Service manual
Service manual
CAUTION
CAUTION
- BEFORE SERVICING THE UNIT, READ THE SAFETY
- BEFORE SERVICING THE UNIT, READ THE SAFETY
- PRECAUTIONS IN THIS MANUAL.
- PRECAUTIONS IN THIS MANUAL.
- ONLY FOR AUTHORIZED SERVICE PERSONNEL.
- ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODELS:
MODELS:
EL-KF20EL-KF20GW/N2Y-A(B) GW/N2Y-A(B) EL-KFR2EL-KFR20GW/N20GW/N2YY-A(B) -A(B) EL-KF26EL-KF26GW/N2Y-A(B) GW/N2Y-A(B) EL-KFR2EL-KFR26GW/N26GW/N2YY-A(B)-A(B) EL-KF36
EL-KF36GW/N2Y-A(B) GW/N2Y-A(B) EL-KFR3EL-KFR36GW/N26GW/N2YY-A(B) -A(B) EL-KF50EL-KF50GW/N2Y-A(B) GW/N2Y-A(B) EL-KFR5EL-KFR50GW/N20GW/N2YY-A(B)-A(B) EL-KF61
EL-KF61GW/N2Y-A(B) GW/N2Y-A(B) EL-KFR6EL-KFR61GW/N21GW/N2YY-A(B) -A(B) EL-KF70EL-KF70GW/N2Y-A(B) GW/N2Y-A(B) EL-KFR7EL-KFR70GW/N20GW/N2YY-A(B)-A(B) EL-KFR2
EL-KFR20GW/N10GW/N1YY-A(B) -A(B) EL-KFR2EL-KFR26GW/N16GW/N1YY-A(B) -A(B) EL-KFR36GW/N1Y-A(B)EL-KFR36GW/N1Y-A(B) EL-KF20
EL-KF20GW/Y-A(B) GW/Y-A(B) EL-KFR2EL-KFR20GW/Y-A(B) 0GW/Y-A(B) EL-KF26EL-KF26GW/Y-A(B) GW/Y-A(B) EL-KFR26EL-KFR26 GW/Y-A(B)GW/Y-A(B) EL-KF32
EL-KF32GW/Y-A(B) GW/Y-A(B) EL-KFR3EL-KFR32GW/Y-A(B) 2GW/Y-A(B) EL-KF36EL-KF36GW/Y-A(B) GW/Y-A(B) EL-KFR36EL-KFR36 GW/Y-A(B)GW/Y-A(B) EL-KF50
EL-KF50GW/Y-A(B) GW/Y-A(B) EL-KFR5EL-KFR50GW/Y-A(B) 0GW/Y-A(B) EL-KF61EL-KF61GW/Y-A(B) GW/Y-A(B) EL-KFR61EL-KFR61 GW/Y-A(B)GW/Y-A(B) EL-KF70
EL-KF70GW/Y-A(B) GW/Y-A(B) EL-KFR7EL-KFR70GW/Y-A(B) 0GW/Y-A(B) EL-KF90EL-KF90GW/Y-A(B) GW/Y-A(B) EL-KFR90EL-KFR90 GW/Y-A(B)GW/Y-A(B) EL-KF90
EL-KF90GW/SY-A(B) GW/SY-A(B) EL-KFR90EL-KFR90GW/SY-A(B) GW/SY-A(B) AU-KF6AU-KF61GW/Y-A(B) 1GW/Y-A(B) AU-KFR61GW/Y-A(B)AU-KFR61GW/Y-A(B) AU-KF7
AU-KF70GW/Y-A(B) 0GW/Y-A(B) AU-KFRAU-KFR70GW/Y-A(B) 70GW/Y-A(B) AU-KF8AU-KF85GW/Y-A(B) 5GW/Y-A(B) AU-KFRAU-KFR85GW/Y-A(B)85GW/Y-A(B) EL1-KF2
EL1-KF20GW/Y-A(B) 0GW/Y-A(B) EL1-KFR2EL1-KFR20GW/Y-A(B) 0GW/Y-A(B) EL1-KF2EL1-KF26GW/Y-A(B) 6GW/Y-A(B) EL1-KFR2EL1-KFR2 6GW/Y-A(B)6GW/Y-A(B) EL1-KF3
EL1-KF3 2GW/Y-A(B) 2GW/Y-A(B) EL1-KFREL1-KFR32GW/Y-A(B) 32GW/Y-A(B) EL1-KFEL1-KF20GW/N220GW/N2YY-A(B) -A(B) EL1-KFR2EL1-KFR2 0GW/N2Y-A(B)0GW/N2Y-A(B) EL1-KF2
EL1-KF26GW/N26GW/N2YY-A(B) -A(B) EL1-KFR2EL1-KFR26GW/N26GW/N2YY-A(B) -A(B) EL1-KF3EL1-KF35GW/N25GW/N2YY-A(B) -A(B) EL1-KFR3EL1-KFR35GW/N25GW/N2YY-A(B)-A(B) EL-KT3F
EL-KT3F53GW/Y-T2 53GW/Y-T2 EL-KT3EL-KT3F53GW/Y-T1 F53GW/Y-T1 EL-KT3FEL-KT3FR53GW/Y-T1R53GW/Y-T1 EL-KT3F
EL-KT3F70GW/Y-T2 70GW/Y-T2 EL-KT3EL-KT3F70GW/Y-T1 F70GW/Y-T1 EL-KT3FEL-KT3FR70GW/Y-T1R70GW/Y-T1 SEL-KF2
SEL-KF20GW/Y-A(B) 0GW/Y-A(B) SEL-KFR2SEL-KFR20GW/Y-A(B) 0GW/Y-A(B) SEL-KF2SEL-KF26GW/Y-A(B) 6GW/Y-A(B) SEL-KFR26GW/Y-A(B)SEL-KFR26GW/Y-A(B) SEL-KF3
SEL-KF32GW/Y-A(B) 2GW/Y-A(B) SEL-KFR3SEL-KFR32GW/Y-A(B) 2GW/Y-A(B) SEL-KF5SEL-KF53GW/Y-A(B) 3GW/Y-A(B) SEL-KFR53GW/Y-A(B)SEL-KFR53GW/Y-A(B) SEL-KF6
SEL-KF61GW/Y-A(B) 1GW/Y-A(B) SEL-KFR6SEL-KFR61GW/Y-A(B) 1GW/Y-A(B) SEL-KF7SEL-KF70GW/Y-A(B) 0GW/Y-A(B) SEL-KFR70GW/Y-A(B)SEL-KFR70GW/Y-A(B) SEL1-KF
CONTENTS
CONTENTS
1. PREFACE 1. PREFACE 1.1 SAFETY PRECAUTIONS...1 1.1 SAFETY PRECAUTIONS...11.2 INSULATION RESISTANCE TEST...1
1.2 INSULATION RESISTANCE TEST...1
1.3 FEATURES...2 1.3 FEATURES...2 1.4 CONTROL LOCATIONS...2 1.4 CONTROL LOCATIONS...2 1.5 OUTSIDE DIMENSIONS...3 1.5 OUTSIDE DIMENSIONS...3 2. INSTALLATION 2. INSTALLATION 2.1 TOOLS NEEDED FOR INSTALLATION...5
2.1 TOOLS NEEDED FOR INSTALLATION...5
2.2 ITEMS REQUIRED FOR INSTALLING THE UNIT...5
2.2 ITEMS REQUIRED FOR INSTALLING THE UNIT...5
2.3 INSTALLATION OF INDOOR UNIT AND OUTDOOR UNIT ...6
2.3 INSTALLATION OF INDOOR UNIT AND OUTDOOR UNIT ...6
2.4 FLARING WORK AND CONNECTION OF PIPING...8
2.4 FLARING WORK AND CONNECTION OF PIPING...8
2.5 CONNECTING THE CABLE 2.5 CONNECTING THE CABLE BETWEEN INDOOR UNIT AND BETWEEN INDOOR UNIT AND OUTDOOR UNIT………OUTDOOR UNIT………...12……...12
2.6 CHECKING THE DRAINAGE AND FORMING THE PIPING ...14
2.6 CHECKING THE DRAINAGE AND FORMING THE PIPING ...14
2.7 AIR PURGING...15
2.7 AIR PURGING...15
2.8 TEST RUNNING ...17
2.8 TEST RUNNING ...17
3. TROUBLE SHOOTING GUIDE 3. TROUBLE SHOOTING GUIDE 3.1 Refrigeration Cycle Diagram...19
3.1 Refrigeration Cycle Diagram...19
3.2 TROUBLE SHOOTING GUIDE 3.2 TROUBLE SHOOTING GUIDE...20...20
4. WIRING DIAGRAM 4. WIRING DIAGRAM 4.1 Wiring diagram for indoor units……...26
4.1 Wiring diagram for indoor units……...26
4.2 Wiring diagram for outdoor units...32
4.2 Wiring diagram for outdoor units...32
5. EXPLODED VIEWS 5. EXPLODED VIEWS………...40…...40
6 SPECIFICATIONS 6 SPECIFICATIONS...40...40
7 SPARE PARTS LIST 7 SPARE PARTS LIST………..………….………..40………..………….………..40
8 MODEL CHECK LIST 8 MODEL CHECK LIST……….40……….40
1. PREFACE
1. PREFACE
This SERVICE MANUAL provides various
This SERVICE MANUAL provides various servicing informationservicing information, including the , including the mechanicamechanical and l and electrical parts,electrical parts, etc. This room air conditioner was manufactured and assembled under a strict quality control system.
etc. This room air conditioner was manufactured and assembled under a strict quality control system. The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit. The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit. 1.1 SAFETY PRECAUTIONS
1.1 SAFETY PRECAUTIONS
1. When servicing the unit, set the POWER SWITCH to OFF and unplug the power cord. 1. When servicing the unit, set the POWER SWITCH to OFF and unplug the power cord. 2. Inspect the service cord for damage or wear.
2. Inspect the service cord for damage or wear.
If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 3. After servicing the unit, make an insulation resistance test to protect the customer from being exposed to 3. After servicing the unit, make an insulation resistance test to protect the customer from being exposed to
shock hazards. shock hazards.
1.2 INSULATION RESISTANCE TEST 1.2 INSULATION RESISTANCE TEST
1. Unplug the power cord and connect a jumper lead between the two (2) live pins. 1. Unplug the power cord and connect a jumper lead between the two (2) live pins. 2. The grounding conductor (yellow/green) is to be open.
2. The grounding conductor (yellow/green) is to be open.
3. Measure the resistance value with an ohm meter between the jumped lead and each exposed metallic part 3. Measure the resistance value with an ohm meter between the jumped lead and each exposed metallic part
on the equipment at all the positions (except OFF) of the ROTARY SWITCH or POWER SWITCH. on the equipment at all the positions (except OFF) of the ROTARY SWITCH or POWER SWITCH. 4. The value should be over 1M
Error self diagnosis function. Error self diagnosis function.
Anti-icing function at cooling mode. Anti-icing function at cooling mode. Anti-cold air function at heating mode. Anti-cold air function at heating mode.
Auto-defrosting and heating recovering function Auto-defrosting and heating recovering function at heating mode.
at heating mode.
Outdoor unit overload current protection. Outdoor unit overload current protection. Temperature protection of the outdoor Temperature protection of the outdoor compressor top.
compressor top.
Restart protection for the compressor. Restart protection for the compressor. 24 hours on/off mode time setting. 24 hours on/off mode time setting.
Protection against over-load or too-low current Protection against over-load or too-low current input through alternating current.
input through alternating current.
1.4 CONTROL LOCATIONS 1.4 CONTROL LOCATIONS For reverse cycle models: For reverse cycle models:
TI TIMEMERR PO POWWERER A AUUTTOO ℃ ℃ DEFR DEFROSTOST
For cooling only models: For cooling only models:
TIM TIMERER PO POWWERER A AUUTOTO
℃
℃
A AUUTTOO COOL COOL DRY DRY FA FANN HIGH HIGH MED MED LOW LOW TEMP TEMP M O M ODDE E OONN/ O/ OFFFF FAFANN S SW IW IN G N G E CE CO NO NO M YO M Y TIME RTIME R RESETRESETLOCKLOCK
R R
CANCEL CANCEL
D I
D IGIGITAL TAL DISDISPPLAYLAY HEAT HEAT POWER POWER AUTO AUTO TIMER TIMER DEFROST DEFROST Remote controller: Remote controller: LCD display LCD display
Mode button: Select the operation mode, AUTO, Mode button: Select the operation mode, AUTO,
COOL, DRY, HEAT (Reverse cycle COOL, DRY, HEAT (Reverse cycle models only) and FAN.
models only) and FAN.
Fan speed button: Select the Fan speed, AUTO, Fan speed button: Select the Fan speed, AUTO,
LOW, MED, HIGH. LOW, MED, HIGH. ON/OFF button: Press this
ON/OFF button: Press this button to operationbutton to operation the unit, again to stop.
the unit, again to stop.
Temperature setting up button: Press this Temperature setting up button: Press this button to increase temperature button to increase temperature setting or adjust the TIMER in a setting or adjust the TIMER in a clockwise direction.
clockwise direction.
Temperature setting down button: Press this Temperature setting down button: Press this
button to decrease temperature button to decrease temperature setting or adjust the TIMER in a setting or adjust the TIMER in a counter-cl
counter-clockwise ockwise direction.direction.
Swing button: Press this button to activate the Swing button: Press this button to activate the
auto swing, again to stop. auto swing, again to stop.
Economy button: Push this button to set the Economy button: Push this button to set the
economical operation mode. economical operation mode. Timer button: Press this button to set
Timer button: Press this button to set TIMERTIMER ON and/or TIMER OFF.
ON and/or TIMER OFF.
Cancel button: Press this button to cancel Cancel button: Press this button to cancel
TIMER ON and TIMER OFF. TIMER ON and TIMER OFF. Lock button: Press this button to lock
Lock button: Press this button to lock all buttonall button except this button.
except this button.
Reset button: Press this button to reset all Reset button: Press this button to reset all
settings to original. settings to original.
Digital display button: Press this button to Digital display button: Press this button to
activate/elimin
activate/eliminate the ate the digitaldigital temperature display on the indoor temperature display on the indoor unit.
1.5 OUTSIDE DIMENSIONS 1.5 OUTSIDE DIMENSIONS 1.5.1 Indoor units:
1.5.1 Indoor units:
A:
A: width width (mm) (mm) B: B: Depth Depth (mm) (mm) C: C: Height Height (mm)(mm) Unit
Unit A(mm) A(mm) B(mm) B(mm) C(mm) C(mm) D(mm)D(mm) Size Size A A 210 210 750 750 250 250 214214 Size Size B B 213 213 815 815 282 282 217217 Size Size C C 228 228 1000 1000 298 298 232232 Size Size D D 240 240 1080 1080 330 330 245245 Size Size E E 230 230 1250 1250 325 325 230230 Model list: Model list:
Size A indoor units: Size A indoor units:
Size B indoor units: Size B indoor units:
Size C indoor units: Size C indoor units:
Size D indoor units: Size D indoor units:
EL-KF61GW/N2Y-A(B) EL-KFR61GW/N2Y-A(B) EL-KF61GW/N2Y-A(B) EL-KFR61GW/N2Y-A(B) EL-KF70GW/N2Y-A(B) EL-KFR70GW/N2Y-A(B) EL-KF70GW/N2Y-A(B) EL-KFR70GW/N2Y-A(B) EL-KF61GW/Y-A(B) EL-KFR61GW/Y-A(B) EL-KF61GW/Y-A(B) EL-KFR61GW/Y-A(B) EL-KF70GW/Y-A(B) EL-KFR70GW/Y-A(B) EL-KF70GW/Y-A(B) EL-KFR70GW/Y-A(B) AU-KF61GW/Y-A(B) AU-KFR61GW/Y-A(B) AU-KF61GW/Y-A(B) AU-KFR61GW/Y-A(B) AU-KF70GW/Y-A(B) AU-KFR70GW/Y-A(B) AU-KF70GW/Y-A(B) AU-KFR70GW/Y-A(B) EL-KT3F70GW/Y-T2 EL-KT3F70GW/Y-T2 EL-KT3F70GW/Y-T1 EL-KT3FR70GW/Y-T1 EL-KT3F70GW/Y-T1 EL-KT3FR70GW/Y-T1 SEL-KF61GW/Y-A(B) SEL-KFR61GW/Y-A(B) SEL-KF61GW/Y-A(B) SEL-KFR61GW/Y-A(B) SEL-KF70GW/Y-A(B) SEL-KFR70GW/Y-A(B) SEL-KF70GW/Y-A(B) SEL-KFR70GW/Y-A(B)
Size E indoor units: Size E indoor units:
1.5.2 Installation plate 1.5.2 Installation plate For Size A indoor unit: For Size A indoor unit:
750 750 4 4 5 5 2 2 5 5 0 0 Right refrigerant Right refrigerant pipe hole D65 pipe hole D65 Installation
Installation platplatee Indoor unit outline
Indoor unit outline
Left refrigerant Left refrigerant pipe hole D65 pipe hole D65
150m
150mm or m or more to ceilingmore to ceiling
120mm or more 120mm or more to wall to wall 120mm 120mm or moreor more to wall to wall
For Size B indoor unit: For Size B indoor unit:
Indoor unit outline Indoor unit outline
120mm or more 120mm or more to wall
to wall 120mm or more120mm or more to wall to wall
Left refrigerant Left refrigerant pipe hole D65
pipe hole D65 Right refrigerantRight refrigerant pipe hole D65 pipe hole D65 Installation plate Installation plate 2 2 8 8 0 0 815 815 150mm or more to ceiling 150mm or more to ceiling 5 5 0 0 50 50
For Size C indoor unit: For Size C indoor unit:
5 5 0 0 1000 1000 49 49 90 90 55 55 5 5 0 0 Righ
Right pipt pipee
hole D hole D6565 120mm or more 120mm or more to the wall to the wall
Indoor unit outline
Indoor unit outline
Installation plate
Installation plate
150mm or more to the ceiling
150mm or more to the ceiling
Left pipe Left pipe hole D65 hole D65 120mm or more 120mm or more to the wall to the wall EL-KF20GW/N2Y-A(B) EL-KFR20GW/N2Y-A(B) EL-KF20GW/N2Y-A(B) EL-KFR20GW/N2Y-A(B) EL-KF26GW/N2Y-A(B) EL-KFR26GW/N2Y-A(B) EL-KF26GW/N2Y-A(B) EL-KFR26GW/N2Y-A(B) EL-KFR20GW/N1Y-A(B) EL-KFR26GW/N1Y-A(B) EL-KFR20GW/N1Y-A(B) EL-KFR26GW/N1Y-A(B) EL-KF20GW/Y-A(B) EL-KFR20GW/Y-A(B) EL-KF20GW/Y-A(B) EL-KFR20GW/Y-A(B) EL-KF26GW/Y-A(B) EL-KFR26GW/Y-A(B) EL-KF26GW/Y-A(B) EL-KFR26GW/Y-A(B) EL-KF32GW/Y-A(B) EL-KFR32GW/Y-A(B) EL-KF32GW/Y-A(B) EL-KFR32GW/Y-A(B) EL1-KF20GW/Y-A(B) EL1-KFR20GW/Y-A(B) EL1-KF20GW/Y-A(B) EL1-KFR20GW/Y-A(B) EL1-KF26GW/Y-A(B) EL1-KFR26GW/Y-A(B) EL1-KF26GW/Y-A(B) EL1-KFR26GW/Y-A(B) EL1-KF32GW/Y-A(B) EL1-KFR32GW/Y-A(B) EL1-KF32GW/Y-A(B) EL1-KFR32GW/Y-A(B) EL1-KF20GW/N2Y-A(B) EL1-KFR20GW/N2Y-A(B) EL1-KF20GW/N2Y-A(B) EL1-KFR20GW/N2Y-A(B) EL1-KF26GW/N2Y-A(B) EL1-KFR26GW/N2Y-A(B) EL1-KF26GW/N2Y-A(B) EL1-KFR26GW/N2Y-A(B) SEL-KF20GW/Y-A(B) SEL-KFR20GW/Y-A(B) SEL-KF20GW/Y-A(B) SEL-KFR20GW/Y-A(B) SEL-KF26GW/Y-A(B) SEL-KFR26GW/Y-A(B) SEL-KF26GW/Y-A(B) SEL-KFR26GW/Y-A(B) SEL-KF32GW/Y-A(B) SEL-KFR32GW/Y-A(B) SEL-KF32GW/Y-A(B) SEL-KFR32GW/Y-A(B) SEL1-KF26GW/Y-A(B) SEL1-KFR26GW/Y-A(B) SEL1-KF26GW/Y-A(B) SEL1-KFR26GW/Y-A(B) EL-KF36GW/N2Y-A(B) EL-KFR36GW/N2Y-A(B) EL-KF36GW/N2Y-A(B) EL-KFR36GW/N2Y-A(B) EL-KFR36GW/N1Y-A(B) EL-KFR36GW/N1Y-A(B) EL-KF36GW/Y-A(B) EL-KFR36GW/Y-A(B) EL-KF36GW/Y-A(B) EL-KFR36GW/Y-A(B) EL1-KF35GW/N2Y-A(B) EL1-KFR35GW/N2Y-A(B) EL1-KF35GW/N2Y-A(B) EL1-KFR35GW/N2Y-A(B) SEL1-KF36GW/Y-A(B) SEL1-KFR36GW/Y-A(B) SEL1-KF36GW/Y-A(B) SEL1-KFR36GW/Y-A(B) EL-KF50GW/N2Y-A(B) EL-KFR50GW/N2Y-A(B) EL-KF50GW/N2Y-A(B) EL-KFR50GW/N2Y-A(B) EL-KF50GW/Y-A(B) EL-KFR50GW/Y-A(B) EL-KF50GW/Y-A(B) EL-KFR50GW/Y-A(B) EL-KT3F53GW/Y-T2 EL-KT3F53GW/Y-T2 EL-KT3F53GW/Y-T1 EL-KT3FR53GW/Y-T1 EL-KT3F53GW/Y-T1 EL-KT3FR53GW/Y-T1 SEL-KF53GW/Y-A(B) SEL-KFR53GW/Y-A(B) SEL-KF53GW/Y-A(B) SEL-KFR53GW/Y-A(B) EL-KF90GW/Y-A(B) EL-KFR90GW/Y-A(B) EL-KF90GW/Y-A(B) EL-KFR90GW/Y-A(B) EL-KF90GW/SY-A(B) EL-KFR90GW/SY-A(B) EL-KF90GW/SY-A(B) EL-KFR90GW/SY-A(B) AU-KF85GW/Y-A(B) AU-KFR85GW/Y-A(B) AU-KF85GW/Y-A(B) AU-KFR85GW/Y-A(B)
For Size D indoor unit: For Size D indoor unit:
150 or more to the ceiling
150 or more to the ceiling
Hooked Part
Hooked Part
Indoor Unit Outline
Indoor Unit Outline
Hooked Part Hooked Part Left Pipe Left Pipe hole D95 hole D95 120mm or more to 120mm or more to the wall the wall 432 432 5 5 8 8 465 465 465465 115 115 5 5 0 0 Right pipe Right pipe hole D95 hole D95 5 5 8 8 5 5 0 0 1 11515 Hooked Part Hooked Part 432 432 1080 1080 120mm or more to 120mm or more to the wall the wall 108 108 2 2 2 2
For Size E indoor unit: For Size E indoor unit:
150mm or more to the ceiling
150mm or more to the ceiling
1250 1250 815 815 257257 178 178 Hooked Part
Hooked Part Hooker PartHooker Part
120mm or more 120mm or more to the wall to the wall 120mm or more 120mm or more to the wall to the wall 3 3 2 2 5 5 5 5 5 5 55 55 5 5 5 5 58 58 Left pipe Left pipe hole D95
hole D95 RighRight pit pipepehole D95hole D95
In
Indoor unit outlinedoor unit outline
1.5.3 Outdoor units: 1.5.3 Outdoor units:
A:
A: Depth Depth (mm) (mm) B: B: Width Width (mm) (mm) C: C: Height Height (mm)(mm)
Unit
Unit Size Size F F Size Size G G Size Size H H Size Size I I Size Size JJ A(mm) A(mm) 235 235 250 250 285 285 335 335 330330 B(mm) B(mm) 700 700 780 780 760 760 845 845 895895 C(mm) C(mm) 535 535 540 540 590 590 695 695 860860 D(mm) D(mm) 275 275 298 298 315 315 360 360 355355 E(mm) E(mm) 120 120 114.5 114.5 110 110 140 140 141.3141.3 F(mm) F(mm) 458 458 549 549 530 530 560 560 589.6589.6
Size F outdoor units: Size F outdoor units:
EL-KF20GW/N2Y-A(B) EL-KFR20GW/N2Y-A(B) EL-KF20GW/N2Y-A(B) EL-KFR20GW/N2Y-A(B) EL-KF26GW/N2Y-A(B) EL-KFR26GW/N2Y-A(B) EL-KF26GW/N2Y-A(B) EL-KFR26GW/N2Y-A(B) EL-KFR20GW/N1Y-A(B) EL-KFR20GW/N1Y-A(B) EL-KF20GW/Y-A(B) EL-KFR20GW/Y-A(B) EL-KF20GW/Y-A(B) EL-KFR20GW/Y-A(B) EL-KF26GW/Y-A(B) EL-KFR26GW/Y-A(B) EL-KF26GW/Y-A(B) EL-KFR26GW/Y-A(B) EL1-KF20GW/Y-A(B) EL1-KFR20GW/Y-A(B) EL1-KF20GW/Y-A(B) EL1-KFR20GW/Y-A(B) EL1-KF26GW/Y-A(B) EL1-KFR26GW/Y-A(B) EL1-KF26GW/Y-A(B) EL1-KFR26GW/Y-A(B) EL1-KF20GW/N2Y-A(B) EL1-KFR20GW/N2Y-A(B) EL1-KF20GW/N2Y-A(B) EL1-KFR20GW/N2Y-A(B) EL1-KF26GW/N2Y-A(B) EL1-KFR26GW/N2Y-A(B) EL1-KF26GW/N2Y-A(B) EL1-KFR26GW/N2Y-A(B) SEL-KF20GW/Y-A(B) SEL-KFR20GW/Y-A(B) SEL-KF20GW/Y-A(B) SEL-KFR20GW/Y-A(B) SEL-KF26GW/Y-A(B) SEL-KFR26GW/Y-A(B) SEL-KF26GW/Y-A(B) SEL-KFR26GW/Y-A(B)
Size G outdoor units: Size G outdoor units:
EL-KFR26GW/N1Y-A(B) EL-KFR36GW/N1Y-A(B) EL-KFR26GW/N1Y-A(B) EL-KFR36GW/N1Y-A(B) EL-KF32GW/Y-A(B) EL-KFR32GW/Y-A(B) EL-KF32GW/Y-A(B) EL-KFR32GW/Y-A(B) EL-KF36GW/Y-A(B) EL-KFR36GW/Y-A(B) EL-KF36GW/Y-A(B) EL-KFR36GW/Y-A(B) EL1-KF32GW/Y-A(B) EL1-KFR32GW/Y-A(B) EL1-KF32GW/Y-A(B) EL1-KFR32GW/Y-A(B) EL1-KF35GW/N2Y-A(B) EL1-KFR35GW/N2Y-A(B) EL1-KF35GW/N2Y-A(B) EL1-KFR35GW/N2Y-A(B) SEL-KF32GW/Y-A(B) SEL-KFR32GW/Y-A(B) SEL-KF32GW/Y-A(B) SEL-KFR32GW/Y-A(B) SEL1-KF26GW/Y-A(B) SEL1-KFR26GW/Y-A(B) SEL1-KF26GW/Y-A(B) SEL1-KFR26GW/Y-A(B)
Size H outdoor units: Size H outdoor units:
EL-KF36GW/N2Y-A(B) EL-KFR36GW/N2Y-A(B) EL-KF36GW/N2Y-A(B) EL-KFR36GW/N2Y-A(B) SEL1-KF36GW/Y-A(B) SEL1-KFR36GW/Y-A(B) SEL1-KF36GW/Y-A(B) SEL1-KFR36GW/Y-A(B)
Size I outdoor units: Size I outdoor units:
EL-KF50GW/N2Y-A(B) EL-KFR50GW/N2Y-A(B) EL-KF50GW/N2Y-A(B) EL-KFR50GW/N2Y-A(B) EL-KF61GW/N2Y-A(B) EL-KFR61GW/N2Y-A(B) EL-KF61GW/N2Y-A(B) EL-KFR61GW/N2Y-A(B) EL-KF70GW/N2Y-A(B) EL-KFR70GW/N2Y-A(B) EL-KF70GW/N2Y-A(B) EL-KFR70GW/N2Y-A(B) EL-KF50GW/Y-A(B) EL-KFR50GW/Y-A(B) EL-KF50GW/Y-A(B) EL-KFR50GW/Y-A(B) EL-KF61GW/Y-A(B) EL-KFR61GW/Y-A(B) EL-KF61GW/Y-A(B) EL-KFR61GW/Y-A(B) EL-KF70GW/Y-A(B) EL-KFR70GW/Y-A(B) EL-KF70GW/Y-A(B) EL-KFR70GW/Y-A(B) AU-KF61GW/Y-A(B) AU-KFR61GW/Y-A(B) AU-KF61GW/Y-A(B) AU-KFR61GW/Y-A(B) AU-KF70GW/Y-A(B) AU-KFR70GW/Y-A(B) AU-KF70GW/Y-A(B) AU-KFR70GW/Y-A(B) EL-KT3F53GW/Y-T2 EL-KT3F53GW/Y-T2 EL-KT3F53GW/Y-T1 EL-KT3FR53GW/Y-T1 EL-KT3F53GW/Y-T1 EL-KT3FR53GW/Y-T1 EL-KT3F70GW/Y-T1 EL-KT3FR70GW/Y-T1 EL-KT3F70GW/Y-T1 EL-KT3FR70GW/Y-T1 SEL-KF53GW/Y-A(B) SEL-KFR53GW/Y-A(B) SEL-KF53GW/Y-A(B) SEL-KFR53GW/Y-A(B) SEL-KF61GW/Y-A(B) SEL-KFR61GW/Y-A(B) SEL-KF61GW/Y-A(B) SEL-KFR61GW/Y-A(B) SEL-KF70GW/Y-A(B) SEL-KFR70GW/Y-A(B) SEL-KF70GW/Y-A(B) SEL-KFR70GW/Y-A(B)
Size J outdoor units: Size J outdoor units:
EL-KF90GW/Y-A(B) EL-KFR90GW/Y-A(B) EL-KF90GW/Y-A(B) EL-KFR90GW/Y-A(B) EL-KF90GW/SY-A(B) EL-KFR90GW/SY-A(B) EL-KF90GW/SY-A(B) EL-KFR90GW/SY-A(B) AU-KF85GW/Y-A(B) AU-KFR85GW/Y-A(B) AU-KF85GW/Y-A(B) AU-KFR85GW/Y-A(B) EL-KT3F70GW/Y-T2 EL-KT3F70GW/Y-T2
2 INSTALLATION
2 INSTALLATION
2.1 TOOLS NEEDED FOR
2.1 TOOLS NEEDED FOR INSTALLATIONINSTALLATION Level gauge Level gauge Screwdriver Screwdriver Electric drill Electric drill Hole core drill (
Hole core drill ( φφ85mm or85mm or φφ115mm depending115mm depending
on Model) on Model) Flaring tool set Flaring tool set
Specified torque wrenches: 1.8kgm, 4.2kgm, Specified torque wrenches: 1.8kgm, 4.2kgm,
5.5kgm, 6.6kgm (Vary depending on model 5.5kgm, 6.6kgm (Vary depending on model No.)
No.)
Spanner (half union) Spanner (half union) A glass of water A glass of water Hexagonal wrench (4mm) Hexagonal wrench (4mm) Gas-leak detector Gas-leak detector Vacuum pump Vacuum pump Gauge manifold Gauge manifold User’s manual User’s manual Thermometer Thermometer
2.2 ITEMS REQUIRED FOR INSTALLING THE 2.2 ITEMS REQUIRED FOR INSTALLING THE
UNIT UNIT No
No.. NaName me of of AcAccecessssororieies s QuQuanantitityty 1
1 Installation Installation Plate Plate 11 2
2 Self-tappiSelf-tapping ng Screw Screw ST3.9x25ST3.9x25 (Type “A”)
(Type “A”)
8 8 3
3 Plastic Plastic Expansion Expansion Sheath Sheath 88 4
4 Drain Drain Joint Joint 11
5
5 Wrapping Wrapping TapeTape 6
6 Connection Connection Pipe Pipe AssemblyAssembly (Detail in below table) (Detail in below table) 7
7 Connecting Connecting CableCable 8
8 Additional Additional Drain Drain Pipe Pipe (Outer(Outer Diameter15.5mm)
Diameter15.5mm) 9
9 Insulation Insulation MaterialsMaterials 1 100 CCaabblle e TTiie e ((55~~1100)) Parts Parts purchased purchased separately separately 11
11 ReRemomote te CoContntrorol l HoHoldldeer r 11 12
12 SeSelflf-t-tapappiping ng ScScrerew w STST2.2.9x9x1010 (Type “B”) (Type “B”) 2 2 1 133 RReemmootte e CCoonnttrrool l 11 Note: Excluding the parts that are provided with Note: Excluding the parts that are provided with the unit detailed above all other parts must be the unit detailed above all other parts must be purchased separately.
purchased separately.
Connection Pipe Assembly Connection Pipe Assembly model
model Liquid Liquid side side pipe pipe Gas Gas side side pipepipe 7,000Btu/h 7,000Btu/h 9,000Btu/h 9,000Btu/h 6.35mm 6.35mm 1/4” 1/4” 9.53mm 9.53mm 3/8” 3/8” 12,000Btu/h 12,000Btu/h 18,000Btu/h 18,000Btu/h 6.35mm 6.35mm 1/4” 1/4” 12.7mm 12.7mm 1/2” 1/2” 21,000Btu/h 21,000Btu/h 24,000Btu/h 24,000Btu/h 30,000Btu/h 30,000Btu/h 9.53mm 9.53mm 3/8” 3/8” 16mm 16mm 5/8” 5/8”
For pipes used on R410A system, the For pipes used on R410A system, the wall thickness of the pipes should be wall thickness of the pipes should be no less than 0.7mm. Otherwise, the no less than 0.7mm. Otherwise, the pipes may be broken when using. pipes may be broken when using.
Typical installation
Typical installation
CAUTIONS:
CAUTIONS:
1.
1. Ensure Ensure that that the the space space around around the the left andleft and right of the indoor unit is more than 12cm. right of the indoor unit is more than 12cm. 2.
2. The The indoor indoor unit unit should should be be installed allowing installed allowing aa minimum clearance of 15cm from the ceiling. minimum clearance of 15cm from the ceiling. 3.
3. Use a Use a stud finstud finder to der to locate locate studs to studs to preventprevent unnecessary damage to the wall.
unnecessary damage to the wall. 4.
4. For For optimum optimum performance performance the the Indoor Indoor UnitUnit should be installed on the wall in areas where should be installed on the wall in areas where the height from the floor to the ceiling is not the height from the floor to the ceiling is not more than 2.3 meters.
more than 2.3 meters. 5.
5. A A minimum pipe minimum pipe run run of 3 of 3 meters is meters is required torequired to minimize vibration & excessive noise.
minimize vibration & excessive noise.
6.
6. The inThe indoor door unit shounit should be uld be installed installed on the on the wallwall at a height of 1.7 meters or more from the at a height of 1.7 meters or more from the floor but less than 2.3 meters from the floor. floor but less than 2.3 meters from the floor. 7.
7. Directions Directions A, B A, B and C and C should should be frebe free frome from obstructions.
obstructions.
2.3 INSTALLATION OF INDOOR UNIT AND 2.3 INSTALLATION OF INDOOR UNIT AND
OUTDOOR OUTDOOR 2.3.1 Indoor unit 2.3.1 Indoor unit
●
● Do not expose the indoor unit to heat orDo not expose the indoor unit to heat or
steam. steam.
●
● Select a place where there are no obstacles inSelect a place where there are no obstacles in
front or around the unit. front or around the unit.
●
● Make sure that condensation drainage can beMake sure that condensation drainage can be
conveniently routed away. conveniently routed away.
●
● Do not install near a doorway.Do not install near a doorway. ●
● Ensure that the space on the left Ensure that the space on the left and right ofand right of the unit is more than 12cm.
the unit is more than 12cm.
●
● Use a stud finder to Use a stud finder to locate studs to preventlocate studs to prevent unnecessary damage to the wall.
unnecessary damage to the wall.
●
● For optimum performance the indoor unitFor optimum performance the indoor unit should be installed on the wall in areas where the should be installed on the wall in areas where the height from the floor to the ceiling is not more than height from the floor to the ceiling is not more than 2.3 meters.
2.3 meters.
●
● A minimum pipe run of 3 meters is required toA minimum pipe run of 3 meters is required to minimize vibration & excessive noise.
minimize vibration & excessive noise.
●
● The indoor unit should be installed on the wallThe indoor unit should be installed on the wall
at a height of 1.7 meters or more from the floor but at a height of 1.7 meters or more from the floor but less than 2.3 meters from the floor.
less than 2.3 meters from the floor.
●
● The indoor unit should be installed allowing aThe indoor unit should be installed allowing a
minimum clearance of 15cm from the ceiling. minimum clearance of 15cm from the ceiling.
●
● Any variations in pipe Any variations in pipe length will/may requirelength will/may require
adjustment to refrigerant charge (Refer to item adjustment to refrigerant charge (Refer to item 2.3.3). 2.3.3). More t More thhan 1.7man 1.7m Less than Less than2.3m2.3m M Mooreretthhaan n 1155cmcm Mor
More te than 12cmhan 12cm
More t
More than han 12cm12cm
2.3.2 Outdoor unit 2.3.2 Outdoor unit
●
● If an awning is If an awning is built over the outdoor unit tobuilt over the outdoor unit to
prevent direct sunlight or rain exposure, make prevent direct sunlight or rain exposure, make sure that heat radiation from the condenser is not sure that heat radiation from the condenser is not restricted.
●
● Ensure that the clearance around the back ofEnsure that the clearance around the back of
the unit is more than 20cm and left side is more the unit is more than 20cm and left side is more than 10cm.
than 10cm.
●
● The front of the unit should have more thanThe front of the unit should have more than
100cm of clearance and the connection side (right 100cm of clearance and the connection side (right side) should have more than 60cm of clearance. side) should have more than 60cm of clearance.
●
● Do not place animals and plants in the path ofDo not place animals and plants in the path of the air inlet or outlet.
the air inlet or outlet.
●
● Take the air conditioner weight into accountTake the air conditioner weight into account
and select a place where noise and vibration will and select a place where noise and vibration will not be an issue.
not be an issue.
●
● Select a place so that the warm air and noiseSelect a place so that the warm air and noise
from the air conditioner do not disturb neighbors. from the air conditioner do not disturb neighbors.
Mo
More tre thanhan2020ccmm
Mor
More the thanan60cm60cm
M
Moreorethanthan1010ccmm
M
Moorre te thahann10100cm0cm
Rooftop installation: Rooftop installation:
●
● If the outdoor unit is installed on a roofIf the outdoor unit is installed on a roof structure, be sure to level the unit.
structure, be sure to level the unit.
●
● Ensure the roof structure and anchoringEnsure the roof structure and anchoring
method are adequate for the unit location. method are adequate for the unit location.
●
● Consult local codes regarding to rooftopConsult local codes regarding to rooftop mounting.
mounting.
●
● If the outdoor unit is If the outdoor unit is installed on roofinstalled on roof
structures or external walls, this may result in structures or external walls, this may result in excessive noise and vibration, and may also be excessive noise and vibration, and may also be classed as a
classed as a non serviceable installation.non serviceable installation. 2.3.3 Piping length and elevation
2.3.3 Piping length and elevation
GAS GAS 3/8”3/8” 9.53mm 9.53mm 1/2” 1/2” 12.7mm 12.7mm 5/8” 5/8” 16.0mm 16.0mm Piping Piping LIQUID LIQUID 1/4”1/4” 6.35mm 6.35mm 1/4” 1/4” 6.35mm 6.35mm 3/8” 3/8” 9.53mm 9.53mm Standard
Standard Length(m) Length(m) 5 5 5 5 55 M
Maaxx. . EElleevvaattiioon n B B ((mm)) 5 5 5 5 55 Max.
Max. Length Length A A (m) (m) 10 10 10 10 1010 Additional Additional Refrigeran Refrigerant t (g/m)(g/m) 30 30 30 30 6565
Cautions:
Cautions:
●● Capacity is based on standard length andCapacity is based on standard length and
maximum allowance length is on the basis of maximum allowance length is on the basis of reliability.
reliability.
●
● Oil trap should be installed every 5~7 meters.Oil trap should be installed every 5~7 meters.
●
● When the connecting pipe is longer than 5When the connecting pipe is longer than 5
meters, Additional refrigerant should be added meters, Additional refrigerant should be added into the unit according to the above table through into the unit according to the above table through the service port on the “LO” valve on outdoor unit. the service port on the “LO” valve on outdoor unit. 2.3.4 Fitting the
2.3.4 Fitting the installation plateinstallation plate
Fit the Installation Plate and drill holes in
Fit the Installation Plate and drill holes in the wallthe wall according to the wall structure and corresponding according to the wall structure and corresponding mounting points on the installation plate.
mounting points on the installation plate. 1. Fit the
1. Fit the installation plate horizoninstallation plate horizontally ontally on structural parts of the wall with
structural parts of the wall with spaces around thespaces around the installation plate (Detailed on page 3 as
installation plate (Detailed on page 3 as applicable).
applicable). 2. If the wall is
2. If the wall is made of brick, concrete or the like,made of brick, concrete or the like, drill eight (8) 5mm diameter holes in the wall. drill eight (8) 5mm diameter holes in the wall. Insert Plastic
Insert Plastic Expansion Sheath for appropriateExpansion Sheath for appropriate mounting screws.
mounting screws. 3. Fit the
3. Fit the installation plate on the wall with eight (8)installation plate on the wall with eight (8) type “A” screws.
type “A” screws.
2.3.5 Drill a hole in the wall 2.3.5 Drill a hole in the wall
1. Determine hole positions according to the 1. Determine hole positions according to the diagram detailed on page 3 as applicable. Drill diagram detailed on page 3 as applicable. Drill one (1) hole (
one (1) hole (φφ85mm for those models need85mm for those models need φ
φ65mm pipe hole or65mm pipe hole or φφ115mm for models need115mm for models need
φ
side. side.
2. Always use wall hole 2. Always use wall hole conduit when drilling conduit when drilling metal grid, metal plate metal grid, metal plate or the like.
or the like.
2.4 FLARING WORK AND CONNECTION OF 2.4 FLARING WORK AND CONNECTION OF
PIPING PIPING
The main cause for gas leakage is due to defects The main cause for gas leakage is due to defects in flaring work. Carry out correct flaring work using in flaring work. Carry out correct flaring work using the following procedure.
the following procedure. 2.4.1 Flaring work 2.4.1 Flaring work
2.4.1.1 Cut the pipes and the
2.4.1.1 Cut the pipes and the cable.cable.
●
● Use the piping kit accessory (if Use the piping kit accessory (if applicable) orapplicable) or
the pipes purchased locally. the pipes purchased locally.
●
● Measure the distance between the indoor andMeasure the distance between the indoor and
the outdoor unit. the outdoor unit.
●
● Cut the pipes a little longer than measuredCut the pipes a little longer than measured
distance. distance.
●
● Cut the cable 1.5m longer than the pipeCut the cable 1.5m longer than the pipe
length. length.
2.4.1.2 Burrs removal 2.4.1.2 Burrs removal
●
● Completely remove all burrs from the cut crossCompletely remove all burrs from the cut cross
section of
section of pipe/tube.pipe/tube.
●
● Place the end of the copper tube/pipe in aPlace the end of the copper tube/pipe in a
downward direction as you remove burrs in order downward direction as you remove burrs in order to avoid dropping burrs into the tubing.
to avoid dropping burrs into the tubing.
2.4.1.3 Putting flare nut on 2.4.1.3 Putting flare nut on
●
● Remove flare nuts attached to indoor andRemove flare nuts attached to indoor and
outdoor unit, then put them on pipe/tube having outdoor unit, then put them on pipe/tube having completed burr removal.
completed burr removal. (Note: It is not
(Note: It is not possible to put them on after flaringpossible to put them on after flaring work.)
work.)
2.4.1.4 Flaring work 2.4.1.4 Flaring work
●
● Carry out flaring work using flaring tool asCarry out flaring work using flaring tool as shown below. shown below. “ “
A” (mm)
A” (mm)
Out diameter
Out diameter
Max.
Min.
Max.
Min.
1/4”
1/4” (6.35mm)
(6.35mm)
1.3
1.3
0.7
0.7
3/8”
3/8” (9.53mm)
(9.53mm)
1.6
1.6
1.0
1.0
1/2”
1/2” (12.7mm)
(12.7mm)
1.8
1.8
1.0
1.0
5/8”
5/8” (16.0mm)
(16.0mm)
2.4
2.4
1.8
1.8
Hold copper pipe firmly in a die according to the Hold copper pipe firmly in a die according to the dimension shown in the table above.
dimension shown in the table above. 2.4.1.5 Check
2.4.1.5 Check
●
● Compare the flared work with the adjacentCompare the flared work with the adjacent diagram.
diagram.
●
● If flare is found to be defective, cut off theIf flare is found to be defective, cut off the flared section and do flaring work again. flared section and do flaring work again.
2.4.2 Connection of pipes - Indoor 2.4.2 Connection of pipes - Indoor
●
● Prepare the indoor unit’s piping and drain hosePrepare the indoor unit’s piping and drain hose for installation through the wall.
for installation through the wall.
●
● Remove the tubing retainer (see illustrationRemove the tubing retainer (see illustration
right) and pull the tubing and drain hose away right) and pull the tubing and drain hose away from chassis (If required). For some models this is from chassis (If required). For some models this is not needed.
not needed.
Replace the tubing retainer in its
Replace the tubing retainer in its original position.original position.
CAUTION CAUTION
When installing the indoor unit, be sure to remove When installing the indoor unit, be sure to remove the relevant sections where required (see
adjacent diagram for example). This will allow adjacent diagram for example). This will allow piping and cable routing to be completed without piping and cable routing to be completed without damaging the unit.
damaging the unit.
2.4.2.1 For rear right piping 2.4.2.1 For rear right piping
Note: When viewed from the front of the indoor Note: When viewed from the front of the indoor unit.
unit.
2.4.2.1.1 Route the indoor tubing and the drain 2.4.2.1.1 Route the indoor tubing and the drain hose in the direction of rear right.
hose in the direction of rear right.
2.4.2.1.2 Insert the connecting cable into 2.4.2.1.2 Insert the connecting cable into thethe indoor unit from the outdoor unit through the indoor unit from the outdoor unit through the piping hole.
piping hole.
●
● Do not connect the cable to the indoor unit.Do not connect the cable to the indoor unit.
●
● Make a small loop with the Make a small loop with the cable for easycable for easy
connection later. connection later.
2.4.2.1.3 Tape the tubing, drain hose and the 2.4.2.1.3 Tape the tubing, drain hose and the connecting cable. Be sure that the drain hose is connecting cable. Be sure that the drain hose is located at the lowest side of
located at the lowest side of the bundle. Locatingthe bundle. Locating at the upper side can cause drain pan to overflow at the upper side can cause drain pan to overflow inside the unit.
inside the unit.
Note: If the drain hose is routed inside the room, Note: If the drain hose is routed inside the room, insulate the hose with an insulation material so insulate the hose with an insulation material so that dripping from
that dripping from "sweating" (condensatio"sweating" (condensation) willn) will not damage furniture or floors.
not damage furniture or floors.
*Foamed polyethylene or equivalent is *Foamed polyethylene or equivalent is recommended.
recommended.
2.4.2.1.4 Insert the piping, drain hose and the 2.4.2.1.4 Insert the piping, drain hose and the connecting cable into the piping hole.
connecting cable into the piping hole.
2.4.2.1.5 Set the piping and the drain hose to the 2.4.2.1.5 Set the piping and the drain hose to the back of the c
back of the chassis with the tubing holder.hassis with the tubing holder.
●
● Set the tubing retainer into position and tightenSet the tubing retainer into position and tighten
screw. screw.
2.4.2.1.6 Locating the indoor unit 2.4.2.1.6 Locating the indoor unit
●
● Hook the indoor unit onto the upper portion ofHook the indoor unit onto the upper portion of
the installation plate (Engage the hooks of the the installation plate (Engage the hooks of the installation plate into the openings at the rear installation plate into the openings at the rear top of the indoor unit). Ensure that the hooks are top of the indoor unit). Ensure that the hooks are properly seated on the installation plate by moving properly seated on the installation plate by moving the indoor unit left and right.
the indoor unit left and right.
●
● Press the lower left and right sides Press the lower left and right sides of the unitof the unit against the installation plate until
against the installation plate until the hooksthe hooks engage into their slots
engage into their slots (clicking sound).(clicking sound).
2.4.2.1.7 Connecting the piping to the indoor unit 2.4.2.1.7 Connecting the piping to the indoor unit and the drain hose to drain pipe.
and the drain hose to drain pipe.
●
● Align the centre of the piping and sufficientlyAlign the centre of the piping and sufficiently tighten the flare nut by hand.
tighten the flare nut by hand.
●
● Tighten the flare nut with a wrench, inTighten the flare nut with a wrench, in
accordance with the following table. accordance with the following table.
Outside Outside Diameter Diameter Tightening Tightening Torque Torque (Kg.m) (Kg.m) Additional Additional Tightening Tightening Torque (Kg.m) Torque (Kg.m) 1 1//44” ” ((66..3355mmmm)) 11..6 6 22..00 3 3//88” ” ((99..5533mmmm)) 33..0 0 33..55 1 1//22” ” ((1122..77mmmm)) 55..0 0 55..55 5 5//88” ” ((1166..00mmmm)) 77..5 5 88..55 ●
● When extending the drain hose of the indoorWhen extending the drain hose of the indoor
unit, install the drain pipe extension as shown in unit, install the drain pipe extension as shown in
adjacent diagram. adjacent diagram.
2.4.2.1.8 Wrap the insulation material around the 2.4.2.1.8 Wrap the insulation material around the connecting portion.
connecting portion.
●
● Overlap the connection pipe heat insulationOverlap the connection pipe heat insulation
and the indoor unit pipe heat insulation material. and the indoor unit pipe heat insulation material. Bind them together with vinyl tape so t
Bind them together with vinyl tape so that there ishat there is no gap.
no gap.
●
● Wrap the area which accommodates the rearWrap the area which accommodates the rear
piping housing section with vinyl tape. piping housing section with vinyl tape.
●
● Bundle the piping and drain hose together byBundle the piping and drain hose together by
wrapping them with vinyl tape over the range wrapping them with vinyl tape over the range within which they fit into the rear piping housing within which they fit into the rear piping housing section.
section.
2.4.2.2 For rear left piping 2.4.2.2 For rear left piping
Note: When viewed from the front of the indoor Note: When viewed from the front of the indoor unit.
unit.
2.4.2.2.1 Route the indoor tubing and the drain 2.4.2.2.1 Route the indoor tubing and the drain hose to the required piping hole position in the hose to the required piping hole position in the direction of left.
direction of left.
2.4.2.2.2 Insert the connecting cable into 2.4.2.2.2 Insert the connecting cable into thethe
indoor unit from the outdoor unit through the indoor unit from the outdoor unit through the piping hole.
piping hole.
●
● Do not connect the cable to the indoor unit.Do not connect the cable to the indoor unit.
●
● Make a small loop with the Make a small loop with the cable for easycable for easy
connection later. connection later.
2.4.2.2.3 Tape the drain hose and the connecting 2.4.2.2.3 Tape the drain hose and the connecting cable. Be sure that the drain hose is
cable. Be sure that the drain hose is located at thelocated at the lowest side of the bundle. Locating at the upper lowest side of the bundle. Locating at the upper side
side can can cause cause drain drain pan pan to oto overflow verflow inside inside thethe unit.
unit.
Note: If the drain hose is routed inside the room, Note: If the drain hose is routed inside the room, insulate the hose with an insulation material so insulate the hose with an insulation material so that dripping from
that dripping from "sweating" (condensatio"sweating" (condensation) willn) will not damage furniture or floors.
not damage furniture or floors.
*Foamed polyethylene or equivalent is *Foamed polyethylene or equivalent is recommended.
recommended.
2.4.2.2.4 Insert the piping, drain hose and the 2.4.2.2.4 Insert the piping, drain hose and the connecting cable into the piping hole.
connecting cable into the piping hole.
2.4.2.2.5 Indoor unit installation 2.4.2.2.5 Indoor unit installation
●
● Hang the indoor unit from the hooks at the topHang the indoor unit from the hooks at the top
of the
of the installation plate.installation plate.
●
● Insert a spacer between the indoor unit andInsert a spacer between the indoor unit and
the installation plate to separate the bottom of the the installation plate to separate the bottom of the indoor unit from the wall.
indoor unit from the wall.
2.4.2.2.6 Connecting the piping to the indoor unit 2.4.2.2.6 Connecting the piping to the indoor unit and the drain hose to drain pipe.
and the drain hose to drain pipe.
●
● Align the centre of the piping and sufficientlyAlign the centre of the piping and sufficiently tighten the flare nut by hand.
●
● Tighten the flare nut with a wrench, inTighten the flare nut with a wrench, in
accordance with the following table. accordance with the following table.
Outside Outside Diameter Diameter Tightening Tightening Torque Torque (Kg.m) (Kg.m) Additional Additional Tightening Tightening Torque (Kg.m) Torque (Kg.m) 1/4” 1/4” (6.35mm) (6.35mm) 1.6 1.6 2.02.0 3/8” 3/8” (9.53mm) (9.53mm) 3.0 3.0 3.53.5 1/2” 1/2” (12.7mm) (12.7mm) 5.0 5.0 5.55.5 5/8” 5/8” (16.0mm) (16.0mm) 7.5 7.5 8.58.5 ●
● When extending the drain hose of the indoorWhen extending the drain hose of the indoor
unit, install the drain pipe extension as shown in unit, install the drain pipe extension as shown in adjacent diagram.
adjacent diagram.
2.4.2.2.7 Wrap the insulation material around the 2.4.2.2.7 Wrap the insulation material around the piping connections.
piping connections.
●
● Overlap the connection pipe heat insulationOverlap the connection pipe heat insulation
and the indoor unit pipe heat insulation and the indoor unit pipe heat insulation material. Bind them together with vinyl material. Bind them together with vinyl tapetape so that there is no gap.
so that there is no gap.
●
● Wrap the area which accommodates the rearWrap the area which accommodates the rear
piping housing section with vinyl tape. piping housing section with vinyl tape.
●
● Bundle the piping and drain hose together byBundle the piping and drain hose together by
wrapping them with vinyl tape over the range wrapping them with vinyl tape over the range within which they fit into
within which they fit into the rear pipingthe rear piping housing section.
housing section.
2.4.2.2.8 Set the piping and the drain hose to the 2.4.2.2.8 Set the piping and the drain hose to the back of the
back of the chassis with the tubing holder.chassis with the tubing holder.
●
● Set the tubing retainer into position andSet the tubing retainer into position and
tighten screw. tighten screw.
2.4.2.2.9 Reroute the piping and the drain hose 2.4.2.2.9 Reroute the piping and the drain hose across the back of the chassis, for rear left side across the back of the chassis, for rear left side external passage.
external passage.
Pi
Piping ping for passagefor passage
through piping hole
through piping hole
2.4.2.2.10 Locating the indoor unit 2.4.2.2.10 Locating the indoor unit
●
● Remove the spacer.Remove the spacer. ●
● Hook the indoor unit onto the upper portion ofHook the indoor unit onto the upper portion of the installation plate.
the installation plate.
(Engage the two hooks of the installation plate (Engage the two hooks of the installation plate into the openings at the rear top of the indoor unit.) into the openings at the rear top of the indoor unit.)
●
● Ensure that the hooks are properly seated onEnsure that the hooks are properly seated on
the installation plate by moving the indoor unit left the installation plate by moving the indoor unit left and right.
and right.
●
● Press the lower left and right sides Press the lower left and right sides of the unitof the unit
against the installation plate until
against the installation plate until the hooksthe hooks engage into their slots
engage into their slots (clicking sound).(clicking sound).
2.4.3 Connection of pipes - outdoor 2.4.3 Connection of pipes - outdoor 2.4.3.1 Align the centre of the
sufficiently tighten the flare nut by hand. sufficiently tighten the flare nut by hand.
2.4.3.2 Finally, tighten the flare nut with torque 2.4.3.2 Finally, tighten the flare nut with torque wrench until the wrench clicks.
wrench until the wrench clicks.
●
● Tighten the flare nut with a wrench, inTighten the flare nut with a wrench, in
accordance with the following table. accordance with the following table.
Outside Outside Diameter Diameter Tightening Tightening Torque Torque (Kg.m) (Kg.m) Additional Additional Tightening Tightening Torque (Kg.m) Torque (Kg.m) 1/4” 1/4” (6.35mm) (6.35mm) 1.6 1.6 2.02.0 3/8” 3/8” (9.53mm) (9.53mm) 3.0 3.0 3.53.5 1/2” 1/2” (12.7mm) (12.7mm) 5.0 5.0 5.55.5 5/8” 5/8” (16.0mm) (16.0mm) 7.5 7.5 8.58.5
2.5 CONNECTING THE CABLE
2.5 CONNECTING THE CABLE BETWEENBETWEEN INDOOR UNIT AND OUTDOOR UNIT INDOOR UNIT AND OUTDOOR UNIT
Max. current Max. current (A) (A) Circuit Breaker / Circuit Breaker / Fuse Rating (A) Fuse Rating (A)
Wire Size Wire Size (mm (mm22)) <=8 <=8 10 10 >=1.0>=1.0 >8 >8 & & <=12.5 <=12.5 16 16 >=1.5>=1.5 >12.5 >12.5 & & <=16 <=16 20 20 >=2.5>=2.5 >16 >16 & & <=25 <=25 32 32 >=4.0>=4.0 >25 >25 & & <=32 <=32 40 40 >=6.0>=6.0 Max. current (A): Detail in SPECIFICATIONS list. Max. current (A): Detail in SPECIFICATIONS list. Note:
Note: To be used as a guide only.To be used as a guide only.
2.5.1 Connect the cable to the indoor unit 2.5.1 Connect the cable to the indoor unit
●
● Connect the cable to the indoor unit byConnect the cable to the indoor unit by connecting the wires to the terminals on the connecting the wires to the terminals on the control box individually according to the outdoor control box individually according to the outdoor unit connection. (Refer to Wiring diagram.) unit connection. (Refer to Wiring diagram.) (Ensure that the color of the wires of the outdoor (Ensure that the color of the wires of the outdoor unit and the terminal number are the same as unit and the terminal number are the same as
CAUTION CAUTION
Ensure that all electrical work complies with Ensure that all electrical work complies with relevant Standards and Supply Authority relevant Standards and Supply Authority Service Rules.
Service Rules.
An individual branch Circuit Breaker/Fuse must An individual branch Circuit Breaker/Fuse must be used with this Air Conditioner. See the be used with this Air Conditioner. See the table following for electrical requirements. table following for electrical requirements. Notes:
Notes:
●
● Power Source and Power CordPower Source and Power Cord
specifications must comply with requirements specifications must comply with requirements following.
following.
●
● Circuit Breaker or Fuse specified in thisCircuit Breaker or Fuse specified in this manual must be installed in the power supply manual must be installed in the power supply circuit.
circuit.
●
● For your safety and protection, this unit isFor your safety and protection, this unit is
earthed through the power cord plug when earthed through the power cord plug when plugged into a matching wall receptacle. plugged into a matching wall receptacle.
●
● Do not connect two power cords together toDo not connect two power cords together to supply power to the air conditioner.
supply power to the air conditioner.
●
● Do not extend the power cable conductorsDo not extend the power cable conductors
by cutting. by cutting.
●
● Power supply should be in the range ofPower supply should be in the range of 90%~110% of rated voltage.
90%~110% of rated voltage.
●
● Refer to the Refer to the attached Electrical Connectioattached Electrical Connectionn
Diagram located on the panel of the outdoor Diagram located on the panel of the outdoor unit to connect the wire.
those of the indoor unit.) those of the indoor unit.)
1. Lift the front panel up and remove the 1. Lift the front panel up and remove the window cover from the indoor unit by window cover from the indoor unit by loosening the screw.
loosening the screw.
2. Connect wires to the Indoor Unit terminals 2. Connect wires to the Indoor Unit terminals from the Outdoor Unit as identified by their from the Outdoor Unit as identified by their colors.
colors.
3. Secure the cable with the cord clamp. 3. Secure the cable with the cord clamp. 4. Wrap wires (conductors) that were not 4. Wrap wires (conductors) that were not connected with insulatin
connected with insulating tape so that g tape so that they dothey do not touch any electrical or metal parts.
not touch any electrical or metal parts.
Notes: Notes:
Wrong wire connection may cause some Wrong wire connection may cause some electrical parts to
electrical parts to malfunction.malfunction.
The length of the power supply cord should The length of the power supply cord should be at least 1.8m measured from the power be at least 1.8m measured from the power supply cord entry of the cabinet to the middle supply cord entry of the cabinet to the middle of the live pin of the plug.
of the live pin of the plug.
2.5.2 Connect the cable to the outdoor unit 2.5.2 Connect the cable to the outdoor unit
2.5.2.1 Remove the control cover from the unit by 2.5.2.1 Remove the control cover from the unit by
loosening the screw. Connect the wires to the loosening the screw. Connect the wires to the terminals on the control board individually. terminals on the control board individually. 2.5.2.2 Secure the cable onto the control board 2.5.2.2 Secure the cable onto the control board
with the cord clamp. with the cord clamp.
2.5.2.3 Re-fix the control cover to the original 2.5.2.3 Re-fix the control cover to the original
position with the screw. position with the screw. 2.5.2.4 Use a
2.5.2.4 Use a recognizerecognized circuit d circuit breaker (Refer tobreaker (Refer to table on page 11.) between the power source and table on page 11.) between the power source and the unit. An
the unit. An isolation device to adequatelyisolation device to adequately disconnec
disconnect all supply t all supply lines must be fitted.lines must be fitted.
CAUTIONS:
CAUTIONS:
After confirming the above conditions, prepare the After confirming the above conditions, prepare the wiring as follows:
wiring as follows: 1)
1) Never Never fail to fail to have ahave an indivin individual dual power power circuitcircuit
specifically for the air conditioner. As for the specifically for the air conditioner. As for the method of wiring, be guided by the circuit method of wiring, be guided by the circuit diagram posted on the inside of control cover. diagram posted on the inside of control cover. 2)
2) The The screws whscrews which fasteich fasten the n the wiring wiring in thein the casing of electrical fittings may come loose casing of electrical fittings may come loose from vibrations to which the unit is
from vibrations to which the unit is subjectedsubjected during the course of transportation. Check during the course of transportation. Check them and make sure that they are all tightly them and make sure that they are all tightly fastened. If they are loose, it
fastened. If they are loose, it could causecould cause burn-out of the wires.
burn-out of the wires. 3)
3) Specification Specification of of power power source.source. 4)
4) Confirm Confirm that that electrical electrical capacity capacity of of thethe installation is sufficient.
installation is sufficient. 5)
5) Ensure Ensure that ththat the stare starting ting voltage voltage is mis maintainedaintained at more than 90 percent of the rated voltage at more than 90 percent of the rated voltage marked on the name plate.
marked on the name plate. 6)
6) Confirm Confirm that that the the cable cable thickness thickness is is asas specified in the power source specification. specified in the power source specification. Particularly note the relation between cable Particularly note the relation between cable length and thickness. (Refer to page 11.) length and thickness. (Refer to page 11.) 7)
7) Always Always install install a a Residual Residual Current Current DeviceDevice (RCD) in wet or moist area.
(RCD) in wet or moist area. 8)
8) The The following may following may be be caused by caused by voltage drop.voltage drop. Vibration of a contactor, which will damage Vibration of a contactor, which will damage the contact point, f
the contact point, fuse blowing, disturbance ofuse blowing, disturbance of the normal function of the overload.
the normal function of the overload. 9)
9) The The means means for for disconnectdisconnection ion from from a a powerpower supply shall be incorporated in the fixed supply shall be incorporated in the fixed wiring and have an air
wiring and have an air gap contact separationgap contact separation of at least
of at least 3mm in each active (phase)3mm in each active (phase) conductor.
conductor.
If a power plug is not to be used, provide a Circuit If a power plug is not to be used, provide a Circuit Breaker/Fuse between power source and the unit Breaker/Fuse between power source and the unit as shown in adjacent diagram.
2.6 CHECKING THE DRAINAGE AND 2.6 CHECKING THE DRAINAGE AND
FORMING THE PIPE FORMING THE PIPE 2.6.1 Checking the drainage 2.6.1 Checking the drainage
2.6.1.1 To remove the front panel from the indoor 2.6.1.1 To remove the front panel from the indoor
unit. unit.
●
● Pull the lower left and right Pull the lower left and right sides of the grillesides of the grille
toward you and lift it up. toward you and lift it up.
2.6.1.2 To check the drainage. 2.6.1.2 To check the drainage.
●
● Pour a glass of water on the evaporator.Pour a glass of water on the evaporator.
●
● Ensure the water flows through the drain hoseEnsure the water flows through the drain hose
of the indoor unit without any leakage and goes of the indoor unit without any leakage and goes out the drain exit.
out the drain exit.
2.6.1.3 Drain piping 2.6.1.3 Drain piping
●
● The drain hose should point downward forThe drain hose should point downward for
easy drain flow. easy drain flow.
●
● Do not make drain piping similar to diagramsDo not make drain piping similar to diagrams shown below.
shown below.
2.6.2 Form the piping 2.6.2 Form the piping
2.6.2.1 Form the piping by wrapping the 2.6.2.1 Form the piping by wrapping the connecting portion of the indoor unit with connecting portion of the indoor unit with
insulation material and secure it with narrow vinyl insulation material and secure it with narrow vinyl tape and wide vinyl tape.
tape and wide vinyl tape.
●
● If you want to connect an additional drain hose,If you want to connect an additional drain hose,
the end of the drain outlet should be routed above the end of the drain outlet should be routed above the ground. Secure the drain hose appropriately. the ground. Secure the drain hose appropriately.
2.6.2.2 In cases where the outdoor unit is
2.6.2.2 In cases where the outdoor unit is installedinstalled below the indoor unit perform the following.
below the indoor unit perform the following.
●
● Tape the piping, drain hose and connectingTape the piping, drain hose and connecting cable from down to up.
cable from down to up.
●
● Secure the tapped piping along the exteriorSecure the tapped piping along the exterior
wall using saddle or equivalent. wall using saddle or equivalent.
2.6.2.3 In cases where the outdoor unit is
2.6.2.3 In cases where the outdoor unit is installedinstalled above the indoor unit perform the following.
above the indoor unit perform the following. Tape the piping and connecting cable from down Tape the piping and connecting cable from down
to up. to up.
Secure the taped piping along the exterior wall. Secure the taped piping along the exterior wall. Form a trap to prevent water entering the room. Form a trap to prevent water entering the room. Fix the piping onto the wall by saddle or
Fix the piping onto the wall by saddle or equivalent.
2.7 AIR PURGING 2.7 AIR PURGING 2.7.1 Air purging 2.7.1 Air purging
Air and moisture remaining in the refrigerant Air and moisture remaining in the refrigerant system have undesirable effects as indicated system have undesirable effects as indicated below.
below.
●
● Pressure in the system rises.Pressure in the system rises. ●
● Operating current rises.Operating current rises.
●
● Cooling (or heating if applicable) efficiencyCooling (or heating if applicable) efficiency
drops. drops.
●
● Moisture in the refrigerant circuit may freezeMoisture in the refrigerant circuit may freeze
and block capillary tubing. and block capillary tubing.
●
● Water may lead to corrosion of parts in theWater may lead to corrosion of parts in the
refrigeration system. refrigeration system.
Therefore, the indoor unit and tubing between the Therefore, the indoor unit and tubing between the
indoor and outdoor unit must be leak tested and indoor and outdoor unit must be leak tested and evacuated to remove any non-condensable evacuated to remove any non-condensable substance and moisture from the system. substance and moisture from the system. 2.7.2 Air purging with vacuum pump 2.7.2 Air purging with vacuum pump 2.7.2.1 Preparation
2.7.2.1 Preparation
●
● Check that each tube (both liquid and gas sideCheck that each tube (both liquid and gas side
tubes) between the indoor and outdoor units have tubes) between the indoor and outdoor units have been properly connected and all wiring for the test been properly connected and all wiring for the test run has been completed. Remove the service run has been completed. Remove the service valve caps from both the gas and the liquid side valve caps from both the gas and the liquid side on the outdoor unit. Note that both the liquid and on the outdoor unit. Note that both the liquid and the gas side service valves on the outdoor unit are the gas side service valves on the outdoor unit are kept closed at this stage.
kept closed at this stage. 2.7.2.2 Leak test
2.7.2.2 Leak test
●
● Connect the manifold set (with pressureConnect the manifold set (with pressure gauges) and dry nitrogen gas cylinder to this gauges) and dry nitrogen gas cylinder to this service port with
service port with charge hoses.charge hoses.
●
● Pressurizes the system to no more than 1MPaPressurizes the system to no more than 1MPa
(Approx. 145psi) with dry nitrogen gas and close (Approx. 145psi) with dry nitrogen gas and close the cylinder valve when the gauge reading the cylinder valve when the gauge reading reaches 1MPa (Approx. 145psi). Next, test for reaches 1MPa (Approx. 145psi). Next, test for leaks with liquid soap.
leaks with liquid soap.
L
Loo HHii
Indoor unit
Indoor unit
Ou
Outdotdoor unitor unit
Manifo Manifolld sd setet Pressure Pressure gauge gauge Charge hose Charge hose Nitr
Nitroogen ggen gaass
cyli
cylinder nder ((in verticalin vertical
sta
stannding ding ppoosition)sition)
●
● Do a leak test of all joints of Do a leak test of all joints of the tubing (boththe tubing (both
indoor and outdoor) and both gas and liquid side indoor and outdoor) and both gas and liquid side service valves. Bubbles indicate a leak. Be sure service valves. Bubbles indicate a leak. Be sure toto wipe off the soap with a clean cloth.
wipe off the soap with a clean cloth.
●
● After the system is found to be free of leaks,After the system is found to be free of leaks,
relieve the nitrogen pressure by loosening the relieve the nitrogen pressure by loosening the charge hose connector at the nitrogen
charge hose connector at the nitrogen cylinder. When the system pressure is cylinder. When the system pressure is
reduced to normal, disconnect the hose from reduced to normal, disconnect the hose from the cylinder.
the cylinder. Gas leak check Gas leak check
1. Apply a soap water or a liquid neutral detergent 1. Apply a soap water or a liquid neutral detergent
CAUTION CAUTION
To avoid nitrogen entering the refrigerant To avoid nitrogen entering the refrigerant system in a liquid state, the top of the cylinder system in a liquid state, the top of the cylinder must be higher than its bottom then you
must be higher than its bottom then you
pressurise the system. Usually, the cylinder is pressurise the system. Usually, the cylinder is used in a
used in a vertical standing position.vertical standing position. CAUTION
CAUTION
Be sure to use a manifold set for air purging. If it Be sure to use a manifold set for air purging. If it
is not available, use a stop valve for this is not available, use a stop valve for this purpose. The "Hi" knob of the manifold valve purpose. The "Hi" knob of the manifold valve must always be kept closed.
on the indoor unit connection or outdoor unit on the indoor unit connection or outdoor unit connections using a soft brush to check for connections using a soft brush to check for leakage of the connecting points of the piping. leakage of the connecting points of the piping. 2. If bubbles come out, the pipes have leakage. 2. If bubbles come out, the pipes have leakage. Note: Note: A: Lo stop valve A: Lo stop valve B: Hi stop valve B: Hi stop valve
C and D: connections to the indoor unit. C and D: connections to the indoor unit.
2.7.2.3 Evacuation 2.7.2.3 Evacuation
●
● Connect the charge hose end described in theConnect the charge hose end described in the
preceding steps to the vacuum pump to evacuate preceding steps to the vacuum pump to evacuate the tubing and indoor unit. Confirm the "LO" knob the tubing and indoor unit. Confirm the "LO" knob of the manifold set is open. Then run the vacuum of the manifold set is open. Then run the vacuum pump. The operation time for evacuation varies pump. The operation time for evacuation varies with tubing length and capacity of the pump. The with tubing length and capacity of the pump. The following table is a guide for evacuation times. following table is a guide for evacuation times. Times are dependent on tubing length and pump Times are dependent on tubing length and pump capacity.
capacity.
Pipe Length (L)
Pipe Length (L) Air PurgeAir Purge Method Method Timer required Timer required (min) (min) <5m
<5m Use VacuumUse Vacuum Pump
Pump 2525
5~10m
5~10m Use VacuumUse Vacuum Pump
Pump 3030
●
● When the desired vacuum is reached, closeWhen the desired vacuum is reached, close
the "LO" knob of the manifold set and stop the the "LO" knob of the manifold set and stop the vacuum pump. vacuum pump. Indoor unit Indoor unit Outdoor unit Outdoor unit M
Manifanifold setold set
Pressure Pressure gauge gauge Vacuum pump Vacuum pump Open
Open CloseClose
2.7.2.4 Finishing the job 2.7.2.4 Finishing the job
●
● With a service valve wrench, turn the valveWith a service valve wrench, turn the valve stem of liquid side valve counter-clockwise to fully stem of liquid side valve counter-clockwise to fully open the valve.
open the valve.
●
● Turn the valve stem of gas Turn the valve stem of gas side valveside valve
counter-cl
counter-clockwise to fully ockwise to fully open the valve.open the valve.
●
● Loosen the charge hose connected to the gasLoosen the charge hose connected to the gas
side service port slightly
side service port slightly to release the pressure,to release the pressure, then remove the hose.
then remove the hose.
●
● Replace the valve cap on the Replace the valve cap on the gas side servicegas side service
port and fasten the cap securely. port and fasten the cap securely.
●
● This process is very important to preventThis process is very important to prevent
leakage from the system. leakage from the system.
●
● Replace the valve caps at both gas and liquidReplace the valve caps at both gas and liquid
side service valves and fasten them tightly. side service valves and fasten them tightly.
●
● This completes air purging with a vacuumThis completes air purging with a vacuum
pump. The air conditioner is now ready to test run. pump. The air conditioner is now ready to test run.
