Flue
Page 7
Rear support frame Casing left hand side panel Casing right hand side panel Casing front panel
Mounting - cross bar Support - lower cross bar Front panel retaining bracket Flue restrictor
Flue adaptor Flue adaptor gasket Cover plate
Cover plate gasket RS chamber top panel Clamp - fan/flue joint
Gasket - fan/flue clamp (part of seal kit) Bend - fan c/w venturi
Venturi (plastic)
Upto Serial No. A90400001 Venturi and positive connection From Serial No. A90400001 Pressure point - positive Adaptor M6 tube
Gasket 6.1 x 11 x 1.5 (part of seal kit) Fan assembly
Air pressure switch - Honeywell
Air pressure switch - Tridelta (Alternative) Tube 220 mm - air pressure switch/gas valve to RS chamber
Flue hood
Insulation panel set
Combustion chamber front panel Primary heat exchanger and clips Clip - primary heat exchanger Expansion vessel 8 litres Pipe for expansion vessel RS chamber front panel Pilot glass gasket Pilot glass
Pilot glass retaining plate Burner assembly Injector manifold
Main burner injector 1.18 mm (NG) Main burner injector 1.25 mm (NG) Main burner injector 0.69 mm (LPG) Main burner injector 0.74 mm (LPG) Injector manifold gasket (part of seal kit) Flange - connection to injector manifold (part of seal kit)
Gasket - gas pipe/room sealed chamber (part of seal kit)
Pilot burner c/w injector 0.27 mm (NG) 6.5629030
Page 8
Pilot injector 0.27 mm (NG) Olive - pilot tube
Nut - pilot tube
Pilot tube w/o connections Nut - pilot tube to gas valve Thermocouple
Spark electrode Electrode lead
Gasket - pilot/room sealed chamber Ignition electrodes - right (63) and left (64) supplied as a pair
Flame sensing electrode Reset switch
Pipe - pump to primary heat exchanger Washer - pump (part of seal kit) Pump - Grundfos
Automatic air vent assembly
‘O’ ring - automatic air vent (part of seal kit) Gasket - primary pipe (part of seal kit) DHW heat exchanger
DHW H/EX seals (part of seal kit) Mains inlet/heating return assembly Sensor - differential pressure DHW flow restrictor
Drain tap
3 bar pressure relief valve Upto Serial No. A64100308 3 bar PRV c/w ‘O’ rings From Serial No. A64100308
Pressure relief valve ½” BSP nipple Pressure relief valve ½” BSP union Pressure relief valve discharge pipe Pipe - DHW - positive pressure Pipe - DHW - negative pressure By-pass pipe
By-pass pipe clip
‘O’ ring 13.94 x 2.62 (part of seal kit) Diverter valve c/w DHW flow valve assy.
Diverter valve assembly DHW flow valve DHW outlet assembly
Prim flow valve diaphragm (part of seal kit) By-pass assembly
DHW flow valve diaphragm (part of seal kit) Flow valve microswitch assembly
Temperature sensor
Temp sensor washer (part of seal kit) DHW microswitch assembly
Overheat thermostat c/w lead Overheat thermostat
Page 9
Pipe - diverter valve to primary H/Ex Gas valve to manifold pipe
Upto Serial No. A72901594 Gas valve to manifold pipe From Serial No. A72901594
‘O’ ring seal 28.24 x 2.62 (part of seal kit) Upto Serial No. A72901594
‘O’ ring seal 22.22 x 2.62 (part of seal kit) From Serial No. A72901594
Gas valve inlet flange Upto Serial No. A72901594 Gas valve inlet flange From Serial No. A72901594 Gas valve assembly - V4600A1098 Gas valve - VR4605A1045
Upto Serial No. A74600001 Gas valve - VK4105A1027 From Serial No. A74600001 Gas valve modulating coil Modulating coil spindle Gas valve spring (NG) Gas valve spring (LPG) Adaptor - gas valve tube Ignition microswitch c/w cable Upto Serial No. A72901594 Ignition microswitch c/w cable From Serial No. A72901594 Ignition microswitch assembly Upto Serial No. A72901594 Microswitch cover
Upto Serial No. A72901594 Ignition microswitch Upto Serial No. A72901594 Ignition microswitch c/w lever Upto Serial No. A72901594 Controls panel support panel Control box rear cover Control panel
Terminal box cover Main PCB
Ignition PCB PCB neon
Control panel hinged cover Pin - Right hand
Pin - Left hand Pin spring
Control panel markings plate Round blanking panel 2-way selector switch Terminal block
Page 10 Pressure gauge support PCB relay
Suppressor Spark generator
Upto Serial No. A72901594 Ignition PCB
From Serial No. A72901594 Thermostat knob
Selector switch knob Gas valve knob Gas valve knob spring Gas valve knob fixing bracket Gas valve knob adaptor
Washer 4.5 x 12 x 1.5 (part of seal kit) Washer 12 x 18 x 2 (part of seal kit) Washer 17 x 24 x 2 (part of seal kit) Connection fittings pack
CH return isolating valve (¾ in) c/w/filter CH system filter
¾ in CH and gas inlet pipe
Mains water inlet valve (½ in) c/w filter Mains water inlet filter
½ in DHW outlet/mains water inlet pipe DHW outlet pipe
Gas valve inlet pipe Gas service cock
CH flow isolating valve (¾ in) Water hammer arrestor Water hammer arrestor pipe Flue terminal
Flue sealing collar
Screw No. 6AB x 9.5 recessed c’sk head Centralising support
Inner flue duct clamp - 40 mm Outer air duct clamp - 70 mm 90° flue bend/clamp/seal
90° bend/flue adaptor clamp - 40 mm 90° bend/flue adaptor seal - 40 mm 77 mm filling loop pipe
120 mm filling loop pipe Filling loop assembly 45° flue bend/clamp/seal Wall mounting bracket
LITERATURE
Installation and servicing instructions Upto Serial No. A72901594
Installation and servicing instructions From Serial No. A72901594
1.6098
Page 11
Users instructions
Upto Serial No. A72901594 Users instructions
From Serial No. A72901594 Wall template
COMPONENT PACKS
Primary heat exchanger c/w seals DHW heat exchanger c/w seals Pump assembly c/w seals (Grundfos) 3 port valve c/w/seals
Fan assembly c/w seals CH expansion vessel c/w seals CH expansion vessel pipe c/w seals Primary return pipe to H/Ex c/w seals By-pass pipe c/w seals
Primary flow pipe from H/Ex c/w seals Burner gas supply pipe c/w seals Gas valve c/w seals
Gas valve c/w seals Upto Serial No. A74600001 Gas valve c/w seals From Serial No. A74600001 CH return isolating valve c/w seals
¾ in CH and gas inlet pipe c/w seals Mains water inlet valve c/w seals
½ in DHW outlet/mains inlet pipe c/w seals DHW outlet pipe c/w seals
Gas valve to service cock pipe c/w seals Gas service cock c/w seals
CH flow isolating valve (¾ in) c/w seals
SEAL KITS
Seal kit 735 - Water complete Seal kit 740 - H/Ex/pump/flow valves Seal kit 745 - Isolating valves Seal kit 750 - Gas complete Seal kit 755 - Flue boiler flange Seal kit 760 - 3 -way valve Seal kit 765 - DHW flow valve
Seal kit 770 - Differential pressure sensor Seal kit 775 - AAV/CH expansion vessel/
pressure gauge/temp sensor 3 x DHW diaphragms (ref. No. 127)
ELECTRICAL WIRING ASSEMBLIES Cable - Pump
Cable - Temperature sensor Cable - Modulating coil Cable - Fan/air pressure switch Upto Serial No. A73600944 6.9175002
-Page 12
Cable - Fan/air pressure switch From Serial No. A73600944 Cable - Fan/air pressure switch Cable - PCB/relay PCB/suppressor Cable - Internal clock
Cable - Ignition electrode lead
Cable - Gas valve/flame sensing electrode/PCB Upto Serial No. A74600001
Cable - Gas valve/flame sensing electrode/PCB From Serial No. A74600001
ADDITIONAL FLUE COMPONENTS Low rear flue - Gasket
Low rear flue - Flange Low rear flue - Adaptor tube
Low rear flue - Screw for adaptor tube Low rear flue - Cover plate
Low rear flue - Adaptor bend Low rear flue - Fan bend gasket
Low rear flue - Pressure switch tube (300mm) Low rear flue - Venturi
6.8417500
-Page 13
Alpha Therm Limited.
Goldsel Road, Swanley, Kent BR8 8EX Tel: (01322) 669443
Fax: (01322) 615017