PRESENTATION BY: MIKE BURT AIR FILTER SOLUTIONS INC. DENVER, COLORADO

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PRESENTATION BY: MIKE BURT

AIR FILTER SOLUTIONS INC.

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INEXPENSIVE RETROFIT DESIGNS FOR

ABOVE CEILING UNITS

Fan coil units

Fan terminal units

Single ducted fan powered units

Heat pump units

Where air filtration applications are difficult to

perform service install / change-out

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WHY WOULD A RETROFIT TO THE FILTER

SECTION BE NECESSARY?

Where the existing application has a poor quality air

filter in place.

Where the existing application has a poor quality or

broken down holding mechanism to hold the air

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FAN POWERED BOX

Wire holding filter in place

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This 24X24X1” Poly

Filter is bowing

inward at only a

velocity of 300 FPM

or another words

1200 CFM

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Air Flow verses Pressure Drop Filter Size: 24X24

Different Filter Types

w.g. inches @ 1200 CFM 300 FPM w.g. inches @ 1600 CFM 400 FPM w.g. inches @ 2000 CFM 500 FPM Amount of Surface Area 52.2-2007 MERV

1" Poly Framed Filter * 0.22 0.30 not rated 4 sq. ft. 5* Camfil Farr Aeropleat III 1" Pleated 0.43 7.8 sq. ft. 8 Camfil Farr Aeropleat IV 1" Pleated 0.43 9.8 sq. ft. 8 Camfil Farr 30/30 1" Pleated 0.26 0.44 9.8 sq. ft. 8 2" Poly Framed Filter * 0.25 0.36 0.45 4 sq. ft. 5* Camfil Farr Aeropleat III 2" Pleated 0.16 0.23 0.33 12.1 sq. ft. 8 Camfil Farr 30/30 2" Pleated 0.15 0.23 0.33 17.3 sq. ft. 8

Summary:

The filter with the most surface area will maintain a lower pressure drop (less restriction) over time, since it has more surface area for much greater dust holding capacity.

2" Best Choice = FARR 30/30 or high capacity

* Filter has not been tested under the MERV procedure. The noted rating is an estimate.

More surface area = greater dust holding capacity = longer life

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Air Flow verses Pressure Drop Filter Size: 24X24

Different Filter Types 1200 CFM @ .10" w.g. Amount of Surface Area 52.1 Rated Efficiency 52.2-2012 MERV

1" Poly Framed Filter 1200 4 sq. ft. *5 3-4* FGI 400 Series SC 1" Pleated 950 7.2 sq. ft. 52.2-2012 7 Camfil Aeropleat III 1" Pleated 1025 7.8 sq. ft. 52.2-2012 6 Camfil Aeropleat IV 1" Pleated 1250 9.8 sq. ft. 52.2-2012 5-6* Camfil Farr 30/30 1" Pleated 1125 9.8 sq. ft. 52.2-2012 7 Fiberbond FDL 1" Ring Panel 850 4 sq. ft. 52.2-2012 8

2" Poly Framed Filter 950 4 sq. ft. 52.2-2012 3-4* FGI 400 Series SC 2" Pleated 1175 12.4 sq. ft. 52.2-2012 7 Camfil Aeropleat III 2" Pleated 1225 12.1 sq. ft. 52.2-2012 6 Camfil Farr 30/30 2" Pleated 1250 17.6 sq. ft. 52.2-2012 7 Fiberbond FDL 2 Ring Panel 850 4 sq. ft. 52.2-2012 8 Summary:

* Filter has not been tested under the MERV procedure. The noted rating is an estimate.

The filter with the most surface area will maintain a lower pressure drop (less restriction) over time, since it has more surface area on which to load contaminant.

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Fan coil unit

consists of a fan that blows room air over a coil of

finned pipes that carry heated or chilled water. Some types

have a single coil supplied with hot water; these can only heat

the air. Others types have a single coil supplied with chilled

water, these can only cool the air. Yet others have 2 coils and

heat or cool the air. The electrical loading is small, consisting

only of a fan and usually a controller that operates valves to

control the flow of heated or chilled water. Almost always

single phase.

The chilled and/or heated water would be supplied by remote

central plant, with appreciable energy use.

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AIR FILTER SOLUTIONS INC.

THANK YOU FOR THE

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Presentation by: Bryan Curtis

ATEC/Indirex

HaveACoolDay.com

Evaporative Equipment Specialist

Evaporative PreCoolers, Indirect Evaporative Units,

Portable Evaporative Units, etc…

AFEC 2013

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Evaporative PreCooling

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Increase

Cooling

Capacity

Reduce

Energy

Usage

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Small Packaged Unit

Performance Data

(12.5 Tons)

Increase in Tons

11%

Decrease in KW

19%

Increase in SHC

6%

CAPACITY INCREASE

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Mid-size Scroll Compressor

Chiller Performance Data

(50 Ton)

Increase in Tons

11%

Decrease in KW

18%

Increase in EER

27%

CAPACITY INCREASE

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Large Scroll Compressor

Chiller Performance Data

(100 Ton)

Increase in Tons

11%

Decrease in KW

19%

Increase in EER

27%

CAPACITY INCREASE

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Summary of Results

CDD % Savings

14

19.5%

16

29.5%

17

31.1%

19

21.5%

20

19.3%

21

20.3%

22

17.5%

500 450 400 350 300 250 200 150 100 50 0 339 239 363 250 393 308 395 319 425 338

Cooling Degree Day (CDD)

Without PreCooling 16 19 20 21 22 With PreCooling 14 352 283 kW h 17 332 402

ENERGY SAVINGS

Unit Description: 40 Ton Packaged Condensing Unit

Location: Cypress, TX (Houston Area)

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Evaporative PreCoolers Installed

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“A … dirty condenser coil can increase

compressor energy consumption by 30%.”

- Federal Emergency Management Program Fact Sheet

REDUCED MAINTENANCE

“If the coil is dirty …. this raises your

electricity cost for air conditioning and

may shorten the life of the outdoor

condensing unit.”

- Saturn Research Management

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WATER CONSERVATION

The National Renewable Energy Lab (NREL) reports:

U.S. electricity production

consumes over 20 gallons of water per KWH created

.”

Other studies confirm this water usage, and state that depending upon the

power plant type, the water usage can range from 10 gallons to 25 gallons of

water consumed per KWH created.

PreCooling systems use approximately 1.9 gallons of water for each KWH

saved. This savings covers 90% of water usage cost while saving electricity

Precooling systems annual water costs are measured in hundreds of dollars,

while saving thousands of dollars annually in electricity costs.

By reducing electricity demand and

consumption…

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Reduces Energy Use

Reduces Demand Charges

Reduces Overall Maintenance

Increases tonnage capability

Improves the KW/Ton Ratio

Reduces Head Pressure

Increases system reliability

Protects Coils from Debris and Damage

Extends the life of HVAC equipment

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The measure will focus on retrofits for existing commercial rooftop units

10 nominal tons or greater.

Direct Evaporative PreCoolers for Air-Cooled Condensers (DEPACC)

Public Service will provide a prescriptive rebate of $100/nominal

ton of cooling for the installation.

XCEL ENERGY REBATES

The rebate will be capped at 60% of total project cost and will

be consistent with the existing terms and conditions of the current

Public Service Company prescriptive measure incentives and

measure.

The forecasted spend amount for this new measure is $1,102,500.

DEPACC will contribute 2,788 net generator kW of demand

savings and 2,465,098 kWh of electric savings.

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Presentation by: Mike Limke

TRANE

Trane Rental Services Manager

Portable / Temporary HVAC

AFEC 2013

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HVAC Upgrades

Not of age requiring replacement,

but new enough to justify upgrading.

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Control Panel Upgrade

Adaptive Frequency Drives

Renewal / Refresh Programs

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• Comprehensive retrofit package for centrifugal chillers regardless of manufacturer

• Includes a complete enclosure with all of the Intelligent Devices necessary to control:

– Chiller operations

– Temperature and pressure sensors

– Wiring harnesses

– Display and a mounting swing arm

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Control / Human Interface Upgrade

Classic Black 1980-1985 UCP1 1985-1993 UCP2 1993-2001 CH531 2001-2008

Present

Single door pneumatic 1964-1976

Double door pneumatic 1976-1980

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• Upgrades controls to newest digital controls and operator platform

• Easy to use and output enhances the operators knowledge of chiller operations

• Improves reliability which will help achieve customer’s financial goals by saving on operating cost and preventing expensive failures

Why?

Features...

– Intuitive color display

– Chiller logging

– Chiller trending

– Fully digital controls

– Communication w/BAS

– Adapts chiller to situation and creates alert.

– Decrease utility demand charges. Soft loading.

Benefits...

– Easy access to information

– More data available

– Reports and graphs

– Similar panel to new production

 Increased reliability

 Improved temperature control

 Enhanced motor protection

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What is it?

Retrofit package to replace motor starter on centrifugal compressor water chillers.

AFD is designed to maximize chiller efficiency and reduce power consumption by adapting the motor speed to the chiller’s operating load

• Designed to interface with a variety of controls Suitable for CVHE and CVHF chillers

• Offered as unit mounted or remote mounted

Using adaptive logic, the AFD meets the systems’ required load conditions and at the same time maintains maximum efficiency of the chiller

By communicating with the control panel, the AFD maintains safe and uninterrupted chiller operation

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Chiller With AFD Retrofit

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Does anyone have a chiller that runs 100%

loaded, 24 hours a day, 365 days a year?

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Features and Benefits - Energy Savings

0.000 0.100 0.200 0.300 0.400 0.500 0.600 0.700 0.800 0.900 20% 30% 40% 50% 60% 70% 80% 90% 100% kW/Ton Percent Load

AFD Comparison Curves

Without AFD, Without Condenser Relief With AFD, With Condenser Relief

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Serves buildings with a variety of cooling needs • Commercial offices

• Retail buildings

Chillers with high run hours (over 1,000) at part lift

• Facilities where water temperature can be reduced by 10 degrees or more an AFD will result in higher savings

– Hotels

– Data processing facilities

Arena and Sport Complexes

• Systems designed for peak operation (sporting event, game, etc.)

• 24-hour dehumidification for locker rooms, pools, etc.

Manufacturing facilities

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Misapplied chillers

• Oversized chillers (older chillers were sometimes oversized)

• Building that have changed owners and type of use

• Heat recovery or ice making that is no longer used – Hospitals

– Hotels

Soft start requirement, reduces startup inrush High utility rates

Utility rebates available.

Product Overview

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What is it?

Renewal / Refresh

Webster’s definition:

re•new: to become new or as new; to begin again.

an investment that delivers a manufacturer’s

original commitment of reliability and

performance that is backed by a long-term

warranty.

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For what Products

Centrifugal Chillers

Helical Rotary (screw) chillers (air cooled and water

cooled)

Large Package Rooftops Units (>20 tons)

Vertical Self Contained Units.

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What is Renewal / Refresh Service

Program?

Under Normal Conditions, Components Can Wear and

Deteriorate Over Time...

Gaskets

- internal and external elastomer seals give up elasticity

and harden with time. The rate of deterioration depends

on time, temperature, and operating conditions.

Bearings

- individual unit-operating conditions can

influence bearings performance. Certain site conditions

can cause bearing damage and ultimately

compressor failure.

Slide Valve

– slide valve wear, common

result is the loss of load and temperature

control.

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What is Renewal / Refresh Service

Program?

Technology

improvements can lead to improved performance.

Mechanical Upgrades

can lead to improved efficiencies and

reliabilities.

Software Upgrades

can also lead to improved efficiencies

and reliabilities.

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Why ?

Budget Constraints – Saves Money vs. Compressor Failure or Unit

Replacement - Budgeted Expense, Planned, Predictable, Not a

Surprise…

Lowest Life Cycle Cost for Your Equipment

Proactive - while compressor wear is not preventable, catastrophic

compressor failure can be reduced

Financial Constraints With a Major Failure or Complete Chiller

Replacement

Budget planning in advance

Maintenance budget vs.

capital

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Why ?

Long term assurance...

Additional two, three, five year parts and labor

warranties available.

Environmentally conscious - prevent refrigerant

leaks – Legal (and moral ) obligation

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Chillers, Package Equipment

• Remanufacture Compressor to original specifications

• Replaced and/or upgraded parts to current OEM specifications

• Install latest compressor upgrades

• Oil & refrigerant analysis

• Eddy current tube analysis

• Motor contactors, (compressor, fan)

• Auxiliary switches

• Wiring harnesses

• Proving switches

• Phases monitor

• Supply/Return fan motor bearings

• Condenser fan motors

• Fan hub seals

• Upgrade fan blades to quieter, more efficient

• Upgrade economizer actuators

• Replace economizer actuators linkage.

• Fan support brackets

• Door gaskets, latches, and screws

• Replace Insulation

• Clean/repair drain pans

• Out door pressure sensor tubing

• Clean dirty condenser and evaporator coils

• Clean dirty condenser and evaporator tubes

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Summarizing…

A Thorough Equipment Evaluation

Restored Unit Compressor to the OEM’s Current Specifications

– Replaced and/or upgraded parts to current OEM specifications

– A new serial number to reflect the changes

Save money - 1/2 the cost of a compressor failure

Scheduled downtime

Budgeted expense

Long term compressor assurance

– Standard two-year parts and labor compressor warranty

– Additional three-year parts and labor warranty with a service agreement

Prevent refrigerant leaks – conserve the

environment

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BAS R’newal

Advantages of planned upgrade

Cost advantage of control system upgrade

vs. control system replacement

2x to 4x

less expensive

to upgrade control

system than to completely replace system

Tracer R’newal retrofit kit utilizes existing

enclosures

Utilizes other existing system components, including wiring

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Building Automation

Software upgrades uploaded

Upgraded graphics

Graphic data trending and reporting

Standard report libraries

Strategies to reduce energy usage

Ventilation optimization procedures

Static pressure optimization

Chiller-Tower optimization

Lighting Control

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Why ?

Keep building operating at

high performance

Keep control system operating properly

Compensate for any changes

Find areas of building systems improvement

Avoid unplanned failures or obsolescence

2x to 4x

less expensive

to upgrade control

system than to completely replace system

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R’newal

Upgrade Program

In conclusion

Many reasons to upgrade

Avoid obsolescence and risk

Improve operational efficiencies

Many advantages of upgrade

Less cost than system replacement

Easier on your budget

Maximize system operation

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ATEC/Indirex

HaveACoolDay.com

AFEC 2013

Advanced HVAC Retrofits

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