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INSTALLATION INSTRUCTIONS
ECONOMIZERS WITH EXHAUST
For Use with Bard 3-1/2 through 5 Ton
Wall Mount Air Conditioners
Bard Manufacturing Company
Bryan, Ohio 43506
Since 1914...Moving ahead, just
as planned.
MODEL
EIFM-5
and Heat Pumps
Manual :
2100-220G
Supersedes: 2100-220F
File:
Volume III Tab 19
Date:
09-18-00
© Copyright 2000
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Summary of Contents for Bard EIFM-5
- Page 1 INSTALLATION INSTRUCTIONS ECONOMIZERS WITH EXHAUST MODEL EIFM-5 For Use with Bard 3-1/2 through 5 Ton Wall Mount Air Conditioners and Heat Pumps Manual : 2100-220G Bard Manufacturing Company Supersedes: 2100-220F Bryan, Ohio 43506 File: Volume III Tab 19 Date: 09-18-00 Since 1914...Moving ahead, just...
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Page 2: Table Of Contents
Economizer – WA, WL & WH Series ..... 7 Figure 6 ..............9 TABLES Table 1 ..............1 Table 2 ..............6 Table 3 ..............9 Manufactured under U.S. patent number 5,301,744. Other patents pending. COPYRIGHT SEPTEMBER 2000 BARD MANUFACTURING COMPANY BRYAN, OHIO USA 43506... -
Page 3: General
GENERAL DESCRIPTION GENERAL INFORMATION The EIFM-5 economizer is designed to be used with The economizer should only be installed by a trained Bard 3-1/2 thru 5 ton wall mount series air conditioners heating and air conditioning technician. These and heat pumps equipped with low ambient fan cycling instructions serve as a guide to the technician installing controls. -
Page 4: Installation
INSTALLATION BASIC INSTALLATION 2. Remove and save the existing exterior blower access and service access panels on the Bard wall 1. Unpack the economizer assembly which includes mount unit. (See Figure 1.) the integral economizer with attached electrical 3. Remove and save existing unit return air filter and harness, mixed air thermistor, miscellaneous center screw in front grille. -
Page 5: Figure 2
bracket. Once the economizer is fully inserted, installs on top of blower partition and screws are slide the economizer to the right until it is tight installed from the underside. Route wires as against the back of the control panel. (See Figure shown and secure with wire tie. -
Page 6: Figure 2A
FIGURE 2A MIS-1356 Manual 2100-220 Page... -
Page 7: Figure 3
Manual 2100-220 Page... -
Page 8: Table 2
10. Connect leads with fork terminal to corresponding D. Adjust the enthalpy control to position A, B, points on terminal strip. Re.: C.Y.G. (See wiring C and D to achieve the maximum combination diagram.) of temperature and humidity acceptable for the installation as per Table 2 below. -
Page 9: Economizer - Wa, Wl & Wh Series
ECONOMIZER SEQUENCE OF OPERATION ECONOMIZER – WA, WL & WH SERIES Condition A – Cool Outdoors FEATURES First stage cooling closes and powers the economizer • One piece construction – easy to install with no dampers to economizer mode and the indoor blower mechanical linkage adjustment required. -
Page 10: Figure 5
CONDITION B – WARM OUTDOORS First stage cooling cycles the compressor and dampers remain in mechanical cooling mode. FIGURE 5 MECHANICAL COOLING OPERATION MIS-348 Manual 2100-220 Page... -
Page 11: Figure 6
FIGURE 6 ECONOMIZER OPERATION FOR SINGLE COMPRESSOR UNIT MIS-1351 WALL THERMOSTATS FOR AIR CONDITIONING WITH ECONOMIZER FOR HEAT PUMPS WITH ECONOMIZER Thermostat Part No. 8403-021 (Honeywell T874D1934) Thermostat Part 8403-027 (White Rodgers IF92-71) Subbase part no. 8404-012 (Honeywell Q674A1001) Electronic Heat Pump Thermostat 2 Stage Cool / 2 Stage Heat 2 Stage Cool / 3 Stage Heat TABLE 3... - Page 12 Manual 2100-220 Page...
- Page 13 Manual 2100-220 Page...