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Manual

2100-449A

Page

1 of 13

INSTALLATION   INSTRUCTIONS

ECONOMIZERS WITH EXHAUST

Models

EIFM-3C

For Use with Bard 2-1/2 through 3 Ton

Wall Mount Air Conditioners

and Heat Pumps

Produced in 2005 and Later

Manual :

2100-449A

Supersedes:

2100-449

File:

Volume III Tab 19

Date:

03-14-08

Bard Manufacturing Company, Inc.
Bryan, Ohio 43506

Since 1914...Moving ahead, just as planned.

© Copyright 2004

Summary of Contents for EIFM-3C

Page 1: ...FM 3C For Use with Bard 2 1 2 through 3 Ton Wall Mount Air Conditioners and Heat Pumps Produced in 2005 and Later Manual 2100 449A Supersedes 2100 449 File Volume III Tab 19 Date 03 14 08 Bard Manufac...

Page 2: ...WH Series 10 Wall Thermostats 12 FIGURES Figure 1 4 Figure 2 5 Figure 3 6 Figure 4 7 Figure 5 8 Figure 6 10 Figure 7 11 Figure 8 12 Wiring Diagram 13 TABLES Table 1 EIFM 3 Table 2 Enthalpy Control Set...

Page 3: ...that there is no visible damage Note any shortages or damage on all copies of the freight bill The receiving party must contact the last carrier immediately preferably in writing requesting inspectio...

Page 4: ...LATION 1 Unpack the economizer assembly which includes the integral economizer with attached electrical harness mixed air thermistor miscellaneous hardware and installation instructions WARNING Open a...

Page 5: ...ate See Figure 2 3 RIGHT HAND UNITS Remove and save existing unit return air filter and left side filter support bracket Remove and save top four 4 screws from grille See Figure 2 LEFT HAND UNITS Remo...

Page 6: ...e the economizer to the right until it is tight against the back of the control panel See Figure 3 FOR LEFT HAND UNITS Install economizer by inserting the economizer into the unit to the far right sid...

Page 7: ...igures 2 3 7 Open unit control panel to gain access to unit low voltage terminal block 8 FOR LEFT HAND UNITS Reroute economizer wiring harness to the left side See Figure 4 9 Route electrical harness...

Page 8: ...Manual 2100 449A Page 8 of 13 FIGURE 5 TOP VIEW OF CONTROL PANEL...

Page 9: ...minimum position potentiometer for future reference D Adjust the enthalpy control to position A B C or D to achieve the maximum combination of temperature and humidity acceptable for the installation...

Page 10: ...temperature and humidity adjustable Minimum position potentiometer adjustable to control minimum damper blade position Mixed air sensor to monitor outdoor and return air to automatically modulate damp...

Page 11: ...Manual 2100 449A Page 11 of 13 CONDITION B WARM OUTDOORS First stage cooling cycles and compressor and dampers remain in mechanical cooling mode FIGURE 7 MECHANICAL COOLING OPERATION...

Page 12: ...or Non Programmable Multi Stage Heat Cool Heat Pump Thermostat Automatic or Manual Changeover Digital Electronic 3 Stage Cool 3 Stage Heat FOR AIR CONDITIONING WITH ECONOMIZER Thermostat Part 8403 060...

Page 13: ...Manual 2100 449A Page 13 of 13...

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