Instruction/ maintenance manual of the product EIFM-3B Bard
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INST ALLA TION INSTRUCTIONS ECONOMIZERS WITH EXHAUST MODELS EIFM-2B EIFM-3B For Use with Bard 1-1/2 thru 3 T on W all Mount Air Conditioners and Heat Pump s Manual : 2100-390 Supersedes: File: V olume III T ab 19 Date: 04-26-01 Bard Manufacturing Company Bryan, Ohio 43506 Since 1914.
CONTENTS GENERAL General Information ................................................. 1 Unp acking ................................................................ 1 Description ............................................................... 1 INST ALLA TION Basic Installation .
Manual 2100-390 Page 1 GENERAL GENERAL INFORMATION The economizer should only be installed by a trained heating and air conditioning technician. These instructions serve as a guide to the technician installing the economizer package.
Manual 2100-390 Page 2 2. Remove and save the existing exterior blower access and service access panels on the Bard wall mount unit. (See Figure 1.) INST ALLA TION BASIC INSTALLATION 1.
Manual 2100-390 Page 3 4. Remove and discard the condenser partition blank off plate. (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.
Manual 2100-390 Page 4 5. FOR RIGHT HAND UNITS Install economizer by inserting the economizer into the unit to the far left side clearing the right filter bracket. Once the economizer is fully inserted, slide the economizer to the right until it is tight against the back of the control panel.
Manual 2100-390 Page 5 6. Mount mixed air thermistor to blower partition as shown with screws provided. Bracket with sensor installs on top of blower partition. Screws are inserted from the underside. Route wires as shown and secure with wire tie. Connect wires to thermistor.
Manual 2100-390 Page 6 FIGURE 5 TOP VIEW OF CONTROL PANEL MIS-350.
Manual 2100-390 Page 7 9. Connect lead with fork terminal to corresponding points on terminal strip. Re.: C.Y.G. (See wiring diagram.) 10. Wire nut leads with 5/8” stripped ends to Y1 and Y2 leads from thermostat. See wiring diagram in this manual or on economizer.
Manual 2100-390 Page 8 ECONOMIZER – WA, WL & WH SERIES FEATURES • One piece construction – easy to install with no mechanical linkage adjustment required. • Exhaust air damper – built in with positive closed position. Provides exhaust air capability to prevent pressurization of tight buildings.
Manual 2100-390 Page 9 CONDITION B – WARM OUTDOORS First stage cooling cycles and compressor and dampers remain in mechanical cooling mode. FIGURE 7 MECHANICAL COOLING OPERATION MIS-348.
Manual 2100-390 Page 10 FIGURE 8 ECONOMIZER OPERATION FOR SINGLE COMPRESSOR UNIT MIS-1351 WALL THERMOSTATS FOR HEAT PUMPS WITH ECONOMIZER Thermostat Part 8403-027 (White Rodgers IF92-71) Electronic Heat Pump Thermostat 2 Stage Cool / 3 Stage Heat FOR AIR CONDITIONING WITH ECONOMIZER Thermostat Part No.
Manual 2100-390 Page 11.
An important point after buying a device Bard EIFM-3B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bard EIFM-3B yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bard EIFM-3B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bard EIFM-3B you will learn all the available features of the product, as well as information on its operation. The information that you get Bard EIFM-3B will certainly help you make a decision on the purchase.
If you already are a holder of Bard EIFM-3B, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bard EIFM-3B.
However, one of the most important roles played by the user manual is to help in solving problems with Bard EIFM-3B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bard EIFM-3B along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
