Installation instructions economizers with exhaust models eifm-2b eifm-3b for use with bard 1-1/2 thru 3 ton wall mount air conditioners and heat pumps manual : 2100-390 supersedes: file: volume iii tab 19 date: 04-26-01 bard manufacturing company bryan, ohio 43506 since 1914...Moving ahead, just as...
Contents general general information ................................................. 1 unpacking ................................................................ 1 description ............................................................... 1 installation 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. They are not intended as a step by step procedure with which the m...
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.) installation basic installation 1. Unpack the economizer assembly which includes the integral economizer with attached electrical harness, mixed air th...
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. (see figure 2.) left hand units remove and ...
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. (see f...
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. (see figures 2 & 3.) 7....
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. Note: wires referenced in note 1 o...
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. • ac...
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 ...
Manual 2100-390 page 11.
