Manual 2100-498b page 1 of 17 economizer with exhaust model wgeifm-3c wgeifm-5c wgseifm-5 for use with bard 3 - 5 ton step capacity and 2 - 5 ton single stage wall mount air conditioners with gas heat installation instructions © copyright 2007 manual : 2100-498b supersedes: 2100-498a file: volume ii...
Manual 2100-498b page 2 of 17 contents general general information ................................................. 3 unpacking ................................................................ 3 description ............................................................... 3 models ......................
Manual 2100-498b page 3 of 17 general general information the ventilator should only be installed by a trained heating and air conditioning technician. These instructions serve as a guide to the technician installing the ventilator package. They are not intended as a step by step procedure with whic...
Manual 2100-498b page 4 of 17 installation basic installation 1. Unpack the ventilator assembly which includes the integral ventilator with attached electrical harness, blank-off plate and miscellaneous hardware. 2. Remove and save the existing exterior blower access and service access panels (see f...
Manual 2100-498b page 5 of 17 figure 2 installation of economizer figure 2 inset side section 5. Install ventilator sheet metal assembly by inserting the ventilator into the unit – centering between the tubing on the left and the control panel on the right. Once the ventilator is fully inserted, sli...
Manual 2100-498b page 6 of 17 figure 3 install loose piece wire harness plug secure into filter tray plug to route wires through wire mount, and into hole at rear of unit into low voltage terminal block area mis-2415.
Manual 2100-498b page 7 of 17 9. Mount mixed air thermistor sensor to blower as shown with screws provided. Route two (2) red wires from wire harness installed in step #7 through cable holders, and connect to thermistor sensor as shown in figure 2. 10. Connect the wires (with fork connectors) routed...
Manual 2100-498b page 8 of 17 example: 1. Measure return air temperature (rat) (assume 75° f for example). 2. Measure outdoor air temperature (oat) (assume 60° f for example). 3. Calculate the mixed air temperature (mat) which will result from the desired combination of oat (10 percent) and rat (90 ...
Manual 2100-498b page 9 of 17 figure 5 economizer logic module.
Manual 2100-498b page 10 of 17 wg3s ventilation airflow 0 100 200 300 400 500 600 700 0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25 27.5 30 vent position ventilation airflow (cfm) stage #2 operation blower only & stage #1 operation wg4s ventilation airflow 0 100 200 300 400 500 600 700 800 900 0 2.5 5 7.5 ...
Manual 2100-498b page 11 of 17 wg5s ventilation airflow 0 100 200 300 400 500 600 700 800 900 1000 0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25 27.5 30 vent position ventilation airflow (cfm) stage #2 operation stage #1 operation blower only.
Manual 2100-498b page 12 of 17 0 50 100 150 200 250 300 350 400 450 500 550 600 closed a b c d open damper position w24g eifm airflow versus position - low speed free blow .15" esp .30" esp 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 closed a b c d open damper position w24g eifm airflow...
Manual 2100-498b page 13 of 17 0 50 100 150 200 250 300 350 400 450 500 550 600 650 closed a b c d open damper position w30-36g eifm airflow versus position - low speed free blow .15" esp .30" esp 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 closed a b c d open damper position w30-36...
Manual 2100-498b page 14 of 17 0 50 100 150 200 250 300 350 400 450 500 550 600 650 closed a b c d open damper position w42-60g eifm airflow versus position - low speed free blow 0.15" esp 0.30" esp 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 closed a b c d open damper position ...
Manual 2100-498b page 15 of 17 figure 6 economizer operation for single compressor unit.
Manual 2100-498b page 16 of 17 figure 7 call for blower operation economizer sequence of operation condition a — cool outdoors first stage cooling closes and powers the economizer dampers to economizer mode and the indoor blower starts. Mixed air sensor senses a mixture of return air and outdoor air...
Manual 2100-498b page 17 of 17 condition b — warm outdoors first stage cooling cycles the compressor and dampers remain in mechanical cooling mode. Figure 8 call for cooling operation.
