Yellow pressure
switch wires
Blower Testing
Step 5. Disconnect yellow wires from the pres- sure switch.
Step 6. Reconnect wires from step 5 to new pressure switch.
Step 7. Reconnect tubing to new pressure switch.
Step 8. Carefully position pressure switch into blower housing.
Step 9. Position gas control power switch to the “ON” postion and verify proper heater operation.
Step 10. Replace control access cover form step 2.
Blower Testing
WARNING
115 volt potential exposure. Use caution making voltage checks to avoid
personal injury.
Step 1. Move the gas control power switch to the “ON” position and adjust control to call for heat.
Gas control power
switch
Step 2. Remove the three screws (Phillips screw driver) from the control access cover on the blower as- sembly and remove cover.
Control access
cover
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