Instructions / Assembly

507296-02Cmrcool.com
Figure 6. Heater Kit Accessory Installation
2.
and discard.
3. Remove the heater blockoff by removing the four
4. Insert the heater into the control panel and fasten in
the same mounting holes.
5.
connections on the heater kit.
Sequence of Operation
Cooling
compressor and outdoor fan. The thermostat automatically
Heating - Heat Pump Stage
and outdoor fan. The reversing valve is not energized in
the heating mode. The thermostat again automatically
stops unit operation.
Heating - Auxiliary Electric Heat
continues to operate until all heating elements have turned
off.
Defrost System
thermostat and the defrost control.
Defrost Thermostat
The defrost thermostat is located on the outdoor coil.
thermostat contacts close and send a signal to the defrost
control board to start the defrost timing. It also terminates