COOLING SYSTEM
!CAUTION
To prevent compressor and/or property damage, if the outdoor temperature is below 50°F (10°C), DO NOT operate the cooling system.
1.Press PROGRAM RUN .
2.Press SYSTEM until COOL is displayed.
3.Press 
to adjust thermostat setting below room temperature. The fan should come on (after the
4.Press 
to adjust tempera- ture setting above room temperature. The cooling system should stop operating, and the fan should stop
running (after the
MULTI-STAGE/HEAT PUMP AUXILIARY OPERATION TEST
Follow these steps to energize all stages of heat or cool to permit system checks during installation.
HEAT: Press 
to raise temperature setting to 99°F, then hold for five seconds. The second and third stage heat relays will energize immediately for test purposes. The LED indicator will glow green for first stage and yellow for second stage.
COOL: Press 
to lower temperature setting to 45°F, then hold for five seconds. The second stage cool relay will energize immediately for test purposes. The LED indicator will glow green for first stage and yellow for second stage.
EMERGENCY (heat pump only): Press SYSTEM to select EMER mode. The LED indicator will glow red for emergency mode. A flashing light indicates a malfunction in the system.
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