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Step 3: Testing the Thermostat
WARNING: DO NOT SHORT (JUMPER) ACROSS TERMINALS OF GAS
VALVE OR SYSTEM CONTROL TO TEST OPERATION. THIS WILL
DAMAGE THE THERMOSTAT AND VOID YOUR WARRANTY.
CAUTION: DO NOT SWITCH SYSTEM TO COOL OR LEAVE IN COOL MODE
IF THE TEMPERATURE IS BELOW 50°F (10°C). THIS CAN
DAMAGE THE AIR CONDITIONING SYSTEM AND CAUSE
PERSONAL INJURY.
1. Place the OFF-COOL switch into the COOL position.
The will be displayed.
2. Press the button until the temperature
setting is at least 3 degrees below the room temper-
ature. The air conditioning system should turn on
within a few seconds.
NOTE: ONCE THE THERMOSTAT TURNS OFF WHEN IN THE COOL MODE,
A BUILT IN 5-MINUTE DELAY PREVENTS THE SYSTEM FROM
TURNING ON AGAIN. THIS PROTECTS THE COMPRESSOR. NO
ADDITIONAL TIME DELAY RELAY IS REQUIRED. TO OVERRIDE THE
5-MINUTE DELAY FOR INSTALLATION, PRESS THE RESET BUTTON.
3. Put the OFF-COOL switch into the OFF position.
The air conditioning system should turn off.
4. Put the AUTO-ON switch into the ON
position. The blower fan should turn on.
The display will show a .
5. Put the AUTO-ON switch into the AUTO
position. The blower fan should turn off.
off cool
off cool
!
auto on
auto on
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