Step 3: Testing The Thermostat - Robertshaw 9520 User Manual

12. Put the °F/°C switch to either °F for Fahrenheit display
or °C for Celsius display (see Figure 5).
13. Replace cover on thermostat by snapping into place.
14. Turn on power to system . Test thermostat as described
in the following section.

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: D
O NOT SWITCH SYSTEM TO COOL IF THE TEMPERATURE IS BELOW
T
HIS CAN DAMAGE THE AIR CONDITIONING SYSTEM AND CAUSE PERSONAL INJURY
1. Place the COOL-OFF-HEAT-EM
switch into the COOL position
2. Press the
temperature setting is at east
3 degrees below the room
temperature. 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 COOL-OFF-HEAT-EM switch
into the OFF position. The air
conditioning system should turn off.
4. Put the COOL-OFF-HEAT-EM switch
into the HEAT position.
°F/°C Switch
Batteries NOT Required.
Figure 5
button until the
COOL-OFF-HEAT-EM
COOL-OFF-HEAT-EM
COOL-OFF-HEAT-EM
7
50°F (10°C).
.