To Test Thermostat, Few seconds, Should turn off

To Test 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 if the temperature is below 50°F (10°C). This 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 >button until the temperature setting is at least 3 degrees below the room temperature. The air conditioning system should turn on within

a few seconds.

COOL-OFF-HEAT-EM

NOTE: When in the COOL mode (or HEAT for single stage heat pumps), once the thermostat turns off, a built in 5-minute delay prevents the system from turning on again. This protects the compressor. No additional time delay relay is required.

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.

5. Press the> button until the temperature setting is at least

3 degrees above room temperature. The heating system should turn on. The fan may not turn on immediately, depending upon the fan delay built into the furnace.

6.Put the COOL-OFF-HEAT-EM switch into the OFF position. The heating system should turn off. The fan may continue to run for a short period of time.

7.Put the FAN: AUTO-ON switch to the ON position. The blower fan should turn on.

8.Put the FAN: AUTO-ON switch to the AUTO position. The blower fan

should turn off.

COOL-OFF-HEAT-EM

FAN: AUTO - ON

Aprilaire 8336 user manual To Test Thermostat, Few seconds, Should turn off