Aprilaire 8353 warranty To Test Thermostat, Press the button until the temperature

To Test Thermostat

WARNING: DO NOT SHORT (JUMPER) ACROSS TERMINALS OF GAS VALVE OR SYSTEM CONTROL TO TEST OPERATION. THIS WILL DAM- AGE 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.

COOL-OFF-HEAT

1. Place the COOL-OFF-HEAT 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.

NOTE: There is a built in 5-minute delay on break for compressor protection. A second attempt to turn on the air conditioning will result in a 5-minute delay in compressor activation.

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

4.Put the COOL-OFF-HEAT switch into the HEAT position.

COOL-OFF-HEAT

COOL-OFF-HEAT

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 switch into the OFF position. The heating system should turn off. Once again, the fan may have a delay.

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

FAN: AUTO - ON

FAN: AUTO-ON

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