Aprilaire 8336 - Manual (Page 7)

7
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.
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
COOL-OFF-HEAT-EM
COOL-OFF-HEAT-EM
>
FAN: AUTO - ON
>
COOL-OFF-HEAT-EM
FAN: AUTO - ON