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Outlet Control Backup Thermostat
The outlet control backup thermostat is located
on the upper, rear area of the blower housing. It
is below the moisture shield and above the outlet
control thermistor. The outlet control backup
thermostat monitors the outgoing air temperature.
If the thermostat reaches a temperature beyond its
maximum temperature rating, it will trip and disable
power to the heating elements or burner assembly.
The outlet control backup thermostat opens at
165°F (74°C) and will automatically reset at 155°F
(68°C).
To remove the outlet control backup thermostat:
1. Remove the drum. (See Drum.)
2. Remove the Phillips-head screw and the
thermostat moisture shield from the front frame.
Outlet Control
Backup Thermostat
Electric Model Shown
High Limit Thermostat
On electric models, the high limit thermostat is
located on the top right area of the heater housing.
On gas models, the high limit thermostat is located
on the upper right side of the diffuser. The high limit
thermostat monitors incoming air temperature.
If the thermostat reaches a temperature beyond its
maximum temperature rating, it will trip and take
out the L1 circuit to the motor disabling the heat
source.
For both gas and electric models, the high limit
thermostat opens at 315°F (157°C) and will
automatically reset at 250°F (121°C).
To remove the high limit thermostat:
1. Remove the drum. (See Drum.)
2. Disconnect the 2 wires from the high limit
thermostat.
3. Remove the Phillips-head screw that attaches
the high limit thermostat to the heater assembly
or diffuser.
4. Slide the thermostat from the heater assembly
or diffuser.
Electric Model Shown
High Limit Thermostat
3. Disconnect the 2 wires from the outlet control
backup thermostat.
4. Remove the Phillips-head screw that attaches
the outlet control backup thermostat to the
blower housing.
Thermostat
Moisture Shield
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