High Limit Thermostat - GE GTUP270EMWW Technical Service Manual

Outlet Control Thermostat
The outlet control thermostat is located on the
upper, rear area of the blower housing. The outlet
control 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 thermostat opens at 130°F and
will automatically reset at 120°F.
To remove the outlet control thermostat:
1. Remove the drum. (See
2. Disconnect the 4 wires from the outlet control
backup thermostat.
3. Remove the Phillips-head screw that attaches
the outlet control thermostat to the blower
housing.
Outlet Control
Thermostat
27-in. Electric Model Shown
.)
Drum

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, above the
safety thermostat. The high limit thermostat
monitors incoming air temperature.
If the thermostat reaches a temperature beyond its
maximum temperature rating, it will trip and disable
motor operation.
The high limit thermostat opens at 315°F. and will
automatically reset at 250°F.
To remove the high limit thermostat:
1. Remove the drum. (See
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.
High Limit Thermostat
24-in. Gas
Model
– 34 –
.)
Drum
27-in. Electric
Model
High Limit Thermostat