Installation and Maintenance Manual

Wiring Diagrams
GTND-SVX01B-EN 51
Figure 43. Unit sizes 30–120: Natural & propane (LP)
gas with single-stage gas control & UT
control board
Note: Refer to Figure 37, p. 37 through Figure 39, p. 38, Figure 43, p. 51,
and Figure 44, p. 51 for connecting the thermostat to the unit heater.
If using a standard low voltage thermostat with a sub-base switch for
fan control, connect the G terminal of the thermostat to the G terminal
of the unit heater.
Figure 44. Unit sizes 60–120: Natural and propane (LP)
gas with optional two-stage gas control and
UT control board
Note: Refer to Figure 37, p. 37 through Figure 39, p. 38, Figure 43, p. 51,
and Figure 44, p. 51 for connecting the thermostat to the unit heater.
If using a standard low voltage thermostat with a sub-base switch for
fan control, connect the G terminal of the thermostat to the G terminal
of the unit heater.