Thermostats
(Must be ordered separately)
WARNING
Electrical Shock Hazard
■ Disconnect the electrical supply before
connecting the thermostat to the heater.
■ Failure to follow this warning can result in
electrical shock, leading to personal injury
or death.
1. To Connect the Series Tap Plug
Thermostat Kit:
a. Connect the power cord of the heater to the
female side of the plug on the end of the kit's
thermostat cord.
b. Plug the male side of the series tap plug on
the kit's thermostat cord into a three-wire
(grounded) electrical outlet.
2. To Connect the Direct Wired
Thermostat Kit to the Control
Box on the Heater:
a. Open the control box.
b. Remove the yellow wire connected between
the 24 volt output of the transformer and
terminal W of the ignition control.
c. Remove the plastic hole plug at the back or
bottom of the control box. Run the wiring of
the thermostat kit through this hole.
d. Connect the black lead of the thermostat kit to
the 24 volt output terminal of the transformer.
e. Connect the white lead of the thermostat kit to
terminal W of the igntion control.
f. Install the strain relief (supplied on thermostat
cordset) around the cord at the entry hole of
the control box.
g. Close and latch the control box.
h. Start the heater and check for proper
operation.
Guardian LP or Natural Gas Heater
Owner's Manual • Guardian
13