Installation
Instructions
2.9-2
2
Guardian SStyle CControl PPanel
1. Disconnect the heater from its electrical supply and shut
off gas to the inlet of heater.
2. Open the control panel mounted on the motor end of the
heater. You will need a standard head screwdriver, or
other tool, to turn the screw latch 90 degrees
counterclockwise.
3. Remove plastic hole plug located on the back or bottom
of the control panel.
4. Route the lead end of the thermostat cord through the
hole near the base of the heater that the power cord is
routed through or up through the bottom of the heater
nearest the control panel.
5. Route the lead end of the thermostat cord through the
hole in the back or bottom of the control panel.
6. Using a pliers or other suitable tool, secure the
thermostat cord in place within the hole with the small
plastic strain relief supplied with the thermostat kit.
Make sure you install this strain relief to prevent
abrasion and, therefore, cutting the thermostat cord
against the sheet metal edge of the hole.
7. Locate the yellow wire which runs from the 24 v. output
on transformer to terminal "W" on the hot surface
ignition control board. Remove this wire.
8. Connect the black lead of thermostat cord with
the 3/16 in. female insulated terminal to 3/16 in.
terminal on the 24 v. output side of the transformer.
9. Connect the white lead of thermostat cord with
1/4 in. uninsulated female terminal to terminal marked
"W" on the hot surface ignition control board.
10. Reconnect heater to electrical supply. Open gas valves
to inlet of heater. Turn up the thermostat
and test for proper operation. The heater will start. Turn
thermostat to desired temperature after
testing. Close and latch the control panel door.
August 1999
Plug
Strain R
Relief
Thermostat Kit