SECTION 4 - SERVICING INSTRUCTIONS
GENERAL LOCATION OF CONTROLS
Mounted on Return
Header
HL2 - High Limit
Drain Plug
Transformer
(behind panel)
AFT Thermostat
Circuit Board
Roll-Out Switch
Gas Valve
Pilot
CONTROL PANEL REMOVAL
1. Remove screw from front door. Set aside door for
serviceability.
2. Remove (4) screws from sides of control panel.
3. Rotate control panel down until panel stops. Do
not force.
NOTE: Caution must be used to not damage controls
or wiring.
KNURLED
SCREW
CONTROL ADJUSTMENTS
LCD Display
26
Mounted on In/Out
HL1 - High Limit
Temp Sensor/Well
Drain Valve
Temp Adjust Buttons
Mode Button
ON
Header
Unitherm
Governor
OFF