Thermo Pride GMD1-60N Installation And Service Manual page 32

All installations and services must be performed by qualified service personnel.
THE SYSTEM IS STARTED BY SETTING THE THERMOSTAT TO CALL FOR
HEAT. THE FOLLOWING SHOULD HELP ESTABLISH THE TYPE OF
TO USE THIS DIAGRAM, FOLLOW THE INSTRUCTIONS IN THE BOXES.
NOTE: CHECK DIAGNOSTIC CODE THROUGH VIEW PORT PRIOR TO REMOVING ACCESS DOOR.
TURN THERMOSTAT TO CALL FOR HEAT
DOES THERMOSTAT MAKE CONTACT?
Yes
IS ROOM TEMPERATURE
BELOW THERMOSTAT
SETTING?
IS THE TRANSFORMER
SUPPLYING 24 VOLTS
TO THE THERMOSTAT?
Yes
REPLACE
THERMOSTAT
IS THE INDUCER
BLOWER OPERATING?
Yes
TROUBLESHOOTING GUIDE
MALFUNCTION OR DEVIATION FROM THE NORMAL OPERATION.
No
COOL THE THERMOSTAT
Yes
No ARE WIRES CONNECTED
IS INTERNAL DAMAGE
REPLACE TRANSFORMER
IS THERE 24 VOLTS
No ACROSS "TH" & "TR"
AT THE INTEGRATED
No
IS ROOM
TEMPERATURE No
ABOVE
90 DEGREES F?
Yes
PROPERLY?
Yes
PRESENT ON THE
TRANSFORMER?
Yes
CONTROL?
Yes
31
TURN T'STAT
SETTING ABOVE
ROOM TEMP.
No CORRECT WIRE
CONNECTIONS
CHECK INPUT
No
POWER, SERVICE
SWITCH AND FUSES
CHECK FOR
No CONTINUITY
& PROPER
CONNECTIONS