Thermo Pride CLHS1-050P36N Installation And Operation Manual page 43

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
MALFUNCTION OR DEVIATION FROM THE NORMAL OPERATION.
TO USE THIS DIAGRAM, YOU JUST NEED TO FOLLOW THE INSTRUCTIONS IN THE BOXES.
TURN THERMOSTAT TO CALL FOR HEAT
DOES THERMOSTAT MAKE CONTACT?
IS ROOM TEMPERATURE
Yes BELOW THERMOSTAT
SETTING?
IS THE TRANSFORMER
SUPPLYING 24 VOLTS
TO THE THERMOSTAT?
REPLACE
THERMOSTAT
Yes
IS THE INDUCER
BLOWER OPERATING?
TROUBLESHOOTING GUIDE
No
ABOVE 90 DEGREES F?
Yes
COOL THE THERMOSTAT
No
ARE WIRES CONNECTED
Yes
IS INTERNAL DAMAGE
REPLACE TRANSFORMER
No
Yes
No
IS ROOM
TEMPERATURE
Yes
PROPERLY?
Yes
PRESENT ON THE
TRANSFORMER?
Yes
IS THERE 24 VOLTS
ACROSS "TH" & "TR"
AT THE INTEGRATED
CONTROL MODEL?
Yes
43
No
TURN T'STAT
SETTING ABOVE
ROOM TEMP.
No CORRECT WIRE
CONNECTIONS
CHECK INPUT
No
POWER, DOOR
INTERLOCK,
SERVICE SWITCH
AND FUSES.
No CHECK FOR
CONTINUITY
& PROPER
CONNECTIONS