NEVER LEA
NEVER LEA
NEVER
Troubleshooting
Unitdoesnotwork
Heating coils runscontinuously
Elementsareonbutmotordoesnot
rotate
Enclosureisextremelyhot
Desiredroomtemperaturecannotbereached
Overheating
WARNING: USE ONLY MANUFACTURER'S REPLACEMENT PARTS. USE OF ANY OTHER PARTS COULD CAUSE INJURY OR
DEATH. REPLACEMENT PARTS ARE ONLY AVAILABLE DIRECT FROM THE FACTORY AND MUST BE INSTALLED BY A QUALIFIED SER-
VICE AGENCY.
WIRING DIAGRAM MH530FAERT/MH530FAET
MH530FAERT/MH530FAET CIRCUIT DIAGRAM
Mr. Heater Forced-Air Electric Construction Heater
LEAVE THE HEA
VE THE
VE THE HEA
HEATER UNA
TER
TER UNA
•Defectivethermostatorwrongthermostatsetting
•Opencircuitbreakerorfuse
•Thermaloverloadswitchhasbeentripped
•Damagedordefectiveplugoroutlet
•Defectivethermostatorwrongthermostatsetting
•Heatlosseshigherthanunitcapacity(unitundersized)
•DefectiveMotor
•Blockedfanblades
•Defectivethermalprotection
•Blockedairvents
•Defectivemotor
•Oneormoreelementsaredefective
•Defectivethermostatorwrongthermostatsetting
•VoltagelowerthanthatwrittenonRatetag
•Heatlosseshigherthanunitcapacity(unitundersized)
•Defectivethermostatorblockedinletoroutlet(HLStripped)
•DefectiveMotor(slowmotoroperation)
UNATTENDED WHILE BURNING!
TTENDED WHILE BURNING!
TTENDED WHILE BURNING!
5
Operating Instructions and Owner's Manual
SWITCH DETAILS