Troubleshooting; Wiring Diagram - Mr. Heater MH530FAERT Operating Instructions And Owner's Manual

Troubleshooting

Unit does not work
Unit runs continuously
Elements are on but motor does not
rotate
Enclosure is extremely hot
Desired room temperature cannot be reached
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
•Defective thermostat or wrong thermostat setting
•Open circuit breaker or fuse
•Thermal overload switch has been tripped
•Damaged or defective plug or outlet
•Defective thermostat or wrong thermostat setting
•Heat losses higher than unit capacity (unit undersized)
•Defective Motor
•Blocked fan blades
•Defective thermal protection
•Blocked air vents
•Defective motor
• One or more elements are defective
• Defective thermostat or wrong thermostat setting
• Voltage lower than that written on Rate tag
• Heat losses higher than unit capacity (unit undersized)
• Defective thermostat or blocked inlet or outlet (HLS tripped)
• Defective Motor (slow motor operation)
Operating Instructions and OwnerÊs Manual
5
SWITCH DETAILS