Manual

4
Mr. Heater Forced-Air Electric Construction Heater Operating Instructions and OwnerÊs Manual
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
SERVICE AGENCY.
English
Troubleshooting
Unit does not work •Defective thermostat or wrong thermostat setting
•Open circuit breaker or fuse
•Thermal overload switch has been tripped
•Damaged or defective plug or outlet
Unit runs continuously •Defective thermostat or wrong thermostat setting
•Heat losses higher than unit capacity (unit undersized)
Elements are on but motor does not
rotate
•Defective Motor
•Blocked fan blades
Enclosure is extremely hot •Defective thermal protection
•Blocked air vents
•Defective motor
Desired room temperature cannot be reached • 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)
Overheating • Defective thermostat or blocked inlet or outlet (HLS tripped)
• Defective Motor (slow motor operation)
WIRING DIAGRAM MH165FAET