11
Maintenance
Troubleshooting
Replace the fan motor and fan blade
•
Remove the front panel, rear and cabinet.
•
Locate the fan motor, unplug the lines connected to the fan motor, loosen the screws of the bracket that
holds the fan motor.
•
Replace a new one, If you only need to replace the fan blade, loosen the screws holding the fan blade,
take out the damaged fan blade, replace with a new one.
•
Reverse the above steps to reassemble.
Replace the hot gas valve, drier and evaporator
•
Remove the rear cover.
•
Locate the drier and hot gas valve, add low side access valve, recover refrigerant, replace the drier and hot
gas valve, evacuate and weigh in the nameplate charge.
•
Reverse the above steps to reassemble.
•
If you need to replace the evaporator.
•
Remove the rear, locate the evaporator, add the low side access valve, open the process/suction, weld
open the two welds, replace a new one. Recover refrigerant, evacuate and weigh in the nameplate charge.
•
Reverse the above steps to reassemble.
BEFORE MAINTENANCE
• Make sure the user uses a 115 VAC, 60Hz. only 15amp electrical supply, and make sure that it is properly
grounded to protect the maintainer against electrical shock.
•
Check out if the leads loose? Turn off? Short circuit? If you have such problems, foreclose in turn.
ELECTRICAL SHOCK HAZARD
Turn the unit off and unplug it before
beginning to remove any parts.
