Warning
: Never apply an external source of heat to melt ice off coil.
Maintenance
– Annual Inspection of Coils and drain line is required.
1.
Unplug Unit
2.
Filter may be cleaned by
a.
Vacuuming
b.
Washing with warm, soapy water. Rinse and shake dry.
3.
Coils may be cleaned by
a.
Vacuuming the external surfaces of coil
b. Blowing compressed air from behind coils. Hold air nozzle 6” away from coil to avoid damage.
Warning
: Do not steam clean refrigerant coils.
4.
Plug in Unit
5.
Test Refrigerant Charge
a.
Confirm compressor is running and allow to run for minimum of 15 minutes
i.
If under 70°F, a layer of ice will form on evaporator coils
ii.
If over 70°F, a layer of frost or water droplets will form on coil
6.
Test Defrost System
a.
Leave unit running for approximately 30 minutes (45-55 minutes). The unit should enter a
defrost mode for approximately 5 minutes. The unit will enter a defrost mode with the
compressor operating and fan off to defrost the coil. If the unit will not defrost, either
i.
Control board may be defective
ii.
Bypass valve may be defective
7.
After routine maintenance has been completed, return humidistat to desired setting.
If any problems occur during routine maintenance, contact your contractor or the factory.
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