Defrost - Marvel MPWD424 Owner's Manual

Defrost

This unit defrosts every 4 hours of compressor runtime for 45 minutes. If you have verified that the unit does
not have an ambient air leak, utilize the Control Operation - Service section and adjust unit to defrost every
3 hours for 60 minutes. Also, adjust the #2 thermistor to -4 instead of 0.
Defrost
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