Viking VCWC524-SG33A User Manual & Service Manual page 45

USER GUIDE
Defrost
This unit defrosts, by default, every 12 hours of compressor runtime for 45 minutes. If you have verified that
the unit does not have an ambient air leak, refer to the Control Operation - Service section and adjust unit to
defrost every 9 hours for 60 minutes. Also, adjust the #2 thermistor to -4 instead of 0.
Defrost
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