Vintage Cellars Wine Guardian Water-Cooled Cooling System - Manual (Page 49)

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Problems Controlling Cellar Humidity
Humidity Too Low or Supply Air is Too Cold, Without Optional
Humidifier
Possible Cause Solution
Not enough evaporator airflow Remove blockage in supply or return ductwork
Check and clean filter and coil
Coil frozen – shut off unit for two hours
Defective Thermal Expansion Valve If under warranty call for service
If not under warranty call a refrigeration
technician
Humidity Too Low, Without Optional Humidifier
Possible Cause Solution
No moisture being added to cellar Add Wine Guardian humidifier or a room
humidifier
Humidity Too Low and With Optional Humidifier
Possible Cause Solution
Humidifier not operating Check wiring for loose, broken or
frayed connections
Check humidistat set up
Check for water flow & solenoid valve operation
Check damper operation
Humidifier operating Check for water being hot
Check drip pad – replace if scaled
No vapor barrier around cellar
Humidity Too High When Unit is Running But Not Cooling
Possible Cause Solution
Compressor not operating Check and reset high limit switch
Clear blockage of condenser airflow
Ambient temperature is too high Reduce temperature or draw condenser air from
another space