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Trouble
Frozen Evaporator
7. Operating Instructions
7.1. Parts Identification
7.1.1. Main Unit
7.1.1.1. Vertical Airflow Direction Vane
Check
-
Temperature setting.
-
Air Filter/Evaporator.
-
Temperature difference
and running current.
Result
-
Set too low for ambient
conditions.
-
Clogged or Dirty.
-
REFER TO
PERFORMANCE
EVALUATION
Cause
-
Outdoor temperature
low (Night time).
-
Restricted air
circulation.
-
Leakage of refrigerant
or refrigeration system
is blocked.
Remedy
-
Set the Main
knob to Fan to
and set the
Temperature Control
higher temperature.
-
Clean Air
filter/Evaporator.
-
Locate and repair
-
Flush refrigeration
cycle.
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