51
Low suction pressure
Shortage of refrigerant
Air through condenser to cold
Air through evaporator
restricted
Evaporator needs defrosting
Too much compressor oil in
the system
Expansion valve closed to
much (too high superheat)
Expansion valve partially
closed by ice or dirt
Restricted line on low side
Restricted dryer
Gauge out of calibration
Evaporator fan not operating
Compressor pressure
regulating valve misadjusted
Unit operating in vacuum
Shortage of refrigerant
Air through evaporator
restricted
Evaporator needs defrosting
Expansion valve partially
closed by ice or dirt
Restricted line on the low
side
Restricted line on the high
side
Sight Glass empty
No refrigerant
Shortage of refrigerant
Air through evaporator
restricted
Evaporator needs defrosting
Expansion valve open too
much (too low superheat)
No refrigerant
Содержание Zer0 120
Страница 1: ...Zer0 120 0WSMZ120 Workshop Manual ...
Страница 15: ...8 Figure 1 Z120 Condensing Section Components ...