Refrigeration System Diagnosis Guide; Freeze Cycle - U-Line ADA24R User Manual

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REFRIGERATION SYSTEM DIAGNOSIS GUIDE

System Suction
Condition Pressure
Normal Normal
Overcharge Higher than
normal
Undercharge Lower than
normal
Partial Somewhat
Restriction lower than
normal -
in vacuum
Complete In deep
Restriction vacuum
No Gas 0 PSIG to 25"
ICE MAKER OPERATING CYCLES

Freeze Cycle

Temperature control terminals 2 and 3 are closed.
ON
OFF
black
SWITCH
black
LIMIT
SWITCH
black
Suction Compressor
Line Discharge
Slightly below Very hot
room
temperature
Very cold - Slightly warm
may frost to hot
heavily
Warm - Hot
near room
temperature
Warm - Very hot
near room
temperature
Room Room
temperature temperature
(cool) (cool)
Room Cool to hot
temperature
(cool)
black
FAN
MOTOR
COMP.
OVER
START
LOAD
RELAY
WATER
C FILL
NC
SWITCH
black
orange
black
MOLD HEATER
Condenser Capillary
Tube
Very hot Warm
Hot to warm Cool
Warm Warm
Top passes warm Room
lower passes temperature
cool (near room (cool) or colder
temperature due
to liquid
Room Room
temperature temperature
(cool) (cool)
Room Room
temperature temperature
(cool) (cool)
Power to the compressor.
Power to the condenser fan.
FREEZE CYCLE
black
brown
black
blue
ICE
orange
MAKER
MOTOR
black
Evaporator Wattage
Cold Normal
Cold Higher than
normal
Extremely cold Lower than
near inlet - normal
outlet below
room
temperature
Extremely cold Lower than
near inlet - normal
outlet below
room
temperature
backing up
No refrigeration Lower than
normal
No refrigeration Lower than
normal
ground
WATER
white
VALVE
HOLD
C
SWITCH
NC NO
yellow
2
TEMP.
red NO C
CONTROL
BIN
3
1
SWITCH
orange
Troubleshooting - Extended 4
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