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Haier CI0193AANB Installation, Operation And Technical Manual page 33

Air cooled semi-hermetic screw chiller
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Discharging pressure
too high
Discharging pressure
is too low
unit
Oil supply abnormal
3.
power cable is loose
4.
condensing temperature too high
5.
abnormal power cable result in the
voltage unbalance
6.
overload relay damaged, ambient
temperature too high
1.
there is non-condensing gas in the
system
2.
too much refrigerant
3.
discharging stop valve not open
4.
air outlet temperature of condenser
too high
1.
condensing
temperature
adjusted properly
2.
suction stop valve not open fully
3.
lack of refrigerant
4.
suction pressure too low
1.
oil filter inlet is blocked
2.
liquid type refrigerant enters the oil
segregator
3.
oil pressure gauge is not correct
4.
oil lever too low
33
HAIER CHILLER
3.
check all the connection and tighten
them
4.
lower the discharging pressure
5.
check the power voltage, do not start up
the compressor until the trouble is
eliminated
6.
improve the ventilation to get good
radiator
1.
discharge the non-condensing gas
2.
extract the redundant refrigerant
3.
open the discharging stop valve
4.
check if the installation is proper and
the fin is blocked
not
1.
check the condenser control and
operation process
2.
open the suction stop valve
3.
check the leakage and maintain, charge
the refrigerant
1.
clean
2.
check the electric heater, adjust the
overheat value of expansion valve.
Check the liquid supply solenoid valve
to adjust the water flow
3.
modify or change, close the valve. Open it
until there is reading.
4.
add the oil

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