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Haier CI0193AANB Installation, Operation And Technical Manual page 32

Air cooled semi-hermetic screw chiller
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Compressor
operate
noisy
Compressor is noisy
and vibrates greatly
Compressor can add
or reduce the load
The interval between
compressor
and reducing load is
too short
The
compressor
heat-sensitive
protection switch is
broken down
Motor overload, relay
motor
broken down
3.overheat protection disconnection
4.contactor or solenoid valve failure
5.safety device acts, then the unit stops
6.no heat load
1.
wrong wiring
cannot
2.
low voltage
and
be
3.
starter invalid
4.
compressor damaged
1.
too much refrigerant enters the
compressor
2.
compressor damaged
1.
capacity control failure
2.
load reducing device failure
3.
the thermostat grade occurs failure or the
wire is broken down
4.
grade set not reasonable
1.
the water thermostat is abnormal
adding
2.
water flow is not adequate
1.
the operation condition exceeds the
designed range
2.
discharging valve is not open fully
3.
motor abnormal
1.
when in great load, the voltage is too
low
2.
the motor coil damaged
3.auto reset of overload protection. Before
the overheat protection resumes normal,
please eliminate the problem.
4.modify or change
5.confirm the stop type and reason. Before
the safety function has resume, please
eliminate the problem.
6.wait for the heat load
7.modify or change the solenoid valve
8.check if the motor is in short circuit, in cut
9.check all the wiring terminals, and tighten the
10.make the safety switch reset
1.
2.
3.
4.
1.
2.
1.
2.
3.
4.
1.
2.
1.change the condition to the admired range
2.open the valve
3.change the compressor
1.
2.
32
HAIER CHILLER
circuit or burnt out.
screws.
check and re-wring
check the power voltage
change
change
check the expansion valve set value
change
change
change
change
re-set
change
adjust the water flow
check if the power voltage drop is too
high
change the compressor

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