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Installation and Operation Manual of Mini Chiller
compressor are damaged.
4. Water pump
doesn’t operate or
operate
A、 Error on power or wiring
●Check reason and repair
B、 Error on relay
●Exchanger relay
C、 There is gas in water pipe
●Exhaust all gas
A、 Freon in cooling system
●Check and repair and recharge
abnormally
Freon.
leaks
B、 Heat preservation of water
5. Cooling effect
is bad.
●Strengthen heat preservation
pipe is bad.
C、 Water flow quantity is not
●Clean water filter
enough
D、 Heavy dust on condenser
●Clean condenser
E、 Cooling system blocked
●Check or change dry filter
6.Compressor
frequently on and
off.
A、 Too much refrigerant
●Exhaust some refrigerant
B、 Circulation of water system
●Water system is blocked or there is
air. Check water pump, valve, pipeline,
is bad.
C、 Low load
clean water filter or exhaust air.
●Adjust load or increase energy store
facility.
7. Refrigerate
system
low-pressure
switch on/off is
working
frequently.
8.Compressor
operates but unit
doesn’t cool.
●Check and repair and recharge
A、 Freon leakage on system
refrigerant.
and refrigerant shortage.
B、 Dry filter is blocked
●Change dry filter
C、 Error on heat expand
●Check if expanse valve is blocked,
temp. sensor is leaking, then repair or
valve.
change.
D、 Water system circulation
●Check water system and solve.
is bad.
A、 All refrigerant is leaked
B、 Freeze
evaporator
freeze.
●Check, repair and charge refrigerant
is
●Check reason and remove freezing
●Change compressor
C、 Compressor error
8. Terminal Facilities and Selection Guideline
Mini-chiller Terminal Facilities are mainly for the heat exchanger facilities installed
indoor, Usually it is fan coil with several models. Such as horizontal invisible fan coil,
horizontal visible fan coil, vertical visible fan coil, suspending fan coil and so on. User can
select different type of fan coil according to house structure and indoor decoration style.
Normally, we recommend selecting horizontal invisible fan coil, because it is in smaller
dimension and can be concealed well, it is easy for indoor decoration. At the same time, its
noise is lower, and it is relatively cheaper. Suggestions are as following:
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