Air-cooled modular chiller unit
70
2) Current protection
3) High temperature protection of condenser
High temperature protection of
condenser.
Yes
Clean heat exchanger.
Check the fan motor,
capacitor (1 phase) or
start up water pump.
Empty, vacuuming and
append refrigerant if
necessary.
Check power supply,
start up the unit after
normal power supply.
Replace PCB.
Inform the customer service
center.
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Abnormal power supply.
Air is in system, filled too much
refrigerant(Generally happened
after maintenance.)
PCB mistakes to alarm.
Yes
Yes
The fin of heat exchanger is
dirty or aged in cooling mode.
Clean heat exchanger.
Replace PCB.
Replace
temperature
sensor.
Check the fan motor,
capacitor (1 phase).
Replace
installation
position of unit.
PCB mistakes to alarm.
No
The installation position of unit
results in bad heat transfer of
condenser.
Yes
Yes
Yes
Yes
No
In cooling mode, the fan motor
stop running, reversal and run
slowly.
The temperature sensor of
condenser bring drifting when
collect temperature.
No
No
No
Inform the customer service
center.
Current protection
The fin of heat exchanger is
dirty or aged in cooling mode,
or the shell and tube scaled
strong.
The fan motor stopped running
in cooling mode, reversal and
run slowly. The water pump
didn‟t start up or less water
flow in heating.
Summary of Contents for MCCDH30A-TA3SL
Page 37: ...Air cooled modular chiller unit 37 MCCH65A SA3L...
Page 38: ...Air cooled modular chiller unit 38 MCCD65A SA3L...
Page 40: ...Air cooled modular chiller unit 40 MCCH130A SA3L...
Page 41: ...Air cooled modular chiller unit 41 185 kW module...
Page 46: ...Air cooled modular chiller unit 46 130 kW module...
Page 48: ...Air cooled modular chiller unit 60 200kW module...
Page 78: ...Air cooled modular chiller unit 78 65kW module 130kW module...
Page 153: ...Air cooled modular chiller unit Fig 4 70 Fig 4 71...
