MCAC-ATSM-201704 Aqua Tempo Super II Series DC Inverter Air-cooled chiller unit (50Hz)
36
14.4 Typical malfunction solutions
1) High pressure and discharged temperature protection
Yes
No
No
Yes
Yes
Yes
Yes
Yes
High pressure and
discharged protection.
No
No
Yes
Yes
Yes
Yes
No
No
No
No
High pressure protection.
Blower stops rotating or rotates in
reversed direction in cooling mode,
water pump is not open or the flow.
Couldn’t start the EXV.
Pressure controller is broken
or the joint is loose.
Fin heat exchange
in cooling mode is too
dirty or aged, or too heavy encrustation in
EXV, capillary and filter are
dirty, blocking.
Discharge temperature
rotection.
See the analysis of
discharge temp. protection
malfunction.
Inspect fan motor and
capacitor (1phase) or
start u
.
Replace EXV or coil.
Replace press controller,
fixed joint.
Clean heat exchanger.
Replace EXV, capillary
and filter.
There is air and filled refrigerant
too much in system.(Generally
occur after maintenance.)
PCB mistakes to alarm.
Empty, vacuuming and
append refrigerant if
necessar
.
Check if it happened
frequently, if yes, please
replace PCB.
Inform the customer
service center.
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