Air-cooled modular chiller unit
68
1
0
.3 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 exchanger in cooling mode is too
dirty or aged, or too heavy encrustation in
shell and tube for heating.
EXV, capillary and filter are
dirty, blocking.
Discharge
temperature
protection.
See the analysis of
discharge temp. protection
malfunction.
Inspect fan motor and
capacitor (1phase) or
start up the water pump.
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
necessary.
Check if it happened
frequently, if yes, please
replace PCB.
Inform
the
customer
service center.
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...
