Air-cooled modular chiller unit
69
2) Low pressure protection
Low pressure protection.
No
Discharge temperature
protection.
Discharge temperature
switch is broken or joint
is loose.
Yes
Yes
Replace
discharge
temperature switch, fixed
joint.
Yes
Yes
Yes
Yes
No
No
No
No
Detect leakage for all
system,
append
refrigerant.
Refrigerant is too less.
Replace the EXV or coil.
Cause of dirty and
blocked, replace the
EXV, capillary and filter.
Vacuuming and append
refrigerant if ice blocked.
Check
if
happened
frequently, if yes, please
replace PCB.
Couldn‟t open the EXV.
The EXV, capillary and filter
are dirty, blocked and ice
blocked.
PCB mistakes to alarm.
Inform the customer
service center.
Refrigerant is too less.
Inspect leakage in system,
append refrigerant.
Replace the EXV and coil.
Cause of dirty and blocked,
replace the EXV, capillary and
filter. Vacuuming and append
refrigerant if ice blocked.
Inspect if the water flow is
normal, refer to the water flow
malfunction to analysis.
Couldn‟t open the EXV.
The EXV, capillary and filter are
dirty, blocked and ice blocked.
The pressure controller is
broken or joint is loose.
Anti-freezing lower pressure
protection.
Inform the customer service
center.
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Replace the pressure controller,
fixed joint.
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...
