Midea MC-SU30-RN1L Technical & Service Manual

Aqua Tempo Super II Series DC Inverter Air-cooled chiller unit (50Hz) MCAC-ATSM-201704
37
2) Low pressure protection
Low pressure protection.
No
Discharge temperature
p
rotection.
Discharge temperature
switch is broken or joint
is loose.
Yes
Yes
Replace discharge
temperature switch, fixed
j
oint.
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
refri
g
erant 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.

Midea MC-SU30-RN1L Specifications

General

Brand	Midea
Model	MC-SU30-RN1L
Category	Chiller
Language	English