Aqua tempo power series tropical air-cooled scroll chiller 50Hz MCAC-ATSM-2014-09
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2) Low pressure protection
Discharge temperature
protection.
Discharge temperature
switch is broken or joint
is loose.
Replace discharge
temperature switch, fixed
joint.
Detect leakage for all
system, append
refrigerant.
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.
The EXV, capillary and filter
are dirty, blocked and ice
blocked.
Inform the customer
service center.
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.
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.
Replace the pressure controller,
fixed joint.