Midea Aqua Tempo Super MC-SP25-RN1L, Technical & Service Manual, Page: 84 / 153

MCAC-ATSM-201606 Aqua Tempo Super Series air cooled scroll chiller unit (50Hz)
82
4) Inlet &outlet water temperature difference protection
5) Low ambient temperature starting up protection
6) Low temperature anti-freezing protection of cooling evaporator
Inlet &outlet water temperature
difference protection.
Low temperature anti-freezing
protection
of cooling
evaporator.
Inform the customer service
center.
Yes
Replace PCB.
Replace temperature
sensor.
Refer to the water flow
malfunction to analysis.
Yes
Yes
Yes
No
No
No
Water flow is lower.
The outlet water temperature
sensor or inlet water temperature
sensor brought drifting when
collect temperature.
PCB mistakes to alarm.
Replace temperature
sensor.
Replace PCB.
Inform the customer service
center.
PCB mistakes to alarm.
Yes
Yes
Yes
Yes
No
No
Water flow is slow.
Yes
Refer to the water flow
malfunction to analysis.
Replace temperature
sensor.
Replace PCB.
Anti-freezing temperature sensor of
cooling evaporator brought drifting
when collect temperature value.
Yes
PCB mistakes to alarm.
Inform the customer service
center.
No
No
No
Low ambient temperature starting
protection in cooling mode.
Yes
Ambient temperature sensor
brought drifting when collect
temperature value.