Midea Aqua Tempo Super II Series Technical & Service Manual page 41

Aqua Tempo Super II Series DC Inverter Air-cooled chiller unit (50Hz)
4) Inlet &outlet water temperature difference protection
Inlet &outlet water temperature
difference protection.
Water flow is lower.
The outlet water temperature
sensor or inlet water temperature
sensor brought drifting when
collect temperature.
PCB mistakes to alarm.
Inform the customer service
center.
5) Low ambient temperature starting up protection
Low ambient temperature starting
protection in cooling mode.
Ambient temperature sensor
brought drifting when collect
temperature value.
PCB mistakes to alarm.
Inform the customer service
center.
6) Low temperature anti-freezing protection of cooling evaporator
Low temperature anti-freezing
protection of cooling
Water flow is slow.
Anti-freezing temperature sensor of
cooling evaporator brought drifting
when collect temperature value.
PCB mistakes to alarm.
Inform the customer service
center.
Yes
No
No
No
Yes
No
No
evaporator.
Yes
No
No
No
Yes
Refer to the water flow
malfunction to analysis.
Yes
Replace temperature
sensor.
Yes
Replace PCB.
Yes
Replace temperature
sensor.
Yes
Replace PCB.
Yes
Refer to the water flow
malfunction to analysis.
Yes
Replace temperature
sensor.
Yes
Replace PCB.
39
MCAC-ATSM-201704