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MCAC-ATSM-2014-09 R410a tropical air-cooled scroll chiller unit 60Hz
Troubleshooting 117
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
temp.
difference protection.
Low temp. anti-freezing
protection
of
cooling
evaporator.
Inform the customer service center.
Yes
Replace PCB.
Replace temp. sensor.
Refer to the water flow
malfunction to analysis.
Yes
Yes
Yes
No
No
No
Water flow is lower.
The outlet water temp. sensor
or inlet water temp. sensor
brought drifting when collect
temp.
PCB mistakes to alarm.
Replace temp. 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 temp. sensor.
Replace PCB.
Anti-freezing temp. sensor of
cooling
evaporator
brought
drifting when collect temp.
value.
Yes
PCB mistakes to alarm.
Inform the customer service
center.
No
No
No
Low ambient temp. starting
protection in cooling mode.
Yes
Ambient temp. sensor brought
drifting when collect temp.
value.
Summary of Contents for MGBT-D25W/DN1
Page 34: ...R410a tropical air cooled scroll chiller unit 60Hz MCAC ATSM 2014 09 4 3 MGBT F120W DN1...
Page 38: ...R410a tropical air cooled scroll chiller unit 60Hz MCAC ATSM 2014 09 5 3 MGBT F120W DN1...
Page 47: ...MCAC ATSM 2014 09 R410a tropical air cooled scroll chiller unit 60Hz Capacity tables 47...
Page 50: ...R410a tropical air cooled scroll chiller unit 60Hz MCAC ATSM 2014 09...
Page 56: ...R410a tropical air cooled scroll chiller unit 60Hz MCAC ATSM 2014 09...
Page 60: ...R410a tropical air cooled scroll chiller unit 60Hz MCAC ATSM 2014 09 88...