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Air cooled inverter water chiller
OPERATION
MANUAL
Operation Manual
78
EWAD TZ B 160-700
Air cooled inverter water chiller
D-EOMAC00909-16EN
Circuit status is Off.
The circuit is stopped.
Bell icon is moving on controller’s
display.
String in the alarm list:
Cx OffOverVoltage
String in the alarm log:
Cx OffOverVoltage
String in the alarm snapshot
Cx OffOverVoltage
Chiller main power supply had an up
peak which caused the trip.
Check if main power supply is within
the acceptable tolerance for this
chiller
Main power supply setting on the
Microtech III is not suitable with the
power supply in use.
Measure the power supply to the
chiller and select the proper value on
the Microtech III HMI.
6.1.7.16 Undervoltage Alarm
This alarm indicates that chiller supply voltage exceeded the minimum limit which allows proper
operations of the components.
Resolution of this fault requires a direct intervention on the power supply of this unit.
Direct intervention on the power supply can cause electrocution, burns or even death. This action
must be performed only by trained persons. In case of doubts contact your maintenance company.
Symptom
Cause
Solution
Circuit status is Off.
The circuit is stopped.
Bell icon is moving on controller’s
display.
String in the alarm list:
Cx OffUnderVoltage
String in the alarm log:
Cx OffUnderVoltage
String in the alarm snapshot
Cx OffUnderVoltage
Chiller main power supply had a down
peak which caused the trip.
Check if main power supply is within
the acceptable tolerance for this
chiller
Main power supply setting on the
Microtech III is not suitable with the
power supply in use.
Measure the power supply to the
chiller and select the proper value on
the Microtech III HMI.
6.1.7.17 Compressor VFD OverTemp
This alarm indicates that the Inverter temperature has exceeded a safety limits and the inverter has
to be stopped in order to avoid damages to components.
Symptom
Cause
Solution
Circuit status is Off.
The circuit is stopped.
Bell icon is moving on controller’s
display.
String in the alarm list:
CxCmp1 OffVfdOverTemp
String in the alarm log:
CxCmp1 OffVfdOverTemp
String in the alarm snapshot
CxCmp1 OffVfdOverTemp
Insufficient motor cooling
Check refrigerant charge.
Check if operational envelope of the
unit is respected.
Check operation of the cooling
solenoid valve
Motor temperature sensor could not
operate properly.
Check the readings of the motor
temperature sensor and check the
Ohmic value. A correct reading
should be around hundreds of Ohm at
ambient temperature.
Check the electrical connection of the
sensor with the electronic board.
6.1.7.18 VFD Over Current
This alarm indicates that the Inverter current has exceeded a safety limits and the inverter has to
be stopped in order to avoid damages to components.
Symptom
Cause
Solution
Circuit status is Off.
The circuit is stopped.
Bell icon is moving on controller’s
display.
String in the alarm list:
The ambient temperature is too high.
Check the unit selection to see if the
unit can operate at full load.
Check if all fans are operating
properly and are able to keep the
condensing pressure at the proper
Bekijk gratis de handleiding van Daikin EWAD620TZPLB, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Daikin |
| Model | EWAD620TZPLB |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 11976 MB |
