Handleiding
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5.1.11 Heat Recovery Water Temperatures inverted
This alarm is generated any time that the heat recovery entering water temperature is lower than the leaving by 1°C and
at least one compressor is running.
Symptom
Cause
Solution
Bell icon is moving on controller’s
display.
Bell icon is moving on controller’s
display.
String in the alarm list:
Unit HRInvAl
String in the alarm log:
± Unit HRInvAl
String in the alarm snapshot
Unit HRInvAl
Entering and leaving water
temperature sensors are inverted.
Check cabling of the sensors on the
unit controller.
Check offset of the two sensors with
the water pump running
Entering and leaving water pipes are
reversed
Check if the water flows in counter
flow respect to refrigerant.
Water pumps operate reverse.
Check if the water flows in counter
flow respect to refrigerant.
Reset
Notes
Local HMI
Network
Auto
5.1.12 Evaporator differential pressure transducer sensor fault
This alarm is generated any time the differential pressure transducer on the evaporator is broken.
Symptom
Cause
Solution
Unit status is On
Bell icon is moving on controller’s
display.
String in the alarm list:
EvapPDSen
String in the alarm log:
± EvapPDSen
String in the alarm snapshot
EvapPDSen
Sensor is broken.
Check for sensor integrity according
to table and allowed Volts or Amps
range.
Check correct sensors operation
Sensor is shorted.
Check if sensor is shorted with a
resistance measurement.
Sensor is not properly connected
(open).
Check for absence of water or
humidity on electrical contacts.
Check for correct plug-in of the
electrical connectors.
Check for correct sensors wiring also
according to electrical scheme.
Reset
Notes
Local HMI
Network
Auto
5.1.13 System load differential pressure transducer sensor fault
This alarm is generated any time the differential pressure transducer on the evaporator is broken.
Symptom
Cause
Solution
Unit status is On
Bell icon is moving on controller’s
display.
String in the alarm list:
LoadPDSen
String in the alarm log:
± LoadPDSen
String in the alarm snapshot
LoadPDSen
Sensor is broken.
Check for sensor integrity according
to table and allowed Volts or Amps
range.
Check correct sensors operation
Sensor is shorted.
Check if sensor is shorted with a
resistance measurement.
Sensor is not properly connected
(open).
Check for absence of water or
humidity on electrical contacts.
Check for correct plug-in of the
electrical connectors.
Check for correct sensors wiring also
according to electrical scheme.
Reset
Notes
Local HMI
Network
Auto
5.1.14 Switch Box Temperature High
This alarm is generated any time the switch box internal temperature exceeds a predetermined limit.
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Productinformatie
| Merk | Daikin |
| Model | EWAH670TZXRB2 |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 11657 MB |
