Handleiding
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EWWQ090G ÷ EWWQ720L - R410a - Water-cooled scroll chillers
EWLQ090G ÷ EWLQ720L - R410a - Condenser less
EWHQ100G ÷ EWHQ400G - R410a - Heat pump scroll chillers
EWAQ- - R410a - Air-cooled scroll chillers
EWAQ-G - R410a - Air-cooled scroll chillers
EWYQ- - R410a - Air-cooled scroll heat pumps
Air and Water cooled scroll chillers & heat pump
Operation
Manual
Operation Manual
56
EWWQ - EWLQ - EWHQ
EWAQ - EWYQ
Air or Water cooled scroll chiller &
heat pump
D-EOMHW00106-15EN
UnitOff CndEntWTempSen
String in the alarm snapshot:
UnitOff CndEntWTemp Sen
Check for correct plug-in of the
electrical connectors.
Check for correct sensors wiring
according with wiring diagram.
6.1.2.4 Condenser Leaving Water Temperature (CLWT) sensor fault (W/C only)
This alarm is generated any time the input resistance is out of an acceptable range.
Symptom
Cause
Solution
Unit status is Off.
All circuits are stopped with a normal
shutdown procedure.
Bell icon is moving on controller’s
display.
Led on the button 2 of External HMI is
blinking
String in the alarm list:
+UnitOff CndLvgWTempSen
String in the alarm log:
UnitOff CndLvgWTempSen
String in the alarm snapshot:
UnitOff CndLvgWTemp Sen
Sensor is broken.
Check for sensor integrity.
Check correct sensors operation
according information about kOhm
(k) range related to temperature
values.
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
according with wiring diagram.
6.1.2.5 Outside Air Temperature (OAT) sensor fault (A/C only)
This alarm is generated any time the input resistance is out of an acceptable range.
Symptom
Cause
Solution
Unit status is Off.
All circuits are stopped with a normal
shutdown procedure.
Bell icon is moving on controller’s
display.
Led on the button 2 of External HMI is
blinking
String in the alarm list:
+UnitOff AmbTempSen
String in the alarm log:
UnitOff AmbTempSen
String in the alarm snapshot:
UnitOff AmbTemp Sen
Sensor is broken.
Check for sensor integrity.
Check correct sensors operation
according information about kOhm
(k) range related to temperature
values.
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
according with wiring diagram.
6.1.3 Unit Rapid Stop Alarms
The unit is immediately stopped. All the running circuits will stop rapidly without performing the
normal shutdown procedure.
6.1.3.1 EXV drive circuit #1/#2 communication fail alarm (W/C only)
This alarm is generated in case of communication problems with the EXV driver of circuit #1 or
circuit #2 identified respectively with labels EEXV-1 and EEXV-2.
Symptom
Cause
Solution
Unit status is Off.
All circuits are stopped immediately.
Bell icon is moving on controller’s
Module has no power supply
Check the power supply from the
connector on the side of the module.
Check if LEDs are both green.
Bekijk gratis de handleiding van Daikin EWAQ-G-SS, 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 | EWAQ-G-SS |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 11467 MB |
