Handleiding
Je bekijkt pagina 58 van 68
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
58
EWWQ - EWLQ - EWHQ
EWAQ - EWYQ
Air or Water cooled scroll chiller &
heat pump
D-EOMHW00106-15EN
or because of certain working
condition (i.e. high values of OAT);
In these cases the issue can be
related with the sizing of power
cables.
There is a short-circuit on the unit.
Check for correct electrical isolation
condition of each unit’s circuit with a
Megger tester.
6.1.3.4 Evaporator Flow Loss alarm
This alarm is generated in case of flow loss on the evaporator. This alarm protect the evaporator
against:
- Freezing: when unit works as chiller or as heat pump with water inversion
- High Pressure: when unit works as heat pump with gas inversion
Symptom
Cause
Solution
Unit status is Off.
All circuits are stopped immediately.
Bell icon is moving on controller’s
display.
Led on the button 2 of External HMI is
blinking
String in the alarm list:
+UnitOff EvpFlwAlm
String in the alarm log:
UnitOff EvpFlwAlm
String in the alarm snapshot:
UnitOff EvpFlw Alm
No evaporator water flow sensed or
water flow too low.
Check the evaporator water pump
filler and the water circuit for
obstructions.
Check the evaporator flow switch
calibration and adapt to minimum
water flow.
Check if evaporator pump impeller
can rotate freely and it has no
damages.
Check evaporator pumps protection
devices (circuit breakers, fuses,
inverters, etc.)
Check evaporator flow switch
connections.
6.1.3.5 Condenser Flow Loss alarm (W/C only)
This alarm is generated in case of water flow loss to the condenser. This alarm protect the
condenser against:
- Freezing: when unit works as heat pump with gas inversion
- High Pressure: when unit works as chiller or as heat pump with water inversion
Symptom
Cause
Solution
Unit status is Off.
All circuits are stopped immediately.
Bell icon is moving on controller’s
display.
Led on the button 2 of External HMI is
blinking
String in the alarm list:
+UnitOff CndFlwAlm
String in the alarm log:
UnitOff CndFlwAlm
String in the alarm snapshot:
UnitOff CndFlw Alm
No condenser water flow sensed
continuously or water flow too low.
Check the condenser water pump
filler and the water circuit for
obstructions.
Check the condenser flow switch
calibration and adapt to minimum
water flow.
Check if condenser pump impeller
can rotate freely and it has no
damages.
Check condenser pumps protection
devices (circuit breakers, fuses,
inverters, etc.)
Check condenser flow switch
connections.
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 |
