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- - R410a - Air-cooled scroll chillers
EWYQ- - R410a - Air-cooled scroll heat pumps
Air and Water cooled scroll chillers & heat pump
Operation
Manual
EWWQ - EWLQ - EWHQ
EWAQ - EWYQ
Air or Water cooled scroll chiller &
heat pump
D-EOMHW00106-15EN
Operation Manual
59
6.1.3.6 Evaporator Water Freeze Protect alarm
This alarm is generated to indicate that the evaporator (entering or leaving) water temperature has
dropped below a safety limit.
Symptom
Cause
Solution
Unit status is Off.
All circuits are stopped immediately.
Bell icon is moving on controller’s
display.
String in the alarm list:
+UnitOff EvpFreezeAlm
String in the alarm log:
UnitOff EvpFreezeAlm
String in the alarm snapshot:
UnitOff EvpFreeze Alm
Water flow too low.
Increase the water flow.
Inlet temperature to the evaporator is
too low.
Increase the inlet water temperature.
Flow switch is not working or no water
flow.
Check the flow switch and the water
pump.
Refrigerant temperature become too
low (< -0.6°C).
Check the water flow and filter. No
good heat exchange conditions into
the evaporator.
Sensors temperature readings
(entering or leaving) are not properly
calibrated
Check the water temperatures with a
proper instrument and adjust the
sensor offsets
6.1.3.7 Condenser Water Freeze Protect alarm
This alarm is generated to indicate that the condenser (entering or leaving) water temperature has
dropped below a safety limit.
Symptom
Cause
Solution
Unit status is Off.
All circuits are stopped immediately.
Bell icon is moving on controller’s
display.
String in the alarm list:
+UnitOff CondFreezeAlm
String in the alarm log:
UnitOff CondFreezeAlm
String in the alarm snapshot:
UnitOff CondFreeze Alm
Water flow too low.
Increase the water flow.
Inlet temperature to the condenser is
too low.
Increase the inlet water temperature.
Flow switch is not working or no water
flow.
Check the flow switch and the water
pump.
Refrigerant temperature become too
low (< -0.6°C).
Check the water flow and filter. No
good heat exchange condition into the
evaporator.
Sensors temperature readings
(entering or leaving) are not properly
calibrated
Check the water temperatures with a
proper instrument and adjust the
sensor offsets
6.1.3.8 External alarm
This alarm is generated to indicate that an external device whose operation is linked with this unit
operation. This alarm can occur only if the parameter External Alarm is set to Alarm (see section 0)
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 ExternalAlm
String in the alarm log:
UnitOff ExternalAlm
String in the alarm snapshot:
UnitOff External Alm
There is an external alarm that has
caused the opening, for at least 5
seconds, of the port on the option
module POL965 with address 18.
Check causes of the external alarm.
Check electrical wiring from unit
controller to the external equipment in
case of any external events or alarms
have been occurred.
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 |
