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Air cooled inverter water chiller
OPERATION
MANUAL
Operation Manual
66
EWAD TZ B 160-700
Air cooled inverter water chiller
D-EOMAC00909-16EN
Bell icon is moving on controller’s
display.
String in the alarm list:
UnitOffEvapWaterFlow
String in the alarm log:
UnitOffEvapWaterFlow
String in the alarm snapshot
UnitOffEvapWaterFlow
Check the flow switch calibration and
adapt to minimum water flow.
Check if pump impeller can rotate
freely and has no damages.
Check pumps protection devices
(circuit breakers, fuses, inverters,
etc.)
Check flow switch connections.
6.1.4.8 Evaporator Water Freeze Protect alarm
This alarm is generated to indicate that the water temperature (entering or leaving) has dropped
below a safety limit. Control tries to protect the heat exchanger starting the pump and letting the
water circulate.
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:
UnitOffEvapWaterTmpLo
String in the alarm log:
UnitOffEvapWaterTmpLo
String in the alarm snapshot
UnitOffEvapWaterTmpLo
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 condition into the
evaporator.
Sensors readings (entering or
leaving) are not properly calibrated
Check the water temperatures with a
proper instrument and adjust the
offsets
6.1.4.9 Heat Recovery Water Freeze Protect alarm
This alarm is generated to indicate that the heat recovery water temperature (entering or leaving)
has dropped below a safety limit. Control tries to protect the heat exchanger starting the pump and
letting the water circulate.
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 HRFreeze
String in the alarm log:
UnitOff HRFreeze
String in the alarm snapshot
UnitOff HRFreeze
Water flow too low.
Increase the water flow.
Inlet temperature to the heat recovery
is too low.
Increase the inlet water temperature.
Sensors readings (entering or
leaving) are not properly calibrated
Check the water temperatures with a
proper instrument and adjust the
offsets
6.1.4.10 External alarm
This alarm is generated to indicate that an external device whose operation is linked with this unit
operation. This external device could be a pump or an inverter.
Symptom
Cause
Solution
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 |
