Handleiding
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Air cooled inverter water chiller
OPERATION
MANUAL
EWAD TZ B 160-700
Air cooled inverter water chiller
D-EOMAC00909-16EN
Operation Manual
51
5.3 Compressor Capacity Control
Once a compressor is started, capacity will be modulated according to thermostat control
requirements. However, there are some limitations which override the capacity control in order to
prevent the chiller from abnormal running conditions. These preventions are summarized below:
Minimum Capacity
High Water Temperature
Low Evaporating Pressure
High Condensing Pressure
High VFD Current
High Discharge Temperature
5.3.1.1 High Water Temperature Limit
The only prevention that can activate at unit level will limit the maximum unit capacity to 80% when
the leaving water temperature exceeds 25°C. This condition will be displayed at circuit level to
indicate the capacity limitation.
Symptom
Cause
Solution
Unit maximum capacity equal to 80%
Leaving Evaporator water temperature
higher than 25°C
Wait until the water temperature drops
below 25°C
Is the circuit required to start?
Valve preopening
Compressor start
Adjust capacity
Is a capacity adjustment required or is a preventive logic
active?
N
N
Wait thermostat command
Shutdown signal for thermostat or alarm?
Pumpdown of circuit then switch compressor off
N
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Productinformatie
| Merk | Daikin |
| Model | EWAD620TZPLB |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 11976 MB |
