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Air cooled inverter water chiller
OPERATION
MANUAL
Operation Manual
44
EWAD TZ B 160-700
Air cooled inverter water chiller
D-EOMAC00909-16EN
communication, user can decrease the real limit using an external 4-20mA signal as indicate in the
graph below. With 20 mA real current limit is set to Current Limit Setpoint, whereas with 4 mA
signal the unit is unloaded until minimum capacity.
5.1.6.3 Setpoint Reset
The setpoint reset function overrides the chilled water temperature selected through the interface,
when certain circumstances occur. This feature helps in reducing energy consumption optimizing
comfort as well. Three different control strategies can be selected:
Setpoint Reset by Outside Air Temperature (OAT)
Setpoint Reset by an external signal (4-20mA)
Setpoint Reset by Evaporator ΔT (Return)
The following setpoints are available through this menu:
Setpoint Reset
Set the Setpoint Reset mode (None, 4-20 mA, Return, OAT)
Max Reset
Max Setpoint Reset (valid for all active modes)
Start Reset DT
Used on Setpoint Reset by Evaporator DT
Max Reset OAT
See Setpoint Reset by OAT Reset
Strt Reset OAT
See Setpoint Reset by OAT Reset
Setpoint Reset by OAT Reset
The active setpoint is calculated applying a correction which is a function of ambient temperature
(OAT). As temperature drops below the Start Reset OAT (SROAT), LWT setpoint is gradually
increased until OAT reaches the Max Reset OAT value (MROAT). Beyond this value, the LWT
setpoint is increased by the Max Reset (MR) value.
4
20
Flexible Current Limit [mA]
Current Limit [A]
Current Limit Setpoint
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Productinformatie
Merk | Daikin |
Model | EWAD495TZPLB2 |
Categorie | Airco |
Taal | Nederlands |
Grootte | 11976 MB |