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4.10.2 Current Limit
Current limit function allows to control unit power consumption taking current drawn below a specific limit. If external
digital signal is triggered, the function Current Limit is activated, and the user can set a Current Limit Setpoint defined
through the HMI or BAS communication.
If Flexible Current Limit Option is activated, by Commissioning → Configuration → Options → Flex
Current Limit, 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.
All info about this function are reported in the Main Menu → View/set Unit → Power Configuration →
Current Limit page.
4.10.3 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)
To set the desired setpoint-reset strategy, go to Main Menu → Commission Unit → Configuration → Options
and modify the Setpoint Reset parameter, according to the following table:
Parameter
Description
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
Parameter
Description
Unit
Current
Actual Chiller Current
Current
Limit
Active Current Limit
Current
Setpoint
Current Setpoint.
Overwrite by external 4-
20 mA signal if Flex Curr
Limit is activated.
Current
Limit [A]
Flexible
Current
Limit [mA]
4
20
Current Limit
Setpoint
Bekijk gratis de handleiding van Daikin EWAH990TZXRB2, 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 | EWAH990TZXRB2 |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 11657 MB |
