Daikin UATYA-B, Operation Manual

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Service manual Daikin R32 Rooftops UATYA-B
ESIE21-02 – 2021.03
5 FAQ
5.1 Frequently Asked Questions
The necessary instructions for working on the controller, with regard to the main functions of the unit, are given below.
5.2 Switching the unit on and off
5.2.1 Switch the unit on and off from the display.
Use the “On/Off” icon on the main screen to go to the page where the buttons to start and stop the unit are featured.
The top area of the screen shows the status of the unit: the “On/Off” icon is provided in the central area.
A tap on the icon changes the status of the unit from “on” to “off” and vice versa.
5.2.2 Switch the unit on and off from external OK signal
In order to switch the unit on and off from external OK signal, make sure the feature is active.
To switch the unit on, close the external OK signal. To switch it off, open it.
The external OK signal should be connected to terminals "1" and "56" in the terminal board.
In order to switch the unit on and off from external OK signal, make sure the feature is active.
To switch the unit on, close the external OK signal. To switch it off, open it.
The external OK signal should be connected to terminals "1" and "2" present in the terminal board.
The external OK signal must be a potential-free contact.
5.2.3 Switch the unit on and off from the BMS
In order to switch the unit on and off from the BMS, make sure the feature is active.
See dedicated BMS management document.
5 Faq