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8.7 Fan Speed Display (7)
This button allows the user to view the actual percentage speed of Supply and Return fans.
To display the actual percentage speed of AHU fans follow these steps:
1. Press the Fan Speed button
2. Navigate through Supply fan and Return fan (if present) visualization by pr or
– buttons
3. To return to the main screen page either press the Home button
or wait for 5 seconds
8.8 Summer/Winter changeover (8)
This button allows the user to change AHU Summer/Winter state (or Cool/Heat state).To change the Summer/Winter
state follow these steps:
1. Press the Summer/Winter changeover button
2. Navigate through the different available states by pr or
– buttons
3. Confirm the change of state by pressing for at least 1 second the Confirm button
4. To return to the main screen page without taking any action, either press the Home button
or wait for 5
seconds
NOTE! When the icon
appears on the Room Unit main screen, the Su/Wi change source on the main
controller is set on Auto or Pursuit and Summer/Winter mode cannot be changed via Room Unit. For
more details see Summer/Winter state section.
8.9 Mounting instructions
-
The room unit receives its power from the connected controller via the 2-wire interface (low voltage, SELV). The room
unit must be connected to the controller with an unscreened two -core twisted pair cable.
