Vaillant VA 6-050 MXNHDI, Installation Manual, Page: 31 / 41

Multi Split Type Installation Manual
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2.3 Access the indoor unit PCB
2.4 Change the position of DIP 7 of SW01 from OFF to
ON, following the table XY below.
Warning!
If dip switch SW01 is not turned to ON, the
address setting will not work.
2.5 In order to set the corresponding address from 1 to
4, please change the DIP 6 to 8 from SW02, following
the table XY below.
14.4 Address setting for Wall Indoors V 10 by using
the remote and the LCD display board
• Power all units.
• Put the indoor unit in “Stand By” mode by pressing the
“OFF” button.
• For each unit, the following steps should be followed:
• Press the emergency button for 15 seconds as shown
in figure 13.1 and you will hear 4 beeps.
Release the emergency button.
• Switch on the indoor unit with the remote control
by pressing the “ON” button. The LCD display board
will display number “1”. When the unit switches on, it
automatically goes into direction setup mode.
• To set the direction of the indoor unit, just press the
“SLEEP” button. Depending on the number of times
you press it, the setup will vary:
• By pressing once, the direction is “1” and the LCD
display board shows “1”
• By pressing twice, the direction is “2” and the LCD
display board shows “2”
• By pressing three times, the direction is “3” and the
LCD display board shows “3”
• By pressing four times, the direction is “4” and the
LCD display board shows “4”
• Switch off the unit using the “OFF” button and the
direction will be set
• This process should be repeated for each indoor unit.
14 Communication between the Indoor and Outdoor Units