To Use Mode 1 - Daikin RXYSQ4T8VB Series Installer And User Reference Manual

20 | Configuration

20.2.5 To use mode 1

Installer and user reference guide
102
Turn on the power supply of the outdoor unit and all indoor units. When the
communication between indoor units and outdoor unit is established and normal,
the display indication state will be as below (default situation when shipped from
factory).
a Power ON
b Default situation
c LED indication when there is a malfunction
If the default situation is not displayed after 10~12 minutes, check the malfunction
code on the indoor unit user interface. Solve the malfunction code accordingly.
First, check the communication wiring.
Switching between modes
Use BS1 to switch between the default situation, mode 1 and mode 2.
a
b
a Default situation (H1P OFF)
b Mode 1 (H1P flashing)
c Mode 2 (H1P ON)
BS1 Press BS1.
BS1 [5 s] Press BS1 for at least 5 s.
INFORMATION
If you get confused in the middle of the process, press BS1 to return to the default
situation.
In mode 1 (and in default situation) you can read out some information.
Example: 7‑LEDs display – Default situation
You can read out the status of low noise operation as follows:
#
1 Make sure the LEDs are showing
the default situation.
a
10~12 min
b
c
c
Action Button/display
(H1P OFF)
RXYSQ4~6T8V/YB
VRV IV-S system air conditioner
4P482277-1B – 2020.10