19
|
Configuration
Installer and user reference guide
111
R R8T7V1B
VRV IV heat pump for indoor installation
4P499898-1A – 2020.10
1~2 min
8~10 min
10~12 min
5 HP
8 HP
b
c
b
a
a
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 (and in case of 8 HP on the compressor unit
7‑segment display). 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.
BS1 [5 s]
BS1
BS1
BS1
a
c
b
BS1 [5 s]
BS1
BS1
BS1
a
b
c
5 HP
8 HP
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.
19.2.5 To use mode 1 (and default situation)
In mode 1 (and in default situation) you can read out some information. How to do
this differs depending on the model.
Example: 7‑LEDs display – Default situation
(in case of 5 HP)
You can read out the status of low noise operation as follows:
