17 | Configuration
Installer and user reference guide
102
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09
Turn on the power supply of the SV unit, outdoor unit and all indoor units. When
the communication between SV units, indoor units and outdoor unit(s) is
established and normal, the 7‑segment display indication state will be as below
(default situation when shipped from factory).
Stage Display
Ready for operation: blank display indication as
indicated.
7‑segment display indications:
Off
Blinking
On
Access
BS1 is used to switch between the default situation, mode1 and mode2.
Access Action
Default situation
Mode 1 ▪ Push BS1 one time.
The 7‑segment display indication changes to:
.
▪ Push BS1 one more time to return to the default
situation.
Mode 2 ▪ Push BS1 for at least 5 seconds.
The 7‑segment display indication changes to:
▪ Push BS1 one more time (short) to return to the
default situation.
INFORMATION
If you get confused in the middle of the process, press BS1 to return to the default
situation.
17.1.5 To use mode 1
Mode1 is used to set basic settings and to monitor the status of the unit.
What How
Changing and accessing the
setting in mode1
1 Push BS1 one time to select mode1.
2 Push BS2 to select the required setting.
3 Push BS3 one time to access the selected
setting's value.
To quit and return to the initial
status
Push BS1.