17 | Configuration
Installer and user reference guide
108
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09
This setting is only to be used during the test run of the SV unit when a ventilated
enclosure is used as a safety measure of the SV unit and an external alarm is added
as an additional measure. During the SV unit test run, which is started by setting
[2-3] to "1", the external fan and external alarm are both active. To disable the
external alarm during the airflow rate measurements, change setting [2-10] to "1".
Once the SV unit test run is finished (setting [2-3] changed to "0"), setting [2-10]
automatically returns to its default value "0".
[2-10]
(a)
External alarm output forced OFF
0 (default) Disable
1 Enable
(a)
Set ONLY on the LEFTMOST main PCB (A1P) of the SV unit.
17.1.9 Mode 2: default field settings
The table below shows the default field settings for A1P and A2P (A2P only for
SV6A and SV8A).
In case of wrong field settings made during the configuration process, it is
recommended to revert to the default field settings and then restart the
configuration.
Field setting Description Value
A1P A2P
[2-0] SV unit clustering 0 0
[2-1] SV unit cluster number 0 0
[2-2] SV unit cluster configuration 0 0
[2-3] Simulate refrigerant leak 0 0
[2-4] SV unit safety measures 1 0
[2-6] Completion of commissioning check 0 1
[2-7] Ventilated enclosure safety measure 1 0
[2-8] Address value to SV unit for supervisor
remote controller
0 0
[2-9] Address value to SV unit for error handling 0 0
[2-10] External alarm output during SV unit test run 0 0
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