Daikin SV1A25AJV1B User Reference And Installation Manual page 106

17 | Configuration
Installer and user reference guide
106
The same setting is required for all SV units, even if no safety measures are
installed. The test run of the outdoor unit checks if all SV units of the system have
"1" as a value for this setting. If not, the 7-segment display of the outdoor unit
shows an error.
(a)
[2-6]
0 (default)
1
(a)
Set ONLY on the LEFTMOST main PCB (A1P) of the SV unit.
[2-7]
Setting to enable or disable the ventilated enclosure safety measure of the SV unit.
▪ Choose value "1" if the ventilated enclosure is a necessary safety measure.
▪ Choose value "0" if only an external alarm is required.
See "13.3 To determine the required safety
(a)
[2-7]
0
1 (default)
(a)
Set ONLY on the LEFTMOST main PCB (A1P) of the SV unit.
[2-8]
Setting to assign an address value to the SV unit for the supervisor remote
controller.
In case supervisor remote controllers are used in the system, it is necessary to
assign an address value to the SV unit.
▪ Assign a different address to different SV units.
▪ Use address values that are NOT used in the system elsewhere (e.g. indoor
units).
▪ Do not use address 00. The supervisor remote controller does not display errors
from SV units with address 00.
(a)
[2-8]
00~FF (address in HEX
format)
(a)
Set ONLY on the LEFTMOST main PCB (A1P) of the SV unit.
Example
A1P
e
A1P A2P
a
e b e
A1P Main PCB 1
A2P Main PCB 2
a Outdoor unit
b SV6A unit
c SV4A unit
d SV8A unit
e Address value for supervisor remote controller assigned to main PCB
Interconnection wiring
Commissioning check
measures" [
Ventilated enclosure
Address for supervisor remote controller
A2P
d
e
A1P
c e
Incomplete
Completed
4
45].
Disable
Enable
Description
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09