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SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09
Symbol
ZF, Z*F
Specific SV unit wiring diagram legend
Symbol
EVSG
EVSL
X15A
Notes
1
This wiring diagram applies to the SV unit only.
2
Symbols:
: terminal block
: connector
: field wiring
: earth terminal
3
For wiring for the terminal block on X2M ~ X6M (operation), see the
installation manual attached to the product.
4
For X15A (A1P), remove the short circuit connector and connect the air
conditioner stop signal (optional product) when using the drain up kit
(optional product). For details, see the operation manual attached to the
kit.
5
The capacity of the contact is 220~240V AC-0.5A.
6
Digital output: max 220~240V AC-0.5A. To use this output, see the
installation manual.
7
The factory settings of DIP switch (DS1, DS2) are as follows:
Model
A1P
SV1A
DS1
ON
OFF
1
2
3
4
A1P
SV4A
DS1
ON
OFF
1
2
3
4
A1P
SV6A
DS1
ON
OFF
1
2
3
4
A1P
SV8A
DS1
ON
OFF
1
2
3
4
To set the DIP switches (DS1~2) and push buttons (BS1~3), see the installation
manual
Noise filter
Electronic expansion valve (gas shut-off
valve)
Electronic expansion valve (liquid shut-
off valve)
Connector (drain up kit abnormal signal)
DS1, DS2 factory settings
DS2
ON
OFF
1
2
3
4
DS2
ON
OFF
1
2
3
4
A2P
DS2
DS1
ON
ON
OFF
OFF
1
2
3
4
1
2
3
4
1
A2P
DS2
DS1
ON
ON
OFF
OFF
1
2
3
4
1
2
3
4
1
23
Technical data
|
Meaning
Meaning
DS2
ON
OFF
2
3
4
DS2
ON
OFF
2
3
4
Installer and user reference guide
123
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Troubleshooting
