Daikin VRV 5-S Series - 20.3 Connecting External Outputs

20 | Electrical installation
Installer and user reference guide
110
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
NOTICE
Precautions when making knockout holes:
▪ Avoid damaging the casing and underlying piping.
▪ After making the knockout holes, we recommend to remove the burrs and paint
the edges and areas around the edges using repair paint to prevent rusting.
▪ When passing electrical wiring through the knockout holes, wrap the wiring with
protective tape to prevent damage.
b
c
a
a Knockout hole
b Burr
c Sealant etc.
10 Reattach the service cover. See "21.2To close the outdoor unit"[4115].
11 Connect an earth leakage circuit breaker and fuse to the power supply line.
20.3 To connect the external outputs
SVS
The SVS output is a contact on terminal X2M that closes in case a leak is detected,
failure or disconnection of the R32 sensor (located in the indoor unit).
a
b
X2M
a SVS output terminals (1 and 2)
b Cable to SVS output device
Specifications of the SVS output
Maximum voltage <40VDC
Maximum current 0.025A
Polarity of terminal 1 +
Polarity of terminal 2 –
It is mandatory to use a surge killer to protect the internal circuit of the outdoor
unit PCB (e.g. a separate surge killer diode or a relay with a built-in surge killer
diode).
Example: