To Connect The External Outputs - Daikin VRV 5 S Series Installer And User Manual

20.3 To connect the external outputs

RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1D – 2023.02
a b
a Knockout hole
b Burr
c Sealant etc.
10 Reattach the service cover. See
11 Connect an earth leakage circuit breaker and fuse to the power supply line as
specified in "20.1.6 Specifications of standard wiring
SVS output
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).
X2M
a SVS output terminals (1 and 2)
b Cable to SVS output device
Voltage
Maximum current
Wire size
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:
X2M b
1
2
a
+
d
–
a SVS output terminal
b DC power supply
c Relay
d Surge killer diode
c
"17.2.3 To close the outdoor
b
a
SVS connection requirements
Only use harmonised wire providing double
insulation and suitable for 220~240 V
2-core cable
Minimum cable section of 0.75 mm²
+
24 V DC 240 V AC
–
e
f
c
20 Electrical installation
|
4
unit" [ 76].
4
components" [ 111].
<40 VDC
0.025 A
+
–
Installer and user reference guide
115