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"
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:
Summary of Contents for VRV 5-S Series
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