16 Electrical installation
Installation and operation manual
32
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600329-1E – 2023.02
X2M
X1M
V1
a
b
c
X4M
b
c
a
Y1
X2M
X1M
a
Interconnection cable
b
Power supply cable
c
Cable tie
WARNING
Do NOT strip the outer cable jacket lower than the fixation
point on the stop valve attachment plate.
MAX
MAX
5
Choose one of the 3 possibilities to route the cables through the
frame:
b
b
b
2
3
1
a
a
a
a
Interconnection cable
b
Power supply cable
6
Remove the selected knockout holes by tapping on the
attachment points with a flat head screwdriver and a hammer.
7
Install a cable protection in the knockout hole:
▪ It is recommended to install a PG type cable gland in the
knockout hole.
▪ When you do not use a cable gland, protect the cables with
vinyl tubes to prevent the edge of the knockout hole from
cutting the wires:
a
b
A
B
c d
e
A
Inside of the outdoor unit
B
Outside of the outdoor unit
a
Cable
b
Bush
c
Nut
d
Frame
e
Tube
8
Route the cables out of the unit.
WARNING
Avoid sharp edges when routing cables to the rear. Make
sure to route the cables through the left side of the
accumulator foot when passing through the tunnel:
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.
9
Reattach the service cover. See
23].
10
Connect an earth leakage circuit breaker and fuse to the power
supply line as specified in
"16.2 Specifications of standard
16.4
To connect the external outputs
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).
a
b
X2M
a
SVS output terminals (1 and 2)
b
Cable to SVS output device
SVS connection requirements
Voltage
<40 VDC
Maximum current
0.025 A