19
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Electrical installation
Installer and user reference guide
97
RXYSQ4~6T8V/YB
VRV IV-S system air conditioner
4P482277-1B – 2020.10
Connecting to the
frame
When cables are routed from the unit, a protection
sleeve for the conduits (PG insertions) can be
inserted at the knockout hole.
When you do not use a wire conduit, protect the
wires 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
Wire
b
Bush
c
Nut
d
Frame
e
Hose
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.
7
Reattach the service cover. See
8
Connect an earth leakage circuit breaker and fuse to the power supply line.
19.3 To finish the transmission wiring
After installing the transmission wires inside the unit, wrap them along with the on-
site refrigerant pipes using finishing tape, as shown in figure below.
a
b
c
d
e
a
Liquid pipe
b
Gas pipe
c
Insulator
d
Transmission wiring (F1/F2)
e
Finishing tape