19
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Electrical installation
Installer and user reference guide
92
RXYSQ4~6T8V/YB
VRV IV-S system air conditioner
4P482277-1B – 2020.10
e
d
F1/F2
(16 V)
F1/F2
(16 V)
220-240 V
1~ 50 Hz
c
a
Y
V
b
220-240 V
1~ 50 Hz
380-415 V
3N~ 50 Hz
a
Main switch
b
Earth connection
c
Power supply wiring (including earth) (shielded cable)
F1/F2
Transmission wiring (shielded cable)
V
Outdoor unit (RXYSQ4~6_V)
Y
Outdoor unit (RXYSQ4~6_Y)
d
Indoor unit
e
User interface
19.1.3 Guidelines when knocking out knockout holes
NOTICE
Precautions when making knockout holes:
▪
Avoid damaging the casing.
▪
After making the knockout holes, we recommend you 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.
19.1.4 Guidelines when connecting the electrical wiring
Keep the following in mind:
▪
If stranded conductor wires are used, install a round crimp-style terminal on the
end of the wire. Place the round crimp-style terminal on the wire up to the
covered part and fasten the terminal with the appropriate tool.
b
a
a
Stranded conductor wire
b
Round crimp-style terminal
▪
Use the following methods for installing wires: