18
|
Electrical installation
Installer and user reference guide
118
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11
18.4 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
18.5 To route and fix the power supply
The power supply wiring can be routed from the front and left side. Fix it to the
lower mounting hole.
c
X1M
a
b
a
c
d
X1M
b
8~12 HP
14~20 HP
A
A
A
d
d
d
d
a
Power supply (possibility 1)
(a)
b
Power supply (possibility 2)
(a)
c
Power supply (possibility 3)
(a)
. Use conduit.
d
Tie wrap
(a) Knockout hole has to be removed. Close the hole to avoid small animals or dirt from
entering.
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