20
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Electrical installation
Installer and user reference guide
136
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
20.4 To finish the interconnection wiring
After installing the interconnection wiring, wrap it along with the onsite refrigerant
piping using finishing tape, as shown in the illustration below.
d
b
e
a
d
a
c
f
a
Liquid piping
b
Gas piping
c
Equalising piping
d
Finishing tape
e
Interconnection cable (F1/F2)
f
Insulation
20.5 To route and fix the power supply
NOTICE
When routing earth wires, secure clearance of 25 mm or more away from
compressor lead wires. Failure to observe this instruction properly may adversely
affect correct operation of other units connected to the same earth.
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
5~12 HP
14~20 HP
A
A
d
d
d
d
A
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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