Guidelines When Knocking Out Knockout Holes - Daikin VRV 5 RXYA8A7Y1B Installer And User Manual

20 | Electrical installation

20.1.3 Guidelines when knocking out knockout holes

Installer and user reference guide
128
a a
B
A
a Outdoor unit
b Indoor unit + SV unit
c Indoor unit (direct connection)
d Main line
e Branch line 1
f Branch line 2
g Branch line 3
h Branch line 4
i No branch is allowed after branch
j Central user interface (etc...)
A Outdoor/indoor interconnection wiring
B Master/slave interconnection wiring
NOTICE
Sheathed and shielded cables are required for interconnection wiring between
outdoor unit and SV unit.
Example:
a
d
b
B
h i
c
a Field power supply (with earth leakage protector)
b Main switch
c Earth connection
d Outdoor unit
e Indoor unit
f User interface
g SV unit
h Circuit breaker
i Fuse
j Cool/heat selector
To punch a knockout hole, hit on it with a hammer.
j
e
b
f
b
i
b
g
b
i
b
h
c
i
c
d
c
j
f
c
g
h
i
e
f
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12