Field Wiring: Overview; About The Electrical Wiring - Daikin VRV IV W+ Series Installer And User Reference Manual

19.1.2 Field wiring: Overview

19.1.3 About the electrical wiring

RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10
In case of heat pump system
a
d
i
c
b
a
b
c
e
h
h f
a Field power supply (with earth leakage protector)
b Main switch
c Earth connection
d Outdoor unit
e Indoor unit
f User interface
g Indoor power supply wiring (sheathed cable) (230 V)
h Transmission wiring (sheathed cable) (16 V)
i Outdoor power supply wiring (sheathed cable)
Power supply 3N~ 50 Hz
Power supply 1~ 50 Hz
Earth wiring
In case of heat recovery system
a
d
b
B
i j
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 BS unit
h Cool/heat selector
i Circuit breaker
j Fuse
Power supply 3N~ 50 Hz
Power supply 1~ 50 Hz
Earth wiring
It is important to keep the power supply and the transmission wiring separated
from each other. In order to avoid any electrical interference the distance between
both wiring should always be at least 25 mm.
d d
h h
g g
e e
h h
h h
f f
f
c
19 Electrical installation
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g
h
i
j
e
f
Installer and user reference guide
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