Specifications For Field Supplied Fuses And Wires; Opening The Switch Box - Daikin VAM-J8 Installation And Operation Manual

12 Electrical installation
12.2 Specifications for field supplied
fuses and wires
Power supply wiring
Field supplied fuses
Wire
Size Wire size MUST comply with the applicable
Transmission wiring
Wiring
Size
Precautions
When connecting more than one wire to the power supply wiring,
use a 2 mm² (Ø1.6 mm) gauge wire.
When using 2 power wires of a gauge greater than 2 mm²
(Ø1.6 mm), branch the line outside the terminal board of the unit, in
accordance with electrical equipment standards. The branch MUST
be sheathed to provide a degree of insulation equal to or greater
than the power supply wiring itself.
Keep the total current of crossover wiring between indoor units to
less than 12 A.
Do NOT connect wires of different gauge to the same grounding
terminal. Loose connections may reduce the protection.
For the controller wiring, refer to the installation manual of the
controller delivered with the controller.
Wiring example
a
b
d
Out
1 2
L N
VRV
L N 1 2 1 2
P1 P2 F1 F1 T1 T1
c
e
P1
P2
VRV
g
a Outdoor unit/BS unit
b Switch box
c Indoor unit
d Power supply 220-240 V~50/60 Hz
e Controller for VRV
f Transmission wiring
g Controller for VAM
Use shielded cable for the transmission wiring. Ground the shield of
the shielded cable to at the grounding screw, with the C-cup
washer.
Installation and operation manual
14
6 A/16 A
H05VV-U3G
legislation.
Sheathed wire (2 wire)
0.75~1.25 mm²
d
L N
HRV
P2 P1 F1 F2 JC J1 J2 J3 L N
f
P1 P2
HRV
f
P1 P2
WARNING
The VAM and the EKVDX indoor unit MUST share the
same electrical safety devices and power supply.
12.3

Opening the switch box

CAUTION
Before opening the cover, be sure to turn off the power
switches of the main units and other devices connected to
the main units.
▪ Remove the screws that secure the cover and open the
switch box.
▪ Secure the power supply cable and the control wire
with a tie wrap, as shown in the figures.
Models 350~650
n
a
J3 J2 J1JC
X33A
X14A
p
b
b
C-
C+
k
m
r
o
h
F2F1P2P1
g
o
X35A
X24A j
X29A
f
i
l
m
d+e
VAM350~2000J8VEB
Heat reclaim ventilation unit
4P664011-1 – 2021.08