15
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Electrical installation
15.1.4 Component electrical specifications
Installer and user reference guide
52
You can use a single switch to supply power to units on the same system. However,
branch switches and branch circuit breakers MUST be selected carefully.
Fit the power supply wiring of each unit with a switch and fuse as shown in the
drawing below.
Complete system example
c
d
b
b
a VRV outdoor unit
b VRV indoor unit
c Power supply
d Main switch
e Controller
Model
Power supply
Voltage
Frequency
MCA (A)
MFA (A)
Fan motor
P (kW)
0.08×2 0.08×2 0.11×2 0.21×2 0.21×2 0.21×4 0.21×4
FLA (A)
0.62×2 0.83×2 1.12×2 1.76×2 1.96×2 1.76×4 1.96×4
MCA Minimum Circuit Amps
MFA Maximum Fuse Amps
P Motor Rated Load
FLA Full Load Amps
NOTICE
When using residual current operated circuit breakers, make sure to use a high
speed type 300 mA rated residual operating current.
a
e
e
350
500
650
220~240 V ± 10%.
1.56
2.08
2.80
6
6
6
800
1000
1500
50/60 Hz
4.39
4.90
8.78
6
6
16
VAM350~2000J*VEB*
Heat reclaim ventilation unit
4P664012-1A – 2024.01
2000
9.80
16