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Installation
Installer and user reference guide
35
FXFQ20~125BVEB
VRV system air conditioner
4P561452-1B – 2021.07
a
Stranded conductor wire
b
Round crimp-style terminal
▪
Use the following methods for installing wires:
Wire type
Installation method
Single-core wire
c b
c
a
a
A
AA´
A´
a
Curled single-core wire
b
Screw
c
Flat washer
Stranded conductor wire
with round crimp-style
terminal
c b
b
a
c
a
B
B
a
Terminal
b
Screw
c
Flat washer
Allowed
NOT allowed
Tightening torques
Wiring
Screw size
Tightening torque
(N•m)
Interconnection cable
(indoor↔outdoor)
M4
1.18~1.44
User interface cable
M3.5
0.79~0.97
6.4.4 Specifications of standard wiring components
Component
Class
20~40
50
63
80
100
125
Power supply
cable
MCA
(a)
0.5 A
0.6 A
0.7 A
1.2 A
1.3 A
1.4 A
Voltage
220~240 V
Phase
1~
Frequency
50/60 Hz
Wire sizes
1.5 mm
2
(3‑core wire)
H07RN-F (60245 IEC 66)
Transmission wiring
For specification refer to the installation manual
of the outdoor unit
User interface cable
0.75 to 1.25 mm
2
(2‑core wire)
H05RN-F (60245 IEC 57)
Length ≤500 m