– 16 –
31-EN
32-EN
EN
FR
U3 U4
U1 U2
U1
U3
U2
U4
U5 U6
U1 U2
A B
U3 U4
U1 U2 U5 U6
U1 U2
A B
U1 U2
A B
U1 U2
A B
U1 U2
A B
U3 U4
U1 U2 U5 U6
U3 U4
U1 U2 U5 U6
U3 U4
U1 U2 U5 U6
U1 U2
A B
U1 U2
A B
U1 U2
A B
U3 U4
U1 U2 U5 U6
L1
L5
L6
L7
L4
L2
L3
Super modular multi system
Header
unit
Outdoor unit
Indoor unit
Header
unit
Header
unit
Follower
unit
Follower
unit
Table-5
Table-5
Table-6
Table-7
Central
control
Remote control
Remote control
Remote control
Table-5
Control wiring between indoor and outdoor units (L1, L2, L3), Central control wiring (L4)
Wiring
2-core
Type
Shielded cable
Size/Length
AWG16: Up to 3280 ft (1000 m) AWG14: Up to 6560 ft (2000 m) (*1)
(*1): Total length of control wiring length for all refrigerant circuits (L1 + L2 + L3 + L4)
Table-6
Control wiring between outdoor units (L5)
Wiring
2-core
Type
Shielded wire
Size/Length
AWG16 to AWG14 / Up to 330 ft (100 m) (L5)
Table-7
Remote control wiring (L6, L7)
Wire
2-core
Size
AWG20 to AWG14
Length
• Up to 1640 ft (500 m) (L6 + L7)
• Up 1310 ft (400 m) in case of wireless remote control in group control.
• Up to 660 ft (200 m) total length of control wiring between indoor units (L6)
Power supply for
outdoor units
Incorrect
■
Speci
fi
cations for control wiring
U1 U2
U3 U4
U1 U2 A B
A B
U2
U1
1
U
2
U
A B
B
A
1
U
2
U
A B
A B
A B
U1 U2 S U3 U4 U5 U6 S
U1 U2 S U3 U4 U5 U6 S
Header outdoor
Central control
Central control
wiring
Remote control
Remote control
Remote control
(Group control)
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Control wiring between outdoor units (Shielded wire)
Control wiring between indoor units (Shielded wire)
Control wiring between indoor and outdoor units (Shielded wire)
Follower outdoor
1. All system interconnecting and central control wiring should be 2 conductor shielded cable.
2. On the header unit the control wire shield and the central control wire shield should both be connected to the
same ground screw in the header unit.
3. The remote control wiring can be 2 conductor un-shielded cable.
4. All system interconnecting and control wiring should be sized per table 5, 6 and 7.
1117906101-1_01_EN FR.indb 16
1117906101-1_01_EN FR.indb 16
5/3/16 10:31 AM
5/3/16 10:31 AM
