Toshiba SUPER MMY-MAP0501T8 Instruction Manual page 8

6
ELECTRIC WIRING
Design of control wiring
1. All control wiring is 2-core and non-polarity wire.
2. Be sure to use shield wire for the following wiring to prevent noise trouble.
• Outdoor-outdoor / indoor-indoor / outdoor-indoor control wiring, Central control wiring.
Central control
device
U1 U2
U3 U4
Header
unit
U3 U4
Outdoor unit
U1 U2 U5 U6
L1
U1 U2
Indoor unit
A B
Remote
controller
Table-1 Control wiring between indoor and outdoor units (L1, L2, L3),
Central control wiring (L4)
Wiring
Type
Size
Length
Note (*1) : Total of control wiring length for all refrigerant circuits ( L1 + L2 + L3 + L4 )
Table-2 Control wiring between outdoor units (L5)
Wiring
Type
Size
Length
Table-3 Remote controller wiring (L6, L7)
Wire
Size
Length
Super modular multi system
Header Follower
unit unit
U3 U4 U3 U4
U1 U2 U5 U6 U1 U2 U5 U6
L2
U1 U2 U1 U2
A B A B
Table-3
Remote controller
2-core, non-polarity
Shield wire
1.25 mm² : Up to 1000 m
2.0 mm² : Up to 2000 m (*1)
2-core, non-polarity
Shield wire
1.25 mm² to 2.0 mm²
Up to 100 m (L5)
2-core
0.5 mm² to 2.0 mm²
• Up to 500 m ( L6 + L7 )
• Up 400m in case of wireless remote controller in group control.
• Up to 200m total length of control wiring between indoor units ( L6 )
Table-1
L4
Follower Follower
unit unit
U3 U4 U3 U4
U1 U2 U5 U6 U1 U2 U5 U6
L5
U1 U2 U1 U2
A B A B
5
Header Follower
unit unit
U3 U4 U3 U4
U1 U2 U5 U6 U1 U2 U5 U6
Table-1 Table-2
L3
U1 U2 U1 U2
A B A B
L7
L6
Remote controller
U1 U2
A B