Toshiba MMY-MAP0806HT8P-E Installation Manual page 73

Be sure to keep the rule of below tables about size and length of communication wiring.
Central
control
controller
Super modular multi system
U1 U2
U3 U4
Header Header
unit unit
U3 U4 U3 U4
Outdoor unit
U1 U2 U5 U6 U1 U2 U5 U6 U1 U2 U5 U6
L1
Table-1
Table-1
U1 U2 U1 U2 U1 U2
Indoor unit
A B A B
Table-3
Remote controller Remote controller
Table-1 Communication wiring between indoor and outdoor units (L1, L2, L3), Central control wiring (L4)
Wiring 2-core, non-polarity
Type Shield wire
Size/Length 1.25 mm 2 : Up to 1000 m/2.0 mm
(*1): Total length of Communication wiring length for all refrigerant circuits (L1 + L2 + L3 + L4)
Table-2 Communication wiring between outdoor units (L5)
Wiring 2-core, non-polarity
Type Shield wire
Size/Length 1.25 mm to 2.0 mm
2
Table-3 Remote controller wiring (L6, L7)
Wiring 2-core, non-polarity
Size 0.5 mm 2 to 2.0 mm
• Up to 500 m (L6 + L7)
Length • Up 400 m in case of wireless remote controller in group control.
• Up to 200 m total length of communication wiring between indoor units (L6)
143-EN
1117101201-3 EN.indd 72 1117101201-3 EN.indd 72
Table-1
L4
Header
Follower Follower
unit
unit unit
U3 U4 U3 U4 U3 U4
U1 U2 U5 U6 U1 U2 U5 U6 U1 U2 U5 U6
L5 Table-2
Table-1
Table-2
L 2 L 3
U1 U2 U1 U2 U1 U2 U1 U2
A B A B A B A B A B
L7
Table-3 L6
Remote controller
2 : Up to 2000 m (*1)
/Up to 100 m (L5)
2
2
¿ Group control through a Remote Controller
Group control of multiple indoor units (8 units) through a single remote controller switch
Indoor unit
No.1
A B
Follower
(A.B)
unit
Remote controller
U3 U4
Connection of power wires and communication wires
Remove knockouts on the piping/wiring panel on the front of the unit and the panel on the bottom to get the power
and communication wires through the holes.
U1 U2
A B
Table-3
NOTE
Be sure to separate the power wire and communication wires.
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No.2 No.3 No.4 No.7
A B A B A B A B
Piping/wiring panel
Knockout for the
Knockout for the power
communication wire
supply wire
Knockout for the power
wire
No.8
A B
144-EN
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