Toshiba Carrier MCY-MAP0607HS-UL Manual de instalação - Página 16
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Keep the rule of the following tables about size and length of communication wiring.
Central
control
U1
U2
U3
U4
U3 U4
U3 U4
Outdoor unit
U1 U2
U1 U2
L1
U1 U2
U1 U2
Indoor unit
A B
A B
Table-3
Remote control
Remote control
Table-1
Control wiring between indoor and outdoor units (L1, L2, L3), Central control wiring (L4)
Wiring
2-core, non-polarity
Type
Shield wire
AWG16: Up to 3280 ft (1000 m)
Size / Length *1
AWG14: Up to 6560 ft (2000 m) (*1)
*1 Total of control wiring length for all refrigerant circuits ( L1 + L2 + L3 + L4 )
Table-2
Control wiring between outdoor units (L5) (Other system)
Wiring
2-core, non-polarity
Type
Shield wire
Size / Length
AWG16 to AWG14 / Up to 330 ft (100 m) (L5)
Table-3
Remote control wiring (L6, L7)
Wiring
2-core
Size
AWG20 to AWG14
• Up to 1640 ft (500 m) (L6 + L7)
Length
• 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)
EN-29
This system
Table-1
L4
U3 U4
U1 U2 U5 U6
Table-1
L
2
U1 U2
U1 U2
U1 U2
U1 U2
U1 U2
A B
A B
A B
A B
A B
L7
L7
L6
Remote control
– 15 –
Group control through a remote control
Group control of multiple indoor units (8 units) through a single remote control
Other system
Header
Follower
unit
unit
Remote control
U3 U4
U1 U2 U5 U6
Connection of power wires and communication wires
Table-2
L5
Remove knockouts on the piping / wiring panel or the base and insert the power wires and communication wires
through the holes with the refrigerant piping.
L
3
U1 U2
U1 U2
A B
A B
L6
NOTE
Separate the power wire and communication wires.
Indoor unit No.1
No.2
No.3
No.4
A
B
A
B
A
B
A
B
(A.B)
Knockout for the refrigerant piping
Installation Manual
No.7
No.8
A
B
A
B
EN-30