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6. Electrical work
I Permissible Lengths
1. Maximum line length via outdoor unit (M-NET cable):
L1+L2+L3+L4, L3+L4+L5+L6, L1+L2+L5+L6 ≤ 500 m [1640 ft] (1.25 mm² [AWG16] or more)
2. Maximum transmission cable length between indoor and outdoor unit. (M-NET cable):
L1 and L3+L4 and L2+L5 and L6 ≤ 200 m [656 ft] (1.25 mm² [AWG16] or more)
3. MA Remote controller cable length:
m1 and m1+m2+m3 and m1+m2+m3+m4 ≤ 200 m [656 ft] (0.3 to 1.25 mm² [AWG22 to AWG16])
I Constraint items
OC
(51)
TB3
TB7
M1 M2 S
M1 M2 S
D
OC
(53)
TB7
TB3
M1 M2 S
M1 M2 S
Power Supply
*2
Unit
M1 M2 S
System
controller
M1 M2 S
M-NET remote controller and MA remote controller cannot be connected with the CITY MULTI series indoor unit of the same group wiring together.
*1.
Never connect together the terminal blocks (TB5) for transmission wires for CITY MULTI series indoor units (M-IC) that have been connected to different outdoor units
(OC).
*2.
The earth processing of S terminal for the centralized control terminal block (TB7) is unnecessary. Connect the terminal S on the power supply unit with the earth.
A
M-IC
M-IC
(01)
(02)
TB5
TB15
TB5
TB15
M1 M2 S
M1 M2 S
1 2
1 2
A B
MA-RC
M-IC
M-IC
(04)
(03)
TB5
TB15
TB5
TB15
1 2
M1 M2 S
M1 M2 S
1 2
A B
MA-RC
B
C
( ) : Address
M-IC
M-IC
(05)
(06)
TB5
TB15
TB5
TB15
M1 M2 S
M1 M2 S
1 2
1 2
A B
A B
MA-RC
MA-RC
E
M-IC
(07)
TB5
TB15
M1 M2 S
1 2
*1
Group
A:
Group
B:
Group
C:
Shielded Wire
D:
Sub MA Remote Controller
E:
26
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