Types Of Control Cables - Mitsubishi Electric CITY MULTI PKFY-P NLMU Série Manuel D'installation

6. Electrical work
B A
1
M1 M2 M1 M2
TB3 TB5
2 B
M1 M2
TB3 TB5
3
Pair No.
Pair No.
Fig. 6-3
A
S 1 2 M1 M2 S 1 2
TB15 TB5 TB15
C C
A A
M1 M2 S M1 M2 S
TB5
C C

6.3. Types of control cables

1. Wiring transmission cables
Types of transmission cable Shielding wire
Use UL wire rated 300 V
Cable diameter More than 1.25 mm² (AWG16)
Length Less than 200 m, 219 yard
2. M-NET Remote control cables
Shielding wire
Types of remote control cable
Use UL wire rated 300 V
Cable diameter 0.5 (AWG20) to 1.25 mm² (AWG16)
Add any portion in excess of 10 m, 33 ft to within
Length the longest allowable transmission cable length
200 m, 219 yard.
3. MA Remote control cables
2-core cable (unshielded)
Types of remote control cable
Use UL wire rated 300 V
Cable diameter 0.3 (AWG22) to 1.25 mm² (AWG16)
Length Less than 200 m, 219 yard
6.4. Connecting remote controller, indoor and
outdoor transmission cables (Fig. 6-3)
• Connect indoor unit TB5 and outdoor unit TB3. (Non-polarized 2-wire) The "S"
on indoor unit TB5 is a shielding wire connection. For specifications about the
connecting cables, refer to the outdoor unit installation manual.
• Install a remote controller following the manual supplied with the remote controller.
• Connect the remote controller's transmission cable within 10 m, 33 ft, using a
0.75 mm (AWG18) core cable. If the distance is more than 10 m, 33 ft, use a
2
1.25 mm (AWG16) junction cable.
2
1 MA Remote controller
• Connect the "1" and "2" on indoor unit TB15 to a MA remote controller. (Non-
polarized 2-wire)
• DC 9 to 13 V between 1 and 2 (MA remote controller)
2 M-NET Remote controller
• Connect the "M1" and "M2" on indoor unit TB5 to a M-NET remote controller.
(Nonpolarized 2-wire)
• DC 24 to 30 V between M1 and M2 (M-NET remote controller)
3 Wireless remote controller
• When more than two units are run under group control using wireless remote
controller, connect TB15 each with the same number.
• To change Pair No. setting, refer to installation manual attached to wireless re-
mote controller. (In the default setting of indoor unit and wireless remote control-
ler, Pair No. is 0.)
A Terminal block for indoor transmission cable
B Terminal block for outdoor transmission cable (M1(A), M2(B),
C Remote controller
D Wireless signal receiver
E Wireless remote controller
(S))
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