Toshiba Carrier MMK-AP0157HPUL Manuel D'installation page 24

Power supply wire
Recommended wire diameter and wire length for power supply wire.
Power supply wiring
Electric characteristics

Model
MMK-AP0157HPUL
MMK-AP0187HPUL
MMK-AP0247HPUL
Control wire
Control wiring between indoor units, and outdoor unit
(2-core shielded wire)
Remote control wiring
2-core with non-polarity wire is used for wiring of the remote control wiring and group remote controls wiring.
Remote control wiring, remote control inter-unit wiring
Total wire length of remote control wiring and remote control
inter-unit wiring = L + L1 + L2 + ... Ln
Total wire length of remote control inter-unit wiring = L1 + L2 + ... Ln
Remote
control
wiring
NOTE
Use copper supply wire.
Use UL wire rated 600 V for the power supply.
Use UL wire rated 300 V for the remote control wires and control wires.
CAUTION
The remote control wire (Communication line) and AC208 / 230 V wires cannot be parallel to contact each
other and cannot be stored in the same conduits. If doing so, a trouble may be caused on the control system
due to noise or other factor.
23-EN
Power Supply
208/230V-1-60Hz
Indoor unit Indoor unit
L
L1
Remote
Remote control inter-unit wiring
control
Wire size: 2 × AWG12
Ground 1 × AWG12 or thicker
Voltage Range (V)
Min Max
187 253
(Up to 3280'10ʺ (1000 m)) AWG16
Wire size
(Up to 6561'8" (2000 m)) AWG14
Wire size: AWG20
In case of wired type only
In case of wireless type included
Indoor unit
L2
(Max. 8 units)
– 23 –
Installation Manual
Up to 164'1" (50 m)
MCA MOCP
(A) (A)
0.38 15
0.41 15
0.60 15
Up to 1640'5ʺ (500 m)
Up to 1312'4ʺ (400 m)
Up to 656'2ʺ (200 m)
Indoor unit
Ln