Toshiba MMK-AP0157HPUL Service Manual page 90

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
Indoor unit
Remote
L
control
wiring
Remote
control
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.
Power Supply
208/230V-1-60Hz
Indoor unit
L1
Remote control inter-unit wiring
- 90 -
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
Ln
(Max. 8 units)
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