Toshiba MMU-AP0091H Installation Manual page 93

For Indoor unit power supply (The outdoor unit has a separate power supply.)
Model
All models of indoor units
NOTE :
The connecting length indicated in the table represents the length from the pull box to the outdoor unit when the
indoor units are connected in parallel for power, as shown in the illustration below. A voltage drop of no more
than 2% is also assumed. If the connecting length will exceed the length indicated in the table, select the wire
thickness in accordance with indoor wiring standards.
• Group Operation through a Remote Controller Switch
Group operation of multiple indoor units (8 units) through a single remote controller switch
Indoor power source
single phase 220–240V, 50Hz
220V, 60Hz
Earth leakage breaker
Switch
1
9
(1) Keep the refrigerant piping system and the indoor-indoor/indoor-outdoor control wiring systems together.
(2) When running power wires and control wires parallel to each other, either run them through separate
conduits, or maintain a suitable distance between them.
(Current capacity of power wires: 10A or less for 300mm, 50A or less for 500mm)
Item
2.0 mm² (AWG#14) Max. 20m
Indoor unit No.1 No.2
A B A B
(A.B)
Remote
controller
2 3
10 11
CAUTION
Power supply wiring
Wire size
No.3 No.4
A B A B
Pull box
Indoor unit
4 5 6
12 13 14
93
3.5 mm² (AWG#12) Max. 50m
No.7
A B
7 8
15 16
No.8
A B