Remote Controller Wiring - Toshiba VN-M150HE Service Manual

Communication wire
Model name VN-
Air to Air Heat M150HE to
Exchanger M1000HE
*2:
• The length of the communication wire is the total length of the outdoor/indoor transition wire and wire of the central control
assuming that an interlocking system with the indoor unit or central control system is used.
• To prevent noise, use a 2 core shielded wire.

Remote controller wiring

Remote controller wiring, remote controller inter-unit wiring
Total wire length of remote controller wiring and remote controller inter-unit wiring = L + L1 + L2 + ··· Ln Up to 500mm
Total wire length of remote controller inter-unit wiring = L1 + L2 + ··· Ln
On the outside of the unit, do not allow the wire for the remote controller (communication wire) and the wire for AC220-240V to come into contact
or put them together in one electrical conduit; otherwise, the control system may have trouble due to noise.
Indoor unit
L
Remote controller
wiring
Remote
controller
* The total length of the remote controller inter-unit wiring is the same for both between the indoor units and
between the Air to Air Heat Exchanger.
Item
Central control wire (*2)
2-core, non-polarity
Shielded wire
(Up to 1000m) 1.25 mm
(Up to 2000m) 2.0 mm
Indoor unit
L1
Remote controller inter-unit wiring
Communication wire
2
2
2-core, non-polarity: 0.5 mm
Air to Air
Heat
Exchanger
L2
104
Remote controller wire
2-core, non-polarity
2 2
0.5 mm to 2.0 mm
2 2
to 2.0 mm
Up to 200mm
Air to Air
Heat
Exchanger
Ln
(Up to 8 units)