Toshiba MMW-AP0271LQ-E Manuel D'installation page 59

Remote controller wiring
• 2-core with non-polarity wire is used for wiring of the remote controller wiring and group remote controllers wiring.
Remote controller wiring, remote controller inter-
unit wiring
Connecting to SMMS-e, MiNi-SMMS-e
Total wire length of remote controller wiring and
remote controller inter-unit wiring (L1+L2)
Total wire length of remote controller inter-unit wiring (L2)
Connecting to SHRM-e
Total wire length between indoor unit and Flow selector unit (L2+L3)
Total wire length between remote controller and Flow selector unit (L1+L2+L3)
Maximum wire length of remote controller (L1)
Output signal function wiring
• To prevent noise trouble, use 2-core shield wire.
Output function wiring (2-core shield wire)
CAUTION
The remote controller wire (Communication line) and AC 220 –
240 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.
U1 U2 U1 U2
Indoor unit
A B
L1
Remote controller
115-EN
Wire size: 0.5 mm² to 2.0 mm²
In case of wired type only
In case of wireless type included
Wire size (up to 2 m) 0.5 mm²
U1 U2
A B
A B
L2 L3
A B
FS unit
Indoor unit
Remote
controller
wiring
Up to 500 m
controller
Up to 400 m
Up to 200 m
Up to 200 m Indoor unit
Up to 300 m
Remote
controller
Up to 300 m
wiring
controller
M-HWM
Remote
controller
wiring
controller
Remote
controller
wiring
Remote
controller
wiring
NOTE
It is not possible to connect HWM and any indoor units together for group control.
It is not possible to connect M-HWM and H-HWM together for group control.
– 58 –
Indoor unit Indoor unit
Remote
Remote controller inter-unit wiring
Indoor unit Indoor unit
Remote
Remote controller inter-unit wiring
M-HWM M-HWM
Remote
Remote controller inter-unit wiring
H-HWM H-HWM H-HWM
Remote
Remote controller inter-unit wiring
controller
M-HWM M-HWM
H-HWM
Remote
Remote controller inter-unit wiring
controller
M-HWM: Mid temperature Hot Water Module
H-HWM: High temperature Hot Water Module
Indoor unit
Correct
(Max. 8 units)
HWM
Incorrect
(Max. 8 units)
M-HWM
Correct
(Max. 8 units)
H-HWM
Correct
(Max. 8 units)
H-HWM
Incorrect
(Max. 8 units)
(*) : In the case of multiple refrigerant systems
116-EN