Toshiba Carrier MMK-UP0301HP-UL Manual De Instalación página 26

* Even if the indoor unit and the remote controller are "other than U series", the wiring
specification are the same.
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
CAUTION
• The remote controller wire (Communication line) and AC 208-230V wires cannot be parallel to
contact each other and cannot be stored in the same conduits. If doing so, a trouble may be the
caused on control system due to noise or other factor.
• If U series models (TU2C-Link) are combined with models other than U series (TCC-Link), the wiring
specifications and maximum number of connectable indoor units will be changed. Pay attentions to their
communication specifications when carrying out the installation, maintenance, or repair. For its details,
refer to the "Communication line" in 10 ELECTRICAL CONNECTION.
Remote
control
wiring
25-EN
Indoor unit Indoor unit
L
L1
Remote
Remote control inter-unit wiring
control
[Communication line]
(L1+L2+L3) = Up to 6561'8" (2000 m)
L4 = Up to 328'1" (100 m)
Wire size: AWG20
In case of wired type only
In case of wireless type included
Indoor unit
L2
For number of max. connectable units,
refer to the following table.
– 25 –
Installation Manual
Up to 1640'5" (500 m)
Up to 1312'4" (400 m)
Up to 656'2" (200 m)
Indoor unit
Ln