Electrical Connection - Toshiba RAV-SM302KRTP-UL Installation Manual

10

ELECTRICAL CONNECTION

• Use the specified wires for wiring connect the terminals. Securely fix them to prevent
external forces applied to the terminals from affecting the terminals.
Incomplete connection or fixation may cause a fire or other trouble.
• Connect earth wire. (grounding work)
Incomplete grounding cause an electric shock.
Do not connect earth wires to gas pipes, water pipes, lightning conductor or telephone earth wires.
• Appliance shall be installed in accordance with national wiring regulations.
Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire.
• For power supply specifications, follow the Installation Manual of outdoor unit.
• Do not connect 208/230V~60Hz power to the terminal blocks ( A , B ) for control wiring.
Otherwise, the system will fail.
• Do not damage or scratch the conductive core and inner insulator of power and system
interconnection wires while peeling them.
• Perform the electric wiring so that it does not come to contact with the high-temperature part of the
pipe.
The coating may melt resulting in an accident.
• Do not turn on the power of the indoor unit until vacuuming of the refrigerant pipes completes.
System interconnection wires specifications
System interconnection wires*
*Number of wire × wire size
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
Total wire length of remote controller inter-unit wiring = L1 + L2 + ... Ln
The remote controller wire and system interconnection 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.
Indoor unit
Remote
L
controller
wiring
Remote
controller
WARNING
CAUTION
AWG16 or more
(H07RN-F or 60245 IEC 66)
Wire size: 2 × AWG20 to AWG16
In case of wired type only
2 remote controllers
2 remote controllers including a
wireless remote controller
CAUTION
Indoor unit
L1 L2
Remote controller inter-unit wiring
‒ 24 ‒
Up to 229' 7" (70 m)
Up to 1640' 5" (500 m)
Up to 984' 3" (300 m)
Up to 1312' 4" (400 m)
Up to 656' 2" (200 m)
Indoor unit
Ln
(max. 8 units)
Installation Manual
EN
FR
ES
Indoor unit
24-EN