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English
•
In case the piping penetration cover is cut off and used as wiring penetration hole, after the wiring connec-
tion is finished, mend the cover.
•
Seal the clearance around the wirings with putty and insulating material (field supply).
(If insects and small animals get into the indoor unit, short circuiting may occur inside the control box.)
•
If the low voltage wiring (remote controller wiring) and the high voltage wiring (transmission wiring, earth
wiring) are brought into the indoor unit from the same place, they may be affected by electric noise (outside
noise) and cause malfunction or failure.
•
Keep the distance of 50mm or more between the low voltage wiring (remote controller wiring) and the high
voltage wiring (transmission wiring, earth wiring) at anywhere outside the indoor unit. If both the wirings are
laid down together, they may be affected by electric noise (outside noise) and cause malfunction or failure.
9-2 WIRING EXAMPLE
CAUTION
Be sure to install an earth leakage breaker to the outdoor unit.
This is to avoid electric shocks or a fire.
For the wiring of outdoor units, refer to the installation manual attached to the outdoor units. Confirm the sys-
tem type.
• Pair type
: 1 remote controller controls 1 indoor unit (standard system).
(Refer to Fig. 31)
• Simultaneous operation system
: 1 remote controller controls 2 indoor units
(2 indoor units operates equally).
(Refer to Fig. 32)
• Group control
: 1 remote controller controls up to 16 indoor units
(All indoor units operate according to the remote controller).
(Refer to Fig. 33)
Remote controller wiring
(1) Install the fixture at the wiring
entrance side.
Power supply wiring
and Earth wiring
DETAIL
Wiring fixture (11) (accessory)
Clamp (4) (accessory)
Clamp (4) (accessory)
(3) To avoid the loosing of the power supply wiring
and Earth wiring, band the clamp to tightly fit the
fixture at terminal block side.
(2) Fix the wiring to the fixture by clamps so that no
tension will be given to the terminal connection.
Putty or insulation
(field supply)
Refrigerant piping
Remote controller wiring
Low voltage wiring
Drain piping
Distance of 50mm between
High voltage wiring
Resin bushing (10)
(accessory)
Transmission
wiring and
Earth wiring
01_EN_3P249378-6L.fm Page 21 Sunday, September 30, 2012 2:30 PM
