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5.2. Wiring
• Before starting installation work, turn off the power of the
connection destination. Do not turn on the power again
until installation is completed. Otherwise, it will cause
electric shock or fire.
• Use the accessories or specified connection cables.
Do not modify connection cables other than those
specified, do not use extension cords, and do not use
independent branch wiring. The allowable current will be
exceeded and cause electric shock or fire.
• Install the connection cables securely to the terminal
block. Confirm that external force is not applied to the
wire. Use connection cables made of the specified wire.
If intermediate connection or insertion fixing are
imperfect, it will cause electric shock, fire, etc.
• When connecting the power cable and transmission
cable, layout the wiring so that the cover of this unit is
securely fixed. If the cover is imperfectly fixed, it may
cause fire or overheating of the terminals.
• Do not connect the ground wire to a telephone ground
wire, water pipe, or conductor rod.
• Always fasten the outside covering of the connection
cord with the cord clamp. (If the insulator is chafed,
electric leakage may occur.)
• When performing cable wiring work, be sure that it does
not touch the user. Doing so will cause injury or electric
shock.
• If any cable is damaged, do not repair or modify it
yourself. Improper work will cause electric shock or fire.
• Do not parallel to the remote controller cables, indoor
and outdoor connection cable, and power supply cables
of Branch box. It may cause erroneous operation.
• When performing wiring work, be careful not to damage
the cable or injure yourself. Also, connect the connectors
securely. Loose connectors will cause trouble, heating,
fire, or electric shock.
• Install the remote control cable 1 m away from television
and radio to avoid distorted images and noise.
• Perform wiring so that water does not enter this unit
along the external wiring. Always install a trap to the
wiring or take other countermeasures. Otherwise it will
cause trouble or electric shock or fire.
• Confirm the name of each unit and name of each terminal
block of the unit and connect the wiring in accordance
with the directions given in the manual so that there is no
incorrect wiring. Incorrect wiring will damage the electric
parts and cause smoke and fire.
• When installing the connection cable near a source of
electromagnetic waves, use shielded cable. Otherwise,
a breakdown or malfunction could result.
En-4
9380222002-02_IM.indb 4
WARNING
CAUTION
Example)
Wiring diagram when 3 units of branch boxes are connected
Branch box
Branch box
(Primary)
(Secondary 1)
REMOTE
REMOTE
CONTROL
CONTROL
1 2 3
1 2 3
• Total remote controller cable length:
MAX. 500 m (1640 ft.)
Central remote controller
5.3. Installation
WARNING
• Always use the accessories and specified installation
work parts. Check the state of the installation parts. Not
using the specified parts will cause units to fall off, water
leakage, electric shock, fire, etc.
• When installing this unit, make sure that there are no
children nearby. Otherwise, injury or electric shock could
result.
• After installing this unit, perform the test run to confirm
that the unit is operating properly. Then, explain the
operation of this unit to the customer.
CAUTION
• Do not set the DIP switch of this unit except as specified
in this installation manual or the installation manual
supplied with the air conditioner. Setting the switches
other than specified will cause an accident or trouble.
• Use an insulated screwdriver to set the DIP switches.
• Before opening the case of this unit, completely
discharge static electricity charged on your body. Not
doing so will cause trouble.
• Do not touch the circuit board and circuit board parts
directly with your hands. Otherwise, injury or electric
shock could result.
• Tightening the mounting screws too tight will damage the
case of this unit.
• Be careful so that the front cover does not fall after the
front cover are removed. Otherwise, injury could result.
Branch box
(Secondary 2)
REMOTE
CONTROL
1 2 3
1 2 3
Remote controller cable
24/08/2010 10:22:33
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