11
English
•
Be sure to ground the air conditioner.
•
Do not connect the ground wire to gas pipes, plumbing pipes, lightning rods, or telephone ground wires.
•
Gas pipes: could explode and cause fires if there was a gas leak.
•
Plumbing pipes: no grounding effect if hard vinyl pipes are used.
•
Telephone ground wires or lightning rods: the ground potential could rise dangerously high if hit by light-
ning.
• Specifications for field wire
The remote controller cord should be procured locally. Refer to the Table 4 when preparing one.
Table 4
NOTE
1.
Shows only in case of protected pipes. Use H07RN-F in case of no protection.
2.
Insulated thickness: 1 mm or more
〈
Method of wiring units and connecting remote controller cords
〉
•
Wiring the units connections
See “INDOOR UNIT INSTALLATION” and detach the right side panel. Next, remove screw (A) and slide
front cover to the right (B) and detach.
When detached, you can see the terminal boards. Feed wires through the clamp and connect to the termi-
nal board.
•
Remote controller cord connections (not necessary for slave unit of simultaneous operation system)
Feed wires through the clamp and connect to the terminal board for transmission wiring. (no polarity)
[ PRECAUTIONS ]
•
Do not clamp remote controller cords together with wiring the units. Doing so may cause malfunction.
•
Remote controller cords and wiring the units should be located at least 50 mm from other electric wires. Not
following this guideline may result in malfunction due to electrical noise.
Wire
Size (mm
2
)
Length
Wiring the units
H05VV-U4G
(NOTE 1)
2.5
–
Remote controller cord
Vinyl cord with sheath or cable (2 wire)
(NOTE 2)
0.75 - 1.25
Max. 500m
P
1
P
2
1
2
3
Air discharge outlet
Front cover
Right side panel
Power supply terminal board
Clamp band (Wiring the units)
Clamp band (Wiring the units)
Power supply
terminal board
Clamp band (Wiring the units)
Wiring the units
Terminal board for the remote
controller
Remote controller cord
Clamp band
(Remote controller cord)
Clamp band
(Remote controller cord)
Wiring the units
(A)
(B)
Ground
terminal
Remote controller
cord
Terminal board
for the remote
controller
01_EN_3P184443-2.fm Page 11 Monday, July 3, 2006 3:14 PM