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Indoor Unit Installation
3-3. Wall embedded piping
• Insert the drain hose to this depth so it won’t be pulled out of the drain
pipe.
Inner wall
Vinyl chloride
drain pipe
(VP-30)
Drain hose
1-15/16” (50mm)
or more
Insert the drain
hose to this depth
so it won’t be pulled
out of drain pipe.
Outer wall
4.
Wiring
With a multi indoor unit
, install as described in the installation manual supplied with the Multi outdoor unit.
1) As shown in the illustration on the right-hand side, insert the
wires including the ground wire into the conduit and secure
them with lock nut onto the conduit mounting plate.
2) Insert the wires including the ground wire into tube.
• Cut tube when tube is too long.
3) Strip wire ends (9/16 inch (15mm)).
4) Match wire colors with terminal numbers on indoor and
outdoor unit’s terminal blocks and firmly screw wires to the
corresponding terminals.
5) Connect the ground wires to the corresponding terminals.
6) Pull the wires and check that the wires are securely fixed to
the terminal block.
7) In case of connecting to an adapter system, run the remote
controller cable and attach the S21. (Refer to P5 when
connecting to an HA system.)
8) Shape the wires so that the service lid fits securely, then
close service lid.
1
2
3
1 2 3
GR
L
1
L
2
Use AWG16 if the connection wire
length is less than 32.8ft (10m), or
AWG14 if it is 32.8ft (10m) or more.
Outdoor unit
Indoor
unit
Use AWG 14 wires.
Conduit mounting
plate
Lock nut
Back
Conduit
Terminal block
Electrical component box
Use the specified wire type.
Wire retainer
Shape wires so that the
service lid will fit securely.
Tube
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WARNING
• Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause overheating,
electrical shock, or fire.
• Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the
terminal block.) Doing so may cause electric shock or fire.
• When carrying out wiring connection, take care not to pull at the conduit.
• Do not connect the power wire to the indoor unit. Doing so may cause electric shock or fire.
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10/20/2011 2:38:30 PM
