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83
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2) Recessed fitting
a) The Electrical box and remote control (shield wire
must be use in case of extension) are first embedded.
(2)
Installation of wired remote control (Optional parts)
(a) Selection of installation location
Avoid the following locations
1) Direct sunlight.
2) Close to heating device.
3) Highly humid or water splashing area.
4) Uneven surface.
(b) Installation procedure
1) Exposed fiting
a) Open the remote control case.
• Put a screw driver (flat-head) into the concavity
made on the upper part of a remote control unit
and twist it lightly to open the casing.
b) The cord of a remote control unit can only be
pulled out in the upward direction.
• Cut off with nippers or a knife a thin walled part
made on the upper end of the remote control
unit’s bottom casing, and then remove burrs with
a file or the like.
c) Fix the remote control unit’s bottom casingonto a
wall with two wood screws supplied as accesso-
ries.
d) Connect the remote control to the terminal block.
Connect the terminals of the remote control to the
indoor unit with the same numbers. Because the
terminal block has polarity, the device becomes
inoperative if there are wrong connections.
Terminals:
x
Red wire,
Y
White wire,
Z
Black wire
• Use a cord of 0.3mm
2
(recommended) - 0.5mm
2
(maximum) for a remote control unit cord. Re-
move a sheathe of the remote control unit cord
for the section laid within the remote control unit
casing.
The length of each wire that should be left after
a sheath is removed is as follows:
Black: 195mm, White: 205mm, Red: 215mm
e) Replace the top casing as before.
f) Use a cord clamp to attach the remote control cord
to the wall.
g) Set the functions according to the types of in door
unit. See Section “Function Setting’’.
Thin walled part
Upper
Lower
Lower case
Upper
Lower
Lower case
Upper
Lower
Board
Wiring
X Y Z
Red White Black
Upper case
Remote
control cord
Electrical box
Not included
Upper
Lower
Cable outlet
Lower case
Upper
Lower
Cable outlet
Cut off with a knife or the like thin walled parts
intended for screw holes, and then fix it with
screws.
Two M4 screws
(Head diameter must be 8mm)
(not included)
(This side is not grounded)
Earth
Remote control
switch
Remote control cord
(Shielded wire)
Precation in Extending the Remote control cord
●
The shielded wire should be grounded at one side only.
Within 100-200m…………
Within 300m…………
Within 400m…………
Within 600m…………
0.5 mm
2
0.75 mm
2
1.25 mm
2
2.0 mm
2
×
3 cores
×
3 cores
×
3 cores
×
3 cores
Maximum total extension 600m.
▼
The cord should be a shielded wire.
●
For all types : 0.3mm
2
×
3 cores
Note (1) Use cables up to 0.5mm
2
(maximum) for those laid
inside the remote control unit casing and connect to a
different size cable at a vicinity point outside the remote
control unit, if necessary.
Indoor unit
Length of the
section where a
sheath is removed
b) Remove the upper case to the remote control.
c) Attach the lower case to the Electricl box with two
M4 screws. (Head diameter must be 8 mm). Choose
either of the following two positions in fixing it with
screws.
d) Connect the remote cord to the remote control.
Refer to [Exposed Fitting].
e) Installation work is completed by replacing the top
casing onto the bottom casing as before.
f) Set the function switch according to the type of the
indoor unit.
Refer to [Function setting].
Summary of Contents for SRRM25ZF-S
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