Mitsubishi SRK63ZEA-S1, Technical Manual

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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 con-
cavity 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 re-
move burrs with a file or the like.
c) Fix the remote control unit’s bottom casing
onto a wall with two wood screws supplied
as accessories.
d) Connect the remote control to the terminal
block. Connect the terminals of the remote
control to the indoor unit with the same num-
bers. Because the terminal block has polar-
ity, 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. Remove 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 con-
trol 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 con-
trol.
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 con-
trol.
Refer to [Exposed Fitting].
e) Installation work is completed by replacing
the top casing onto the bottom casing as be-
fore.
f) Set the function switch according to the type
of the indoor unit.
Refer to [Function setting].