Connect the wires of the
Never connect two wires
Never connect two wires
same size to the sides
of the same size to one side.
of different size.
respectively.
�
�
�
0
X
X
Phenomenons such as loose electric wire connection
may cause abnormal heating. Strictly follow the
instructions below.
• Use the specified power wiring and secure them firmly.
Check if there is external stress applied to the terminal
block.
• Tighten the terminal screws with a suitable screwdriver.
Use of small screwdriver would damage the screw head
and could not achieve the proper tightening effect.
• Secure the terminal screws overtight may break them.
• Refer to the table below for the tightening torque of the
terminal screws.
Terminals
Tightening torque (N · m)
Terminal block for remote controller/
0.79-0.97
transmission wiring (6P)
Power supply terminal block (3P)
1.18-1.44
10-2.Two remote controllers control one indoor unit
• When using two remote controllers, it is necessary to set
one as "M for (Main) and the other as "S for (Sub)"
Changeover of MIS
(1)Insert a
8
screwdriver into the seam of the remote
controller's upper part and lower part, then apply force
from 2 places to pry up the upper part carefully.
PC board of the remote controller is equipped in the
remote controller's upper part.
Upper part
Screwdriver
Lower part
Insert the screwdriver here and rotate slowly to
remove the upper part of the remote controller.
(2)Set the M/S switch of any one remote controller's PC
board to "S".
(The other one still is "M".)
(Factory setting) �
D
[
If the factory setting
]
lq]
has not been changed,
then only one remote
controller's setting
needs to be changed.
Connecting method (refer to the chapter of "Electrical wiring
work".)
(3) Remove the electrical component box cover.
12
(4)Connect the remoter controller 2 (S) to the remote
controller's wiring terminal blocks (P1, P2) in the
electrical component box. (No polarity)
Remote controller's
wiring terminal block
� Remote controller 1 (M) � Remote controller 2 (S)
[Note]
• If group control and two remote controllers are used together,
it is necessary to connecting jumping wires.
• Connect the remoter controller 2 (S) to the indoor unit at
the end of the jumping wires (P1, P2).
Indoor unit 1
Indoor unit 2
Indoor unit with the
largest number
Remote controller 1 (M)
Remote controller 2 (S)
10-3.Remote control ("Forced OFF" and "ON/OFF")
• Connect the input wire from the outside to the terminals T1
and T2 on the remote controller's terminal block 6P to perform
remote control.
• For detailed operation, refer to the
"12. Field settings and
test run".
Wire specifications
sheathed Vinyl cord or two core cable.
Sectional area
0.75-1.25mm
2
Length
Maximum 1 oom
External contact
The minimum allowable load: 15V DC, 1mA
10-4.Centralized control
• To control centrally, the group number must be set. For
details, refer to the manual of centralized controller.
10-5.Panel wire connecting
• To connect with the panel's connecting wires, refer to the
panel installation manual for derailed information.
11. Decorative panel installation
for test run
To perform test run without installing the decorative panel,
read the chapter "12. Field settings and test run" first.
Refer to the installation manual included with the
decorative panel.
After completing installation of the decorative panel, make
sure there is no clearance between the units and the
decorative panel.
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