En-8
In case of connecting the second remote controller line.
Please refer to the 7. FIELD SETTING for how to open the grill, the front panel and the
control box cover.
• Connecting cable to control board connector (CN5)
(1) Connect the remote controller cable with connecting wire as same as the
fi
rst remote
controller cable with solder.
(2) Pass the cable from the hole in the back of indoor unit.
(3) Connect the adapter cable and the wired remote controller cable.
(4) Connect the cable to the control board connector.
(5) Hook the cable to the rib.
Adapter cable
(Second remote controller)
Connect the cable
(CN5 connector)
Adapter cable
(First remote
controller)
Ferrite cores
Wired remote
controller cables
Connect the adapter
cable and the wired
remote controller cable
6.5. External input and external output (Optional parts)
Controller PCB
Input No Voltage terminal (CN17)
Input Voltage terminal (CN6)
Output terminal (CN16)
(1) External input terminals
• Indoor unit can be Start/Stop or Emergency stop, Forced stop by using indoor unit PCB
CN6 or CN17.
Wiring methods and speci
fi
cations
• A twisted pair cable (22 AWG) should be used. Maximum length of cable is
492 ft. (150 m).
* Use an external input and output cable with appropriate external dimension, depending
on the number of cables to be installed.
• The wire connection should be separate from the power cable line.
• Input selection
Use either one of these types of terminal according to the application. (Both types of termi-
nals cannot be used simultaneously.)
• Voltage terminal ([CN6])
When a power supply must be provided at the input device you want to connect, use the
voltage terminal ([CN6]).
1
2
3
+
+
-
-
-
In
pu
t d
ev
ic
e 1
In
pu
t d
ev
ic
e 2
Load resis-
tance
Load resis-
tance
*1
DC power supply
12 - 24 V
Connected unit
*a
*a
P.C.B
CN6
*b
]1
6.4. Wiring
Connect the end of the connection cable fully into the terminal block.
Transmission cables
For U.S.A. and Canada
(The grommet edging is not used.)
Wired remote controller
cable and optional parts
cables (if necessary)
Grommet edging
(Accessories)
Conduit connector
Lock nut
Conduit holder
Screw
For others
Transmission cables
Power supply cable
Conduit holder
Screw
Wired remote controller
cable and optional parts
cables (if necessary)
* Be sure to use the grommet edging.
When you attach the cable clamp, make sure that the cables are not jutting out from the
clamp or being pinched by the clamp.
Wired remote
controller cable
Wired remote controller cable
connection terminal
L, N: Power
supply cable
Power supply
earth (ground)
cable
For others
For U.S.A.
Cable tie (Accessories)
Cable tie (Accessories)
X1, X2:
Transmission
cable
13/32 in. (10 mm)
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