En-12
● When function setting is “Forced stop” mode.
[In the case of “Edge” input]
Connector Input signal Command
Ch1 of CNA01 or CNA02
OFF → ON Forced stop
ON → OFF Normal
[In the case of “Pulse” input]
Connector Input signal Command
CNA01 or CNA02
Ch1 OFF → ON Forced stop
Ch2 OFF → ON Normal
* When the forced stop is triggered, indoor unit stops and Operation/Stop operation by a
remote controller is restricted.
* When forced stop function is used with forming a remote controller group, connect the
same equipment to each indoor unit within the group.
• Selection method of functions
“Operation/Stop” mode or “Emergency stop” mode, “Forced stop” mode can be selected
with function setting of indoor unit.
● Forced thermostat off function
[“Edge” input only]
Connector Input signal Command
Ch3 of CNA03 or CNA04
OFF → ON Thermostat off
ON → OFF Normal
(2) External output
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 25m.
• Use an external input and output cable with appropriate external dimension, depending
on the number of cables to be installed.
• Output voltage: Hi DC12V±2V, Lo 0V.
• Permissible current: 50mA
Output select
● When indicator etc. are connected directly
Operation
indicator
Error
indicator
Indoor unit Fan
status indicator
connected unit
P.C. B
CNB
01
● When connecting with unit equipped with a power supply
CNB
01
P.C. B
Connected
device 1
Connected
device 2
Connected
device 3
connected unit Relay (Field supply)
Operation behavior
Connector Output voltage Status
CNB01
External output1
Pins 1-2
0V Stop
DC 12 V Operation
External output2
Pins 1-3
0V Normal
DC 12 V Error
External output3
Pins 1-4
0V Indoor unit fan stop
DC 12 V Indoor unit fan operation
(3) Connection methods
• Wire modifi cation
Remove insulation from wire attached to wire kit connector.
Remove insulation from fi eld supplied cable. Use crimp type insulated butt connector to
join fi eld cable and wire kit wire.
Connect the wire with connecting wire with solder.
IMPORTANT: Be sure to insulate the connection between the wires.
Option parts:
External input /output wire
Field supply
Solder and insulate the connected parts.
• Connection terminals and wiring arrangement
CNA01
CNA04
CNB01
CNA02
CNA03
Cable tie
(Field supply)
In following fi gure, all the possible connectors are connected for description.
In actual installation, you cannot connect all the connectors at once.
6.7. Installing the control unit
• Refer to 6.1 (1) to (5) to install the control unit, thermistor, and earthing (grounding) wire.
(1) Connect the connection cable.
L, N: Power
supply cable
GOOD
When you attach the cable clamp, make sure that the cables are not jutting out from the
clamp or being pinched by the clamp.
Screw hole
Cable
Screw hole
Cable
Do not route the cables over the screw hole.
PROHIBITED
Power supply
earth (ground)
cable
Earth (ground)
terminal for wired
remote controller
(if necessary)
X1, X2:
Transmission
cable
9373370130-01_IM.indb Sec1:129373370130-01_IM.indb Sec1:12 7/12/2012 2:29:49 PM7/12/2012 2:29:49 PM
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