Connection Methods; Important - Fujitsu Airstage ARXC72GATH Manual De Instalación

● When function setting is "Forced stop" mode.
[In the case of "Edge" input]
Connector
Ch1 of CNA01 or CNA02
[In the case of "Pulse" input]
Connector
Ch1
CNA01 or CNA02
Ch2
* 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
Ch3 of CNA03 or CNA04
(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
● When connecting with unit equipped with a power supply
Connected
device 1
Connected
device 2
Connected
device 3
connected unit Relay (Field supply)
Operation behavior
Connector
External output1
Pins 1-2
External output2
CNB01
Pins 1-3
External output3
Pins 1-4
En-11
9365748145-01_IM.indb Sec1:11 9365748145-01_IM.indb Sec1:11
Input signal Command
OFF → ON Forced stop
ON → OFF Normal
Input signal Command
OFF → ON Forced stop
OFF → ON Normal
Input signal Command
OFF → ON Thermostat off
ON → OFF Normal
P.C.B
CNB
01
P.C.B
CNB
01
Output voltage Status
0V Stop
DC 12 V Operation
0V Normal
DC 12 V Error
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.
Field supply
Solder and insulate the connected parts.
• Connection terminals and wiring arrangement
In following fi gure, all the possible connectors are connected for description.
In actual installation, you cannot connect all the connectors at once.
Controller PCB
Option parts
External input/output wire
Cable tie
(Field supply)
7/12/2012 11:09:15 AM 7/12/2012 11:09:15 AM