Connection Methods - Fujitsu AIRSTAGE ARXD07GALH Manual De Instalación

[In the case of "Pulse" input]
Connector
Ch1
CNA01 or CNA02
Ch2
* The last command has priority.
* The indoor units within the same remote controller group operates in the same mode.
● When function setting is "Emergency 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
* All indoor units of same refrigerant system stops when Emergency stop operates.
● 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
9374342273-01_IM.indb Sec1:14 9374342273-01_IM.indb Sec1:14
Input signal Command
OFF → ON Operation
OFF → ON Stop
Input signal Command
OFF → ON Emergency stop
ON → OFF Normal
Input signal Command
OFF → ON Emergency stop
OFF → ON Normal
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
● 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 Output voltage
External output1
Pins 1-2
External output2
CNB01
Pins 1-3
External output3
Pins 1-4

(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

CAUTION
To protect the cable insulation after opening a knockout hole, remove any burrs from
the edge of the hole.
P.C.B
CNB
01
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
Option parts
External input/output wire
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