Connection Methods; Field Setting; Setting The Address - Fujitsu Airstage ASYA18GACH Manuel D'installation

● 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
indicatior
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
9373370147-01_IM.indb 10 9373370147-01_IM.indb 10
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.
CNA01
CNB01
Controller PCB
Cable tie
(Field supply)
] 1 ] 1

7. FIELD SETTING

There are 3 methods for address setting by FIELD SETTING as follows.
Please set by either of the methods.
Each setting method is described in below (1) to (3).
(1) IU AD, REF AD SW settings ............. This section (7.1. Setting the address)
(2) Remote controller settings ............... Refer to the wired or wireless remote controller
manual for detailed setting information. (Set IU
AD, REF AD SW to 0)
(3) Automatic address settings ............. Refer to the outdoor unit manual for detailed
setting information. (Set IU AD, REF AD SW to 0)
] 1

7.1. Setting the address

Manual address setting method
• The indoor unit address and the refrigerant circuit address can also be set up through
the wireless remote controller
CAUTION
Be sure to turn OFF the power before performing the fi eld setting.
• Please set it according to the following procedures when setting manually.
Front panel remove and installation
[
Intake grill remove.
(1) Open the intake grille.
(2) Pull down the knob.
(3) Lift the intake grille upward and until the beating at the top of the intake grille is
removed.
Option parts:
External input /output wire
CNA04
CNA02
CNA03
Connecting cables
]
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