AirStage ABHA36GATH Manuale di installazione - Pagina 12
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NOTE :
When connected to multiple indoor units directly, it will cause breakdown.
Operation behavior
● Input signal type
The input signal type can be selected.
It is switched by DIP switch on the indoor unit PCB.
DIP switch [Set 2 SW2]
OFF (Factory setting)
ON
● When function setting is "Operation/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
* 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
En-11
Edge
Pulse
Input signal type
Edge
The width of pulse
Pulse
must be longer than
200msec.
Input signal
Command
OFF → ON
Operation
ON → OFF
Stop
Input signal
Command
OFF → ON
Operation
OFF → ON
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
Output select
● When indicator etc. are connected directly
Operation
indicator
Error
indicator
Indoor unit Fan
status indicator
● When connecting with unit equipped with a power supply
Connected
device 1
Connected
device 2
Connected
device 3
connected unit
Stop
Operation behavior
Connector
CNB01
(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.
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.
Cable tie (Field supply)
connected unit
Relay (Field supply)
Output voltage
0V
External output1
Pins 1-2
DC 12 V
0V
External output2
Pins 1-3
DC 12 V
0V
External output3
Pins 1-4
DC 12 V
Option parts
External input/output wire
Clamp
Power supply PCB
P.C.B
CNB
01
P.C.B
CNB
01
Status
Stop
Operation
Normal
Error
Indoor unit fan stop
Indoor unit fan operation
Controller PCB