AirStage ABUA24TLAV Manuale di installazione - Pagina 12
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K1
K2
K3
Input device 1
Input device 2
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
En-11
P.C.B
K4
CNA02
P.C.B
K5
CNA02
P.C.B
K6
CNA02
K1 to K6: Relay
(Device for DC Current)
Edge
Pulse
Input signal type
Edge
The width of pulse must
Pulse
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
* 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]
*If function setting "60" is set to "00"
Connector
Ch3 of CNA03 or CNA04
(2) External output
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 82 ft. (25 m).
• 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
Indicator 1
Indicator 2
Indicator 3
Indicator 4
connected unit
● When connecting with unit equipped with a power supply
Connected
device 1
Connected
device 2
Stop
Connected
device 3
Connected
device 4
Connected unit
Operation behavior
*If function setting "60" is set to "00"
Connector
CNB01
● Indoor unit fan setting for external heater
Fan setting when turning ON output to the connected external heater can be set by
changing Dip switch on PC board.
Dip switch
[SET2 SW3]
OFF
(Factory setting)
ON
Input signal
OFF → ON
ON → OFF
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
0 V
External output4
Pins 1-5
DC 12V
Fan setting when
ON is output to the
external heater
OFF
For the fan setting details, see the
Design & Technical Manual.
ON
Command
Thermostat off
Normal
P.C.B
CNB
01
P.C.B
CNB
01
Status
Stop
Operation
Normal
Error
Indoor unit fan stop
Indoor unit fan operation
External heater OFF
External heater ON
Explanation