AirStage ASHE007GTAH Installation Manual - Page 12
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When connected to Apply voltage terminals of multiple indoor units with a connected unit,
be sure to make a branch outside the indoor unit using a pull box, etc. as shown on below
example.
Load
resistance
Load
resistance
Connected unit
● Dry contact terminal ([CNA02], [CNA04])
When a power supply is unnecessary at the input device you want to connect, use the Dry
contact terminal ([CNA02], [CNA04]).
*c
*c
Ch 1
Ch 2
*c
Ch 3
Connected unit
*c: Select very low current use contacts (usable at DC 12 V, DC 1 mA or less).
*d: The wiring is different from Apply voltage terminals. Be sufficiently careful when wiring.
When connected to Dry contact terminals of multiple indoor units with a connected unit,
insulate each indoor unit with relay, etc. as shown on below example.
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 [SET2 SW2]
OFF (Factory setting)
ON
● When function setting is "Operation/Stop" mode.
[In the case of "Edge" input]
Connector
Ch1 of CNA01 or CNA02
En-11
DC power supply
12 to 24V
P.C.B
GND
*d
P.C.B
K1
K4
CNA02
P.C.B
K2
K5
CNA02
P.C.B
K3
K6
CNA02
K1 - K6: Relay
(Device for DC Current)
Edge
Input signal type
Pulse
Edge
The width of pulse must be
longer than 200 msec.
Pulse
Input signal
Command
OFF → ON
Operation
ON → OFF
Stop
[In the case of "Pulse" input]
Connector
CNA01 or CNA02
P.C.B
* The last command has priority.
* The indoor units within the same remote controller group operates in the same mode.
CNA01
● When function setting is "Emergency stop" mode.
[In the case of "Edge" input]
P.C.B
Connector
CNA01
Ch1 of CNA01 or CNA02
P.C.B
[In the case of "Pulse" input]
Connector
CNA01
CNA01 or CNA02
* 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
CNA02
[In the case of "Pulse" input]
Connector
CNA04
CNA01 or CNA02
* 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
6.4.2 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
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
Input signal
OFF → ON
Ch1
OFF → ON
Ch2
Input signal
OFF → ON
ON → OFF
Input signal
Ch1
OFF → ON
Ch2
OFF → ON
Input signal
OFF → ON
ON → OFF
Input signal
Ch1
OFF → ON
Ch2
OFF → ON
Input signal
OFF → ON
ON → OFF
indicator
Error
indicator
connected unit
Relay (Locally purchased)
Command
Operation
Stop
Command
Emergency stop
Normal
Command
Emergency stop
Normal
Command
Forced stop
Normal
Command
Forced stop
Normal
Command
Thermostat off
Normal
P.C.B
CNB
01
P.C.B
CNB
01