Fujitsu Airstage AUUA4TLAV1 Installation Manual page 11

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 [SET2 SW2] Input signal type
Edge
OFF (Factory setting)
Pulse
ON
● When function setting is "Operation/Stop" mode.
[In the case of "Edge" input]
Connector Input signal
OFF → ON
Ch1 of CNA01 or CNA02
ON → OFF
[In the case of "Pulse" input]
Connector Input signal
Ch1 OFF → ON
CNA01 or CNA02
Ch2 OFF → ON
* 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 Input signal
OFF → ON
Ch1 of CNA01 or CNA02
ON → OFF
[In the case of "Pulse" input]
Connector Input signal
Ch1
OFF → ON
CNA01 or CNA02
Ch2
OFF → ON
* 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 Input signal
OFF → ON
Ch1 of CNA01 or CNA02
ON → OFF
[In the case of "Pulse" input]
Connector Input signal
Ch1 OFF → ON
CNA01 or CNA02
Ch2
OFF → ON
* 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.
P.C.B
K4
CNA02
P.C.B
K5
CNA02
P.C.B
K6
CNA02
K1 - K6: Relay
(Device for DC Current)
Edge
Pulse
The width of pulse must be
longer than 200 msec.
Command
Operation
Stop
Command
Operation
Stop
Command
Emergency stop
Normal
Command
Emergency stop
Normal
Command
Forced stop
Normal
Command
Forced stop
Normal
● Forced thermostat off function
["Edge" input only]
Connector Input signal
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
Connected
device 3
Connected
device 4
connected unit Relay (Locally purchased)
Operation behavior
* If function setting "60" is set to "00"
Connector
External output1
Pins 1-2
External output2
Pins 1-3
CNB01
External output3
Pins 1-4
External output4
Pins 1-5
● 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.
Fan setting when
Dip switch
ON is output to the
[SET2 SW3]
external heater
OFF
OFF
(Factory setting)
ON ON
Command
Thermostat off
OFF → ON
Normal
ON → OFF
P.C.B
P.C.B
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
0 V External heater OFF
DC 12V External heater ON
Explanation
For the fan setting details, see the
Design & Technical Manual.
CNB
01
CNB
01
En-10