Fujitsu AIRSTAGE ARUM24TLAV Installation Manual page 13

● 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 Input signal
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]
*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
Input signal Command
OFF → ON Operation
ON → OFF Stop
Input signal Command
OFF → ON Operation
OFF → ON Stop
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
P.C.B
● When connecting with unit equipped with a power supply
Connected
device 1
Connected
device 2
Connected
device 3
Connected
device 4
Operation behavior
*If function setting "60" is set to "00"
Connector
External output1
External output2
CNB01
External output3
External output4
● 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
(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.
CNB
01
Relay (Field supply)
Output voltage
0V
Pins 1-2
DC 12 V
0V
Pins 1-3
DC 12 V
0V
Pins 1-4
DC 12 V Indoor unit fan operation
0 V
Pins 1-5
DC 12V
Fan setting when
ON is output to the Explanation
external heater
OFF
For the fan setting details, see the
Design & Technical Manual.
ON
Option parts
External input/output wire
Controller PCB
Clamps Cable tie (Field supply)
P.C.B
CNB
01
Status
Stop
Operation
Normal
Error
Indoor unit fan stop
External heater OFF
External heater ON
En-12