Remote Sensor (Optional Parts); Ir Receiver Unit (Optional Parts); Field Setting - Fujitsu AIRSTAGE ARUH72TLAV2 Installation Manual

● When function setting is "Emergency stop" mode.
Input Connector
Ch1 of CNA01 or
Edge
CNA02
Ch1
CNA01 or
Pulse
CNA02
Ch2
* All indoor units of same refrigerant system stops when Emergency stop operates.
● When function setting is "Forced stop" mode.
Input Connector
Ch1 of CNA01 or
Edge
CNA02
Ch1
CNA01 or
Pulse
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"
Input Connector
Ch1 of CNA01 or
Edge
CNA02
6.6.2. 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 DC 12 V ± 2 V, Lo 0 V.
• Permissible current: 50 mA
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)
En-11
Input signal Command
OFF → ON Emergency stop
ON → OFF Normal
OFF → ON Emergency stop
OFF → ON Normal
Input signal Command
OFF → ON Forced stop
ON → OFF Normal
OFF → ON Forced stop
OFF → ON Normal
Input signal Command
OFF → ON Thermostat off
ON → OFF Normal
P.C.B
P.C.B
Operation behavior
*If function setting "60" is set to "00"
Connector
External output 1
Pins 1-2
External output 2
Pins 1-3
CNB01
External output 3
Pins 1-4
External output 4
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.
Dip switch
[SET2 SW3]
OFF
(Factory setting)
ON

6.7. Remote sensor (optional parts)

For the installation method, please refer to the INSTALLATION MANUAL of remote sen-
sor.
Connection methods
• Remove the existing connector and replace it with the remote sensor connector (ensure
that the correct connector is used).
• The original connector should be insulated to ensure that it does not come into contact
with other electrical circuitry.
• Use conduit hole when external output cable is used.
Setting for room temperature correction
When a remote sensor is connected, set the function setting of indoor unit as indicated
below.
• Function Number "30":
Set the Setting Number to "00". (Default)
• Function Number "31":
Set the Setting Number to "02".
* Refer to "7.4. Function setting" for details about Function
Number and Setting Number.
CNB
01

6.8. IR receiver unit (optional parts)

Connection method
For the installation method, please refer to the INSTALLATION MANUAL of IR receiver
unit.
(1) Use 9 pins for receiver unit cable.
(2) At first, connect the receiver unit cable to the controller PCB.
(3) Attach the core that comes between controller PCB and the clamp.
(4) Use conduit hole when external output cable is used.

7. FIELD SETTING

There are 3 methods for address setting by FIELD SETTING as follows.
CNB
Set by either of the methods.
01
Each setting method is described (1) to (3) below.
(1) IU AD, REF AD SW settings: This section (7.1. Setting the address)
(2) Remote controller settings:
(3) Automatic address settings: Refer to the outdoor unit manual for detailed setting
Be sure to turn OFF the power before performing the field setting.
Output voltage
0 V Stop
DC 12 V Operation
0 V Normal
DC 12 V Error
0 V Indoor unit fan stop
DC 12 V Indoor unit fan operation
0 V External heater OFF
DC 12 V External heater ON
Fan setting when
ON is output to the
external heater
OFF
For the fan setting details, see the
Design & Technical Manual.
ON
Refer to the wired or wireless remote controller manual
for detailed setting information. (Set IU AD, REF AD
SW to 0)
information. (Set IU AD, REF AD SW to 0)
CAUTION
Status
Explanation