Fujitsu ARYG72LHTA - Page 98

• “Operation/Stop” mode or "Forced stop" mode can be selected with function setting of indoor
unit.
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 150 m.
• Use an external input and output cable with appropriate external dimension, depending on the
number of cables to be installed.
• The wire connection should be separate from the power cable line.
 Indoor unit
Indoor unit functions such as Operation/Stop can be done by using indoor unit terminals.
*1: The switch can be used on the following condition: DC 12 V to 24 V, 1 mA to 15 mA.
PCB External input External output Connector Input select
Input
signal
External
connect kit
(Optional parts)
Indoor unit
Operation/Stop
Forced stop
- Terminal Dry contact Edge -
-
Operation status
CN47 - - UTY-XWZXZG
Error status
Indoor unit fan
operation status
External heater
output
External
input and
output
(UTY-XCSX)
Operation/Stop
-
Input 1/
Input 2
Dry contact/
Apply voltage
Edge/
Pulse
-
Forced
thermostat off
Input 1 Edge
-
Operation status
Output 1
Output 2
Output 3
- - -
Error status
Indoor unit
status
External heater
output
1
2
Terminal
03-11
3-3-1. External input
3-3. EXTERNAL INPUT AND OUTPUT
Y1 Y2 Y3 1 2Y1 Y2 Y3 1 2
Terminal
(External in)
CN71
(Drain pump)
CN9
(Float switch)
CN47
(External out)
CN65
(External in/out PCB)
CN8
(Remote sensor)
CN48
(IR receiver)
Rotary switch
SW2
SW1
Fig. External input and output PCB
Fig. Indoor unit PCB