External Input And Output; External Input - Fujitsu ACUH09LUAS1 Design & Technical Manual

8. External input and output

CN65
PCB

External input

Operation/Stop
Forced stop
Indoor unit
Operation/Stop
Forced
thermostat off
External input
and output
(UTY-XCSX)
8-1. External input
• "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 492 ft (150 m).
• The wire connection should be separate from the power cable line.
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.
8-1. External input
Indoor unit PCB
Terminal
(Ext. in)
External output Connector
—
Operation status
Error status
Indoor unit fan
—
operation status
External heater
output
—
Operation status
Error status
Indoor unit fan
—
operation status
External heater
output
Rotary switch
SW2
SW1
CN47
(Ext. out)
Input select
Terminal Dry contact
CN47
—
CN47
Input 1/
Input 2
Dry contact/
Apply voltage
Input 1
Output 1
Output 2 —
Output 3
- 24 -
External input and output PCB
External
Input connect kit
signal (Optional
parts)
Edge —
UTY-XWZXZG
—
Edge/
Pulse
—
Edge
— —
Terminal
1
2
8. External input and output