External Input And Output; External Input - Fujitsu ABYG18KRTA Design & Technical Manual
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Also See for ABYG18KRTA:
- Service manual (196 pages) ,
- Design & technical manual (461 pages) ,
- Design & technical manual (113 pages)
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8. External input and output
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 150 m.
• 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.
8-1. External input
CN65
CN47
(Ext.in/out PCB)
(Ext.out)
Terminal
(Ext.in)
Fig. Indoor unit PCB
External output Connector
—
Operation status
Error status
Indoor unit fan
—
operation status
External heater
output
—
Operation status
Error status
—
Indoor unit status
External heater
output
Rotary switch
SW2
SW1
Fig. External input and output PCB
Input select
Terminal
Dry contact
CN47
—
Input 1/
Input 2
Dry contact/
Apply voltage
Input 1
Output 1
Output 2
—
Output 3
- 38 -
External
Input
connect kit
signal
(Optional
parts)
Edge
—
—
UTY-XWZXZG
Edge/
Pulse
—
Edge
—
—
Terminal
1
2
8. External input and output
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