1-4-2. EXTERNAL OUTPUT
Connector Output voltage Status
CN410
(Black)
Ch1 0 V All of indoor units "Stop"
Pins1-2 DC 12 V *17 At least one more indoor units "Operation"
Ch2 0 V Normal
Pins3-4 DC 12 V *17 Error
1
2
3
4
P.C. B
CN410
(Black)
Connected load
*18
connected unit
Connected load
*18
DC power supply
12 V
+
+
+
+
-
-
-
-
*19
*17: Provide a DC 12 V power supply. Select
a power supply capacity with an ample
surplus for the connected load.
Do not impress a voltage exceeding 12 V
across pins 1-2, and 3-4
*18: The allowable current is DC15mA or
less. Provide a load resistance such that the
current becomes DC 15 mA or less.
*19: Polarity is [+] for pins 1,3 and [-] for pins
2,4.
OPERATION STATUS (External output1)
The output for CN410(1-2) is ON when at least one more indoor units is operating.
The output is OFF when all of indoor units is stopped.
CN410(1-2)
Output
Indoor
units
Operation
Stop
12 V
0 V
ERROR STATUS (External output2)
The output for CN410(3-4) is ON when Error of at least one more indoor unit or outdoor unit or
Touch panel controller is generated.
CN410(3-4)
Output
Indoor unit or
Outdoor unit
or Touch panel
controller
Error
Normal
12 V
0 V
1-4-3. PARTS
Name and shapes Q'ty Model
EXTERNAL
CONNECT KIT
1 UTY-XWZXZA
- (08 - 52) -
EXTERNAL INPUT
& OUTPUT
EXTERNAL INPUT
& OUTPUT
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