Fujitsu AIRSTAGE J-IIIL - Page 765

When connecting to Apply voltage terminals of multiple indoor units, be sure to make a branch
outside the indoor unit using a pull box, etc. as shown in example below.
1
2
3
+
+
-
-
-
Input device 1
Input device 2
DC power supply
12 to 24 V
Connected unit
PCB
CNA01
Load
resistance
Load
resistance
Indoor unit
1
2
3
+
-
-
PCB
CNA01
Indoor unit
1
2
3
+
-
-
PCB
CNA01
Indoor unit
• CNA02, CNA04: Dry contact terminal
When a power supply is unnecessary at the input device you want to connect, use the Dry contact
terminal (CNA02, CNA04).
1
2
1
2
3
Connected unit
P
CB
GND
Ch1
Ch3
Ch2
CNA02
CNA04
*
1
*
1
*
2
*
1
*
1
:
Select very low current use contacts (usable at DC 12 V, DC 1 mA or less).
*
2
:
The wiring is different from Apply voltage terminals. Be sufficiently careful when wiring.
3-2. External input - (08-11) - 3. Indoor unit
EXTERNAL INPUT AND OUTPUT EXTERNAL INPUT AND OUTPUT