Fujitsu Airstage J-II - External Input; Optional Parts; Rb Unit

RB UNIT1-3.
External input External output Input select Connector External connect kit
(Optional parts)
Cooling priority/
Heating priority
-
Dry contact CNA01 UT Y-XWZXZ6
Apply voltage CNA02 UT Y-XWZXZB
EXTERNAL INPUT1-3-1.
RB unit can be cooling priority/heating priority selection by using RB unit PCB CNA01 or CNA02. ●
The "external input priority mode" must be set by changing DIP SW on PC board of RB unit. ●
A twisted pair cable (22AWG) should be used. Maximum length of cable is 150m. ●
Use an external input 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. ●
INPUT SELECT

Use either one of these types of terminal according to the application. (Both types of terminals
cannot be used simultaneously.)
Dry contact terminal ([CNA01])
z
When a power supply is unnecessary at the input device you want to connect, use the Dry
contact terminal ([CNA01]).
1
2
connected unit
P.C. B
GND
*a
*b
CNA01
*a: Select very low current use contacts (usable at DC12V, DC1mA or less).
*b: The wiring is different from Apply voltage terminals. Be sufciently careful when wiring.
- (08 - 25) -
EXTERNAL INPUT & OUTPUT EXTERNAL INPUT & OUTPUT