Fujitsu Airstage J-II Series Design & Technical Manual page 539

Connection to external contacts
Switch Switch
External switch controller
„ DIMENSIONS
„
4-5/8 (117)
Hole: 1/16 x 5/16 (2 x 8)
For open case
„ INSTALLATION
„
z (1) When connecting to the connector
„
Case 1: For non-polar 2 wire
Use a tool to cut off the terminal on the end of the remote controller cable, and then remove
the insulation from the cut end of the cable as shown in Fig. 1. Connect the remote controller
cable and connecting cable as shown in Fig. 2. Be sure to insulate the connection between the
cables.
Fig.1 Fig.2
20 mm
Insulated
connection
Remote controller
cable (Non-polar)
Connect the remote controller cable to the connecting cable, and insert it to the connector. Set
to "2WIRE" the DIP switch (SW1) on the PC board of the indoor unit.
Set to "2WIRE" the
DIP switch (SW1)
Connect to earth Functional earthing
(ground) screw (If necessary)
Remote controller
cable (Non-polar) Connecting cable
* Layout of Connector and PC
board is varies, depending on
the type of indoor unit.
Select low current use contacts (usable at DC 5 V, 2 mA or less).
Short circuit detection resistance (R ON): ≤ 500 (Ω).
Open circuit detection resistance (R OFF): ≥ 100 (kΩ).
A twister pair cable 16 to 22AWG (0.33 to 1.25 mm²) should be use.
Maximum length of cable is 164 ft. (50 m).
3-Ø3/16 (4.5)
For M4x16 mm
screws
For code (> Ø1/4 (7))
3-7/8 (98)
Connecting
White
cable
Red
Black
Cut and
insulate
Indoor unit
PC board
Connector CNC01
(onboard)
SW1
Connector
Indoor unit
(adapter)
PC board
- (05 - 176) -
Unit: in. (mm)
1-11/16 (43)
2-Ø3/8 (10)
Hole: 2-Ø1/4 (7)
For code ( Ø1/4 (7))
2-Ø5/16 (8)
For code (> Ø3/165)
Hole: 2-Ø3/165
For code ( Ø3/165)