Connection to external contacts
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).
Switch Switch
External switch controller
DIMENSIONS
For M4x16 mm
screws
Hole pitch
(30)(25)
Hole: 2-Ø3/165
Hole: 2-Ø1/4 (7)
For code (
Ø3/165)
For code (> Ø3/165)
For code (
Ø1/4 (7))
For code (> Ø1/4 (7))
3-Ø3/16 (4.5)
3-7/8 (98)
2-Ø3/8 (10)
2-Ø5/16 (8)
4-3/4 (121) 3/8 (10)
1-11/16 (43)
Hole: 1/16 x 5/16 (2 x 8)
4-5/8 (117)
5-1/2 (140)
For open case
1-3/161
(30)
1-3/16
(25)
1
Unit: in. (mm)
INSTALLATION
z
(1) When connecting to the connector
Case 1: For non-polar 2 wire
Use a tool to cut o 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.
Remote controller
cable (Non-polar)
20 mm
Insulated
connection
Red
White
Black
Connecting
cable
Cut and
insulate
Fig.1 Fig.2
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
(ground) screw
Remote controller
cable (Non-polar)
* Layout of Connector and PC
board is varies, depending on
the type of indoor unit.
Connector CNC01
(onboard)
Connecting cable
Functional earthing
(If necessary)
Indoor unit
PC board
Indoor unit
PC board
Connector
(adapter)
SW1
- (05 - 176) -
CONTROL
SYSTEM
CONTROL
SYSTEM
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