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6. Electrical Wiring
6.1
Wiring Procedures
1. Read and understand safety summary in this manual well to perform wiring work. Wiring work for
power line and line for communication with air conditioners (H-LINK) are required.
Wiring work for communication with extension adapter (LAN) is also required for use of extension
adapter (PSC-AD128EX3).
Note that wiring work for communication with external devices also is required if any external devices
are to be connected to the system. Ensure power to Central Station EX is turned OFF.
6.2
Wiring Work
1. Ensure that the power line and the power on connecting devices are all turned OFF before performing
any wiring work.
2. Follow the instruction below to perform wiring work.
Type of Wiring
Specification
Wiring Length
Cable Specificaiton
Cable Model
Terminal/Connector
Connection Procedure
Type of Wiring
Specification
Wiring Length
Cable Specificaiton
Cable Model
Terminal/Connector
Connection Procedure
NOTICE:
● Secure space longer than 150mm between communication lines (H-LINK, LAN, External Input/output).
A12124820A
Table 6.1 Connecting Wires
Power Supply Cable
100-240V±10% (50Hz-60Hz)
—
1.25mm
to 2mm
2
2
CVV, CEV, CCV
M4 Screw Terminal
(with Terminal Cover)
L
N
GND
TB1
Screw
Tightening
Torque:
0.4lbf·ft(0.5N·m)
Use an insulated crimp terminal. Connect the cable
to power source terminal.
Connect ring terminal to each terminal with screws
provided.
* To prevent electric shock, do NOT remove the
terminal cover.
LAN Cable
IEEE802.3 Compliant
1000BASE-T*/100BASE-TX
/10BASE-T
* Use 1000BASE-T for Remote
Access software.
100m or less
LAN Cable
Category 5 or more
—
RJ45 Connector
Connect the cable to LAN terminal.
Insert cable until lock sound is heard.
H-LINK (Control Cable)
5VDC
1,000m or less
AWG18 (0.75mm
JKFEV-S, JKEV-S, CVV
M3 Screw Terminal
TB2
Use an insulated crimp terminal.
Connect the cable to H-LINK terminal.
Connect ring terminal to each terminal with screws
provided.
External In/Output Cable
Input: DC24V 10mA
Output: Dry/Wet Contact Setting DC24V 40mA or less
70m or less
0.5mm
to
2
1.25mm
2
CVV, CEV, CCV, JKEV-S
M3 Screw Terminal
COM
COM
IN1
IN2
IN3
IN4
IN5
TB3
TB4
Not Used
Similarly
Use an insulated crimp terminal. Connect the cable to external in/
output terminal. Connect ring terminal to each terminal with screws
provided.
NOTE:
When connecting external output at wet contact setting, the DIP
switch setting is required.
) to AWG16 (1.25mm
)
2
2
No Polar
Screw
Tightening
Torque:
0.4lbf·ft(0.5N·m)
OUT1
OUT2
COM
COM
(+) (–)
(+) (–)
TB5
Screw
Tightening
Torque:
0.4lbf·ft(0.5N·m)
Similarly
13
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