Advertisement
Connection of Power Cables/Signal Wires/
2
Earth Wires
The following describes a connection example on the system.
Terminator resistor setting
• TCC-LINK terminator resistor
The TCC-LINK terminator resistor is set on the air conditioner side.
(See "3 Setting" for setting.)
• LON terminator resistor
The LON terminator resistor is set on the upper L
Shield grounding of communication cables
• TCC-LINK communication cable
The shield earth of the TCC-LINK communication cable should be single-point earth on the air
conditioner side. The shield wire should be open and insulated.
• L
W
communication cable
ON
ORKS
The shield earth of the L
L
W
system side. The shield wire should be open and insulated.
ON
ORKS
Building control
system (by other
company)
(Other company's
system)
The shield wire of the L
W
ON
communication cable should be
open and insulated. It is not
connected to the terminal block.
The LON terminator resistor is
set on the upper L
W
ON
ORKS
system side. Do not set it here.
Power supply
220 - 240 VAC
(continued)
W
communication cable should be single-point earth on the upper
ON
ORKS
The shield wire of
TCC-LINK
communication
cable should be
open and insulated.
It is not connected
to the terminal
block.
ON
1
ORKS
SW5
LN interface
TCB-IFLN640TLE
W
system side.
ON
ORKS
The TCC-LINK
Set (maximum -1)
terminator resistor
of the indoor unit
is set on the air
central control
conditioner side.
address with SW1
Set bit 1 and bit 2
and SW2 in
of SW5 to OFF.
hexadecimal
number.
SW1
SW2
2
5
TCC-LINK main bus
U4 U3
Outdoor
Outdoor
unit
unit
U2 U1
U2 U1
U2 U1
Indoor unit
Indoor unit
Remote
controller
U4 U3
U4 U3
Central
U2 U1
remote
controller
U2 U1
Indoor unit
Remote
controller
Advertisement
