ON-SITE SETTING AND OTHERS (Continued)
3.1.5 Setting Onboard Switches
Setting of terminating resistors is necessary for central control of custom indoor units only.
• Use SW01 to set terminating resistors.
•
Set terminating resistors for the indoor unit only with the smallest refrigerant line address.
1 2 3
A B
U3 U4
U1
U3
U2
U4
1 2 3
1 2 3
A B
U3 U4
1 2 3
1 2 3
A B
1 2 3
U1
U3
U2
U4
1
ON
2
OFF
3
OFF
Central controller: Up to 10 units
Central controller Central controller
Refrigerant system 1
Refrigerant system 2
Refrigerant system 3
Outdoor
unit
R/C wiring
Header
Follower
R/C
R/C
R/C
TCC-LINK adapter (option)
Required for custom
indoor units other
than wall type
Indoor
unit
Group operation (up to 8 indoor units)
Refrigerant line address
SW01 bit 1
Remarks
Bit 1 ON Factory setting Factory setting
–
65
–
