Setting Onboard Switches - Toshiba RAV-SM562KRT-E Service Manual

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.
Central controller Central controller
Central controller: Up to 10 units
U1 U2 U1 U2
U3 U4 U3 U4
Refrigerant system 1
Outdoor
unit
1 2 3
Indoor
U3 U4 1 2 3
unit
A B
R/C
Refrigerant line address
SW01 bit 1
Remarks
Refrigerant system 2 Refrigerant system 3
1 2 3
Header
U3 U4 1 2 3
A B
TCC-LINK adapter (option)
Required for custom
indoor units other
R/C wiring
than wall type
R/C
Group operation (up to 8 indoor units)
1 2
ON OFF
Bit 1 ON Factory setting
1 2 3
Follower
1 2 3
A B
R/C
3
OFF
Factory setting
– –
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