Toshiba RAV-GM301ATP-E, Service Manual

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10
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8
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4
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 control device
U1
U3 U2
U4
Central control device
U1
U3
1 2 3
U2
U4
Central control devices: Max. 10 units
Refrigerant line 1
Outdoor unit
Indoor unit
1 2 3
Refrigerant line 2
1 2 3
Refrigerant line 3
1 2 3
Refrigerant line 4
1 2 3
A B
U3 U4
1 2 3
A B
U3 U4 1 2 3
A B
1 2 3
A B
1 2 3
A B
1 2 3
A B
U3 U4
TCC-LINK adapte
(option)
Required for
DI-SDI
indoor units other
than WallTyoe
Remote controller
Indoor/outdoor inter-unit wire (AC230V serial)
Central control system wiring
Header
unit Header unit
Followerunit Follower unit
Follower
unit
* Wiring for No.1 and 2 only
Remote controller Remote controller Remote controller
Remote controller wiring
Group operation
(Max. 8 units)
Twin/Triple operation
(Example of triple)
(OFF at shipment from factory)
Line address
SW01 Bit 1
Remarks
1
ON
Bit 1 to ON.
2
OFF
Factory setting
3
OFF
Factory setting
4
OFF
As status shipped from factory
FILE NO. SVM-18059
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