Wiring Specifications - Toshiba RAV-SM564UT-E Service Manual

4. Wiring specifications

• Use 2-core with no polar wire.
• Match the length of wire to wire length of the central
control system.
If mixed in the system, the wire length is lengthened
with all indoor/outdoor inter-unit wire length at side.
• To prevent noise trouble, use 2-core shield wire.
• Connect the shield wire by closed-end connection and apply open process (insulating process) to the last
terminal. Ground the earth wire to 1 point at indoor unit side. (In case of central controlling of digital inverter
unit setup)
1) Closed-end connection of shield wire (Connect all the connecting parts of each indoor unit)
2) Apply open process to the last terminal (insulating process).
Central control device
3) Ground earth wire to 1 point at indoor unit side.
U1 U2
Outdoor unit
1 2 3
Indoor unit U3 U4 1 2 3
A B
Remote controller
5. P.C. board switch (SW01) setup
When performing collective control by customized setup only, the setup of terminator is necessary.
• Using SW01, set up the terminator.
• Set up the terminator to only the adapter connected to the indoor unit of least line address No.
Central control device Central control device
U1 U2 U1
U3 U4 U3
Refrigerant line 1
Outdoor unit
1 2 3
Indoor unit U3 U4 1 2 3
A B
TCC-LINK adapter
This product
( )
sold separately
Remote controller
Line address 1
SW01 Bit 1 ON
SW01 Bit 2 OFF
Remarks Turn SW01 Bit 1 to ON.
(Reference) Setup contents of switch
SW01
Bit 1 Bit 1
OFF OFF
ON OFF
OFF ON
ON ON
Tel: 01823 665660
Heronhill - for all your Toshiba requirements
1 2 3
Master
Sub unit
unit
U3 U4 1 2 3
A B
Remote controller Remote controller
(Group operation)
Central control devices: Max. 10 units
U2
U4
Refrigerant line 2 Refrigerant line 3
1 2 3
Master
unit
U3 U4 1 2 3
A B
Remote controller wiring
Remote controller Remote controller
Group operation (Max. 8 units)
2
OFF
OFF
As status shipped from factory
Terminator
None Mixed with multi (Link wiring) at shipment from factory
100Ω Central control by digital inverter only
75Ω Spare
43Ω Spare
– 159 –
www.heronhill.co.uk
No. of wires
Up to 1000m: twisted wire 1.25mm
2
Up to 2000m: twisted wire 2.0mm
CAUTION
Central control system wiring
1 2 3 1 2 3
Sub unit
1 2 3 1 2 3
A B A B
Remote controller
(Twin operation)
Refrigerant line 4
1 2 3 1 2 3
Indoor/outdoor inter-unit wire (AC230V serial)
Sub
Sub unit
unit
1 2 3 1 2 3
A B A B
Remote controller
Twin operation
OFF
OFF
As status shipped from factory
Remarks
Size
: TCC-LINK adapter
(This option)
Master unit
U3 U4 1 2 3
A B
Earth terminal
Central control system wiring
* Wiring for No.1 and 2 only
Master unit
U3 U4 1 2 3
A B
Remote controller
4
(OFF at shipment from factory)
(OFF at shipment from factory)
Fax: 01823 665807
2
2