Toshiba RAV-SP454ATZG-E service manual TCC-LINK Adapter For TCC-LINK Central Control Function, 119

12-2. Setup at Local Site / Others

Model name: TCB-PCNT30TLE2

12-2-1. TCC-LINK Adapter (For TCC-LINK Central Control)

1.Function

This model is an optional P.C. board to connect the indoor unit to TCC-LINK (Central controller).

2.Microprocessor block diagram

Indoor unit

	TCC-LINK adapter P.C. board		CN40
CN050	CN51
Indoor control		TCC-LINK	Terminal
P.C. board		communication circuit	resistance
CN041
			SW01
Terminal block			MCC-1440
(A, B)

Central controller

TCC-LINK

Remote controller

Communication units : Total 64 units

Communication distance : 2000 m

3. TCC-LINK wiring connection

CAUTION

1)When controlling customized setup collectively, TCC-LINK adapter (This option) is required.

2)In case of group operation or twin operation, the adapter is necessary to be connected to the main unit.

3)Connect the central control devices to the central control system wiring.

4)When controlling collectively customized setup only, turn on only Bit 1 of SW01 of the least line of the system address No. (OFF when shipped from the factory)

∗In case of customized setup, the address is necessary to be set up again from the wired remote controller after automatic addressing.

Central control device

U1 U2

U3 U4

Central control device

U1 U2

U3 U4

Central control devices: Max. 10 units

Refrigerant line 1 Refrigerant line 2 Refrigerant line 3

Outdoor unit

Refrigerant line 4

1 2 3

Caution 3

Indoor unit	U3 U4	1	2	3
			A B
TCC-LINK adapter
This product
( sold separately )	Caution 1

	1	2	3	1	2	3
			Master			Sub
			unit			unit
U3 U4	1	2	3	1	2	3
		A B			A B

Caution 2

Remote controller wiring

1 2 3

Indoor/outdoor inter-unit wire (AC230V serial)

Central control system wiring

* Wiring for No.1 and 2 only

			Sub unit							Master unit
1	2	3		U3 U4	1		2		3
	A B					A		B

Remote controller Remote controller Remote controller

Remote controller

Group operation (Max. 8 units)Twin operation

Indoor units in all refrigerant lines: Max. 64 units

[If mixed with multi model (Link wiring), multi indoor units are included.]

* However group sub units and twin sub units of customized setup are not included in number of the units.

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