Setup At Local Site / Others - Toshiba RAV-HM561UTP Series Service Manual

9-2. Setup at Local Site / Others

Model name: TCB-PCNT30TLE2
9-2-1. 1:1 Model Connection Interface (TCC-LINK adapter)
1. Function
This model is an optional P.C. board to connect the indoor unit to 1:1 model connection interface.
(Communication protocol:TU2C-Link or TCC-Link)
2. Microprocessor block diagram
CN50
Indoor control
P.C. board
CN41
Terminal block
(A, B)
Remote controller
3. 1:1 model connection interface wiring connection
1) When controlling DI, SDI series collectively, 1:1 model connection interface (This option) is required.
2) In case of group operation, twin-triple operation, the 1:1 model connection interface is necessary to be
connected to the header unit.
3) Connect the central control devices to the central control system wiring.
4) When controlling DI, SDI series only, turn on only Bit 1 of SW01 of the least line of the system address No.
(OFF when shipped from the factory)
5) In the following cases, change the communication type to TCC-Link with the wired remote controller.
Refer to 28 Communication type setting of 5-2. Control Specifications.
• When performing group control in combination with the indoor unit dedicated to TCC-Link (other than RAV-
HM∗∗∗ series).
• When connecting to the central control device dedicated to TCC-Link.
∗ ∗ ∗ ∗ ∗ In case of DI, SDI series, the address is necessary to be set up again from the wired remote
controller after automatic addressing.
Central control device Central control device
Uh
U3 U4
Refrigerant line 1
Outdoor unit
1 2 3
Indoor unit
U3 U4 1 2 3
Uh
A B
1:1 model connection
interface
This product
( )
sold separately
Remote controller
Indoor unit
1:1 model connection interface
P.C. board
1:1 model
CN51
connection interface
communication circuit
Central control devices: Max. 20 units (TU2C-Link) / 10 units (TCC-Link)
Uh
U3 U4
Refrigerant line 2 Refrigerant line 3
1 2 3
Header
unit
U3 U4 1 2 3
Uh
A B
Remote controller
wiring
Remote controller
Group operation
Indoor units in all refrigerant lines: Max. 128 units (TU2C-Link) / 64 units (TCC-Link)
[If mixed with SMMS (Link wiring), multi indoor units are included.]
* However group follower units of SDI, DI series are not included in number of the units.
Terminal
resistance
SW01
MCC-1440
Communication units
Communication distance : 2000 m
CAUTION
Refrigerant line 4
1 2 3 1 2 3
Follower Follower
unit
unit
1 2 3 1 2 3
A B A B
Remote controller Remote controller
T w / n i r T
- 94 -
Central controller
CN40
1:1 model
connection interface
: Total 128 units (TU2C-Link)
Total 64 units (TCC-Link)
Indoor/outdoor inter-unit wire (AC230V serial)
Central control system wiring
* Wiring for No.1 and 2 only
Header unit
U3 U4 1 2 3
Uh
A B
p i e l o p e a r o i t n E ( a x m p e l f o r t l p i ) e
Follower
unit
1 2 3
A B