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CN51
CN40
SW01
Remote controller
Indoor control
P.C. board
1:1 model
connection interface
communication circuit
Terminal
resistance
1:1 model connection interface
P.C. board
MCC-1440
Indoor unit
1:1 model
connection interface
Communication units : Total 64 units
Communication distance : 2000 m
CN050
CN041
Terminal block
(A, B)
Central controller
Indoor units in all refrigerant lines: Max. 64 units
[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.
Central control device
U1
U3
U2
U4
Central control device
U1
U3
123
U2
U4
Central control devices: Max. 10 units
Refrigerant line 1
Outdoor unit
Indoor unit
12
3
Refrigerant line 2
12
3
Refrigerant line 3
12
3
Refrigerant line 4
123
A
B
U3
U4
Caution 3
123
A
B
U3
U4 123
A
B
123
A B
123
A B
123
A B
U3
U4
1:1 model connection
interface
This product
sold separately
( )
Caution 1
Remote controller
Indoor/outdoor inter-unit wire (AC230V serial)
Central control system wiring
Header unit
Header
unit
Follower
unit
Followe
r
unit
Follower
unit
* Wiring for No.1 and 2 only
Caution 2
Remote controller Remote controller Remote controller
Remote controller
wiring
Group operation (Max. 8 units) Twin/Triple operation (Example of triple)
8-2. Setup at Local Site / Others
Model name: TCB-PCNT30TLE
8-2-1. 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.
2. Microprocessor block diagram
3. 1:1 model connection interface wiring connection
CAUTION
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)
∗ In case of DI, SDI series, the address is necessary to be set up again from the wired remote
controller after automatic addressing.