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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
9-2. Setup at Local Site / Others
Model name: TCB-PCNT30TLE2
9-2-1. 1:1 Model Connection Interface
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 customized setup collectively, 1:1 model connection interface (This option) is required.
2) In case of group operation, the 1:1 model connection interface is necessary to be connected to the main 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.
Indoor units in all refrigerant lines: Max.64 units
[If mixed with SMMS series (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
123
A
B
U3
U4
Caution 3
123
A
B
U3
U4 1 2 3
A
B
1:1 model connection interface
This product
sold separately
( )
Caution 1
Header
unit
Follower
unit
Caution 2
Remote controller Remote controllerRemote controller
Remote controller
wiring
Group operation (Max. 8 units)