Toshiba BMS-CT2560U-E - User Account Management

16
-EN
Central Control Device (Touch Screen Controller) Installation Manual
When connecting to a previous model custom air conditioner, air to air heat exchanger, or
general purpose equipment control interface
Follow the wiring specifications in the table below even when there is a mix of U series and non-U series in the connected indoor
units or remote controllers.
Wiring specifications
* For wiring size described as X to Y mm
2
, use a size within that range. For other cases, it is the minimum size.
REQUIREMENT
When wiring the control wiring between indoor and outdoor units (Uv line)/control wiring between outdoor units (Uc line) and the
central control wiring (Uh line), use the same wire type and diameter for each line.
Using a mixture of different wire types and diameters may cause a communication error.
System diagram
* The wiring specifications in the system diagram above are the same even when the indoor unit or remote controller are other
than the U series.
Item
Communication line
Central control wiring (Uh line)
Wire diameter *
1.25 mm
2
(up to 1000 m)
2.0 mm
2
(up to 2000 m)
Wire type 2-core, non-polar
Wire types that can be used Shielded wire
U2
U4
U3 U4
U3 U4
U6
U4
U1
Uv
U2
A
B
U3
U2
U5 U6
U3 U4
U1
U3 U4
U3 U4 U3 U4
LINK (Uh)
System
Controller
<U series>
Outdoor unit
(Super Multi
u series)
<U series>
Indoor unit *
<U series>
Remote
controller *
[Central control wiring (Uh line)]
L1 = Up to 2000m
[Control wiring between indoor and outdoor units
(Uv line)/Control wiring between outdoor units (Uc line)]
L2 = Up to 1000m
Custom air
conditioner
Air to air heat
exchanger
General purpose
equipment control
interface