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Intelligent controller (SHA-KT256EG)
(Dimensions: H 240 x W 280 x D 138 mm)
*Power supply
AC 100 to 240 V (50 Hz), 20 W
(separate power supply)
*I /O part
Remote input (voltage-free contact):
All on/off
Remote output (voltage-free contact):
All ON, All alarm
(external power supply within DC 30 V)
*Total wiring length
1 km for each system
* Only for embedding in the panel
Limitation contents for prohibited operation
Prohibition means limitation of the operation contents from the remote controller.
It is also possible to change the prohibition items.
Limitation contents
There is no limitation for the operation of the remote controller. However,
the contents will be changed to the contents of the controller operated last.
Individual
(Last-pressed priority)
The remote controller cannot be used for ON/OFF. (All other
Prohibition: 1
operations are possible from the remote controller.)
The remote controller cannot be used for ON/OFF, operation mode
change, and temperature setting. (All other operations are possible from
Prohibition: 2
the remote controller.)
The remote controller cannot be used for operation mode change and
temperature setting. (All other operations are possible from the remote
Prohibition: 3
controller.)
The remote controller cannot be used for operation mode change.
Prohibition: 4
(All other operations are possible from the remote controller.)
Note: Avoid joint use of the AMY system and the intelligent controller on the same
indoor/outdoor operation line.
Communication adaptor (SHA-KA128AGB)
(Dimensions: H 260 x W 200 x D 68 mm)
* Power supply: AC 100 to 240 V (50 Hz),
3 W (separate power supply)
Web
application
*Display sample
Max. 256 indoor units (4 systems x 64 units) can be controlled. In case of three or
more systems, a communication adapter SHA-KA128AG must be installed on the outside.
Operation is possible as batch, in zone units, in tenant units, and in group units.
ON/OFF, operation mode setting, temperature setting, for speed setting,
air flow direction setting (when used without a remote controller), and remote controller
local operation prohibition (prohibition 1, 2, 3, 4) can be done.
A system without a remote controller is possible. Joint use with a remote controller or
a system controller etc. also is possible.
Use of a schedule timer and holiday setting also can be done.
Proportional distribution of the air-conditioning energy is possible.
Input pulse signal from Electric or Gas consumption meter.
* In case of joint use with a wireless remote control system, there are limitations for the control mode.
Please use only with "Permission" and "Prohibition 1".
Intelligent
controller
SHA-KT256EG
System signal x 4
RS 485
(Polarity shield wire)
Communication
adapter
SHA-KA128AGB
Max. 4 links can be connected for
the indoor/outdoor operation line=
Required to connect three or more linked wiring systems
(indoor/outdoor operation lines) to the intelligent controller .
Also required for connection of the AMY software.
* For more detail, please take a look at page 58.
Two linked wiring systems can be connected to one SHA-KA128AG, but max.
4 systems can be connected for the entire intelligent controllers.
* As this is not a splash-proof design, it must be installed indoors or
in the control panel etc.
Linked system No. 1
Linked system No. 2
Linked system No. 3
Linked system No. 4
System signal x 4
Max. 64 indoor units x 4 (256 units)
Max. 30 outdoor units x 4 (120 units)
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