Sanyo DHX4852 - Manual (Page 86)

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Control of W-2WAY ECO-i SYSTEM
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4. System Controller
TD831078
III - 26
3
System controller / SHA-KC64UG
�
Example of central control with system controller (individually controlled)
New control wiring system (S-net link system)
�
New control wiring system (S-net) allows connection of as many as total of 94 units (64 Indoor unit
+30 Outdoor unit) to a single contorl line (non-polar twin-line main bus).
�
The main bus is twin-core and non-polar for easier wiring.
�
Using concurrently as remote controller, system controller can control maximum up to 64 indoor units (or
groups) individually.
�
The system without remote controller can be formed.
�
Maximum up to 2 system controllers (1 main, 1 sub) can be installed.
�
It can separate the 64 indoor units into 4 zones and control each zone individually.
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Maximum up to 16 groups can be registered to each zone.
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Collective control and individual group (unit) control can be performed also.
�
Alarm and operation output for an external collected signal is available (potential free contact) DC24V
Max. 1A.
�
Input terminal for collective operation on / off is available.
Outdoor unit
Remote
controller System
controller
(main)
System without
Remote controller
Group
control
Outdoor unit
2157_M_I
System
controller
(sub) Remote
controller Group
control Group
control
Remote
controller
TD831138-02_W-2WAY.indb 38 2007/07/26 14:31:43