Daikin RXYQ10PY1 [312/487] Building control system introduction

Daikin RXYQ30PY1 [312/487] Building control system introduction
Control System ED34-645B
704 Control
3.2 Building Control System Introduction
High-speed transmission type air-conditioning control system D-BACS (DAIKIN Building Air-conditioning Control
System) networks up to 64 groups of indoor units (128 units). There is a complete line up of variegated control
equipment for D-BACS, such as parallel interface, or a master station that can directly access a building control
computer via a communication line. Changing control function to a component configuration makes D-BACS a
central control system that can be flexibly combined with other equipment, which can respond to various air-
conditioning control needs such as application, conditions and scale.
3.2.1 Interface for use in BACnet
®
This system sets the control configuration and controls air-conditioning equipment, monitors system status and
possesses a system backup function.
Control configuration setting function for air-conditioning equipment
System Outline
Note:
1. A group consists of several indoor units that can be started or stopped simultaneously. As shown in the figure
above, a group consists of several indoor units wired to the same remote controller. For units without a remote
controller, each unit is treated as a group.
2. Several groups are registered as a zone with the central remote controller. By pushing 1 button of the central
remote controller, all groups within the same zone can be turned on or off simultaneously.
Name Functions
Interface for use in BACnet
®
(DMS502A51)
Interface unit to allow communications between VRV and BMS. Operation and
monitoring of air-conditioning systems through BACnet
®
communications.
Optional DIII board (DAM411A1)
Expansion kit, installed on the DMS502A51, to provide 3 more DIII-NET
communication ports. Not usable independently.
Optional Di Board (DAM412A1)
Expansion kit, installed on the DMS502A51, to provide 16 more wattmeter pulse
input points. Not usable independently.
Central Remote Controller (DCS302CA61) Functions as a backup if the building control systems fails.
Unified ON / OFF Controller (DCS301BA61)
Central control panel for simple operation by ON/OFF switch and LED display. Also
functions as a backup just as with the central remote controller.
Local Remote Controller (BRC1C62)
Provided in each room. Used for operating, setting and monitoring air-conditioning
equipment.

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