Daikin WSC Manuale di installazione e manutenzione - Pagina 2
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Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Software Revision . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Reference Documents . . . . . . . . . . . . . . . . . . . . . . . 3
Hazardous Information Messages . . . . . . . . . . . . . . 4
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Component Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Modbus Network Connector . . . . . . . . . . . . . . . . . . 5
8-Pin Header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Installation and Mounting . . . . . . . . . . . . . . . . . . . . . . 6
Field Installation Kit . . . . . . . . . . . . . . . . . . . . . . . . . 6
Installing a new Communication Module . . . . . . . . . 6
Replacing a Communication Module . . . . . . . . . . . . 8
© 2022 Daikin Applied, Minneapolis MN. All rights reserved throughout the world
Daikin Applied reserves the right to change any information contained herein without prior notice. The user is responsible for
determining whether this product is appropriate for his or her application.
IM 743-7 • MICROTECH II CHILLER UNIT CONTROLLER
Network Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 9
Set up the Unit for Network Control . . . . . . . . . . . . . . 9
Network Setup for Centrifugal Chillers. . . . . . . . . . . 9
Network Setup for all other Chillers . . . . . . . . . . . . . 9
Modbus Network Addressing . . . . . . . . . . . . . . . . . . . 9
Modbus Network Considerations . . . . . . . . . . . . . . . 9
Additional Modbus Configuration Parameters . . . . 10
Parts and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Network Parameters . . . . . . . . . . . . . . . . . . . . . . . 11
Network wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Network Performance . . . . . . . . . . . . . . . . . . . . . . 11
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
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