beautypg.com

Wiring requirements – Lochinvar 1.5 User Manual

Page 13

background image

13

4

Wiring Requirements

(continued)

Modbus RS485 Communication Bus

Modbus RS485 Port on Gateway or Building System

Physical Configuration: Direct Control

Cascade Daisy Chain Connection

Modbus RS485 Communication Bus

Modbus RS485 Port on Gateway or Building System

Physical Configuration: Cascade with individual Monitoring

ModBus Instructions