Watts AERCO Benchmark BMK750 Operation And Service Manual page 123

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 7 – BOILER SEQUENCING TECHNOLOGY
OPTION 8 Instructions: Remote Setpoint, Modbus Header Temp Sensor & Modbus Setpoint
Drive
Using the Modbus Transmitter provides gives the plant the ability to use the Backup
manager feature. This allows the any of the client units to become a Backup manager if
the manager unit is not communicating.
On the BST Manager only:
Main Menu → Advanced Setup → BST
1. Go to
in each menu in the table below.
Menu/Screen Name
Cascade
Configuration
Application
Configuration
Cascade Comm
OMM-0145_A99 • GF-218 •
Parameters
Unit Mode
Hdr Temp Sensor
Sensor Comm Address
Hdr Temp Point
Application
SH Operating Mode
Min address
Max address
Cascade Baud Rate
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
9/18/2019
Cascade, set the Parameters to the Values
Values
BST Manager
Network
240
14
Space Heating
Rmt Setpt Netwrk
The minimum unit address in the cascade
The maximum unit address in the cascade
The baud rate for the cascade.
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