Watts AERCO Benchmark BMK5000 User Manual

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 7 – BOILER SEQUENCING TECHNOLOGY
OMM-0145_D • GF-218 • 11/2/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 119 of 213
OPTION 4 Instructions: Outdoor Reset, Modbus Header Temp Sensor & Modbus Outdoor
Temp Sensor
OPTION 4 Step 4 –CONFIGURATION
Using the Modbus Transmitter gives the plant the ability to use the Backup manager
feature. This allows any of the client units to become a Backup manager if the manager
unit is not communicating.
On All Boilers:
1. Go to: Main Menu → Advanced Setup → BST Cascade → Cascade Configuration:
• Set the Unit Mode parameter to BST Client.
2. Go to: Main Menu → Advanced Setup → BST Cascade → Cascade Communication:
• Set the Unit Address parameter to the communication address of the unit.
On the BST Manager only:
1. Go to Main Menu → Advanced Setup → BST Cascade, set the Parameters to the Values
in each menu in the table below.
Menu/Screen Name
Parameters
Values
Cascade
Configuration
Auto Manager Transfer
Enabled (This is available on the Manger unit
only)
Auto failover Type
C-More
Backup Manager Address
Enter the designated backup unit address
Unit Mode
BST Manager
Hdr Temp Sensor
Network
Sensor Comm Address
240
Hdr Temp Point
14
Application
Configuration
Application
Space Heating
SH Operating Mode
Outdoor Reset
Outdoor Temp Sensor
Network
Sensor Comm Address
240
Outdoor Temp Point
15
Plant Setpoint
Header temperature required for the cascade
Cascade Comm
Min address
The minimum unit address in the cascade
Max address
The maximum unit address in the cascade
Cascade Baud Rate
The baud rate for the cascade.

Watts AERCO Benchmark BMK5000 Specifications

General

Brand	Watts
Model	AERCO Benchmark BMK5000
Category	Boiler
Language	English