Watts AERCO Benchmark BMK750 Operation And Service Manual page 117

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 7 – BOILER SEQUENCING TECHNOLOGY
OPTION 5 Instructions: Remote Setpoint, Direct Wired Header Temp Sensor, 4-20ma Setpoint
Drive
Step 3: OPTION 5 CONFIGURATION
On All Boiler:
Main Menu → Advanced Setup → BST Cascade → Cascade
1. Go to:
•
Set the Unit Mode parameter to BST Client.
Main Menu → Advanced Setup → BST Cascade → Application
2. Go to:
•
Set the Unit Address parameter to the communication address of the unit.
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
* Be sure that the SW1-4 DIP switch on Controller's Interface Board is set appropriately (On = Current,
Off = Voltage.)
OMM-0145_A99 • GF-218 •
Parameters
Unit Mode
Hdr Temp Sensor
Application
SH Operating Mode
BST Remote Signal
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
Header Temp
Space Heating
Rmt Setpt Analog
4-20mA/1-5V *
The minimum unit address in the cascade
The maximum unit address in the cascade
The baud rate for the cascade.
Configuration:
Configuration:
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