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SECTION 7 BOILER SEQUENCING TECHNOLOGY
Application Configuration
Cascade Comm
7.2.3 BST Setup: Outdoor Air Temperature Reset
Complete the instructions below to configure the Controller for Outdoor Air Temp Reset.
NOTE: If the outdoor air sensor is not connected, the Reset option is disabled.
On All Boilers:
Main Menu → Advanced Setup → BST Cascade → Cascade
1. Go to:
Main Menu → Advanced Setup → BST Cascade → Cascade
2. Go to:
On the BST Manager only:
Main Menu → Advanced Setup → BST
1. Go to
menu in the table below.
Menu/Screen Name
Cascade Configuration
Application
Configuration
Cascade Comm
•
Application
SH Operating Mode
SH Rmt Setpt Source
Min address
Max address
Cascade Baud Rate
•
Set Unit Mode to BST Client.
•
Set Unit Address to the communication address of the unit.
Parameters
Auto Manager Transfer
Backup Manager Address
Unit Mode
Hdr Temp Sensor
Sensor Comm Address
Hdr Temp Point
Outdoor Air Temp Sens
Outdoor Tmp Addr
OAT Temp Point
Application
SH Operating Mode
Warm Weather Shtdwn
OAR Min Outside Temp
OAR Max Setpoint
OAR Max Outside Temp
OAR Min Setpoint
Min address
Max address
Cascade Baud Rate
•
Space Heating
Rmt Setpt Analog
4-20mA/0-20mA/1-5V/0-5V/Network/BAS
The minimum unit address in the cascade
The maximum unit address in the cascade
The baud rate for the cascade.
Cascade, set the Parameters to the Values in each
Values
Enabled (This is available on the Manger unit only)
Enter the designated backup unit address
BST Manager
Network
240
14
Network
240
15
Space Heating
Outdoor Reset
The threshold outside temperature above which the
unit shuts down
The minimum outside temperature the system can
read; it is tied to the OAR Max Setpoint
The maximum allowable setpoint
Outdoor Air Reset Maximum Outside Temperature
that the system will operate to.
The minimum allowable setpoint
The minimum unit address in the cascade
The maximum unit address in the cascade
The baud rate for the cascade.
•
Configuration:
Communication:
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