Bst Setup: Outdoor Air Temperature Reset - Watts AERCO Benchmark BMK5000 Operation And Service Manual

Benchmark Platinum-Edge [ii]: Operation-Service Manual
SECTION 7 – BOILER SEQUENCING TECHNOLOGY
BST Remote Setpoint Setup Instructions
14. If the unit will communicate with the site's BAS (Building Automation System), the Select
BAS Mode screen appears. Choose the communication protocol it will use, or press Off.
15. Fill in the parameters to establish communications with BAS via the option you selected.
16. Once the setup has been configured, the EZ Setup Complete screen displays a summary
of the completed setup as verification that the setup is complete and saved.

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 Outdoor Air Temperature Reset option is
disabled.
BST Outdoor Air Reset Setpoint Instructions
Main Menu → EZ
1. Go to:
2. On the Select Configuration screen press BST Cascade.
3. On the Cascade Role screen select BST Manager then press Next.
4. The next screen displays the current time and date. Press Next to continue or press either
field and enter the correct time or date.
5. On the Cascade Communication screen, fill in the settings that appear.
•
Unit Address: The unique communication address of the current (Manager) unit.
(Range: 1 to 127)
•
Min & Max Address: The address range in the BST cascade, 1 up to the total number
of units in the cascade; for example, 1 and 10 (Max Address maximum = 16).
•
SSD Address: The Client/Client Device address. This parameter is for backwards
compatibility with the C-More Control system.
•
Cascade Baud Rate: Select the rate at which information is transferred in a
communication channel: 9600, 19200, 38400 or 115200 bits per second.
•
Plant Failsafe Mode: The Manager's operating mode if there is a loss of
communication between the Manager and Client units, or to the BAS or external
signal/sensor, such as an outdoor sensor (default = Constant Setpoint).
Plant Failsafe Setpoint (only if Plant Failsafe Mode = Constant Setpoint):
•
Specify the Setpoint for all units in the cascade.
6. The Client Address screen appears as a reminder to setup all Client units in the BST
Cascade before continuing. Once all Client units are setup, press Next to continue.
7. The Unit Address screen shows a grid with a color-coded square representing each unit
discovered in the cascade and a code indicating its current status. Before continuing, verify
that this screen confirms your understanding of the state of all units in the cascade.
IMPORTANT!
Do not continue past this screen unless it accurately represents the cascade you are
creating.
8. When the Select Your Boiler Application screen appears, chose Space Heating.
OMM-0137_J •
12/20/2022
Setup.
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