Installation Notes; Bst Implementation Instruction - Watts AERCO Benchmark BMK5000 Operation And Service Manual
Platinum boilers with edge controller
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Also See for AERCO Benchmark BMK5000:
- Operation and service manual (213 pages) ,
- Installation and start-up manual (62 pages) ,
- Design manual (12 pages)
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Benchmark Platinum-Edge [ii]: Operation-Service Manual
SECTION 7 – BOILER SEQUENCING TECHNOLOGY
7.1.1 Installation Notes
A ProtoNode is needed for all protocols on BMK. If your installation includes a ProtoNode SSD
(Client-Client Device), you must adhere to the procedure listed below. Failure to complete these
steps can result in the failure of the BST system.
a)
Do NOT install the ProtoNode device at the outset of the installation. If the ProtoNode device
is already installed, you must physically disconnect it from the Modbus network on the I/O
board.
b)
Make sure that the Modbus load and bias resistors are properly configured for the system
to operate without the ProtoNode installed.
c)
Temporarily set the BST system for Constant Setpoint mode of operation (see below).
d)
Turn on and completely test the installation to verify that it is operating proper.
e)
Once the installation is working properly as a BST system, install the ProtoNode device.
f)
Make sure that the Modbus load and bias resistors are properly configured for the system
to operate with the ProtoNode installed.
g)
Set the BST system for desired mode of operation (Setpoint mode).
h)
Test the system completely with the ProtoNode installed.
The BST setup options are:
1. Constant Setpoint
2. Remote Setpoint, which includes two options:
•
Analog Input (4-20mA, 0-20mA, 1-5V, or 0-5V)
•
BAS Mode (Network or BAS)
3. Outdoor Air Temperature Reset.
7.2 BST IMPLEMENTATION INSTRUCTION
The instructions below refer to I/O board connections on the Benchmark boilers, as described in
Section 2.11.1 of Benchmark Platinum-Edge: INSTALLATION Manual (OMM-0136, GF-210).
The instructions in the sections below refer to one or more of the following components:
•
Header Temp Sensor P/N 61058 (PT1000) dual bead
•
Outdoor Sensor P/N 61060 (PT1000)
The wiring diagram below applies to the setup instructions in the next three sections.
OMM-0137_J •
12/20/2022
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
Page 91 of 167
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