Bst (Boiler Sequencing Technology) Menu - Watts Aerco Benchmark OMM-0117 Operation And Maintenance Manual

Natural gas, propane gas and dual fuel fired modulating & condensing boilers
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Benchmark 5000-6000 Operation & Maintenance Manual
SECTION 2: OPERATION

2.9 BST (Boiler Sequencing Technology) Menu

The BST menu must be enabled in order to be displayed and accessed. The BST Menu item,
located at the end of the Configuration menu (item 37 in Table 2-4), must be se to Enabled.
The BST menu contains all of the items required to configure, operate and monitor the
functionality of the BST System. There are over 50 items in this menu, and selecting any
particular item from the list, for inspection or modification, could be time consuming. As a result,
the BST menu has been segmented into FIVE logical groups based on functionality.
The five Item groups are:
1.
BST Monitor Items
2.
*BST SETUP MENU*
3.
*OPERATE MENU*
4.
*TEMP CTRL MENU*
5.
*BST COMM MENU*
These displayed item groups are displayed in UPPER CASE letters, and are bounded by an
asterisk * in order to readily identify them within the item list.
The Items contained in group 1 (BST Monitor Items) are always displayed within the menu, as
these items are critical for proper system operation. Therefore, the BST Monitor Items Header
itself is not displayed.
The Items contained in groups 2-5 are not displayed unless that particular item group has been
enabled from the C-More Controller's keypad.
TABLE 2-7: BST Menu
MENU ITEM DISPLAY
1
BST Mode
2
BST Setpoint
3
Header Temp
4
BST Fire Rate
5
BST Ave Fire Rate
6
BST Outdoor Temp
7
Units Available
8
Units Ignited
9
BST Valve State
1 BST Comm Errors
10
8
11
1 BST Units 8
12
*BST SETUP MENU*
13
BST Setpoint Mode
14
BST Remote Signl
15
Head Temp Source
OMM-0118_B • GF-203 • 5/9/2019
AVAILABLE CHOICES OR LIMITS
Minimum
Off
BST Client
BST Setpt Lo Limit
Read Only – current Header temperature in
°F
0
0
Read Only – current outdoor temperature in
°F
0
0
0 (CLOSED)
0
0 – 8 (see * NOTE below)
Disabled
Constant
Remote
Setpoint
Setpoint
4-20 mA/1-5
0-20 mA/0-5
VDC
VDC
Network
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
Maximum
BST Manager
BST Setpt Hi Limit
100%
100%
8
8
1 (OPEN)
9
Enabled
Outdoor
Reset
Network
FFWD Temp
DEFAULT
Off
130°F (54.4°C)
N/A
Fire rate %
Avg Fire Rate %
N/A
Units Present
Units firing
0
0
0
Disabled
Constant Setpt
Network
FFWD Temp
Page 24 of 148

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