Benchmark 750-3000 Operation, Service & Maintenance Guide-Latin America
SECTION 2: OPERATION
Page
24
of
162
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0132_A
01/02/2018
Ph.: 800-526-0288
GF-206-LA-LA
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 set 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 keypad.
TABLE 2-9: BST Menu
MENU ITEM DISPLAY
AVAILABLE CHOICES OR LIMIT
DEFAULT
Minimum
Maximum
1
BST Mode
Off
BST Client
BST Manager
Off
2
BST Setpoint
BST Setpt Lo Limit
BST Setpt Hi Limit
130°F (54.4°C)
3
Header Temp
Read Only – current Header temperature in °F
N/A
4
BST Fire Rate
0
100%
Fire rate %
5
BST Ave Fire Rate
0
100%
Avg Fire Rate %
6
BST Outdoor Temp
Read Only – current outdoor temperature in °F
N/A
7
Units Available
0
8
Units Present
8
Units Ignited
0
8
Units firing
9
BST Valve State
0 (CLOSED)
1 (OPEN)
0
10
1 BST Comm Errors 8
0
9
0
11
1 BST Units 8
0 – 8 (see * NOTE below)
0
12
*BST SETUP MENU*
Disabled
Enabled
Disabled
13
BST Setpoint Mode
Constant Setpoint
Remote
Setpoint
Outdoor
Reset
Constant Setpt
14
BST Remote Signl
4-20 mA/1-5 VDC
0-20 mA/0-5
VDC
Network
Network
15
Head Temp Source
Network
FFWD Temp
FFWD Temp
16
Mdbus Temp Units
Degrees C or Degrees F
Degrees C
