Benchmark 750-3000 Boiler Operation, Service, Maintenance Guide - KOREA
SECTION 2: OPERATION
OMM-0128_0A
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
25
of
144
GF-206-K
Ph.: 800-526-0288
07/17/2017
TABLE 2-9: BST Menu
MENU ITEM DISPLAY
AVAILABLE CHOICES OR LIMITS
DEFAULT
Minimum
Maximum
46
BST Setpt Lo Limit
40°F (4.4°C)
BST Setpt HI Limit
60°F (15.5°C)
47
BST Setpt HI Limit
BST Setpt Lo Limit
220°F (104.4°C)
195°F (90.6°C)
48
BST Prop Band
1°F (-17.2°C)
120°F (48.9°C)
100°F (37.8°C)
49
BST Intgral Gain
0.00
2.00
0.50
50
BST Deriv Time
0.00 Min
2.00 Min
0.10 Min
51
BST Deadband Hi
0
25
1
52
BST Deadband Lo
0
25
1
53
Deadband En Time
0
120 Sec
30 Sec
54
BST FR Up Rate
1
120
20
55
BST Bldg Ref Tmp
40°F (4.4°C)
230°F (110°C)
70°F (21.1°C)
56
BST Reset Ratio
0.1
9.9
1.2
57
System Start Tmp
30°F (-1.1°C)
120°F (48.9°C)
60°F (15.6°C)
58 *BST COMM MENU*
Disabled
Enabled
Disabled
59
Comm Address
0
127
0
60
BST Min Addr
1
128
1
61
BST Max Addr
1
128
8
62
SSD Address
0
250
247
63
SSD Poll Control
0
1000
0
64
Err Threshold
1
9
5
65
SSD Temp Format
Degrees
Points
Degrees
66
BST Upld Timer
0
9999 sec
0
* NOTE
:
The
1 BST Units 8
menu option (item 11) shows the current status for each unit controlled by BST, up
to a maximum of 8 units. The possible characters displayed are:
The following example shows the status of 5 units being controlled by BST where:
Unit 1 & 3 are
On
Unit 2 is
Off
Unit 4 is
Not Available
Unit 5 is
Lead On
Unit 6 is
Lag Off
1 BST Units 8
1
0
1
*
A
b
-
= Off Line
*
= Not Available (fault, etc.)
0
= Off
1
= On,
A
= Lead On
a
= Lead Off
B
= Lag On
b
= Lag Off
S
= Setpoint Limit Active
