Example Of Lmvx Curves Spreadsheet - Siemens LMV3 series Technical Instructions

LMV Series
LMV3 Basic Burner - Gas
Burner Output at High Fire
Burner Head (manifold) Pressure at High Fire
Burner Turndown
Heating Value of Gas
Boiler Efficiency
These Cells are Calculated from the "Application Info" Cells Above
Gas Flow to
LMV
Burner
Curve
(Auto Calc)
Point
# SCFH
1 1600
2 2400
3 3200
4 4000
5 4800
6 5600
7 6400
8 7200
9 8000
SCC Inc.
Indicates information to be filled out before commissioning ratio control curves
Indicates information to be filled out during commissioning of ratio control curves
Actuator / VSD Ratio Control Curves
Burner
Burner
Head
Output @
Output Pressure
Efficiency
(Approx)
MM BTU
MW IN WC
/HR
1.60 0.47 0.2
2.40 0.70 0.5
3.20 0.94 1.0
4.00 1.17 1.5
4.80 1.41 2.2
5.60 1.64 2.9
6.40 1.87 3.8
7.20 2.11 4.9
8.00 2.34 6.0
Figure 4-5: Example of LMVx Curves Spreadsheet
Page 21
Units
MM BTU / HR
IN WC
xx to 1
BTU / SCFH
%
Manually Input during Ratio Control Curve Commissioning
Steam Flow
o
Boiler
230 F Feed
Air Actuator
100 PSIG
Position
Steam
(Approx)
BHP lb/hr Deg
39.2 1324.3 5.0
58.8 1986.5 12.0
78.4 2648.6 22.0
98.0 3310.8 30.0
117.6 3972.9 42.0
137.2 4635.1 55.0
156.8 5297.3 63.0
176.4 5959.4 68.0
196.0 6621.6 75.0
Technical Instructions
Document No. LV3-1000
Input Data
8
6
5
1000
82
Fuel Actuator
VSD Speed
Position
Deg %
3.0 55.0
6.0 60.0
12.0 65.0
18.0 70.0
28.0 75.0
39.0 80.0
48.0 85.0
56.0 90.0
64.0 95.0
Section 4