Siemens LMV3 series - Example of Lmvx Curves Spreadsheet

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