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Siemens Building Technologies
HVAC Products
18.1 Setting instructions for the RVW26...
All programmed curvepoints of the RVW26... are related to the burner's output.
After setting the RVW26..., the curvepoints of the RVW26... should correspond to those
of the burner load.
This is especially important in connection with O
In case the burner is started with a coarse preadjustment, there are 2 different ways to
adjust the curves for the air and fuel value in relation to the burner load:
A. Curve adjustment by determining the amount of fuel
(accurate but complex)
Procedure:
1.
Determine the amount of fuel at maximum burner output.
2.
Calculate the amount of fuel for each load point.
3.
Start the burner with the basic adjustment.
4.
First adjust the required load point for the calculated amount of fuel. Then, adjust
the amount of air until the desired flue gas values are attained. Check the flue gas
values with a flue gas analyzer.
5.
Repeat step 4 until all programmable curvepoints are adjusted down to the low-fire
position values.
6.
Interpolate the curvepoints below the low-fire position value (e.g. 0 %).
Electronic Air / Fuel Ratio Control System
18 Notes on the commissioning of a burner
trim control!
2
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CC1P7873.1en
15.10.2002
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Troubleshooting
