Bosch GWH 2700 ES LP - Manual (Page 40)

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40
Troubleshooting
5. Lack of adequate gas pressure. Inadequate gas
pressure will cause the fuel-to-air mixture (CO
2
) to be
out of adjustment. This will result in unstable burner
flames and noise. Ensure gas pressure is in
accordance with specifications in section 3.12, page
27 Measuring Gas Pressure. A gas pressure reading
is needed to proceed further. Contact your original
installer or a local certified gas technician to obtain
this reading.
6. Verify proper CO
2
readings per chapter 6.4, page
33. CO
2
adjustments must be done by a certified
gas technician with a calibrated combustion gas
analyzer.