Enviro C-10100 - Manual (Page 19)

6) FLAME LIFTING
A) B-VENTED MODELS
Adjust air shutter, by
closing shutter.
DO NOT GO TOO FAR OR
THE UNIT WILL SOOT.
Check air shutter on the
burner tube (venturi).
Make sure there are no
leaks in the venting system.
Seal venting if necessary.
Improper venting
configuration.
Correct if necessary.
Make sure that manifold
(outlet).
Pressure is correct.
Use a manometer to check
gas pressure.
SEE PAGE 5 FIGURE 7.
Sherwood Industries Ltd. ENVIRO PAGE 17