Air Shutter Adjustment (Natural Gas Only); Adjusting The Air Shutter - Majestic 490IDVNV Installation And Operating Instructions Manual

Direct vent gas insert
Table of Contents

Advertisement

AIR ShuTTER ADjuSTMENT (NATuRAL GAS ONLY)

ADjUSTING THE AIR SHUTTER

The venturi of the burner is equipped with an air shutter. The opening of the venturi has been set at
fully open for Propane installation at sea level. The burner on Natural Gas Models may be adjusted for high altitude as fol-
lows:
To increase air mixture, open the shutter more. This will reduce soot formation. See Figure 38.
To decrease air mixture, close the shutter. Flames will be more yellow. See Figure 39.
30
Figure 38 - Push Adjustment Lip Up to Open Air Shutter
Figure 39 - Pull Adjustment Lip Down to Close Air Shutter
Air Shutter
Air Shutter
1
/
" for Natural Gas and
4
57D0215

Hide quick links:

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 490IDVNV and is the answer not in the manual?

This manual is also suitable for:

380idvpv490idvpv380idvnv

Table of Contents