Heat Controller MGD90-E5A Furnace User Manual


 
MGD Series Gas Furnace Installation Instructions
Heat Controller, Inc. Jackson, MI 49203 MGD Installation Instructions 14
Reference: NFPA No. 54, ANSI Z 223.1 National Fuel Gas Code
Table shows 4% Input Reduction per 1,000 feet elevation
For Canadian High Altitude (2,000-4,500 feet), reduce gas pressure to burner manifold (manifold Ps.) to 3.0” W.C. and 9.0” W.C. for LP (Propane) Gas