Heat Controller MGD75-E5A, MGD90-E5A, MGD90-E3A MGD Series Gas Furnace, Installation Instructions

MGD Series Gas Furnace Installation Instructions

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

Heat Controller, Inc. Jackson, MI 49203 MGD Installation Instructions 14