13Rev 2.12 Installation2-1 Installation CodesInstallations must follow these codes: Local, state, provincial, and national codes, laws, regulations and ordinances National Fuel Gas Code, ANSI Z223.1/ NFPA 54 – latest edition (NFGC) National Electrical Code, ANSI/ NFPA 70 – latest edition (NEC) Standards for Controls and Safety Devices for Automatically Fired Boilers, ANSI/ASME CSD–1, (CSD–1) whenrequired.Note: If any code listed above conflict, the stricter of the conflicting codes shall be followedfor installation.Note: Installation and Service must be performed by a qualified installer, service agency or thegas supplier2-2 Equipment BaseThe boiler should be mounted on a level, structurally sound surface. The boiler is approved for mounting on a combustiblesurface but cannot be installed on carpeting. Gas fueled equipment installed in enclosed parking garages must be locatedat least 18" above the floor.Note: Ace strongly recommends that you secure the boiler to the base pad by the mounting holes provided at the base ofthe unit.Figure 2.1. Isometric View of Atlas Base with Mounting HolesCaution: Locate the unit so that the condensate can be treated and piped to meet city and local code requirements.The boiler shall be installed such that the gas ignition system components are protected from water (dripping, spraying,rain, etc.) during boiler operation or service (circulator replacement, control replacement, etc.)2-3 Determining Unit LocationThe optimal location for the boiler is as close to an exterior wall as possible to reduce vent loss and to minimize the costlyexhaust Stainless Steel vent materials. Maintain minimum specified clearances for adequate operation. All installations