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Resumen del manual
Before installing, read all instructions, including this manual, the Ultra Boiler Manual and all applicable Supplements. Consider all connections to the boilers before selecting a location and layout. Failure to comply could result in severe personal injury, death or substantial property damage. Part No. 550-101-232/0703 GAS-FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems Contents Hazard definitions .................................................................................................................................. 3 Selection data Controls .................................................................................................................... 3 Domestic hot water ................................................................................................. 3 Venting and combustion air.................................................................................... 3 Additional considerations ....................................................................................... 3 Ratings and engineering data .................................................................................................................................. 4 Dimensions .................................................................................................................................. 6 Placement and mounting information .................................................................................................................................. 7 Easy-Fit® Piping Easy-Fit® Piping installation .................................................................................... 8 Piping schematic ...................................................................................................... 9 Easy-Fit® Piping 3-dimensional drawing ............................................................. 10 Easy-Fit® Piping, 4 boilers, 3 water heaters, 3-dimensional .............................. 11 Easy-Fit® Piping with isolation exchanger 3-dim. drawing ............................... 12 Combustion air and vent piping installation Vent piping ............................................................................................................ 13 Combustion air piping .......................................................................................... 13 Combustion air manifolds .................................................................................... 13 Gas piping Connecting gas supply piping .............................................................................. 14 Common gas piping installation.......................................................................... 15 Additional instructions Air for boiler room ventilation ............................................................................. 16 Wiring ..................................................................................................................... 16 Water treatment ................................................................................................... 16 Part number 550-101-232/0703 GAS-FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems Hazard definitions The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product. Indicates presence of hazards that will Indicates presence of hazards that will or cause severe personal injury, death or can cause minor personal injury or substantial property damage. property damage. Indicates presence of hazards that can Indicates special instructions on cause severe personal injury, death or installation, operation or maintenance substantial property damage. that are important but not related to personal injury or property damage. Selection data Controls Weil-McLain offers an excellent selection of boiler sequencing controls. Refer to individual manuals for details. Domestic hot water Refer to Weil-McLain Piping Guides and PLUS Water Heater Manual and Ultra PLUS Supplement for suggested piping diagrams. Venting and combustion air Ultra boilers must be vented individually. Combustion air must be piped to the boiler as well, but may be manifolded as shown on page 13. Follow Weil-McLain Ultra Boiler Venting Supplement and Boiler Manual plus information in this manual. Failure to comply will result in severe personal injury or death. Additional considerations 1. Review the Ultra Boiler Manual and applicable supplements prior to designing and installing multiple- Ultra-boiler jobs. 2. Ultra boilers are design-certified for installation on combustible flooring (not carpet). 3. Ultra boilers are tested for 30 P.S.I. working pressure (higher pressure not available). 4. For systems requiring greater than 30 P.S.I. relief valve setting, install a heat exchanger to isolate the boilers from the main system. See page 12 for suggested piping. 5. Maximum operating temperature o...