Weil-McLain 80 manual Dimensions and ratings

Page 34

Weil-McLain 80 Boiler For Gas, Light Oil, Gas/Light Oil Fired Burners

17 Dimensions and ratings

Notes

1.Burner input based on maximum of 2,000 feet altitude. For higher altitudes consult local Weil-McLain representative.

2.No. 2 fuel oil Commercial Standard Spec. CS75-56. Heat value of oil — 140,000 Btu/Gal.

3.Consult Weil-McLain Burner Specifications and Data Sheet for gas pressures required.

4.MBH refers to thousands of Btu per hour.

5.Gross I=B=R ratings have been determined under the I=B=R provision forced draft boiler-burner units.

6.Net I=B=R ratings are based on net installed radiation of sufficient quantity for the requirements of the building and nothing need be added for normal piping and pickup. Water ratings are based on a piping and pickup allowance of 1.15. Steam ratings are based on the following allowances: 380 thru 1180 — 1.333; 1280 — 1.321. An additional allowance should be made for gravity hot water systems or for unusual piping and pickup loads. Consult locat Weil-McLain representative.

7.Stack gas volume at outlet temperature.

8.With 0.10" W.C. positive pressure at flue collar.

NOTICE: Boiler sections are tested for 80 PSIG working pressure. Water boilers are supplied with 30 PSIG relief valve standard.

34	Part No. 550-141-935/0602

Image 34

Contents Boiler Manual Contents Before selecting boiler location Before installing boilerInstallation must comply with Lay a foundation, if neededProvide combustion and ventilation air openings Set boiler in place For block assemblyUsing crane attach free end of cables to eye of crane For packaged boilerPrepare back section Install back refractory blanketAssemble block Place a block under pipe to hold section uprightIf using tankless heater TI sections Install intermediate sectionsPrepare remaining sections Perform hydrostatic pressure test Prepare boiler and testInstall burner mounting plate on front section Complete block assemblyInstall cleanout plates Install collector hold-down bolts Install flue collectorFlue collector assembly Prepare flue collector hood assemblyInstall flue collector Rear flue boilers only Before installing flue collectorAfter installing flue collector, ALL Boilers Top flue boilers onlyInstall flue collector Connect water boiler piping Install pipingGeneral water piping information Piping for multiple boilers see Figure Size secondary boiler pump GPM based on following formulasConnect steam boiler piping General steam piping informationConnect steam boiler piping Condensate piping to boiler Condensate receiver capacity Multiple Steam Boiler Piping Gravity Condensate Return Install support brackets and rails Install jacketBefore installing jacket Install jacket front and rear panelsInstall jacket Install jacket top panels Install jacket side panelsInstall jacket trim Jacket side panel placement Models 380, 480, 580 Jacket side panel placement Models 780, 880 Jacket side panel placement Models 1080, 1180, Jacket top panel placement To pipe tankless heaters Pipe tankless heatersSize piping no smaller than heater inlet and outlet Install water boiler controls Install controlsInstall steam boiler controls Install controls where shown in and FigureWater level control locations see Table General venting information Construct metal breeching Connect breeching and venting systemsSelect type of venting system Wiring and fuel piping Install burnerMake final adjustments Freeze protection when used Check boiler for gas-tight sealDimensions and ratings Dimensions and ratings Parts Parts Handling ceramic fiber and fiberglass materials Eye Irrigate immediately Breathing Fresh airPropane boilers propane gas odorant All Residential & Commercial Cast Iron Boilers

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