Heat exchanger and piping Ultra-155 to | Weil-McLain 80, 230, 310

9 GAS-FIRED WATER BOILER — Boiler Manual

Replacement parts (continued)

Heat exchanger and piping — Ultra-155 to -310

40	Part number 550-101-233/0903

Image 40

Weil-McLain 80, 230, 310, 105 manual Heat exchanger and piping Ultra-155 to

Contents

Gas-fired water boiler HOW IT Works GAS-FIRED Water BOILER, with PhD Technology Contents Hazard definitions When servicing boiler Please read before proceedingBoiler operation Boiler water Installations must comply with Prepare boiler locationBefore locating the boiler, check Provide clearances Residential garage installation Flooring and foundationProvide air openings to room Vent and air piping Prevent combustion air contamination When removing a boiler from existing common vent systemSeal any unused openings in the common venting system Remove boiler from crate Prepare boilerPrepare for propane if operating on propane Ultra-80 Prepare for propane if operating on propane Ultra-155 to Placing floor-mounted boilersPlacing wall-mounted boilers Set boiler in place and check level Perform hydrostatic pressure test Prepare boiler for testFill and pressure test Drain and remove fittings Install water piping Install relief valveAdditional controls, when required General piping information Circulators System water piping methodsSizing space heat system piping Sizing DHW system piping Required boiler water flow rate, GPM, at 180F Connect boiler to system as shown in when Zoning with zone valvesControlling the system circulator Zoning with circulators Setting boiler outlet water target temperature Radiant heating applications Chilled water systems Chilled water system plus optional Venting, combustion air & condensate line Install vent and combustion air pipingPrepare condensate fittings Connect condensate drain Condensate drain Ultra-80 Gas piping Connecting gas supply pipingWall-mounted boilers Natural Gas Propane GasPipe sizing for natural gas Natural gas supply pressure requirements Freeze protection when used StartupCheck/control water chemistry Fill and test water system Check for gas leaks Final checks before starting boiler Check thermostat circuitsInspect/fill condensate system To start the boiler Check system and boiler Adjust and test boiler controlsCheck flame & combustion Check-out/startup verification Check-out/startup verification Installation certificate Annual startup and general maintenance Service and maintenance schedules Annual startup Handling ceramic fiber materials Clean condensate trap Check water systemCheck all piping for leaks Check expansion tank Check air openings Check ignition ground wiring Check all boiler wiringCheck control settings Check boiler relief valve Check flame signal Check flue gas temperaturePerform startup and checks Check burner flame Maintenance general General maintenanceCleaning boiler heat exchanger Replace boiler jacket front door after startup or servicing Access exchanger Ultra-155, -230, -310 Only Maintenance and annual startupExchanger cleaning ALL models Replacement parts Jacket parts Replacement parts Heat exchanger and piping Ultra-80 Replacement parts Heat exchanger and piping Ultra-155 to Replacement parts Controls Dimensions Ratings DOE