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

9 GAS-FIRED WATER BOILER — Boiler Manual

Replacement parts (continued)

Heat exchanger and piping — Ultra-80 & -105

38	Part number 550-101-233/0903

Image 38

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

Contents

Gas-fired water boiler HOW IT Works GAS-FIRED Water BOILER, with PhD Technology Contents Hazard definitions Boiler operation When servicing boilerPlease read before proceeding Boiler water Before locating the boiler, check Installations must comply withPrepare boiler location Provide clearances Provide air openings to room Residential garage installationFlooring and foundation Vent and air piping Seal any unused openings in the common venting system When removing a boiler from existing common vent systemPrevent combustion air contamination Prepare for propane if operating on propane Ultra-80 Prepare boilerRemove boiler from crate Placing wall-mounted boilers Prepare for propane if operating on propane Ultra-155 toPlacing floor-mounted boilers Set boiler in place and check level Fill and pressure test Perform hydrostatic pressure testPrepare boiler for test Drain and remove fittings Additional controls, when required Install water pipingInstall relief valve General piping information Sizing space heat system piping System water piping methodsCirculators Sizing DHW system piping Required boiler water flow rate, GPM, at 180F Controlling the system circulator Zoning with zone valvesConnect boiler to system as shown in when Zoning with circulators Setting boiler outlet water target temperature Radiant heating applications Chilled water systems Chilled water system plus optional Prepare condensate fittings Install vent and combustion air pipingVenting, combustion air & condensate line Connect condensate drain Condensate drain Ultra-80 Wall-mounted boilers Connecting gas supply pipingGas piping Pipe sizing for natural gas Natural GasPropane Gas Natural gas supply pressure requirements Check/control water chemistry Freeze protection when usedStartup Fill and test water system Inspect/fill condensate system Check for gas leaks Final checks before starting boilerCheck thermostat circuits To start the boiler Check flame & combustion Adjust and test boiler controlsCheck system and boiler 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 Check all piping for leaks Check expansion tank Clean condensate trapCheck water system Check air openings Check control settings Check ignition ground wiringCheck all boiler wiring Check boiler relief valve Perform startup and checks Check flame signalCheck flue gas temperature Check burner flame Cleaning boiler heat exchanger Maintenance generalGeneral maintenance Replace boiler jacket front door after startup or servicing Exchanger cleaning ALL models Maintenance and annual startupAccess exchanger Ultra-155, -230, -310 Only 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