Williamson-Thermoflo w 80 Manuale

Part number GL-E224-ADOC 0413GLIndirect-Fired Water Heaters This manual must only be u

Model GL indirect-fired water heaters — Product ManualRecirculation (continued)Components1. Little flow is required to m

Model GL indirect-fired water heaters — Product Manual Zoning with circulators — direct-connected system pipingNotes• Place circulators at

Model GL indirect-fired water heaters — Product ManualBoiler-side piping (continued) Zoning with circulators — primary/secondary system pipi

Model GL indirect-fired water heaters — Product ManualBoiler-side piping (continued) Zoning with zone valves — direct-connected system pipin

Model GL indirect-fired water heaters — Product ManualBoiler-side piping (continued) Zoning with zone valves — primary/secondary system pip

Model GL indirect-fired water heaters — Product ManualBoiler-side piping (continued) Dedicated single-boiler pipingNotes• Place circulator

Model GL indirect-fired water heaters — Product ManualBoiler-side piping (continued) Multiple water heaters — domestic water piping

Model GL indirect-fired water heaters — Product ManualBoiler-side piping (continued) Multiple water heaters and dedicated multiple boilers

Model GL indirect-fired water heaters — Product ManualConnecting to a low-pressure steam boilerSpecial considerationsWhen designing steam and domesti

Model GL indirect-fired water heaters — Product ManualConnecting to a low-pressure steam boiler (continued) Low pressure steam boiler appli

Model GL indirect-fired water heaters — Product ManualContents When servicing water heater . . . . . . . . . . . . .

Model GL indirect-fired water heaters — Product ManualBoiler-side wiring and controls  — Can cause severe personal injury, de

Model GL indirect-fired water heaters — Product ManualWiring — zoning with circulatorsNotes• Also refer to the zone con-troller manual for further d

Model GL indirect-fired water heaters — Product ManualWiring — zoning with zone valvesNotes• Also refer to the zone con-troller manual for further d

Model GL indirect-fired water heaters — Product Manual The installation and water chemistry must meet the requirements below. Failure to comply coul

Model GL indirect-fired water heaters — Product Manual Hot Water Can Scald!• Water heated to temperature for clothes washing, dish washing and other

Model GL indirect-fired water heaters — Product ManualWater heater maintenance Boiler water — read and comply with all requirements under “Boiler wa

Model GL indirect-fired water heaters — Product ManualWater heater maintenance (continued)and their frequencies, including any not listed in the foll

Model GL indirect-fired water heaters — Product ManualTroubleshootingPreparation for troubleshootingTools needed Electrical meter to measure voltage

Model GL indirect-fired water heaters — Product ManualTroubleshooting (continued)Insufficient hot water Undersized water heater? Boiler system imp

Model GL indirect-fired water heaters — Product ManualTroubleshooting (continued)1 Undersized water heater? • There are many methods of sizing vari

Model GL indirect-fired water heaters — Product ManualPlease read before proceeding Failure to adhere to the guidelines on this page can result in s

Model GL indirect-fired water heaters — Product ManualTroubleshooting (continued)• Is the circulator between the boiler and the water heater properl

Model GL indirect-fired water heaters — Product ManualTroubleshooting (continued)4 Check boiler operating temperatures. • If possible, increase the

Model GL indirect-fired water heaters — Product ManualTroubleshooting (continued)Excessive domestic water temperature1 Reduce stacking. • Excessive

Model GL indirect-fired water heaters — Product ManualTroubleshooting (continued)Boiler relief valve lifting or weeping1 Undersized expansion tank?

Model GL indirect-fired water heaters — Product ManualTroubleshooting (continued)Temperature/pressure relief valve lifting or weeping1 Undersized or

Model GL indirect-fired water heaters — Product ManualTroubleshooting (continued)Water on the floor near the tank1 Check for leaks from sources other

Model GL indirect-fired water heaters — Product ManualTroubleshooting (continued)Rapid decay of magnesium anode1 Anodes last less than two years T

Model GL indirect-fired water heaters — Product ManualWater quality problems1 Water smells like “rotten eggs.” • The most common cause of water to

Model GL indirect-fired water heaters — Product Manual• This is similar to the reaction that occurs as air bubbles form on the walls of a pan shortl

Model GL indirect-fired water heaters — Product Manual  1Magnesium anode replacement kit (inclu

Model GL indirect-fired water heaters — Product ManualPre-installation Clearance recommendationsCodes1. Installation must conform with inst

Model GL indirect-fired water heaters — Product ManualAHRI ratings

Model GL indirect-fired water heaters — Product ManualRatings with 200°F boiler supply water For water heater to achieve the rated performance below

Model GL indirect-fired water heaters — Product ManualRatings with 190°F boiler supply water For water heater to achieve the rated performance below

Model GL indirect-fired water heaters — Product ManualRatings with 180°F boiler supply water For water heater to achieve the rated performance below

Model GL indirect-fired water heaters — Product ManualDimensions Dimensions and ratings — Model GL indirect-fired water heaters

Model GL indirect-fired water heaters — Product ManualPre-installation (continued) Hot Water Can Scald!• Water heated to temperature for clothes was

Model GL indirect-fired water heaters — Product ManualDomestic water piping DHW pipingPiping overview   — If a backflo

Model GL indirect-fired water heaters — Product ManualDomestic water piping (continued)LEGEND for Figure 2, page 6 Domestic water supplied to fixture

Model GL indirect-fired water heaters — Product ManualRecirculation  applications require recircu-lation piping or heat-traced pip

Model GL indirect-fired water heaters — Product ManualRecirculation (continued) Time lag to obtain hot water at fixture for branch lengths of