Weil-McLain GL-E223-ADOC 0311 manual Insufficient hot water, Undersized water heater?

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AQUA PLUS indirect-fired water heaters — Product Manual

Troubleshooting (continued)

Insufficient hot water

1Undersized water heater?

•There are many methods of sizing various applications, i.e. ASHRAE sizing tables or ASPE domestic water heating design manual.

•Confirm the water demand required for the application.

•Confirm the flow rates of the fixtures.

•For example, was the tank sized for shower heads at 2.0 gpm, while the actual heads are 5.0 gpm?

•Use a bucket and a stopwatch to determine fixture flow rates.

•Evaluate the hot water usage pattern for a day.

•Is the peak demand unusually high for the application?

•Has the demand for domestic hot water changed since the system was installed?

•A bathroom remodeling project with a newly installed whirlpool tub will substantially change the domestic water demand.

2Boiler system improperly sized?

•Can the boiler provide the required output to meet the domestic water load? Determine the boiler domestic water capacity, GPH, by the following:

Boiler DHW capacity, GPH =

Boiler output Btuh

Temp. rise °F x 8.33

[Temp. rise °F = Required DHW temp. °F – Incoming temp. °F]

[8.33 = Density of water (lbs/gal) x 1 Btu / lb-°F]

•Example — A single family home with a 3.0 GPM shower fixture and a 150,000 Btuh output boiler ca- pacity.

•The shower demand of 3.0 GPM equals 180 GPH (60 times the GPM).

•Is the boiler capacity enough to deliver this hot water flow at 115°F for an extended period? Determine the boiler capacity:

 

150,000 Btuh

Boiler DHW capacity, GPH =

 

= 277 GPH

 

 

(115°F – 50°F) x 8.33

•The boiler is capable of delivering 277 GPH (or 4.6 GPM) continuously, which is enough for this application.

•Measure the BTU input to the boiler by clocking the gas meter or finding the oil flow rate based on nozzle size and pump pressure.

•Does the hot water system need to be wired for domestic priority? For systems in which either the storage or BTU’s available are marginal it is recommended to wire the domestic water heater in a priority manner.

•Is the boiler piping to the water heater properly sized to allow the required flow rate for maximum BTU transfer? The temperature differential of the boiler supply and return water should be 20°F to 30°F.

Part number GL-E223-ADOC 0311

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Contents Product Manual Contents Please read before proceeding When servicing water heaterOperating restrictions Boiler water restrictionsClearance to combustible materials Pre-installationRecommended clearances Hot Water Can Scald Domestic water piping requirementsWater heater operating restrictions Piping overview Domestic water pipingGeneral applications Massachusetts applicationsPipe from drain to floor drain, if available Recirculation Recirculation components Operation Potential problemsComponents Boiler-side piping WiringZoning with circulators primary/secondary system piping Zoning with zone valves direct-connected system piping Zoning with zone valves primary/secondary system piping Dedicated single-boiler piping Multiple water heaters domestic water piping Cific details on installing Special considerations Connecting to a low-pressure steam boilerFilling the piping Boiler-side wiring and controls System piping Wiring zoning with circulatorsWiring zoning with zone valves Water heater filling and start-up Start-up checklistMaximum boiler-side flow rate Filling the domestic water tankGeneral notes Water heater temperature adjustmentSetting the thermostat Monthly maintenance by user Water heater maintenanceAnnual start-up by qualified service technician Perform the following proceduresDrain the water heater if necessary during shutdown periods Inspect anode and water heater interiorPreparation for troubleshooting TroubleshootingTroubleshooting procedures Top of tank or insulation wet Water quality problemsInsufficient hot water Boiler system improperly sized? Insufficient hot waterUndersized water heater? Check component parts Clean the boiler water system Check boiler operating temperaturesCheck location of flow control devices Check for air in the system check water heater air ventInstall a thermostatic mixing valve Excessive domestic water temperatureInstall a recirculation loop Reduce stackingFaulty boiler relief valve? Faulty boiler expansion tank?Faulty boiler fill valve? Boiler relief valve lifting or weepingTemperature/pressure relief valve lifting or weeping Top of tank or insulation wet Water on the floor near the tankCheck for leaks from sources other than the water heater Is the source of water from the T&P relief valve?Anodes last less than two years Rapid decay of magnesium anodeMilky water Water quality problemsWater smells like rotten eggs Discolored water from the hot water faucet Aqua Plus Replacement parts105 Ahri ratingsFirst Hour Rating Capacity GPH Boiler Water Supply at 200F Ratings with 200F boiler supply waterFirst Hour Rating Capacity GPH Boiler Water Supply at 190F Ratings with 190F boiler supply waterFirst Hour Rating Capacity GPH Boiler Water Supply at 180F Ratings with 180F boiler supply water105 Dimensions

GL-E223-ADOC 0311 specifications

The Weil-McLain GL-E223-ADOC 0311 is a notable addition to the lineup of high-efficiency cast iron boilers designed for both residential and commercial applications. This model stands out due to its focus on reliability, longevity, and energy efficiency, making it an ideal solution for those seeking effective heating solutions.

A key feature of the GL-E223 model is its durable cast iron construction. The cast iron heat exchanger not only enhances the boiler's overall resilience but also improves its thermal efficiency. This characteristic ensures the boiler can withstand the stress of continuous operation while providing consistent heating performance year after year.

The GL-E223-ADOC 0311 employs advanced burner technology, which optimizes combustion efficiency, reducing fuel consumption. With its ability to modulate based on the heating demand, the boiler adjusts its output to ensure it runs at peak efficiency, minimizing energy waste. This feature is particularly beneficial in terms of energy savings and reducing operational costs over time.

In terms of sizing, the Weil-McLain GL-E223 model is engineered to provide adequate heating for a wide range of applications. Its output capacity is meticulously designed to accommodate residential heating requirements while being robust enough for light commercial usage. The controls and monitoring systems integrated into this boiler allow for easy adjustments and improved system management.

One significant characteristic of this model is its built-in features for enhanced safety and convenience. The boiler includes safety controls that prevent overheating, as well as an easy-access inspection and cleaning configuration that extends the life of the unit and eases maintenance efforts.

Furthermore, the GL-E223-ADOC 0311 is designed to be compatible with a range of hydronic heating systems. This adaptability allows for seamless integration into existing infrastructure or new installations, allowing homeowners and businesses the potential for improved heating solutions without extensive modifications.

Overall, the Weil-McLain GL-E223-ADOC 0311 encompasses advanced engineering with its cast iron construction, efficient burner technology, and user-friendly features that ensure reliability and efficiency. Whether for new installations or upgrades, this boiler is a solid choice for efficient heating solutions, resonating well with those prioritizing energy conservation and long-term performance.
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