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Happy Thanksgiving!

Norm Hall November 23, 2009Monday Morning Minutes, Announcements

Thank you for using products sold by R. L. Deppmann Company in Michigan and Ohio! Disclaimer: R. L. Deppmann and it’s affiliates can not be …

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Boiler Outdoor Reset and Effects on Condensing Boiler Efficiencies (Part 1)

Brad Notter November 9, 2009Condensing, Design, Control, Monday Morning Minutes, Boilers

Last week we concluded the discussion about the value of turndown ratios in condensing boiler applications. Today we will begin with outdoor reset which also …

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Using Bin data with Aerco’s 20:1 & Laar’s 5:1

RL Deppmann November 2, 2009Monday Morning Minutes, Boilers, Condensing, Selection and Specification

with edit by Norm Hall Printer Friendly (PDF) The last two weeks we defined turndown ratio and last week we introduced ASHRAE Bin data. Turndown …

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Using Part Load Heating Data and Turndown Ratios

RL Deppmann October 26, 2009Boilers, Condensing, Selection and Specification, Monday Morning Minutes

with edit by Norm Hall Last week we defined turndown ratio. Turndown ratio is defined as the ratio of the maximum input to the minimum …

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Part Load Heating Dataturndown ratiosBoilersCondensing

The Importance of Turndown Ratio in Condensing Boilers & Water Heaters

Norm Hall October 19, 2009Monday Morning Minutes, Boilers, Condensing, Selection and Specification

Printer Friendly (PDF) Condensing boilers are most efficient at lower return temperatures and lower firing rates. Let’s look at lower firing rates today. Turndown is …

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Modulation Options for Boiler Controls

Norm Hall October 12, 2009Boilers, Condensing, Design, Control, Monday Morning Minutes

Printer Friendly (PDF) Most Boiler manufacturers sell and market their own stand alone boiler control. Many will permanently install controls within the boiler cabinet or …

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Selecting NeoTherm Boilers in High ΔT Systems

Norm Hall October 5, 2009Monday Morning Minutes, Boilers, Condensing, Hydronic System Design, Primary Secondary Piping, Design, Piping and Installation, Boilers

Printer Friendly (PDF) Over the last several weeks we outlined the use of primary secondary systems for high ΔT hydronic heating systems. This article will …

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Selecting Laars NeoTherm Condensing Boilers

Norm Hall September 21, 2009Boilers, Monday Morning Minutes, Boilers, Condensing, Hydronic System Design, Primary Secondary Piping, Design, Piping and Installation

Printer Friendly (PDF) Over the last several weeks we outlined the use of primary secondary systems for hydronic heating systems. This article will address the …

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Maximizing Delta T in Boilers

Norm Hall September 7, 2009Hydronic System Design, Primary Secondary Piping, Temperature Control, Selection and Specification, Monday Morning Minutes, Boilers, Condensing

Printer Friendly (PDF) Last week, we created a chart showing the flow rates and temperatures in an example system so we could maximize the delta …

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Increasing Delta T and Lowering Water Temperature in Hydronic Heating Systems

Norm Hall August 31, 2009Monday Morning Minutes, Boilers, Condensing, Hydronic System Design, Primary Secondary Piping, Temperature Control, Selection and Specification

Printer Friendly (PDF) Last week, we used an AHU unit system example which showed the advantages of reducing the return water temperature at design, as …

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