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Home » Topics » Radiant & Hydronics » The Glitch & The Fix

The Glitch & The Fix
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Hydronics Editor John Siegenthaler, P.E. challenges heating professionals to design radiant and hydronics systems for an efficiency-minded world.

ARTICLES

The Glitch

The Glitch & The Fix: Heat, heat everywhere

February 19, 2021
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Figure 1 shows the piping layout for an actual installation. It uses two boilers, fired in stages, to supply three areas of a building. 


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The Glitch

The Glitch & The Fix: Inadvertent flows

January 18, 2021
3 Comments

An installer recently read about the benefits of piping a buffer tank in a “2-pipe” configuration.  


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The Glitch

The Glitch & The Fix: Busy backup

December 22, 2020
One Comment

A heating designer is asked to create a three zone radiant floor heating system using a 5-ton (60,000 Btu/h) geothermal heat pump as the primary heat source, and a mod/con boiler as the auxiliary heat source. 


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The Glitch

The Glitch & The Fix: Share, and share alike

November 18, 2020
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An installer is asked to pipe up two larger commercial air handlers supplied by a dual boiler setup. 


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The Glitch

The Glitch & The Fix: Presumptuous primary piping

October 20, 2020
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An installer plans to use a single-speed monobloc air-to-water heat pump to supply several panel radiators. 


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The Glitch

The Glitch & Fix: Multiple boiler blues

September 17, 2020
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A multiple boiler system is set up as shown in Figure 1. The objective is to add heat to the system in three on/off stages. 


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May Glitch

The Glitch and Fix: Hardware heavy

May 15, 2020
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A client asks a heating contractor to set up a floor heating system for a new 7,500 square foot machine shop.


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The Glitch

The Glitch and Fix: Duped by a loop

April 27, 2020
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An installer pipes up the system shown in Figure 1. Its purpose is to provide two zones of space heating.  


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G&F Figure 1

The Glitch and Fix: Mixed mode

February 26, 2020
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I recently had an inquiry from a designer who needed to combine some high temperature loads with low temperature loads. 


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Glitch and Fix Figure 1

The Glitch and Fix: Mixed mode

January 27, 2020
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An installer is trying to wire up a two-stage heat pump for heating and cooling operation.


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