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NOTE: The
Architectural Details
web page is graphic intensive. Slow web servers and or
slow computers will experience digital constipation! If you
are predisposed to frustration and rage we suggest
navigating to our less intensive web pages.
Click here to visit
Architectural Details for Cold Climate Construction
Benchmark of Quality
NRDC is the
National Radiant Design Center. The link will take you to a
slide show of a typical NRDC architectural/engineering document.
You can use this as a benchmark of quality.
Contact NRDC.
Typical Sub
Floor System Tube Installation
Photo Credit: NRDC
Typical Poured Floor
System Tube Installation
Photo Credit: NRDC
 Use
NRDC as one of your design benchmark |
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Mechanical Schematics
These pages best viewed in high resolution 1400 x 1050 with high speed
performance web servers. To avoid web site frustration avoid viewing if you do not have the horsepower from your web
provider and your own machine...load times vary between 5
and 50 seconds. A note on using
Adobe Reader: Right mouse click over any of the
presentations will launch a zoom menu.
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Symbols
Symbols for
Radiant Based HVAC Systems
 The
Symbols used in the drawings below are based on:
ANSI/ASHRAE
Standard 134-2005, Graphic Symbols for Heating,
Ventilating, Air-Conditioning, and Refrigerating Systems
Copyright (c) American Society of Heating, Refrigerating and
Air-Conditioning Engineers. This document can be purchased
at the ASHRAE bookstore...click
here.
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Boiler Systems
Single Boiler
Piped In Direct Return
Single Boiler
Piped in Primary/secondary
Dual Boilers
Piped in Primary/Secondary
Dual Boiler
Piped in Reverse Return
Dual Boiler
Piped in Equal Length
Multiple Boiler Piping Schematic
Indirect/Direct
Fired Domestic Water w/ Boiler & Brazed Plate Heat Exchanger |
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Heat Pumps
Ground Source Heat Pump w/ Three Zones of Radiant |
Control Points for Radiant Based HVAC Systems
Four Pipe
Heating & Cooling with Ventilation, (de) Humidification and
Heat Recovery
Two Pipe
Heating & Cooling with Ventilation, (de) Humidification and
Heat Recovery
Two Pipe System,
Heating & Cooling with Radiant Ceiling Panels |
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Controls for Combined Air and Water Systems
Two Pipe
System, Heating with Fan/Coils and Domestic Hot Water
Radiant Floor
Heating with Make Up Air Unit
Hybrid System 1,
Radiant Heating with Make Up Air
Hybrid System 2,
Radiant Heating with Make Up Air and 2nd Stage Heat
Hybrid System 3,
Radiant Heating with Make Up Air and Zoned Reheat
Hybrid System 4,
Radiant Cooling with Make Up Air and 2nd Stage Cooling |
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Radiant Mechanical Assemblies
Common Radiant Floor
Cooling and Heating Manifold Configurations
Common Methods
of Regulating Fluid Temperatures in Radiant Systems
Single Zone of
Radiant Floor Heating with 3 Way Thermostatic Valves
Two Zones of
Radiant Floor Heating with 3 Way and 4 Way Mixing Valves
Three Zones of
Radiant Floor Heating with Two Way Injection Valve
Tube
Patterns
Retrofitting a
Floor Heating Zone to an Existing Baseboard Heating System
Garage Heating
with Freeze Protection, Two Way Injection Valve |
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Snow Melt Mechanical Assemblies
Snow Melt w/
Heat Exchanger & Glycol Make Up Tank
Pool and Spa Heating Mechanical Assemblies
Pool Heat w/
Heat Exchanger, Pump and Filter
Indoor Pool
Heating, Ventilation, Radiant Floors
Heating with
Solar, Wood, Alternative
Energy, Mechanical Assemblies
Multi Fuel
Heat Sources on High and Low Temp Heating System w/o wiring
Multi Fuel
Heat Sources on High and Low Temp Heating System |
Zoning Methods
Zoning with Circulators
Zoning with
Control Valves
Side by
Side Comparison
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The Master Of Design
 Another great source for "benchmark services" is
industry specialist, John Siegenthaler, P.E. of Appropriate Designs. John is the author of Modern Hydronics and publishes in most industry magazines.
View our Technical Presentations
These slide presentations
are made available by the generosity of our sponsors and
those who have downloaded the
Guide to Indoor Quality
Comfort and the
Architectural Guide to Radiant Based HVAC
Systems. Your support is appreciated and valued. |
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