PowerPoint Presentation Radiant Basics Instructor Slides

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Radiant Heating Cooling
I - Basic Theory and Field Installation II -
Application and Design

For more information contact
Radiant Panel Association PO Box 717Loveland,
CO [phone]
www.rpa-info.com
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• FORWARD
• Introduction to Radiant Heating

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Fig F-1 North American shipments
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Fig F-2 Radiant in commercial buildings
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Fig F-3 Radiant in industrial buildings
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Fig F-4 Radiant in conventional housing
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Fig F-5 Radiant in custom homes
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• Section 1
• Introduction to Radiant Heating

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Fig 1-1 Radiant energy from the sun
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Fig 1-2 Radiant energy from a campfire
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Fig 1-3 Thermal imaging
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Fig 1-4 Four modes of heat transfer
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Fig 1-5 How the body loses heat
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Fig 1-6 Temperature distribution of various
heating systems
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Fig 1-7 Heat transport system capacities
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Fig 1-8 Roman heated floor system
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Fig 1-9 Hydronic radiant pipe in the early 1900s
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Fig 1-10 Levittown home in the 1940s
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Fig 1-11 Frank Lloyd Wright home restoration
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• Section 2
• Hydronic Tubing and Floor Systems

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Fig 2-1 Typical tube sizes
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Fig 2-2 Tubing options
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Fig 2-3 Hydronic radiant floor panel systems
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Fig 2-4 Slab-on-grade System
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Fig 2-5 Preparing concrete base
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Fig 2-6 Placing insulation
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Fig 2-7 Temporary support
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Fig 2-8 Connecting tube to manifold
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Fig 2-9 Tying tube to wire mesh
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Fig 2-10 Pressure testing tubing
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Fig 2-11 Placing concrete
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Fig 2-12 Concrete thin-slab system
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Fig 2-13 Thin-slab installation sequence
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Fig 2-14 Installed base plates
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Fig 2-15 Installed control joints
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Fig 2-16 Placing slab concrete
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Fig 2-17 Raking and screeding
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Fig 2-18 Crack at control joint
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Fig 2-19 Gypsum thin-slab system
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Fig 2-20 Applying sealer
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Fig 2-21 Gypsum mixing pump
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Fig 2-22 Applying first lift
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Fig 2-23 Applying second lift
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Fig 2-24 Raking and smoothing to depth
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Fig 2-25 Above floor plate system
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Fig 2-26 Below floor plate system
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Fig 2-27 Suspended tube system
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Fig 2-28 Staple-up system
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Fig 2-29 Board System
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Fig 2-30 Installation of a structural subfloor
system
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Fig 2-31 Layout of an engineered subfloor system
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Fig 2-32 Modular board system
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Fig 2-33 Layout of modular board system
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Fig 2-34 Plastic grid system (?)
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• Section 3
• Tube Circuits and Manifolds

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Fig 3-1 Circuit layout patterns
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Fig 3-2 Tubing layout plan
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Fig 3-3 Manifold valve actuator control
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Fig 3-4 Valve actuator wiring
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Fig 3-5 Manifold station for floor heating
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Fig A-5 Thin-slab concrete mix
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• Section 4
• Hydronic Ceiling and Wall Systems

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Fig 4-1 Hydronic radiant wall and ceiling panels
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Fig 4-2 Radiant ceiling plate system
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Fig 4-3 Ceiling panels for T-bar ceilings
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Fig 4-4 Factory perimeter heating
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Fig 4-5 Radiant wall plate system
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Fig 4-6 Panel radiator
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Fig 4-7 Decorative radiator
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• Section 5
• Hydronic Heat Sources

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Fig 5-1 Gas and oil-fired boilers
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Fig 5-2 Flue gas condensation
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Fig 5-3 Typical condensing boiler
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Fig 5-4 Geothermal system
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Fig 5-5 Water heater system
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Fig 5-6 Typical heat exchanger
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Fig 5-7 Active solar heating system
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Fig 5-8 Flat plate collector
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Fig 5-9 Evacuated tube collector
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Fig 5-10 Solar thermal storage
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Fig 5-11 Temperature range of radiant systems
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Fig 5-12 Temperature range of heat sources
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• Section 6
• System Piping and Control

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Fig 6-1 Circulators (pumps)
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Fig 6-2 Circulator (pump) curves
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Fig 6-3 Reset control ratio
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Fig 6-4 Piping symbols
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Fig 6-5 Direct-piped system
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Fig 6-6 Primary/secondary piping
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Fig 6-7 Hydraulic separator piping
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Fig 6-8 Mixing assembly concept
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Fig 6-9 Manually adjusted mixing valve piping
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Fig 6-10 Thermostatic 3-way mixing valve piping
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Fig 6-11 Three-way thermostatic mixing with zoning
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Fig 6-12 Three-way motorized valves and piping
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Fig 6-13 Four-way motorized valve and piping
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Fig 6-14 Injection mixing
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Fig 6-15 Injection mixing with 2-way valve
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Fig 6-16 Direct injection mixing
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Fig 6-17 Injection piping detail
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Fig 6-18 Reverse injection mixing
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Fig 6-19 Primary/secondary injection piping
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Fig 6-20 Multi-load system with common primary
circuit
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Fig 6-21 Parallel branch primary circuit
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Fig 6-22 Parallel piping of DHW tank
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Fig 6-23 Heat pump system with buffer tank
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Fig 6-24 Combination DHW system with heat
exchanger
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Fig 6-25 Instantaneous water heater with radiant
system
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• Section 7
• Electric Radiant Heating

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Fig 7-1 Embedded electric element
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Fig 7-2 Embedded electric radiant floor system
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Fig 7-3 Cable/mat system
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Fig 7-4 Mesh system
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Fig 7-5 Thin-film electric panels
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Fig 7-6 Thin-film installation
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Fig 7-7 Electric ceiling panel
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Fig 7-8 Self-regulating flat heaters
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• Radiant Heating Cooling II
• Application and Design

119

• Section 8
• Estimating Heat Load

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Fig 8-1 R-values of common building structures
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Fig 8-2 Estimate of air infiltration
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Fig 8-3 Heat load flow chart
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Fig 8-4 Heat loss parameters
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• Section 9
• Floor Coverings

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Fig 9-1 Total resistance to heat transfer
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Fig 9-2 Floor surface temperature variations
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Fig 9-3 Floor covering R-values
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Fig 9-4 Laminate flooring
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Fig 9-5 Laminated flooring
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Fig 9-6 Double layer floating floor
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Fig 9-7 Nail-down flooring options
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Fig 9-8 Ceramic tile
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Fig 9-9 Crack isolation membrane detail
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Fig 9-10 Carpet cushion heat transfer
slab rubber (best)
bonded urethane (poor)
waffle rubber (better)
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Fig 9-11 Vinyl Flooring
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• Section 10
• System Sizing

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Fig 10-1 Upward heat flux
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Fig 10-2a System sizing flow chart
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Fig 10-2b System sizing flow chart
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Fig 10-3 Floor surface temperature
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Fig 10-4 Tube spacing
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Fig 10-5 Spacing factor
Factor x Area Total Tube
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Fig 10-6 Floor construction R-values
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Fig 9-3 Floor covering R-values
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Fig 10-7 Supply water temperatures
floor structure R-value floor covering
R-value ____________________ total
floor R-value
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Fig 10-8 Head loss
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• Section 11
• Radiant Cooling

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Fig 8-1 Ceiling cooling versus floor cooling (?)
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Fig 8-2 (?)
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Fig 8-3 Chilling water with a fan coil
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Fig 8-4 Fan coil bypass in heating mode
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Fig 8-4 Coolant to water chiller
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• Section 12
• Air Conditioning

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• Section 12
• System Documentation

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• Section 13
• Specifying and Sequencing

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• Section 14
• Example Systems

157

• APPENDIX

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Fig A-1 Heat pump capacity
159
Fig A-2 Manifold zone wiring
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Fig A-3 Setting a flow restrictor valve
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Fig A-4 Insulation table (?)
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Formula A-1 Injection Flow
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Formula A-2 Ohms Law