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Title: PowerPoint Presentation Radiant Basics Instructor Slides


1
Radiant Heating Cooling
I - Basic Theory and Field Installation II -
Application and Design

For more information contact
Radiant Panel Association PO Box 717Loveland,
CO (970) 613-0100
www.rpa-info.com
2
  • FORWARD
  • Introduction to Radiant Heating

3
Fig F-1 North American shipments
4
Fig F-2 Radiant in commercial buildings
5
Fig F-3 Radiant in industrial buildings
6
Fig F-4 Radiant in conventional housing
7
Fig F-5 Radiant in custom homes
8
  • Section 1
  • Introduction to Radiant Heating

9
Fig 1-1 Radiant energy from the sun
10
Fig 1-2 Radiant energy from a campfire
11
Fig 1-3 Thermal imaging
12
Fig 1-4 Four modes of heat transfer
13
Fig 1-5 How the body loses heat
14
Fig 1-6 Temperature distribution of various
heating systems
15
Fig 1-7 Heat transport system capacities
16
Fig 1-8 Roman heated floor system
17
Fig 1-9 Hydronic radiant pipe in the early 1900s
18
Fig 1-10 Levittown home in the 1940s
19
Fig 1-11 Frank Lloyd Wright home restoration
20
  • Section 2
  • Hydronic Tubing and Floor Systems

21
Fig 2-1 Typical tube sizes
22
Fig 2-2 Tubing options
23
Fig 2-3 Hydronic radiant floor panel systems
24
Fig 2-4 Slab-on-grade System
25
Fig 2-5 Preparing concrete base
26
Fig 2-6 Placing insulation
27
Fig 2-7 Temporary support
28
Fig 2-8 Connecting tube to manifold
29
Fig 2-9 Tying tube to wire mesh
30
Fig 2-10 Pressure testing tubing
31
Fig 2-11 Placing concrete
32
Fig 2-12 Concrete thin-slab system
33
Fig 2-13 Thin-slab installation sequence
34
Fig 2-14 Installed base plates
35
Fig 2-15 Installed control joints
36
Fig 2-16 Placing slab concrete
37
Fig 2-17 Raking and screeding
38
Fig 2-18 Crack at control joint
39
Fig 2-19 Gypsum thin-slab system
40
Fig 2-20 Applying sealer
41
Fig 2-21 Gypsum mixing pump
42
Fig 2-22 Applying first lift
43
Fig 2-23 Applying second lift
44
Fig 2-24 Raking and smoothing to depth
45
Fig 2-25 Above floor plate system
46
Fig 2-26 Below floor plate system
47
Fig 2-27 Suspended tube system
48
Fig 2-28 Staple-up system
49
Fig 2-29 Board System
50
Fig 2-30 Installation of a structural subfloor
system
51
Fig 2-31 Layout of an engineered subfloor system
52
Fig 2-32 Modular board system
53
Fig 2-33 Layout of modular board system
54
Fig 2-34 Plastic grid system (?)
55
  • Section 3
  • Tube Circuits and Manifolds

56
Fig 3-1 Circuit layout patterns
57
Fig 3-2 Tubing layout plan
58
Fig 3-3 Manifold valve actuator control
59
Fig 3-4 Valve actuator wiring
60
Fig 3-5 Manifold station for floor heating
61
Fig A-5 Thin-slab concrete mix
62
  • Section 4
  • Hydronic Ceiling and Wall Systems

63
Fig 4-1 Hydronic radiant wall and ceiling panels
64
Fig 4-2 Radiant ceiling plate system
65
Fig 4-3 Ceiling panels for T-bar ceilings
66
Fig 4-4 Factory perimeter heating
67
Fig 4-5 Radiant wall plate system
68
Fig 4-6 Panel radiator
69
Fig 4-7 Decorative radiator
70
  • Section 5
  • Hydronic Heat Sources

71
Fig 5-1 Gas and oil-fired boilers
72
Fig 5-2 Flue gas condensation
73
Fig 5-3 Typical condensing boiler
74
Fig 5-4 Geothermal system
75
Fig 5-5 Water heater system
76
Fig 5-6 Typical heat exchanger
77
Fig 5-7 Active solar heating system
78
Fig 5-8 Flat plate collector
79
Fig 5-9 Evacuated tube collector
80
Fig 5-10 Solar thermal storage
81
Fig 5-11 Temperature range of radiant systems
82
Fig 5-12 Temperature range of heat sources
83
  • Section 6
  • System Piping and Control

84
Fig 6-1 Circulators (pumps)
85
Fig 6-2 Circulator (pump) curves
86
Fig 6-3 Reset control ratio
87
Fig 6-4 Piping symbols
88
Fig 6-5 Direct-piped system
89
Fig 6-6 Primary/secondary piping
90
Fig 6-7 Hydraulic separator piping
91
Fig 6-8 Mixing assembly concept
92
Fig 6-9 Manually adjusted mixing valve piping
93
Fig 6-10 Thermostatic 3-way mixing valve piping
94
Fig 6-11 Three-way thermostatic mixing with zoning
95
Fig 6-12 Three-way motorized valves and piping
96
Fig 6-13 Four-way motorized valve and piping
97
Fig 6-14 Injection mixing
98
Fig 6-15 Injection mixing with 2-way valve
99
Fig 6-16 Direct injection mixing
100
Fig 6-17 Injection piping detail
101
Fig 6-18 Reverse injection mixing
102
Fig 6-19 Primary/secondary injection piping
103
Fig 6-20 Multi-load system with common primary
circuit
104
Fig 6-21 Parallel branch primary circuit
105
Fig 6-22 Parallel piping of DHW tank
106
Fig 6-23 Heat pump system with buffer tank
107
Fig 6-24 Combination DHW system with heat
exchanger
108
Fig 6-25 Instantaneous water heater with radiant
system
109
  • Section 7
  • Electric Radiant Heating

110
Fig 7-1 Embedded electric element
111
Fig 7-2 Embedded electric radiant floor system
112
Fig 7-3 Cable/mat system
113
Fig 7-4 Mesh system
114
Fig 7-5 Thin-film electric panels
115
Fig 7-6 Thin-film installation
116
Fig 7-7 Electric ceiling panel
117
Fig 7-8 Self-regulating flat heaters
118
  • Radiant Heating Cooling II
  • Application and Design

119
  • Section 8
  • Estimating Heat Load

120
Fig 8-1 R-values of common building structures
121
Fig 8-2 Estimate of air infiltration
122
Fig 8-3 Heat load flow chart
123
Fig 8-4 Heat loss parameters
124
  • Section 9
  • Floor Coverings

125
Fig 9-1 Total resistance to heat transfer
126
Fig 9-2 Floor surface temperature variations
127
Fig 9-3 Floor covering R-values
128
Fig 9-4 Laminate flooring
129
Fig 9-5 Laminated flooring
130
Fig 9-6 Double layer floating floor
131
Fig 9-7 Nail-down flooring options
132
Fig 9-8 Ceramic tile
133
Fig 9-9 Crack isolation membrane detail
134
Fig 9-10 Carpet cushion heat transfer
slab rubber (best)
bonded urethane (poor)
waffle rubber (better)
135
Fig 9-11 Vinyl Flooring
136
  • Section 10
  • System Sizing

137
Fig 10-1 Upward heat flux
138
Fig 10-2a System sizing flow chart
139
Fig 10-2b System sizing flow chart
140
Fig 10-3 Floor surface temperature
141
Fig 10-4 Tube spacing
142
Fig 10-5 Spacing factor
Factor x Area Total Tube
143
Fig 10-6 Floor construction R-values
144
Fig 9-3 Floor covering R-values
145
Fig 10-7 Supply water temperatures
floor structure R-value floor covering
R-value ____________________ total
floor R-value
146
Fig 10-8 Head loss
147
  • Section 11
  • Radiant Cooling

148
Fig 8-1 Ceiling cooling versus floor cooling (?)
149
Fig 8-2 (?)
150
Fig 8-3 Chilling water with a fan coil
151
Fig 8-4 Fan coil bypass in heating mode
152
Fig 8-4 Coolant to water chiller
153
  • Section 12
  • Air Conditioning

154
  • Section 12
  • System Documentation

155
  • Section 13
  • Specifying and Sequencing

156
  • Section 14
  • Example Systems

157
  • APPENDIX

158
Fig A-1 Heat pump capacity
159
Fig A-2 Manifold zone wiring
160
Fig A-3 Setting a flow restrictor valve
161
Fig A-4 Insulation table (?)
162
Formula A-1 Injection Flow
163
Formula A-2 Ohms Law
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