Install Instructions

IM-PR 566442 1114 (Design Manual)
4
5 Snow Melting
5.1 Selecting the design criteria level .....96
5.2 Calculating the snow melting load ....98
5.3 Calculating the tubing spacing . . . . . .102
5.4 Calculating the glycol solution supply
temperature .....................102
5.5 Selecting the percent glycol mixture ..103
5.6 Sizing for ow rate, pressure drop and
expansion ......................103
5.6.1 Glycol ow rate .............103
5.6.2 Glycol pressure drop ........106
5.6.3 Glycol expansion tank selection ..111
5.7 Selecting the circulator ............114
5.8 Approximating the operating cost ....114
5.9 Thermal mass considerations .......116
5.10 Typical cross sections .............116
5.11 Controls ........................116
5.11.1 Piping congurations ........116
5.11.2 Mixing options .............116
5.11.3 Selecting a heat exchanger ...124
5.11.4 Control hardware ...........124
5.12 Planning and installation ..........125
5.12.1 Creating a material list .......125
5.12.2 Layout planning ............125
5.12.3 Installation ................126
5.12.4 Slab joint tube protection .....126
5.13 Startup ........................130
5.13.1 Pressure testing, lling and
purging ...................131
5.13.2 Initial Balancing ............132
5.14 Maintenance ....................133
Appendix A Tubing ....................134
Appendix B Repair Coupling Wrap ......138
Appendix C Climate Panel
A.1 Introduction ....................139
A.2 Typical cross sections .............140
A.3 Creating a material list. . . . . . . . . . . . .146
A.4 Layout planning ..................146
A.5 Installation ......................147
Appendix D In-Slab Systems
B.1 Introduction .....................157
B.2 Typical cross sections .............157
B.3 Creating a material list. . . . . . . . . . . . .166
B.4 Layout planning ..................167
B.5 Installation ......................168
B.5.1 Rapid Grid considerations ....169
B.5.2 Snap Panel considerations ....170
Appendix E Climate Trak
C.1 Overview .......................173
C.2 Creating a material list. . . . . . . . . . . . .181
C.3 Layout planning ..................182
C.4 Installation ......................183
Appendix F Climate Mat
D.1 Components ....................193
D.2 Planning the installation ...........193
D.2.1 Preparing the site ..........193
D.2.2 Off-loading and storing the mats ..195
D.2.3 Layout and staging ..........195
D.2.4 Items needed for installation ..196
D.3 Installing the Climate Mat ..........196
D.3.1 Precautions during installation . . .196
D.3.2 Repairing tubing ...........197
D.3.3 Fastening the Climate Mat ....197
D.3.4 Getting around obstacles ....198
D.3.5 Sleeving expansion joints and slab
penetrations ...............198
D.3.6 Pouring the concrete ........198
D.3.7 Connecting to permanent
manifolds .................199
D.4 Startup ........................199
D.4.1 Purging procedure ..........199
D.4.2 Warming up the slab ........199
D.4.3 Testing the concrete for excessive
moisture ..................199
D.5 Viega Manifold Cabinet ............199
Appendix G R-values of coverings ......201
Appendix H Btu output tables ..........202
Appendix I Glossary ...................205
References ............................208