
USA: R.W. Beckett Corporation • ph: (800)645-2876 • fax: (440)327-1064 | Canada: R.W. Beckett Canada Ltd. • ph: (800)665-6972 • fax: (5
6© SOLARHOT 2006-2009Sizing the heat exchanger: There are several different types of heat exchangers available on the market today, including hot wat
7© SOLARHOT 2006-2009temperature as the storage tank bottom, the pump automatically turns off.If your location experiences freezing conditions, eve
8© SOLARHOT 2006-2009Caution: The primary design principle behind a drainback system is that the water in the collectors is able to drain back when t
9© SOLARHOT 2006-2009because of it’s cost-to-performance ratio, as well as its compact size. A 5”x12” heat exchanger can be mounted on the side of a
10© SOLARHOT 2006-2009You don’t require a drainback tank in this system but you will require an expansion tank. The expansion tank should be sized
11© SOLARHOT 2006-2009There are manufacturers that produce collectors that have plastic glazing (covers) rather than tempered high transmission glass.
12© SOLARHOT 2006-2009Whether you plan to upscale your system and go with copper or stick with Pex be sure to use ¾” I.D. pipe for all of your runs to
13© SOLARHOT 2006-2009If you are installing a glycol system, or a drainback/open loop system with a relatively high limit on the storage tank (1700 F+
14© SOLARHOT 2006-2009Two things to note here: head and ow rate of a pump. The head represents how high the pump can lift a column of water. They m
15© SOLARHOT 2006-2009Chapter 9: Placing the collectorsWarning: All work more than 5’ above the ground should be conducted with the appropriate fall p
16© SOLARHOT 2006-2009If you do not have access to the attic from underneath:Peel back the shingles from the edge of the roof to determine where the r
17© SOLARHOT 2006-2009Chapter 10: Charging the systemI recommend that prior to lling the system you pressurize it with compressed air (to 60 p.s.i.)
18© SOLARHOT 2006-2009Appendix A: DestraticationOne of the real concerns that people should consider when installing a solar hot water system is what
19© SOLARHOT 2006-2009Appendix B: Evacuated Tube CollectorsMany times I have been asked, “What about evacuated tube collectors?”Evacuated tube collect
20© SOLARHOT 2006-2009Appendix D: Resource Linkswww.solarH2Ot.com - A full service solar thermal manufacturer and distributor. They carry pum
21© SOLARHOT 2006-2009Appendix F: Pictures of InstallationsAppendix G: About the Author Dan Gretsch is a registered Professional Engineer. He receive
22© SOLARHOT 2006-2009USA: R.W. Beckett Corporation • ph: (800)645-2876 • fax: (440)327-1064 | Canada: R.W. Beckett Canada Ltd. • ph: (80
23© SOLARHOT 2006-2009Convert any existing water heating system into a solar water heating system All-in-one heat exchanger, dual-sided circulators an
CORPORATIONUSA: Mail: P.O. Box 1289 | Elyria, OH 44036 ● Ship: 38251 Center Ridge Rd. | North Ridgeville, OH 44039Canada: R.W. Beckett Canada, Ltd
i© SOLARHOT 2006-2009 GUIDE TO SELECTING AND INSTALLING A Solar Hot Water SyStemIntroduction There has been a lot of press lately about the growth of
ii© SOLARHOT 2006-2009increases the value of your home dollar for dollar, pays you 30-50% back on your next tax bill, and pays you back 14% per year.
1© SOLARHOT 2006-2009Section 1: Selecting a Solar Hot Water SystemChapter 1: What is Solar Thermal?There are many people who are confused about what s
2© SOLARHOT 2006-2009is maximizing the direct sunlight. However, a solar thermal panel can be as high as 80% efcient at transmitting direct sunlight
3© SOLARHOT 2006-2009If you want to know the exact impact of your tilt and direction on the performance of your system you can go to www.retscreen.net
4© SOLARHOT 2006-2009Sizing the collector area: The maximum energy you can get out of your system is controlled by a few things, including the square
5© SOLARHOT 2006-2009• Second, the size of the storage tank controls how much of the heat that you absorb in from the collectors that you can keep.
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