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SRCC
Commercial Solar Water Heating System Guideline Recommendations
SRCC
does not currently certify commercial solar water heating systems.
Nevertheless, there appears to be a renewed interest in large
commercial systems. In light of this, SRCC has reviewed numerous
documents that can serve as guidelines and a good staring point
for those wanting information on commercial system design, installation,
and the development of operation and maintenance manuals.
SRCC
has developed this web site to provide interested parties guidelines
for the design and installation of large commercial solar water
heating systems. Also included are guidelines on developing system
operation and maintenance manuals.
ASHRAE
Solar Heating Systems Guidelines
The
three ASHRAE solar system guideline documents listed below are
the most comprehensive commercial solar system guidelines available.
The documents deal with both water and space heating, but the
intent of SRCC is to make these available primarily for the
design of water heating systems.
Since
these are rather large manuals, specific sections within the
manuals have been identified for the ease of the user. The manuals
and manual sections are provided in pdf format. The documents
provided on this site are scanned versions of the original manuals.
Because of this, some files can be rather large. They can be
either opened using Adobe Reader (pdf file format) or saved
directly to a hard drive and opened at your convenience. To
save a file to your hard drive, click the right mouse button
and select "Save Target As ..." in Internet Explorer,
and "Save Link Target As..." in Netscape.
Please
note that ASHRAE has generously provided SRCC permission to
post these ASHRAE guidelines on this web site. ASHRAE owns the
publication rights to these documents. Additional distribution
in print or digital form of these ASHRAE documents is not permitted.
They may be accessed for personal use only from the SRCC web
site. Information about other use of these documents can be
obtained by visiting www.ashrae.org/permissions.
- Active
Solar Heating System Design Manual
This
manual is intended to be used in designing commercial and industrial
solar energy systems for service water heating. The manual consists
of five sections. Numerous forms and checklists are provided
which can be used in the actual design development process.
For ease of downloading, the sections are provided in individual
pdf formats. The sections are:
- Active
Solar Heating Systems Installation Manual
This manual provides guidelines on the installation of large
commercial and industrial solar energy systems for water heating.
The installation practices discussed include pre-construction,
construction, system checkout, and startup recommendations.
Numerous forms and checklists are provided.
- Guide
for Preparing Active Solar Heating Systems Operation and Maintenance
Manuals
The
purpose of this manual is to assists system designers in the
preparation of operation and maintenance manuals. It also describes
the procedures that represent a full coverage of the major elements
in operating and maintaining solar systems. An example of a
system operation and maintenance manual is included. The total
manual is provided in one pdf file
- Sec
1 Operation
1.1 Overview
1.2 System description
1.3 Modes of operation
1.4 Performance evaluation
1.5 Safety considerations
1.6 Operator training
- Sec
2 Maintenance
2.1 Overview
2.2 Maintenance personnel training
2.3 Preventive maintenance
2.4 Troubleshooting and corrective action
2.5 Repair/replace criteria
2.6 Repair
2.7 Re acceptance test
Example system operation and maintenance manual
- Example
system operation and maintenance manual (Appendix)
FSEC
Considerations and Recommendations
These
recommendations were developed after in-depth inspections and
modifications of solar water heating systems installed on public
schools in Florida. The following excerpts
are from the FSEC publications "Operation and Maintenance
Manual for Large Solar Water Heating Systems for Florida Schools"
and "A Survey of Solar Water Heating Systems on Florida
Schools." These documents are provided in pdf format.
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System
Design and Installation Considerations
This excerpt was written primarily for architects
and engineers who design systems for new schools or additions
to schools. It is a compilation of suggestions for avoiding
design and installation problems. This document includes the
following:
-
Preliminary
design design decisions
Load determination
Solar system type
Solar system component sizing
Installation and operation
-
Design
and installation details
Design for installation
Freeze protection
Collector subsystem
Distribution subsystem
Control subsystem
Storage subsystem
Design for operation (manuals, instrumentation, labeling
and identification, accessibility)
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Recommendations
This document is a summary of the most important suggestions
and recommendations on ways to overcome problems that the
authors encountered during the inspection of numerous large
commercial solar water heating systems. These recommendations
deal with system design and installation. These are lessons
learned that should not be repeated.
-
System
design and installation
Collector subsystem
Control subsystem
Storage subsystem
Distribution and piping subsystems
Instrumentation
Freeze protection methods
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Operations
and maintenance
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