3
LP-199 REV. 4.15.14
Solar Water Heating System Design and Installation Guidelines, SRCC OG-300, available from Solar Rating & Certification
Corporation, 400 High Point Drive, Suite 400, Cocoa, FL 32926-6630, www.solar-rating.org.
Code for the Installation of Heat Producing Appliances (latest version), from American Insurance Association, 85 John Street, New
York, NY 11038.
The latest version of the National Electrical Code, NFPA No. 70.
In Canada, refer to Canadian Electrical Code C 22.1, from Canadian Standards Association, 5060 Spectrum Way, Suite 100,
Mississauga, Ontario, Canada L4W 5N6.
TABLE OF CONTENTS
INTRODUCTION .......................................................................................................................................................................... 5
PART 1 - GENERAL SAFETY INFORMATION ........................................................................................................................... 5
A. PRECAUTIONS .......................................................................................................................................................................... 5
B. LOCAL INSTALLATION REGULATION ...................................................................................................................................... 6
C. CHEMICAL VAPOR CORROSION ............................................................................................................................................. 6
D. INSULATION BLANKETS ........................................................................................................................................................... 7
E. DOMESTIC HOT WATER TEMPERATURE ADJUSTMENT ...................................................................................................... 7
F. FREEZE PROTECTION .............................................................................................................................................................. 7
PART 2
– IMPORTANT INSTALLATION INFORMATION .......................................................................................................... 7
A. SCOPE OF MANUAL .................................................................................................................................................................. 7
B. LOCAL STANDARDS AND AUTHORIZED PERSONS .............................................................................................................. 7
C. TERMINOLOGY ......................................................................................................................................................................... 7
D. SYSTEM DESIGN ...................................................................................................................................................................... 8
E. FLUID QUALITY ......................................................................................................................................................................... 8
F. CORROSION .............................................................................................................................................................................. 8
G. FREEZE PROTECTION ............................................................................................................................................................. 8
PART 3 - GENERAL SOLAR INFORMATION ............................................................................................................................ 8
A. SYSTEM DESCRIPTION ............................................................................................................................................................ 8
B. SOLAR SYSTEM DESIGN ......................................................................................................................................................... 9
C. SOLAR COLLECTOR INSTALLATION ...................................................................................................................................... 9
D. COLLECTOR ANGLE, PLANE, AND DIRECTION ................................................................................................................... 10
1. COLLECTOR DIRECTION ................................................................................................................................................................................. 10
2. COLLECTOR ANGLE (TILT) .............................................................................................................................................................................. 10
3. COLLECTOR PLANE (HORIZONTAL OR VERTICAL) ....................................................................................................................................... 10
E. COLLECTOR PIPING ............................................................................................................................................................... 10
F. COLLECTOR LOOP PIPE INSULATION .................................................................................................................................. 10
G. COLLECTOR SENSOR PLACEMENT ..................................................................................................................................... 11
H. AVOID SHADE ......................................................................................................................................................................... 11
I. LOCATION ................................................................................................................................................................................. 11
J. LIGHTNING PROTECTION ....................................................................................................................................................... 11
K. GALVANIC REACTION ............................................................................................................................................................ 11