FAFCO ST Installation Manual
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FAFCO ST Installation Manual

Solar pool heater
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About FAFCO Solar Pool Heaters:
• Largest selling solar pool heating systems in the United States since 1969
• Over 2 million solar pool heaters installed worldwide
• Best design in the industry with patented even flow distribution and highest
solar performance
• Made of a specially formulated UV resistant polymer that won't rust,
corrode, or scale
Attention:
This manual provides a detailed step-by-step procedure for the installation of the FAFCO
solar pool heating system. The directions should be followed properly and only
recommended FAFCO components and hardware should be used in order to provide a
trouble free system that provides free service, savings, and enjoyment.
ST Installation Manual
FAFCO
Solar Pool Heater

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Summary of Contents for FAFCO ST

  • Page 1 Attention: This manual provides a detailed step-by-step procedure for the installation of the FAFCO solar pool heating system. The directions should be followed properly and only recommended FAFCO components and hardware should be used in order to provide a...

  • Page 2: Table Of Contents

    CONTENTS System Diagram........... . .3 What Do The Components Do.

  • Page 3: System Diagram

    SYSTEM DIAGRAM...

  • Page 4: What Do The Components Do

    5 & 6. Your Pump and Filter These are compatible with your FAFCO Solar System and will continue to do their job whether or not the solar is turned on. When cleaning the filter the solar system should be isolated to prevent debris from entering the system.

  • Page 5: Before You Start

    BEFORE YOU START Always read complete installation manual instructions before starting. If you have any installation problems or questions consult your local FAFCO distributor. Remember to always conform to your local building codes This manual is designed for residential use only. Commercial systems, or any other sytem in excess of 20 panels, require further engineering and design.

  • Page 6: Site Selection

    SITE SELECTION The FAFCO solar panels require a mounting space 50 7/8" wide for each panel. When computing the actual installed dimensions of the entire system, allow an extra 12" around the perimeter of the bank to accommodate mounting apparatus, plumbing fittings and system accessories.

  • Page 7: Additional Parts Required

    ADDITIONAL PARTS REQUIRED In addition to the parts supplied with your panels you will need to purchase the following items from your local hardware store: ¼” Corrosion Resistant Lag Bolts (length to fit your roof structure) Pipe Brackets PVC Pipe-2" PVC Fittings-2"...

  • Page 8: Mounting The Solar Collectors

    MOUNTING THE SOLAR COLLECTORS TOP HEADER BRACKET 1. Locate hold down bracket on roofing above subroof or sheathing. (Do not attempt to attach clamps to roof material only!) 2. Mark and drill a pilot hole. 3. Inject the sealant into the pilot hole and on the bottom of the hold down bracket. 4.

  • Page 9: Built Up Roofing

    BUILT UP ROOFING A tar and gravel roof requires special care. For further instructions contact your local FAFCO dealer. PANEL COUPLINGS 1. Short couplers (3 1/2" rubber couplers) are used to join the panels together and to attach the end cap and vacuum relief valve.

  • Page 10: Feeding Water In And Out Of The Solar Collectors

    FEEDING WATER IN AND OUT OF THE SOLAR COLLECTORS Since the panel headers and FAFCO coupling hardware are all 2", it is advisable to adapt the existing pump house plumbing to 2" by the use of adapters (usually 1-1/2" to 2") which will allow for the use of all 2"...

  • Page 11: Pool Equipment Plumbing

    PLUMBING TO AND FROM THE PANELS Prime consideration should be given to system drainage (see owner's manual "Freezing Conditions") and appearance when running pipe from your pool pump and filter unit to the panels and back. Standard 2" schedule 40 PVC pipe is readily available and very easy to work with. Pipe insulation to and from the system is unnecessary because the relatively small temperature difference of the pool water and daytime air.

  • Page 12: Before You Call For Service

    BEFORE YOU CALL FOR SERVICE If The System Does Not Appear To Be Heating The Pool Are the filter and leaf trap clean? 2. Is the timer set from about 9 a.m. until about 5 p.m. or for at least 8 hours of operation during solar hours? 3.

  • Page 13: Optional Automatic Solar Controls

    OCCASIONALLY CHECK THE AUTOMATIC TIMER Power failures, adjustments for Daylight Saving Time, etc. will put it behind. It will be necessary to adjust the timer according to the season so that the Solar System will operate during the most beneficial hours of the day. POOL CLEANER TIMER Special care must be taken when setting the timer for automatic pool cleaning equipment.

  • Page 14: Specifications

    (6.28 kg/m All specifications and dimensions set forth above are as estimated by FAFCO Inc., but are not intended to be precise and should not be relied upon as precise without independent verification. These estimated specifications and dimensions are subject to change without notice.

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