FAFCO Drainback 200 Series Installation Manual Download Page 1

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200 Series

Drainback

Solar Hot Water System

Installation Manual

Made in the U.S.A.

Note: This manual provides a detailed, step-by-step procedure for installing the Solar

Water-Heating System. The directions should be followed properly, and only recommended

components and hardware should be used. This will ensure a trouble-free system that will

maintain the warranty while providing solar energy and savings.

Summary of Contents for Drainback 200 Series

Page 1: ...a detailed step by step procedure for installing the Solar Water Heating System The directions should be followed properly and only recommended components and hardware should be used This will ensure...

Page 2: ...ter heater by various household fixtures and appliances such as a clothes washer dishwasher bath shower and other fixtures System performance is affected by available solar energy the solar collectors...

Page 3: ...the system before unthreading or cutting into any part of the water heater plumbing Consult a licensed plumber if you have any doubts Check your local building codes Hot water is dangerous Water tempe...

Page 4: ...solar water heating collectors and systems The solar energy system described in this manual when properly installed and maintained meets the minimum standards established by SRCC This certification do...

Page 5: ...ector connectors 3 1 2 L PN 08883 18 Quantities in upper left denote 2 x12 collectors and lower right denote 2 x8 collectors Ground Kit PN XXXXX Teflon tape roll PN 07581 1 Drain valve PN XXXXX Flexib...

Page 6: ...er heater A O Smith Conservationist R 24 Promax Plus R16 with R8 Blanket or equivalent Information Kit 1 1 1 2 Owner s Manual PN 08942 Cold Water Valve Position Label PN 08371 Freeze Protection And Fl...

Page 7: ...emand heater These systems can be used with either gas or electric water heaters Components vary based on configura tion Refer to the schematics on the following pages for further details Two 2 x 12 S...

Page 8: ...r heated water in the solar storage tank preheats the water to the electric or gas water heater A solar storage tank connection kit PN 730 1 is available from your supplier to connect the solar storag...

Page 9: ...er size require ments Code typically requires that water heaters be sized to meet a minimum First Hour Rating based on the number of bedrooms and bathrooms in a home For single element water heaters t...

Page 10: ...er to properly work with a solar water heating system it must have a temperature modulating gas burner A temperature control valve is required for this configuration but depending on the brand and mod...

Page 11: ...Solar Collector Black UV Resistant Collector Header Black UV Resistant Push Fitting Black UV Resistant Collet Cover Function Absorbs the energy from the sun to heat the solar loop fluid Push fittings...

Page 12: ...PONENT OVERVIEW Overview continued Self Cleaning Filter 20 Mesh Filter Screen Solar heated water from Circualtion Module Cold Water to Circulation Module Drainback Tank Solar Loop Outlet Solar Loop In...

Page 13: ...side of the connector bodies Make certain to push the tubing Figure 2 Insertion Depth completely into the fitting until it comes into contact with the internal tubing stop See Figure 2 To disconnect e...

Page 14: ...PROCESS 1 SITE SELECTION AND PLANNING 2 ROOF MOUNTING 3 TANK PLUMBING 4 DRAINBACK TANK INSTALLATION 5 CIRCULATION MODULE INSTALLATION 6 CONTROLLER INSTALLATION 7 TUBING SENSOR INSTALLATION 8 SYSTEM S...

Page 15: ...ro fessional to determine the remaining life of the roof be fore recommended replacement Important The solar collectors are flexible and must be installed on a smooth flat surface Any uneven or very r...

Page 16: ...ag screws through the roof to a truss and use roof sealant at the penetration to ensure a good seal in a manner acceptable to the metal roof manufacturer Fasten down stringers and substrate to support...

Page 17: ...for the sensor to reach 1 outside the roof jack Lift shingle and apply a large bead of roof sealant completely around the hole and the lead wire Slide roof jack into place under the shingle with lead...

Page 18: ...es out from the header as de tailed in Steps 4 5 above Note This jack does not get a sensor 2 Roof Mounting Continued Tile Roof Installation Kit TRIK Step 1 Attach bases to channels Step 2 Determine l...

Page 19: ...or tile will crack A Align the channel end with the chalk line and slide into place under the tile clips B Secure channel to clips with provided 14 self tapping screws C Repeat procedure for next chan...

Page 20: ...gas water heaters shut off the gas supply valve Shut the cold water inlet valve to the water heater This is usually a ball or gate valve located near the top of the water heater Shut off water to the...

Page 21: ...4 TEE Apply thread sealant and connect a 3 4 tee in the upright position to the cold water inlet of the tank Connect tee to cold water valve and temperature control valve port labeled C using flexibl...

Page 22: ...3 FILL TANK ACTIVATE ELECTRICAL GAS SUPPLY With the system in normal operating position and a hot water faucet still open turn the cold water shut off valve on to allow water to enter the tanks The op...

Page 23: ...ith cross oriented horizon tally Note Do not over tighten and crack the brass cross STEP 2 INSTALL DRAIN BIBB STEP 3 DIP TUBE ASSEMBLY STEP 4 INSERT DIP TUBE Apply fresh thread seal ant to the water h...

Page 24: ...ank in place over the mark Raise the drainback tank straight up until the tubing at the top touches the ceiling Mark the location where the tubing touches the ceiling Make a second mark directly above...

Page 25: ...op of the circulation module The flexible hoses only fit one way small to small and large to large Do not use teflon tape or pipe thread compound on these connectors Screw the return side i e larger f...

Page 26: ...helper on roof push approximately 1 of tubing through the lower roof jack penetration Tubing may be lubri cated with silicon grease or water Install tube mounting clips up by the roof jack and clip tu...

Page 27: ...ush the inserts into the tubing prior to each connection with a fit ting Be certain to firmly push the tubing with insert all the way into the fitting past the O ring and stop against the seat With th...

Page 28: ...l screwdriver to push the white tab up then insert the wire into the terminal and release the tab It does not matter which side is red and which is black Remove the lower access cover plate from the s...

Page 29: ...water valve to house Check plumbing for leaks and repair where necessary Fill drainback tank with water to the top of the sight glass using a garden hose For additional freeze protection add three gal...

Page 30: ...ast 10 hotter than the lower tank temperature Solar Setting The SOLAR switch is normally set in the AUTO position and should remain set this way for automatic operation The ON position is normally for...

Page 31: ...ully into the fitting Refer to the section in this manual on the proper procedure for installing tube fittings If the leak is coming from inside the ICM contact FAFCO for further instruction If the le...

Page 32: ...ical and corrosion resistant 5 Weatherability Weatherometer accelerated outdoor exposure and other extensive laboratory testing demonstrates long term weatherability of solar collectors refer to warra...

Page 33: ...31...

Page 34: ...Visit www FAFCO com for current technical bulletins and other updates 435 Otterson Drive Chico CA 95928 8207 800 994 7652 PN 08941 10 10...

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