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Instruction Manual
RESIDENTIAL SOLAR
WATER HEATING SYSTEM
FOR POTABLE WATER
HEATING ONLY
Solar Water Heater
Solar Collector
SRCC OG-100
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS
PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER.
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
WHEN EVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
PRINTED IN THE U.S.A
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SAFE INSTALLATION, USE AND SERVICE Your safety and the safety of others is extremely important in the installation, use, and servicing of this water heater. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard. Read and obey all safety messages and instructions throughout this manual. It is very important that the meaning of each safety message is understood by you and others who inst
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GENERAL SAFETY 3
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INTRODUCTION Thank You for purchasing this water heating system. However, on days when the sky is cloudy or when large Properly installed and maintained, it should give you years quantities of hot water are being used, we recommend of trouble free service. leaving the backup heater turned on and set to 120° F to Abbreviations Found In This Instruction Manual: provide adequate hot water. • ANSI - American National Standards Institute PREPARING FOR THE INSTALLATION • ASME - American Society
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TABLE OF CONTENTS SAFE INSTALLATION, USE AND SERVICE................................................................................................................................. 2 Important Defi nitions ...................................................................................................................................................... 2 GENERAL SAFETY ............................................................................................................................
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SYSTEM DIAGRAM/TYPICAL INSTALLATION 10 6 1 1 8 5 Flow Direction 4 Discharge Pipe 2 (DO NOT CAP OR PLUG) 9 Metal 3 Drain 10 7 Pan 6” Maximum Air Gap Piped To An Adequate Drain At Least 2” Greater Than The Diameter Of The Water Heater. INSTALL SUITABLE METAL DRAIN PANS UNDER HEATERS TO PREVENT INSTALL VACUUM DAMAGE DUE TO LEAKAGE. REFER RELIEF IN COLD TO WATER HEATER LOCATION, SEE WATER INLET LINE AS “LOCATING THE SOLAR WATER REQUIRED BY LOCAL HEATER” SECTION. INSTALL THERMAL EXPANSION C
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SYSTEM COMPONENT PART TABLE 1: Item Component Function 1 Solar collector Absorbs the sun’s heat energy and transfers this to the heat transfer fl uid circulating through the collector 2 Solar storage tank Stores potable water heated by solar generated heat or installed back-up electric resistance element 3 Heat exchanger (Not Shown) Transfers the heat from the collector loop to the potable water in the solar storage tank 4 Expansion tank Allows for the expansion and contraction of the heat tra
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or external to the building. In cold climates, it is recommended is not intended for outdoor installation. that the discharge pipe be terminated at an adequate drain 2. It is handy to have a floor drain, tub or sink nearby. inside the building. That will make it easy to drain water from the water heater. It is also a good place to end the drain line of • Shall not have any valve between the relief valve and tank. the temperature-pressure relief (T & P) valve. When installing the temperature-
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This solar water heater shall not be connected to any 3. Connect the cold water supply pipe to the cold water inlet heating systems or component(s) previously used with a of your solar water heater as follows: non-potable water heating appliance. a. Look at the top cover of the solar water heater. The hot and cold connections are marked there. If this solar water heater is also used for space heating applications, all piping and components connected to the b. A non-metallic dip tube is s
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THERMOSTAT Each thermostat is factory preset at 120°F to reduce the risk of scald injury. This setting has proven by experience to be most satisfactory from the standpoint of operational costs and household needs. Solar water heaters installed in Florida require the thermostat(s) to be set at 125°F. If you wish to adjust the settings, see the “Temperature Adjustment” section of this installation manual on page 11. Figure 5 TEMPERATURE REGULATION Flexible metal conduit or flexible metal
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TEMPERATURE SETTINGS RESET BUTTON HIGH LIMIT CONTROL L1 L3 RESET L1 L3 L2 L4 RESET T1 L2 L4 T1 Figure 8 A non-adjustable high temperature limit control operates T2 T4 before steam temperatures are reached. The high limit is ADJUSTABLE THERM-O-DISC THERMOSTAT in the same area as the upper thermostat and must be reset WITH manually when it activates. BECAUSE THE HIGH LIMIT HIGH LIMIT ACTIVATES ONLY WHEN ABNORMALLY HIGH WATER TEMPERATURES ARE PRESENT, IT IS IMPORTANT 150°F 90°F THAT A QU
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Make sure the electrical supply to the solar water heater is calcium ions. The use of a water softener may decrease turned OFF. Failure to heed this will result in the possibility the life of the water heater tank. of DEATH, SERIOUS BODILY INJURY OR PROPERTY The anode rod should be removed from the water heater DAMAGE. tank every 3 years for inspection. NOTE: artificially softened 2. Open a nearby hot water faucet until the water is no water requires the anode rod to be inspected annually.
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SOLAR COLLECTOR INSTALLATION COLLECTOR LOCATION and tilted at an angle from the horizontal equal to the Proper location and orientation of the solar collectors is latitude of the location + 15°. A steeper angle provides important for maximum system effi ciency. The collec- better winter performance as the sun is lower in the sky. tors should be unshaded from 10:00 am through 3:00 The collectors will also shed snow more effectively at the pm each day in every month of the year and should b
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SOLAR COLLECTOR INSTALLATION COLLECTOR ORIENTATION When the collectors are mounted one behind the other, Proper tilt angle for solar collectors is latitude plus 15° they should be spaced suffi ciently apart so that when the This 15° additional tilt improves performance in the sun is at its lowest altitude, the collectors will not shade winter, when the sun is weaker and at a lower angle. each other and cause effi ciency loss (see Figure 13). If a The cost in performance in the summer whe
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hardware provided. The solar collector must be attached to All persons working on roofs should have successfully the mounting hardware as detailed in Figure 17. completed a fall-safety course and should be properly equipped with appropriate safety equipment. Preserving the integrity of the roof membrane is the most important roofi ng consideration. Ensure that all roof penetrations required to plumb and mount the solar WARNING collector are properly fl ashed and sealed in accordance with st
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Drill Points (Clearance Hole for 3/8” Bolt) Mounting Bracket 32” 14” 32” 14” 86” Figure 15 Figure 16 16 Rafter Rafter
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ATTACHING COLLECTOR TO MOUNTING BRACKETS To aid in handling the collectors on the roof the collector mounting clips may be tightened to the lower mounting Once all of the mounting brackets have been secured brackets prior to raising the collectors. The collector to the roof insert the channel nut with spring inside the can then be set on the mounting brackets against the channel. Then fasten the collector mounting clip to the clip while the top clips are fastened over the lip on the
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COLLECTOR PIPING Care should be taken in the spacing of collectors as attachment of piping is easiest with properly aligned The piping of the system should be considered before a collectors. The connection between the collector panels fi nal decision is made on how the collectors are mounted. is made with copper unions. To aid in installation the Piping should be made of copper tube of the type collector array layout should be planned on the ground meeting local codes, insulated with Ar
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COLLECTOR PIPING DETAIL Sensor Wire The outlets of the collector are 1” copper pipe nipples (To Collector) (Figure 19). They should be piped as shown with provisions for an automatic air vent. The air vent must be oriented vertically as this must be the highest point in the system in order for air to escape. This will prevent air lock and subsequent loss of system effi ciency. Tefl on tape or high temperature, high quality pipe sealant should be used when making threaded connections. The c
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PUMP STATION INSTALLATION SAFETY INSTRUCTIONS PUMP STATION The installation and start-up of the solar station as well as The following instructions describe the installation, start- the connection of electrical components require technical up, function and operation of the solar pump station. knowledge commensurate with a recognized vocational The solar pump station may only be used in the collector qualifi cation as a fi tter for plumbing, heating and air con- circuit of a solar thermal
