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Use & Care Manual
With Installation Instructions for the Installer
Pumped Solar Water
Heating Systems
The purpose of this manual is twofold:
one, to provide the installer with the basic
directions and recommendations for the proper
installation and adjustment of the water heater;
and two, for the owner–operator, to explain
the features, operation, safety precautions,
maintenance and troubleshooting of the water
heater. This manual also includes a parts list.
It is very important that all
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Safety Information FOR YOUR RECORDS Introduction ............ 3, 4 Write the model and serial numbers here: Safety Precautions ....... 5, 6 Model Number of Solar System Tank: ____________________________________ Preface Serial Number of Solar System Tank: _____________________________________ Model Number of Collector Panel #1: ____________________________________ 1) Introduction . . . . . . . . . . . . 1 Serial Number of Collector Panel #1: _____________________________________ Model Number of
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Introduction Thank you for purchasing a solar water heating The solar energy system described by this manual, system. It is one of the most effective and trouble- when properly installed and maintained, meets the free systems available today. In addition to reducing minimum standards established by the Florida Solar your water-heating bills, it will help preserve precious Energy Center, in accordance with Section 377.705, natural resources by using free energy from the sun. Florida Statute
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Introduction continued... Keep the use of the Backup Heater to a Minimum You can save the most money on your water-heating bills by using the backup heater on your system as little as possible. If the sun shines brightly between I0 am and 3 pm, enough heat will normally be generated to keep the water hot throughout the rest of the day and night. However, on days when the sky is cloudy or when large quantities of hot water are being used, we suggest that the backup heater be left “ON” over
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T E S E R IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. ! DANGER! WATER TEMPERATURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting of water heater’s thermostat. Water temperatures above 125°F can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined on the label pictured below. Time/Temperature Relationship in Scalds Temperature Time To Produce a Serious Burn 120°F
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IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. ! WARNING! For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent property damage, personal injury, or loss of life. Be sure to read and understand the entire Use and Care Manual before attempting to install or operate this water heater. It may save you time and cost. Pay particular attention to the Safety Instructions. Failure to follow these w
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PREFACE Rheem solar system. This system is required to be installed by properly licensed solar or plumbing Let us first offer two words of grateful appreciation. contractors in accordance with SRCC Standard OG- Thank You! We sincerely appreciate your business. 300 and all applicable national, state and local codes, Rheem also wishes to say thank you for "going ordinances and regulations governing solar water solar". Solar water heating systems help to reduce heating installations, as well as
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COLLECTOR ORIENTATION fig. 1 COLLECTOR ORIENTATION ferred fig. to 1the HTF circulating through the solar approximately twelve degrees hotter than the collector. The system pump efficiently circulates temperature in the bottom of your solar storage this heated fluid through the collector piping and tank, the controller will turn the circulating pump the controller will turn the circulating pump on. When Propylene glycol can degrade over time. The process ferred to the HTF circulating through th
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TABLE 1 LATITUDE 25°N 30°N 35°N 40°N 45°N 50°N COLL. TILT 35° 40° 45° 50° 55° 60° TABLE 1 A B A B A B A B A B AB FLAT 29 96 33 113 37 145 41 145 44 145 48 145 LATITUDE 25°N 30°N 35°N 40°N 45°N 50°N 5° 1/12 25 83 29 93 33 113 37 132 41 133 44 141 COLL. TILT 35° 40° 45° 50° 55° 60° 9° 2/12 22 74 26 82 30 77 34 110 38 115 41 118 A B A B A B A B A B AB 14° 3/12 17 66 22 72 26 82 30 92 34 95 38 98 FLAT 29 96 33 113 37 145 41 145 44 145 48 145 18° 4/12 14 61 18 66 22 74 26 82 30 85 34 87 5° 1/12 25 83
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fig.4 fig.5 REVERSE PITCH MOUNTING COMPOSITION SHINGLE MOUNTING in the Northern Hemisphere is optimized when the The collector should be unshaded by any permanent collector is mounted facing True South. Performance, obstacle between 9:00 a.m. and 3:00 p.m. on any day 4.2 Collector Tilt be unshaded for the majority of the day all however, suffers very little when the collector is of the year. oriented no more than 45° East or West of True South. year round. Adjacent buildings and trees 10 Opt
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fig.5 COMPOSITION SHINGLE MOUNTING 4.2 Collector Tilt horizontal orientation on the roof (See Figure 1). Although the collector is protected from freeze Optimal annual efficiency is achieved by tilting the conditions by the glycol HTF and does not normally solar collector at an angle that equals your latitude need to be drained, it is still important to slope the plus an additional 10°. This tilt angle favors the lower collectors just slightly to allow for complete drainage winter sun when
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Installing the water heater. fig.6 SHINGLE ROOF MOUNTING attic workspace. the collectors and for proper ventilation of the roofing material. There should be at least 3" of clearance The solar collector should be mounted on the roof in between the roof surface and the bottom of the solar accordance with these general principles: collectors. 4.3.1 The most important structural consideration is 4.3.3 In selecting mounting hardware and fasteners to securely anchor the solar collector and the Rhe
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fig.7 TILE ROOF MOUNTING that all roof penetrations required to plumb and mount must be well insulated with a high quality flexible the solar collector are properly flashed and sealed in closed cell insulation to minimize heat loss. The wall accordance with standard roofing practices. thickness of the pipe insulation should not be less than 3/4". A 1" wall thickness is required in all areas prone to annual hard freeze conditions. When it comes to pipe 4.3.5 If the region is subject to hurri
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Installing the water heater. fig.8 TILE ROOF MOUNTING Any above ground exterior pipe insulation is subject Piping in new solar installations can be covered with to UV degradation and must be wrapped with foil tape dirt, grease, solder flux or other impurities that over or painted with two coats of high quality water-based time affect the quality of the glycol HTF. A thorough acrylic resin coating as supplied by the insulation cleaning is required before charging the system with manufacturer.
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fig.9 FLUSH MOUNTING 4.6 Collector Sensor Placement Figure 13 for collector sensor installation detail. The collector sensor must be located on the hot 4.7 Low Voltage Wiring water return line as close to the collector as possible. Sensors are typically accurate to +/- 1/2°F if properly The low voltage wiring used to connect the sensors installed and weatherized. To maximize sensor to the controller should be a minimum18 AWG. accuracy, attach the flanged portion of the sensor to The wiring sh
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Installing the water heater. fig.10 FLUSH MOUNTING easy to reach. Provide for clear access to the storage heater. If not detected in a timely manner even a small tank, pump, expansion tank, mixing valve, time clock drip or leak may cause serious damage to the tank’s (optional, not provided) and other key components. If electrical components or, in extreme cases, may cause a component in the potable water side of the system the tank to leak from the outside in. may require future service or ma
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fig.11 TILT MOUNT In a single tank system install a third thermometer on the solar storage tank or after the mixing valve on (No. 3) directly after the mixing valve above the solar the back-up water heater. storage tank. In a two tank system you may install the third thermometer either directly above the hot outlet The circulation pump shall be the Grundfos model 17
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Installing the water heater. fig.12 STAND OFF TILT MOUNT UPS15-5BFC/LC, 115 volt. The pump shall be component in all OG-300 certified systems and should prewired with a 6’ line cord so that it can be plugged be plumbed in line with brass union connections for directly into the 115 volt receptacle on the side of ease of future repair or replacment (No. 32). The the differential control. Two way ball valves must specified mixing valve shall be the Heatguard model be installed on either side of
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collector in the summer months or under stagna- tion conditions can melt this type of material. Any above ground exterior pipe insulation is sub- ject to UV degradation and must be wrapped with foil tape or painted with two coats of high quality water-based acrylic resin coating as sup- plied by the insulation manufacturer. Rubatex UV Protective Coating or equal is the required coating material. 4.5 Collector Plumbing SunEarth requires the use of all copper and brass fittings in the collect
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collector in the summer months or under stagna- tion conditions can melt this type of material. Any above ground exterior pipe insulation is sub- ject to UV degradation and must be wrapped with foil tape or painted with two coats of high quality water-based acrylic resin coating as sup- plied by the insulation manufacturer. Rubatex UV Protective Coating or equal is the required coating material. 4.5 Collector Plumbing SunEarth requires the use of all copper and brass fittings in the collect
