8) SUMMER VACATION

ANY BODY OF WATER. BE CAREFUL. THE

RECOMMENDATIONS AND PROCEDURES

HTF MAY BE EXTREMELY HOT!

Solar water heating systems can build up very high t e m p e r a t u r e s when there is no daily draw on the system. If a short summer vacation is planned the best way to dissi-pate heat in the system is to set the controller to the "on" position. The circulating pump will run twenty-four hours a day and cool off the water in the solar storage tank at night. The collector radiates heat back to the atmosphere at night, preventing the system from stagnating at very high temperatures. This will not harm the pump or add substantially to your monthly utility bill. Remember to set the control to the "Automatic" setting upon your return!

During extended summer vacations (4 weeks or more) it is advisable to either cover the solar collectors with an opaque material or to manually drain the collector loop HTF. Rheem recommends that you cover the collectors if practical.

If you choose to drain the HTF in the collector loop follow these steps:

8.1Turn the controller to the “off” position (No. 18).

8.2Connect one end of a garden hose to the purge/ drain valve (No 11) and place the other end in a five gallon bucket. Open the valve and gravity will drain the heat transfer fluid into the bucket. A licensed recycler, reclaimer or incinerator must dispose of the Dowfrost HD.

DO NOT DUMP DOWFROST HD INTO A STORM SEWER, ON THE GROUND OR INTO

8.3If the system is installed with an optional time clock make sure the clock is not preset to go "ON" during your absence. If you have a mechanical time switch, remove the "on" tripper from the clock face (No. 33).

When you return home contact your service contractor to recharge the system with HTF. After the system has been recharged, set the controller to the “automatic” position. Reset the time switch.

9) MAINTENANCE AND TROUBLESHOOTING

The following simple procedures are intended to optimize the performance of your Rheem solar water heating system and also to extend the life of the primary components.

9.1Fluid Quality: It is extremely important to monitor the quality of the Dowfrost HD HTF on a periodic basis. The chemical composition of the heat transfer fluid may change over time. System pH must be maintained between 8 and 10 to avoid damage to the collector loop and absorber plate piping.

9.2The second most important component in your system, at least from a longevity standpoint, is often ignored and never seen. We are referring to the sacrificial "anode rod" installed in your solar storage tank (No. 20). Typically constructed from magnesium, anode rods are installed in "glass lined" water heaters and storage tanks to inhibit corrosion.

As the name implies, the "sacrificial" anode rod is

fig.19b

SOLAR

PREHEAT

28

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Rheem RS80-40BP, RS120-64BP, RS80-48BP installation instructions Solar
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RS80-40BP, RS80-48BP, RS120-64BP specifications

The Rheem RS120-64BP, RS80-48BP, and RS80-40BP are part of Rheem's innovative line of commercial water heaters, specifically designed to provide reliable, energy-efficient hot water solutions for a variety of applications. These models are distinguished by their advanced technologies, robust construction, and user-friendly features, making them ideal for businesses, institutions, and other commercial settings.

One of the standout features of the Rheem RS series is its high recovery rate. This is crucial for commercial establishments that experience high demand for hot water, ensuring that there is always an adequate supply available, even during peak usage times. The RS120-64BP, for instance, is built to deliver a rapid recovery while maintaining excellent energy efficiency, which is a significant advantage for businesses looking to reduce operational costs.

In terms of technology, the Rheem RS models are equipped with advanced electronic controls that enhance performance monitoring and management. These controls allow for precise temperature adjustments and can result in energy conservation, further reducing costs. Additionally, many models feature a built-in diagnostic system that alerts users to any potential issues before they escalate into more significant problems, ensuring uninterrupted hot water supply.

Durability is another hallmark of the Rheem RS series. Constructed with high-quality materials, these water heaters are designed to withstand the rigors of commercial use. Their robust tanks are often lined with premium materials that resist corrosion, extending the lifespan of the unit and ensuring reliability over time.

These models also offer excellent insulation, which minimizes heat loss and boosts overall efficiency. The insulation reduces energy consumption, contributing to lower utility bills and a smaller carbon footprint, which is becoming increasingly important in today’s environmentally conscious market.

The RS80-48BP and RS80-40BP are also designed with convenience in mind. They typically come with easy-to-use connection points and plumbing options that simplify installation and integration into existing systems. These features make it easier for businesses to upgrade their hot water systems without major disruptions to operations.

In summary, the Rheem RS120-64BP, RS80-48BP, and RS80-40BP are exemplary models of commercial water heaters that combine efficiency, durability, and advanced technology. With their high recovery rates, intuitive electronic controls, and robust construction, these units are tailored to meet the demanding hot water needs of any commercial environment. Businesses can trust these models to deliver reliable performance while also contributing to energy savings.
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