WARNING

Before manually operating the valve, make sure that a drain line has been attached to the valve to direct the discharge to an open drain. Failure to take this precaution could mean contact with extremely hot water passing out the valve during this checking operation.

FLUSHING PROCEDURE FOR LIME SCALE REMOVAL FROM HEAT EXCHANGER

The amount of calcium carbonate (lime) released from water is in direct proportion to water temperature and usage. The higher the water temperature or water usage and the harder the water (more dissolved calcium carbonate), the more lime deposits are dropped out of the water. This is the lime scale that forms in pipes, water heaters and on cooking utensils.

Lime accumulation reduces the efficiency and longevity of the heat exchanger coil and will cause the water heater to malfunction. The lime scale may need to be periodically removed from the heat exchanger (indicated by the “LC” code on the remote display). The usage of water softening equipment greatly reduces the hardness of the water. However, this equipment does not always remove all of the hardness (lime). The heat exchanger may occasionally need to be flushed to clear out the lime deposits. Use the following procedure and diagram (fig. 13) to flush the heat exchanger and remove the lime scale.

1.Disconnect power to the water heater.

2.Close valves in the cold water inlet and outlet supply.

3.Connect PVC hoses (may use garden hose to the drain valve outlet fittings). Connect a circulator pump to the hose connected to the cold water inlet. See figure 13 for hose and circulator connections.

4.Pour 4 gallons of fresh vinegar into a 5 gallon bucket.

5.Place the ends of the hose into the bucket.

6.Open the drain valves to the hose fittings.

7.Turn on power to the circulating pump and allow the vinegar to circulate through the heat exchanger coil for at least 45 minutes. Heavily limed heat exchangers may require several hours.

8.Turn off power to the circulating pump.

9.Run hose from hot water outlet to a drain.

10.Close the drain valve on the cold water inlet. Leave hot water drain valve open. Open cold water inlet to flush with fresh water.

11.Allow water to flow out of the hose for 5 minutes to flush vinegar from the water heater.

12.Shut off cold water inlet valve. Remove filter screen and clean out any sediment. Reinstall.

13.Close the hot water drain valve. Open the cold water inlet and hot water supply valves.

14.Disconnect the hoses from the drain valve connections.

15.Restore power to the water heater and check operation.

36

Page 35 Page 37
Page 36
Image 36
Bradford-White Corp IGE-199R Series, IGE-199C Series instruction manual
Page 35 Page 37

IGE-199R Series, IGE-199C Series specifications

Bradford-White Corporation is a renowned manufacturer in the water heating industry, providing high-quality solutions for residential and commercial applications. Among its innovative line of products, the IGE-199R and IGE-199C Series stand out for their exceptional performance and efficiency in delivering hot water.

The IGE-199R and IGE-199C Series are powered by advanced technology designed to meet the demands of both modern homes and commercial settings. They feature advanced tankless water heating systems that offer continuous hot water on demand, eliminating the need for bulky storage tanks. This not only saves space but also enhances energy efficiency, as hot water is produced only when needed.

One of the key features of the IGE-199R and IGE-199C is their Energy Star certification, attesting to their high efficiency. These units utilize a powerful, high-efficiency condensing heat exchanger, which maximizes heat transfer while minimizing energy loss. The design facilitates a uniform and solid flow rate, ensuring that multiple outlets can be served simultaneously without compromising performance.

Both series also incorporate cutting-edge technology, such as modulating gas burners that adjust the heat output to match the hot water demand. This means that these units can efficiently operate at varying levels of energy consumption, ultimately resulting in lower utility bills for the consumer. Additionally, the units are equipped with an integrated control system that monitors system performance and provides digital diagnostics, making maintenance and troubleshooting straightforward.

Safety features are also paramount in the design of the IGE-199R and IGE-199C models. The units are outfitted with a range of safety sensors, including temperature and pressure relief valves, ensuring safe operation and preventing potential hazards. Furthermore, the innovative venting options allow for flexible installation, even in tight spaces, without compromising safety or efficiency.

The IGE-199R and IGE-199C Series are engineered to be user-friendly, offering a clear interface for easy operation and monitoring. Their robust construction ensures durability and reliability, making them an excellent choice for long-term investment in hot water solutions.

In summary, Bradford-White's IGE-199R and IGE-199C Series deliver exceptional quality and performance in tankless water heating. With their focus on energy efficiency, advanced technologies, and safety features, these units provide a reliable and effective solution for meeting the hot water needs of any household or commercial space.
Top Page Image Contents