Manuals / Bosch Appliances / Household Appliance / Water Heater

Bosch Appliances 125B LPL, 125B NGL operating instructions To check the draft

Models: 125B NGL 125B LPL

1 16
Download 16 pages 13 Kb
Page 7
Image 7

Code if vent will have elbows or share venting with another appliance.

The vent connector should have as much vertical rise as possible (minimum 12”) before any horizontal run. Optional powervent available in order to sidewall vent. Contact your local dealer. The appliance must be located as close as practicable to a chimney or vent. The vent pipe sections must be secured to each other with sheet metal screws. Keep in mind the minimum clearance from the top of your heater. Remember also that single wall vent pipe connectors require a 6 inch clearance from combustibles. National Fuel Gas Code specifies double wall — Type “B”

—vent pipe be used in cold climates and for gas vents running through attics. We consider double wall vent pipe preferable in all circumstances. Any vent section greater than 45 degrees from vertical is considered horizontal. Horizontal sections of vent connectors must slope upwards at least 1/4 inch for every foot of its horizontal length. Keep the horizontal section short and avoid too many elbows. Optional power vent available in order to sidewall vent. Contact your local dealer.

To check the draft:

Close all doors and windows to the outside.

Turn on all appliances that force air out of the building. These include all exhaust/ventilation fans, furnaces, clothes dryers, wood burning stoves, etc.

Open all doors between the AquaStar and these other ap- pliances.

Run the unit for at least 10 minutes. Then hold an ordinary mirror at the side above the front shell. Any flue gases backdrafting will cause the mirror to fog. This is a serious health hazard and must be corrected. Poor venting can result in soot building up inside the heater, overheating of the heater and freezing of the heat exchanger in a freezing environment.

The mirror will remain clear with a properly functioning draft.

WARNING

Note: The burners of an instantaneous “on demand” water heater such as the AquaStar are only on at the time that hot water is actually being used, the vent pipe is therefore cold except for the short durations when hot water is being used, it is therefore very important that the venting and air supply be adequate to provide a good positive draft as soon as the burners turn on. See venting guide on back page.

The AquaStar 125BL instantaneous water heaters have built- in draft diverters and are designed for indoor installation only. The draft diverter outlet must be connected to a clear, unobstructed vent of the same size, or larger.

In Canada, CAN/CGA-B149 Installation Code for detailed requirements

In U.S.A., ANSI Z223.1 - NFPA 54, national Fuel Gas Code for detailed requirements.

The flue connection for the AquaStar 125BL is 5 inches. However, in CANADA, for installations at high altitude (2000- 4500 feet above sea level) a six inch flue is required. A 5" by 6" flue adaptor must be affixed to the flue collar of the AquaStar with at least two screws. See figure 3.

5” X 6” ADAPTOR

USED ON HIGH ALTITUDE

Fig. 3 - Flue Adaptor for High Altitude Canadian

Installations

WARNING: Failure TO INCREASE THE VENT SIZE TO SIX INCHES AND/or assure that the manifold pressure is set to proper value listed for applications at high altitudes will cause unsafe venting, asphyxiation, and will void CSA Certification.

GAS CONNECTIONS and Gas Regulator

Before connecting the gas supply, check the rating plate on the right side of the front cover to be sure that the heater is rated for the same gas to which it will be connected.

In the United States: The installation must conform with local codes or, in the absence of local codes, the National Fuel Gas Code ANSI Z223.1/NFPA 54.

In Canada: The Installation should conform with CGA B149 INSTALLATION CODES and /or local installation codes.

NOTE: The Aquastar 125 BL is supplied with a gas pressure regulator that must be installed on the heater before attaching the gas supply line. See figure 4. Failure to install the gas regulator as shown in figure 4 will be a violation of CSA certification of the unit. The regulator supplied with the heater is preset for the gas shown on the rating plate to the correct pressure. It is an appliance level regulator designed for (low inlet) pressure (less than 1/2 Psig or 15” W.C.) DO NOT connect to an unregulated or high pressure propane line or to a high pressure commercial natural gas line.

GAS INLET PIPE

PRESSURE TAP

PLASTIC VENT CAP

PRESSURE REGULATOR (with directional arrow on reverse side pointing upward)

Fig. 4 - Installation of Gas Pressure Regulator

The pressure regulator provided with the heater is adjusted to deliver the proper gas pressure (as indicated on the rating plate and in the manual for altitude up to 2000 feet (660 meters) above sea level. On appliances being installed above 2000 ft (660 meters) elevation, the inlet gas pressure should be set at installation to the value shown below.

7

Page 6 Page 8
Page 7
Image 7
Bosch Appliances 125B LPL, 125B NGL To check the draft, Flue Adaptor for High Altitude Canadian Installations
Page 6 Page 8

125B NGL, 125B LPL specifications

Bosch Appliances has established itself as a leader in home innovation, offering cutting-edge products designed to enhance everyday living. Among their notable offerings are the Bosch 125B LPL and 125B NGL models, both engineered to meet the needs of modern households.

The Bosch 125B LPL features a sleek design, making it a stylish addition to any kitchen. It operates with a low noise level, allowing for an unobtrusive cooking experience. One of its standout features is the powerful performance it delivers, thanks to its innovative cooking technologies. The induction cooking system ensures rapid heating and precise temperature control, allowing users to cook their meals to perfection. The residual heat indicator is another excellent feature, ensuring safety by alerting users to hot surfaces.

On the other hand, the Bosch 125B NGL focuses on providing versatility and convenience in the kitchen. This model is equipped with advanced gas cooking technology that offers instant heat and adjustable flame control. This ensures that home chefs can simmer, sear, and sauté with precision. The integrated safety features, including a flame failure device, provide peace of mind while cooking.

Both models embody Bosch’s commitment to energy efficiency. They are designed to minimize energy consumption while maximizing performance, which is a significant advantage for environmentally conscious consumers. Additionally, the interface on both appliances is user-friendly, featuring intuitive controls that make it easy to navigate settings and cooking modes.

Bosch has also incorporated smart technology into these models, allowing users to connect their appliances with home networks for added convenience. This can include features such as remote monitoring and control, enabling homeowners to manage their cooking seamlessly.

In terms of durability, both the 125B LPL and the 125B NGL are built with high-quality materials that ensure longevity and reliability. Bosch’s reputation for fine craftsmanship is evident in every aspect, from their robust construction to the aesthetic details.

In conclusion, the Bosch Appliances 125B LPL and 125B NGL models represent the pinnacle of modern kitchen technology. With their powerful performance, energy efficiency, and user-centric features, they are perfect for those who appreciate gourmet cooking as well as everyday meal preparation. Bosch continues to redefine the culinary experience, making cooking not just a task, but an enjoyable journey.