A.O. Smith 750 SERIES, GB/GW-300, 500 Lighting Instructions for the GB/W 300 through 750 models

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THE UNIT SHOULD NOT BE INSTALLED DIRECTLY ON A CARPETED FLOOR. A FIRE HAZARD MAY RESULT. Instead, the boiler must be installed on the A. O. Smith Combustible Floor Kit Base or concrete blocks extending beyond the full width and depth of the boiler by at least 3 (76.2mm) inches. If the boiler is installed in a carpeted alcove, the entire floor must be covered with concrete blocks, or use the A. O. Smith Combustible Floor Kit Base.

FLAMMABLE ITEMS, PRESSURIZED CONTAINERS OR ANY OTHER POTENTIAL FIRE HAZARDOUS ARTICLES MUST NEVER BE PLACED ON OR ADJACENT TO THE BOILER. OPEN CONTAINERS OF FLAMMABLE MATERIAL SHOULD NOT BE STORED OR USED IN THE SAME ROOM WITH THE BOILER.

Light the unit in accordance with the instructions on the lighting and operating label attached to the boiler. These instructions are repeated on the following two pages.

Lighting Instructions for the G(B/W) 300 through 750 models

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Contents Series 400, 401, 402, 403, 404 14-18Lighting Instructions for the GB/W 300 through 750 models Lighting Instructions Risk of ScaldsBurner System Inputs To CCB and FCBCCB Drawing #211758 FCB Drawing #211759 PDB Drawing #211760 Outputs from CCB and FCBs CCB/FCB Indicator Lamps & FusesLine Polarity Indicator & Fuse Protection IgnitersFCB Eight position Dipswitch GB/LBStages 1 and 2 will turn on in sequence from 1 to Temperature Setpoints System Control AlgorithmUIM Operating Procedures Description of CCB control states Description of FCB control states Idle StateOperating Setpoint Operating Differential SetpointConnection Diagram Drawing #211769 Page UIM Touch Switches Soft Fault Displayed Description Red LED LockoutHard See below Other troubleshooting hints Page Page Page NEW Boiler Limited Warranty

500, 750 SERIES, 650, GB/GW-300 specifications

The A.O. Smith GB/GW-300, 650, 750 Series, and 500 represent a cutting-edge line of commercial water heaters designed to meet the diverse needs of various applications. These models are highly regarded for their advanced features, robust construction, and reliable performance, making them ideal for businesses such as restaurants, hotels, and industrial facilities.

One of the main features of the A.O. Smith GB/GW series is its high-efficiency design. These water heaters are built with advanced insulation and heat exchanger technology, which contribute to reduced energy consumption and lower operating costs. The products achieve notable energy efficiency ratings, ensuring that businesses can maintain their hot water supply without incurring excessive utility bills.

The GB/GW series also incorporates a user-friendly digital control system. This technology allows operators to monitor and adjust settings easily, providing real-time feedback on temperature and energy consumption. This level of control enhances operational efficiency and ensures hot water is always available when needed.

Another significant characteristic of the A.O. Smith GB/GW series is its durable construction. The units are designed with high-quality materials that resist corrosion and wear, extending their operational lifespan. The stainless steel tanks and heat exchangers are engineered to withstand high temperatures and pressure, making them reliable even in demanding environments.

Moreover, safety features are paramount in the design of these water heaters. The series includes multiple safety mechanisms, such as high-temperature limit switches and pressure relief valves, ensuring the safe operation of the unit at all times. This not only protects the equipment but also guarantees the safety of personnel using hot water.

The GB/GW series ranges in capacity, accommodating different sizes of operations. From the compact and efficient 300 model to the larger 650 and 750 units, the series offers flexibility to suit various demands. The 500 model strikes a balance between capacity and efficiency, making it a popular choice for medium-sized establishments.

In summary, the A.O. Smith GB/GW-300, 650, 750 Series, and 500 are exemplary choices for commercial water heating solutions. Their combination of efficiency, advanced technology, durable design, and comprehensive safety features ensures that businesses have access to reliable hot water, ultimately supporting their operational needs and enhancing service delivery.
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