Contents

HAZARD DEFINITIONS

2

PLEASE READ BEFORE PROCEEDING

3

1. PREVENT COMBUSTION AIR CONTAMINATION

4

2. MAINTENANCE SCHEDULE

5

Maintenance Procedures

6

Boiler Must Be Serviced and Maintained

6

Check Boiler Area

6

Check Pressure Temperature Gauge

6

Check Vent Piping

6

Check Air Piping

6

Check Relief Valve

6

Check Condensate Drain System

6-7

Check Air Vents

8

Test Low Water Cutoff (if installed)

8

Reset Button (low water cutoff)

8

Check Boiler Piping (gas and water)

8

Operate Relief Valve

8

Shut Boiler Down

8

3. OPERATING INSTRUCTIONS

9

4. SMART SYSTEM CONTROL MODULE

 

SMART SYSTEM Control Module

10

Access Modes

10

Saving Parameters

10

General

10

Temperature Settings

11

Status Display Screens

12-14

Notes

15

Revision Notes

Back Cover

Hazard definitions

The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.

￿DANGER

￿WARNING

￿CAUTION CAUTION

NOTICE

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage.

NOTICE indicates special instructions on installation, operation, or maintenance that are important but not related to personal injury or property damage.

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Lochinvar 51 - 211 manual Contents

51 - 211 specifications

Lochinvar 51-211 is a notable model in the realm of high-performance heating solutions, designed to efficiently meet commercial and residential hot water demands. This innovative water heater stands out due to its capacity, advanced technologies, and energy efficiency, making it a preferred choice for many.

One of the primary features of the Lochinvar 51-211 is its impressive output. With a 211,000 BTU input and a robust design, it is capable of delivering a substantial amount of hot water quickly, which is essential in applications where hot water demand fluctuates significantly. This unit is particularly suitable for large residential homes, restaurants, and other commercial settings where high-volume hot water is critical.

The Lochinvar 51-211 incorporates cutting-edge technology to optimize its performance. It features a stainless steel heat exchanger that not only enhances durability but also improves heat transfer efficiency. This construction provides not only longevity but also minimizes maintenance needs over the lifespan of the unit. Additionally, its smart control system allows for precise temperature control and monitoring, ensuring that users can easily customize settings according to their needs.

Energy efficiency is a cornerstone of the Lochinvar brand, and the 51-211 model is no exception. It achieves a high Energy Factor (EF), which translates to lower energy costs and reduced environmental impact. This unit is also designed to meet stringent efficiency standards, making it an ideal option for environmentally conscious consumers.

Another characteristic of the Lochinvar 51-211 is its versatility in installation. It can be installed in various configurations, allowing for flexible integration into existing systems. Furthermore, its compact design means it can fit into tight spaces without compromising functionality, making it perfect for urban settings where space is often a premium.

Safety features are also a priority in the design of the Lochinvar 51-211. The unit incorporates built-in safeguards, including flue gas monitoring and a vent system designed to prevent backdrafts, ensuring reliable and safe operation for users.

In summary, the Lochinvar 51-211 water heater combines high BTU output, advanced stainless steel technology, excellent energy efficiency, versatile installation options, and safety features. These attributes make it a top choice for anyone in need of a dependable and efficient hot water solution. With Lochinvar’s commitment to quality, users can feel confident that this unit will provide consistent performance for years to come.