User’s Information Manual

2 Maintenance schedule

Service technician

(see the Knight Wall Mount Service Manual)

 

General:

 

 

 

 

 

 

 

 

• Reported problems

 

 

 

 

 

 

• Inspect interior; clean and vacuum if

 

necessary

 

 

 

 

 

 

 

• Clean condensate trap and fill with fresh

 

water

 

 

 

 

 

 

 

 

• Check

for

leaks

(water,

gas,

flue,

 

condensate)

 

 

 

 

 

 

• Verify flue and air lines in good condition

 

and sealed tight

 

 

 

 

 

-UP

• Check

system water

pressure/system

piping/expansion tank

 

 

 

 

START

• Check control settings

 

 

 

 

 

 

 

 

 

 

• Ignition and flame sense electrodes

ANNUAL

(sand

off

any deposits;

clean

and

• Perform

start-up

checkout

and

 

reposition)

 

 

 

 

 

 

 

• Wiring and connections

 

 

 

 

performance verification

per

Section

 

10 in the Knight Wall Mount Installation

 

and Operation Manual.

 

 

 

 

• Flame inspection (stable, uniform)

 

 

• Flame signal (at least 4 mA)

 

 

 

• Clean

the

heat

exchanger

if

flue

 

temperature is more than 54°F above

 

return water temperature.

 

 

 

If combustion or performance indicate need:

•Clean heat exchanger

•Remove and clean burner using compressed air only

•Clean the blower wheel

Owner maintenance

(see pages 6 - 8 for detailed instructions)

• Check boiler area

Daily

• Check pressure/temperature

 

 

gauge

 

 

 

• Check vent piping

 

• Check air piping

 

• Check air and vent termination

Monthly

screens

 

 

• Check relief valve

 

• Check condensate drain system

 

• Check air vents

 

 

Periodically

• Test low water cutoff (if used)

• Reset button (low water cutoff)

 

 

 

Every

• Check boiler piping (gas and

water) for leaks

6 months

• Operate relief valve

 

 

 

End

• Shut boiler down (unless boiler

of season

used for domestic hot water)

months

 

￿WARNING

Follow the maintenance procedures given throughout this manual. Failure to perform the service and maintenance or follow the directions in this manual could result in damage to the boiler or system, resulting in severe personal injury, death, or substantial property damage.

5

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Lochinvar 51 - 211 Maintenance schedule Service technician, Owner maintenance, See pages 6 8 for detailed instructions
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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.
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