Installation & Operation Manual

12 Maintenance Maintenance and annual startup

Table 12A Service and Maintenance Schedules

Service technician

(see the following pages for instructions)

 

General:

 

 

 

 

 

• Address reported problems

 

 

• Inspect interior; clean and vacuum if

 

necessary;

 

 

 

 

• Clean condensate trap and fill with fresh

 

water

 

 

 

 

 

• Check for leaks (water, gas, flue,

 

condensate)

 

 

 

UP

• Verify flue and air lines in good condition

and sealed tight

 

 

-

• Check

system water pressure/system

START

piping/expansion tank

 

 

 

 

• Check control settings

 

ANNUAL

• Check ignition and flame sense electrodes

(sand

off

any

deposits;

clean

and reposition)

 

 

• Check wiring and connections

 

 

• Perform

start-up

checkout

and

 

performance verification per Section 10

 

of this manual.

 

 

 

• Flame inspection (stable, uniform)

 

 

• Flame signal (at least 10 microamps at

 

high fire)

 

 

 

 

• Clean

the

heat

exchanger if

flue

 

temperature is more than 54°F above

 

return water temperature.

 

 

• Check Delta T (Temperature Rise)

 

If combustion or performance indicate need:

Clean heat exchanger

Remove and clean burner using compressed air only

Clean the blower wheel

Owner maintenance

Daily

• Check water heater area

 

 

• 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 automatic air vents

 

• Check Delta T (Temperature

 

Rise)

Every

• Check water heater piping (gas

6 months

and water) for leaks

 

• Operate relief valve

67

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Lochinvar 151 operation manual Maintenance Maintenance and annual startup, Service technician, Owner maintenance

151 specifications

Lochinvar 151,286 is a notable model in the realm of commercial water heating solutions, designed primarily for large-scale applications. This model incorporates advanced technologies and features that set it apart in terms of efficiency, usability, and reliability.

One of the hallmark features of Lochinvar 151,286 is its high-efficiency system that leverages condensing technology. This technology enables the unit to extract additional heat from exhaust gases, allowing it to operate at an impressive annual fuel utilization efficiency (AFUE) rating. This not only reduces energy consumption, but it also significantly lowers operational costs.

The Lochinvar 151,286 is equipped with a robust stainless steel heat exchanger, which provides both durability and enhanced thermal efficiency. This design withstands the rigors of high-demand environments, making it ideal for restaurants, schools, hospitals, or any facility requiring consistent hot water supply. Its compact footprint allows it to be installed in tight spaces without sacrificing performance.

Another standout characteristic is its intelligent control system. The built-in touchscreen interface offers users an intuitive way to manage settings, monitor performance, and troubleshoot issues. This smart technology aids in simplifying maintenance and improves overall system reliability. The unit also features advanced safety protocols, including multiple sensors that monitor operation and provide alerts in case of irregular performance.

In terms of capacity, the Lochinvar 151,286 can deliver an impressive output, accommodating varying demands with ease. Its innovative modulation capabilities allow the unit to adjust its heating output based on real-time hot water needs, ensuring unmatched comfort and efficiency.

Supporting the model’s performance are versatile connectivity options. Lochinvar 151,286 can integrate seamlessly with building management systems, allowing facility managers to monitor and control heating processes remotely. This level of connectivity not only enhances control but also supports energy-saving strategies across the facility.

In conclusion, Lochinvar 151,286 stands out as a premium choice for commercial water heating needs. With its high-efficiency ratings, durable construction, intelligent control system, impressive capacity, and versatile connectivity, it ensures that hot water is delivered reliably and efficiently, meeting the demands of modern businesses while reducing energy costs. This combination of technology and design makes it an essential component for any large-scale facility focused on performance and sustainability.