User’s Information Manual

2 Maintenance schedule

Service technician

(see the Knight Boiler 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 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

 

• Check pressure/temperature

Daily

gauge

 

 

• Check vent piping

 

• Check air piping

Monthly

• Check air and vent termination

 

 

screens

 

• Check relief valve

 

• Check condensate drain system

 

• Check air vents

 

 

Periodically

• Test low water cutoff (if used)

 

• Reset button (low water cutoff)

 

 

 

• Check boiler piping (gas and

Every

water) for leaks

• Operate relief valve

6 months

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 81 - 286 manual Maintenance schedule Service technician, General
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81 - 286 specifications

Lochinvar 81 - 286 is a state-of-the-art boiler recognized for its efficiency and reliability in both residential and commercial applications. This high-performance heating solution is designed to meet the diverse needs of users while adhering to modern environmental standards.

One of the standout features of the Lochinvar 81 - 286 is its advanced condensing technology. This allows the unit to harness more heat from the combustion gases, significantly boosting its thermal efficiency. With an impressive efficiency rating of over 95%, users can expect lower energy bills and reduced carbon emissions, making this boiler an environmentally friendly choice.

The Lochinvar 81 - 286 incorporates a robust stainless steel heat exchanger that guarantees durability and longevity. This corrosion-resistant material not only prolongs the unit's life but also ensures consistent performance over time. Additionally, the heat exchanger’s design facilitates optimal heat transfer, further enhancing the boiler's efficiency.

In terms of control, the Lochinvar 81 - 286 features a user-friendly control interface that simplifies operation. The boiler is equipped with advanced modulation capabilities, allowing it to adjust its output based on real-time heating demands. This responsiveness reduces energy waste and optimizes comfort levels within the space it serves.

The boiler also supports a variety of installation configurations, providing flexibility for different building layouts. Its compact design allows for easy installation in restricted spaces, while versatile venting options facilitate integration into various systems.

Safety is a paramount consideration in the design of the Lochinvar 81 - 286. The unit comes with integrated safety features such as a built-in diagnostic system that alerts users to any potential issues before they escalate. This proactive technology helps in maintaining seamless operation and reducing downtime.

Finally, the Lochinvar 81 - 286 is compliant with the latest regulations and industry standards, ensuring that it meets the expectations of both consumers and environmental agencies. With its impressive combination of efficiency, durability, and advanced technology, the Lochinvar 81 - 286 stands out as a top choice for anyone seeking a high-performance heating solution. This boiler not only addresses the immediate needs of heating but also supports long-term sustainability initiatives, proving to be a wise investment for the future.
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