Lochinvar 399 - 800 manual Maintenance schedule Service technician, Owner maintenance

Page 5

User’s Information Manual

2Maintenance schedule

Service technician

(see the Knight XL Service Manual)

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)

Verify flue and air lines in good condition and sealed tight

•Check system water pressure/system piping/expansion tank

 

• Check control settings

 

UP

• Check ignition and flame sense

 

electrodes (sand off any deposits; clean

 

START-

and reposition)

 

 

• Check wiring and connections

 

 

 

 

• Perform start-up

checkout

and

ANNUAL

performance verification per Section 10

in the Knight XL Installation and

 

 

Operation 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 (30°C)

 

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

 

screens

Monthly

 

 

• 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

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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Contents Save this manual for future reference User’s Information Manual Models 399Contents Please read before proceeding Boiler service and maintenanceAreas likely to have contaminants Prevent combustion air contaminationProducts to avoid Owner maintenance Maintenance schedule Service technicianMaintenance schedule Condensate disposal 1Condensate TrapReset button low water cutoff Test low water cutoff if installedCheck Air Vents Operate relief valveOperating instructions For Your Safety Read Before OperatingKnight XL control module Smart System control moduleInstaller Access modesUser To save parameters and exit programmingParameter table Data logging Temperature settingsGeneral DHW settings Standby ServiceSet Point Met PrepurgeControl will display the actual fan motor RPM SYS ***.*F10V in **.Vdc DelayOperation of the cascade User’s Information Manual
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Manual 44 pages 18.95 Kb

399 - 800 specifications

Lochinvar is known for its cutting-edge water heating and boiler systems, and the Lochinvar 399 - 800 series is no exception. Specifically designed for commercial applications, this series brings advanced technology and engineering to the forefront of hydronic heating solutions.

One of the standout features of the Lochinvar 399 - 800 series is its impressive efficiency. Equipped with a condensing design, these boilers utilize high-efficiency stainless steel heat exchangers that allow for maximum heat transfer while minimizing energy consumption. With an impressive thermal efficiency of up to 96%, the Lochinvar 399 - 800 series stands out in its class, offering significant energy savings and reduced operational costs over time.

Another key characteristic of this series is its robust construction. Designed with longevity in mind, the boilers are built using high-quality materials that withstand extreme temperatures and pressures. The stainless steel design not only enhances durability but also combats corrosion, ensuring a long service life and reduced maintenance costs for users.

The Lochinvar 399 - 800 series also incorporates advanced control technologies. With its intuitive control system, users can easily adjust and monitor heating parameters, ensuring optimal performance and comfort. The integrated Control Wizard feature simplifies the setup process, allowing for quick commissioning and troubleshooting. Additionally, the optional Lochinvar SMART CONTROL technology provides remote monitoring capabilities, allowing operators to keep track of system performance from anywhere.

Versatility is another hallmark of the Lochinvar 399 - 800 series. These boilers come in a range of sizes, with the ability to modulate output based on real-time heating demands. This flexibility ensures that systems can operate efficiently under varying load conditions, making them ideal for schools, hospitals, and commercial buildings requiring consistent hot water availability.

In summary, the Lochinvar 399 - 800 series exemplifies modern boiler technology, combining energy efficiency, durability, advanced controls, and versatility. As businesses and facilities seek to enhance their heating systems, the Lochinvar 399 - 800 offers a reliable and forward-thinking solution for today's energy-conscious environment. Investing in this state-of-the-art boiler system not only improves comfort but also fosters sustainability and cost-effectiveness in commercial heating applications.