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)

 

 

 

 

 

 

• Verify flue and air lines in good condition

UP

and sealed tight

 

 

 

 

• Check

system water

pressure/system

 

START-

piping/expansion tank

 

 

 

• Check control settings

 

 

 

• Check

ignition

and

flame

sense

ANNUAL

electrodes (sand off any deposits; clean

• Perform start-up

checkout

and

 

and reposition)

 

 

 

 

 

• Check wiring and connections

 

 

 

performance verification per Section 10.

 

• 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 the Knight XL User’s Information Manual for

instructions)

• Check boiler area

Daily

 

 

 

• Check pressure/temperature

 

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

 

6 months

 

 

 

• Operate relief valve

 

 

 

 

End

•Shut boiler down (unless

boiler

of season

used for domestic hot water)

 

months

 

 

 

67

Page 67
Image 67
Lochinvar 399 operation manual Maintenance Maintenance and annual startup, Service technician, Owner maintenance

399 specifications

Lochinvar 999 - 750, CF-CH(E)-i&s-08,399 is a cutting-edge boiler designed for commercial heating applications. With its robust construction and high efficiency, this model stands out in the crowded market of heating solutions.

One of the main features of the Lochinvar 999 - 750 is its exceptional thermal efficiency rating. The unit incorporates advanced condensing technology that allows it to recover heat from flue gases, which helps in achieving efficiency levels of up to 99%. This efficiency not only reduces energy consumption but also lowers operational costs, making it an excellent investment for businesses looking to minimize their carbon footprint.

The boiler is designed to provide a powerful output of 750 kW, ensuring it meets the heating demands of larger buildings or commercial spaces. Its capacity makes it suitable for a range of applications including schools, hospitals, and industrial facilities. Moreover, the unit features a built-in cascading system that enables multiple boilers to be connected, enhancing system reliability and flexibility.

In terms of technology, the Lochinvar 999 - 750 is equipped with a user-friendly touchscreen interface. This innovative control system allows operators to monitor and adjust settings with ease, providing real-time performance data and alerts for maintenance needs. The intelligent controls optimize operation to match the heating load, further enhancing energy efficiency.

Safety is a top priority with this model. It is built with multiple safety features such as automatic shut-off valves, pressure relief valves, and flame monitoring systems, ensuring safe operation under various conditions. The unit also adheres to stringent industry standards and regulations, making it a reliable choice for commercial applications.

Furthermore, the Lochinvar 999 - 750 is designed with serviceability in mind. Its compact footprint and accessible components simplify maintenance, reducing downtime and associated costs. The unit also supports a variety of fuel sources, including natural gas, propane, and biodiesel, providing flexibility to meet different facility requirements.

In summary, the Lochinvar 999 - 750, CF-CH(E)-i&s-08,399 represents a blend of efficiency, reliability, and safety in commercial heating. Its advanced technologies and thoughtful design make it a powerful solution for various heating needs, making it an ideal choice for businesses aiming for excellence in energy management and operational efficiency.