2 Prepare boiler

Model 501

1.Remove the top access cover from the unit (no tools required for removal).

2.Turn the adjustment screw on the gas valve clockwise until it stops. Then turn the adjustment screw counterclockwise four and three quarter (4 3/4) turns (see FIG. 2-3).

3.Use a combustion analyzer to verify CO2 is within the range of 9.6 – 10.5%. If not, adjust the screw counterclockwise

incrementally to raise CO2 and clockwise to lower CO2 (FIG. 2-3).

4.After adjustment is complete, attach the propane conversion label (in the conversion kit bag) next to the boiler rating plate. Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.

5.Replace the top access cover.

￿WARNING After converting to LP, check combustion per the Start-up procedure in Section 10

of this manual. Failure to check and verify combustion could result in severe personal injury, death, or substantial property damage.

Figure 2-3Gas Valve Adjustment - Model 501

ALLEN WRENCH

ADJUSTMENT SCREW

Models 601 - 801

1.Remove the top access cover from the unit (no tools required for removal).

2.Remove the cover on top of the gas valve (FIG. 2-4).

3.Turn the adjustment screw on top of the gas valve clockwise one and three quarter (1 3/4) turns on the 601 Model, one and a half (1 1/2) turns on the 701 Model, and one turn on the 801 Model (see FIG. 2-4).

4.Use a combustion analyzer to verify CO2 is within the range of 9.6 – 10.5%. If not, adjust the screw counterclockwise

incrementally to raise CO2 and clockwise to lower CO2 (FIG. 2-4).

5.After adjustment is complete, attach the propane conversion label (in the conversion kit bag) next to the boiler rating plate. Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.

6.Replace the gas valve cover along with the top access cover.

Installation & Operation Manual

￿ WARNING

After converting to LP, check combustion

per the Start-up procedure in Section

 

10 of this manual. Failure to check and

 

verify combustion could result in severe

 

personal injury, death, or substantial

 

property damage.

Figure 2-4Gas Valve Adjustment - Models 601 - 801

COVER

ALLEN WRENCH

ADJUSTMENT SCREW

Leveling the boiler

1.Set the boiler in place and check level.

a)Adjust legs if necessary to level boiler, see FIG. 2-5 below.

Figure 2-5Leveling Legs on the Boiler

SCREWDRIVER

SLOT

LOWER

RAISE

14

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Lochinvar 801, 400 operation manual Models 601, Leveling the boiler
Page 13 Page 15

400, 801 specifications

The Lochinvar 801,400 is a cutting-edge solution in the realm of high-efficiency commercial water heating. This model represents a significant advancement in the design and functionality of water heaters, catering primarily to the demands of large-scale facilities like hotels, hospitals, and large industrial operations.

One of the standout features of the Lochinvar 801,400 is its impressive heating capacity, which can produce up to 801,400 BTUs, making it suitable for high-demand applications. This output is crucial for establishments that require a consistent supply of hot water, such as commercial kitchens and laundry facilities. The robust design ensures that it can handle peak demand periods without compromising performance.

Another significant aspect is the innovative use of advanced technology in its operation. The Lochinvar 801,400 integrates smart controls that enhance its efficiency and ease of operation. These controls allow for precise monitoring and adjustment of water temperatures, ensuring that the system operates within optimal parameters while maximizing energy savings. The intelligent monitoring system can provide real-time updates, making it easier for facility managers to keep track of performance and address maintenance needs proactively.

The construction of the Lochinvar 801,400 incorporates durable materials that not only enhance the longevity of the unit but also offer resistance to corrosion and wear. This durability translates into lower maintenance costs and an extended lifespan for the unit, making it a worthwhile investment for businesses.

Moreover, the Lochinvar 801,400 is designed with energy efficiency in mind. It boasts a high thermal efficiency rating, which reduces operational costs and minimizes the carbon footprint of heating operations. This efficiency is critical in today’s environmentally conscious market, where businesses are seeking to reduce their energy consumption and comply with strict regulations.

The design of the Lochinvar 801,400 also prioritizes safety, featuring innovative safety controls and fail-safes that protect both the unit and the users.

In summary, the Lochinvar 801,400 offers a combination of high capacity, advanced technology, durability, and energy efficiency, making it an excellent choice for commercial water heating solutions. As industries continue to evolve, the demand for reliable and efficient water heating solutions like the Lochinvar 801,400 will only increase.
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