Service Manual

3Troubleshooting

Table 3F (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Boiler Interface

FAULT

DESCRIPTION

CORRECTIVE ACTION

Temp O/Shoot

 

• Verify that the boiler pump is set to the proper speed

(continued)

 

or that the boiler pump is the proper size. Reference

(will require a manual

 

Section 6 - Hydronic Piping of the Knight Wall Mount

reset once the condition

Outlet water temperature has exceeded the

Installation and Operation Manual for boiler pump

has been corrected. Press

maximum outlet water temperature.

specifications.

 

the RESET button on the

 

 

 

SMART SYSTEM display

 

• Replace the main control board.

 

to reset.)

 

 

 

 

 

 

 

 

 

• Check set point of the external control.

 

Rem Ctrl Flt

External control is cycling too often.

• Check the wiring between the external control and the

unit.

 

 

 

 

 

 

• Replace the control.

 

 

 

 

 

Parameters

 

 

 

Progr

 

 

 

(will require a manual

After downloading parameters from a laptop,

• Press the ENTER/RESET button on

the SMART

reset once the condition

SYSTEM display panel.

 

the main control board must be reset.

 

 

 

has been corrected. Press

 

 

 

the RESET button on the

 

 

 

SMART SYSTEM display

 

 

 

to reset.)

 

 

 

 

 

 

 

 

• Check the wiring connections to switch. Wires should

 

 

be connected to the common and normally closed

 

 

terminals.

 

 

 

• Air intake lengths exceed the maximum allowed

 

 

lengths. Refer to Section 3 - General Venting of the

 

 

Knight Wall Mount Installation and Operation Manual

APS

 

for proper lengths.

 

 

 

 

Open

 

• Check for obstruction or blockage

in the air

(will require a manual

 

intake pipes or at terminations.

 

reset once the condition

Air pressure switch contacts are open.

• Check reference hoses connected to the air pressure

has been corrected. Press

 

the RESET button on the

 

switch for blockage or obstruction.

 

SMART SYSTEM display

 

 

 

to reset.)

 

• Inspect the burner. Reference page 26 of this manual

 

 

for removal and cleaning procedures. Replace if

 

 

necessary.

 

 

 

• Inspect the heat exchanger. Reference page 27 of this

 

 

manual for removal and cleaning procedures.

 

 

Replace if necessary.

 

 

 

• Faulty air pressure switch. Replace switch.

 

 

 

 

38

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Image 38
Lochinvar 50-210 service manual Rem Ctrl Flt, Parameters Progr, Open
Page 37 Page 39

50-210 specifications

The Lochinvar 50-210 is a powerful and efficient boiler designed for residential and commercial heating applications. This model is a part of Lochinvar’s line of advanced heating solutions, known for their reliability, efficiency, and innovative technologies. The 50-210 offers a high thermal efficiency rating, ensuring that energy consumption is minimized while still providing excellent heating performance.

One of the standout features of the Lochinvar 50-210 boiler is its advanced control system. It is equipped with a user-friendly LCD display that allows easy access to system settings and real-time performance data. This technology enhances user experience, allowing for easy adjustments and monitoring, ensuring optimal performance based on specific heating needs.

The Lochinvar 50-210 is designed with a fully modulating burner, which means it can adjust its output to match the heating demand effectively. This feature not only provides superior comfort but also increases energy savings by preventing the boiler from running at full capacity when it's not necessary. Moreover, the modulating burner minimizes wear and tear, extending the lifespan of the unit.

In terms of safety, the Lochinvar 50-210 incorporates several features such as multiple temperature and pressure sensors, flame safeguard systems, and safety cut-off controls. These safeguard mechanisms ensure that the system operates safely and efficiently, providing peace of mind to users.

The construction of the Lochinvar 50-210 is robust, featuring high-grade stainless steel and a durable heat exchanger. This design helps resist corrosion, ensuring longevity and requiring minimal maintenance over the years. Additionally, its compact design allows for easier installation, making it suitable for various settings, even those with limited space.

Furthermore, the Lochinvar 50-210 operates quietly, which adds to its appeal for residential installations. Its environmental considerations are also noteworthy, with low emissions contributing to cleaner air quality.

Overall, the Lochinvar 50-210 is a sophisticated heating solution that blends efficiency, reliability, and advanced technology. With its user-friendly controls, modulating burner, safety features, and durable construction, it meets the heating demands of modern homes and commercial spaces, making it a top choice for those seeking dependable boiler performance.
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