Lochinvar 50-210 service manual Models 50

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Service Manual

Models: 50 - 210

WARNING

This manual must only be used by a qualified heating installer / service technician. Read all instructions, including this manual and the

Knight Wall Mount Installation and Operation Manual, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage.

Save this manual for future reference.

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Contents Models 50 Contents Handling ceramic fiber materials Please read before proceedingNiosh stated First Aid When servicing boiler Service What is in this manual?Maintenance TroubleshootingNear boiler piping ServiceKnight wall mount display Control inputs Smart Control ModuleControl outputs How the boiler operates General OperationHow the control module operates Sequence of operationOUT 123.8F129 Sequence of operationBLR SH 41% Rate Display panel menu access Display panel parameter access Parameter table Temperature DataControl Circulation Service Viewable and changeable control parameters Temperature settingsOutdoor air reset DHW settingsData logging FunctionsMaximum SH set point Shift reset curveMinimum SH set point Outdoor air shutdownAnti-cycling SH controlling sensor Control modesSH source Boiler cascade addressCascade offset Service NotificationCirculation pumps Service technician Maintenance Maintenance and annual startupOwner maintenance Maintenance Check water system Flue vent system and air pipingCheck expansion tank Check boiler relief valveCheck all boiler wiring Check ignition ground wiringCheck control settings Inspect ignition and flame sense electrodesCleaning boiler heat exchanger Check flame signalReview with owner Oiled bearing circulatorsBefore troubleshooting TroubleshootingCheck control module fuses Check the followingNo Burner No DisplayOperation Unit Does NotTemperature Resistance Checking temperature sensorsNo Pump NoisyBoiler Pump System Pump DHW PumpFlow Switch/LWCOFlame SequenceNo Flame Ign Anti-cyclingRunning No FlameHigh Limit Auto ResetFan Low Fan Speed LowFan Speed High Fan HighSensor Open Sensor ShortedTemp O/Shoot Parameters Progr Rem Ctrl FltOpen Watch Dog Error Service BlkNo Error Stored Low 24 vacGas Valve Adjustment Combustion Analysis ProcedureOr Obstruction Gas Supply Pressure2Gas Valve Adjustment Gas valve adjustment procedurePage

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.