Lochinvar 2072, 402 service manual Display panel parameter access

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Copper-fin II/IIE Boiler and Water Heater Service Manual

1 Service

Display panel parameter access

Table 1C_This is a typical example of accessing a parameter, shown for parameter K2, SH pump delay

Cascade

BMS

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Contents Copper-fin II/IIE Boiler and Water Heater Models 402 Contents Please read before proceeding Handling ceramic fiber materialsNiosh stated First Aid What is in this manual? ServiceMaintenance TroubleshootingService Copper-fin displayControl inputs Control outputs General Operation How the appliance operatesHow the control module operates Sequence of operationSequence of operation OUT 123.8F129HTR Postpurge Display panel menu access Display panel parameter access Parameter table a Boiler Operation OnlyAnti-cycle Time Anti Cycl Tm Parameter table B Water Heater Operation BMS Service Notification Pumps Temperature settings Viewable and changeable control parametersData logging FunctionsDHW settings Outdoor air reset boiler only Anti-cycling Control modes Building Management System BMS CascadeService Notification Circulation pumpsMaintenance Maintenance and annual startup Service technicianOwner maintenance See the User’s Information Manual for instructionsMaintenance Check relief valve Inspect/replace hot surface ignitersInspect/replace hot surface igniter Check all wiring Check control settingsInspect and clean burner Perform start-up and checks2Adjusting air shutter 399,999 750,000 Btu/ hr Models Adjusting combustion air pressure Checking manifold gas pressurePressure Regulator Chamber Adjustment Manifold Inspect and clean the heat exchanger Review with ownerOiled bearing circulators Troubleshooting Before troubleshootingCheck control module fuses Check the followingNo Display No BurnerOperation Unit DoesChecking temperature sensors Resistance TemperatureTemperature Resistance Noisy No PumpOperation Boiler Pump System Pump DHW PumpFlow Switch Flame SequenceAnti-cycling Error No Flame IgnHSI Current Low Flame CKTAuto Reset No FlameRunning High LimitManual Reset Inlet LowSensor Open Sensor ShortedLouver Proving Tank OpenAPS Open APS ClosedTemp O/Shoot Rem Ctrl FltParameters Progr Service Blk Watch Dog ErrorNo Error Stored Low Voltage

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Manual 68 pages 54.37 Kb

402, 2072 specifications

Lochinvar 2072,502 is an innovative and robust water-heating solution tailored for residential and commercial applications. This model represents a significant advancement in energy efficiency and performance, catering to the dynamic heating requirements of modern buildings.

One of the standout features of Lochinvar 2072,502 is its advanced thermal efficiency. With an impressive AFUE (Annual Fuel Utilization Efficiency) rating, the unit delivers exceptional heat output while minimizing energy consumption. This not only reduces utility bills for homeowners and businesses but also supports sustainability efforts by decreasing carbon footprints.

The Lochinvar 2072,502 incorporates cutting-edge technologies that set it apart in the market. It is equipped with advanced control systems that allow users to precisely manage heating outputs, ensuring optimal comfort while conserving energy. The user-friendly digital display provides real-time data, allowing for efficient monitoring and control.

Another significant characteristic of the Lochinvar 2072,502 is its robust stainless-steel construction. This feature enhances the unit's durability and longevity, ensuring reliable performance even in challenging conditions. The high-quality materials also contribute to maintaining consistent water temperatures, which is essential for both residential and commercial heating needs.

The Lochinvar 2072,502 operates silently, making it ideal for installations in areas where noise is a concern. Its compact design allows for flexible installation options, fitting seamlessly into various spaces, whether it’s a utility room, basement, or outdoor area.

Furthermore, the unit supports multiple venting options, accommodating different building architectures and layouts. This versatility makes it an ideal choice for new builds and retrofitting existing systems.

Maintenance is streamlined with the Lochinvar 2072,502, as it features a self-diagnostics system that simplifies troubleshooting. Regular service check-ups are made easier with accessible components, allowing technicians to perform maintenance tasks efficiently.

In summary, the Lochinvar 2072,502 stands out for its high efficiency, advanced technology, durability, and flexible installation options. It is an ideal choice for those seeking a reliable and technologically advanced water-heating solution that meets the challenges of contemporary heating demands while promoting energy savings and environmental responsibility.