Lochinvar 402, 2072 service manual Service, Copper-fin display

Page 5

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

1 Service

The Copper-fin display

• Hold 5 seconds to enter code

 

• 2-Line / 16 character LCD display

• Press to turn heater off or back on

Input Mode (Menu Mode)

 

• Press to move up one level

 

• Backlit LCD

• Press to select a menu item

in Menu Mode or to exit

 

 

 

 

 

 

• Press after parameter programming

Menu Mode

 

 

 

 

 

 

to store parameter data

 

 

 

 

 

 

 

 

 

• Press to exit Service Mode

MENU/EXIT

 

 

DISPLAY SCREEN

ENTER/RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UPDOWN

•Press to change boiler water temperature and/or tank water temperature set point during normal operation

•Press to change displayed data values in Menu Mode

•Press to navigate through menu listing in Menu Mode

PREVIOUS NEXT

•Press to toggle display during normal operation to show outlet and return temperatures, fan speed, flame signal, etc.

•Press to toggle between digits when entering access code or between hour, minutes, etc., when entering date and time

•Press and hold both to enter Service Mode

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Contents Copper-fin II/IIE Boiler and Water Heater Models 402 Contents Niosh stated First Aid Please read before proceedingHandling ceramic fiber materials Service What is in this manual?Maintenance TroubleshootingCopper-fin display ServiceControl inputs Control outputs How the appliance operates General OperationHow the control module operates Sequence of operationOUT 123.8F129 Sequence of operationHTR Postpurge Display panel menu access Display panel parameter access Only Parameter table a Boiler OperationAnti-cycle Time Anti Cycl Tm Parameter table B Water Heater Operation BMS Service Notification Pumps Viewable and changeable control parameters Temperature settingsFunctions Data loggingDHW settings Outdoor air reset boiler only Anti-cycling Control modes Cascade Building Management System BMSCirculation pumps Service NotificationService technician Maintenance Maintenance and annual startupOwner maintenance See the User’s Information Manual for instructionsMaintenance Inspect/replace hot surface igniter Check relief valveInspect/replace hot surface igniters Check control settings Check all wiringInspect and clean burner Perform start-up and checks2Adjusting air shutter 399,999 750,000 Btu/ hr Models Checking manifold gas pressure Adjusting combustion air pressurePressure Regulator Chamber Adjustment Manifold Oiled bearing circulators Inspect and clean the heat exchangerReview with owner Before troubleshooting TroubleshootingCheck control module fuses Check the followingNo Burner No DisplayOperation Unit DoesTemperature Resistance Checking temperature sensorsResistance Temperature No Pump NoisyOperation Boiler Pump System Pump DHW PumpAnti-cycling Flow SwitchFlame Sequence No Flame Ign ErrorHSI Current Low Flame CKTNo Flame Auto ResetRunning High LimitInlet Low Manual ResetSensor Open Sensor ShortedTank Open Louver ProvingAPS Open APS ClosedParameters Progr Temp O/ShootRem Ctrl Flt Watch Dog Error Service BlkNo 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.
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