Manuals / Lochinvar / Household Appliance / Plumbing Product

Lochinvar 502 - 2072, 402 - 2072 service manual Display panel menu access, Service continued

Models: 502 - 2072 402 - 2072

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Page 11

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

1 Service (continued)

Display panel menu access

Table 1B_Use this procedure to access menus from the display panel

Note: Not all menu listings shown above are available on water heaters.

Page 11

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Lochinvar 502 - 2072, 402 - 2072 service manual Display panel menu access, Service continued

Contents

CF,H,PX-SERRev A Copper-finII/IIE Boiler, Water HeaterModels 402 - Boiler & Water Heater Models Pool HeaterContents Hazard definitionsDANGER Appliance operation When servicing appliancePlease read before proceeding Handling ceramic fiber materialsTroubleshooting What is in this manual?Service MaintenanceThe Copper-findisplay 1 Service1 Service Control inputs1 Service continued Control outputsHow the appliance operates General Operation1 Service InstallerDISPLAY Sequence of operationOPERATION DISPLAY 1 ServiceSequence of operation OPERATION1 Service continued Display panel menu accessCascade Display panel parameter access1 Service 1 Service continued Parameter table1 Service Parameter table continuedA General Viewable and changeable control parametersB Temperature settings boiler only D Functions 1 ServiceC Data logging E DHW settings Outdoor air reset operation 1 ServiceF Outdoor air reset boiler only Figure 1-1 OutdoorAir Reset CurveG Anti-cycling H Control modes 1 ServiceH2 Enable input active / inactive H7 ModBus timeoutI Cascade J Building Management System BMSK Circulation pumps 1 ServiceL Service Notification see the following pages for instructions 2 Maintenance Maintenance and annual startupService technician Owner maintenanceInspect appliance interior 2 MaintenanceAddress reported problems Inspect appliance areaInspect/replace hot surface igniters 2 Maintenance continuedCheck relief valve Inspect/replace hot surface igniterPerform start-upand checks Check all wiringCheck control settings Inspect and clean burner2 Maintenance continued Checking combustion air pressureAll models Adjusting combustion air pressureChecking manifold gas pressure 2 MaintenanceRegulator Pressure Less Front Chamber Pressure 2 Maintenance continuedTABLE 2B Net Manifold Pressure 2 Maintenance Inspect and clean the heat exchangerReview with owner Oiled bearing circulatorsCheck the following 3 TroubleshootingBefore troubleshooting Check control module fuses3 Troubleshooting FAULTCAUSE CORRECTIVE ACTIONChecking temperature sensors 3 Troubleshooting continuedCAUSE 3 TroubleshootingFAULT Table 3D Troubleshooting Chart - Noisy SystemFlow Switch DESCRIPTION3 Troubleshooting continued FAULTGas Connections Section in the Installation and 3 TroubleshootingFAULT ErrorGas Connections Section of the Installation and 3 Troubleshooting continuedFAULT Auto Resetthe RESET button on 3 TroubleshootingFAULT Manual ResetRESET button on the 3 Troubleshooting continuedFAULT reset immediately onceRESET button on the 3 TroubleshootingFAULT reset immediately oncereset once the condition 3 Troubleshooting continuedFAULT Service BlkNo Error Stored 3 TroubleshootingFAULT Watch Dog ErrorPage CF,H,PX-SERRev A 6/11