Lochinvar 400 - 801 service manual Display panel parameter access

Page 14

Service Manual

1Service

Display panel parameter access

Table 1-3This is a typical example of accessing a parameter, shown for parameter Temperature Settings, MIN SH Setpt

BUTTON

SCREEN

OPERATION

DISPLAY

STATUS

This example shows how to access parameter Temperature Settings. The first display shown is at the beginning of the menu listings, after entering the installer access code.

 

 

Rotate the NAVIGATION dial counterclockwise until

 

 

 

the arrow (>) is next to TEMPERATURE SETTINGS.

 

 

 

 

 

 

 

Press the NAVIGATION dial one time.

 

 

 

 

 

 

 

Rotate the NAVIGATION dial counterclockwise until

 

 

 

the arrow (>) is next to MIN SETPT.

 

 

 

 

 

 

 

Press the NAVIGATION dial one time.

 

 

 

 

 

 

 

Rotate the NAVIGATION dial to the desired

 

 

 

temperature.

 

 

 

 

 

 

[SAVE]

Press the RIGHT SELECT soft key [SAVE] one time.

 

 

 

 

 

 

[EXIT]

Press the LEFT SELECT soft key [EXIT] if all desired

 

 

changes have been made.

 

 

 

 

 

 

 

 

 

[HOME]

Press the LEFT SELECT soft key [HOME].

 

 

 

 

 

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Contents Models 400 Contents Niosh stated First Aid Please read before proceedingHandling ceramic fiber materials When servicing boiler Maintenance What is in this manual?Service TroubleshootingService Near boiler pipingKnight XL display Navigation DialControl inputs LOW Voltage Connection BoardSmart Control Module Control outputsHow the boiler operates Access modesGeneral Operation How the control module operatesOperation Display From previous page Sequence of Operation Display panel menu access Button Screen Operation Display StatusDisplay panel parameter access Parameter table GeneralSettings Reset Notification Date and Time Temperature units C / FViewable and changeable control parameters Software VersionFunctions Temperature SettingsData Logging DHW Settings Outdoor Reset Anti-Cycling Controlling Sensor SH Ramp DelayControl modes BMS Thermostat Input Active / InactiveCascade Offset Minimum On/Off TimeCirculation pumps Service Notification Owner maintenance Maintenance Maintenance and annual startupService technician Maintenance Check expansion tank Flue vent system and air pipingCheck water system Check boiler relief valveCheck control settings Check ignition ground wiringCheck all boiler wiring Inspect ignition and flame sense electrodesReview with owner Check flame signalCleaning boiler heat exchanger Model Kit Part Component Number DescriptionCheck control module fuses TroubleshootingBefore troubleshooting Check the followingOperation No DisplayNo Burner Unit Does NotWire Color R/BK and Y Wire Color G and Y Checking temperature sensorsTemperature Resistance Resistance TemperatureBoiler Pump System Pump NoisyNo Pump DHW PumpSwitch/LWCO FlowAnti-cycling Flame Fail IgnHigh Limit Auto ResetFlame Sequence Fan LowFan High GV/RelayFail Fan Speed HighOutlet Temp Flue Temp HighDelta T High HighParameters Progr Service BlkRem Ctrl Flt Low 24 vac Watch Dog ErrorNo Error Stored Write EEPromOr Obstruction Combustion Analysis ProcedureGas Valve Adjustment Gas Supply PressureModels 601 Gas valve adjustment procedureModel Page