Lochinvar 1 service manual Pumps Parameters Screen

Page 26

Service Manual

1 Service

Pumps Parameters Screen:

The Pumps Screen allows access to four (4) parameters. Those parameters are as follows:

•Boiler Pump Delay - Sets the length of time the boiler pumps will run after a system heat call has been satisfied. This parameter can only be changed by the installer. The time range for this parameter is 0 minutes to 40 minutes. The default time is 30 seconds.

•HW Pump Delay - Sets the length of time the Hot Water Generation pumps (if connected) will run after a Hot Water Generation call has been satisfied. This parameter can only be changed by the installer. The time range for this parameter is 0 minutes to 40 minutes. The default time is 30 seconds.

•System Pump Delay - Sets the length of time the system pump (if connected) will run after a system heat call has been satisfied. This parameter can only be changed by the installer. The time range for this parameter is 0 minutes to 40 minutes. the default time is 30 seconds.

•System Pump Mode - Sets the configuration of the system pump. The configuration selections are:

0.The system pump will be on continuously except during outdoor shutdown.

1.The system pump will be off.

2.The system pump will be on only during a system heat call.

This parameter can only be changed by the installer. The default configuration is 2: On only during a system heat call.

Reference page 18 for information regarding changing parameters.

Time - The time is displayed in the upper right-hand corner of the display. It is displayed in 24 hour format. Reference the night setback parameters on page 24 for information regarding adjusting the date and time.

Back button - Pressing this button will back the screen up to the previous screen.

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Contents
Models 1.0, 1.3, Contents Handling ceramic fiber materials Niosh stated First AidTroubleshooting ServiceMaintenance Service Near boiler pipingSync display Control inputs BoardSecondary Smart Touch Control Module Primary Control outputsHow the control module operates General OperationHow the boiler operates Sequence of operationSequence of operation Sequence of operation space heating and HWThis table lists the parameters and where to access them Parameter tableOutdoor Reset Viewable and changeable control parameters Status ScreenService Details Screen Service Main Screen Setup Screen Service/Setup Parameters Screen Service Set Point Parameters Screen Outdoor Reset Parameters Screen Service Night Setback Parameters Screen Cascade Parameters Screen Cascade OperationPumps Parameters Screen 10Vdc BMS Parameters Screen 10Vdc OperationService Cascade Screen Service Temps Screen Burners Screen Graph Select Screen History Screen Service Mode Screen Maintenance Maintenance and annual startup Inspect boiler area Address reported problemsClean condensate trap Inspect boiler interiorCheck expansion tank Check boiler relief valve Flue vent system and air pipingCheck water system Check control settings Check ignition ground wiringCheck all boiler wiring Inspect ignition and flame sense electrodesReview with owner Check flame signalCleaning boiler heat exchanger Test procedure Test low water flow conditionsTroubleshooting Alarm ScreenCheck control module fuses Before troubleshootingCheck the following Operation No DisplayNo Burner Unit DoesChecking temperature sensors Temperature ResistanceOperation Boiler Pump NoisyNo Pump System PumpDrain Blocked Flow SwitchCondensate Flame outWhile Running Light cont’dFlame Lost Troubleshooting Temp SW Automatic ResetHigh Limit / HEX Blower RPM’sSensor Open Louver Proving SwitchToo High Sensor ShortedLow Resets Try LaterAir Flow Too Flap ValveWriting to Internal FaultNo Error Stored MemosOr Obstruction Combustion Analysis ProcedureGas Valve Adjustment Gas Supply PressureModels 1.3 Gas valve adjustment procedureModel
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