Manuals / Lochinvar / Household Appliance / Water Heater

Lochinvar 1 service manual Service, Near boiler piping

Models: 1

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Service Manual

1 Service

Near boiler piping

This piping reference is included to specify the Near Boiler Piping specific to the SYNC. This piping scheme is important for proper operation of the SMART TOUCH control module. See the SYNC Installation and Operation Manual for more detailed piping diagrams.

ISOLATION VALVE

(TYPICAL)

Y-STRAINER

(RECOMMENDED)

(TYPICAL)

HEAT EXCHANGER 1

BOILER PUMP

HEAT EXCHANGER 2

BOILER PUMP

CHECK VALVE

(TYPICAL)

DRAIN (TYPICAL)

SYSTEM SUPPLY SENSOR (NOTICE: A SYSTEM SUPPLY SENSOR MUST BE INSTALLED FOR PROPER BOILER OPERATION.)

SYSTEM PUMP

TEMPERATURE GAUGE

RELIEF VALVE

TO FLOOR DRAIN

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Image 5

Lochinvar 1 service manual Service, Near boiler piping

Contents

Models 1.0, 1.3, Contents Niosh stated First Aid Handling ceramic fiber materialsTroubleshooting ServiceMaintenance Near boiler piping ServiceSync display Board Control inputsControl outputs Secondary Smart Touch Control Module PrimaryHow the boiler operates General OperationHow the control module operates Sequence of operationSequence of operation space heating and HW Sequence of operationParameter table This table lists the parameters and where to access themOutdoor Reset Status Screen Viewable and changeable control parametersService 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 Operation Cascade Parameters ScreenPumps Parameters Screen 10Vdc Operation 10Vdc BMS Parameters ScreenService Cascade Screen Service Temps Screen Burners Screen Graph Select Screen History Screen Service Mode Screen Maintenance Maintenance and annual startup Clean condensate trap Address reported problemsInspect boiler area Inspect boiler interiorCheck expansion tank Check boiler relief valve Flue vent system and air pipingCheck water system Check all boiler wiring Check ignition ground wiringCheck control settings Inspect ignition and flame sense electrodesReview with owner Check flame signalCleaning boiler heat exchanger Test low water flow conditions Test procedureAlarm Screen TroubleshootingCheck control module fuses Before troubleshootingCheck the following No Burner No DisplayOperation Unit DoesTemperature Resistance Checking temperature sensorsNo Pump NoisyOperation Boiler Pump System PumpCondensate Flow SwitchDrain Blocked Flame outWhile Running Light cont’dFlame Lost Troubleshooting High Limit / HEX Automatic ResetTemp SW Blower RPM’sToo High Louver Proving SwitchSensor Open Sensor ShortedAir Flow Too Resets Try LaterLow Flap ValveNo Error Stored Internal FaultWriting to MemosGas Valve Adjustment Combustion Analysis ProcedureOr Obstruction Gas Supply PressureModels 1.3 Gas valve adjustment procedureModel