Lochinvar 1.3, 1.5 service manual Main Screen

Page 16

Service Manual

1 Service

Main Screen:

The Main Screen allows navigation to eight (8) additional screens which are used to set temperatures, operating conditions, and monitor water heater operation. These screens are as follows:

•Setup - Allows access to five (5) other screens for the adjustment of the control parameters.

•Cascade - Shows the status of multiple heaters connected together in a cascade arrangement.

•Temps - Shows the temperatures measured by the individual sensors connected to the heater.

•Burners - Shows the status of the two (2) independent burner systems used in the heater.

•Building - Shows the information from a Building Integration System using Modbus Protocols.

•Graphs - Allows the selection of items to be graphed on a chart.

•History - Shows the operating and fault history of the two (2) control modules.

•Service Mode - Allows the installer to control the fan speed of the individual control modules for the purposes of combustion analysis. Service Mode will override all other heat demands, however, all safeties will continue to function.

Navigation to the Main Screen can be accomplished by pressing the MAIN button at the bottom of the page.

Reference pages 17 - 31 of this manual for more information regarding the eight (8) accessible screens.

Time - The time is displayed in the upper right-hand corner of the display. It is displayed in a 24 hour format. Reference the night setback parameters on page 21 for information regarding adjusting the date and time.

Status button - Pressing this button displays the Status Screen. This screen shows the current status of the Armor X2 water heater. Reference pages 12 - 13 for more information regarding this screen.

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Contents Models 1.0, 1.3, Contents Handling ceramic fiber materials Niosh stated First AidMaintenance ServiceTroubleshooting Armor X2 display Control inputs Primary Smart Control ModuleSecondary Smart Touch Control Module Primary Control outputsHow the water heater operates General OperationSequence of operation Sequence of operation Sequence of operationThis table lists the parameters and where to access them Parameter tableBMS Viewable and changeable control parameters Status Screen Service Details Screen Service Main Screen Setup Screen Service/Setup Parameters Screen Service Set Point Parameters Screen Night Setback Parameters Screen Cascade Parameters Screen Cascade Operation10Vdc 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 Address reported problems Clean condensate trapInspect water heater area Inspect water heater interiorCheck water system Flue vent system and air pipingCheck expansion tank Check water heater relief valve Check ignition ground wiring Check all water heater wiringCheck control settings Check flame signalCheck Delta T Cleaning water heater heat exchangerOiled bearing circulators Troubleshooting Alarm ScreenCheck the following Before troubleshootingCheck control module fuses Troubleshooting Checking temperature sensors Temperature ResistanceFault Cause Corrective Action Flow Switch CondensateDrain Blocked Flame outFlame Lost Light cont’dWhile Running Cont’d Manual ResetHigh Limit Automatic Reset High Limit / HEXTemp SW Blower RPM’sLouver Proving Switch Too HighSensor Open Sensor ShortedResets Try Later Air Flow TooLow Flap ValveInternal Fault No Error StoredWriting to MemosCombustion Analysis Procedure Gas Valve AdjustmentOr Obstruction Gas Supply PressureModel Gas valve adjustment procedureModels 1.3
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