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Lochinvar 51 Variable speed pump option, Model Grundfos, UP26-96 FC/VS IFC VS Stratos 1.25 3 x

Models: 51

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Lochinvar 51 Variable speed pump option, Model Grundfos, UP26-96 FC/VS IFC VS Stratos 1.25 3 x, Variable speed pump setup

Contents

Models 51 Contents Please read before proceeding When servicing boilerStainless steel heat exchanger Knight Wall Mount Boiler How it worksModels 51 Knight Wall Mount Boiler =B=R Rating RatingsCloset and alcove installations Installation must comply withDetermine boiler location Before locating the boiler, check1Closet Installation Minimum Required Clearances Vent and air piping Provide air openings to roomWall mounting location Prevent combustion air contaminationProducts to avoid When using an existing vent system to install a new boilerAreas likely to have contaminants When removing a boiler from existing common vent system Remove boiler from wood pallet Prepare boilerGas conversions Mounting to a concrete wall Mounting the boilerMounting to a metal studded wall Mounting to a wood studded wallDirect venting options Sidewall Vent General ventingDirect venting options Vertical Vent, Sidewall Air Direct venting options Vertical VentRequirements for installation in Canada Install vent and combustion air pipingInstalling vent and air piping PVC/CPVC Vent piping materialsAir inlet pipe materials PVC/CPVC air intake/vent connectionsApproved Stainless Steel Vent Manufacturers MakeBoiler Flue Stainless steel ventBoiler Boiler Flue Intake Air AdapterRemoving from existing vent Stainless steel air intake/vent connectionsVent and air system Vent, air piping and terminationModel Kit Number KIT30051 Air contamination Optional room airSidewall direct venting If using the alternate sidewall terminationVent/air termination sidewall Vent Size2AClearance to Gravity Air Inlets Prepare wall penetrations Alternate Field Supplied Option Prepare wall penetrationsTermination and fittings Multiple vent/air terminationsSidewall termination optional concentric vent Sidewall termination installationDescription and usage Sidewall termination optional concentric vent models 8Concentric Vent Dimensional DrawingMultiventing sidewall terminations 10Concentric Vent Sidewall AttachmentVent/air termination vertical Vertical direct venting2Vertical Terminations with Multiple Boilers Prepare roof penetrationsVertical termination optional concentric vent Vertical termination installationMinimum Combustion AIR Typical Multiventing vertical terminationsConcentric Venting Arrangement Alternate vertical concentric ventingAIR Inlet Flue Exhaust Seal CAP Existing Flue Outlet Existing vent as a chaseHydronic piping Near boiler piping components Circulator sizing Near boiler piping connectionsMinimum Pipe Pump Size Grundfos ModelArmstrong Variable speed pump option Variable speed pump setupModel Grundfos UP26-96 FC/VS IFC VS Stratos 1.25 3 x3Single Boiler Single Temperature Zoned with Circulators Number of Units 5Single Boiler Multiple Temperatures Multiple Boilers Multiple Temperatures Model 8Single Boiler Zoned with Valves Model 10Single Boiler Non-Zoned Primary/Secondary Piping Gas connections Connecting gas supply pipingPropane Gas Natural gasCheck inlet gas supply Natural Gas Pipe Capacity ChartLength of Pipe in Straight Feet for 1/2 PSI Gas Pressure Gas valve replacementInstallation must comply with Field wiringLine voltage connections Low voltage connectionsLouver proving switch Outdoor temperature sensorFlow switch ThermostatWiring of the cascade Alarm contactsSystem supply sensor Boiler management systemInstallation Condensate drain Condensate disposalStart-up Freeze protection when usedCheck/control water chemistry Fill and test water systemCheck for gas leaks Check thermostat circuits Clean/Inspect Trap AssemblyInspect/fill condensate system Inspect/check condensate lines and fittingsStart the boiler Final checks before starting the boilerIf boiler does not start correctly Check system and boiler2Operating Instructions Natural Gas Propane Set space heating operationConfiguration of the cascade Verify DHW modeSet domestic hot water DHW operation General Operating informationProtection features Boiler temperature regulation Cascade Outdoor reset operation, if usedOperation Display Sequence of operationInstaller Access modesUser 1Control Panel Knight wall mount boiler control moduleCall for Heat Information Right Select no Service technician Maintenance Maintenance and annual startupOwner maintenance Maintenance Check all boiler wiring Check ignition ground wiringCheck control settings Check expansion tankCleaning boiler heat exchanger Check flame signalReview with owner Oiled bearing circulatorsPC Interface Diagrams2Wiring Diagram Page Page