Manuals / Lochinvar / Household Appliance / Boiler

Lochinvar 801, 400 operation manual KBXII-I-O Rev D

Models: 400 801

1 80

Download 80 pages 32.08 Kb

Page 80

Revision Notes: Revision A (ECO #C05747) initial release. Reﬂects the new model numbers for the Knight XL upgrade.

Revision B (ECO #C06188) reﬂects changes made to FIG. 6-10 (ECR #R03474) remove ghost pipe, changes made to FIG.’s 6-7, 6-9, and 6-11 (R03563) change the direction of the arrows, and edits made to the ladder and wiring diagrams (ECO #C06158).

Revision C (ECO #C06234) reﬂects changes made to the Service Reminder feature.

Revision D (ECO #C07981) reﬂects the layout in InDesign, edits made ECR04077 - combustible water pipes change from 1” to a 1/4”, changes made to Table 3B on page 20, ECR03940 - addition of the rope gasket warning, ECR03740 - changes made to FIG’s 7-1 thru 7-4 pages 46 and 47, changes made to Table 3A on page 18, ECR03727 - 400 - 601 reference applied incorrectly on pages 15 and 16, add O-temp switch.

KBXII-I-O Rev D

5/11

Image 80

Lochinvar 801, 400 operation manual KBXII-I-O Rev D

Contents

Models 400 Contents When servicing boiler Please read before proceedingKnight XL How it works Stainless steel heat exchangerModel Models 601 Ratings Knight XL Boiler =B=R RatingInstallation must comply with Closet and alcove installationsDetermine boiler location Before locating the boiler, checkAlcove Installation Residential garage installation Provide air openings to roomVent and air piping Flooring and foundationAreas likely to have contaminants When using an existing vent system to install a new boilerProducts to avoid When removing a boiler from existing common vent system Gas conversions Model Prepare boilerRemove boiler from wood pallet Models 601 Leveling the boilerGeneral venting Direct venting options Vertical Vent Install vent and combustion air piping Requirements for installation in CanadaInstalling vent or air piping General ventingPVC/CPVC air intake/vent connections Vent Pipe, and FittingsAir inlet pipe materials Stainless steel ventFasNSeal Saf-T Vent Stainless Steel Air Intake/vent ConnectionsOptional room air Removing from existing ventModel Description Kit Number Air contaminationIf using the alternate sidewall termination Sidewall direct ventingVent/air termination sidewall Determine location3AClearance to Gravity Air Inlets Prepare wall penetrations Bird Screen TypicalTermination and ﬁttings Prepare wall penetrations Alternate Field Supplied OptionMultiple vent/air terminations Sidewall termination installation Description and usage9Concentric Vent Dimensional Drawing Models 400 11Concentric Vent Sidewall Attachment Multiventing sidewall terminationsVertical direct venting Vent/air termination verticalPrepare roof penetrations Multiple vent/air terminationsVertical termination installation 4Concentric Vertical TerminationMultiventing vertical terminations Mm see -9,Alternate vertical concentric venting Concentric Venting ArrangementExisting vent as a chase 10Existing Vent as a ChaseHydronic piping System water piping methods General piping informationLow water cutoff device Chilled water systemHydronic piping Flow switch adjustment Near boiler piping componentsVariable speed pump option Near boiler piping connectionsCirculator sizing 20F 25F 30F 35F Model Head FeetPressure 7Single Boiler Multiple Temperatures 8Single Boiler Primary/Secondary Piping Number of Units Manifold Pipe Sizes in Inches mm10Multiple Boilers Primary/Secondary Piping Loop Connecting gas supply piping Gas connectionsNatural gas Propane GasCheck inlet gas supply InchesGas valve replacement Gas PressureField wiring Installation must comply withLine voltage connections Low voltage connectionsOutdoor temperature sensor Louver proving switchHigh gas pressure switch Low gas pressure switchFlow switch Alarm contactsWiring of the cascade ModbusManual Condensate disposal Condensate drainFreeze protection when used Start-upCheck/control water chemistry Fill and test water systemCheck for gas leaks Check thermostat circuitsInspect/ﬁll condensate system Inspect/check condensate lines and ﬁttingsFinal checks before starting the boiler Start the boilerIf boiler does not start correctly Check system and boilerFor Your Safety Read Before Operating Set space heating operation Natural Gas PropaneConﬁguration of the cascade Verify DHW modeSet domestic hot water DHW operation Operating information GeneralProtection features Boiler temperature regulation Outdoor reset operation, if used CascadeSequence of operation Operation DisplayStandby, ready to start a new cycle Knight XL control module Navigation DialUser Access modesInstaller Call for Heat Information Dial Function Instructions Maintenance Maintenance and annual startupService technician Maintenance Address reported problemsClean condensate trap Check all piping for leaks Inspect boiler areaFlue vent system and air piping Check water systemCheck expansion tank Check boiler relief valveCheck ignition ground wiring Check all boiler wiringCheck control settings Inspect ignition and ﬂame sense electrodesCheck ﬂame signal Cleaning boiler heat exchangerReview with owner Model Kit Part Component Number DescriptionDiagrams LOW Voltage 120 VAC High Voltage2Ladder Diagram Page KBXII-I-O Rev D