Manuals / Lochinvar / Household Appliance / Water Heater

Lochinvar 999 - 750, CF-CH(E)-i&s-08, 399 Hydronic Heating Boilers and Domestic Water Heaters

Models: 399 CF-CH(E)-i&s-08 999 - 750

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Hydronic Heating Boilers and Domestic Water Heaters

WIRING BOX CONNECTIONS - WIRING DIAGRAM B 399,999 - 750,000 BTU/HR MODELS

Page 66

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Lochinvar 999 - 750, CF-CH(E)-i&s-08, 399 service manual Hydronic Heating Boilers and Domestic Water Heaters

Contents

WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance INSTALLATION AND SERVICE MANUALSave this manual for future reference Immediately call your gas supplier from aTable of Contents Table of ContentsHydronic Heating Boilers and Domestic Water Heaters Programming Temperature Control Quick Programming OverviewSpecial Instructions WarrantyGENERAL PRODUCT INFORMATION CodesSAFETY INFORMATION DANGER Carbon Monoxide poisoning may lead to deathHydronic Heating Boilers and Domestic Water Heaters PRODUCT IDENTIFICATION Front View Rear View FIG. 1 Front and Rear ViewInstallation and Service Manual Clearances from Combustible Construction INSTALLATIONLOCATING UNIT Right SideFREEZE PROTECTION Outdoor Boiler InstallationLocation Pump OperationFreeze Protection for a Heating Boiler System if required INSTALLATION ContinuedShut-Down and Draining COMBUSTION AND VENTILATION AIR1. Outside Combustion Air, No Ducts FIG. 5 Moving Air Filter/Bracket Assembly from Rear of Unit to SideCombustion Air Options FIG. 4 Metal Panel Covering Side Combustion Air InletFIG. 7 Outside Combustion Air - Two Openings 2. Outside Combustion Air, Using Ducts3. Outside Combustion Air - Using Direct Venting 4. Combustion Air from Interior SpaceGeneral Information VENTINGExhaust Fans Vertical Vent Termination Clearances and LocationFIG. 12 Vent Termination from Flat Roof 10’ or Less from Parapet Wall Sidewall Vent Termination Clearances and LocationFIG. 11 Vent Termination from Peaked Roof More Than 10’ From Ridge INSTALLATION ContinuedSidewall Air Inlet Combustion Air Inlet PipingLength of Air Inlet Pipe FIG. 14 Sidewall Combustion Air InletFIG. 15 Air Inlet Cap for Sidewall Termination ContinuedVertical Rooftop Air Inlet FIG. 16 Roof Top Combustion Air InletVent System Options Combined Air Inlet PointsBarometric Damper Location Flue Outlet Piping 1. Conventional Negative Draft VentingNegative Draft INSTALLATION Continued2. Vertical DirectAire Venting Vertical Vent Termination Clearances and LocationInstallation and Service Manual FIG. 19 Air Inlet Cap for Sidewall Termination INSTALLATION Continued Vent KitsVenting of Flue Products Hydronic Heating Boilers and Domestic Water HeatersSidewall Venting Termination 3. Sidewall VentingSidewall Fan Sidewall Venting Without FanFIG. 22 Sidewall Vent Drain Tee InstallationVenting Guidelines INSTALLATION ContinuedInstallation and Service Manual Masonry Chimney Installation4. Horizontal DirectAire Venting Sidewall Vent Termination Clearances and LocationINSTALLATION Continued Vent Kits5. Direct Venting Hydronic Heating Boilers and Domestic Water HeatersDrain Tee Installation Vertical DV Venting TerminationInstallation and Service Manual Masonry Chimney InstallationHorizontal Vent Termination Clearances and Location Connecting the Air Inlet Pipe to the UnitHorizontal DV Venting Termination Flue Pipe MaterialsSealing Type-B Double-Wall Vent Pipe or Galvanized Vent Pipe FIG. 25 Moving Air Filter Assembly and DV Box AdapterAir Inlet Piping Materials Sealing PVC, CPVC, ABS, Dryer Vent, and Flex Duct Vent Pipe6 MAXIMUM 6. Outdoor Installation VentingMultiple Sidewall Direct Vent Installations Vertical Combustion Air Inlet ClearancesThe Outdoor Vent Cap Kit FIG. 27 Outdoor Vent Cap Installed on Rear of UnitOutdoor Vent/Air Inlet Location Installation and Service ManualGas Piping CONNECTING TO GAS SUPPLYConnecting Gas Piping to Unit Gas Pressure TestFIG. 29 Typical Boiler Gas Train Drawing Gas Train and ControlsFIG. 28 Gas Line Connection TABLE-JVenting of Combination Gas Valves Combination Gas ValvesChecking Gas Supply Pressure INSTALLATION ContinuedFIG. 30 Measuring Gas Supply Pressure at Combination Gas Valve Gas Manifold Pressure AdjustmentTABLE - L Multiple Unit Installations Gas Supply Pipe Sizing Installation and Service ManualRetain this cap for future use CONNECTING TO WATER SUPPLYInlet and Outlet Connections FIG. 31 Measuring Manifold Gas PressureRelief Valve CONNECTING TO ELECTRICAL SUPPLYWater Flow Switch Low Water CutoffGeneral Plumbing Rules BOILER SYSTEM PIPINGTABLE-N AMP Draw Data Water Connections Heating Boilers OnlyPump Installation and Maintenance Heat Exchanger Pressure Drop ChartCirculator Pump Specifications FIG. 34 Pressure Drop Chart 399,999 - 750,000Input LTV Valve Kit Btu/hr Low Temperature Return Water SystemsTable - O LTV Valve Kits 399,999 - 750,000VAL3048 990,000 - 2,070,000 VAL304710ºF TABLE-P System Temperature Rise Chart Based on Btu/hr InputRadiant Floor and Snow Melt Heating Systems 20ºFPlacing the Boiler in Operation Temperature/Pressure GaugeBoiler Flow Rate Boiler Bypass RequirementsFIG. 41 Installation with a Chilled Water System Installation with a Chilled Water SystemBoiler Operating Temperature Control Installation and Service ManualINSTALLATION Continued WATER TREATMENTTerminal Strip Connection Options Hydronic Heating Boilers and Domestic Water HeatersFigure 42C FOR YOUR SAFETY READ BEFORE OPERATINGOPERATION Figure 42BLIGHTING INSTRUCTIONS FIG. 43 Control Panel Cover FIG. 44 ON/OFF SwitchOPERATION Continued WHAT TO DO IF YOU SMELL GAS Do not try to light any applianceQuick Programming Overview Power UpPROGRAMMING TEMPERATURE CONTROL To Turn Off Gas To ApplianceTABLE-R View Menu Information Adjust Menu Setting DescriptionsTABLE-Q Adjust Menu Settings for Operating Modes Menu DescriptionIgnition Systems and Stages Adjust MenuFIG. 48 Adjust Menu Operating ModesPlacement of Sensors Access LevelsTemperature Control FIG. 49 User Access Level Dip Switch LocationFIG. 50 Graphic Symbols Graphic SymbolsSettings Staging LogicRemote Mounting of Sensors Programming For Mode 2, Water Heating OperationProgramming For Mode 3, Sequenced Operation TABLE-S Programming WorksheetHOT SURFACE IGNITION SYSTEM Error and Warning MessagesTABLE-T Remote Wire Connection Hot Surface Igniter and Ignition Control ModuleIgnition Control Diagnostic Codes Diagnostic Status IndicationAccess to Internal Control Panel Removing the Control PanelPump Delay Timing OPERATION AND DIAGNOSTIC LIGHTSTime Delay Between Stages 1&2 and 3&4 Status LED Diagnostic CodesDOMESTIC WATER HEATERS Required Temperature RiseTemperature Rise Chart Water Velocity ControlTABLE-X Pipe Size RequirementsCirculating Pump FIG. 54 Typical Water Heater Piping with Storage TankDOMESTIC WATER Potable Hot Water Temperature Control SettingsDomestic Water Temperatures HEATERS ContinuedThermal Expansion High Water Temperature Limit ControlOptional Relief Valve Location of Cold Water Supply Piping ConnectionsBurner Removal and Cleaning CLEANING AND MAINTENANCEFlue Gas Passageways Cleaning Procedures Appliance AreaCombustion Air Fan Adjustment Heat Exchanger CleaningFan Cleaning ElectricalFIG. 56 Adjusting Air Shutter 399,999 - 750,000 Btu/hr Models CLEANING AND MAINTENANCE ContinuedAdjusting Differential Air Pressure FIG. 58 Adjusting Air Shutter 990,000 - 2,070,000 Btu/hr ModelsSEQUENCE OF OPERATION POWER SUPPLYON/OFF ROCKER SWITCH Servicing Hot Surface Igniter and Ignition ModuleELECTRONIC TEMPERATURE CONTROLLER MANUAL RESET HIGH-LIMIT THERMOSTATSAFETY DEVICE TERMINALS PRESSURE SWITCHPOST-PURGE IGNITIONHEAT TRANSFER PROCESS IDLEStep TROUBLESHOOTING GUIDE 399,999 - 750,000 Btu/hr ModelsHydronic Heating Boilers and Domestic Water Heaters StepStep TROUBLESHOOTING GUIDE 990,000 - 2,070,000 Btu/hr ModelsInstallation and Service Manual StepDomestic Water Heaters WIRING BOX CONNECTIONS - WIRINGDIAGRAM A Hydronic Heating BoilersInstallation and Service Manual LADDER DIAGRAM 399,999 - 750,000 BTU/HR MODELSLBL20008 REV A SCHEMATIC DIAGRAMHydronic Heating Boilers and Domestic Water Heaters Installation and Service Manual Hydronic Heating Boilers and Domestic Water Heaters LADDER DIAGRAM 990,000 - 2,070,000 BTU/HR MODELSLBL20012 REV A 120 VAC 15AMPSCONNECTOR WIRING DIAGRAMMODELS CONNECTION DIAGRAM AHydronic Heating Boilers and Domestic Water Heaters DIAGRAM B CONNECTIONS 990,000 - 2,070,000 BTU/HR MODELS CONTINUEDCF-CHE-i&s-08 1/09