Manuals / Lochinvar / Household Appliance / Water Heater

Lochinvar 399, 999 - 750 DIAGRAM B CONNECTIONS 990,000 - 2,070,000, Btu/Hr Models Continued

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

1 72

Download 72 pages 15.81 Kb

Page 71

Image 71

Installation and

Service Manual

DIAGRAM B CONNECTIONS 990,000 - 2,070,000

BTU/HR MODELS (CONTINUED)

Page 71

Image 71

Lochinvar 399, 999 - 750, CF-CH(E)-i&s-08 service manual DIAGRAM B CONNECTIONS 990,000 - 2,070,000, Btu/Hr Models Continued

Contents

Immediately call your gas supplier from a INSTALLATION AND SERVICE MANUALSave this manual for future reference WHAT TO DO IF YOU SMELL GAS Do not try to light any applianceProgramming Temperature Control Quick Programming Overview Table of ContentsHydronic Heating Boilers and Domestic Water Heaters Table of ContentsCodes WarrantyGENERAL PRODUCT INFORMATION Special InstructionsHydronic Heating Boilers and Domestic Water Heaters SAFETY INFORMATIONDANGER Carbon Monoxide poisoning may lead to death Installation and Service Manual PRODUCT IDENTIFICATIONFront View Rear View FIG. 1 Front and Rear View Right Side INSTALLATIONLOCATING UNIT Clearances from Combustible ConstructionPump Operation Outdoor Boiler InstallationLocation FREEZE PROTECTIONCOMBUSTION AND VENTILATION AIR INSTALLATION ContinuedShut-Down and Draining Freeze Protection for a Heating Boiler System if requiredFIG. 4 Metal Panel Covering Side Combustion Air Inlet FIG. 5 Moving Air Filter/Bracket Assembly from Rear of Unit to SideCombustion Air Options 1. Outside Combustion Air, No Ducts4. Combustion Air from Interior Space 2. Outside Combustion Air, Using Ducts3. Outside Combustion Air - Using Direct Venting FIG. 7 Outside Combustion Air - Two OpeningsVertical Vent Termination Clearances and Location VENTINGExhaust Fans General InformationINSTALLATION Continued Sidewall Vent Termination Clearances and LocationFIG. 11 Vent Termination from Peaked Roof More Than 10’ From Ridge FIG. 12 Vent Termination from Flat Roof 10’ or Less from Parapet WallFIG. 14 Sidewall Combustion Air Inlet Combustion Air Inlet PipingLength of Air Inlet Pipe Sidewall Air InletFIG. 16 Roof Top Combustion Air Inlet ContinuedVertical Rooftop Air Inlet FIG. 15 Air Inlet Cap for Sidewall TerminationBarometric Damper Location Vent System OptionsCombined Air Inlet Points INSTALLATION Continued 1. Conventional Negative Draft VentingNegative Draft Flue Outlet PipingInstallation and Service Manual 2. Vertical DirectAire VentingVertical Vent Termination Clearances and Location Hydronic Heating Boilers and Domestic Water Heaters INSTALLATION Continued Vent KitsVenting of Flue Products FIG. 19 Air Inlet Cap for Sidewall TerminationSidewall Venting Without Fan 3. Sidewall VentingSidewall Fan Sidewall Venting TerminationINSTALLATION Continued Drain Tee InstallationVenting Guidelines FIG. 22 Sidewall VentSidewall Vent Termination Clearances and Location Masonry Chimney Installation4. Horizontal DirectAire Venting Installation and Service ManualHydronic Heating Boilers and Domestic Water Heaters Vent Kits5. Direct Venting INSTALLATION ContinuedMasonry Chimney Installation Vertical DV Venting TerminationInstallation and Service Manual Drain Tee InstallationFlue Pipe Materials Connecting the Air Inlet Pipe to the UnitHorizontal DV Venting Termination Horizontal Vent Termination Clearances and LocationSealing PVC, CPVC, ABS, Dryer Vent, and Flex Duct Vent Pipe FIG. 25 Moving Air Filter Assembly and DV Box AdapterAir Inlet Piping Materials Sealing Type-B Double-Wall Vent Pipe or Galvanized Vent PipeVertical Combustion Air Inlet Clearances 6. Outdoor Installation VentingMultiple Sidewall Direct Vent Installations 6 MAXIMUMInstallation and Service Manual FIG. 27 Outdoor Vent Cap Installed on Rear of UnitOutdoor Vent/Air Inlet Location The Outdoor Vent Cap KitGas Pressure Test CONNECTING TO GAS SUPPLYConnecting Gas Piping to Unit Gas PipingTABLE-J Gas Train and ControlsFIG. 28 Gas Line Connection FIG. 29 Typical Boiler Gas Train DrawingINSTALLATION Continued Combination Gas ValvesChecking Gas Supply Pressure Venting of Combination Gas ValvesInstallation and Service Manual Gas Manifold Pressure AdjustmentTABLE - L Multiple Unit Installations Gas Supply Pipe Sizing FIG. 30 Measuring Gas Supply Pressure at Combination Gas ValveFIG. 31 Measuring Manifold Gas Pressure CONNECTING TO WATER SUPPLYInlet and Outlet Connections Retain this cap for future useLow Water Cutoff CONNECTING TO ELECTRICAL SUPPLYWater Flow Switch Relief ValveWater Connections Heating Boilers Only BOILER SYSTEM PIPINGTABLE-N AMP Draw Data General Plumbing RulesFIG. 34 Pressure Drop Chart 399,999 - 750,000 Heat Exchanger Pressure Drop ChartCirculator Pump Specifications Pump Installation and Maintenance399,999 - 750,000VAL3048 990,000 - 2,070,000 VAL3047 Low Temperature Return Water SystemsTable - O LTV Valve Kits Input LTV Valve Kit Btu/hr20ºF TABLE-P System Temperature Rise Chart Based on Btu/hr InputRadiant Floor and Snow Melt Heating Systems 10ºFBoiler Bypass Requirements Temperature/Pressure GaugeBoiler Flow Rate Placing the Boiler in OperationInstallation and Service Manual Installation with a Chilled Water SystemBoiler Operating Temperature Control FIG. 41 Installation with a Chilled Water SystemHydronic Heating Boilers and Domestic Water Heaters WATER TREATMENTTerminal Strip Connection Options INSTALLATION ContinuedFigure 42B FOR YOUR SAFETY READ BEFORE OPERATINGOPERATION Figure 42CWHAT TO DO IF YOU SMELL GAS Do not try to light any appliance FIG. 43 Control Panel Cover FIG. 44 ON/OFF SwitchOPERATION Continued LIGHTING INSTRUCTIONSTo Turn Off Gas To Appliance Power UpPROGRAMMING TEMPERATURE CONTROL Quick Programming OverviewMenu Description Adjust Menu Setting DescriptionsTABLE-Q Adjust Menu Settings for Operating Modes TABLE-R View Menu InformationOperating Modes Adjust MenuFIG. 48 Adjust Menu Ignition Systems and StagesFIG. 49 User Access Level Dip Switch Location Access LevelsTemperature Control Placement of SensorsStaging Logic Graphic SymbolsSettings FIG. 50 Graphic SymbolsTABLE-S Programming Worksheet Programming For Mode 2, Water Heating OperationProgramming For Mode 3, Sequenced Operation Remote Mounting of SensorsHot Surface Igniter and Ignition Control Module Error and Warning MessagesTABLE-T Remote Wire Connection HOT SURFACE IGNITION SYSTEMRemoving the Control Panel Diagnostic Status IndicationAccess to Internal Control Panel Ignition Control Diagnostic CodesStatus LED Diagnostic Codes OPERATION AND DIAGNOSTIC LIGHTSTime Delay Between Stages 1&2 and 3&4 Pump Delay TimingWater Velocity Control Required Temperature RiseTemperature Rise Chart DOMESTIC WATER HEATERSFIG. 54 Typical Water Heater Piping with Storage Tank Pipe Size RequirementsCirculating Pump TABLE-XHEATERS Continued Potable Hot Water Temperature Control SettingsDomestic Water Temperatures DOMESTIC WATERLocation of Cold Water Supply Piping Connections High Water Temperature Limit ControlOptional Relief Valve Thermal ExpansionAppliance Area CLEANING AND MAINTENANCEFlue Gas Passageways Cleaning Procedures Burner Removal and CleaningElectrical Heat Exchanger CleaningFan Cleaning Combustion Air Fan AdjustmentFIG. 58 Adjusting Air Shutter 990,000 - 2,070,000 Btu/hr Models CLEANING AND MAINTENANCE ContinuedAdjusting Differential Air Pressure FIG. 56 Adjusting Air Shutter 399,999 - 750,000 Btu/hr ModelsServicing Hot Surface Igniter and Ignition Module POWER SUPPLYON/OFF ROCKER SWITCH SEQUENCE OF OPERATIONPRESSURE SWITCH MANUAL RESET HIGH-LIMIT THERMOSTATSAFETY DEVICE TERMINALS ELECTRONIC TEMPERATURE CONTROLLERIDLE IGNITIONHEAT TRANSFER PROCESS POST-PURGEStep 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 StepHydronic Heating Boilers WIRING BOX CONNECTIONS - WIRINGDIAGRAM A Domestic Water HeatersSCHEMATIC DIAGRAM LADDER DIAGRAM 399,999 - 750,000 BTU/HR MODELSLBL20008 REV A Installation and Service ManualHydronic Heating Boilers and Domestic Water Heaters Installation and Service Manual 120 VAC 15AMPS LADDER DIAGRAM 990,000 - 2,070,000 BTU/HR MODELSLBL20012 REV A Hydronic Heating Boilers and Domestic Water HeatersCONNECTION DIAGRAM A WIRING DIAGRAMMODELS CONNECTORHydronic Heating Boilers and Domestic Water Heaters BTU/HR MODELS CONTINUED DIAGRAM B CONNECTIONS 990,000 - 2,070,000CF-CHE-i&s-08 1/09