Manuals / Lochinvar / Household Appliance / Water Heater

Lochinvar Schematic Diagram - F9/M9 Unit, 500,000 Btu/hr Models, Wiring Diagram - F9/M9 Unit

Models: 000 Btu/hr 000 - 500 RSB-i&s-05 45 CP-5M-4/08

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Schematic Diagram - F9/M9 Unit

Schematic Diagram - F9/M9 Unit

Wiring Diagram - F9/M9 Unit

500,000 Btu/hr Models

500,000 Btu/hr Models

49

Image 49

Lochinvar CP-5M-4/08, 45, RSB-i&s-05 Schematic Diagram - F9/M9 Unit, 500,000 Btu/hr Models, Wiring Diagram - F9/M9 Unit

Contents

SPECIAL INSTRUCTIONS TO OWNER WARRANTYCHECKING EQUIPMENT Improper Installation, AdjustmentUSER WARNING CONTENTSCODES INSTALLATION PROCEDURELOCATION OF UNIT FIG. 1 Typical Front View Cabinet ConstructionCOMBUSTION AND VENTILATION AIR REQUIREMENTS FOR CLEARANCE FROM COMBUSTIBLE CONSTRUCTIONCONVENTIONALLY VENTED APPLIANCES Clearances from Combustible Constructionwith no duct, provide two permanent openings MINIMUM RECOMMENDED COMBUSTION AIR SUPPLY TABLE - ACombustion Air Source InputA CONVENTIONAL NEGATIVE DRAFT VENTING SYSTEM VENTINGTABLE - B VENT PIPE SIZES Input Btu/hrOn a conventionally vented, negative draft appliance, the connection from the vent to the chimney or vent termination on the outside of the building MUST be made with listed Type “B” double wall or equivalent vent connectors and must be direct as possible with no reduction in diameter. Use the National Fuel Gas Code venting tables for double wall vent to properly size all vent connectors and stacks. The Type “B” vent and accessories, such as firestop spacers, thimbles, caps, etc., MUST be installed in accordance with the manufacturer’s listing. The vent connector and firestop must provide correct spacing to combustible surfaces and seal to the vent connector on the upper and lower sides of each floor or ceiling through which the vent connector passes VENTING TERMINATION SIDEWALL VENTING MASONRY CHIMNEY INSTALLATIONInspection of a Masonry Chimney AUTOMATIC VENT DAMPER GAS PRESSURE TEST GAS SUPPLYTABLE - C GAS CONNECTIONTABLE - E SUGGESTED GAS PIPE SIZE SINGLE APPLIANCE INSTALLATIONSTABLE - F FITTINGS TO EQUIVALENT STRAIGHT PIPE TABLE G GAS CONNECTIONSGAS PIPING SIZE CHART TABLE - H MULTIPLE APPLIANCE INSTALLATIONSGAS PIPING Install Piping to ControlGAS MANIFOLD PRESSURE ADJUSTMENT PROCEDURE CHECKING GAS SUPPLY PRESSURE Venting of Combination Gas Valves COMBINATION GAS VALVESRELIEF VALVE WATER FLOW SWITCH IF EQUIPPEDTABLE MINIMUM FLOW RATE REQUIRED TO ACTUATE FLOW SWITCHLOW WATER CUTOFF IF EQUIPPED TWO STAGE BURNER CONTROL SYSTEMTemperature Control Settings TEMPERATURE ADJUSTMENTOperating Temperature Control Locating Temperature ControlInstallation of Remote Sensors Temperature Control SensorsWiring of Remote Sensors 1.Inlet Water Temperature SensorADDITIONAL TEMPERATURE CONTROLS OUTDOOR AIR RESET OPTIONOutdoor Air Reset Option Outdoor Air Shutdown Enable/Disable SwitchBLOCKED VENT AND FLAME ROLL-OUT/FLAMEINTERLOCK SWITCHINITIAL START-UP Manual Reset High Water Temperature LimitINPUT FOR YOUR SAFETY READ BEFORE OPERATING PRE-STARTCHECKLISTMODELS 90,000 THRU 270,000 Btu/hr WHAT TO DO IF YOU SMELL GAS3.Set the thermostat to the lowest setting OFF TO TURN OFF GAS TO APPLIANCE SAFETY SHUTOFF TEST FORSTANDING PILOT IGNITION SYSTEM LIGHTING INSTRUCTIONS FOR SPARKOPERATING INSTRUCTIONS SAFETY SHUTOFF TEST FOR SPARKIGNITION PILOT SYSTEM TO TURN OFF GAS TO APPLIANCEIGNITION and CONTROL TIMINGS INTERMITTENT PILOT SPARK IGNITION SYSTEM F9/M9FREEZE PROTECTION FREEZE PROTECTION FOR A HEATINGWATER TREATMENT MAINTENANCEFIG. 37 Burner Flames HEAT EXCHANGER/BURNER ACCESS INSPECTION CLEANING PROCEDUREINSPECTION AND CLEANING UPPER FRONT FIG. 38B Pilot Flame on ThermocoupleJACKET PANEL OUTER AIRWATER CONNECTIONS HEATING BOILERS ONLY GAS TRAIN AND CONTROLSPIPING OF THE BOILER SYSTEM CIRCULATOR PUMP REQUIREMENTSTABLE - L CIRCULATOR PUMP SPECIFICATIONSCIRCULATOR PUMP OPERATION Heating Boilers Only BYPASS PUMP 45,000 - 260,000 Btu/hrPRIMARY/SECONDARY BOILER PIPING THREE WAY VALVES LOW TEMPERATURE BYPASS REQUIREMENTSBOILER FLOW RATES FIG. 45 Boiler Piping with a 3-WayValveTABLE - M MINIMUM REQUIRED FLOW FOR TYPICAL HEATING BOILER INSTALLATIONSHEATING BOILER PLACING THE BOILER IN OPERATIONTABLE - N INSTALLATION WITH A CHILLED WATER SYSTEMBased on Boiler Output in Btu/hr POWER VENTER CONNECTION TO TERMINAL STRIP BOILER OPERATING TEMPERATURE CONTROLTABLE - O TERMINAL STRIP WIRING ROOM THERMOSTAT OR REMOTE THERMOSTAT CONNECTIONTABLE - P REQUIRED TEMPERATURE RISE REQUIRED TEMPERATURE RISEWATER VELOCITY CONTROL Btu/hrSOFTENED WATER SYSTEMS WATER CHEMISTRYTABLE - Q PUMP OPERATIONTHERMOSTAT SETTINGS REMOTE SENSOR INSTALLATION INSTRUCTIONSMINIMUM PUMP PERFORMANCE HEAT EXCHANGEROPTIONAL RELIEF VALVE AUTOMATIC VENT DAMPERSHotter water increases the risk of scald injury CATHODIC PROTECTION THERMAL EXPANSIONDo not plug or cap the relief valve discharge STEP TROUBLESHOOTING GUIDESTEP STEP STEP 90,000 - 270,000 Btu/hr Models - Water Heaters F1TROUBLESHOOTING GUIDE STEPWiring Diagram - F1 Unit Schematic Diagram - F1 Unit90,000 - 270,000 Btu/hr Models 90,000 - 270,000 Btu/hr ModelsWiring Diagram - F9 Unit Schematic Diagram - F9 Unit90,000 - 399,999 Btu/hr Models 90,000 - 399,999 Btu/hr ModelsWiring Diagram - M9 Unit Schematic Diagram - M9 Unit45,000 - 399,999 Btu/hr Models 45,000 - 399,999 Btu/hr Models500,000 Btu/hr Models Schematic Diagram - F9/M9 UnitWiring Diagram - F9/M9 Unit 500,000 Btu/hr ModelsPage Page CP-5M-4/08 RSB-i&s-05