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Raypak 302-902 manual Wire Diagram Model, Reference Drawing Number M152462-Rev.M H4/W1

Models: 302-902

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WIRE DIAGRAM MODEL 302-402

WIRE DIAGRAM MODEL 302-402

Reference Drawing Number M152462-Rev. M

H4/W1

49

Image 49

Raypak 302-902 manual Wire Diagram Model, Reference Drawing Number M152462-Rev.M H4/W1

Contents

Models Type H, WH, & P FORYOURSAFETYINSTALLATION AND OPERATING INSTRUCTIONS FORYOURSAFETYTABLE OF CONTENTS PAGE NO DANGER DANGER SECTION A BEFORE INSTALLING THE BOILERPRODUCTRECEIPT RATINGS AND CERTIFICATIONS MODEL IDENTIFICATIONLEFT-SIDE BACKFRONT HIGH DELTA COMPONENT LOCATIONGeneral Information Typical Racked Installation SECTION B BOILER INSTALLATIONINSTALLATIONCODES EQUIPMENT BASECLEARANCES OUTDOOR INSTALLATION MINIMUM CLEARANCES OUTDOORINSTALLATIONSBoiler Size Boiler SideDIRECT VENT-INSTALLATON SECTION C COMBUSTION AND VENTILATION AIRCOMBUSTION AND VENTILATION AIR Indoor Units Page LOW TEMPERATURE SYSTEM SECTION D: WATER PIPING - GENERALTEMPERATURE & PRESSURE GAUGE RELIEFVALVE PIPINGPUMP SELECTION SECTION E HYDRONIC HEATING PIPINGPRESSURE DROP IN FEET OF HEAD FEEDWATER REGULATOR PIPING - HEATING BOILERSFig. #9223 DUALBOILERPRIMARY/SECONDARYPIPINGFig. #9232.2 POTABLE WATER AND SPACE HEATINGAPPLICATION SECTION F DOMESTIC HOT WATER PIPINGH BYPASS SECTION G POOL HEATINGWINTERIZINGYOUR HEATER AUTOMATIC CHLORINATORS AND CHEMICALFEEDERSSPAWATER CHEMISTRY SINGLEPOOLHEATERAPPLICATIONDANGER SECTION H GAS SUPPLY CONNECTIONSGAS SUPPLY CONNECTION GAS SUPPLY PRESSUREGAS PRESSURE REGULATOR CHECK THE POWER SOURCE SECTION I ELECTRICAL POWER CONNECTIONSFIGURE CHECK POWER SOURCE FIELD-CONNECTEDCONTROLLERSMAIN POWER AND PUMP POWER IN ALTERNATE LOCATION FIELD WIRING CONNECTIONAT OTHER END ALTERNATE POWER IN LOCATIONS MAKING THE ELECTRICAL CONNECTIONSBREAK THE WIRE NUTAT THE ELECTRICAL CONNECTIONS - DOMESTIC HOT WATERBREAK THE WIRE NUTAT THE DANGERGENERAL SECTION J VENTING CONNECTIONSDefinition ofAppliance Categories TABLE J-1 Vent Terminal Location Support of Vent StackGeneral VENTING CONFIGURATIONS Venting Installation Tips10 OR LESS VENT CAP 2 MIN 2 MIN VENT PIPE NATURAL DRAFT VERTICALVENTCOMBUSTION AIR FILTER BOILER UNIT Fig. #9228Natural Draft Vertical Vent Termination Common venting systems may be too large when an existing unit is removed. At the time of removal of an existing appliance, the following steps must be followed with each appliance remaining connected to the common venting system placed in operation, while the other appliances remaining connected to the common venting system are not in operation Horizontal Thru-WallVenting Category SECTION J-2HORIZONTALTHRU-WALLVENTINGCATEGORY III TABLE HI DELTA SLEEVE FLUE CONVERSION Horizontal Thru-wallDirect Vent Termination DIRECT VENT SECTION J-3Horizontal Thru-wallVenting CategoryHorizontal Thru-wallDirect Vent Termination Vertical Venting Category SECTION J-4DIRECT VENT VENTVertical Direct Vent Termination Vertical Direct Vent System InstallationSECTION J-5 Outdoor InstallationNOTICE NOTICE HIDELTAOUTDOORVENTKITANDINSTRUCTIONSHeater as shipped Fig. Fig. Fig HI DELTA OUTDOOR VENT INSTRUCTIONSHI DELTA OUTDOOR VENT INSTRUCTIONS CONTINUED Fig. Fig. Fig. Finished assemblyTHISKITINCLUDES HI DELTA FILTER BOX KITMODEL PARTNUMBERFilter HI DELTA FILTER BOX INSTRUCTIONS CONTINUEDSECTION K CONTROLS TABLE L-1LED INDICATORSHI-DELTAModel Boiler Sequence of OperationsHI-DELTAModel The black hot wire leads you directly to the Main Power Switch. This switch is located at the bottom right-frontcorner of the control compartment. When the main power switch is placed in the “ON” position, both the 120 v and 24 v terminal blocks on the Main Circuit Board will be powered and the power light will turn on. When the Auto On- Off switch is turned ON, the following 24 v safety components are immediately energized Low Water Cut-off,Blocked Vent Switch, Manual Reset Limit Control, Low Gas Pressure Switch optional and the High Gas Pressure Switch optional. At this point if all the preceding safety switches are closed, then Relay K 1 n.c. will be energized and the safety light will turn off. The boiler is now ready for a call for heatHI-DELTAModel902 MANUALRESETHIGHLIMIT HIGH LIMIT MANUAL RESETFLOW SWITCH FLOWSWITCHGAS PRESSURE SWITCH HIGH AND LOW GAS PRESSURE SWITCHESLOW WATER CUT OFF OPTIONAL LOW WATER CUTOFFReference Drawing Number M152462-Rev.M H4/W1 WIRE DIAGRAM MODELReference Drawing Number M152470-Rev.J H3/W3 WIRE DIAGRAM MODELReference Drawing Number M152464-RevR H3/HW3 WIRE DIAGRAM MODELReference Drawing Number M152465 Rev-P H3/W3 WIRE DIAGRAM MODELFeel water before bathing or showering SECTION L GENERAL SAFETY PRECAUTIONSFOR YOUR SAFETY READ BEFORE LIGHTING SECTION M PRE-START-UPFILLING SYSTEM-HEATINGBOILERS DOMESTIC HOTWATER BOILERS1.0TOOLS NEEDED SECTION N HI-DELTAINITIAL START-UP2.0PREPARATION FOR START-UP WARNING DO NOT TURN ON GAS AT THIS TIMEYour Hi-Deltais tuned in 3.0START-UPPILOT TURN DOWN TEST FOR RAYPAK HI DELTA BOILERS LEAK TEST PROCEDURE DUAL-SEATGAS VALVESPage SECTION O POST START-UPCHECK TOTURN OFFGASTOAPPLIANCE SECTION P OPERATIONSUGGESTED MINIMUM MAINTENANCE SCHEDULE SECTION Q MAINTENANCEYearly Beginning of each heating season DailyDaily PREVENTIVE MAINTENANCE SCHEDULEWeekly MonthlyINSIDECOMBUSTIONAIRCONTAMINATION APPENDIX AHEATEXCHANGERWARRANTY LIMITED PARTS WARRANTY COMMERCIAL BOILERSADDITIONAL WARRANTY EXCLUSIONS PARTS REPLACEMENT