Manuals / Raypak / Household Appliance / Boiler

Raypak 302A-902A manual Contents

Models: 302A-902A

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CONTENTS

CONTENTS

WARNINGS	4	APPENDIX	53
BEFORE INSTALLATION	5	Inside Air Contamination	53
Product Receipt	5	WARRANTIES	54
Model Identification	5	Type H and WH	54
Ratings and Certifications	5	Type P	55
Component Locations	6
General Information	7
GENERAL SAFETY	8
Time/Temperature Relationships in
Scalds	8
INSTALLATION	9
Installation Codes	9
Equipment Base	9
Stacking	9
Clearances	10
Combustion and Ventilation Air	12
Conventional Combustion Air Supply	13
Water Piping	14
Hydronic Heating	16
Gas Supply	20
Electrical Power Connections	22
Field Wiring Connection	23
Venting	25
Changing the Flue Outlet	27
Venting Installation Tips	28
Venting Configurations	28
Controls	33
Outdoor Installation	33
Heater Sequence of Operations	34
87%-Efficiency Boilers –
Special Instructions	39
Water Piping	39
Wiring Diagram	44
START-UP	45
Pre Start-up	45
Start-Up	46
OPERATION	49
Lighting Instructions	49
To Turn Of Gas To Appliance	49
TROUBLESHOOTING	50
MAINTENANCE	51
Suggested Minimum
Maintenance Schedule	51
Preventative Maintenance Schedule	51

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Raypak 302A-902A manual Contents

Contents

WHAT TO DO IF YOU SMELL GAS ModelsINSTALLATION AND OPERATING INSTRUCTIONS 302A-902ATypes H, WH & PPage CONTENTS WARNING - CALIFORNIA PROPOSITION WARNINGSPay Attention to These Terms DANGERRatings and Certifications BEFORE INSTALLATIONProduct Receipt Model IdentificationPanels removed for clarity Component LocationsFig. 1 Component Locations - Back Fig. 2: Component Locations - Left SideGeneral Information Time/Temperature Relationships in Scalds GENERAL SAFETYStacking INSTALLATIONInstallation Codes Equipment BaseClearances Indoor InstallationsOutdoor Installations U.S. Installations1 Canadian Installations2Table G Vent/Air Inlet Termination Clearances Direct Vent Combustion and Ventilation AirIndoor Units Reversing Air FilterAll Air from Inside the Building Conventional Combustion Air SupplyU.S. Installations TruSeal Combustion AirReversing Water Connections Water PipingCanadian Installations GeneralRelief Valve Piping Hydrostatic TestCold Water Operation P ft Hydronic HeatingP ft P ftThree-WayValves Pressure Drop in Feet of Head Feedwater RegulatorPiping Air-Separation/ExpansionTankPotable Water and Space Heating Winterizing Your Heater Automatic Chlorinators and Chemical FeederspH of Water Gas SupplyPool/Spa Water Chemistry Water HardnessGas Supply Connection Reversing Gas Supply ConnectionTable J Maximum Equivalent Pipe Length Field-ConnectedControllers Electrical Power ConnectionsCheck the Power Source Gas Supply PressureMaking the Electrical Connections Field Wiring ConnectionDANGER SHOCK HAZARD Fig. 21 Wiring ConnectionsAppliance Categories VentingVent Terminal Location Support of Vent StackChanging the Flue Outlet U.S. InstallationsCanadian Installations Natural Draft Vertical Venting Category Venting Installation TipsVenting Configurations InstallationAir Inlet CertifiedVertical Venting Combustion AirInstallation Horizontal Through-the-WallVenting CategoryTermination Combustion ModelCertified MaximumTermination InstallationTermination See Table L for Category I venting guidelinesOutdoor Installation ControlsFreeze Protection Models 302A, 402A, 502A, 652A, 752A and 902A Heater Sequence of OperationIndication External LightsLight ColorIgnition Module CodeCondition Operating Control High Limit Manual ResetFlow Switch High and Low Gas Pressure SwitchesFig. 34 High/Low Gas Pressure Switch Fig. 35 Fan-ProvingSwitchFig. 36 Blocked Vent Switch Appliance Categories 87%-EfficiencyBoilers - Special InstructionsWater Piping VentingCommon Venting System Vertical Venting CategoryVent Terminal Location Condensate ManagementInstallation Common Venting SystemCertified Installation 40’ of straight flue pipeCommon Venting System Direct Vent - Vertical Wiring Diagram Tools Needed START-UPPre Start-up WHAT TO DO IF YOU SMELL GASAttach Manometers to Measure Pressures Start-UpCheck Power Supply PreparationPilot Turn-DownTest Safety InspectionLeak Test Procedure Dual-SeatGas Valves Follow-UpPost Start-UpCheck OPERATION Lighting InstructionsTo Turn Off Gas To Appliance Step Step Step Step Step Step Step TROUBLESHOOTINGMAINTENANCE Suggested Minimum Maintenance SchedulePreventive Maintenance Schedule Annually WeeklyMonthly Semi-AnnuallyInside Air Contamination APPENDIXPARTS REPLACEMENT LIMITED PARTS WARRANTY HI DELTA - TYPES H AND WHHEAT EXCHANGER WARRANTY ADDITIONAL WARRANTY EXCLUSIONSPARTS REPLACEMENT LIMITED PARTS WARRANTY HI DELTA - TYPE PHEAT EXCHANGER WARRANTY ADDITIONAL WARRANTY EXCLUSIONS