Raypak 302A-902A manual

Contents

Main INSTALLATION AND OPERATING INSTRUCTIONS Models 302A-902A Types H, WH & P L W Page CONTENTS WARNINGS Pay Attention to These Terms BEFORE INSTALLATION Product Receipt Model Identification Ratings and Certifications Page General Information GENERAL SAFETY Time/Temperature Relationships in Scalds INSTALLATION INSTALLATION Installation Codes Equipment Base Stacking Clearances Indoor Installations Outdoor Installations Page Combustion and Ventilation Air Indoor Units Reversing Air Filter Direct Vent Direct-Ducted Combustion Air Conventional Combustion Air Supply U.S. Installations Water Piping Canadian Installations General Reversing Water Connections Relief Valve Piping Hydrostatic Test Cold Water Operation Temperature & Pressure Gauge Hydronic Heating Pump Selection Pressure Drop in Feet of Head Feedwater Regulator Potable Water and Space Heating Page Gas Supply Gas Supply Connection Gas Supply Pressure Electrical Power Connections Check the Power Source Field-Connected Controllers Field Wiring Connection Making the Electrical Connections Page Venting General Support of Vent Stack Vent Terminal Location Changing the Flue Outlet Venting Installation Tips Venting Configurations Natural Draft Vertical Venting (Category I) Page Horizontal Through-the-Wall Venting (Category III) Direct Vent - Horizontal Through- the-Wall Direct Vent - Vertical Outdoor Installation Freeze Protection Controls Heater Sequence of Operation Models 302A, 402A, 502A, 652A, 752A and 902A Page Ignition Module High Limit (Manual Reset) Page 87%-Efficiency Boilers Special Instructions Water Piping Venting Appliance Categories Vertical Venting (Category II) Horizontal Through-the-Wall Venting (Category IV) Direct Vent - Horizontal Through- the-Wall Direct Vent - Vertical Page START-UP Pre Start-up Filling System (Heating Boilers) Air Purge (Domestic Hot Water Heaters) Venting System Inspection Start-Up Blower Adjustment Main Burner Adjustment Safety Inspection Follow-Up Pilot Turn-Down Test Leak Test Procedure: Dual-Seat Gas Valves Post Start-Up Check OPERATION Lighting Instructions To Turn Off Gas To Appliance TROUBLESHOOTING 7 6 5 Step 1 MAINTENANCE Suggested Minimum Maintenance Schedule Daily Monthly Yearly (Beginning Of Each Heating Season) Weekly Monthly Semi-Annually Annually As Required APPENDIX Inside Air Contamination LIMITED PARTS WARRANTY HI DELTA TYPES H AND WH MODELS 302A902A SCOPE HEAT EXCHANGER WARRANTY ANY OTHER PART MANUFACTURED BY RAYPAK ADDITIONAL WARRANTY EXCLUSIONS LIMITED PARTS WARRANTY HI DELTA TYPE P MODELS 302A902A SCOPE HEAT EXCHANGER WARRANTY ANY OTHER PART MANUFACTURED BY RAYPAK ADDITIONAL WARRANTY EXCLUSIONS