Raypak 504-2004

WIRING DIAGRAM - Models H & WH

Contents

Main Page CONTENTS WARNINGS Pay Attention to These Terms BEFORE INSTALLATION Product Receipt Model Identification Ratings and Certifications Installations at Elevation Page GENERAL SAFETY Equipment Base Clearances Indoor Installations INSTALLATION INSTALLATION Installation Codes Page Page Optional Construction Air Filter Direct Vent TruSeal Combustion Air Conventional Combustion Air Supply U.S. Installations Canadian Installations Water Piping General Relief Valve Piping Hydrostatic Test Cold Water Operation Temperature & Pressure Gauge Hydronic Heating Pump Selection Feedwater Regulator Piping Air-Separation/Expansion Tank Three-Way Valves Domestic Hot Water Potable Water and Space Heating Page Pool/Spa Water Chemistry Gas Supply Gas Supply Connection Gas Supply Pressure Electrical Power Connections Field-Connected Controllers Check the Power Source Field Wiring Connection Venting Vent Terminal Location General Support of Vent Stack Page Venting Installation Tips Venting Configurations Natural Draft Vertical Venting (Category I) Page Page Engineered Vent Systems Direct Vent - Vertical Outdoor Installation Freeze Protection Controls Operating Modes Page Page Definitions Page Operation { Heater Sequence of Operation Item Models 5042004 Page Page Page Blocked Vent Switch UDB Diagnostic Board SW1 Air Pressure Switch SW2 Page Page START-UP Pre Start-up Preparation Filling System (Heating Boilers) Air Purge (Domestic Hot Water Heaters) Start-Up Blower Check Manifold Check Safety Inspection Follow-Up Finishing Leak Test Procedure: Dual-Seat Gas Valve Post Start-Up Check OPERATION Lighting Instructions To Turn Off Gas To Appliance TROUBLESHOOTING 7 8 6 9 MAINTENANCE Suggested Minimum Maintenance Schedule Daily Monthly Yearly (Beginning Of Each Heating Season) Preventive Maintenance Schedule Daily Weekly Monthly Semi-Annually APPENDIX Inside Air Contamination Important Instructions for the Commonwealth of Massachusetts LIMITED PARTS WARRANTY MVB TYPES H AND WH MODELS 504-2004 SCOPE HEAT EXCHANGER WARRANTY ANY OTHER PART MANUFACTURED BY RAYPAK ADDITIONAL WARRANTY EXCLUSIONS LIMITED PARTS WARRANTY MVB TYPE P & WHP MODELS 5042004 SCOPE HEAT EXCHANGER WARRANTY ANY OTHER PART MANUFACTURED BY RAYPAK ADDITIONAL WARRANTY EXCLUSIONS START-UP CHECKLIST FOR FAN-ASSISTED RAYPAK PRODUCTS - M V B VISUAL INSPECTION OF COMPONENTS VEN TING EMISSIONS SETTINGS AND TEST INFORMATION (AT FULL FIRE) Nominal Factory Recommended Settings