Raypak 751 manual

Contents

Main INSTALLATION AND OPERATING INSTRUCTIONS Models 1501 Types H, WH & P Advanced Design Boiler L W Page CONTENTS WARNINGS Pay Attention to These Terms BEFORE INSTALLATION Product Receipt Model Identification Ratings and Certifications Installations at Elevation Page GENERAL SAFETY Time/Temperature Relationships in Scalds Equipment Base Clearances Indoor Installations INSTALLATION INSTALLATION Installation Codes Adjustment Screw Outdoor Installations Combustion and Ventilation Air Indoor Units Direct Vent Page Conventional Combustion Air Supply U.S. Installations Canadian Installations WATER PIPING General Relief Valve Piping Hydrostatic Test Low Temperature System Temperature & Pressure Gauge HYDRONIC HEATING Pump Selection Pressure Drop in Feet of Head Feedwater Regulator Piping Heating Boilers Air-Separation/Expansion Tank Page Page Page Page Page POOL HEATING Automatic Chlorinators and Chemical Feeders Pool and Spa Water Chemistry Winterizing Your Heater Page GAS SUPPLY Gas Supply Connection Gas Supply Pressure Gas Pressure Regulator Venting of Diaphragm Gas Components ELECTRICAL POWER Surge Protection Check the Power Source Making the Electrical Connections Electrical Connections Domestic Hot Water VENTING General Definition of Appliance Categories Determination of Appliance Category for Venting Purposes and Venting Arrangements Support of Vent Stack Vent Terminal Location U.S. Installations Canadian Installations Venting Installation Tips Venting Configurations Page Natural Draft Vertical Venting System Installation Natural Draft Vertical Vent Page System (Category III) Installation Horizontal Thru-wall Direct Vent System (Category III) Installation Horizontal Thru-wall Direct Vent Page Vertical Direct Venting System Vertical Direct Vent Termination Vertical Vent (Category IV) with Add-on Condensing Heat Exchanger Horizontal Thru-wall Venting System (Category IV) Installation Page System with Add-on Condensing Heat Exchanger (Category IV) Vertical Direct Venting System With Add-on Condensing Heat Exchanger (Category IV) Installation Outdoor Installation with Add-On Condensing Heat Exchanger CONDENSATE DRAIN CONTR OLS The CPW Board Pump Turn-off Delay Blower Fan Pre-purge Blower Fan Post-purge Freeze Protection Feature U-2 Diagnostics Board Page Ignition Control Module High Limit Manual Reset Flow Switch High Limit Auto Reset Low Water Cut Off (Optional) PRE-START-UP Fill the System: Inspect Venting System: For Your Safety Read Before Lighting Pre-Start-up Check ADB INITIAL START-UP Tools Needed Preparation for Start-up Check Power Supply Attach Manometers to Measure Pressures (See Fig. 37) Page Main Burner Adjustment Safety Inspection Follow-up POST START-UP CHECK OPERATION Operating Instructions To Turn Off Gas to Appliance MAINTENANCE Suggested Minimum Maintenance Schedule: CONNECTING THE CONDENSING HEAT EXCHANGER (CHX) Vent Switch Adjustment: APPENDIX Inside Combustion Air Contamination: START-UP CHECKLIST FOR FAN-ASSISTED RAYPAK PRODUCTS ADB, HI-DELTA & MV B VISUAL INSPECTION OF COMPONENTS VEN TING EMISSIONS SETTINGS AND TEST INFORMATION (AT FULL FIRE) Nominal Factory Recommended Settings