Verona WALL HUNG GAS BOILER manual Commissioning Cont, 15.4Adjustment of the gas pressure

Contents WHAT TO DO IF YOU SMELL GAS Do not try to light any applianceManufactured by Distributed ByRIVA HEAT ONLY MANUAL - REV A QHT inc Table of Contents Section TitleSection Number Page NumberTable of Contents Section TitleSection Number Page NumberDo not try to light any appliance DANGERWHAT TO DO IF YOU SMELL GAS Symptoms of CO poisoning include the following Codes and Regulations IMPORTANT INFORMATIONPlease read this page carefully 2. Technical Information M130.30CR Key Features1. General Information 2.Technical Information Cont 3. Parts List Primary Components4. Internal Piping & Parts List RIVA HEAT ONLY MANUAL - REV A5. Electric Diagrams Verify proper operation after servicing6. Installation Location WARNING Do not install the boiler on carpetingTERMINAL CLEAR OF SNOW AND ICE 7. Exhaust Pipe LocationEXTERNAL VENT SURFACES ARE HOT 8. Mounting Bracket 9. Venting 9.1 Restrictor SizingCoaxial 2.5/4.0 Restrictor Size9.3 Choice of flue Installation9. Venting Cont Figure 9.4 Twin pipe φ 3.25 in Installation9. Venting Cont Figure 9.5 Twin Pipe Φ 3.25 in Installation9. Venting Cont 10. Pipe Connections InstallationWARNINGS 12. Electrical Connections/Wiring11. Gas Pipe Connections 12.2Connection to the electricity supply 12. Electrical Connections/Wiring ContRemoving Front Panel 12. Electrical Connections/Wiring Cont 12.3 Room Thermostat Connection12.4Relay Panel Connection 12.5 Zone Valve Micro Switch Connection 12.6 Finishing13.Circulator Sizing 13.2 Expansion vessel14. Piping 14.1 Primary - Secondary Piping14.Piping Cont 14.2Primary - Secondary Piping with Zone Valves14. Piping Cont Return WaterTemperature Gauge15.2 Lighting the boiler 15. Commissioning15.1Initial filling of the system 15.Commissioning Cont 15.3Checking the gas pressure at the burnerImportant after the checks all of the test15.5 Checking the ignition device 15.4Adjustment of the gas pressure15. Commissioning Cont 15.7 Adjustment of the useful c.h. output 15.6 Checking the burner ignition15. Commissioning Cont Important after the15.8Labels placement 15.Commissioning Cont15.9Checking the flue system and combustion 15.10Instructing the userUseful output 15.Commissioning ContProcedures 16. Gas Conversion17. Annual Maintenance 17.4Cleaning the primary heat exchanger17.1 Warnings 17.2 Dismanteling the external panels17. Annual Maintenance Cont 17.6 Cleaning the burner17.7 Checking the flue 17.8 Visual inspection of appliance18. Installer Notes System Checkout1796212741 17962.1274.1 2906 40A4USA