Verona WALL HUNG GAS BOILER manual Piping Cont, 14.2Primary - Secondary Piping with Zone Valves

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14.Piping Cont.

14.Piping Cont.

14.2Primary – Secondary Piping with Zone Valves:

All external piping components are to be supplied by the installer.

It is very important to use an hydraulic separator before secondary circulators.

 

 

 

 

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Secondary Circulator

Supply Lines to System Zone Valve

zone

zone

zone

valve

valve

valve

 

 

Return Lines

 

 

 

 

from System

 

Hydraulic Separator

RIVA HEAT ONLY MANUAL - REV A

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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 NumberWHAT TO DO IF YOU SMELL GAS DANGERDo not try to light any appliance Symptoms of CO poisoning include the following Please read this page carefully IMPORTANT INFORMATIONCodes and Regulations 1. General Information Key Features2. Technical Information M130.30CR 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 carpetingEXTERNAL VENT SURFACES ARE HOT 7. Exhaust Pipe LocationTERMINAL CLEAR OF SNOW AND ICE 8. Mounting Bracket 9. Venting 9.1 Restrictor SizingCoaxial 2.5/4.0 Restrictor Size9. Venting Cont Installation9.3 Choice of flue 9. Venting Cont InstallationFigure 9.4 Twin pipe φ 3.25 in 9. Venting Cont InstallationFigure 9.5 Twin Pipe Φ 3.25 in 10. Pipe Connections Installation11. Gas Pipe Connections 12. Electrical Connections/WiringWARNINGS Removing Front Panel 12. Electrical Connections/Wiring Cont12.2Connection to the electricity supply 12.4Relay Panel Connection 12.3 Room Thermostat Connection12. Electrical Connections/Wiring Cont 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 Gauge15.1Initial filling of the system 15. Commissioning15.2 Lighting the boiler 15.Commissioning Cont 15.3Checking the gas pressure at the burnerImportant after the checks all of the test15. Commissioning Cont 15.4Adjustment of the gas pressure15.5 Checking the ignition device 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
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