Verona WALL HUNG GAS BOILER manual QHT inc

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Dear Customer:

Thank you for buying a Biasi Riva Heating Only Boiler System.

The Riva Heating Only is a high efficiency, non-condensing, wall mounted gas boiler which provides central heat supply water.

We realize that it is not possible to answer all questions about the Riva boiler system in this manual. Reading this installation manual does not make the reader an expert in all aspects of installation and operation, and does not replace the need for a qualified, licensed heating contractor. We urge you to contact your installing contractor or distributor if you are in question about any aspect of your boiler's performance. Our main concern is that you are satisfied with your boiler and its performance. We require that your contractor complete efficiency tests using instruments.

The external controls and accessories listed in this manual (excluding those supplied inside the boiler) are intended to serve as guidelines rather than specific recommendations. We realize that other makes and models of such devices are available and can be used as successfully as those we specify. The installing contractor is the best judge of a system's specific requirements, as well as the local availability of certain makes and models of controls and accessories. The preceding does not apply, however, to the equipment that comes with every boiler, such as the overheat control and pressure relief valves. The installation of the specific devices supplied with every boiler is absolutely necessary to the safe operation of the boiler and protection of the heating system.

All BIASI wall hung boilers are built in accordance with the ASME boiler and pressure vessel code, and bear the "H" stamp. The Entire range of applications for the Riva boiler has been tested to standard CSA 4.9 and is CSA compliant.

This Riva Heating Only boiler has a 2 year warranty, a copy of which is provided with the boiler. Please be sure to return the warranty registration card as the warranty will be void without your boiler's serial numbers (located on the ratings label affixed to the boiler), date of installation and the name of your installer being on record in our files.

Thank you for purchasing our Riva Heating Only boiler. If you have questions or comments, please don't hesitate to contact us immediately. Our goal is 100% customer satisfaction.

QHT inc.

RIVA HEAT ONLY MANUAL - REV A

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Contents Distributed By WHAT TO DO IF YOU SMELL GASDo not try to light any appliance Manufactured byRIVA HEAT ONLY MANUAL - REV A QHT inc Page Number Table of ContentsSection Title Section NumberPage Number Table of ContentsSection Title Section NumberDANGER WHAT TO DO IF YOU SMELL GASDo not try to light any appliance Symptoms of CO poisoning include the following IMPORTANT INFORMATION Please read this page carefullyCodes and Regulations Key Features 1. General Information2. Technical Information M130.30CR 2.Technical Information Cont Primary Components 3. Parts ListRIVA HEAT ONLY MANUAL - REV A 4. Internal Piping & Parts ListVerify proper operation after servicing 5. Electric DiagramsWARNING Do not install the boiler on carpeting 6. Installation Location7. Exhaust Pipe Location EXTERNAL VENT SURFACES ARE HOTTERMINAL CLEAR OF SNOW AND ICE 8. Mounting Bracket Restrictor Size 9. Venting9.1 Restrictor Sizing Coaxial 2.5/4.0Installation 9. Venting Cont9.3 Choice of flue Installation 9. Venting ContFigure 9.4 Twin pipe φ 3.25 in Installation 9. Venting ContFigure 9.5 Twin Pipe Φ 3.25 in Installation 10. Pipe Connections12. Electrical Connections/Wiring 11. Gas Pipe ConnectionsWARNINGS 12. Electrical Connections/Wiring Cont Removing Front Panel12.2Connection to the electricity supply 12.3 Room Thermostat Connection 12.4Relay Panel Connection12. Electrical Connections/Wiring Cont 12.6 Finishing 12.5 Zone Valve Micro Switch Connection13.2 Expansion vessel 13.Circulator Sizing14.1 Primary - Secondary Piping 14. Piping14.2Primary - Secondary Piping with Zone Valves 14.Piping ContGauge 14. Piping ContReturn Water Temperature15. Commissioning 15.1Initial filling of the system15.2 Lighting the boiler checks all of the test 15.Commissioning Cont15.3Checking the gas pressure at the burner Important after the15.4Adjustment of the gas pressure 15. Commissioning Cont15.5 Checking the ignition device Important after the 15.7 Adjustment of the useful c.h. output15.6 Checking the burner ignition 15. Commissioning Cont15.Commissioning Cont 15.8Labels placement15.Commissioning Cont 15.9Checking the flue system and combustion15.10Instructing the user Useful output16. Gas Conversion Procedures17.2 Dismanteling the external panels 17. Annual Maintenance17.4Cleaning the primary heat exchanger 17.1 Warnings17.8 Visual inspection of appliance 17. Annual Maintenance Cont17.6 Cleaning the burner 17.7 Checking the flueSystem Checkout 18. Installer Notes17962.1274.1 2906 40A4USA 1796212741
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