Parts List, Primary Components | Verona WALL HUNG GAS BOILER

3. Parts List

3. Parts List

Primary Components:

12

11

		9		10
		9
		8
		7		19
		6		19
		6
		5		3
				3
		15
		4		14
		4
		16		1
		16
		18		2
		18
				13
		20		26
				26
1	Pump		17	Central heating expansion vessel
2	Pump vent plug		18	Central heating temp. Probe NTC
3	Automatic air purger valve		19	Central heating pressure relief valve
4	Modulation gas valve		20	Primary circuit flow switch
5	Flame-detecting electrode		21	Main circuit drain cock
6	Ignition electrodes		22	By-pass valve
7	Burner		23	Venturi device
8	Combustion chamber		24	Flue outlet pipe
9	Primary heat exchanger		25	Air Intake Pipe
10		Fan	26	Control panel
11		Air pressure switch	27	Safety thermostat probe
12		Air switch pres. Test points	28	Pressure reducing automatic fill valve
13		Safety thermostat	29	Backflow preventer
14		Modulation operator	30	Gas supply line cock
15		Gas valve outlet pres. Test point	31	Water supply inlet cock
16		Gas valve inlet pres. Test point

RIVA HEAT ONLY MANUAL - REV A

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Verona WALL HUNG GAS BOILER manual Parts List, Primary Components

Contents

Distributed By WHAT TO DO IF YOU SMELL GASDo not try to light any appliance Manufactured by RIVA HEAT ONLY MANUAL - REV A QHT inc Page Number Table of ContentsSection Title Section Number Page Number Table of ContentsSection Title Section Number Do 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 Primary Components 3. Parts List RIVA HEAT ONLY MANUAL - REV A 4. Internal Piping & Parts List Verify proper operation after servicing 5. Electric Diagrams WARNING Do not install the boiler on carpeting 6. Installation Location TERMINAL CLEAR OF SNOW AND ICE 7. Exhaust Pipe LocationEXTERNAL VENT SURFACES ARE HOT 8. Mounting Bracket Restrictor Size 9. Venting9.1 Restrictor Sizing Coaxial 2.5/4.0 9.3 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 Installation 10. Pipe Connections WARNINGS 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 12.6 Finishing 12.5 Zone Valve Micro Switch Connection 13.2 Expansion vessel 13.Circulator Sizing 14.1 Primary - Secondary Piping 14. Piping 14.2Primary - Secondary Piping with Zone Valves 14.Piping Cont Gauge 14. Piping ContReturn Water Temperature 15.2 Lighting the boiler 15. Commissioning15.1Initial filling of the system checks all of the test 15.Commissioning Cont15.3Checking the gas pressure at the burner Important after the 15.5 Checking the ignition device 15.4Adjustment of the gas pressure15. Commissioning Cont Important after the 15.7 Adjustment of the useful c.h. output15.6 Checking the burner ignition 15. Commissioning Cont 15.Commissioning Cont 15.8Labels placement 15.Commissioning Cont 15.9Checking the flue system and combustion15.10Instructing the user Useful output 16. Gas Conversion Procedures 17.2 Dismanteling the external panels 17. Annual Maintenance17.4Cleaning the primary heat exchanger 17.1 Warnings 17.8 Visual inspection of appliance 17. Annual Maintenance Cont17.6 Cleaning the burner 17.7 Checking the flue System Checkout 18. Installer Notes 17962.1274.1 2906 40A4USA 1796212741