Verona WALL HUNG GAS BOILER manual Electric Diagrams, Verify proper operation after servicing

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5. Electric Diagrams

Electric supply

Fan

Safety

Air Pressure

Ignition

Flame Detection

		terminal
		block
External controls	L	N
terminal
block

3	2	1	bn	gnye	bu
			bn	gnye	bu
rd		bu

		Thermostat
		rd
	M	rd
	~	rd
	~
wh	gy	gnye

gnye

	Switch
NC	NO
bn	bu
	COM
	bk

Electrodes Electrode

yebk whgy bu rd

rd	bu bn
	bk rd bu bu

bk bk

gy gy

gnye	gnye
	ye bk wh gy bu	rd
	rd
	rd
	wh
	gy
	bk
	bu
	bn
	gnye bu gy
	gy	bk
	wh	bk
	wh
	bu
	bk	rd
	rd	rd
	rd
	bu

COM

gnye gy bu

bn - brown bu - blue bk - black wh - white rd - red gy - grey ye - yellow

gnye - green/yellow

Primary Circuit	C.h. temperature	Pump	Gas
Flow Switch	probe NTC		Valve

* ---> directly connected to the electronic ignition board

Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.

Verify proper operation after servicing

RIVA HEAT ONLY MANUAL - REV A

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Contents Do not try to light any appliance WHAT TO DO IF YOU SMELL GASManufactured by Distributed ByRIVA HEAT ONLY MANUAL - REV A QHT inc Section Title Table of ContentsSection Number Page NumberSection Title Table of ContentsSection 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 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 LocationEXTERNAL VENT SURFACES ARE HOT 7. Exhaust Pipe LocationTERMINAL CLEAR OF SNOW AND ICE 8. Mounting Bracket 9.1 Restrictor Sizing 9. VentingCoaxial 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 Installation 10. Pipe Connections11. 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 12.6 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 ContReturn Water 14. Piping ContTemperature Gauge15.1Initial filling of the system 15. Commissioning15.2 Lighting the boiler 15.3Checking the gas pressure at the burner 15.Commissioning ContImportant after the checks all of the test15. Commissioning Cont 15.4Adjustment of the gas pressure15.5 Checking the ignition device 15.6 Checking the burner ignition 15.7 Adjustment of the useful c.h. output15. Commissioning Cont Important after the15.Commissioning Cont 15.8Labels placement15.10Instructing the user 15.9Checking the flue system and combustionUseful output 15.Commissioning Cont16. Gas Conversion Procedures17.4Cleaning the primary heat exchanger 17. Annual Maintenance17.1 Warnings 17.2 Dismanteling the external panels17.6 Cleaning the burner 17. Annual Maintenance Cont17.7 Checking the flue 17.8 Visual inspection of applianceSystem Checkout 18. Installer Notes17962.1274.1 2906 40A4USA 1796212741