Ariston 47-116-15 installation instructions Regulating the heating power for Natural gas G20

Page 33

Regulating the heating power for

natural gas (G20)

model 23

model 27

CG007A

Regulating the heating power for
butane gas (G30)	model 23
	model 23
	model 27
	CG008A
Regulating the heating power for
propane gas (G31)	40
	40
	38
	36
	34
	model 23
	model 27

				CG009A
	TABLE “A”
	MFFI	2.70	2.01 Kg/h	2.00 Kg/h
	MFFI
	23	1.16	0.87 Kg/h	0.85 Kg/h
	23	20	28 mbar	37 mbar
		20	28 mbar	37 mbar
		11.0	27.7 mbar	35.5 mbar
		2.0	6.0 mbar	7.3 mbar
			12 x 0.77	12 x 0.77
	MFFI	3.15	2.34 Kg/h	2.31 Kg/h
	MFFI
	27	1.26	0.94 Kg/h	0.93 Kg/h
	27	20	28 mbar	37 mbar
		20	28 mbar	37 mbar
		11.0	27.7 mbar	35.5 mbar
		1.6	4.6 mbar	6.0 mbar
		14 x 1.30	14 x 0.77	14 x 0.77
				TB012A
	B063			9

Image 33

Contents Installation Instructions Type C Boilers Table of Contents General Information Overall View Installation Overall Dimensions Supply must be fused at 3 a Domestic Water Morley Road TonbridgeKent TN9 1RA 80 mm Systems Restrictor Extension Piping not insulated Piping insulatedRestrictor No Restrictor Extension Piping not insulated Piping insulatedCalculating the lengths of the pipes, Electrical Diagram Central Heating Return Commissioning Control Panel Initial START-UP Operational Adjustments Status ANTI-FROST Device Methane Liquid Gas Butane GAS AdjustmentsG20 Gas G30 16.0Maintenance Boiler MiscellaneousProgrammer Technical Service Hot Line 01494 Technical InformationManufacturer Merloni TermoSanitari SpA Italy Servicing Instructions Type C Boilers Fault Finding Removing the front panel Servicing InstructionsRemoving the side panels Removing the sealed chamber frontal coverRemoving the combustion cover Removing the burner and jetsRemoving the electrodes Removing the main heat exchanger Removing the fan Removing the air pressure switchSetting the minimum and the maximum power of the boiler Setting the gas pressuresSetting the maximum heating circuit power Setting pressure for soft ignitionRegulating the heating power for Natural gas G20 Regulating the heating power for Butane gas G30Regulating the heating power for Propane gas G31 Removing the spark generator Removing the D.H.W. secondary exchanger Removing the gas valveRemoving the safety valve Removing the main circuit flow switchRemoving the automatic air vent Removing the pump Removing the expansion vessel Removing the pressure gaugeRemoving the heating temperature sensor N.T.C Removing the D.H.W. temperature sensor N.T.CRemoving the D.H.W. flow switch Removing the overheat thermostatRemoving the time clock Checking the fusesRemoving the P.C.B Finding diagrams described in this chapter Fault FindingYES YES ∆ P 1.2 mbar YES Electrical Diagrams MicroGENUS 23/27 Mffi MicroGENUS 23/27 Mffi Ariston Page Manufacturer Merloni TermoSanitari SpA Italy Microgenus 27 Mffi Cod Part Code Description 998924 Panel combustion chamber front 571770 Main flow switch top cap