Ariston 47-116-15 Restrictor Extension Piping not insulated Piping insulated, Systems

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23 MFFI

TABLE 2.1

	Exhaust	Restrictor	NO	Maximum	Risk of Condensation Forming
	Type	ø 43 mm	Restrictor	Extension	Piping not insulated		Piping insulated
				Exhaust/Air	ø 43 restrictor NO		ø 43 restrictor NO
Coaxial	C12 (xx)	L min = 0.5 m	L min = 2 m	L = 4 m	NONE	NONE	NONE	NONE
Systems	C32 (xx)	L min = 0.5 m	L min = 2 m	L = 4 m	NONE	NONE	NONE	NONE
ø 60/100	C32 (xx)	L max = 2 m	L max = 4 m
ø 60/100
	C42 (xx)

	Exhaust	Restrictor	NO	Maximum	Risk of Condensation Forming
	Type	ø 43 mm	Restrictor	Extension	Piping not insulated		Piping insulated
				Exhaust/Air	ø 43 restrictor NO		ø 43 restrictor NO
	C12 (xy)			43 m
Twin Pipe	C32 (xy)	L max = 11.5 m	L min = 11.5 m	43 m	4.3 m	6.9 m	NONE	NONE
Twin Pipe
Systems	C42 (xy)		L max = 43 m	43 m
ø 80/80
	C52 (xy)	L max = 11,4 m	L min = 11,4 m	40 m	4.3 m	6.9 m	5,7 m	21,7 m
	C82 (xy)		L max = 40m

27 MFFI

	Exhaust	Restrictor		Maximum	Risk of Condensation Forming
	Type	ø 41 mm	NO Restrictor	Extension	Piping not insulated		Piping insulated
				Exhaust/Air	ø 41 restrictor	NO restrictor	ø 41 restrictor	NO restrictor
Coaxial	C12 (xx)	L min = 0.5 m	L min = 1 m	L = 4 m	NONE	NONE	NONE	NONE
Systems	C32 (xx)	L min = 0.5 m	L min = 1 m	L = 4 m	NONE	NONE	NONE	NONE
ø 60/100	C32 (xx)	L max = 1 m	L max = 4 m
ø 60/100
	C42 (xx)

	Exhaust	Restrictor	NO Restrictor	Maximum	Risk of Condensation Forming
	Type	ø 41 mm	NO Restrictor	Extension	Piping not insulated		Piping insulated
				Exhaust/Air	ø 41 restrictor	NO restrictor	ø 41 restrictor	NO restrictor
	C12 (xy)			62 m
Twin Pipe	C32 (xy)	L max = 38 m	L min = 38 m	62 m	8 m	11 m	19 m	31 m
Twin Pipe
Systems	C42 (xy)		L max = 62 m	62 m
ø 80/80
	C52 (xy)	L max = 34 m	L min = 34 m	54 m	8 m	11 m	19 m	31 m
	C82 (xy)		L max = 54 m

L = Sum of the total length of exhaust + air intake piping.

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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 Kent TN9 1RA Morley RoadTonbridge 80 mm Extension Piping not insulated Piping insulated Restrictor Extension Piping not insulated Piping insulatedSystems Restrictor No RestrictorCalculating the lengths of the pipes, Electrical Diagram Central Heating Return Commissioning Control Panel Initial START-UP Operational Adjustments Status ANTI-FROST Device 16.0 GAS AdjustmentsMethane Liquid Gas Butane G20 Gas G30Maintenance Boiler MiscellaneousProgrammer Manufacturer Merloni TermoSanitari SpA Italy Technical Service Hot Line 01494Technical Information Servicing Instructions Type C Boilers Fault Finding Removing the front panel Servicing InstructionsRemoving the side panels Removing the sealed chamber frontal coverRemoving the electrodes Removing the combustion coverRemoving the burner and jets Removing the main heat exchanger Removing the fan Removing the air pressure switchSetting pressure for soft ignition Setting the gas pressuresSetting the minimum and the maximum power of the boiler Setting the maximum heating circuit powerRegulating the heating power for Propane gas G31 Regulating the heating power for Natural gas G20Regulating the heating power for Butane gas G30 Removing the spark generator Removing the D.H.W. secondary exchanger Removing the gas valveRemoving the automatic air vent Removing the safety valveRemoving the main circuit flow switch Removing the pump Removing the expansion vessel Removing the pressure gaugeRemoving the overheat thermostat Removing the D.H.W. temperature sensor N.T.CRemoving the heating temperature sensor N.T.C Removing the D.H.W. flow switchRemoving 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