Ariston Microgenus HE 32 Boiler 30.5kW 32MFFI

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Description

Ariston MicroGENUS HE 32 Boiler 30.5kW 32MFFI

Wall hung high efficiency gas combination boiler natural gas boiler

Product Features

Mechanical Time Clock
Filling Loop
Anti-Frost Device
By-pass and integral diagonostics
SEDBUK Band B
BTU/H 104,000

2 Year Guarantee

Wall hung high efficiency gas combination boiler
Natural Gas

Product Characteristics

The microGENUS HE is a direct evolution of the familiar microGENUS range, which is now one of the UK's best selling gas boilers. The microGENUS HE is SEDBUK Band B rated boiler which is fully compliant to the latest building regulations. The microGENUS HE achieves this level of efficiency by incorporating an additional latent heat exchanger or recuperator, which significantly increases efficiency by extracting heat from the flue gases. The benifit of this is that it is based on existing technology and offers installers known boiler layout whilst meeting the requirments of the latest regulatory changes.

Main Technical Information
Heigth	mm	700
Width	mm	400
Depth	mm	315

Main Characteristics

Electronic ignition	Anti-scale device	Anti-frost device
Insufficient system pressure shutdown	Automatic bypass	High head pump
Fully modulating	C.H. Temperature adjustment	D.H.W Temperature adjustment
D.H.W plate heat exchanger	P.C.B with Microprocessor	Combustion analysis device
IPX 4D	Outdoor sensor	Integral auto-diagnostics

MICROGENUS HE 24 MFFI

Characteristics

SEDBUK Band B - Complies with latest building regulations
Available in three outputs
Fully modulating in C.H/D.H.W with an accuracy to +/- 1°C
Auto-diagnostic system
Comfort Switch (pre-heat function)
High D.H.W flow rates up to 12.5l/min (2.8 gal/min) (30.5 kW 104,000 Btu/h)
Anti-frost device
Anti-scale device
Anti seizing device for the pump
Built-in automatic by-pass
Built-in automatic time clock
Built-in condensate trap accessible from outside of the boiler casing
Split exhaust and intake pipes for built-in combustion analysis
Optional outdoor sensor: regulates the heating temperature automatically
D.H.W stainless steel plate heat exchanger guaranteed for 5 years
2 year manufacturer's guarantee
Guarantee extendable up to 5 years

Internal View

Legend:

Flue Connector
Air intake (Twin Flue)
Air pressure swich
Fan
Combustion chamber hood
Main heat exchanger
Safety thermostat
C.H flow temperature probe
Combustion chamber
Detection electrodes
Ignition electrodes
Motorised diverter valve
Insulated secondary heat exchanger
DHW temperature probe
Pump pressure switch
Gas valve
Spark generator
DHW flow switch
Circulation pump with automatic air release valve
3 bar saftey valve
Burner
C.H return temperature probe
Expansion vessel
Venturi tubes
Latent heat exchanger (recuperator)
Combustion analysis intake

Technical Data

Technical Data
Power
Heat input min (net)	kW	13,3
Heat input min (net)	Btu/h	45400
Heat input max (net)	kW	35
Heat input max (net)	Btu/h	119400
Heat output min	kW	11,3
Heat output min	Btu/h	38600
Heat output max	kW	30,5
Heat output max	Btu/h	104000
Efficiency
SEDBUK Rating		B
Characteristics
Exhaust gas temperature at nominal capacity	°C	64,5
Minimum ambient temperature	°C	5
Gas inlet pressure - Natural Gas (G20)	mbar	20
Pressure loss through boiler (max) (DT=20°C)	mbar	200
Residual head of system	bar	0,25
Maximum heating pressure	bar	3
Maximum water content of system	l	130
Built-in expansion vessel pre-charge pressure	bar	0,7
Maximum domestic hot water pressure	bar	6
Minimum domestic hot water pressure	bar	0,2
D.H.W minimum flow rate	l/min	2,5
Built-in expansion vessel capacity	l	7
Gas consumption at nominal capacity G20 (15°C; 1013 mbar)	m³/h	3,33
GC number		47-116-39
Heigth	mm	700
Width	mm	400
Depth	mm	315
Weight	kg	39
Performance
Maximum heating temperature	°C	82
Minimum heating temperature	°C	38
Maximum domestic hot water temperature	°C	56
Minimum domestic hot water temperature	°C	36
D.H.W flow rate (DT=35°C)	gal/min	2,8
D.H.W flow rate (DT=35°C)	l/min	12,5
Electrical data
Supply voltage	V	230
Supply frequency	Hz	50
Power consumption	W	165
Protection grade of electrical system	IP	X4D
Internal fuse rating		FAST 2 AT

Legend:

A Central heating flow Ø 3/4" BSP
B Domestic hot water outlet Ø 1/2"" BSP
C Gas inlet Ø 3/4" BSP
D Domestic hot water inlet Ø 1/2" BSP
E Central heating return Ø 3/4" BSP
F Flue (Ø mm)

Residual Head

Hydraulic Schematic

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