Ariston MICROCOMBI 23 MFFI, Installation And Servicing Instructions

Page: 52 / 65

0 99 84 1589 311 Edition 1 Re
vision 1 - 10/07/03
9. TECHNICAL INFORMATION
*Calculated at 70% maximum output
Manufacturer: Merloni TermoSanitari SpA - Italy
Commercial subsidiary:
MTS (GB) LIMITED
MTS Building
Hughenden Avenue
High Wycombe
Bucks HP13 5FT
Telephone: (01494) 755600
Fax: (01494) 459775
Internet: http://www.ariston.co.uk
E-mail: info@uk.mtsgroup.com
Technical Service Hot Line: (01494) 539579
CE Certification
Heat Input
max/min kW
Heat Output max/min kW
Efficiency of Nominal Heat Input %
Efficiency at 30% of Nominal Heat Input %
Heat Loss to the Casing (
∆
T=50°C) %
Flue Heat Loss with Burner Operating %
Flue Heat Loss with Burner Off %
Max Discharge of Products of Combustion
(G20)
Kg/h
Residual Discharge Head mbar
Consumption at Nominal Capacity(G20) m
3
/h
Gas Consumption after 10 Minutes* m 3
(15°C, 1013 mbar) (G30-G31) Kg/h
Temp. of exhaust fumes at nominal capacity °C
CO
2
Content %
O
2
Content %
CO Content ppm
Minimum Ambient Temperature °C
Head Loss on Water Side (max) (
∆
T=20°C) mbar
Residual Head of System bar
Heating Temperature max/min °C
Domestic Hot Water Temperature (approx) max/min °C
D.H.W. Flow Rate
∆
T=35°C l/min
D.H.W. Minimum Flow Rate l/min
Pressure of Domestic Hot Water max/min bar
Expansion Vessel Capacity l
Expansion Vessel Pre-load Pressure bar
Maximum Water Content of System l
Maximum Heating Pressure bar
Nominal Pressure Natural Gas (G20) mbar
LPG (G30-G31)
mbar
Electrical Supply V/Hz
Power Consumption W
Protection Grade of Electrical System IP
Internal Fuse Rating
Weight
Kg
63AU4547
25.6/11.0
23.7/9.6
92.5
90.5
1.0
6.5
0.4
51
0.96
2.72
0.32
2.02/2.00
126
7.0
8.0
38
+5
200
0.25
82/42
54/36
9.7
2.5
6/0.2
6
1
130
3
20
30-37
230 / 50
135
X4D
FAST 2 AT
39
0694BM3512
29.3/11.0
27/9.3
92
88.8
1.3
6.7
0.4
57.7
1.41
3.10
0.36
2.31/2.27
148.5
7.1
8.0
53
+5
200
0.25
82/42
56/36
11.0
2.5
6/0.2
6
1
130
3
20
28-37
230/50
155
X4D
FAST 2 AT
41
G.C. Number 47-116-16 47-116-24
23 MFFI 27 MFFI