Manufacturer:
Merloni TermoSanitari SpA - Italy
9. TECHNICAL INFORMATION
Certification
0694BM3593
0694BM3593
Category
II2H3B/P
II2H3B/P
Thermal Capacity C.H.W. min/max
kW
8.9/26.7
8.9/26.7
Thermal Capacity D.H.W. min/max
kW
8.9/30
----
Power for Hot Water Production min/max
kW
7.8/23.6
----
Efficiency at Nominal Thermal Capacity (30/50°C)
%
94.0
94.0
Efficiency at 30% of Nominal Thermal Capacity (47°C of return)
%
91.0
91.0
Efficiency at 30% of Nominal Thermal Capacity (30°C of return)
%
96.7
96.7
Gas Consumption after 10 Minutes* (C.H.W.)
m
3
0.30
0.30
Maximum Heat Loss to the Casing (
∆
T=50°C)
%
0.1
0.1
Flue Heat Loss with Burner Operating
%
1.5
1.5
Flue Heat Loss with Burner Off
%
0.4
0.4
Maximum Discharge of Fumes (D.H.W.)
Kg/h
38.54
38.54
Maximum Temperature of Discharge Fumes (D.H.W.)
°C
72.6
72.6
Minimum Room Temperature
°C
5
5
Heating Temperature min/max (High Temperature range)
°C
42/82
42/82
Heating Temperature min/max (Low Temperature range)
°C
30/75
30/75
Temperature of Water for Domestic Use min/max
°C
36/56
----
Class NOX
5
5
CO
2
Content (C.H.W.)
%
10.5
10.5
O
2
Content (C.H.W.)
%
2
2
CO Content (C.H.W.)
%
108.7
108.7
Inlet Pressure/Methane Gas G20 (boiler at maximum)
mbar
20
20
Inlet Pressure/Liquid Gas G30 - G31 (boiler at maximum)
mbar
30
30
Residual Discharge Head
mbar(Pa)
0.95(94)
0.95(94)
Maximum Head Loss on Water Side (
∆
T=20°C)
mbar
200
200
Residual Head of System (60/80°C)
bar
0.2
0.2
Maximum Heating Pressure
bar
3
3
Maximum Water Content in System
l
130
130
Expansion Vessel Capacity
l
6
6
Expansion Vessel Pre-load Pressure
bar
1
1
Pressure of Water for Domestic Use min/max
bar
0.2/6
-----
Nominal Capacity of Hot Water for Heating (residual head 0.25 bar)
l/h
820
820
D.H.W. Flow Rate:
∆
T=25°C l/min 15,0 -----
∆
T=30°C l/min 12.5 -----
∆
T=35°C l/min 10.7 -----
D.H.W. Flow Minimum Rate
l/min
2.5
-----
Quantity of Condensed Water with a (30/40°C)
l/h
1.8
1.8
pH Condensation Value
3.5÷4
3.5÷4
Electrical Supply
V/Hz
230/50
230/50
Power Consumption
W
135
135
Protection Grade of Electrical System
IP
24D
24D
Internal Fuse Rating
A
3.15 SLOW
3.15 SLOW
Width
mm
400
400
Height
mm
700
700
Depth
mm
305
305
Central Heating Connections
BSP
3/4
3/4
Domestic Hot Water Connections
BSP
1/2
-----
Gas Connection
BSP
3/4
3/4
Net Weight Kg 44 41
G.C. Number
47-116-23
41-116-08
27 MFFI 27 RFFI
*Calculated at 70% maximum output
Commercial subsidiary:
MTS (GB) LIMITED
MTS Building
Hughenden Avenue
High Wycombe
Bucks HP13 5FT
Telephone: (01494) 755600
Fax: (01494) 459775
Technical Service Hot Line: (01494) 539579
099841750000
