Immergas 3.028358, Instructions And Recommendations

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70
INS
TALLER
U
SER
M
AINTEN
AN
CE
TECHNI
CI
AN
TECHNI
CAL
D
AT
A
4.3 TECHNICAL DATA TABLE
Domestic hot water nominal heat input kW (kcal/h) 25.7 (22119)
Central heating nominal heat input kW (kcal/h) 20.8 (17885)
Minimum heat input kW (kcal/h) 4.3 (3715)
Domestic hot water nominal heat output (useful) kW (kcal/h) 25 (21500)
Central heating nominal heat output (useful) kW (kcal/h) 20.2 (17372)
Minimum heat output (useful) kW (kcal/h) 4.1 (3526)
*Effective thermal efficiency 80/60 Nom./Min. % 97.1 / 94.9
*Effective thermal efficiency 50/30 Nom./Min. % 105 / 105.8
*Effective thermal efficiency 40/30 Nom./Min. % 106.9 / 107,7
Casing losses with burner On/Off (80-60°C) % 0,38 / 0,05
Chimney losses with burner On/Off (80-60°C) % 0,02 / 2,75
Central heating circuit max. operating pressure bar (MPa) 3,0 (0,30)
Maximum heating temperature °C 90
Adjustable central heating temperature (min. operating field) °C 20-50
Adjustable central heating temperature (max operating field) °C 55-85
System expansion vessel total volume l 5.8
Expansion vessel pre-charged pressure bar (MPa) 1,0 (0,10)
Appliance water content l 2
Head available with 1000 l/h flow rate kPa (m H
2
O) 26,7 (2,7)
Hot water production useful heat output kW (kcal/h) 25 (21500)
Domestic hot water adjustable temperature °C 20-60
Domestic hot water circuit min. pressure (dynamic) bar (MPa) 0,3 (0,03)
Domestic hot water circuit max. operating pressure bar (MPa) 10,0 (1,00)
Flow rate capacity in continuous duty (∆T 30°C) l/min 12.5
Weight of full boiler kg 31
Weight of empty boiler kg 29
Electrical connection V/Hz 230 / 50
Nominal power absorption A 0.67
Installed electric power W 90
Pump absorbed power W 40
EEI value - ≤ 0.20 - Part. 3
Fan power absorbed power W 87.9
Equipment electrical system protection - IPX5D
Max temperature of combustion products °C 75
Max. flue overheating temperature °C 120
Ambient operating temperature range °C -5 ÷ +40
Ambient operating temperature range with optional antifreeze kit °C -15 ÷ 40
NO
X
class - 6
Weighted NO
X
mg/kWh 36
Weighted CO mg/kWh 23
**Type of appliance -
C13-C13x-C33-C33x-C43-
C43x-C53-C63-C83-C93-
C93x B23-B33
Category - II 2H3P
The data relating to domestic hot water performance refer to a dynamic inlet pressure of 2 bar and an inlet temperature of 15°C; the values
are measured immediately at the boiler outlet, considering that to obtain the data declared, mixing with cold water is required.
* The efficiency values refer to the lower calorific value.
The weighted NO
x
value refer to the net calorific value.
** For type C63 it is forbidden to install the appliance as it came out of the factory, in configurations that require shared flues in positive
pressure.