35
EN
OPTIMA
cod. 30902370 - Rev. 01 - 11/2017
5. TECHNICAL SPECIFICATIONS
11 Litres
COB 11 D
Declared load profile
M
Energy efficiency class of water heating A
Energyefficiencyofwaterheating(ηwh) % 74,5
Annual energy consumption kWh/year 0
Annual fuel consumption GJ/year 6
Marketing thermostat Temperature setting MAX
Sound power level (LWA) dB 58
Daily consumption of electric energy(Qelec) kWh 0,000
Daily fuel consumption (Qfuel) kWh 7,734
NOx emissions mg/kWh 227
CATEGORY II2H3+ (ES - PT - GB) - II2E+3+ (FR - BE)
APPLIANCE TYPE B11BS
TYPE OF INSTALLATION Interior
NOMINAL CONSUMPTION
minimum
kW
8,10
maximum 21,1
USEFUL POWER
minimum
kW
7,10
maximum 18,9
WATER AND TEMPERATURE RATE: (a)
40ºC(∆=25°C) l/min 10,8
65ºC(∆=50°C) l/min 5,4
MINIMUM WATER PRESSURE FOR TEMPERATURE: (b)
40ºC(∆=25°C) bar 0,5
65ºC(∆=50°C) l/min 0,2
MAXIMUM WATER PRESSURE (d) bar 10
GAS CONSUMPTION (1013 mbar/288° K) (c)
Propane G31 / Butane G30
minimum
kg/h
0,63
maximum 1,65
Gas natural G20
minimum
m3/h
0,86
maximum 2,23
Gas natural G25
minimum
m3/h
1,0
maximum 2,6
GAS PRESSURE AT THE HEATER INLET
Butane G30
mbar
28-30
Propane G31 37
Natural G20 20
Natural G25 25
ELECTRICAL CURRENT (220V—50 Hz) no
(a) Based on input temperature of cold water at 15º C.
(b) This is the pressure required to operate the appliance, allowing for the addition of what is needed based on diameters and length of the pipeline circuit used.
(c) This consumption is produced in reference conditions for an 84% yield of the IPC
(d) Maximum pressure with water temperature of 75º C.
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