5
EN
TECHNICAL SPECIFICATION
GENERAL FEATURES
DOMESTIC HOT WATER PERFORMANCE
FV/35 FV/50
Operating at 80 °C
Peak delivery at 40 °C (≤ T = 30 °C) L/10’ 283 377
Peak delivery at 40 °C (≤ T = 30 °C) L/60’ 1024 1485
Continuous delivery at 40 °C (≤ T = 30 °C) L/h 920 1352
Tank refill time at 60 °C
Initial heating time minutes 20 13
After drawing off 140 L at 45° C minutes 10 8
FV/35 FV/50
Input L/10’ 34.9 50
Output L/60’ 32.62 46.75
Maintenance loss at 60 °C as % of rated value % 0.8/0.7 0.6/0.45
Total capacity L 127 162
Primary capacity L 62 82
Heating connection Ø 1” 1”
Domestic hot water connection Ø 3/4” 3/4”
Hot water tank heat exchange surface m
2
1.99 2.46
Combustion efficiency % 94.7 93.5
Average CO2 % 13 13
Mass rate of combustion products g/sec. 14.8 21.2