Nova Florida LIBRA DUAL BTFS 24, Инструкция по установке, эксплуатации и обслуживанию

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2.5. Technical specifications
BTFS 24 Max output Min output 30% output
Outer casing heat loss % 0.23 0.23 -
Flue system heat loss with burner on % 6.57 9.67 -
Flue system mass capacity g/sec. 14.0 14.4 -
Flue temp.– air temp. °C 75 67 -
CO
2
% 7.2 2.8 -
Boiler efficiency rate % 93.2 90.1 90.2
BTFS 24 BTFS 28 BTFS 32
Boiler category II2H3+ II2H3+ II2H3+
Burner nozzles no. 12 13 15
Minimum CH flow rate l/h 900 1000 1200
Minimum CH pressure bar 0.5 0.5 0.5
Maximum CH pressure bar 3 3 3
Minimum DHW pressure bar 0.3 0.3 0.3
Maximum DHW pressure bar 8 8 8
DHW specific capacity (∆T 30 °C according to EN 625) l/10’ 160 180 200
Electrical power Supply – Voltage / Frequency V - HZ 230 - 50 230 - 50 230 - 50
Power mains fuse A 2 2 2
Maximum power consumption W 180 200 230
Net weight kg 67.0 67.5 68.0
Methane gas consumption (*) m
3
/h 2.70 3.23 3.46
Butane gas consumption kg/h 2.01 2.40 2.62
Propane gas consumption kg/h 1.98 2.37 2.51
Maximum CH working temperature °C 83 83 83
Maximum DHW working temperature °C 62 62 62
Total capacity of expansion vessel l 8 10 10
Maximum recommended CH system capacity (**) l 160 200 200
(*) Value related to 15°C – 1013 mbar condition
(**) Maximum water temperature = 83°C, expansion vessel pressure pre-charge = 1 bar.
BTFS 28 Max output Min output 30% output
Outer casing heat loss % 0.23 0.23 -
Flue system heat loss with burner on % 6.67 8.87 -
Flue system mass capacity g/sec. 18.2 18.7 -
Flue temp.– air temp. °C 75 45 -
CO
2
% 6.6 2.1 -
Boiler efficiency rate % 93.1 90.9 90.4
BTFS 32
Max output Min output 30% output
Outer casing heat loss % 0.23 0.23 -
Flue system heat loss with burner on % 6.67 9.77 -
Flue system mass capacity g/sec. 18.9 19.2 -
Flue temp.– air temp. °C 92 45 -
CO
2
% 6.9 2.5 -
Boiler efficiency rate % 93.1 90.0 90.3