Nova Florida VELA COMPACT - 2.5 General Characteristics

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2.5 General Characteristics
CTN 24 AF CTFS 24 AF
Equipment category - II2H3+ II2H3+
Number of burner nozzles installed n° 11 11
Minimum CH ow rate l/h 550 550
Minimum CH pressure bar 0.5 0.5
Maximum CH pressure bar 3 3
Minimum DHW pressure bar 0.5 0.5
Maximum CH pressure bar 8 8
DHW specic capacity (∆t 30 °C) l/min 10.6 11.3
Electric power Supply – Voltage / Frequency V - Hz 230-50 230-50
Power mains supply fuse A 2 2
Maximum power consumption W 80 140
Electric protection rating IP X4D X4D
Net weight Kg 24.9 27.5
Methane gas consumption (*) m
3
/h 2.59 2.70
Butane gas consumption kg/h 1.93 2.01
Propane gas consumption kg/h 1.90 1.98
Maximum CH working temperature °C 83 83
Maximum DHW working temperature °C 58 58
Total capacity of expansion vessel l 6 6
Maximum recommended CH system capacity (**) l 100 100
No. 4 chart – General characteristics
(*) Value related to 15°C – 1013 mbar condition
(**) Maximum water temperature of 83°C, vessel preloaded at 1 bar.
CTFS 24 AF Max. heat output Min. heat output 30% load
Casing heat loss % 1.2 0.4 -
Flue system heat loss with burner on % 5.8 11.7 -
Flue system mass capacity (methane gas) g/s 16.0 16.9 -
Flue temp.– air temp. °C 107 77 -
CO
2
(methane - propane - butane) % 6.3 / 7.2 / 7.0 2.7 / 3.3 / 3.2 -
Boiler efciency rating % 93.0 90.2 90.2
92/42/CEE rating
No. 6 chart – Combustion data CTFS 24 AF model
CTN 24 AF Max. heat output Min. heat output 30% load
Casing heat loss % 3.2 2.7 -
Flue system heat loss with burner on % 6.1 9.4 -
Flue system mass capacity (methane gas) g/s 16.7 16.5 -
Flue temp.– air temp. °C 85 66 -
CO
2
(methane - propane - butane) % 5.7 / 7.4 / 7.3 2.7 / 3.8 / 3.7 -
Boiler efciency rating % 90.6 90.0 90.0
92/42/CEE rating
No. 5 chart – Combustion data CTN 24 model