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8
AST 14 C 259/00
1.3 TECHNICAL SPECIFICATIONS
General Characteristics
CTN 24 AF
CTFS 24 AF
Operating parameters
Equipment category
II2H3+
Number of burner nozzles
n°
11
Minimum CH flow rate
l/h
550
CH circuit min. pressure
bar
0.5
CH circuit max. pressure
bar
3
DHW circuit min. pressure
bar
0,5
DHW circuit max. pressure
bar
8
DHW specific flow rate (
∆
t 30°C)
l/min
10.3
11.1
Safety thermostat triggering temperature
°C
95
Air pressure switch pressure ON
Pa
-
45
Air pressure switch pressure OFF
Pa
-
35
Central heating water setting range
°C
35 to 78
Maximum CH working temperature
°C
78 + 5
DHW setting range
°C
35 to 50
Maximum DHW working temperature
°C
50 + 7
Total capacity of expansion vessel
l
7
System recommended max. capacity (**)
l
100
Nominal electrical data
Electric Power Supply : Voltage / Frequency
V - Hz
230-50
Power mains supply fuse
A
2
Electric cabinet protection degree
IP
X4D
Max. absorbed power
W
69
98
Electric power in stand-by condition
W
< 2
Overall dimensions and connections
Height mm
700
Width mm
400
Depth mm
250
Net weight (without packaging)
Kg
22.5
24.0
Gas connection
-
G ½
Flow and return connection
-
G ¾
Cold water and hot domestic water.... connection
-
G ½
Consumption
Methane gas consumption (*)
m
3
/h 2.6
2.7
Butane gas consumption (*)
kg/h
1.93
2.0
Propane gas consumption (*)
kg/h
1.89
1.98
Operating characteristics
Type of ignition
-
Electronic
Flame surveillance
-
Ionization
Type of detection
-
Phase-neutral polarization
Hot DHW production
-
Instant
(*) Value related to 15°C - 1013 mbar condition
(**) Maximum water temperature at 83°C, vessel preloaded at 1 bar.