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Atlantic Boilers VF 40 - Operating Conditions; Electrical Conditions

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page 8/41
2.3. Operating conditions
VF
60 100
Maximum flow water temperature °C 80
Temperature Limit thermostat °C 100
Maximum working pressure
hPa
(bar)
4000
(4,0)
Minimum working pressure
hPa
(ba
r)
1000
(1,0)
Minimum water flow rate :
primary / secondary circuits (P/20)
l/s 0.67 / 0.67 1.11 / 1.11
Water content
l 6,1 9,4
Dry weight
kg 73 88
2.4. Electrical conditions
VF
60 100
Electrical supply
V 230 V AC (+10% -15%), 50Hz
Requirement at Qn
W 190 300
Requirement at standing load
W 7
Maximum length for sensor cables
m
domestic hot watersensor : 10
external sensor : 40
room thermostat : 40
room sensor : 50
Control panel requirement
V
A
230V AC (+10%, -15%)
5 mA à 1 A
Temperature °C
Ohm resistance
flow/return sensor QAK36.095/109
flue gas sensor QAK36.670/109
NTC 10 KΩ at 25°C
0°C
32 555 Ω
10°C
19 873 Ω
20°C
12 488 Ω
25°C
10 000 Ω
30°C
8 059 Ω
40°C
5 330 Ω
50°C
3 605 Ω
60°C
2 490 Ω
70°C
1 753 Ω
80°C
1 256 Ω
90°C
915 Ω
100°C
677 Ω
110°C
508 Ω
120°C
387 Ω

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