Atmos
Heating Systems
Installation and user manual EN_FMT
5
CHAPTER 1.
1.1. Technical data 35C / 40C
Boiler type
35 / 40
Gas type
natural gas G20
natural gas G25
LPG gas G30/G31
Mains voltage / Frequency
230 V / 50 Hz
Power consumption (max.)
144 W
Electrical data
Thermostat voltage
24 V
Height
600 mm
Width
360 mm
Depth
300 mm
Dimensions and
weight
Weight
35 kg
CO
2
10 – 100 ppm
CO (0% 0
2
)
12 – 35 ppm
Emission value
NO
X
(0% O
2
)
10 – 30 ppm
at 80/60ºC
< 70ºC
Flue gas-
temperature
at 50/30ºC
< 35ºC
Maximum
chimney
resistance
Air feed and flue tube together
125 Pa
Gas
Ø 15 mm
CH (flow and return)
Ø 25 mm
Connections
Overflow
Ø 15 mm
Eccentric
Ø 60 – 60 mm
Air feed and flue
tube system
Concentric
Ø 80 / 125 mm
Water contents
0.8 L
Max. temperature
90°C
Boiler heat
exchanger
Max. Water pressure
3 bar
Pump high
40 dB(A)
Sound level
Pump low
30 dB(A)
Certification
CE Identification number
CE0063-AT3070
Boiler type
35
Gas type
natural gas G20
natural gas G25
LPG gas G30/G31
Nominal gas pressure
20 mbar
25 mbar
37/50 mbar
Heat input CH (gross)
8.1 – 38.5 kW
Heat input CH (net)
7.3 – 34.7 kW
Nominal output CH at 80/60ºC
7.2 – 33.7 kW
Nominal output CH at 50/30ºC
7.9 – 36.1 kW
Efficiency at 80/60ºC (net)
Low load = 98.1 %; High load = 97.2 %
Gas technical
data type 35
Efficiency at 50/30ºC (net)
Low load = 108.4 %; High load = 104.2 %
Boiler type
40
Gas type
natural gas G20
natural gas G25
LPG gas G30/G31
Nominal gas pressure
20 mbar
25 mbar
37/50 mbar
Heat input CH (gross)
8.1 – 41.1 kW
Heat input CH (net)
7.3 – 37.0 kW
Nominal output CH at 80/60ºC
7.2 – 36.0 kW
Nominal output CH at 50/30ºC
7.9 – 37.9 kW
Efficiency at 80/60ºC (net)
Low load = 98.1 %; High load = 97.2 %
Gas technical
data type 40
Efficiency at 50/30ºC (net)
Low load = 108.4 %; High load = 104.2 %
