Installation & Servicing instructions ATAG A-Series
41
Annex A Technical specications
Boiler type
A203C A325C A325ECX A200S A320S
Type heat exchanger OSS1 OSS2 OSS2 OSS1 OSS2
Input CH Net kW 20 32 32 20 32
Q
n
Input CH Gross
kW 18 28,8 28,8 18 28,8
Q
nw
Input DHW Gross
kW 23,4 34,2 34,2
Efficiency DHW, year % 83,2 85,9 95,1
Efficiency class according BED
Efficiency according EN677 (36/30°C part load, Gross)
% 109,2 109,7 109,7 109,2 109,7
Efficiency according EN677 (80/60°C full load, Gross)
% 97,9 97,9 97,9 97,9 97,9
Modulation range CH (capacity 80/60°C) kW 4,4 - 17,6 6,1 - 28,2 6,1 - 28,7 4,4 - 17,6 6,1 - 28,2
Modulation range CH (capacity 50/30°C) kW 4,9 - 19,3 6,8 - 30,9 6,8 - 30,9 4,9 - 19,3 6,8 - 30,9
Nox class EN483
Nox according to EN483 and EN15420 (year measurement) mg/kWh 22,93 23,92 23,92 22,93 23,92
Nox at 0% O
2
according to EN483 and EN15420
mg/m
3
26,14 27,27 27,27 26,14 27,27
Nox at 3% O
2
according to EN483 and EN15420
mg/m
3
22,14 23,44 23,44 22,14 23,44
O
2
%
CO ppm
Flue gas non-return valve present yes yes yes yes yes
Temperature class for PP flue
ATAG A-Series
Combi Solo
5
4,7
100
Technical specifications Natural gas
empera
ure c
ass
or
u
Appliance type
Flue gas temp. CH (80/60°C on full load) °C 68 68 58,7 68 68
Flue gas temp. CH (50/30°C on low load) °C 31 31 30,5 31 31
Categories
Gas consumption G20 CH (DHW) (at 1013 mbar/15°C)
m
3
/h
1,91 (2,48) 3,05 (3,62) 3,05 (3,62) 1,91 3,05
Electr. power consumption max. W 77
84 91
77
84
Electr. power consumption part load W 28
29 29
28
29
Electr. power consumption stand by W 3,7 3,7 3,7 3,7 3,7
Current V/Hz
Degree of protection acc. EN 60529
Weight (empty) kg 37,5 42,5 45,5 34,5 39
Width mm 500 500 500 500 500
Height mm 650 870 870 650 870
Depth mm 395 395 395 395 395
Water content CH l 3,3 4,8 4,8 3,3 4,8
Water content DHW l 0,5 0,7 0,7
Overrun time pump CH sec
Overrun time pump DHW sec 20 20 20
Content expansion vessel l 8 12 12 8 12
Pre-charge pressure exp. Vessel bar 0,8 1 1 0,8 1
P
MS
Water pressure CH min./max.
bar
P
MW
Water pressure DHW min./max.
bar
1/3
B
23
B
33
C
13
C
33
C
43
C
53
C
63
C
83
C
93
1/8
II2H3P
230 +10 %-15 % / 50Hz
IPX4D (IPX0D for B
23
& B
33
)
60
Flow temperature max. °C
Pump type Grundfos UPM2 15-70 15-70 15-70 15-70 15-70
Available pump height CH kPa 25 25 25 25 25
DHW flow (at T = 35°C) l/min 9,3 14,3 15,0
DHW flow (at T = 28°C) l/min 11,6 17,9 18,8
Max. DHW temperature (T
in
=10°C)
°C 60 60 60
CE product identification number(PIN)
Technical specifications Propane gas
Boiler type A203C A325C A325ECX A200S A320S
Heat exchanger type OSS1 OSS2 OSS2 OSS1 OSS2
CO
2
%
10,4 10,4 10,4 10,4 10,4
O
2
% 5,1 5,1 5,1 5,1 5,1
Restriction diameter mm 4,15 5,2 5,2 4,15 5,2
Pre pressure mbar
Load (Gross) kW
16,5 (24,0) 28,8 (34,2) 28,8 (34,2) 16,5 28,8
Gas consumption kg/h
1,28 (1,86) 2,24 (2,70) 2,24 (2,70) 1,28 2,24
Gas consumption
m
3
/h
0,67 (0,98) 1,17 (1,39) 1,17 (1,39) 0,67 1,17
Modulation range(80/60°C) kW
9,8-16,2 15,7-28,2 15,7-28,2 9,8-16,2 15,7-28,2
Modulation range(50/30°C) kW
10,6-17,6 17,0-30,8 17,0-30,8 10,6-17,6 17,0-30,8
ErP specifications according to European Directive 2010/30/EU
see type plate propane
0063BT3195
85
Boiler type
A203C A325C A325ECX A200S A320S
Declared load profile DHW
XL XL XXL
Seasonal space heating energy efficiency class
Water heating energy efficiency class
AAA
Rated heat output of preferential heater (P
n
)
kW
18 28 29 18 29
Annual energy consumption (Q
HE
)
GJ
Annual power consumption (AEC)
kWh
49 54 53
Annual fuel consumption (AFC)
GJ
18 17 20
Seasonal space heating energy efficiency of the preferential heater (
s
)
%
93 94 94 93 94
Water heating energy efficiency (η
WH
)
%
83 84 93
Sound power level, indoors (L
WA
)
dB
39 49 49 39 49
Combi Solo
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Weight and Dimensions
