Boiler type Q25C Q38C Q51C Q25S Q38S Q51S Q60S
Input Hs CH kW 25 38 51 25 38 51 60
Q
n
Input Hi CH
kW 22,5 34,2 45,9 22,5 34,2 45,9 54
Q
nw
Input Hi DHW
31,5
Efficiency class according BED
Efficiency according EN677
(36/30°C part load, Hi)
% 109,7 109,1 109,3 109,7 109,1 109,3 109,3
Efficiency according EN677
(80/60°C full load, Hi)
% 97,5 97,4 97,3 97,5 97,4 97,3 97,3
Modulation range CH
(capacity 80/60°C)
kW 6.0 - 21.9 6.0 - 33.3 8.8 - 44.7 4.4 - 21.9 6.0 - 33.3 8.8 - 44.7 8.8 -52.5
Modulation range CH
(capacity 50/30°C)
kW 6.8 - 23.9 6.8 - 36.3 9.8 - 48.7 4.9 - 23.9 6.8 - 36.3 9.8 - 48.7 9.8 - 57.3
Nox class EN483
CO
2
%
Flue gas temp. CH
(80/60°C on full load)
°C 68 69 70 68 69 70 70
Flue gas temp. CH
(50/30°C on low load)
°C
Gas consumption G20 CH (DHW)
(at 1013 mbar/15°C)
m
3
/h
2,38
(3,33)
3,62 4,86 2,38 3,62 4,86 5,71
Electr. power consumption max. W 106 165 150 106 165 150 168
Electr. power consumption stand by W
Current V/Hz
Fuse rating A
Degree of protection acc. EN 60529
Weight (empty) kg 79 79 89 50 53 64 64
Width mm 840 840 1000 500 500 660 660
Height mm
Depth mm
Water content CH l 5 5 7 3,5 5 7 7
Water content DHW l 14 14 14
After run time pump CH min
After run time pump DHW min 1 1 1
P
MS
Water pressure min./max.
bar
P
MW
Water pressure DHW max.
bar
Flow temperature max. °C
Pump type UPER 20-60 20-70 20-70 20-60 20-70 20-70 20-70
Available pump height CH kPa 29 20 32 22
Label
DHW flow (at 38°C) l/min 13,4 16,6 23,2
DHW flow (at 60°C) l/min 7,5 9,3 13
DHW temperature (T
in
=10°C)
°C 60 60 60
CE product identification number(PIN)
5
1/3
ATAG Q-Serie
9
31
5
385
5
8
0063BQ3021
Combi Solo
Sedbuk A rate
10
230/50
IPX0D
680
85