Atag Q 25S Installation & Servicing Instructions

Installation & Servicing Instructions ATAG Q-Series
41
Annex A Technical specications
Technical specifications Natural Gas
Boiler type Q25C Q38C Q51C Q25S Q38S Q51S Q60S
Type of heat exchanger OSS2 OSS2 OSS3 OSS1 OSS2 OSS3 OSS4
Input CH Net kW 25 38 51 25 38 51 60
Q
n
Input CH Gross
kW 22,5 34,2 45,9 22,5 34,2 45,9 54
Q
nw
Input DHW Gross
31,5 34,2 45,9
Efficiency class according BED       
Efficiency according EN677 (36/30°C part load, Gross) % 109,7 109,1 109,3 109,7 109,1 109,3 109,3
Efficiency according EN677 (80/60°C full load, Gross) % 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
Nox according to EN483 and EN15420 (year measurement) mg/kWh 19,03 26,05 22,55 22,31 26,05 22,55 31,58
Nox at 0% O
2
according to EN483 and EN15420
mg/m
3
21,69 29,7 25,71 25,43 29,7 25,71 36
Nox at 3% O
2
according to EN483 and EN15420
mg/m
3
18,65 25,53 22,10 21,86 25,53 22,10 30,00
O
2
%
CO ppm
Flue gas non-return valve present no no no no no no no
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 104 133 136 104 133 136 155
Electr. power consumption stand by W
Current V/Hz
Fuse rating A
Degree of protection acc. EN 60529
Weight (empty) kg 73 73 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 Grundfos UPM2 20-70 20-70 20-70 20-70 20-70 20-70 20-70
Available pump height CH kPa 25 20 * 25 20 * *
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)
*Low velocity header required
1/3
ATAG Q-Series
4,7
31
5
385
5
Combi Solo
100
Sedbuk A rate
10
230/50
IPX0D
680
85
5
0063BQ3021
8
Technical specifications Propane Gas
Boiler type Q25C Q38C Q51C Q25S Q38S Q51S Q60S
Type of heat exchanger OSS2 OSS2 OSS3 OSS1 OSS2 OSS3 OSS4
CO
2
% 10,5 10,5 10,5 10,5 10,5 10,5 10,5
O
2
% 5,1 5,1 5,1 5,1 5,1 5,1 5,1
Restriction diameter mm 5,2 5,2 5,7 4,15 5,2 5,7 5,7
Display indication 25.tP 38.tP 51.tP 25.P 38.P 51.P 60.P
Pre pressure mbar
Load (Gross) kW 22.5/31.5 34,2 45,9 22,5 34,2 45,9 54
Gas consumption kg/h 1,80 2,74 3,68 1,96 2,74 3,68 4,33
Gas consumption m
3
/h 0,92 1,40 1,88 0,92 1,40 1,88 2,21
Modulation range(80/60°C) kW 15,6 - 21,9 15,6 - 33,3 19,5 - 44,7 9,8 - 21,9 15,6 - 33,3 19,5 - 44,7 19,5 - 52,5
Modulation range(50/30°C) kW 17,5 - 23,9 17,5 - 36,3 21,9 - 48,7 11,0 - 23,9 17,5 - 36,3 21,9 - 48,7 21,9 - 57,3
ErP specificaties volgens Europese Richtlijn 2010/30/EU
Boiler type Q25C Q38C Q51C Q25S Q38S Q51S Q60S
Declared load profile DHW
L XL XL
Seasonal space heating energy efficiency class A A A
AAAA
Water heating energy efficiency class
A AB
Rated heat output of preferential heater (P
n
)
kW
22 33 45 22 33 45 53
Annual energy consumption (Q
HE
)
GJ
7 11 15 7 11 15 17
Annual power consumption (AEC)
kWh
82 93 85
Annual fuel consumption (AFC)
GJ
19 23 24
(η
s
)
%
93 93 93 93 93 93 93
Water heating energy efficiency (η
WH
)
%
80 80 78
Sound power level, indoors (L
WA
)
dB
47 50 54 47 50 54 57
ATAG Q-Series
Combi Solo
see type plate propane

Atag Q 25S Specifications

General

Brand	Atag
Model	Q 25S
Category	Boiler
Language	English