5. Technical
Information.
T
T
a
a
b
b
l
l
e
e
1
1
D
D
i
i
m
m
e
e
n
n
s
s
i
i
o
o
n
n
s
s
&
&
C
C
o
o
n
n
n
n
e
e
c
c
t
t
i
i
o
o
n
n
s
s
Product Identification Number
CE ~ 0063 AT3070
Dimensions (H x W x D)
600mm x 360mm x 300mm
Heating Circuit Connections
15mm
Gas Connection
15mm
Condense Drain Connection
15mm
Air Supply/Flue Connections
60mm-60mm (eccentric) 125/80mm (concentric)
T
T
a
a
b
b
l
l
e
e
2
2
H
H
e
e
a
a
t
t
i
i
n
n
g
g
S
S
p
p
e
e
c
c
i
i
f
f
i
i
c
c
a
a
t
t
i
i
o
o
n
n
s
s
Models H, HS and S
EC25
Nominal Input To Heating
kW
7.2 – 24.5
Maximum Rated Input (S Type combi only)
kW 28
Nominal Output To Heating 80/60
0
C
kW
7.1 – 24.2
Nominal Output To Heating 50/30
0
C
kW
7.9 – 25.9
CO
2
%
content at min/max load
CO
2
%
8.2 – 8.8%
Dew Point of Flue Gases
0
0
C 52
Flue Gas Temp @ 80/60
0
C (Amb 20
0
C)
0
0
C <70
o
C
* Maximum Flue Resistance
Pa 185
pH value of condensate water
PH 4-5.5
Maximum Flow Temperature
0
0
C 90
Min/Max filling pressure
bar
1.0 - 3.0
Efficiency @ 80/60
0
C
%
91.0 – 89.0 % (partial load – full load)
Efficiency @ 50/30
0
C
%
98.0 – 95.1 % (partial load – full load)
**Efficiency @ 50/30
0
C
%
109 – 106.1% (partial load – full load)
Hot water efficiency in accordance with
CW-test measured over 24 hours
% 85
EPC
% 95.1
*
At this resistance, the load will remain within the limits indicated on the data plate.
**
European calculation methods are based on efficiency of 100% in units that do not
condense the flue gases, and of 110% in condensing units.
T
T
a
a
b
b
l
l
e
e
3
3
C
C
a
a
p
p
a
a
c
c
i
i
t
t
i
i
e
e
s
s
&
&
W
W
e
e
i
i
g
g
h
h
t
t
s
s
Model
EC25
Heating Water Capacity
litres 1.5
Heating Water Coil Capacity (S models)
Litres 3.1
Weight (empty)
Kg 35
Page 10
ECO HOMETEC
(
UK
)
LTD
.
