7
Installation and maintenance manual ecoTEC
Technical data
ecoTEC plus
ecoTEC pro
828
Units
823
831
CH heat output range
80 °C flow/60 °C return
60 °C flow/40 °C return
50 °C flow/30 °C return
40 °C flow/30 °C return
6.0 – 18.0
6.1 – 18.6
6.3 – 19.1
6.5 – 19.5
8.7 – 24.0
9.0 – 24.7
9.3 – 25.5
9.4 – 26.0
8.7 – 24.0
9.0 – 24.7
9.3 – 25.5
9.4 – 26.0
kW
kW
kW
kW
Drinking water capacity
23.0
31.0
28.0
kW
Maximum thermal load during drinking water heating
23.5
31.6
28.6
kW
Maximum thermal load for heating
18.4
24.5
24.5
kW
Minimum thermal load
6.1
8.9
8.9
kW
Category
II
2H3P
SEDBUK
A
A
A
Band
Inlet gas working pressure required (G20, natural gas)
20
mbar
Inlet gas working pressure required (G31, Propane)
37
mbar
Connected load (if needed, related to stored charge/
water heating) at 15 °C and 1013 mbar
G20: 1.9
G31: 1.43
G20: 3.3
G31: 2.45
G20: 3.0
G31: 2.22
m
3
/h
kg/h
Exhaust mass rate
at minimum thermal load (40 °C flow/30 °C return)
at maximum thermal load (80 °C flow/60 °C return)
2.8
8.3
4.1
14.2
4.1
12.9
g/s
g/s
Exhaust temperature
at minimum thermal load (40 °C flow/30 °C return)
at maximum thermal load (80 °C flow/60 °C return)
40
70
°C
°C
Standard efficiency factor in compliance with DIN 4702,
T.8 (related to rated thermal output setting)
75 °C flow/60 °C return
40 °C flow/30 °C return
107
109
%
%
Rated efficiency (stationary)
80 °C flow/60 °C return
60 °C flow/40 °C return
50 °C flow/30 °C return
40 °C flow/30 °C return
98
101
104
106
%
%
%
%
30 % efficiency
108
%
NOx class
5
Protection class
IP X4D
max. flow temperature
85
°C
Adjustable flow temperature
Default setting: max. 75 °C
40 – 85
°C
Permitted total overpressure
3.0
bar
Circulation water volume (
∆
T=20 K)
774
1032
1032
l/h
Approx. condensation volume
at 40 °C flow/30 °C return heating
1.7
2.2
2.2
l/h
Pump delivery height
250
mbar
Minimum drinking water volume
1.5
1.5
1.5
l/min
Hot water volume (
∆
T=30 K)
11.0
14.8
13.4
l/min
Permitted overpressure
10
bar
Required connecting pressure
0.35
bar
Hot water discharge temperature range
35 – 65
°C
Exhaust nozzles
60/100
mm
10 l expansion vessel pre-charge pressure
0.75
0.75
0.75
bar
Maximum CH system pressure
2.5
2.5
2.5
bar
Connections heating flow/return
3/4“
3/4“
3/4“
Gas inlet
15
15
15
mm
Pressure relief discharge pipework (min.)
15
15
15
mm
Condensate drain (min. internal drain)
19
19
19
mm
Weight
41
kg
Primary water content
1.9
2.3
2.1
l
Electrical supply voltage
230/50
230/50
230/50
V ~/Hz
Internal fuse (slow) main voltage
2
A
Power input min.
max.
at 30 % efficiency
70
130
65
W
W
W
Table 2.2 Technical data 800 series
Boiler specifications 2
Содержание ecoTEC plus SERIES
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