71
3061344_201509
Specification
1)
Heating mode/DHW mode
2)
Relative to a cold water temperature of 10 °C
Type
CGB-11
CGB-20
CGB-K-20
CGB-24
CGB-K-24
Nominal output at 80/60 °C
Nominal output at 50/30 °C
Rated thermal load
Lowest output (modulating) at 80/60
Lowest output (modulating) at 50/30
Lowest thermal load (modulating)
kW
kW
kW
kW
kW
kW
10,0/14,6
1)
10,9
10,3/15,0
1)
3,2
3,6
3,3
19,0/22,9
1)
20,5
19,5/23,5
1)
5,6
6,1
5,7
19,0/22,9
1)
20,5/-
19,5/23,5
1)
5,6
6,1
5,7
23,1/27,6
1)
24,8/-
23,8/28,5
1)
7,1
7,8
7,3
23,1/27,6
1)
24,8/-
23,8/28
1)
7,1
7,8
7,3
SEDBUK
Naturalgas
LPG
band
band
B
-
B
B
B
B
B
B
B
B
SAP 2009 annual efficiency
Naturalgas
LPG
%
%
88.9
-
88.9
89.9
88.8
89.8
88.8
89.7
88.7
89. 7
Outside diameter heating flow
Outside diameter heating return
DHW connection
Cold water inlet
Gas connection
Air/flue gas connection
mm
mm
G
G
R
mm
20(G¾)
20(G¾)
¾
¾
½
60/100
20 (G¾)
20 (G¾)
¾
¾
½
60/100
20 (G¾)
20 (G¾)
¾
¾
½
60/100
20 (G¾)
20 (G¾)
¾
¾
½
60/100
20 (G¾)
20 (G¾)
¾
¾
½
60/100
Gas connection value:
Natural gas H (Hi = 9,5 kWh/m³=34,2MJ/m³)
LPG (Hi = 12,8 kWh/kg=46,1MJ/kg)
Gas supply pressure:
Natural gas
LPG
m
3
/h
kg/h
mbar
mbar
1,08/1,58
1)
-
20
-
2,05/2,47
1)
1,52/1,84
1)
20
50
2,05/2,47
1)
1,52/1,84
1)
20
50
2,50/3,00
1)
)
1,83/2,23
1)
20
50
2,50/3,00
1)
)
1,86/2,23
1)
20
50
Flow temperature, factory setting
Flow temperature, factory setting
Max. system pressure
Heating water heat exchanger water content
DHW throughput
Minimum flow pressure/Min. flow press. to EN625
Spec. water flow rate „D“ at
∆
T = 30 K
Max. design pressure
DHW temperature range
2)
DHW heat exchanger corrosion protection
°C
°C
bar
Ltr.
l/min
bar
l/min
bar
°C
75
90
3,0
1,3
-
-
-
-
-
-
75
90
3,0
1,3
-
-
-
-
-
-
75
90
3,0
1,3
2,0-6,5
0,2/1,0
9,4
10
40 - 60
stainless steel
75
90
3,0
1,3
-
-
-
-
-
-
75
90
3,0
1,3
2,0-8,0
0,2/1,0
13,0
10
40-60
stainless steel
Expansion vessel:
Total capacity
Inlet pressure
Ltr.
bar
12
0,75
12
0,75
12
0,75
12
0,75
12
0,75
Permissible sensor temperatures
Flue gas mass flow rate Qmax
Flue gas mass flow rate Qmin
Flue gas temperature 80/60 - 50/30 Qmax
Flue gas temperature 80/60 - 50/30 Qmin
Available gas fan draught Qmax
Available gas fan draught Qmin
Flue gas values to DVGW G 635
°C
g/s
g/s
°C
°C
Pa
Pa
95
4,7/6,8
1)
1,45
75-45
45-26
90
12
G
52
95
8,9/10,7
1)
2,62
75-45
36-27
90
12
G
52
95
8,9/10,7
1)
2,62
75-45
36-27
90
12
G
52
95
10,8/13,0
1)
2,7
85-45
43-41
90
12
G
52
95
10,8/13,0
1)
2,7
85-45
43-41
90
12
G
52
Fitted fuse (medium slow)
Fitted fuse (medium slow)
Power consumption with modulating pump class A pump
Power consumption with 3-stage-pump
V~/Hz
A
W
W
230/50
3,15
90
110
230/50
3,15
90
110
230/50
3,15
90
110
230/50
3,15
90
110
230/50
3,15
105
110
Protection
IPX4D
IPX4D
IPX4D
IPX4D
IPX4D
Total weight
kg
42
42
45
42
45
Condensate volume at 50/30°C
Condensate ph value
litres./h approx. 1,2
approx. 4,0
approx. 2,0
approx. 4,0
approx. 2,0
approx. 4,0
approx. 2,4
approx. 4,0
approx. 2,4
approx. 4,0
CE designation
CE 0085BN0380
