3 4
3062087_0207
Type
CGG-1K-24
CGG-1K-28
Rated output
kW
24
28
Rated thermal load
kW
26.7
31.1
Lowest output (modulating)
kW
9.4
10.9
Lowest thermal load (modulating)
kW
10.4
12.0
Heating flow
G
¾"
¾"
Heating return
G
¾"
¾"
DHW connection
G
¾"
¾"
Cold water connection
G
¾"
¾"
Gas connection
R
¾"
¾"
Air / flue gas connection
mm
100/60
100/60
Gas supply details:
Natural gas H (Hi = 9.5 kWh/m³ = 34.02 MJ/m³)
m³/h
2.8
3.3
LPG B/P (Hi = 12.9 kWh/kg = 46.3 MJ/kg)
kg/h
2.1
2.4
Gas supply pressure:
Natural gas H
mbar
20
20
LPG B/P
mbar
50
50
Flow temperature
°C
40-90
40-90
Heating water temperature range (pre-selected)
°C
40-80
40-80
Max. overall pressure, heating
bar
3
3
Heating water heat exchanger content
l
0.5
0.5
Residual pump head / stage 1 / 2 / 3
Rated output (
∆
t = 20 K)
mbar
- / 220 / 320
- / 120 / 210
Specific throughput D to
∆
t = 30 K
l/min
11.5
14.4
DHW throughput (version IT, ES)
l/min
2-8 (12)
2-8 (12)
Minimum flow pressure / minimum flow pressure to EN 625
bar
0.2 / 0.9
0.2 / 0.9
Max. permissible overall pressure
bar
10
10
DHW temperature range
°C
40-60
40-60
Expansion vessel
Total capacity
l
8
8
Inlet pressure
bar
0.75
0.75
Flue gas volume flow
1)
g/s
13.8 / 14.9
17.2 / 18.2
Flue gas temperature
1)
°C
125-165
125-165
Required boiler draught
Pa
0
0
Flue gas category to DVGW G 635
U
02
U
02
Electrical connection
V~/Hz
230/50
230/50
Integral fuse A
3.15
3.15
Power consumption
W
120
120
Protection
IPX 4D
IPX 4D
Total weight (dry)
kg
40
42
CE ID
CE0085BR0377
CE0085BR0377
1)
Q
B_Min
/ Q
B_Rated
at 80/60 °C at the boiler connection
Specification