60
3062347_0309
Specification
Type
CGU-2(K) 18
CGU-2(K) 24
Rated output
kW
18
24
Rated thermal load
kW
20.2
26.5
Lowest output (modulating)
kW
8.0
10.9
Lowest thermal load (modulating)
kW
8.8
12.0
Standard efficiency at 75/60 °C (Hi/Hs)
%
93/85
94/85
Outside diameter, heating flow
G
¾"
¾"
Outside diameter, heating return
G
¾"
¾"
DHW connection (or cylinder connection)
G
¾"
¾"
Cold water connection (or cylinder connection)
G
¾"
¾"
Gas connection
G
¾"
¾"
Balanced flue connection
mm
110
130
Gas supply details:
Natural gas H (H
i
= 9.5 kWh/m³ = 34.2 MJ/m³)
LPG P (H
i
= 12.8 kWh/kg = 46.1 MJ/kg)
m
3
/h
kg/h
2.1
1.5
2.8
2.1
Gas supply pressure:
Natural gas
LPG P
mbar
mbar
20
50
20
50
Flow temperature (setting range)
°C
40-90
40-90
Heating water temperature range ( preselected )
°C
40-80
40-80
Max. overall pressure, heating
bar
3
3
Heating water heat exchanger
2)
water content
l
0.5
0.5
Residual pump head: Pump stage 1/2/3
430 l/h supply volume (10 KW at
∆
t = 20 K) mbar
770 l/h supply volume (18 KW at
∆
t = 20 K) mbar
1 030 l/h supply volume (24 KW at
∆
t = 20 K) mbar
mbar
250/250/250
180/250/250
- / - / -
250/250/250
160/250/250
- /210/250
Specific water throughput D at
∆
t = 30 K
l/min
8.7
11.7
DHW throughput
2)
(version IT, ES)
l/min
2.7-6 (9)
2.7-8 (12)
Minimum flow pressure / for 95% Q
max
2)
bar
0.27 / 0,9
0.27 / 0,9
Max. permissible overall pressure
bar
10
10
DHW temperature range *
°C
40-60 (65)
40-60 (65)
Expansion vessel
Total capacity
Inlet pressure
l
bar
10
0.75
10
0.75
Flue gas mass flow rate
1)
g/s
12.8 / 13.9
15.0 / 19.0
Flue gas temperature
1)
°C
80 /123
80 /125
Required boiler draught
Pa
1.5
1.5
Flue gas group according to DVGW G 635
-
-
NOx class
5
5
Flue gas monitoring delay
min
15
15
Electrical connection
V~/Hz
230/50
230/50
In-built safeguard, connection/circuit board
A
3.15 mT
3.15 mT
Power consumption / standby
W
83 / 6
83 / 6
Protection
IPX 4D
IPX 4D
Total weight (dry)
kg
39
41
CE ID
CE-0085BS0516
1)
Q
B_Min
/ Q
B_Rated
at 80/60 °C at the boiler connection
2)
Applies only to combi boiler versions CGU-2 K and CGG-2 K
* Only use temperatures above 60 °C under controlled conditions, as there is a risk of scalding.
Содержание CGG-2-18
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