43
Technical features and dimensions
2.6 General characteristics
Description
um
KBS 24
KBS 32
CH nominal heat input
kW
23.7
30.4
Minimum heat input
kW
3.0
4.2
Maximum heat output (80-60°C) - CH
kW
22.9
29.4
Minimum heat output (80-60°C) - CH
kW
2.7
3.9
Maximum heat output (50-30°C) - CH
kW
24.9
32.3
Minimum heat output (50-30°C) - CH
kW
3.22
4.4
Minimum CH system pressure
bar
0.5
0.5
Maximum CH system pressure
bar
3.0
3.0
DHW maximum heat input
kW
27.3
34.5
DHW minimum heat input
kW
3.0
4.2
DHW circuit min. pressure
bar
0.5
0.5
DHW circuit max. pressure
bar
6.0
6.0
DHW specific flow rate (ΔT=25K)
l/min
16.1
19.4
DHW specific flow rate (ΔT=30K)
l/min
13.4
16.2
Qualification of domestic hot water - EN 13203-1
-
Draw capacity for 10 min. - EN 13203-1
l/min
13.4
16.2
Electric power supply – voltage / frequency
V - Hz
230 -50
230 -50
Power mains supply fuse
A
3.15
3.15
Maximum power consumption
KBS
W
105
115
KBS V
W
189
199
KBS Z
W
238
249
Pump absorption
KBS
W
46
46
KBS V
W
125
125
KBS Z
W
170
170
Electric protection rating
IP
X5D
X5D
Natural gas consumption at maximum CH output (Value referred to 15 °C - 1013
mbar)
cu. m/h
2.51
3.22
Propane gas consumption at maximum CH output
kg/h
1.84
2.36
Maximum CH working temperature
°C
83
83
Maximum DHW working temperature
°C
65
65
Heating expansion vessel total capacity
l
10
10
DHW expansion vessel total capacity
l
12
12
Maximum recommended system capacity (Maximum water temperature 83°C,
expansion vessel pressure 1 bar)
l
200
200
Tab. 4 General specifications