5
PERFORMANCE SPECIFICATIONS
PRIMARY WATER CAPACITY
2.0 litres
MAXIMUM MAINS INLET PRESSURE
10 bar
MINIMUM MAINS INLET PRESSURE (working) for max. hot water flow
1.2 bar
MINIMUM MAINS INLET PRESSURE (working) to operate appliance
0.7 bar
MAXIMUM CENTRAL HEATING FLOW TEMPERATURE
82°C nom
MAXIMUM CENTRAL HEATING SYSTEM SET PRESSURE
1.5 bar
DOMESTIC HOT WATER TEMPERATURE RANGE
50 - 62°C
OUTPUT TO DOMESTIC HOT WATER NATURAL GAS (G20)
9.0 - 24 kw
OUTPUT TO CENTRAL HEATING NATURAL GAS (G20)
9.0 - 24 kw
DOMESTIC HOT WATER SPECIFIC RATE AT 30° RISE
12.4 l/min
MAXIMUM DOMESTIC HOT WATER FLOW RATE FROM APPLIANCE AT 40° RISE
9.0 l/min
NOx CLASSIFICATION
Class 3
Table 5
DOMESTIC HOT WATER - TEMPERATURE RISE
DISCHARGE RATE l/min 7 8 9 10
TEMPERATURE RISE °C 49 42.9 38.1 34.3
Table 6
GAS SUPPLY SYSTEM - BASED ON NG (G20)
TOTAL LENGTH OF GAS SUPPLY PIPE meters
3
6
9
GAS DISCHARGE RATE m3/h
PIPE DIAMETER mm
2.9
-
-
15
8.7
5.8
4.6
22
18.0
12.0
9.4
28
Table 7
CLEARANCES (mm)
INSTALLATION
SERVICE
ABOVE APPLIANCE
100
100
IN FRONT OF APPLIANCE
600
600
BENEATH APPLIANCE 200
200
RIGHT AND LEFT HAND SIDE 10
10
Table 8
SYSTEM CAPACITY WITH A 10 LITRE VESSEL
TOTAL SYSTEM VOLUME
litres
INITIAL
INITIAL CHARGE PRESSURE bar
PRESSURE bar
0.5
1.0 1.5
1.0
72
92
n/a
1.5
39
53
64
Table 9
Summary of Contents for 24CDi BF
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