Worcester 24CDi BF User Manual

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
369
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

Worcester 24CDi BF Specifications

General

Model	24CDi BF
Category	Boiler
Type	Combi
Fuel Type	Gas
Output	24 kW
Flue Type	Balanced Flue
Mounting	Wall Mounted
Dimensions	760 x 440 x 360 mm
Warranty	2 years
Efficiency Rating	A
Hot Water Flow Rate	9.8 l/min