APPL
IA
N
C
E
IN
FOR
M
AT
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INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH
18/25kW
24.5
30
1
57
2.65
40
10
1
22
1
1
21.5
230
50
155
55/81
5
95
105
110
<100
92.9
20
120
4
TECHNICAL DATA
TECHNICAL DATA
8-716-106-256a (08.05)
DESCRIPTION
UNITS
Central Heating
Primary water capacity (total)
litres
Maximum static head
metres
Minimum static head
metres
Water side resistance (20°C difference)
mbar
Max. permissible sealed system operating pressure
bar
Flue
Exit flue gas mass flow
kg/hr
Pipework connections
Fuel line (compression)
mm
CH flow
inch BSP
CH return
mm
CH vent (Optional)
inch BSP
CH drain
inch BSP
Condensate (polypropylene)
mm
Electrical
Electrical power supply voltage
AC...V
Frequency
Hz
Max. power consumption
W
Thermostats
Boiler flow temperature range (cut in/cut out)
°C
CH control thermostat differential
°C
Boiler high limit thermostat set point
°C
Boiler manual reset overheat thermostat set point
°C
Flue reset overheat thermostat set point
°C
General Data
Maximum hearth temperature
°C
SEDBUK (Band A)
%
Appliance protection rating
IP
Weight (excluding packaging)
kg