Worcester GREENSTAR HE combi Series User Manual

6 720 610 576 GB (03.02)
Details of the appliance
9
1.9 Technical data ZWB 7/11-25
ZWB 7-25 ZWB 11-25
Units Natural gas Propane
Max. rated heat output net 40/30˚C central heating
Max. rated heat output net 50/30˚C central heating
Max. rated heat output net 80/60˚C central heating
kW
kW
kW
29.1
28.8
27.2
29.1
28.8
27.2
Max. rated heat input net kW 27.5 27.5
Min. rated heat output net 40/30˚C
Min. rated heat output net 50/30˚C
Min. rated heat output net 80/60˚C
kW
kW
kW
8.4
8.3
7.4
11.6
11.4
10.5
Min. rated heat input net kW 7.6 10.8
Max. rated heat output net, domestic hot water kW 27.2 27.2
Max. rated heat input net, domestic hot water kW 27.5 27.5
Maximum gas flow rate – After 10 minutes from lighting
Natural gas G20 (CVnet 34.02 MJ/m
3
)m
3
/h 2.9 -
LPG (CVnet 88 MJ/m
3
) kg/h - 2.1
Gas supply pressure
Natural gas G20 (CVnet 34.02 MJ/m
3
) mbar 20 -
LPG (CVnet 88 MJ/m
3
) mbar - 37
Expansion vessel
Charge pressure bar 0.75 0.75
Total capacity l 10 10
Hot water specifications
Hot water flow rate (factory setting) l/min 8 8
Max. hot water flow rate l/min 14 14
Outlet temperature range ˚C 40 - 60 40 - 60
Max. permissible water supply pressure bar 10 10
Min. inlet pressure bar 0.2 0.2
Specific flow rate l/min 12.4 12.4
Flue
Flue gas temp. 80/60˚C, rated/min. load ˚C 67/55 67/55
Flue gas temp. 40/30˚C, rated/min. load ˚C 43/32 43/32
Residual delivery pressure
(inc. pressure drop in air intake duct) Pa 80 80
CO
2
level at max. rated heat output
CO
2
level at min. rated heat output
%
%
9.2
8.8
10.8
10.5
NO
x
-class 5 5
SEDBUK figure, Band A % 90.6 90.6
Condensate
Max. condensation rate (t
R
= 30˚C) l/h 2.3 2.3
pH-value, approx. 4.8 4.8
General Data
Electrical power supply voltage AC ... V 230 230
Frequency Hz 50 50
Max. power consumption W 101 101
Noise output level dB(A) 36 36
Appliance protection rating IP X4D X4D
Max. CH flow temperature ˚C nom. 90 nom. 90
Max. permissible operating pressure (CH) bar 2.5 2.5
Permissible ambient temperatures ˚C 0 - 50 0 - 50
Nominal capacity of appliance l 3.75 3.75
Weight (excluding packing) kg 46 46
Table 2

Worcester GREENSTAR HE combi Series Specifications

General

Brand	Worcester
Model	GREENSTAR HE combi Series
Category	Boiler
Language	English