Technical Data - Worcester GREENSTAR 24i Junior Installation, Commissioning And Servicing Instructions

APPLIANCE INFORMATION
2.2

TECHNICAL DATA

DESCRIPTION
Domestic Hot Water
Minimum heat input
Maximum rated heat output
Maximum rated heat input (net)
Minimum DHW flow rate to activate the boiler
Gas flow rate - Max. 10 minutes from lighting
Natural Gas G20
Propane Gas (LPG)
Maximum mains inlet pressure
Minimum mains inlet pressure (working) for max. flow
Minimum mains inlet pressure (working) for operation
Domestic Hot Water temperature range
2) Max. Domestic Hot Water flow rate - 40 °C rise ± 15%
Central Heating
Maximum rated heat input (net)
Maximum rated heat output 40/30 °C
Maximum rated heat output 50/30 °C
Maximum rated heat output 80/60 °C
Maximum flow temperature
Maximum permissible operating pressure
Available pump head at 21 °C system temperature rise
Flue
Flue gas temperature 80/60 °C, rated/min. load
Flue gas temperature 40/30 °C, rated/min. load
CO level at max. rated heat output (after 30 minutes)
2
CO level at min. rated heat output (after 30 minutes)
2
NOx class
NOx rating
Condensate
Maximum condensate rate
pH value, approx.
Electrical
Electrical power supply voltage
Frequency
Maximum power consumption
Power consumption in standby mode.
General data
Appliance protection rating
Appliance protection rating with mechanical or RF mechanical timer or
FW100 module fitted
Permissible ambient temperatures
Nominal capacity of appliance
Noise output level (Max central heating)
Total boiler weight
Lift weight
SEDBUK 2005
SEDBUK 2005
SEDBUK 2009
1) The low NOx code plugs for the 24i and 28i Junior are available as an optional accessory.
24i Junior code plug kit number -7 716 192 356- 28i Junior code plug kit number - 7 716 192 357
2) Greenstar i Junior combi boilers are fitted with a flow regulator set to achieve a 40°C temperature rise. This ensures comfortable bathing during the colder winter months.
6
NATURAL GAS
Low NOx
24i 24i & 28i
UNIT junior junior
kW 7.00
kW 24
kW 24.49
Low NOx
l/min 3
only applies
to Central
Heating
m³/h 2.59
kg/h -
bar 10
bar 1.3
bar 0.2
°C 40 - 60
l/min. 8.6
kW 24.62 13.4
kW 25.67 13.97
kW 25.45 13.85
kW 24 13
°C 82 82
bar 2.5 2.5
m 2.0 2.0
°C 78/63 66/57
°C 54/35 43/35
% 9.8 9.8
% 8.8 8.8
5 5
mg/kWh 66 38
l/h 2.0 1.02
4.8 4.8
a.c. V 230
Hz 50
W 140
W 3.5
IP X4D
IP 20
°C 0 - 50
litre 3.9
dBA 42
kg 37.5
kg 26.2
band A
% 90.1
% 89.1
LPG
1)
28i 24i 28i
junior junior junior
7.00 9.64 9.64
28 24 28
28.57 24.49 28.57
3 3 3
3.02 - -
- 1.9 2.22
10 10 10
1.3 1.3 1.3
0.2 0.2 0.2
40 - 60 40 - 60 40 - 60
10 8.6 10
24.62 24.62 24.62
25.67 25.67 25.67
25.45 25.45 25.45
24 24 24
82 82 82
2.5 2.5 2.5
2.0 2.0 2.0
78/64 79/64 79/65
54/36 55/38 55/39
9.8 11.0 11.0
8.8 10.5 10.5
5 5 5
66 69 69
2.0 2.0 2.0
4.8 4.8 4.8
230 230 230
50 50 50
140 140 140
3.5 3.5 3.5
X4D X4D X4D
20 20 20
0 - 50 0 - 50 0 - 50
3.9 3.9 3.9
42 42 42
37.5 37.5 37.5
26.2 26.2 26.2
A A A
90.1 91.8 91.8
89.1 90.1 90.1
6 720 802 047 (2013/05)