Appliance information
11
Worcester Commercial Boiler Series – 6720814332 (2019/04)
2.13
Specifications
Table 3 Specifications
The information in brackets corresponds to the information on the data
plate.
2.14
Product data on energy consumption
The product data on energy consumption can be found in the operating
instructions for the user.
2.15
Gas specification
Gas consumption
Table 4 Gas consumption
50-V2
65-V2
85-V2
100-V2
General Information
Unit
Rated output G20 (50/30 °C) [P
n
cond]
kW
14.3 – 49.9
14.3 – 69.5
20.8 – 84.5
20.8 – 99.5
Rated output G20 (80/60 °C) [P
n
]
kW
13.0 – 46.5
13.0 – 62.6
18.9 – 80.0
19.0 – 94.5
Rated input G20 [Q
n
(Hi)]
kW
13.3 – 47.5
13.3 – 64.3
19.3 – 82.0
19.3 – 96.5
Efficiency G20 (37/30 °C) partial load 30% in accordance with
EN 15502
%
108.3
108.4
109.4
109.5
Efficiency G20 (80/60 °C) full load
%
98.2
98.0
98.4
97.8
Standby loss in accordance with EN 15502
%
0.18
0.14
0.11
0.09
Pump over-run time
min
5
Residual head of fan (p
max
)
Pa
85
130
195
220
IP classification [IP rating]
IP X4D (B
23
, B
33
: X0D)
Flue categorisation (according to EN 15502)
B
23
, B
33
, C
13
, C
33
, C
43
, C
53
, C
63
, C
83
, C
93
Temperature classification in accordance with EN 14471
T120
Appliance fuse
230 V, 5AF
Mains voltage, frequency [U]
230 V, 50 Hz
Electrical power consumption (without a pump group),
standby / partial load / full load
W
6 / 18 / 41
6 / 18 / 82
6 / 25 / 102
6 / 25 / 155
Permissible ambient temperature
°C
0 - 40
Maximum flow temperature [T
max
]
°C
90
Maximum operating pressure [PMS]
bar
4
Maximum condensate accumulation rate
l/h
6.0
7.6
9.3
11.0
Connections
Flue gas connection/concentric air supply
mm
80/125
100/150
Heating flow/return pipe (boiler)
inch
G1½
Gas connection (boiler)
inch
R1
Condensate drain (flexible hose external diameter)
mm
24
Emission levels in accordance with EN 13384
CO
2
content with natural gas G20, partial load/full load
%
8.9 / 9.3
8.9 / 9.3
8.9 / 9.3
8.9 / 9.3
CO output G20 at full load
ppm
33
57
83
100
NO
x,pond, Hs
EN 15502 modulating Qn
mg/kWh
21
32
39
42
NO
x
class
5
Flue gas mass flow rate at max. rated output
g/s
22.2
29.8
37.7
43.8
Flue gas temperature at 80/60 °C, partial load/full load
°C
57 / 60
57 / 62
57 / 66
57 / 68
Flue gas temperature at 50/30 °C, partial load/full load
°C
34 / 39
34 / 39
34 / 49
34 / 53
Differential pressure gas/air (with partial load)
Pa
- 5
Dimensions and weight
Height x width x depth
mm
980 x 520 x 465
Height x width x depth including pump group
mm
1329 x 520 x 465
Weight (dry)
kg
70
Pump group
Heating flow pipe
inch
G1½
Heating return pipe, male thread with flat gasket
inch
G1½
Gas
inch
G 1
Electrical power consumption WILO Stratos PARA 25/1-8, min./max.
W
8 / 140
Maximum current drawn WILO Stratos PARA 25/1-8
A
0.95
Maximum gas consumption m³/h
Gas type
50-V2
65-V2
85-V2
100-V2
Natural gas E, H, E
s
(G20)
5.03
6.81
8.68
10.24
Propane 3P (G31)
1.80
2.48
3.19
3.76
