Technical Specifications/Logs
75
Worcester 2000 – 6 721 814 551 (2019/09)
Table 34 Technical data Worcester 2000
13.2 Component resistance characteristics
13.2.1 Sensor values
Table 35 Flow temperature sensor
Table 36 DHW temperature sensor
Table 37 Outside temperature sensor (for weather-compensated
controllers, accessory)
13.3 Heating curve
Fig. 94 Heating curve
A End point (at the outside temperature – 10 °C)
AT Outdoor ambient temperature
B Base point (at the outside temperature + 20 °C)
max Maximum flow temperature
pA Flow temperature at the end point of the heating curve
pB Flow temperature at the foot point of the heating curve
S Automatic heating switch-off (summer mode)
VT Supply temperature
Lift weight (without front panel) kg 33.4 33.4
SEDBUK 2009 % 89.1 89.1
1) For minimum and maximum permissable pressure refer to “Gas pressure within the system”, section 6.6.
2) The Gas Rate provided assumes the accepted NG averaged calorific value of 34-9 MJ/m
3
net.
3) Appliances are fitted with a flow regulator set to achieve a 35°C temperature rise. A 40°C temperature rise is possible at lower flow rates.
4) Protection rating may change depending on the control unit/s used on this appliance.
Worcester 2000 7 736 902 027 7 736 902 028
Description Unit 25kW N.G. 30kW N.G.
Temperature [°C ± 10%] Resistance []
0 33 404
5 25 902
10 20 247
15 15 950
20 12 657
25 10 115
30 8 138
35 6 589
40 5 367
45 4 398
50 3 624
55 3 002
60 2 500
65 2 092
70 1 759
75 1 486
80 1 260
85 1 074
90 918
95 788
100 680
Temperature [°C] Resistance []
0 33 242
10 19 947
20 12 394
30 7 947
40 5 242
50 3 548
60 2 459
70 1 740
80 1 256
90 923
Temperature [°C] Resistance []
-40 ≥ 4 111
-30 3 218
-20 2 360
-10 1 650
0 1 122
10 759
20 515
30 354
40 247
50 ≤ 174
AT/°C
VT/°C
0 010 005 905-001
B
S
+20
max
pA
pB
-10
A
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