Technical Specifications/Logs
Worcester 2000 – 6 721 814 551 (2019/09)
74
13 Technical Specifications/Logs
13.1 Technical data
Technical data table - Worcester 2000
Worcester 2000 7 736 902 027 7 736 902 028
Description Unit 25kW N.G. 30kW N.G.
Gas flow maximum rate - 10 minutes from lighting
Gas inlet pressure (nominal)
1)
mbar 20.0 20.0
Natural gas
2)
m
3
/h 2.60 3.05
Central Heating (CH)
Maximum rated heat input (net) (Q
max
) kW 20.4 20.4
Maximum rated heat output 40/30 °C kW 21.4 21.4
Maximum rated heat output 50/30 °C (P
cond, max
) kW 21.2 21.2
Maximum rated heat output 80/60 °C (P
max
) kW 20.0 20.0
Minimum rated heat input (net) (Q
min
) kW 4.9 4.9
Minimum rated heat output 40/30 °C kW 5.3 5.3
Minimum rated heat output 50/30 °C (P
cond, min
) kW 5.3 5.3
Minimum rated heat output 80/60 °C (P
min
) kW 4.8 4.8
Maximum flow temperature °C 86 86
Maximum flow temperature possible °C 82 82
Maximum permissible operating pressure (PMS) bar 3.0 3.0
Available pump head at 20 °C system temperature rise m 2 2
Domestic Hot Water (DHW)
Minimum heat input kW 4.9 4.9
Maximum rated heat input (net) (Q
n
W) kW 25.5 30
Maximum rated heat output (P
n
W) kW 25.0 29.5
Maximum mains inlet pressure (standing pressure PMW) bar 10 10
Minimum mains inlet pressure (working) for max. flow bar 1.5 1.5
Minimum mains inlet pressure (working) for operation bar 0.3 0.3
Minimum required flow to activate DHW demand l/min 2.5 2.5
DHW temperature range °C 35 - 60 35 - 60
Maximum cold water inlet temperature °C 23 23
Maximum DHW flow rate - 35 °C rise ± 15%
3)
l/min 10 12
Maximum DHW flow rate - 40 °C rise ± 15% l/min 9 10.8
Flue
Flue gas temperature max. load DHW demand °C 70 75
Flue gas temperature 80/60 °C, rated/min. load °C 66/58 66/58
Flue gas temperature 40/30 °C, rated/min. load °C 48/35 48/35
CO
2
level at max. rated heat output (after 10 minutes) % 9.6 9.6
CO
2
level at min. rated heat output (after 10 minutes) % 8.6 8.6
NOx Class 6 6
NOx rating (EN 15502-1) mg/kWh 39 39
Condensate
Maximum condensate rate l/h 1.7 1.7
pH value, approx. 4.8 4.8
Electrical
Electrical power supply voltage a.c. V 230 230
Frequency Hz 50 50
Maximum power consumption (running) W 90 110
Maximum power consumption (stand-by) W 3 3
Energy efficiency index (EEI) heating pump ≤ 0.2 ≤ 0.2
General data
Expansion vessel capacity l 6 6
Expansion vessel pre-charge pressure bar 0.75 0.75
Appliance protection rating
4)
IP X4D X4D
Permissible ambient temperature short-term/long-term °C 0-50/40 0-50/40
Nominal capacity of the appliance l 7 7
Total package weight kg 40 40
Total appliance weight (excluding packaging) kg 36 36
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