Appendix; Technical Data - Buderus 800-24 Installation And Servicing Instructions

6

Appendix

6.1

Technical data

Size
Type of gas category as per EN 437
Great Brittain
Rated thermal load
G20
Rated heating capacity
Heating curve 75/60 °C
Heating curve 40/30 °C
Seasonal efficiency (SEDBUK)
Boiler efficiency
Heating curve 75/60 °C (max. capacity)
Heating curve 40/30 °C (min. capacity)
Stand-by heat losses
Central heating installation
Min. circulation water volume
Heating water temperature
ΔT at residual head of 200 mbar
Max. operating overpressure boiler
Volume heat exchanger heating
circuit
Pump over-run time
Position 1
Position 2
Hot water circuit combination boilers
Volume hot water reservoir
Max. operating overpressure
hot water reservoir
Pump over-run time following
domestic hot water mode
Domestic hot water flow rate
at 60 °C
Stand-by heat losses in hot
water mode in 24 hours at
WW (DHW) = 60 °C
temp
Subject to modifications resulting from technical improvements !
Installation and servicing instructions condensing gas boiler 800 - 24/29/43/60 and 800 - 24T25/29T25 H/V • edition 02/2006
800 – 24 800 – 24T25
Unit
GB II
[kW] 6.6 – 22.0 6.6 – 22.0
[Btu/h] 22,520 – 75,060 22,520 – 75,060
[kW] 6.4 – 21.4 6.4 – 21.4
[Btu/h] 21,840 – 73,020 21,840 – 73,020
[kW] 7.0 – 23.4 7.0 – 23.4
[Btu/h] 23,880 – 79,840 23,880 – 79,840
%
90.0
[%] 97.3
[%] 107.0
[%] 0.60
l
[ / ] 150
h
[°C] 40 - 80
[K] approx. 15 approx. 18
[bar] 3
[l] 2.5
[min] 4
[h] 24
[l] –
[bar] –
[min] –
l
[ / ] –
min
[kWh] – approx. 1.6
800 – 29
H/V
20 mbar (natural gas H); 37 mbar (LPG)
2H3P
8.4 – 28.0
28,660 – 95,540 28,660 – 95,540
8.2 – 27.3
27,980 – 93,150 27,980 – 93,150
8.8 – 29.9
30,030 – 102,020 30,030 – 102,020
90.4 90.1
97.3 97.5
107.0 107.1
0.50 0.50
150 225
40 - 80 40 - 80
approx. 18
3 3
2.5 3.0
4 4
24 24
25 –
8 –
2 –
6.0 –
–
Appendix
800 – 29T25 800 – 43
H/V
8.4 – 28.0 12.1 – 40.2
41,285 – 137,162
8.2 – 27.3 11.8 – 39.3
40,260 – 134,090
8.8 – 29.9 12.9 – 42.9
44,015 – 146,375
90.5 90.3
97.5 97.8
107.1 107.0
0.50 0.40
225 300
40 - 80 40 - 80
approx. 18 approx. 22
3 3
3.0 3.6
4 4
24 24
25 –
8 –
2 –
8.0 –
approx. 1.6 –
Buderus • http://buderus-domestic.co.uk
6
800 – 60
GB I 20 mbar
2H
(natural gas H)
22.0 – 56.5
75,064 – 192,778
21.4 – 55.1
73,016 – 188,000
23.7 – 60.0
80,865 – 204,720
90.2
97.6
107.1
0.34
500
40 - 80
approx. 20
3
4.7
4
24
–
–
–
–
–
59