Technical Data; Product Data For Energy Consumption; Regulations - Buderus Logalux SU400.5 Installations- Und Wartungsanleitung Für Den Fachmann

2.5

Technical Data

Dimensions and specifications
Pressure drop diagram
General description
Tilt height
Minimum room height for anode
replacement
Connection size, DHW
Connection size, cold water
Connection size, circulation
Inner diameter, test point, cylinder
temperature sensor
Inside diameter of handhole cover
Cylinder capacity
Useful capacity (overall)
1)
Usable DHW volume with DHW outlet
2)
temperature :
45 °C
40 °C
Standby heat loss (24 h) in accordance with
3)
DIN 4753 Part 8
Maximum flow rate at cold water inlet
Maximum DHW temperature
Maximum operating pressure, potable water
Maximum DHW test pressure
Heat Exchanger
Content
Surface area
Rating code N according to DIN 4708
L
Continuous output (at 80 °C flow
temperature, 45 °C DHW outlet temperature
and 10 °C cold water temperature)
Heating water volumetric flow rate
Heat-up time at rated output
5)
Maximum heat input
Maximum heating water temperature
Maximum operating pressure of heating
water
Connection size, heating water
1) Without solar thermal heating or recharging; set cylinder temperature 60 °C.
2) Mixed water at draw-off point (at 10 °C cold water temperature).
3) Distribution losses outside the DHW cylinder are not taken into account.
4) The rating code N =1 according to DIN 4708 for 3.5 persons, standard bath tub
L
and kitchen sink. Temperatures: cylinder 60 °C, DHW outlet temperature 45 °C
and cold water 10 °C. Measured at max. heat output. If the heat output is
reduced, N becomes smaller.
L
5) In the case of heat sources with a higher heat output, limit to the stated value.
Table 50 Technical Data
Logalux – 6721814241 (2020/03)
Unit SU400.5
 Fig. 2,
-
page 55
 Fig. 3,
-
page 56
mm 1955
mm 2100
DN R1"
DN R1"
DN R¾ "
mm 19.5
mm 120
l 375
l 536
l 625
kWh/24 h 1.7
l/min 38
°C 95
bar 10
(positive)
bar 10
(positive)
l 12.0
2
m 1.8
4)
N 13
L
kW 54.5
l/min 22
l/h 3500
min 41
KW 54.5
°C 160
bar 16
(positive)
DN R1"
2.6

Product data for energy consumption

The following product data satisfy the requirements of the EU
Regulations No. 811/2013 and No. 812/2013 supplementing EU
Regulation 2017/1369.
Manufacturers who implement these guidelines and state the ErP values
are permitted to use the "CE" mark.
Product Product type
number volume (V)
8732929605 SU400.5 S-B
Table 51 Product data for energy consumption
3

Regulations

Observe the following guidelines and standards:
• Local regulations
• EnEG (Building Regulations) (in Germany)
• EnEV (in Germany)
Installation of, and equipment for, heating and water heating systems:
• DIN and EN standards
– DIN 4753-1 – Water heaters ...; requirements, identification,
equipment and testing
– DIN 4753-3 – Water heaters ...; corrosion protection on the
water side with glass lining; requirements and testing
(product standard)
– DIN 4753-7 – Water heaters, containers with a volume up to
1000 l, manufacturing, thermal insulation and corrosion
protection requirements
– DIN EN 12897 – Water supply - regulation for ... DHW cylinders
(product standard)
– DIN 1988-100 – Technical rules for potable water installations
– DIN EN 1717 – Protection of potable water against pollution ...
– DIN EN 806-5 – Technical rules for potable water installations
– DIN 4708 – Central water heating systems
• DVGW
– Code of Practise W 551 – Potable water heating systems and
pipework; technical measures to inhibit the growth of legionella
bacteria in new systems; ...
– Code of Practise W 553 – Sizing DHW circulation systems ...
Product data for energy consumption
• EU Regulation and Directives
– EU Regulation 2017/1369
– EU Regulation 811/2013 and 812/2013
Regulations
Cylinder Heat Energy
retention efficiency
loss (S) class for
DHW
treatment
375,0 l 69,9 W B
3
41