Buderus SF300.5, Installation And Maintenance Instructions Manual

Page: 10 / 56

3 Regulations
SF300/5, SF400/5 – 6 720 800 028 (2012/05)
10
2.4 Specification
2.5 Product description
3 Regulations
Observe the following directives and standards:
•
Local regulations
•
EnEG (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 through enamel coating; requirements and testing (product
standard)
–
DIN 4753-6 – Water heating systems ...; cathodic corrosion
protection for enamelled steel cylinders; requirements and testing
(product standard)
–
DIN 4753-8 – Water heaters ... , part 8: Thermal insulation of DHW
cylinders up to 1000 l nominal capacity – requirements and testing
(product standard)
–
DIN EN 12897 – Water supply - regulation for ... DHW cylinders
(product standard)
–
DIN 1988 – Technical rules for potable water installations
–
DIN EN 1717 – Protection of potable water against contamination
...
–
DIN EN 806 – Technical rules for potable water installations
–
DIN 4708 – Central DHW heating systems
•
DVGW
–
Code of practice W 551 – Potable water heating systems and
pipework; technical measures to inhibit the growth of legionella
bacteria in new systems; ...
–
Code of Practice W 553 – Sizing DHW circulation systems ... .
Unit SF300/5 SF400/5
General data
Dimensions
Æ
Fig. 1, page 44
Tilted dimension without LAP
1)
1) Charging system with top-mounted plate heat exchanger
mm 1655 1965
Tilted dimension with LAP mm 1810 2120
Minimum room height for anode replacement without LAP mm 1850 2100
Minimum room height for assembly with LAP
2)
2) In case of insufficient room height, introduce charging pipes into the DHW cylinder lying on the side, then setting them up together with the storage tank. Then locate
and install the LAP.
mm 2070 2635
Connections
Æ
Tab. 9, page 44
Connection size, DHW DN R1" R1"
Connection size, cold water DN R1" R1"
Connection size, charging system DN R1" R1"
Connection size, DHW circulation DN R¾ " R¾ "
Internal diameter, test port, cylinder temperature sensor mm 19 19
Weight (dry, excl. packaging) kg 92 103
Total weight when filled kg 392 503
Cylinder capacity (without LAP)
Available capacity (total) l 300 400
Available amount of DHW at DHW outlet temperature
3)
:
3) Mixed water at the draw-off point (at 10 °C cold-water temperature)
45 °C l 429 557
40 °C l 500 650
Standby heat loss to DIN 4753 part 8
4)
4) Distribution losses outside the buffer cylinder are not taken into account.
kWh/24h 1.82 2
Maximum throughput, cold water inlet l/min 30 40
Maximum DHW temperature °C 95 95
Max. operating pressure, DHW bar (positive) 10 10
Highest design pressure (cold water) bar (positive) 7.8 7.8
Maximum DHW test pressure bar (positive) 10 10
Table 4 Dimensions and specifications ( Æ Fig. 1, page 44 and Fig. 2, page 45)
Pos. Description
1 Hot water outlet
2 Socket for charging system connection
3 DHW circulation connection
4 Sensor well for temperature sensor (activation sensor)
5 Sensor well for temperature sensor (deactivation sensor)
6 Cold water inlet
7 Inspection apertures for service and cleaning at the front
8 Cylinder, enamelled steel
9 Magnesium anode with electrical insulation
10 PS casing lid
11 Casing, painted sheet metal with rigid polyurethane foam
insulation, 50 mm
Table 5 Product description ( Æ Fig. 2, page 45 and Fig. 10, page 47)