Buderus SU 300/5 [21/116] Product information

Buderus SU 400/5 [21/116] Product information
2 Product information
SU300/5 | SU400/5 – 6 720 800 019 (2015/04)
21
2 Product information
2.1 Intended use
The DHW cylinder is designed for heating and storing potable water.
Observe all regulations, guidelines and standards regarding potable
water that are applicable in your country.
Heat the DHW cylinder via the solar circuit exclusively using solar fluid.
Only install this DHW cylinder in sealed unvented systems.
Any other use is considered inappropriate. Any damage resulting from
inappropriate use is excluded from liability.
2.2 Data plate
The data plate is located at the top of the rear of the DHW cylinder and
includes the following details:
2.3 Standard delivery
DHW cylinder
Installation and maintenance instructions
2.4 Specification
Potable water requirements Unit
Water hardness, min. ppm
grain/US gallon
°dH
36
2.1
2
pH value, min. – max. 6.5 – 9.5
Conductivity, min. – max. μS/cm 130 – 1500
Table 2 Potable water requirements
Pos. Description
1Model designation
2 Serial number
3Actual content
4 Standby heat loss
5 Volume heated by immersion heater
6 Year of manufacture
7 Corrosion protection
8 Max. DHW cylinder temperature
9 Max. flow temperature, heat source
10 Max. flow temperature, solar
11 Connected electrical load
12 Heating water heat input
13 Heating water throughput for heating water heat input
14 With 40 °C drawable volume, heated electrically
15 Max. operating pressure, DHW side
16 Highest design pressure
17 Max. operating pressure, heat source side
18 Max. operating pressure, solar side
19 Max. operating pressure, DHW side, CH
20 Max. test pressure, DHW side, CH
21 Max. DHW temperature with electric heating
Table 3 Data plate
Unit SM300/5 SM400/5(E)
General data
Dimensions Fig. 1, page104
Height when tilted mm 1655 1965
Minimum room height for anode replacement mm 1850 2100
Connections Table 5, page22
Connection size, DHW DN R1" R1"
Connection size, cold water 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 105 119
Total weight when filled kg 405 509
Cylinder capacity
Available capacity (total) l 300 390
Available amount of DHW
1)
DHW outlet temperature
2)
:
45 °C l 429 557
40 °C l 500 650
Standby heat loss to DIN 4753 part 8
3)
kWh/24h 1,94 2,12
Maximum throughput, cold water inlet l/min 30 39
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
Indirect coil
Contents l 8,8 12,1
Surface area m
2
1,3 1,8
Performance factor N
L
to DIN 4708
4)
NL 7,8 12,5
Table 4 Dimensions and specification (
Fig. 1, page 104 and Fig. 3, page 105)

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