Buderus SU120/5, Installation And Maintenance Instructions Manual

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2 Product information
SU120/5, SU160/5, SU200/5, SU200/5E – 6 720 801 756 (2012/06)
22
2.4 Specification
Unit SU120/5 SU160/5 SU200/5 SU200/5E
General data
Dimensions
Æ
Fig. 1, page 98
Height when tilted mm 1160 1410 1625 1625
Minimum room height for anode replacement mm 1370 1650 1880 1880
Connections
Æ
Table 5, page 23
Connection size, DHW DN R1" R1" R1" R1"
Connection size, cold water DN R1" R1" R1" R1"
Connection size, DHW circulation DN R¾ " R¾ " R¾ " R¾ "
Internal diameter, test port, cylinder temperature sensor mm 19 19 19 19
Weight (dry, excl. packaging) kg 64 74 84 84
Total weight when filled kg 184 234 284 284
Cylinder capacity
Available capacity (total) l 120 160 200 200
Available amount of DHW
1)
DHW outlet temperature
2)
:
1) Without solar heating or reheating; selected cylinder temperature 60 °C
2) Mixed water at the draw-off point (at 10 °C cold water temperature)
45 °C l 163 217 271 271
40 °C l 190 253 317 317
Standby heat loss to DIN 4753 part 8
3)
3) Distribution losses outside the buffer cylinder are not taken into account.
kWh/24h 1,4 1,8 2,0 2,0
Maximum throughput, cold water inlet l/min 12 16 20 20
Maximum DHW temperature °C 95 95 95 95
Max. operating pressure, DHW bar (positive) 10 10 10 10
Highest design pressure (cold water) bar (positive) 7,8 7,8 7,8 7,8
Maximum DHW test pressure bar (positive) 10 10 10 10
Indirect coil
Contents l 4,8 6,0 6,0 6,0
Surface area m
2
0,7 0,9 0,9 0,9
Performance factor N
L
to DIN 4708
4)
4) The performance factor NL=1 to DIN 4708 for 3.5 occupants, standard bath tub and kitchen sink. Temperatures: cylinder 60 °C, outlet 45 °C and cold water 10 °C.
Measured at max. heat input. The N
L
drops with reduced heat input.
NL 1,4 2,6 4,2 4,2
Continuous output (at 80 °C flow temperature, 45 °C DHW outlet
temperature and 10 °C cold water temperature) kW
l/min
25
10,2
31,5
12,9 31,5
12,9 31,5
12,9
Heat-up time at rated output min 19 20 25 25
Max. heating with E-heating system, only for SU200/5E
5)
5) Limit to the stated value for heat sources with higher heat input.
kW - - - 6
Maximum heating water temperature °C 160 160 160 160
Max. heating water operating pressure bar (positive) 16 16 16 16
Connection size, heating water DN R1" R1" R1" R1"
Pressure loss diagram
Æ
Fig. 2, page 99
Table 4 Dimensions and specification (
Æ
Fig. 1, page 98 and Fig. 3, page 99)