Installation Instructions

DHW heating
6 720 645 817 (2010/09)
68
Specification
T
Sp
Cylinder temperature
T
Z
DHW outlet temperature
Cylinder type Unit SK 300-3 ZB SK 400-3 ZB SK 500-3 ZB SK 800 ZB SK 1000-ZB
Heat exchanger
Heat transfer – Indirect coil Indirect coil Indirect coil Indirect coil Indirect coil
Number of coils – 10 13 17 32 32
Available capacity l 293 388 470 760 950
Heating water content l 10 12 14 36.1 42.1
Heating surface m
2
1.5 1.8 2.6 5.7 6.7
Performance factor N
L
1)
to
DIN 4708 at max. output
1) The performance factor N
L
corresponds to the number of residential units to be supplied, each with 3.5 occupants, one standard
bath tub and two further draw-off points.
– 8.7 13.5 17 35 45
Further details
Available amount of DHW
(without reheating)
2)
T
Sp
= 60 °C
and
- T
Z
= 45 °C
- T
Z
= 40 °C
2) Distribution losses outside the cylinder have not been taken into account.
l
l
365
426
482
563
584
682
1010
1178
1262
1473
Standby loss (24 h) to
DIN 4753 part 8
2)
kWh/d 2.2 2.5 3.1 4.6 4.8
Max. operating pressure, water bar 10 10 10 10 10
Max. operating pressure, heating bar 10 10 10
Weight (empty, excl. packaging) kg 135 150 170 310 414
Colour – White White White White White
Tab. 38