Selection Of A Suitable Dhw Cylinder For Detached Houses And Two-Family Homes As Well As Apartments - Buderus Logamax plus GB162 Technical Manual

5 DHW heating
5.5 Selection of a suitable DHW cylinder for detached houses and two-family homes as
well as apartments
The size of the required DHW cylinder depends on the
DHW demand.
Draw-off point Bath tub 140 l
10 l/min (10 min)
Bath tub 140 l
S135 RW
10 l/min (10 min)
S120 W
Bath tub 160 l
S160 RW
14 l/min (10 min)
SU160 W
Economy
shower
6 l/min
S135 RW
(8 min)
Standard
shower
10 l/min
S135 RW
(8 min)
Standard
shower
12 l/min
S160 RW
(9 min)
SU160 W
Basin,
S120 W
Washst
and
S135 RW
3 l/min (6 min)
Table 19 Selection of a suitable DHW cylinder
Suitable for ≥ 25 kW boiler output
Suitable for ≥ 15 kW boiler output
Suitable for both boiler output ranges
Recommendation according to example
Table 20 Explanation of the colour coding in table 19
50
Bath tub 160 l Econ-
14 l/min (10 min) omy
shower
8 l/min
(6 min)
not recommended
S135 RW
≥ 25 kW)
(
S135 RW S160 RW
S120 W SU160 W
S120 W
S135 RW
S135 RW
S160 RW S120 W
SU160 W S135 RW
S160 RW
S135 RW
SU160 W
S120 W
S135 RW
S135 RW
The following DHW cylinders may be combined with the
GB162:
Standard Standard
shower shower
10 l/min 12 l/min
(8 min) (8 min)
S135 RW
S160 RW
SU160 W
S135 RW
S120 W
S135 RW
S135 RW
S135 RW
Example
For the simultaneous use of a bath tub
shower with a gas condensing boiler with a maximum
output of 25 kW, the Logalux S160 RW or SU160 W
DHW cylinders are recommended.
Condition: DHW cylinder is heated to 60 °C.
6 720 645 821 (2010/09) – Logamax plus GB162
Basin,
Wash-
stand
6 l/min
(3 min)
S160 RW S120 W
SU160 W S135 RW
S160 RW
S135 RW
SU160 W
S120 W
S135 RW
S135 RW
S135 RW –
S120 W
S135 RW
S135 RW
S120 W
S135 RW
S135 RW
and a standard