Dhw Heating; Decision-Making Aids To Assist In Selecting Dhw Heating - Buderus Logamax plus GB162 Technical Manual

5

DHW heating

5 DHW heating
5.1

Decision-making aids to assist in selecting DHW heating

Gas condensing boilers have very high efficiency.
Therefore, heating DHW with the Logamax plus GB162
is recommended, both from an energetic and an
ecological viewpoint. It is suitable for combining with
separate DHW cylinders (selection aid
Planning Possible versions
criteria
Only one main draw-off point
Several main draw-off points,
Use of the
but not simultaneously
draw-off points
Several main draw-off points
simultaneously
Single person household
(central DHW heating for oneresidential
unit)
Four-person household
DHW demand (central DHW heating for oneresidential
unit or one detached house)
Many users
(central DHW heating for an apartment
building)
Up to eight metres line length
(without DHW circulation line)
Line length
In excess of eight metres line length
(with DHW circulation line)
Low
Availability of
space
Adequate
Costs Affordable choice
Combi boiler installed
Replacement
Cylinder installed
Table 17 Decision-making aids for the selection of integral or separate DHW heating
1) In the case of adequate room height, recommended with the Logalux S120 W DHW cylinder (below)
+ Recommended
Limited recommendation
– Not recommended
46
When planning heating systems and making a decision
regarding DHW heating, various factors should be taken
into account, such as the following:
• Simultaneous use of different draw-off points
page 50).
• DHW demand and convenience
• Line length (with or without DHW circulation line)
• Availability of space
• Costs
• Replacement of system components
GB162-50/65/80/100
With separate DHW cylinder
Logamax plus
GB162-15/25/35/45
+
+
+
+
+
+
1)
–/
+
+
+
6 720 645 821 (2010/09) – Logamax plus GB162
GB162-25 T40S
Storage combi
boiler
+
+
+
+
+
–
+
Not possible
+
+
+
+
–