Example 9
Hydraulic isolation of the heating circuits by means of buffer tank
Layered tank for storing heat for hot water heating in the upper region
(via a fresh water station) and heat for room heating in the lower region
CLOSE
OPEN
N
1 2 3 4 5 6
7 8
9 10 11 12
13 14
15 16
17 18
19 20
21
22 23
CLOSE
OPEN
CLOSE
OPEN
N
COOL
HEAT
N
L
N
M
M
1
2
4
6
5
3
M
Schematic illustration – relevant standards and
guidelines must be observed!
1
Cold water connection
2
Room thermostat
3
Outside temperature sensor
(integrated in the outdoor unit)
4
Control for heating circuit
mixer (building side)
6
Fresh water station
5
Buffer tank
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