Example 6
Hydraulic isolation of the heating circuits by means of a heat exchanger
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
M
1
2
4
5
7
6
3
min.
50 l
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
2-way directional valve
(heating mode = open,
cooling mode = closed)
5
Hot water tank
7
Heat
exchanger
Vessel for increasing the total water volume - to be used
when the total volume is lower than the minimum volume.
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