113
Aquarea air / water heat pump – design handbook 07 / 2014
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
Buf
fer tank