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Appendix
36 Installation instructions aroTHERM 0020147164_04
B.4 System diagram 12 A
q
P2 P1
M
q
M
q
M
16
KW
5
43
42c
42a
SP1
52
19
52
19
50
13a
VF1
ZH
13e
3
94
28(MA1) 28(MA2)
42a
91
UV1
32
42b
Auf
Zu
3(5)
3
2 BUS
3(5)
2 BUS2 BUS
230 V ~ 3
22
2 BUS
4
2
3
2
3(5)
230(400) V ~
230(400) V ~
230(400) V ~
1b
48
1b Auxiliary heater for hot water support
3 Heat pump
5 Domestic hot water cylinder
13a Remote control unit
13e System controller
16 Outside temperature sensor/DCF receiver
19 Maximum thermostat
28 Zone valve
32 Cap valve
42a Expansion relief valve
42b Diaphragm expansion tank
42c Diaphragm expansion tank drinking water
36


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