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Anhang
0020251834_00 uniTOWER Installations- und Wartungsanleitung 47
C Reglerleiterplatte
X11
X100 /
X106
S20
S21
BUS
5
6
3
4
1
2
L
N
X21
X22
1
7
8
2
918
17
16
15
14
13
12
11
10
3
4
5
6
X28
1
2
7
8
9
11
10
12
3
4
5
6
1
7
8
2
919
20
18
17
16
15
14
13
12
11
10
3
4
5
6
X16
X41
3
1
2
L
N
X13
L
N
X15
3
4
1
2
L
L
N
X14
L
L
N
X1
L
N
X24
6
4
3
2
1
5
7
8
9
12
11
10
13
14
15
16
3
1
2
3
1
2
3
4
1
2
3
4
1
2
˽
˽
2
1
eBUS
+
-
M
˽
3
6 5 4 3 2 1
˽
˽
p
˽
˽
12
1
2
3
4
5
6
2
1
X51
X29
1
2
11
10
9
8
7
1
12
13
15
14
20
18
17
16
4
5
6
2 3
19
21
22
23
24
1 Reglerleiterplatte
2 [X51] Randstecker Display
3 [X29] Busanschluss eBUS eingebauter Systemregler
4 [X24] Kodierwiderstand 3
5 [X24] Kodierwiderstand 2
6 [X41] Randstecker (Außentemperaturfühler, DCF,
System-Temperaturfühler, Multifunktionseingang)
7 [X106/S20] Maximalthermostat
8 [X106/S21] EVU-Kontakt
9 [X106/BUS] Busanschluss eBUS (Außeneinheit,
VRC 700, VR 70 / VR 71 )
10 [X16] interne Heizungspumpe
11 [X15] internes 3-Wege-Umschaltventil
12 [X11] Multifunktionsausgang 2: Zirkulationspumpe
Warmwasser
13 [X13] Multifunktionsausgang 1
14 [X14] Multifunktionsausgang: externe Zusatzheizung
/ externes 3-Wege-Umschaltventil
15 [X1] 230-V-Versorgung der Reglerleiterplatte
16 [X28] Datenverbindung zur Netzanschluss-Leiter-
platte
17 [X22] Vorlauftemperaturfühler Zusatzheizung
18 [X22] Signal Heizungspumpe
19 [X22] Drucksensor
20 [X22] Temperatursensor Vorlauftemperatur Heizkreis
21 [X22] Temperatursensor Rücklauftemperatur Heiz-
kreis
22 [X22] Temperatursensor Warmwasserspeicher
23 [X21] Temperatursensor elektronisches Expansions-
ventil HEX
24 [X21] Temperatursensor 4-Wege-Umschaltventil
HEX
49


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