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Viessmann VITOCAL 222-S Installation And Service Instructions Manual page 49

Type awt-ac 221.a04 to a13 compact heat pumps, split version for heating and cooling operation
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Electrical connection
Internal unit: Overview of connections
A
sYA
sYS
F
(cont.)
B
sVA
X18
F3
X3
X2
N
1
1
3
4
6
7
8
9
1
E
18
F1
Installation sequence
X31
C
F4
F0
F12
F20
J3
F13
F21
F27
X24
J4
F14
F7
F8
F23
aVG
F6
F26
F11
F16
X1
D
12 V
P202
COM
COM
P203
43 V
F101
1
X25
X15
49
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