Viessmann Vitocal 300-G Installation And Service Instructions For Contractors page 52

Compact heat pump with electric drive single and two-stage
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Preparing for installation
System example 2, ID: 4605308_1006_01
2
211.5
X1.
X2.N
52
87
X2.4
X5.
X2.3
X2.2
X5.
X2.1
52 1.
N
52 2.
N
L
20 1.
N
L
20 2.
N
X3.1
X3.2
X3.3
X3.4
X4.1
X4.2
X4.3
X4.4
(cont.)
L1
230 V/50 Hz
N
M
89
1~
M
81
1~
M
84
1~
M
82
1~
230V / 1A
83
230V / 1A
86
24V / 10mA
83
24V / 10mA
86

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