Viessmann Vitocal 300-G Installation And Service Instructions Manual page 62

Preparing for installation
System example 3, ID: 4605352_1008_01
4
F6
F4
F20
F13
F0
F12
Control unit power supply
A
L1
X3.18
X2.1 N
X1.1
A Mains terminals on the cross con-
nect PCB
Required parameter setting
Set the required parameters during com-
missioning; see from page 108.
62
PT500
PT500
PT500
PT500
Ni500
PT500
Compressor power supply
1 / N / PE
230 V, 50 Hz
(cont.)
STS 31
PTS 51
27
KTS
VTS 23
ATS 10
63
VTS M2
L1
L2
3 / PE
400 V, 50 Hz
L3
PE