Viessmann VITOCAL 300-G PRO Type BW 2150, Инструкция по установке и обслуживанию

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Message and safety connections (safety chain) with distribution
terminal
LP1 LP1 X3 LP1 LP1 LP1 X1 LP1 LP1 St. K1 K1 K1 K1 X3 K2 K2 K2 K2 X3
X1 X3 X3 X2 X3 X3 X3 X3 X3 X3 X3
16 N
X3 X2
LP1 LP1
116 116 116 X2 X3
116 116 116 X2 X3
16 N
X3 X2
LP1 LP1
PE
13 16
3 2 7
PE
6 9
X1.PE
11
6 4 2 4
16
6 4 2 16 4
5 3 1 N 3 5 3 1 N 3
PE 12 N 4 14 6 6 5 5 8 10
220.3
1
K2 STB
2 220.2
Distribution terminal
St.
223.2
223.1
■ Set the required parameters during
commissioning; see from page 79.
■ Connections, see separate "connec-
tion and wiring diagram" sheet 13,
sheet 21.
Signal and safety connections
Terminals
Function Explanation
PE/X1. Earth conductor Terminals for earth conductor of all asso-
ciated system components.
LP1.X2.N Neutral conductor Terminals for the neutral conductor of the
heat pump control unit.
Connected at the factory.
LP1.X3.16 Phase L1 Control unit power supply.
Connected at the factory.
Installation sequence
Overview of electrical connections
(cont.)
5772 458 GB