Viessmann NC-Box, Инструкции по установке и обслуживанию для подрядчиков

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13
aVG
X6
15
1
5
11
F0
F2
4
B
aVG
D
4 3 2 1
X5
X2
A
C
N
?
3
2
1
N
N
N
N
1
?
?
?
1
2
3
X6
X1
X2
1 2 3
sYÖ sYA sYS sYD
4 1 2 3 5
G
F E
1 2
Fig.6
A NC-Box
B
Mixer extension kit
aVG
KM BUS to the heat pump control unit or to
the KM BUS distributor in the case of several
KM BUS subscribers
C
NC-Box terminal box
X2 230 V~ terminal strip
■ Power supply 1/N/PE 230 V/50 Hz across
X2.1 and X2.2 via on-site power distribution
board
■ Switching the NC-Box (NC signal) across
X2.3 and X2.4 by the heat pump control unit
X5 Earth conductor terminal strip
D Cross connect PCB or luster terminals
X1 Earth conductor terminal strip
X2 Neutral conductor terminal strip
E Main PCB (function components 230 V~)
F
Controller and sensor PCB
G
Vitotronic 200 heat pump control unit
"Vitotronic 200" service instructions
Installation sequence
Electrical connection
(cont.)
5675 869 GB
Installation