Electrical Connection - Viessmann V AH-300 Installation And Service Instructions For Contractors

Condensate lifting system
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Electrical connection

Note
If there is no bottom drain, a suitable
alarm facility must be connected to the
potential-free overflow alarm switch.
Terminal assignment of the electrical
terminal box
M 1A
PE PE PE
N N
2 3
4
1
5 6
PE
L N
A
A Power supply 230 V/50 Hz
B Feed pump 230 V/50 Hz
Colour coding to DIN IEC 60757
BN
brown
BU
blue
GNYE green/yellow
7
8
9
1
3
M
B
1~
Terminal assignment of the overflow
alarm switch
Note
If required, connect the overflow alarm
switch with the sockets supplied in the
cap.
3
1
2
Breaking capacity: 250 V/6 A (resistive
load)
Electrical connection: Flat pin sockets
6.3 x 0.8 mm
7

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