Power Supply Via The Mains Isolator - Viessmann WAGO KNX/TP gateway Installation And Service Instructions For Contractors

Power supply
(cont.)

Power supply via the mains isolator

Effects during heating system shutdown:
The gateway and control unit are switched off.
■
■ No data is transferred to the KNX/EIB control sys-
tem.
Danger
Incorrect core assignment can result in serious
injury and damage to the appliance.
Take care not to interchange cores "L1" and "N":
L1 Brown (BN)
N Blue (BU)
PE Green/yellow (GNYE)
D
C
BN
L
GNYE
PE
B
BU
N
Fig. 16
Gateway
A
Power supply 100 to 240 V~, 50 to 60 Hz
B
Fuse protection across all poles (max. 16 A)
C
Mains isolator, 2-pole, on site (if installed)
D
Junction box (on site)
E
F Control unit power supply (plug
H
G
E
G
H
K
fÖ )
K
+
-
A
F
Power supply unit
Earthing of top-hat rail to ensure that the shielding
of the CAN bus cable is earthed/protects against
interference.
Cores supplied
Installation sequence
21