23
H
Grounding of top-hat rail to ensure that the shield-
ing of the CAN bus cable is grounded/protected
against interference.
K
Cores supplied
Power supply independent of the mains isolator
Effects during heating system shutdown:
■
The control unit is switched off.
■
The gateway remains in operation.
■
No heat generator data is transmitted to the BACnet
control system.
Fault message "Connection to heat generator" is
transmitted.
Note
It is essential to ground top-hat rail
H
to ensure that
the CAN bus cable shield is grounded/protected
against interference.
B
C
E
F
L
PE
N
BN
BU
GNYE
H
A
+
-
G
D
K
Fig. 15
A
Gateway
B
Power supply 100 to 230 V~, 50 to 60 Hz
C
Fuse protection across all poles (max. 16 A)
D
Mains isolator, 2-pole, on site (if installed)
E
Junction box (on site)
F
For the control unit power supply (plug
fÖ
), see
the installation and service instructions for the heat
generator.
G
Power supply unit
H
Grounding of top-hat rail to ensure that the shield-
ing of the CAN bus cable is grounded/protected
against interference.
K
Cores supplied
Installation sequence
Power supply
(cont.)
6175460
Installation