Sime ALU HE 116, Инструкция для пользователя, по установке и обслуживанию

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83
EN
4.11.1 RS 485 board
The RS485 board is provided as standard and is factory installed on every boiler. It is positioned in the cover of the control panel and
fixed in place with two screws.
It is needed for communication between boilers, when they are installed in a cascade (see the specific diagrams under “Electrical
connections for the cascade”).
BOILER BOARD
BOARD RS-485
Connection for communication with
other boilers in the cascade
1
2
3
4
5
6
–
+
GND
–
+
GND
BLACK
GREEN
BLUE
RED
Fig. 11
m
CAUTION
Users must:
– Use an omnipolar cut-off switch, disconnect switch
in compliance with EN Standards
which ensures
complete cut-off in overvoltage category III conditions
(i.e. where there is at least 3 mm between the open
contacts)
.
– Respect the connections L (Live) - N (Neutral).
– Ensure that the special power cable is only replaced
with a cable ordered as a spare part and connected
by professionally qualified personnel.
m
CAUTION
Users must:
– Connect the earth wire to an effective earthing
system. The manufacturer is not responsible for any
damage caused by failure to earth the appliance or
failure to observe the information provided in the
wiring diagrams.
d
IT IS FORBIDDEN
To use water pipes for earthing the appliance.