Riello ALUDOMUS SOLAR KV/200 20 ISC SOLAR Installation And Maintenance Manual page 40

INSTALLER
ROOM UNIT AND COLLECTOR PROBE
9
The following instructions are mandatory:
− Use a multi-pole magnetic thermal trip switch
and disconnector conforming to IEC-EN stan-
dards (with a contact gap of at least 3 mm).
− Respect the L (Phase) - N (Neutral) polarity. Keep
the ground wire about 2 cm longer than the po-
wer wires.
− Use cables with a cross section of 1.5 mm
more, complete with end terminals.
− Always refer to the electrical wiring diagrams
in this manual when performing any electrical
work.
− Make sure the appliance is connected to an ef-
fective ground.
RVS control card ...
M BX1
Room unit
1
1 2 3
+ -
G+
Collector
probe
9
Use a three core cable to connect the room unit to terminals CL+,
CL- and G+ on the main board, taking care not to invert polarity.
CL+ CL+ CL+
G+
CL- CL- CL-
Room unit
2
1 2 3
+ -
G+
0
It is strictly forbidden to use fuel and/or water pipes
to ground the appliance.
0
Do not route the power cable or room thermostat
cables near hot surfaces (like heating circuit flow
pipes). Use a suitable class of cable if there is any
possibility of contact with parts at temperatures
above 50°C. .
2
or
The manufacturer declines all responsibility for damage
caused by failing to ground the appliance adequately
or by failure to respect the wiring diagrams provided in
this manual.
40
Room unit
3
1 2 3
+ -
G+