Electrical Connections - Riello TOP MODULANTE Bedienungsanleitung

12 ELECTRICAL CONNECTIONS

9
The following is mandatory:
− have an omnipolar magneto-thermal circuit breaker and
a disconnecting switch compliant with the prevailing
standards of the installation country
− respect the polarity of the L1 (Phase) - N (Neutral) con-
nections
− use cables with insulation and cross section conforming
to applicable standards (minimum cross section 1.5 mm
− make sure the appliance is connected to an efficient
ground (earth).
0
It is strictly forbidden to use pipes of any kind to ground the
appliance.
The manufacturer is not responsible for any damages due to
the missing device grounding.
Cable for managing and controlling the speed of the pump
(PWM)
− Connect the connector (A) to the connector (B)
− Pass the other end of the cable through the cable grom-
met (E)
Pump power cable
− Connect the connector (C) to the connector (D)
− Pass the other end of the cable through the cable grom-
met (E)
B
A
E
)
2
1 PWM CONNECTOR
Brown - Input PWM
Blue - Reference signal (GND)
2 POWER SUPPLY
Brown - L
Blue - N
Yellow/Green -
D
C
18 18
1 2
C