Riello 20120391, Instructions For The Installer And For The Technical Support Service

Page: 126 / 188

126
INSTALLATION
INSTALLATION
1
Before emptying the equipment:
− set the system's main switch to its "OFF" position, and
the device's main switch to its "OFF" position
ON
OFF
ON
OFF
− close the water system's shut-off devices
− connect a hose to the device's discharge, bring it to an
appropriate collection well, and open the valve
− close the discharge valve once the operation has been
completed.
2.11 Electric connections and wiring diagrams
9
The wiring diagrams of R NXC-NXH devices are sup-
plied with the unit. Please refer to them if necessary.
9
Fairleads are not supplied with the unit.
R
NXC-NXH devices leave the factory fully wired and require
only to be connected to the power supply mains and the con-
nection of any accessory component.
In order to access the control panel's terminal blocks:
− set the system's main switch to its "OFF" position, and
the device's main switch to its "OFF" position
ON
OFF
ON
OFF
NXC-NXH 044-084
− open and rotate the access panel to the electric parts
using the specific key supplied with the unit
− route power cables and any accessory cable through the
prearranged holes highlighted in the figure.