Electrical Connections; Peripheral Unit Connection; Room Thermostat Connection - Ariston G.C.N: 47-116-51(24kW) Installation And Servicing Instructions

WARNING
Before performing any work on the boiler, first
disconnect it from the electrical power supply using
the external bipolar switch and remove the fuse.

Electrical connections

For increased safety, ask a qualified technician to perform a
thorough check of the electrical system.
The manufacturer is not responsible for any damage caused by
the lack of a suitable earthing system or by the malfunctioning of
the electricity mains supply.
Make sure that the system is able to withstand the maximum
power absorbed by the boiler (this is indicated on the appliance
data plate). Check that the section of the wires is suitable and is
not less 1.5 mm

The appliance must be connected to an effiecient earthing system
if it is to operate correctly.
The power supply cable must be connected to a 30V-50Hz
network, where the L-N poles and the earth connection are all
respected.
Important!
In the event that the power supply cable must be changed, replace
it with one with the same specifications.
Power supply cable
140
Important!
The appliance is supplied with a fly-lead already
connected, this must be connected to a 240V supply
fused at 3 Amp and must facilitate completed
electrical isolation of the appliance, by use od a fused
double pole isolator having a contact separation of
at least 3mm in all poles or alternatively by means of
a 3A fused three pin plug and unswitched shuttered
socket outlet both complying with BS1363.
The use of multiplugs, extension leads or adaptors is strictly
prohibited.
It is strictly forbidden to use the piping from the hydraulic, heating
and gas systems for the appliance earthing connection.
The boiler is not protected against the effects caused by lightning. If the
mains fuses need to be replaced, use A rapid fuses.
120
H03V2V2-F

Peripheral unit connection

To access peripheral unit connections carry out the following
steps:
- Disconnect the boiler from the power supply
- Remove the casing by unhooking it from the instrument
panel
- Rotate the control panel while pulling it forwards
- Unscrew the three screws on the back cover of the instrument
panel
- Unhook the right side clip and the right front clip; then lift the
flap
The terminal board (see figure) may be accessed in order to connect:
Outdoor sensor
Room thermostat 1
Optional P.C.B.s can also be installed for further accessories:
BUS P.C.B.
- other plugs: for managing multi-zones
multitemperatures, Solar kit, etc...
Caution!
For the connection and positioning of the wires
belonging to optional peripheral units, please refer to
the installation manuals of these units.
installation
Clima Manager
Modulating Room Sensor
Programmable Room Thermostat
Outdoor Sensor
3