Ariston HS C 24 FF NG Installation And Servicing page 55

WARNING
BEFORE PERFORMING ANY
WORK ON THE BOILER, FIRST
DISCONNECT IT FROM THE ELECTRICAL
POWER SUPPLY USING THE EXTERNAL
BIPOLAR SWITCH.
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
0,75 mm
2
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
230V-50Hz network, where the L-N poles and the
earth connection are all respected.
In the event that the power supply cable must
be changed, replace it with one with the same
specifications.
60
N
L
IMPORTANT!
Connection to the electricity mains supply must
be performed using a fixed connection (not
with a mobile plug) and a bipolar switch with
a minimum contact opening of 3 mm must be
fitted.
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 2A rapid fuses.
Remote Control
Outdoor sensor
OK
Sensys
230V
T B
BUS TA2
SWHV06
Room Thermostat 1
1 2 3 4 5 6 7
Solar temp.
probe
230V
SE TNK SOL TA1
Peripheral unit connection
To access peripheral unit connections carry out the following
steps:
- Disconnect the boiler from the power supply
- Remove the casing
- Rotate the control panel while pulling it forwards
- Unhook the two clips to have access to the peripherical
connections and the main P.C.B.
Peripheral connections:
BUS = Remote control connection (modulating device)
TA2 = Room thermostat 2
SE = Outdoor sensor
SOL = Solar temperature probe
TA1 = Room thermostat 1
CAUTION!
For the connection and positioning of the wires belonging to
optional peripheral units, please refer to the advice relating to
the installation of these units.
Room thermostat connection
- Introduce the thermostat wire
- Loosen the cable clamp using a screwdriver and insert the wires
leading from the room thermostat one at a time.
- Connect the wires to the terminals TA1, removing the jumper
- Make sure that they are well connected and that they are not
subject to traction when the control panel lid is opened or closed
- Close the flap again, then replace the control panel cover and the
front casing.
INSTALLATION
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