Ariston EGIS PREMIUM S 25, Installation And Servicing Instructions

Page: 37 / 52

37
installation
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
- Unhook the two clips “a”, rotate the cover “b” to have access to the
peripherical connections
- Unscrew the two screws “c” and remove the cover “d” of the
instrument panel to have access to the main P.C.B.
a
b
c
d
Peripheral connections:
FLOOR =
Under fl oor heating thermostat
SE =
Outdoor sensor
SOL = Solar temperature probe
TA1 = Room thermostat 1
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 fl ap again, then replace the control panel cover and the
front casing.
Caution!
For the connection and positioning of the wires belong-
ing to optional peripheral units, please refer to the
advice relating to the installation of these units.
TA2
FLOOR
SE
SOL TA1
T B
TA2
FLOOR
SE SOL TA1
C
N1
S on d a E s terna
O u t d oor s en s or
T ermo s tato l imite
im p ianti a p a v imento
U n d er fl oor heating
thermo s tat
T ermo s tato A mbiente 1
Room T hermo s tat 1