13
INSTALLER
USER
MAINTENANCE TECHNICIAN
TECHNICAL DATA
ATTENTION:
e power supply cable must be con-
nected to a 230V~ ±10% / 50Hz mains
supply respecting L-N polarity and earth
connection; this network must also have
a multi-pole circuit breaker with class III
overvoltage category in compliance with
installation regulations.
ATTENTION:
No appliance pipes must ever be used
to earth the electric system or telephone
lines.
ATTENTION:
To protect from possible dispersions of
DC voltage, it is necessary to provide a
type A dierential safety device.
ATTENTION:
If the power cable is damaged, contact a
qualied company (e.g. the Authorised
Technical Assistance Centre) for its re-
placement to avoid a hazard.
e power cable must follow the prescribed route (Parag. 1.5);
If the network fuse on the P.C.B. needs replacing, this must also be
done by qualied personnel: use a 5x20 250V 3.15 A fast fuse.
For the main power supply to the appliance, never use adapters,
multiple sockets or extension leads.
1.9 Remote controls and room chrono-thermostats
(Optional).
e boiler is prepared for the application of room chrono-ther-
mostats or remote controls, which are available as optional kits.
Carefully read the user and assembly instructions contained in
the accessory kit.
ATTENTION:
disconnect power to the appliance be-
fore any electrical connection.
• On/O Immergas digital chrono-thermostat.
e chrono-thermostat allows:
- set two room temperature value: one for day (comfort temper-
ature) and one for night (reduced temperature);
- set up to four on/o dierential weekly programs switch on
and switch o times;
- selecting the required function mode from the various possible
alternatives:
• permanent functioning in comfort temp.
• permanent functioning in reduced temp.
• permanent functioning in adjustable anti-freeze temp.
e chrono-thermostat is powered by two 1.5V LR 6 type alkaline
batteries.