Ferroli LEB 12.0-TS, User And Installation Manual

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2. MOUNTING
2.1.Operating condition and mounting location
To connect the electric heating unit to the local power supply system, please obtain the approval from the
competent authority.
Users are obliged to obtain the approval for short-term use of high power devices and to pay the thermal-
power related tariffs.
To use a new system of central heating or to modify the existing central heating system, it is
recommended that you should use the services of specialized design personnel. Installation by authorized
plumber is compulsory to obtain the supplier's guarantee. As a result, please contact our partners for the
heating unit's mounting. They will offer assistance to you for the electric heating unit's use and operation.
The connection to the public power supply system and to any other electric installations is performed by
specialized personnel in accordance with the rules and regulations in force.
The LEB TS electric heating unit was designed to be permanently connected to the public power supply
system. Inside the electric heating unit there is a three-phase fuse which facilitates the contactor's
connection to the main switch.
Mount the LEB TS electric heating unit in a position which is easily accessible for maintenance and
inspection. Place the unit in relation to other objects keeping minimum distances as indicated in fig.4.
The heating unit's mounting should be performed solely by specialized and authorized technical
personnel.
The guarantee certificate for the electric heating unit becomes valid after the unit's commissioning by
specialized personnel.
The unit's temperature adjustments may be done
by unqualified persons. Such persons may
operate the control system following the
instructions provided by this manual or supplied
by the service company. Do not demount the
electric system without permission during
maintenance works.
In order to mount the electric heating unit, the
water's chemical
regime should be respected.
The installation will be provided with sealing and
discharge valves,
and the safety valve will be connected to the
sewerage system.
The electric heating unit is designed for the
AA5/AB5 typical
environment as accepted by the standards STN
33 0300 and
STN 33 2310 (for example, the temperature
interval is +5ºC -+40ºC, the humidity varies with
the temperature, but should notexceed 85%). Do
not mount the unit nor in Zones 0, 1 and 2 as
defined by the standard STN 33 2135-1 and
neither in rooms with bath tubes, in bathrooms, in
laundry spaces, or in rooms with showers, or in
any other area in which the unit might get
splashed with water. The unit's mounting in Zone
3 is permitted.
A
B
C
D
Minimum distance
Construction dimensions
Fig.4
8
(measured from the
housing with opening)
3cm
10 cm
10 cm
1.5 cm
15 cm
30 cm
20 cm
＞
25 cm
EN