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Installation manual
INSTALLATION (Figure 1 page A)
If the appliance is set up in a suspended ceiling or attic, or above living space, a drain pan must be installed underneath the water heater. A drainage
device connected to the sewer system is required.
SET-UP
Installation of a vertical wall-mounted water heater (Figure 2 page A)
To facilitate future replacement of the heating element, leave clear space below the ends of the water heater pipes. Appliances can be mounted on a
tripod (optional) if the wall is not strong enough to bear the weight. Nevertheless, it is mandatory to secure the water heater's top bracket to the wall to
prevent it from tipping.
Installation of a stable water heater (Figure 3 page A)
The water heater must be installed in a perfectly vertical and stable position, in a location that allows easy access to the electrical components and safety
components. Ensure replaceable components are accessible.
Installation of a horizontal water heater (Figure 4 page A)
There are several installation options. Once the water heater is installed, the water connection pipes must be positioned vertically below the appliance.
Ensure replaceable components are accessible.
HYDRAULIC CONNECTION (Figure 5 page B)
The supply pipes must be cleaned thoroughly before making the hydraulic connection.
The connection to the hot water outlet must be made using a cast iron or steel sleeve, or a dielectric union in order to avoid any corrosion of the pipe
(direct iron/copper contact). Brass unions are forbidden.
Pressurised installation:
A new safety device (or any other new pressure relief valve), with a pressure of 0.7 or 0.9 MPa (7 or 9 bar), depending on the nominal pressure, and
measuring 3/4'' in diameter, must be fitted on the water heater inlet, in accordance with the local standards in force. The safety unit must be protected
from frost.
No hydraulic accessories must be installed between the safety device and the cold water inlet of the appliance. A pressure reducer (not supplied) is
required if the supply pressure is greater than 0.5 MPa (5 bar) and will be installed on the main supply pipe.
Connect the safety device to a discharge pipe, kept in the open air, in a frost-free environment, continuously sloping downwards to drain off the heat-
expanded water or to allow for drainage of the water heater. The pipes used must be able to withstand 1 MPa (10 bar) and 100 °C.
If PEX pipes are used, installation of a thermostatic regulator at the water heater outlet is strongly advised. It will be adjusted according to the performances
of the material used.
ELECTRICAL CONNECTION (Figures 6, pages D to H)
The water heater can only be connected to and operated on either a single-phase 220-240 V AC or three-phase 380-400 V AC network, depending on the
model. Connect the water heater using a rigid conductor cable with a 2.5 mm2 cross-section. For this purpose, use a standardised pipe (fixed or fluted
sheath) up to the calibrated housing of the cover. Devices with a cable or plug (not permitted in France) must be connected directly.
Earthing is mandatory. A special terminal marked
is provided for this purpose.
This connection is compulsory for safety reasons. The green - yellow earth wire must be longer than the phase wires. Upstream of the water heater,
the electrical installation must have an all-pole cut-out device (contact opening at least 3 mm: circuit breaker, fuse). If the hydraulic hoses are made of
an insulating material, the electrical circuits will be protected by a 30 mA differential circuit breaker that complies with the standards in force, positioned
upstream of the water heater (see diagrams and tables).
Before removing the cover, check that the power supply is disconnected.
Thermal cut-out:
All our products are fitted with a thermostat with a manual-reset thermal circuit breaker which cuts off the power supply to the water heater in the event of
overheating (except the electronic range which is protected by thermal fuse).
If the safety device is tripped, cut the power before any operation and have the circuit breaker reset by a professional.
In the event of repeated tripping, replace the thermostat. Never short-circuit the safety device or the thermostat.
Only connect the power supply to the terminal block.
For electronic products with a power output greater than or equal to 1800 W, it is possible to switch to three-phase 400 V using the Facilitri 400 V kit
(except Connect models). The modification must be made by a professional.
For products which are equipped with a mechanical thermostat and compatible with single-phase and three-phase connections, the wiring must be
modified by a professional and only using the equipment supplied by the manufacturer.
SYSTEM START-UP
NEVER POWER THE WATER HEATER UP WITHOUT WATER.
Before switching on, open the hot water taps and drain the pipes until there is no air inside, then fill the appliance.
Check that the pipes and door seal under the cover are watertight. In the event of a leak, tighten moderately. Check that the hydraulic safety devices are
in good working order and fill.
Turn the power on. After between 5 and 20 minutes, depending on the capacity of the appliance, water should flow drop by drop from the drainage outlet.
This normal phenomenon is the result of the water expanding.
Check that the unions and seal are watertight. When the water is heating, and depending on the quality of the water, reinforced water heaters may emit
a bubbling sound; this noise is normal and does not mean that the appliance is in any way damaged.
To prevent the development of bacteria (legionella, etc.), increase the temperature to 60 °C at least once a day. The thermostat limits are factory set.
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