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Idiomas disponibles
Idiomas disponibles
Ver 4.0_ES_EN_FR_IT_PT_02/22
1.- zone 0: Installation is totally forbidden at this area. It is also forbidden at zone 1 if it is a prefabricated shower
cabin.
2.- zones 1 and 2: IPX4 appliances with a wire which allows connections 1,2 m from shower vertical and with an
additional RCS switch.
3.- zone 3: IPX1 appliances allowed.
4.- The earth connection of the water heaters is compulsory.
We recommend the installation of the water heaters at zone 3 (fig.- 5).
Zone 1
Zone 0
6.- INSTALLATION RECOMMENDATIONS
In order to have a correct operation of the NOFER electric water heater, please take into account the below
considerations:
1. Water pressure at electric water heater inlet must be between 1.5 and 5 bar. Also all considerations explained
at point 3) of this manual must be taken into account.
2. It is compulsory to install a drain pipe to evacuate water drops from safety valve. Possible damages caused
at home due to this drops are not responsibility of NOFER.
3. If water pressure is higher than 2.5 bar we recommend the installation of a pressure reduction valve and a
expansion vessel. The pressure reduction valve must be installed as close as possible from the house water
inlet pipe.
4. The network water must have a minimum quality characteristics to be acceptable under corrosion point of
view. The limits established by NOFER are the below ones:
Ryznar index less than 7.
Conductivity at 25 ºC < 350 /cm
Chlorine (Cl
5. The use of chemical scale eliminators is allowed but the hardness must be regulated between 12ºF and 31
ºF.
1.- USER'S INSTRUCTIONS
IMPORTANT: Be sure that the water heater is filled with water before plug in. You could be sure that the
water heaters if completely filled when water come out from a hot water tap.
a) Bath tube
Zone 2
2.4m
0.6m
Zona3
a) Bath tube front view
Zone 2
Zone 1
2.25m
Zone 3
Zone 0
2.4m
0.6m
-
+
) and sodium (Na
`) less than 75 mg/l
USER'S MANUAL
b) Shower without shower plate
0.6m
Zone 1
Zone 2
2.4m
Zone 3
b) Shower
Zone 2
Zone 1
2.25m
Zona0
0.6m
Fig. – 5
11
0.6m
Zone 3
2.4m
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