Edesa VM 050 D400-3-E Manual De Montaje, Uso Y Mantenimiento página 7

8. The electrical installation must include an all-pole cut-off device
(circuit breaker, fuse) upstream of the unit in accordance with the
local installation rules in force (30 mA differential circuit breaker).
9. If the cable is damaged, it must be replaced with a cable or a special
pack available from the manufacturer or the after-sales service.
10. Depending on the nominal pressure, an 0.7 or 0.8 MPa (7 or 8 bar)
safety device (or any other new pressure relief device) measuring
½" or ¾" must be installed in a frost-free location at the water
heater inlet which complies with the local standards in force
11. The pressure relief valve drainage device must be activated on a
regular basis in order to remove limescale deposits and to check
that it is no blocked.
12. No hydraulic accessory must be located between the safety
device and the unit's cold water inlet. 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.
13. Connect the safety device to an uncovered, constantly downward-
sloping drain pipe in a frost-free location intended to evacuate the
expansion water from the water heater or for use when draining
the water heater.
14. The pipes used must be able to withstand 1 MPa (10 bar) and 100°C.
15. To drain the unit, switch the electric power supply and cold water
off then open the hot water taps to operate the drainage valve of
the safety device.
16. Do not dispose of your unit with household waste; take it
to an official collection point for recycling.
17. The products presented in this manual may be modified at any
time in response to technological developments and to satisfy the
standards in force. These units comply with directives 2014/30/
EU relating to electromagnetic compatibility, 2014/35/EU relating
to low voltage, 2011/65/EU relating to ROHS and 2013/814/EU
which completes directive 2009/125/EC relating to co-creation.
18. The unit must be earthed. A special terminal marked
for this purpose.
19. This product is intended for use at a maximum altitude of
3,000 m.
20. The user manual for this unit is available from the after-sales service.
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is provided