17
Installation – for qualified contractors
9.3 Power supply
WARNING Electrocution
Carry out all electrical connection and installation
work in accordance with relevant regulations.
WARNING Electrocution
When permanently connected to the power supply
using a dedicated junction box, the appliance must
be able to be isolated from the mains power supply
by an isolator that disconnects all poles with at least
3 mm contact separation.
WARNING Electrocution
Ensure that the appliance is earthed.
!
Material losses
The voltage specified on the type plate must match
the mains voltage.
»
Observe the type plate.
The following electrical connections are permissible:
Huz 5 ÖKO Comfort Hoz 5 Comfort
Connection to a freely acces-
sible standard socket with
matching plug
X
X
Permanent connection to an
appliance junction box with
earth conductor
X
X
10. Commissioning
WARNING Electrocution
Commissioning may only be carried out by a qual
-
ified contractor in accordance with safety regula
-
tions.
10.1
Initial start-up
1.
2.
D
00000
49
32
5
» Either open the DHW valve of the tap or set the
mono lever mixer tap to "hot" until the water that
flows out is free of air bubbles.
» Insert the plug into the standard socket or set the
fuse/MCB in the fuse box.
» Select a temperature.
» Check the entire hydraulic installation for tightness.
Note
If you fail to follow the correct sequence (first water,
then power), the high limit safety cut-out will trip.
Proceed as follows:
»
Disconnect the appliance from the power sup
-
ply.
»
Fill the appliance with water.
»
Connect the appliance to the power supply.
10.1.1
Appliance handover
» Explain the functions of the appliance to the user.
Show the user how to operate the appliance.
» Make the user aware of potential dangers, especially
the risk of scalding.
» Hand over these instructions and, if applicable, the
instructions for any accessories.
10.2 Recommissioning
See chapter "Installation / Commissioning / Initial start-
up".
11. Settings
11.1
Setting the temperature limit
D
00000
45
67
1
1
2
1 Limiting ring
2 Temperature selector
Placing the limiting ring behind the temperature selector
allows you to limit the setting range of the temperature
selector to a specific maximum temperature.
» Turn the temperature selector to zero (fully an-
ti-clockwise to “
•
”).
» Pull off the temperature selector and the limiting ring.
» Push the limiting ring with the required maximum set-
ting onto the controller shaft.
» Install the temperature selector set to zero (•
).
12.
Shutdown
» Isolate the appliance from the power supply by
removing the plug or by tripping the MCB in the fuse
box.
» Drain the appliance (see chapter "Installation / Main-
tenance / Draining the appliance").
13. Troubleshooting
Fault
Cause
Remedy
The appliance
does not supply
hot water.
The high limit
safety cut-out has
tripped.
Remedy the cause of the fault.
If necessary, replace the tem-
perature controller. Allow the
appliance to cool down. If you
have isolated the appliance
from the power supply, the
high limit safety cut-out will be
reset automatically.
Loud boiling
noises inside the
appliance.
The appliance is
scaled up.
Descale the appliance.
