Commissioning; Initial Start-Up; Recommissioning; Settings - STIEBEL ELTRON UFP 5 t Si Operation And Installation

INSTALLATION

Commissioning

10. Commissioning
WARNING Electrocution
Commissioning may only be carried out by a qualified
contractor in accordance with safety regulations.

10.1 Initial start-up

1.
f Either open the DHW valve of the tap or set the mono lever f
mixer tap to "hot" until the water that flows out is free of air
bubbles.
f Insert the plug into the standard socket or set the fuse/MCB f
in the fuse box.
f Select a temperature. f
f Check the entire hydraulic installation for tightness. f
Note
If you fail to follow the correct sequence (first water, then
power), the high limit safety cut-out will trip.
Proceed as follows:
f Disconnect the appliance from the power supply. f
f Fill the appliance with water. f
f Connect the appliance to the power supply. f
10.1.1 Appliance handover
f Explain the functions of the appliance to the user. Show the f
user how to operate the appliance.
f Make the user aware of potential dangers, especially the risk f
of scalding.
f Hand over these instructions and, if applicable, the instruc- f
tions for any accessories.

10.2 Recommissioning

See chapter "Installation / Commissioning / Initial start-up".

11. Settings

11.1 Setting the temperature limit

1 Temperature selector
2 Limiting ring
16 | UFP 5 t Si
Placing the limiting ring behind the temperature selector allows
you to limit the setting range of the temperature selector. The
appliance temperature can be limited to either a maximum or
minimum temperature.
The limiting ring has four holes and two end-stops around its
edge. The holes are inscribed with temperature markings. Insert
the limiting ring into the appliance cover so that the spike in the
appliance cover pokes through one of the holes with a tempera-
ture marking. The inscription on the limiting ring must be visible
after insertion.
2.
Setting a maximum temperature of 45 °C, 55 °C, 65 °C
f Turn the temperature selector to zero (fully anti-clockwise to
f Pull off the temperature selector and the limiting ring.
f Insert the limiting ring into the appliance cover so that the
f Install the temperature selector set to zero (°C).
The maximum appliance temperature is limited to the temperature
indicated on the chosen hole.
Setting a minimum temperature limit > 65 °C
f Turn the temperature selector clockwise as far as it will go
f Pull off the temperature selector and the limiting ring.
f Insert the limiting ring into the appliance cover so that the
f Install the temperature selector set as far clockwise as possi-
The temperature can be set to between 65 and 85 °C.

12. Shutdown

f Isolate the appliance from the power supply by removing the
f Drain the appliance (see chapter "Installation / Maintenance /

13. Troubleshooting

Problem
The appliance does
not supply hot
water.
Loud boiling noises
1
inside the appliance.
2
f
"°C").
f
f
spike in the appliance cover pokes through the hole with the
required temperature marking.
f
f
(85).
f
f
spike in the appliance cover pokes through the hole with the
55 temperature marking.
f
ble (85).
f
plug or by tripping the MCB in the fuse box.
f
Draining the appliance").
Cause
The high limit
safety cut-out has
responded.
The appliance is
scaled up.
Remedy
Remedy the cause of the fault. If
necessary, replace the temperature
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.
Descale the appliance.
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