6
Handing over
Explain the function of the unit to the user,
in particular, draw his attention to the safety
instructions. Hand over the installation and
operating instructions to the user.
Maintenance
Applicable to all maintenance work:
• Disconnect unit from the mains supply.
• Disconnect cold water pipe from unit.
• Remove unit, drain via the cold and hot
water connection pieces and place on a
table.
To remove the casing
(Fig. 11):
Pull off thermostat knob, remove screws.
On the under side, lower the locking
screws towards the inside by rotating
them counterclockwise or clockwise.
Swing open casing and remove. Untighten
the plastic band of the HF10L.
The unit is now accessible for all maintenance
work.
Exchange cable
If the electric cable has to be removed, the
plastic thread which holds the form plate must
not be removed!
Sensor positioning
HF05L
The thermostat sensor and the safety thermal
cut-out sensor in the HF05L are located in
different capillary tubes. The thermostat sen-
sor should be positioned in accordance with
Figure 12.
HF10L
The thermostat sensor and the safety thermal
cut-out sensor in the HF10L are located
within the same capillary tube and should be
positioned in accordance with Figure 13.
Descaling
Remove heating flange, remove coarse calci-
um with a piece of wood, immerse heating
element up to the flange plate into decalcitant.
Faults to be cleared by an
approved professional
If the thermal cut-out operates by
using the water heater normally, the
reason for the fault must rectified and the
thermostat must be replaced.
Environment and recycling
Recycling of obsolete appliances
Appliances with this label must not be
disposed off with the general waste.
They must be collected separately and
disposed off according to local regulations.
5135.01
4753.02
4754.01
Fig. 11
plastic band
HF10L only
8722.01
8721.01
200 mm
260 mm
130 mm
HF10L
Fig. 12
HF05L
Fig. 13/Afb. 13
Summary of Contents for Handyflow HF05L
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