Getting to know your appliance
TR3500T – 6 720 875 999 (2018/01)
10
7 Getting to know your appliance
With this small water heater, you can heat up and store water up to 75 °C
to meet your requirements. On request, the temperature can be limited
to approx. 55 °C by a specialist. You can also obtain cold water from
the mixer tap at any time.
The appliance can be used to supply one (open circuit operation)
or more (closed circuit operation) taps.
Operating elements (Fig. 1)
1. Housing
2. Temperature selector switch
3. Cold water supply
4. Hand shower
7. Mixer tap
8. Hot water outlet
8 Operating the appliance
Open circuit operation (unpressurised): Always keep the spout free.
Do not use perlators.
Water drips out of the spout during heating.
Closed circuit operation (pressure-resistant): Water drips out of
the safety valve overflow during heating.
• Switch on the heater with the temperature selector switch.
• The hot water temperature can be limited between position O
and position 3 (see “Limiting the water temperature”, page 9).
• Turn the temperature selector switch to position “O” to stop
the heater.
8.1 Setting the water temperature
The specified temperatures are average values. They may vary according
to local conditions.
NOTICE:
Note: Most efficient operation results with the recommended
setting eco (≈ 35 °C). In setting 2 there is no longer any growth
of legionnaire’s disease bacteria. Legionnaire’s disease bacteria are
killed in setting 3.
8.2 Cleaning
• Simply wipe the appliance and mixer tap with a damp cloth.
Do not use acidic or abrasive cleaning materials.
8.3 Maintenance for the customer
• If required, unscrew the shower head or outlet pipe and descale with
a commercially available descaler or household vinegar.
• Only pressure-resistant operation: The safety valve must be operated
regularly to verify its function and to descale the valve.
• When the water flows out of the hot water tap much more slowly with
the tap fully open, this is an indication that the appliance requires
dechalking. Call a specialist immediately otherwise the water heater
could be subjected to high pressures.
WARNING:
Decalcifying, internal cleaning and repairs to the appliance may
only be performed by one of our authorised customer service
representatives.
9 A fault, what to do?
WARNING:
Attention!
Repairs must only be carried out by an authorised technician. Improper
repairs can lead to risk of serious injury to the user.
If your appliance does not operate as required, it is often due to a very
minor problem. Please check whether you can remedy the fault yourself
by using the following guidelines. You will save yourself the costs of an
unnecessary visit by customer service personnel.
• The electrical mains supply and the water supply must be shut
off before all work on the appliance.
If the fault could not be eliminated, please call customer service.
O Off
In this position the appliance is additionally protected against
frost damage.
eco Recommended setting for optimum energy saving (≈ 35 °C)
2 Setting for the average hot-water requirement,
e. g. for washing dishes (at ≈ 55 °C)
3 Setting for hot water and greater warm water requirement,
e. g. for cleaning (≈ 75 °C)
Fault Cause Solution Who
The appliance does not start (heat),
only cold water flows.
The fuse in the house electrical installation
has tripped/blown.
Check the fuse in the house electrical installation. Customer
The mains plug is not inserted. Insert the plug into the mains socket. Customer
The safety temperature limitation
has tripped
Unplug the mains plug or turn off the mains voltage,
open the warm water tap and allow approx. 4 litres
of water to flow. Insert the plug into the mains socket
or turn on the mains voltage.
Customer
Too low a water flow or no water
flow.
The filter in the tap is clogged. Remove the filter and either clean it or descale it. Customer
The water outlet or the tap is clogged
by limescale.
Descale or install a new fitting. Servicing
expert
The warm water connection nozzle
is clogged.
Clean the warm water connection nozzle
and exchange the water connection if necessary.
Servicing
expert
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