www.stiebel-eltron.com DEM | 45
INSTALLATION
Shutting down
Limiting the flow rate
Factory setting: Maximum flow rate
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Using the adjusting screw, set the maximum required flow
rate:
- Lowest flow rate = wind the screw in as far as it will go.
- Highest flow rate = wind the screw out as far as it will go.
Fit the appliance cover.
12. Shutting down
Isolate the appliance from the power supply by means of the
fuse/MCB in your fuse box or by pulling the power cable plug
from the socket.
Drain the appliance (see chapter “Maintenance”).
13. Troubleshooting
Problem Remedy
The appliance will not
start despite the DHW
valve being fully open.
The aerator in the tap is
scaled up or dirty.
Clean and/or descale the
aerator or replace the spe-
cial aerator.
The flow rate is set too
low.
Increase the flow rate.
The sieve in the cold water
line is blocked.
Clean the sieve after
shutting off the cold water
inlet line.
The heater is faulty.
Check the resistance of
the heating system and
replace the appliance if
required.
The safety pressure limiter
has responded.
Remedy the cause of the
fault. Isolate the appliance
from the power supply and
depressurise the water
line. Activate the safety
pressure limiter.
The required tem-
perature is not being
reached.
The appliance operates at
its output limit.
Reduce the flow rate.
293811_DEM 3-7_de_en_fr_nl.indb 45 11.10.2017 13:34:54
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