Appliance Description; Settings; Cleaning, Care And Maintenance; Troubleshooting - Stiebel Eltron DHC 3 Utilisation Et Installation

OPERATION

Appliance description

3. Appliance description
The hydraulically controlled small instantaneous water heater is
switched on automatically by the hydraulic control unit.
The appliance heats the water directly at the draw-off point as
and when required. The short pipe runs ensure that energy and
water losses are minimal.
The DHW output depends on the cold water temperature, the heat-
ing output and the flow rate.
The tubular heater system is suitable for soft water areas.
The appliance is equipped with overheating protection.
4.

Settings

The heating system of the appliance starts automatically and heats
the water as soon as you open the DHW valve at the tap.
For appliance start-up volume, see chapter "Specification".
2
1 Power indicator
2 Overheating indicator
Note
In the event of the appliance overheating, the overheating
indicator illuminates.
The water temperature can be adjusted at the tap:
Increasing the temperature
f Reduce the flow rate at the tap. f
Reducing the temperature
f Open the tap further or add more cold water. f
Following an interruption to the water supply
See chapter "Commissioning / Recommissioning".
5.

Cleaning, care and maintenance

f Never use abrasive or corrosive cleaning agents. A damp f
cloth is sufficient for cleaning the appliance.
f Check the taps regularly. Limescale deposits at the tap out- f
lets can be removed using commercially available descaling
agents.
f Have the electrical safety of the appliance regularly checked f
by an electrician.
18 | DHC
1
6.

Troubleshooting

Problem Cause
The appliance will not There is no mains volt-
start despite the DHW age at the appliance.
valve being fully open.
The tap or shower head
is scaled up or dirty.
The water supply has
been interrupted.
No hot water flowing and The appliance has over-
overheating indicator heated; heating output
illuminated. has been interrupted.
The extracted water vol-
ume is too low.
If you cannot remedy the fault, notify your qualified contractor.
To facilitate and speed up your request, provide the number from
the type plate (000000-0000-000000).
DHC. . . no.: 000000-0000-000000
Remedy
Check the fuse/MCB in
your fuse box/distribu-
tion panel.
Clean and/or descale the
tap/shower head.
Vent the appliance and
the cold water inlet line
(see chapter "Settings").
Open the tap further.
After cooling down, the
appliance switches on
again automatically.
www.stiebel-eltron.com