Cleaning, Care And Maintenance; Troubleshooting; Installation; Safety - Stiebel Eltron DHB 18 STi Utilisation Et Installation

oPerATIoN | INSTALLATIoN

Cleaning, care and maintenance

Following an interruption to the water supply
Material losses
!
To ensure that the bare wire heating system is not dam-
aged following an interruption to the water supply, the
appliance must be restarted by taking the following steps.
f Disconnect the appliance from the power supply by f
removing the fuses/tripping the MCBs.
f Open the tap for one minute until the appliance and f
its upstream cold water inlet line are free of air.
f Switch the power back ON. f
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.
6.

Troubleshooting

Problem Cause
The appliance will not There is no power.
start despite the DHW
valve being fully open.
The aerator in the tap
or the shower head is
scaled up or dirty.
The water supply has
been interrupted.
When hot water is being The air sensor detects air
drawn off, cold water in the water and briefly
flows for a short period. switches the heater off.
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).
DHB ... STi
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INSTALLATIoN

7.
Only a qualified contractor should carry out installation, commis-
sioning, maintenance and repair of the appliance.
7.1
We guarantee trouble-free function and operational reliability only
if original accessories and spare parts intended for the appliance
are used.
remedy
Check the fuses/MCBs in
your fuse box/distribu-
tion board.
Clean and/or descale the
aerator or shower head.
7.2
Vent the appliance and
the cold water supply line
(see chapter "Operation /
Recommended settings /
Following an interruption
to the water supply").
The appliance restarts
automatically after
- The IP 25 (hoseproof) rating can only be ensured with a cor-
1 minute.
- The specific electrical resistivity of the water must not fall
8.
8.1
The following are delivered with the appliance:
- Wall mounting bracket
- Installation template
- 2 twin connectors
- Cold water 3-way ball shut-off valve
- DHW tee
- Flat gaskets
- Strainer
- Flow limiter
- Plastic profile washer

Safety

General safety instructions

Material losses
!
Observe the maximum permissible inlet temperature
(see chapter "Installation / Specification / Data table").
Higher temperatures may damage the appliance. The
inlet temperature can be limited by means of a central
thermostatic valve (see chapter "Installation / Appliance
description / Accessories").
WARNING Electrocution
This appliance contains capacitors which are discharged
when disconnected from the power supply. The capacitor
discharge voltage may briefly reach > 60 V DC.

Instructions, standards and regulations

Note
Observe all applicable national and regional regulations
and instructions.
rectly fitted cable grommet.
below that stated on the type plate. In a linked water net-
work, factor in the lowest electrical resistivity of the water
(see chapter "Installation / Specification / Data table"). Your
water supply utility will advise you of the specific electrical
water resistivity or conductivity.

Appliance description

Standard delivery

DHB STi | 21