Installation; Safety; General Safety Instructions; Instructions, Standards And Regulations - STIEBEL ELTRON DEL 18 SL Operation And Installation

Electronically controlled instantaneous water heater
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OPERATION

Safety

INSTALLATION

7. Safety
Only a qualified contractor should carry out installation,
commissioning, maintenance and repair of the appliance.

7.1 General safety instructions

We guarantee trouble-free function and operational
reliability only if original accessories and spare parts
intended for the appliance are used.
Flow pressure
If the flow rate is not sufficient to switch on the appliance
even when the tap is open, remove the flow limiter and
replace it with the plastic profile washer supplied.
If required, the pressure in the water installation can
also be raised.
Note
To ensure the thermostatic valve works properly,
you should not replace the flow limiter in this valve
not replace the flow limiter in this valve with the
plastic profile washer.
Material losses
!
Observe the maximum inlet temperature. Higher
temperatures may damage the appliance. You can
limit the maximum inlet temperature by installing a
central thermostatic valve (see chapter" Appliance
description Accessories").
7.2

Instructions, standards and regulations

Note
Observe all applicable national and local instructions and
regulations, e.g. DIN 1988 / DIN EN 806 in Germany.
- The protection rating IP 25 (hoseproof) can only be
ensured with a correctly fitted cable grommet.
- The specific electrical resistance of the water must not
fall below that stated on the type plate. In a linked water
net work, factor in the lowest electrical resistance of
the water (see chapter " Specification / Application
areas"). Your water supply utility will advise you of the
specific electrical water resistance or conductivity.
27
| DEL SL electronic LCD

8. Appliance description

8.1 Standard delivery

The following are delivered with the appliance:
- Wall mounting bracket
- Installation template
- 2 twin connectors
- Cross-piece
- Tee
- Flat gaskets
- Strainer
- Plastic profile washer
- 2 flow limiters
- Plastic connection pieces / installation aid
- Cover and back panel guides

8.2 Accessories

Taps/valves
- MEKD - kitchen pressure tap
- MEBD - bath pressure tap
Plug G1/2 A
The plugs are required if you use any taps other than the
pressure taps for finished walls recommended in the
accessories.
Installation set for finished walls
-
Solder fitting - copper pipe for solder connection Ø12mm
- Compression fitting - copper pipe
- Compression fitting - plastic pipe (suitable for Viega: San
fix-Plus or Sanfix-Fosta)
Universal mounting frame
Mounting frame with electrical connections.
Pipe assembly for undersink appliances
This assembly is required for undersink installation where
you need to have the water connections (G3/8A) above the
appliance.
Pipe assembly for offset installation
This pipe assembly with pipe bends is required if you
need to have the appliance vertically offset against the water
connection by approx. 90mm downwards.
Pipe assembly for replacing a gas water heater
This pipe assembly is required if the existing installation has
gas water heater connections (cold water connection on the
left and DHW connection on the right).
Pipe assembly for DHB water plug-in couplings
2 water plug-in couplings for connecting the appliance to the
existing water plug-in connections of a DHB.
-
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