Appliance Shutdown; Initial Start-Up; Appliance Handover; Recommissioning - STIEBEL ELTRON DEL 18 Plus Bedienung Und Installation

INsTALLATIoN

Appliance shutdown

Changing connected load via jumper slot, DEL 18/21/24 Plus
only
If you select a connected load other than the 21 kW factory setting
for appliances with selectable connected load, you will need to
reposition the jumper.
f Install the jumper in the required position on the pin strip. f
Jumper position Connected load
18 18 kW
21 21 kW
24 24 kW
No jumper 18 kW

11.2 Initial start-up

f Open and close all connected draw-off valves several times, f
until all air has been purged from the pipework and the
appliance.
f Carry out a tightness check. f
f Activate the safety switch by firmly pressing the reset button f
(the appliance is delivered with the safety switch disabled).
f Connect the programming unit connecting cable to the PCB. f
Note
For undersink installation, the appliance cover should
be turned round for easier operation; see chapter "Alter-
native installation methods / Pivoting appliance cover".
f Hook the appliance cover at the top rear into the back panel. f
Pivot the appliance cover downwards. Check that the appli-
ance cover is securely fitted at both top and bottom.
32 | DEL Plus
≥ 60 s
f Tick the selected connected load and rated voltage on the ap- f
pliance cover type plate (on both sides). Use a ballpoint pen
to do this.
f Secure the appliance cover with the screw. f
f Fit the fascia to the appliance cover. f
f Switch on the power supply. f

11.2.1 Appliance handover

f Explain the appliance function to users and familiarise them f
with its operation.
f Make the user aware of potential dangers, especially the risk f
of scalding.
f Hand over the instructions. f

11.3 Recommissioning

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 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 a minimum of one minute until the f
appliance and its upstream cold water inlet line are
free of air.
f Switch the power back ON. f
12. Appliance shutdown
f Isolate all poles of the appliance from the power supply. f
f Drain the appliance (see chapter "Installation / Maintenance / f
Draining the appliance").

13. Alternative installation methods

Overview of the alternative types of installation
Electrical connection
On unfinished walls, connected from above
Unfinished walls, from below, short power cable
Installation on finished walls
water connection
Installation on finished walls
other
Installation with offset tiles
Pivoting appliance cover
WARNING Electrocution
Before any work on the appliance, ensure omnipolar
disconnection from the power supply.
IP rating
IP 25
IP 25
IP 24
IP rating
IP 24
IP rating
IP 25
IP 25
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