STIEBEL ELTRON DEL 18/21/24 Plus - Commissioning and Appliance Shutdown

INSTALLATION
Commissioning
ENGLISH
www.stiebel-eltron.com DEL Plus | 35
11. Commissioning
11.1 Preparation
Internal anti-scalding protection via jumper slot
43
50
55
60
D0000089184
Jumper position Description
43 Forexample in nurseries, hospitals, etc.
50
55 Max. for shower operation
60 Factory setting
No jumper Limited to 43°C
 Install the anti-scalding protection setting jumper in the re-
quired position (= temperature in °C) on the pin strip.
CAUTION Burns
If operating with preheated water, e.g. if using a solar
thermal system, the internal anti-scalding protection and
the temperature limit Tmax, which can be set by the user,
may be exceeded.
 In this case, limit the temperature with an upstream
central thermostatic valve (e.g. ZTA3/4).
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.
1
2
3
D0000089187
 Install the jumper in the required position on the pin strip.
Jumper position Connected load
1 18kW
2 21kW
3 24kW
No jumper 18kW
11.2 Initial start-up
≥ 60 s
D0000053277
 Open and close all connected draw-off valves several times,
until all air has been purged from the pipework and the
appliance.
 Carry out a tightness check.
D0000053278
 Activate the safety switch by firmly pressing the reset button
(the appliance is delivered with the safety switch disabled).
D0000073198
 Connect the programming unit connecting cable to the PCB.
Note
For undersink installation, the appliance cover should
be turned round for easier operation; see chapter "Alter-
native installation methods/ Pivoting appliance cover".
D0000053280
 Hook the appliance cover at the top rear into the back panel.
Pivot the appliance cover downwards. Check that the appli-
ance cover is securely seated at both top and bottom.
 Tick the selected connected load and rated voltage on the ap-
pliance cover type plate (on both sides). Use a ballpoint pen
to do this.
 Secure the appliance cover with the screw.
 Fit the fascia to the appliance cover.
 Remove the protective film from the user interface.
D0000053281
 Switch on the power supply.