Fault Code Display; Maintenance; Specification; Dimensions And Connections - STIEBEL ELTRON DEL 18 Plus Operation And Installation Manual

INSTALLATION
Maintenance
15.1
Fault code display
If there is an appliance fault, the spanner flashes on the display.
• To call up the fault code display, press the ECO button for
more than
5
seconds.
Diagnostic traffic
lights ( draw- off
mode)
Green flashing, yellow
off, red on
Green flashing, yellow
off, red on
Display shown Fault Cause
Spanner flashes ( display El No DHW; outlet temperature Safety switch not activated during
and spanner in menu " Fault does not match set value " Commissioning"
code display")
Spanner flashes ( display E2 No DHW
and spanner in menu " Fault
code display")
Remedy
Activate safety switch by pressing the
reset button firmly
Safety switch triggered by high limit Check high limit safety cut-out ( plug-in
safety cut-out connection, connecting cable); activate
safety switch
Safety switch responds again after high Replace high limit safety cut-out; acti-
limit safety cut-out has been checked; vate safety switch and draw off water
high limit safety cut-out faulty at the maximum set value for > 1 min
Safety switch responds again; PCB Replacing the function module
faulty
PCB faulty ( lead break or short circuit Replacing the function module
in inlet sensor)
Green flashing, yellow Spanner flashes ( display E3 No DHW
off, red on and spanner in menu " Fault
code display")
Short circuit in outlet sensor Check outlet sensor; replace if neces-
sary
16.
Maintenance
WARNING Electrocution
Before any work on the appliance, disconnect all poles
from the power supply.
This appliance contains capacitors which are discharged
when disconnected from the power supply. The capacitor
discharge voltage may briefly exceed 60 V DC.
Draining the appliance
The appliance can be drained for maintenance work.
WARNING Burns
Hot water may escape when you drain the appliance.
• Close the
3
-
way
ball shut-off valve or the shut-off valve in the
cold water inlet line.
• Open all draw- off valves.
• Undo the pipe connections from the appliance.
• Store the dismantled appliance in a room free from the risk
of frost, as water residues remaining inside the appliance can
freeze and cause damage.
Cleaning the strainer
If dirty, clean the strainer in the threaded cold water fitting. Close
the
3
-
way
ball shut-off valve or the shut-off valve in the cold water
inlet line before removing, cleaning and refitting the strainer.
17.
Specification
17.1 Dimensions
and connections
e
225
140
o o®,
:30
OE—
y
:
i
100
COE)
b02 Entry electrical cables I On unfinished walls
c01 Cold water inlet Male thread
DEL Plus
G 1/2 A
c06 DHW outlet Male thread G 1/2 A
LOE,
z
UJ
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DEL Plus
41