Handing over to the operator 7
0020264435_00 electronicVED Installation instructions
11
6.3
Checking the system's functionality
_
+
1.
Connect the product to the power mains (switch on the
fuse).
2.
Check the product's power while water is running at a
draw-off point.
3.
Turn the temperature selector from hot (left-hand stop =
approx. 30 °C) to hot (right-hand stop = approx. 60 °C).
6.4
Activating the scald protection function
1.
Disconnect the product from the power supply.
2.
Remove the product casing (
→
Page 7).
_
+
3.
Turn the temperature selector as far as it will go in an
anti-clockwise direction.
1
4.
Move the red lever
(1)
at the back of the product casing.
◁
This activates the scald protection function and en-
sures that the outlet temperature does not exceed
43 °C.
5.
Refit the product casing (
→
Page 10).
6.
Connect the product to the power mains (switch on the
fuse).
7
Handing over to the operator
1.
Provide the operator with all relevant instructions and
unit documentation for safe-keeping.
2.
Go through the operating instructions with the operator .
3.
Answer any questions they may have.
4.
Draw special attention to the safety instructions which
the operator must follow.
5.
Inform the operator that there is a risk of scalding when
the hot water temperature exceeds 43 °C.
6.
Inform the operator that they must not attempt to repair
the product under any circumstances.
7.
Inform the operator that they must not remove the
product casing.
8.
Inform the operator of the necessity to ensure that the
system is regularly inspected/maintained and that this
must only be carried out by a competent person (in-
spection/maintenance contract).
8
Recycling and disposal
Disposing of the packaging
▶
Dispose of the packaging correctly.
▶
Observe all relevant regulations.
9
Troubleshooting
9.1
Detecting and rectifying faults
Fault
Possible cause
Troubleshooting
Product discon-
nected from the
power supply
Building's fuse has
been tripped
▶
Replace the elec-
tronics system.
The safety switch in
the product has been
triggered
▶
Replace the elec-
tronics system.
No hot water; the
water remains
cold
Product is discon-
nected from the
power supply
▶
Check L1, L2
and L3 against PE
(230 V) and L1, L2
and L3 (400 V).
▶
If there is no
voltage, proceed as
described under
the fault "Product
disconnected from
the power supply".
The measured value
on the heating block
(connection 1
against connec-
tion 4) is greater
than 200
Ω
▶
Replace the heat-
ing block.
No relay clicking on
the electronics when
the draw-off starts
▶
Replace the im-
peller.
Other cause
▶
Replace the elec-
tronics system.
The water does
not become hot
enough
The set target tem-
perature or volume
flow are not set cor-
rectly
▶
Set the target
temperature to
approx. 40 °C and
the volume flow to
approx. 5 l/min.
