28
For contractors
3.1
General installation information
At the factory, the device is prepared for a power connection from the top from an installation below
the plaster (see Fig.
C
-
I
):
• The device is suitable for above or undersink installation
C
.
• Water connection - threaded fittings below the plaster.
• Power connection below the plaster in the upper device area.
3.2
Installation site
Install the instantaneous water heater according to the figure
C
(a-oversink or b-undersink) vertically, flush
with the wall and in a room free from the risk of frost.
3.3
Preparing the device installation
• Open the device
D
:
a
Disengage the locking device with a screwdriver.
b
Open and remove the device cap.
• Remove the lower part of the back panel
E
:
a
Push in both locking hooks.
b
Remove the lower part of the back panel towards the front.
• Break out the cable grommet knock-out in the back panel (
F
a). If the wrong knock-out has been
opened by mistake, a new back panel must be used.
• Trim the power cable to size (
F
b).
• Remove the protective transport plugs from the water connections.
3.4
Fitting the mounting bracket
G
• Mark out the holes to be drilled using the installation template supplied (existing/suitable AEG mounting
bracket can be used).
• Secure the mounting bracket with 2 screws and rawl plugs (not part of the standard delivery; select in
accordance with the material of the fixing wall).
• Insert the studs supplied into the mounting bracket.
3.5
Equipment installation
G
• Seal in and insert the twin nipples.
• Push the cable grommet (4) over the power cable.
• Slide the back panel over the studs and the cable grommet, pull the cable grommet with a pair of pliers
against the locking hooks and let both hooks audibly click into place.
• Push the back panel firmly and flush against the wall and lock with the fixing toggle (11). At the bottom,
the device can be secured with 2 additional screws (
M
19).
3.6
Water connection
H
• Position the threaded connections with flat packing onto the twin nipples; for this observe the correct
seating of the connections (never twist the bayonet closures inside the device).
Important information
:
• Thoroughly flush the cold water supply line.
• Never use the shut-off valve in the cold water supply (17) to reduce the flow rate.
3.7
Power supply
• Connect the power cable to the terminal strip (see wiring diagram
I
).
BHZ = Heating system
MS
= Micro switch
MRF = Output switch unit
AP3
= Safety pressure limiter
Important information
:
• The protection level IP 25 (hoseproof) is only assured if the cable grommet is fitted correctly (
G
or
K
)
and if the cable sheath is sealed correctly.
• Connect the equipment to earth.
• For supply cables > 6 mm², increase the hole in the cable grommet.
3.
Standard installation
for contractors
Power: Unfinished walls - top; Water: Unfinished walls
Summary of Contents for DDLT PinControl 13
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