Operating Instructions and Installation Instructions

35
Installation – for qualied contractors
9.3 Installation versions
9.3.1 Power supply - unnished walls - from below
18
kW
24
21
1
3
5
4
2
26_02_02_0890
» Push the cable grommet over the power cable (1).
» Break out the cable grommet knock-out in the back
panel (2).
» Reposition the mains terminal from the top to the
bottom. For this, undo the screw and ret the mains
terminal to the bottom; then retighten the mains
terminal (3).
» Push the back panel over the threaded stud and the
cable grommet. Pull the cable grommet at the taps
into the back panel using pliers, until both locking
hooks audibly click into place (4).
» Push the back panel rmly and ush against the wall
and lock with the xing toggle (5).
9.3.2 Power supply - nished walls
Cut a cable entry point into the back panel for the power
cable or break out the appropriate knock-out.
325
50
50
35
40
b03
b02
b04
b04
b04
D0000019778
b02 Entry electrical cables 1
b03 Entry electrical cables 2
b04 Entry electrical cables 3
Note
With power supply on nished walls, the protection
rating is reduced to IP 24 (splashproof).
Mark the type plate with a permanent marker:
Cross out „IP 25“ and mark the box „IP 24“.
9.3.3 Priority control
When used in conjunction with other electrical appliances,
e.g. electric storage heaters, the load shedding relay can
be used. The load shedding relay LR 1-A must be installed
on a top-hat rail inside the distribution area.
LR 1-A
3
2
1
85_02_02_0003
1 Load shedding relay (see “Special accessories”).
2 Control cable to the contactor of the second
appliance (e.g. electric storage heater).
3 Control contact, opens when switching the
instantaneous water heater ON.
The relay trips as soon as the instantaneous water heater
starts.
Only connect the load shedding relay to the central phase
of the mains terminal.
9.3.4 Undersink installation, water connections
from the top
Undersink installation with water connections from the
top can be achieved with the additional pipe assembly
for undersink appliances. For this, cleanly break out the
apertures for the water pipes in the back panel and t the
pipe assembly.
9.3.5 Tap for nished walls
The pressure tap for nished walls is offered as special
accessory; see chapter “Special accessories”. For
installation, carry out the following steps:
» Fit the water plugs G ½” with gaskets to the
appliance water connections. The plugs are part of
the standard delivery of the tap.
» Install the tap.
» Push the free ends of the pipes into the valve.
» Click the lower part of back panel.
» Secure the connection pipes to the appliance.
» Cleanly break out the entries in the appliance cap
(1). If necessary, use a le.
» Secure the back panel at the bottom with two
additional screws (24).