Electrical Connection - STIEBEL ELTRON LWZ 130 Bedienung Und Installation

INSTALLATIoN
Installation
Installing the wall mounted enclosure
1 Flush box
f Secure the wall mounted enclosure to the flush box or to the
wall using the screws provided.

10.6 Electrical connection

WARNING Electrocution
Carry out all electrical connection and installation work
in accordance with national and regional regulations.
WARNING Electrocution
The connection to the power supply must be in the form
of a permanent connection. Ensure the appliance can be
separated from the power supply by an isolator that dis-
connects all poles with at least 3 mm contact separation.
This requirement can be met by contactors, isolators,
fuses, etc.
WARNING Electrocution
Before any work on the appliance, isolate the connecting
cables in the control panel.
WARNING Electrocution
Do not install the appliance if it is damaged and there is
a risk that live components could be touched.
f Check the appliance for external damage.
Material losses
!
Observe the fuse protection required for the appliance
(see chapter "Specification / Data table").
Note
For the power cable, connections and connecting cables
to external control equipment, observe chapter "Electrical
connection" and the wiring diagram in chapter "Speci-
fication".
Take the power consumption of the preheating coil into consid-
eration.
50 | LWZ 130 | LWZ 130 Enthalpie
1
X1 Power supply
X11 Programming unit ( Safety extra low voltage )
X18 Window contact ( potential-free )
X19 No function
X20 Intens. vent. ( potential-free )
4-pin female connector
X11-1
X11-2
X11-3
X11-4
Power supply
The appliance is delivered with a power cable without a plug.
Strain relief casing
Note
Never place the half shells of the strain relief casing to-
gether before you have prepared the cable and connected
the plug.
Cable cross-section
Sheath diameter
Insulation stripping length
f Prepare the end of the cable by stripping the sheath and
insulation.
f Push the wires into the side of the plug labelled with the
terminal assignment. If necessary, press a screwdriver on the
clamping springs to make it easier to insert the wires.
Elektr. Anschluss
Electr. Connection
X11
Fernbedienung
Remote Controller
X18
Passivkühlung
Passive Cooling
X20
Intensivlüftung
Intensive Ventilation
Netzanschluss
Mains Connection
X19
Keine Funktion
No Function
326775-K40138
Safety extra low voltage
2.
1.
2
mm
mm
mm
www.stiebel-eltron.com
X1
SDA
+5 V DC
GND
SCL
0.25 - 1.5
4.5 - 8
9