Overflow Apertures; Commissioning; Initial Start-Up - STIEBEL ELTRON LWZ 130 Bedienung Und Installation

INSTALLATIoN

Commissioning

f Carefully put the plug into the flat insulation semi-shell of
the strain relief casing so that the terminal labelling remains
visible. The locking tabs on the sides of the plug must engage
in the top tabs of the strain relief casing.
f Make sure that the strain relief gutter is inserted in the upper
insulation semi-shell of the strain relief casing.
f Push the upper insulation semi-shell carefully onto the lower
insulation semi-shell. The locking tabs on the sides of the
lower insulation semi-shell must engage in the recesses of
the upper insulation semi-shell.
Programming unit
3
1 Programming unit
2 Wall mounted enclosure
3 6-pin female connector
f Connect the bus cable to the ventilation unit.
f Connect the bus cable to the female connector.
Safety extra low voltage
Not assigned
Not assigned
GND
+5 V DC
SDA
SCL
f Connect the female connector to the back of the program-
ming unit.
f Click the programming unit carefully into place in the wall
mounted enclosure.
Safety equipment for stove/fireplace operation
f Install the safety equipment in such a way that it interrupts
the appliance power supply when required.
Intensive ventilation switching contact
You can connect a floating switching contact, the actuation of
which switches the appliance to intensive ventilation. You can set
the runtime for intensive ventilation in the "Intens. vent. time"
parameter. After this time has expired, the unit switches back to
the previously selected fan setting.
f Connect the external pushbutton to terminals 13/14.
www.stiebel-eltron.com
1
2
6-pin female connector
Window contact
You can connect a window contact to terminal X18. The window
contact is required for bypass mode. The appliance checks wheth-
er a window contact is connected and activated at X18.
The window contact must be an N/O contact.

10.7 Overflow apertures

Create suitable overflow apertures in the supply air area or over-
flow area. This is essential, as bypass mode is not possible without
it.
11. Commissioning
WARNING Injury
!
If the unit is switched on without the air ducts connected
and someone reaches through the air connectors into the
unit, there is a risk of injury.
Do not commission the unit until the air ducts are firmly
connected to it.
Material losses
!
Never operate the unit without filters.
Material losses
!
Never operate the ventilation system if there are high lev-
els of dust inside the building or outside in the immediate
vicinity, as this could block the filter. Dust is created by
cutting tiles or working with plasterboard, for example.
Note
Observe the operating instructions. It explains which pa-
rameters can also be set by the appliance user.

11.1 Initial start-up

1
2
Settings
3
4
5   View
6
When you enter a four-digit code, additional actual values and
parameters become visible, which were previously hidden from
the appliance user.
f To access actual values and parameters which are reserved
for qualified contractors, enter the code "1 0 0 0" for "View".
Press "OK".
"Service" is shown on the display, when this is entered correctly.
Note
After entering the code, switch to the menu by pressing
the "MENU" button. If you first switch to the home screen,
the parameter block is reactivated.
LWZ 130 | LWZ 130 Enthalpie | 51