6
2.5
Retrofitting touchscreen operating unit
NOTICE
Incorrect wiring will result in unit damage.
Be sure to note the writing on the control unit
and control circuit board. Only connect in ac-
cordance with wiring diagram (
installation
instructions for ventilation unit).
Recommended installation location for
touchscreen operating unit – room temper-
ature sensor on underside –
●
Installation height approx. 1.5 m
●
Not in direct sunlight
●
Not above sources of heat
●
Not in cold draughts (doors, windows)
Preparations for mounting, by customer
1. Fit recessed-mounted box at installation
location.
2. Route connection cables at installation
location. Permitted: Shielded control cable,
e.g. LIYY 4 x 0.34 mm².
Fitting touchscreen operating unit at
installation location
1. Fit supplied mounting plate on re-
cessed-mounted box.
2. Wire supplied connector plug.
3. Attach
touchscreen operating unit
according to chapter 5.
Connecting cables in ventilation unit
1. Remove front cover(s)
Installation
instructions for ventilation unit.
2. Lift electronic slide-in module and pull
out of the electronics compartment. Hang
slide-in module in fitting studs (if present).
NOTICE
If the connection cables are too short, the
electronic slide-in module cannot be fully
pulled out/fitted.
Ensure connection cables
of a sufficient length inside the ventilation unit.
NOTICE
Danger of short-circuits/damage to unit
should water enter the electronics com-
partment.
Ensure a correct, sealed line feedthrough
through the cable feedthrough.
3. Correctly push through
cable feedthrough.
4. Guide connection cable
through cable feed-
through into ventilation
unit. Check for leaks
and remedy any found.
i
Only guide connection cable individ-
ually through the cable feedthrough.
Feedthroughs not needed must remain
sealed.
5. Wire cables on control circuit board A2,
terminal block X11 (RS 485) according to
wiring diagram of ventilation unit.
6. Slide the electronic slide-in module into
the electronic compartment and screw
down if necessary (depending on unit
type).
7. Fit front cover(s)
Installation instructions
for ventilation unit.
8. Switch on the mains fuse, switch on the
ventilation unit with the main switch.
9. Use commissioning software or
touch-
screen operating unit
to set
Basic set-
tings/comfort control unit
parameter
to
yes
.
10. Test settings and functions with touch-
screen operating unit.
