Retrofitting touchscreen operating unit
NOTICE Incorrect wiring will result in unit damage.
Be sure to note the writing on the operating unit and control circuit board. Only connect as shown in the enclosed wiring plan.
Recommended installation location for touchscreen operating unit – room temperature 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 installation, to be made by customer
- Flush-mounted box at installation location.
- 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
- Fit supplied mounting plate on flush-mounted box.
- Wire supplied connector plug.
- Attach touchscreen operating unit (steps ① to ③)
- Plug connector plug into operating unit and screw in.
- Push the operating unit onto the mounting plate and snap it into place.
- Check the function of the touchscreen operating unit.
Connecting cables in ventilation unit
- Remove front cover(s) → Installation instructions for ventilation unit.
- 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 compartment.
Ensure correct, tight line feed through the cable feedthrough.
- Correctly push through cable feedthrough.
- Guide connection cable through cable feedthrough into ventilation unit.
- Check for leaks and remedy any found.
Only guide connection cable individually through the cable feedthrough. Feedthroughs which are not needed must remain sealed.
- Wire cables on control circuit board A2, terminal block X11 (RS 485) according to wiring diagram of ventilation unit.
- Slide the electronic slide-in module into the electronic compartment and screw down if necessary (depending on unit type).
- Attach front cover(s) → ventilation unit’s installation instructions.
- Switch on the mains fuse, switch on the ventilation unit with the main switch.
- Use the commissioning software to set the parameter Basic settings / Comfort control unit to RLS T2 WS.
- Test settings and functions with the touchscreen operating unit.