Retrofitting the RLS T2 WS control unit
Incorrect wiring will result in unit damage.
Be sure to note the writing on the control unit and control circuit board. Only connect as shown in the enclosed wiring plan.
The commissioning software must be installed for the touchscreen control unit. For download and further information see Chapter 1, Instructions, Software, Links, Videos.
Recommended installation position of the room temperature sensor (bottom side of the RLS T2 WS)
- 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 control unit at installation location
- Fit supplied mounting plate on flush-mounted box.
- Wire supplied connector plug.
- Attach the control unit (steps ① to ③) → Wiring diagrams.
- Plug connector plug into control unit and screw in.
- Push the control unit onto the mounting plate and snap it into place.
- Check the functions on the control unit.
Lead the connection lines into the ventilation unit and wire them electrically
- Remove front cover of ventilation unit → Ceiling/wall installation.
- Remove the screw on the electronics slide-in module, pull the electronics slide-in module out of the electronics compartment and hook it into the securing groove of the ventilation unit frame.
- If the connection cables are too short, the electronics slide-in module cannot be fully pulled out/fitted.
Ensure connection cables of a sufficient length inside the ventilation unit.
- Danger of short-circuits/damage to unit should water enter the electronics compartment.
Ensure correct, tight line feedthrough 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 electrically on the control circuit board A2, terminal block X11 (RS 485), according to the wiring diagram of the ventilation unit → Wiring diagrams.
- Push the electronics slide-in module into the electronics compartment and screw it tight.
- Attaching front cover.
- Switch on the mains fuse, the ventilation unit switches on.
- Use the Commissioning software to set the Basic settings / Comfort control unit parameter to RLS T2 WS.
- Test settings and functions.