Instructions

Table Of Contents
120
EN
23. Dismantling
i
DANGER!
There is a risk of fatal electric shock when touching
electrical components.
Disconnect all phases of the mains power cable and secure
it to prevent any reconnection. Check that the system is
de-energised.
1. Log the DuoFern Room Thermostat 2 off the DuoFern network.
2. Switch off the mains power, secure it from restarting and check
that the system is de-energised.
3. Carefully pull the operating unit out of the installation housing.
4. Remove the frame.
5. Release the claw fasteners of the installation housing and pull it
out of the flush-mounted box.
6. Disconnect the connecting cable from the installation housing.
7. Secure the connection point against restarting and the
connecting cable from unintentional contact.