
Remote control installation
6 720 680 078
(2011/09)
14
4
Remote control installation
4.1
Remote control transceiver PCB
installation
Pre-installation preparation
B
Loosen the two Philips head screws located on bot-
tom rear of cover.
B
Lift front cover upward and remove.
B
Remove the three screws from the control unit (Fig. 2,
pos.1).
Fig. 2
B
Remove the 6 screws from the back cover of the con-
trol unit, to access the electronic board (PCB) (Fig. 3,
pos.2).
Fig. 3
Remote control transceiver PCB installation
B
Place the remote control PCB in the back cover of the
control unit as shown in Fig. 4.
Fig. 4
B
Connect the supplied cable between the main PCB
and the remote control PCB as shown in Fig. 5.
Fig. 5
B
Reassemble all parts in the reverse order.
WARNING:
Electrical discharge!
B
For safety reasons, disconnect the pow-
er supply to the water heater before per-
forming installation.
6720608920-38.1Av
6720606990-10.1AL