Harvia Sentiotec Pro D2W Mode D'emploi page 22

Installation instructions, for professionals only p. 22/70
4. The front panel of the control unit is inserted with slight pressure into the hous-
ing. Ensure that the lower catches engage noticeably.
Fig. 7 In- stalling the control panel
5. Connect the 4-pin connector to the RJ11 socket on the control unit.