Renfert Silent V4, Translation Of The Original Instructions For Use, Page: 43 / 269

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5.4.4 Priority of the Quattro Control-Box
The signals from a connected QCB have priority over the suction channel keys.
This means:
• A suction channel opened by the QCB cannot be closed by a suction channel key.
• If a suction channel has been opened by a suction channel key, and then in addition by the QCB, this
can no longer be closed via suction channel key, but instead can only be closed by the QCB.
5.4.5 Favorite Status
ONLY possible in the Multi Use mode!
The favorite status allows ONE suction channel to be designated an individual suction level.
If the suction channel with the favorite status is opened, the suction level is adjusted to this value and
then also applies to all opened suction channels.
If the suction channel with the favorite status is closed, the suction level then returns back to the level
selected in the multi use mode.
To designate the favorite status and suction level:
⇒ Press and hold down the suction tube key (42) of the selected tube until:
♦ The letter allocated to that particular suction channel blinks.
♦ A dot (40) shows the favourite status.
⇒ Using / keys (46, 48) select the required suction level.
⇒ Press the enter key (45).
♦ A short acoustic signal confirms that the favourite status has been assigned.
To cancel this procedure:
⇒ Press the menu key (30, Fig. 2).
It is not possible to select the turbo level on a suction tube which has the favorite status.
Cancel favorite status:
⇒ Press and hold down the suction tube key (42) from the channel with the assigned favorite status.
♦ The dot next to the letter will disappear.
5.5 Filter Cleaning
In order to guarantee maximum suction performance, the extraction unit has an automatic fine filter unit
cleaning mechanism.
The cleaning process takes approximately 20 sec. During this time no suction channel can be opened.
5.5.1 Cleaning when switched on
The cleaning process takes place each time the extraction unit is switched on.
♦ The display shows “Cod01”.
5.5.2 Cleaning during a work break
An indication that the filter will be cleaned in the next work break is shown as follows:
♦ The display shows “Cod01”.
♦ An acoustic signal is sent 3 x.
The cleaning process will take place as long as no suction channel is open.
A B C D
C
40
Fig. 12
42 45 46 48
EN