Grundfix Plus-Control – Modell 4987.41
74
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Operation
H
The front of the control unit has the LCD display and T1, T2 and T3 buttons. The button functions depend on the current operating
status of the system (see overview below).
The following operating statuses are shown on the display: No. 1 – 3 with backflow protection (no. 3 for 24 hours), no. 4 as a fault
example with immediate need for action
1)
.
No.
Display
Operating mode
Warning signal
1
Normalbetrieb
RV-geöffnet (Norm.
operation NRV open)
Motor-driven flap open, power supply 230 V
–
2
Rückstau RV-Ge-
schlossen (Back
pressure NRV closed)
Motor-driven flap closed
Warning signal every
10 seconds
3
Akkubetrieb RV-
geöffnet
(Battery operation
NRV open)
Mains 230 V voltage fails
Battery has taken over the power supply
Backflow protection is assured
Warning signal every
10 seconds
4
1)
Fehler Motorstörung
RV-geöffnet
(Error motor fault
NRV open)
Rückstau
Notverschl schließen
(Back pressure close
energency lock)
Pressure switch detects backflow, the motor-driven flap cannot be
closed, it is blocked or the motor is defective – risk of flooding!
Suggestion to use manual emergency shut-off.
Continuous signal
1)
Overview of all fault messages see chapter "Troubleshooting"
Further information in the menus or during the changing of the operating conditions are explained in the following chapter.
Button functions in normal operation
In normal operation, control parameters can be entered and information can be called up with the T1, T2 and T3 buttons.
The button functions are combined as follows
Q
Q
Menu T1
Scroll through menus with repeated pressing / Display ascending values in the submenu
Q
Q
Test T2
Display descending values in the submenu
Q
Q
Reset T3
1st press = enter menu / 2nd menu = exit menu and save selected values
The available menus to set the control parameters are displayed by pressing the Menu button (T1) repeated on the display. With
the Reset (T3) button, you can access a menu and save and exit the menu after selected a suitable value. Within the menus, you can
scroll up and down through the values with the T1 and T2 buttons.
Example:
The system is in normal operation and the self-test should be switched
on
Q
Q
Press T1 repeated, until »Selbsttest Ein / Aus« "Self-Test On / Off" appears on the display
Q
Q
Press T3 – Display: "Aus" (Off)
Q
Q
Press T2 – Display: "Ein" (On)
Q
Q
Press T3 – "Ein" (On) is saved – the menu is exited – Display »Normalbetrieb« (Norm. operation)
The self-test is switched
on
and takes place at the predefined time.
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