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Connection and terminal designation
1. Terminals and jumpers
duty cycle
control
on
off
A1
A2
A1
A2
V+
V-
V+
V-
Lz La N
Mains fuse
Input terminal
230 V, 4 x 2.5 mm²
Motor fuse
Output terminal
27.5 V with changeover
4 x 6 mm²
Output terminal
27.5 V without changeover
4 x 6 mm²
Multi-coloured LED indicator re
operational status and errors
Using a solder bridge on the solder jumper (see
in the drawing), the output voltage can be reduced from 27.5 V DC
to 24 V DC.
Solder jumper open
27.5 V (factory setting)
Solder jumper closed
24 V
Jumper has no function.
Installed= supply voltage for the microprocessor (installed in the factory)
Not installed = option for future functions
Note
: Removing the jumper
leads to malfunction of the iVent 8A.
2. Operating mode indicator
The 7 segment display shows the current operating mode and error indicators (see page 15).
The LED (see
in the diagram) has the following functions:
Green is illuminated = iVent 8A ready for operation.
Red is illuminated = error.
Ventilation control panel iVent 8A
