7
VRT300 SERIES
20
21
1
19
18
2
17
3
16
15
4
14
5
6
13
12
7
11 10
9
8 1MN0048 REV. 0
1)
Control unit series
12)
PRG/SET button: entering programming
and going on to the following step
2)
Active (running) ventilation LED (green)
13)
Programming phase ON PRG LED (yellow)
3)
M2 motor in over-current LED (red)
14)
M1 motor in under-current LED (yellow)
4)
M3 motor in over-current LED (red)
15)
M1 motor in over-current LED (red)
5)
M3 motor in under-current LED (yellow)
16)
Current variation LED (yellow)
6)
M2 motor in under-current LED (yellow)
17)
Fans' local management LED (red)
7)
Fixing block
18)
Fans' remote control LED (green)
8)
Fans' local START/STOP button
19)
Programming selection LED (yellow)
(% In, start d., trip d.)
9)
Fans' control mode REM/LOC button
(REMOTE or LOCAL)
20)
Monitoring delay LED (yellow) at start up
start d.
10) ENT/RESET button: alarm reset and
programming data selection
21)
Trip delay LED (yellow) trip d.
11) Motors' auto-tuning phase LED (yellow)
FRONT PANEL
