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5.5 Relay electrical connection - ventilation fault
5.5.1 Relay electrical connection - Model 04 to 22
5.5.2 Relay electrical connection - Model 30 to 82 single-phase
Relay fault
2
1
3
4
5
Ventilation fault wiring
Open contact - Stop of the fan
"Normal" operation
Power supply shut off
On/Off contact - The wheel is stationary but the conductor is powered up
Phase loss - In case of phase loss, the wheel may continue to turn
9 10 11 12 13 14 15 16 17
6
7
8
Unit status
Ventilation fault wiring
Open contact - Stop of the fan
Compacto
18 19 20 21 22 23 24 25 26 27
18/48
Alim
230V
400V
power supply
PRESSURE SENSORS
PA
PB
–
+
–
Relay status
NT00000603-JBRB-ECOWATT-PR-AN-191202
NO
NC
NC
NC
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