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AMD – Medium-pressure axial fans
Installation and Operating Instructions
16
SS-776
Three-phase current,
star-delta startup with ther-
mistor (PTC)
Fig.17
SS-796
Three-phase current, direct
startup with thermistor (PTC)
SS-777
Three-phase current,
Dahlander with thermistor
(PTC)
1U 1V 1WKL
2U 2V 2WKL
KLKL
L1 L2 L3
PE
1U 1V 1WKL
2U 2V 2WKL
KLKL L1 L2 L3 PE
Kaltleiter/
Thermistor
PTC PTC
Kaltleiter/
Thermistor
Fig.19
Fig.18
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