Teral VFZ Series, Инструкция по эксплуатации

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18. Wire the power cables with motor terminals surely according to wiring figure in the terminal box or
Figure 7.
(
㶎
Wiring type of VFZ801 and VFZ901 is direct start type at shipping, therefore, change wiring type
from direct start type to star-delta start type in case of using star-delta start type.)
(Figure 7) Wiring diagram
19. Confirm below items at test running, if inverter is applied for the Vacuum Pump operarion. 㩷
䊶 Resonance is feared by install condition of the Vacuum Pump. Avoid the frequency of the
resonance
䊶 Vibration and noise become bigger by using inverter. Stop the operation immediately, if abnormal
temperature rise or vibration occurs.
䊶 Do not use over 60Hz to protect motor burning.
(Maximum frequency of the 50Hz exclusive model is 50Hz.)
Model
VFZ101PN
䌾
VFZ401PN VFZ101
䌾
VFZ701
VFZ801, VFZ901
Wires 2 wires 3 wires 6 wires
Direct start type
(At shipping)
Star-delta start type
Connecting
method
(Figure 6) Discharged air-temperature rise curve
Air flow rate ( m
3
/min ) Air flow rate ( m
3
/min )
Temperature
㩷
RISE K (
㷄
)
Power supply
U V
R S
Motor terminal
U V W
R S T
Power supply
Motor terminal
V2 W2 U2
U1 V1 W1
R S T
Power supply
Motor terminal
U1 V2 V1
U1 V2 V1
W2 W1 U2
W2 W1 U2
Power supply
Motor terminal