Westinghouse TECO PA7300 Series, Быстрый старт, Страница: 3 / 9

PA7300 Inverter Pump Quick Start Manual
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TECO – Westinghouse Motor Company
3
Step 4
- Check Pump Motor Operation
•
Enter 10.00Hz for the frequency reference and set parameter
Sn-05 = 0010
to disable Reverse
Direction operation.
Note
: The output from the inverter is displayed in
Hz
as factory default. If
desired, the output may be displayed in per cent
(%)
of full speed.
(see appendix)
•
Press the
RUN
key, and check the pump direction of rotation. If the direction is not correct, press
the
STOP
key and wait until the pump has come to a complete STOP. Next,
Power Down the
inverter.
Danger
After the power has been turned OFF, wait at least 5 minutes until the charge
indicator extinguishes completely before touching any wiring, circuit boards or
components.
•
Reverse any
two
of the pump motor connections at the inverter ( U(T1),V(T2), or W(T3) ). Next,
following
STEP 2,
Power-up the inverter; the motor direction should now be correct.
Step 5
– Select Method of Control
•
Before selecting the method of control, ensure the inverter is in the
STOP
mode.
•
There are two methods of control or combinations thereof that may be selected; Keypad and
Analog Signal.
RUN / STOP Command -
Can be provided from the keypad or from an external contact
(see Fig. 2a).
Speed Reference –
Can be from the keypad or from an external analog signal (0 – 10 VDC or
4 – 20 mA). see Fig’s 3a,3b, and 3c.
•
The method of control is set by parameter
Sn – 04.
The table on the next page shows the value
that Sn – 04 needs to be set for the various combinations of control.