HP Anab EQ5 - Manual (Page 31)

EQ5 AC Drive Operations Manual
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TECO – Westinghouse Motor Company Initial Operation 25
3. Initial Operation
3-1 Inspection and Preparation Before Operation
Check the following before operation:
1. Check that all the electrical connections are
secure and correct. (Fig. 3-1-1)
In particular, check that the input power supply
is not connected to any of the U, V, and W
output terminals to the motor and that the
ground terminal is securely grounded.
2. Check for short-circuits and ground faults
between the terminals and powered–up
sections.
3. Check for loose terminals, connectors, or
screws.
4. Check that the motor is disconnected from
mechanical equipment.
Input
Power
3Ø Induction
Motor
Inverter
Output to Motor Input to Inverter
Fig. 3-1-1 Inverter Connections
5. Turn off all control switches before turning on
power to ensure that the inverter will not start
or operate abnormally at power-up.
6. Check the following after power-up:
a. No alarm message is displayed on the
digital operator (see Figure 3-1-2).
b. The fan inside the inverter is rotating. (For
drives 2HP or more)
RUN
JOG / NORMAL
REMOTE / LOCAL
Fig. 3-1-2
Display on Digital Operator at Power-up
DANGER
Be sure that all protective
covers are in place before
turning on the power. Never
remove the protective covers
while the power is applied to
the inverter. To ensure safety,
do not operate switches with
wet hands. Electric shock
may result
3-2 Operation Method
There are various methods of operation. Select a method of operation according to the
application requirements and specifications; referring to Section 4-2, Digital Operator LCD
Screen Operating Structure, and Chapter 5, Explanation of Functions. Table 3-2-1 lists general
methods of operation.
3-3 Trial Run
Upon confirming that the initial start-up is normal (see Section 3-1), proceed with a trial run. The initial
operating mode (set at factory) is using the keypad panel with the motor disconnected from the
mechanical load.