YASKAWA H6B1A002, Technical Reference

Page: 129 / 794

Startup
Procedure
and
T
est
Run
4
4.3 Start-up, Test Operation, and Rotation Check
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference 129
12.
Switch any two phases on the customer wiring side of the motor terminal block or motor overload .
Note:
DO NOT change the wiring connected directly to the HV600 drive unit.
13.
Replace lower cover (or close cabinet door).
14.
Repeat Steps 1 to 8 of this procedure to confirm correct rotation in Drive Mode.
WARNING! Sudden Movement Hazard. Before you do this step, remove all personnel and objects from the area around the
bypass and motor. The motor will rotate at full speed in this step and can cause serious injury or death.
15.
Push to give the bypass a Run command from HAND Mode.
16.
Push to show S5-05 [HAND Frequency Reference] .
17.
Push to increase the frequency reference value.
Change the setting value in increments of 10 Hz if necessary and examine the response.
Each time you increase the setting value, use
U1-03 [Output Current] to check the drive output current. Watch
and listen for unusual conditions or noises.
When the output current of the drive is not more than the motor rated current, the status is correct.
Example: 6 Hz → 20 Hz → 30 Hz → 40 Hz → 50 Hz → 60 Hz
18.
Set the HAND frequency reference back to the desired value, then push . The test is complete.
■
Test Run and Rotation Check - Bypass Mode (HAND)
Before you do this procedure, Yaskawa strongly recommends that you do the items in Start-up, Test Operation, and
Rotation Check on page 125 (including the Setup Wizard), and do the steps in Test Run and Rotation Check - Drive
Mode (HAND) on page 127 .
1.
Energize the bypass or push to show the HOME screen.
2.
Push to make sure that the bypass does not respond to an Auto-Run command.
3.
Check the lower-right corner of the keypad screen to make sure that the bypass is in Bypass Mode.
“BYPASS” will flash when the bypass is in Bypass Mode. If it is NOT in Bypass Mode, push
to put the
system into Bypass Mode
WARNING! Sudden Movement Hazard. Before you do the next step, remove all personnel and objects from the area
around the bypass and motor. The motor will immediately rotate at full speed in the next step and can cause serious injury
or death.