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To exit the TEST mode, press the OFF/RESET button on the
ELECTRONIC BYPASS keypad. The VFD input contactor will open and
the TEST and input contactor LEDs will go out.
3.7.2 VFD mode
In VFD mode both the input and output contactors are energized. A start mode
pushbutton must be pressed before the VFD can operate.
To place the VFD package in VFD mode, press the VFD pushbutton. The
VFD, input and output contactor LEDs will be illuminated.
To exit the VFD mode, press the OFF/RESET button on the Electronic bypass
keypad. The VFD, input and output contactor will open and their respective
keypad LEDs will go out.
3.7.3 BYPASS mode
In BYPASS mode the bypass contactor will be energized. A start mode
pushbutton must be pressed before the bypass contactor will close.
To place the VFD package in BYPASS mode, press the BYPASS pushbutton.
The BYPASS LED will be illuminated. Note that the BYPASS mode and TEST
mode can be operated simultaneously, if desired.
To exit the BYPASS mode, press the OFF/RESET button on the Electronic
bypass keypad. The BYPASS contactor will open and its respective keypad
LED will go out.
3.7.4 HAND mode
In the HAND mode, starting and stopping is controlled entirely from the door
mounted pushbuttons. HAND mode can control both VFD and BYPASS
operation modes
To place in VFD HAND mode, press the VFD button. Then press the HAND
button. The VFD, HAND, input and output contactor, and RUN LEDs will be
illuminated.
Pressing the HAND button also creates an enable command for the VFD. The
VFD must be started and stopped by the start/stop buttons on the VFD
keypad. Motor speed is controlled by the up/down arrow buttons on the VFD
keypad.
To place in BYPASS HAND mode, press the BYPASS button. Then press the
HAND button. The BYPASS, HAND, bypass contactor, and RUN LEDs will be
illuminated.
To exit the HAND mode, press the OFF/RESET button once on the Electronic
bypass keypad. The HAND and RUN LEDs will turn off. Press the
OFF/RESET button again and it will turn off either the VFD or BYPASS LEDs
and open the respective contactors.
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