VFD68 Variable Frequency Drives (575 VAC)
5
Selecting a Motor
Motors used with the VFD68Dxx Drive must:
•
be AC induction three-phase motors that are UL Recognized and CSA Certified, or equivalent
•
be rated for 575 VAC at 60 Hz
•
have an Inverter Rating
•
have Insulation Class F or better
The VFD68 Drive is intended for use with variable speed motors that are rated for 40:1 operation.
Note:
If three-phase power is not available as supply power for the VFD68 Drive, refer to the
VFD68 Variable
Frequency Drive Technical Bulletin (Part No. 24-7664-3051)
.
Selecting a VFD68 Drive for Controlling Multiple Motors
A VFD68 Drive can control multiple motors wired in parallel; however, the sum of the Full Load Amperes (FLA)
ratings for the motors must not exceed the maximum output current rating of the VFD68 Drive, including any
de-rating due to altitude. See Table 2 on page 6 for derating information.
Location Considerations
Observe the following location guidelines:
•
Ensure that the mounting surface can support the drive, mounting hardware, and any (user-supplied) panel
or enclosure.
•
Mount drives on flat, even surfaces.
•
Allow sufficient space for wires and connections.
•
Do not mount the modules on surfaces that are prone to vibration or in locations where radio frequency or
electromagnetic emissions may cause interference.
IMPORTANT:
When selecting the motor, do not exceed the maximum output current rating of the
VFD68 Drive.
IMPORTANT:
Do not control both single-phase and three-phase motors with the same VFD68 Drive.
!
WARNING: Risk of Fire or Electric Shock.
Install the device in an environment relatively free of contaminants such as dust, condensation, or
chemical agents. A dirty or damp environment may cause an electric arc across contaminated
terminals.
AVERTISSEMENT: Risque de décharge électrique ou incendie.
Installer l'appareil dans un environnement présentant une quantité réduite de contaminants tels que
de la poussière, de la condensation ou des agents chimiques. Un environnement pollué ou humide
risque d'entraîner la formation d'un arc électrique entre des bornes contaminées.
!
CAUTION: Risk of Property Damage.
The VFD68 Drive can generate and dissipate significant heat. Mount the VFD68 Drive on a metal,
concrete, or cinder block mounting surface. Mounting the VFD68 Drive on surfaces made of wood
or other heat-sensitive material may result in damage to the mounting surface.
MISE EN GARDE: Risque de dégâts matériels.
Le VFD68 Drive peut générer et émettre une chaleur importante. Installer le VFD68 Drive sur une
surface de montage en métal, en béton ou en parpaings. L'installation du VFD68 Drive sur une
surface en bois ou composée de matériaux sensibles à la chaleur risque d'endommager la surface
de montage.
