WARNINGS
Failure to read and understand the information provided in this manual may result in personal injury
or death, damage to the product or product failure. Please read each section in its entirety and be
sure you understand the information provided in the section and related sections before attempting
any of the procedures or operations given.
Failure to follow these precautions could result in serious injury or death. Keep these
instructions with warranty after installation. This product must be installed in accor-
dance with National Electrical Code, ANSI/NFPA 70 so as to prevent moisture from
entering or accumulating within the controller housing.
See additional specifications on page 3 of this manual.
ELECTRICAL SHOCK HAZARD
Disconnect power to the VARIOspeed
®
3R Duplex Panel and wait 10
minutes before removing the VFD covers.
A qualified service person must install and service this product according
to applicable codes and electrical schematics.
EXPLOSION OR FIRE HAZARD
Do not use this product with flammable liquids. Do not install in
hazardous locations as defined by National Electrical Code,
ANSI/NFPA 70.
•
Lethal voltages are still present inside the VARIOspeed
®
3R Duplex Panel after power
is disconnected. Wait 10 minutes to allow internal capacitors to fully discharge before
attempting to connect or disconnect wire or to service this equipment.
•
Do not connect incoming power to motor terminals U, V, W. Doing so will result in
irreversible damage to the drive.
•
Do not connect power to this equipment if it has been damaged or has any missing parts.
•
Verify that the incoming voltage supply matches the VFD rating before applying power to the
unit.
•
The VARIOspeed
®
3R Duplex VFD’s contain no serviceable parts, do not attempt to repair
this equipment.
•
The VARIOspeed
®
3R Duplex Panel must be grounded at the grounding terminal according
to N.E.C. Refer to the electrical connection on page 12.
•
Do not install in areas with: excessive or conductive dust, corrosive or flammable gas,
excessive heat, regular impact shocks or excessive vibration.
•
Do into install in areas where ambient temperature exceeds 40ºC (104ºF).
2 VARIO
speed
®
3R Duplex User Manual
