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 6 of this manual.
ELECTRICAL SHOCK HAZARD
Disconnect power to the VARIOspeed®MICRO VFD drive and wait 10
minutes before removing the terminal cover.
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®MICRO VFD drive 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.
• Do not apply power to the VARIOspeed®MICRO VFD drive with the terminal cover
removed.
• Verify that the incoming voltage supply is 230 VAC before applying power to the unit.
• The VARIOspeed®MICRO VFD drive contains no serviceable parts, do not attempt to repair
this equipment.
• The VARIOspeed®MICRO VFD drive must be grounded at the grounding terminal according
to N.E.C. Refer to the electrical connection on page 12.
• The VARIOspeed®MICRO VFD drive has been designed for indoor mounting only. Use the
optional NEMA 3R model for outdoor installations.
• Do not install in ares with: excessive or conductive dust, corrosive or flammable gas,
moisture or rain, excessive heat, regular impact shocks or excessive vibration.
• Do into install in areas where ambient temperature exceeds 40ºC (104ºF).
• HOT! Heat sink temperature may rise to 90ºC (194ºF). Do NOT touch heat sink.
