Class 8839 Econoflex™ AC Drives
Sample Specifications
AA. UL 508C - UL Standard for Safety Power Conversion Equipment.
AB. UL 991 - UL Standard for Safety Tests for Safety Related Controls employing
AC. OSHA 1910.95 - AC Drive Controller Acoustical Noise.
AD. Conforming to National Safe Transmit Association and International Safe Transmit Association Test for Packages Weighing 1 to 100 lbs. or Over.
1.03 Submittals
A.[ 6 ] submittal packages including drawings shall be furnished for Engineers approval prior to factory assembly of the AC Drives. These packages shall consist of elementary power and control wiring diagrams on one drawing and enclosure outline drawings. The enclosure drawings shall include front and side views of the enclosures with overall dimensions and weights shown, conduit entrance locations. Standard catalog specification sheets showing voltage, horsepower and maximum current ratings shall be furnished as part of the submittal package.
1.04 Warranty
A.An
1.05 Quality Assurance
A.The manufacturer of the AC Drive shall be a certified ISO 9002 1994 facility.
B.The AC Drive and all associated optional equipment shall be UL Listed according to UL 508 C — Power Conversion Equipment. As verification, a UL label shall be attached on the inside nameplate of the combination enclosure.
C.The AC Drive shall be designed, constructed and tested in accordance with NEMA, NEC, and IEC standards.
D.Every power converter shall be tested with an AC induction motor while loaded and temperature cycled within an environment chamber at 40 °C (104 °F).
E.All pilot devices shall be industrial rated and tested to verify proper operation.
PART 2: PRODUCT
2.01 Manufacturers
A.The AC Drive shall be provided by Square D Company, Class 8839, Econoflex, or prior approved equal. Substitutions must be submitted in writing three (3) weeks prior to original bid date with supporting documentation demonstrating that the alternative manufacturer meets all aspects of the specifications herein.
B.Alternate control techniques other than pulse width modulated (PWM) are not acceptable.
2.02 General Description
A.The AC Drive shall convert the input AC mains power to an adjustable frequency and voltage, as defined in the following sections.
B.The input power section shall utilize a
C.The output power section shall change fixed DC voltage to adjustable frequency AC voltage. This section shall utilize intelligent power modules (IPMs), as required by the current rating of the motor.
2.03 Construction
A.The AC Drive power converter shall be enclosed in a [Type 1, Type 12 K] enclosure with top and bottom conduit knockouts with a circuit breaker disconnect, industrial rated operator controls, user terminal strip connections and bypass controls [if required].
B.The enclosure shall provide dedicated user terminals for power and control device connection.
09/2003
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