User Guide

Notes: 1. Optional software is required for PSC motors — contact our Sales Department. 2. UL
approved as an electronic overload protector for motors.
3. Models KBVF-21D, 22D contain ICL in
lieu of EICL™.
4. In 50 Hz Mode, the DEC/B Trimpot automatically becomes Adjustable Boost.
3.1 Standard Features
• Simple to Operate –
Does not require programming. Uses trimpots and jumpers, which are
factory set for most applications.
• Diagnostic LEDs – Power on (PWR) and drive status (ST). See Sec. 12, on pgs. 37 & 38.
• Jumper Selection of Drive Output Frequency – Increases the motor speed up to two
times the rated RPM. See Section 6.2, on pages 25 and 26.
• Industry Standard Mounting. See Section 7, on pages 27 and 28.
• Finger-Safe Cover – Meets IP-20 standard. See Section 5, on pages 22 and 23.
Note: GFCI Operation – This control can operate with GFCIs (optional software required).
3.2 Performance Features
• Power Start™ –
Provides more than 200% starting torque which ensures startup of high
frictional loads.
• Slip Compensation with Static Auto-Tune and Boost – Provides excellent load
regulation over a wide speed range.
• Speed Range – 60:1
3.3 Protection Features
• Motor Overload (I
2
t) with RMS Current Limit – Provides motor overload protection which
prevents motor burnout and eliminates nuisance trips. UL approved as an electronic over-
load protector for motors. See Section 4.2, on pg. 22, and Section 13.7, on pgs. 42 & 43.
• Electronic Inrush Current Limit (EICL™) – Eliminates harmful inrush AC line current
during startup. Models KBVF-21D, 22D contain ICL in lieu of EICL™.
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