Kb-electronics KBVF-23P Manual de usuario Pagina 1

Installation & Operation ManualKBVF SERIESVariable Speed / Soft-Startwith Electronic Motor Overload Protection1Rated for 208-230 Volt 50 & 60

The KBVF Adjustable Frequency Drives provide variable speed control for standard 3-phase andPermanent Split Capacitor (PSC)1AC induction motors from s

Notes: 1. Optional software is required for PSC motors — contact our Sales Department. 2. ULapproved as an electronic overload protector for motors. 3

• Electronic Inrush Current Limit (EICL™) – Eliminates harmful inrush AC line currentduring startup. Models KBVF-21D, 22D contain ICL in lieu of EICL™

• Current Limit (CL) – Sets the current limit (overload) which limits the maximum current(torque) to the motor. See Section 13.7, on page 42.3.5 Optio

14TABLE 1 – ELECTRICAL RATINGSModelPartNo.AC Line InputFuse orCircuit BreakerRating(Amps)Drive OutputNet Wt.Volts AC(50/60 Hz)Phase (φ)MaximumCurrent(

15Notes: 1. If a non-isolated signal is used, install the SIVFR – Signal Isolator (Part No. 9597). 2. Allows the motor to operate up to two times ther

16(2 Places)6.40.2599.03.903.0031.81.251094.3096.53.800.512.776.20.25.1(10 Places)*Model KBVF-21Dcontains internalretaining clips.Finger-Safe Cover Re

173.8096.5Chart0.9524.1(2 Places)See5.10.2Maximum HeightModel KBVF-21DModels KBVF-22D, 13, 23, 23D, 23P*Model KBVF-21D contains internal retaining cli

183.9099.0RETAINING CLIPSDO NOT USETHESE FOURFINGER-SAFE COVER RETAINING CLIPSFINGER-SAFE COVER RETAINING CLIPS0.25.1(6 Places)0.410.233.51.323.8297.0

19FINGER-SAFE COVER RETAINING CLIPS1094.30Models KBVF-14, 24, 24D, 24PChart A - Maximum Length5.70145Model KBVF-26D Model KBVF-26DChart B - Maximum He

TABLE OF CONTENTSSection Page1 Quick-Start Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

204 IMPORTANT APPLICATION INFORMATION4.1 Motor with External Fan Cooling – Most totally enclosed fan-cooled (TEFC) and openventilated 3-phase AC induc

21It is recommendedthat the drive beused with Inverter Dutyor TENV motors.Inverter duty and mosttotally enclosed non-ventilated (TENV) motorscan provi

4.2 Electronic Motor Overload Protection – The drive contains Modified I2t OverloadProtection.* Part of this function consists of a Current Limit (CL)

5.1 Removing the Finger-Safe Cover – The Finger-Safe Cover may have to be removed beforewiring the drive or setting selectable jumpers. All trimpots c

6.1 AC Line Input Voltage Selection(Jumper J1 (Models KBVF-21D,22D, 23D, 24D, 26D Only)) –Jumper J1 is factory set to the“230V” position for 208/230 V

6.2 60Hz and 50 Hz Motor Operation and DriveOutput Frequency Selection (Jumpers J1 andJ2) – Both jumpers must be set for the appropriatemotor nameplat

For 120 Hz output with60 Hz motor, be sureJumper J1 is set to the“60Hz” position and setJumper J2 to the “X2”position. For 100 Hzoutput with 50 Hzmoto

For an I2t Trip, due to a prolonged overload, the drive mustbe manually restarted. See Section 11.2, on page 35. Alsosee Section 12.2, on page 38.For

28Application Note – The enclosure should be large enough to allow for proper heat dissipation sothat the ambient temperature does not exceed 45 °C (1

29P2P3P1ChassisAdjustable Frequency DriveSignal InputsL2L1WVUHigh Voltage Dielectric Withstand Tester (Hi-Pot Tester)10mA0mALEAKAGEAC KILOVOLTSRESETTE

TABLE OF CONTENTS (Continued)Figure Page3A Models KBVF-14, 24, 24D, 24P, 26D Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . .

Application Note – To avoid erratic operation, do not bundle the AC line and motor wires with eachother or with wires from signal following, start/sto

9.2 Ground Connection – Connect the ground wire (earth) to the green ground screw. Theground screw is located on the heat sink. See Figure 16, above.N

WARNING! Do not earthground any Main SpeedPotentiometer terminals.Note: When mounting the Main SpeedPotentiometer, be sure to install the insulat-ing

WARNING! The signal input must be isolated from the AC line. Earth groundingsignal wiring will damage the drive and void the warranty. It is recommend

34FIGURE 21 – ENABLE SWITCH CONNECTIONJumper RemovedConnector Installed forForward Enable SwitchConnector Installed forReverse Enable SwitchCON2F - S

359.8 Enable Switch Connection (CON2) – The drive can be started and stopped with an EnableSwitch (close to run, open to stop). Remove the factory ins

36*The fault must be cleared before the drive can be reset.Fault Automatic Start Mode (Factory Setting)UndervoltageDrive will automatically start afte

37TABLE 4 – DRIVE OPERATING CONDITION & STATUS LED INDICATORLED Drive StatusColor andFlash Sequence Flash RateColor and Sequence4After Recovered F

12.1 Power On (PWR) – The “PWR” LED will illuminate green when the AC line is applied to the drive.12.2 Status LED (ST) – The “ST” LED is a tricolor L

13.1 Minimum Speed (MIN) – Sets the minimum speed of themotor. The MIN Trimpot is factory set to 0% of frequency set-ting. For a higher minimum speed

TABLE OF CONTENTS (Continued)Figure Page27 Boost Trimpot (DEC/B) Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Application Note – On applications with high inertial loads, thedeceleration may automatically increase in time. This will slowdown the rate of speed

415. Adjust the COMP Trimpot until the loaded RPM is equal to the unloaded RPM.6. The motor is now compensated to provide constant speed under varying

3. Increase the boost until the ammeter reaches the nameplate rated current (Amps AC).4. Using the Main Speed Potentiometer, slowly adjust the motor s

43(Shown Factory Set to 6.4 Amps)3.82.5Amps AC57.56.4FIGURE 31 – MODELS KBVF-14, 24, 24D, 24PCURRENT LIMIT TRIMPOT (CL) RANGE5.3(Shown Factory Set

LIMITED WARRANTYFor a period of 18 months from the date of original purchase, KB Electronics, Inc. will repair orreplace without charge, devices which

RECONDITIONING THE BUS CAPACITORS If this drive has been in storage for over one year it is necessary to recondition the power supply bus capacitors.

5FIGURE 1 – QUICK-START CONNECTION DIAGRAM(Model KBVF-22D Shown)L2W L1U Vsee Section 3.5, on page 13.Communication Port for Accessories and Programmin

See Figure 1 on page 5. Also see Section 4 – Important Application Information, on page 20.WARNING! Disconnect main power before making connections to

1.2 Ground Connection – Connect the ground wire (earth) to the ground screw, as shown inFigure 16, on page 31. See Section 9.2, on page 31.Note: Model

1.8 Voltage Following – An isolated* 0 – 5 Volt DC analog signal input can be used to controlmotor speed in lieu of the Main Speed Potentiometer. The

3 INTRODUCTIONThank you for purchasing the KBVF Adjustable Frequency Drive. KB Electronics, Inc. is committedto providing total customer satisfaction