Kb-electronics KBAC-29 (1P) User Manual

MODEL KBAC-29 (1P) SUPPLEMENT IMPORTANT: The KBAC Series Installation and Operation Manual (Part No. A40206) must be read and understood before atte

Output Contacts:Run/Fault RelayStart/Stop Switch:Main Speed Potentiometer:Diagnostic LEDs:J4: 1X or up to 2XJ9: Normally Open or ClosedJ11: I t Overlo

A B C D E10Description Specification Factory Setting115 Volt AC Line Input Voltage Operating Range (Volts AC) 115 (±15%) —208/230 Volt AC Line Input V

0.317.975.86Maximum Depth:1498.20 9.53208 2422.5364.40.258.852256.44* 1*2* 3*5.511295.061402X ∅11FIGURE 3 – MODEL KBAC-24D MECHANICAL SPECIFICATIONS (

124 IMPORTANT APPLICATION INFORMATION4.1 MOTOR WITH EXTERNAL FAN COOLING – Most totally enclosed fan-cooled (TEFC) and open ven-tilated 3-phase AC ind

5.1 AC LINE INPUT CONNECTION – Wirethe AC line input to Terminal Block TB1.GFCI Operation – Do not connectthis drive to an AC power sourcecontrolled b

14Model KBAC-29: Designed to accept single-phase (Terminals “L1”, “L2”) or 3-phase (Terminals “L1”,“L2”, “L3”) AC line input. Rated for 208/230 Volt A

inside the drive. The switch assembly may beremoved if a liquidtight seal is used to coverthe hole in the front cover. After applyingpower to the driv

16The Enable function is established bywiring a switch or contact in series withthe orange Main Speed Potentiometerlead which connects to Terminal “P2

Using pliers, gently rock the female terminal back and forthwhile pulling it upward. See Figure 176.2 MOTOR HORSEPOWER SELECTION (J2) – Set Jumper J2t

186.5 BOOST MODE SELECTION (J6) –Jumper J6 is factory set to the “FIX”position for Fixed Boost. ForAdjustable Boost using the BOOSTTrimpot, set Jumper

Installation & Operation ManualKBAC SERIESVariable Speed / Soft-Start AC Motor Drivewith Electronic Motor Overload Protection for Inverter Duty Mo

7 MOUNTING INSTRUCTIONSIt is recommended that the drive be mountedvertically on a flat surface with adequateventilation. Leave enough room below thedr

20ChassisP3ChassisMachine Equipment or FrameAdjustable Frequency Drive(Main Power Disconnected)to AC Line InputsConnect Hi-PotL2L1P2P1Auxiliary Equipm

9 DRIVE OPERATION9.1 START-UP PROCEDURE – After the drive has been properly setup (jumpers and trimpots set to thedesired positions) and wiring comple

2212 TRIMPOT ADJUSTMENTS The drive contains trimpots which are factory set for most applications.See Figure 2, on page 9, for the location of the trim

12.4 DECELERATION (DECEL) – Sets the amount of time for themotor to decelerate from full speed to zero speed. The DECELTrimpot is factory set to 1.5 s

2412.8 BOOST (BOOST) – The drive is factory set for Fixed Boost (Jumper J6 set to the “FIX” position).When the drive is set for Adjustable Boost (Jump

WARNING! To avoid motor winding overheating and failure,do not overboost the motor.Note: An unloaded motor with excessive boost will draw morecurrent

– NOTES –26

– NOTES –27

LIMITED WARRANTYFor a period of 18 months from the date of original purchase, KB Electronics, Inc. will repair or replacewithout charge, devices which

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

30 Minimum Speed Trimpot (MIN) Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2231 Max

4See Figure 1. Also see Section 4 - Important Application Information, on page 12.WARNING! Disconnect main power before making connections to the driv

Models KBAC-45, 48: Designed to accept 3-phase (Terminals “L1”, “L2”, “L3”) AC line input only.Rated for 400/460 Volt AC line input only. See Figure 8

63 INTRODUCTIONThank you for purchasing the KBAC Adjustable Frequency Drive. KB Electronics, Inc. is committed toproviding total customer satisfaction

• Start/Stop Switch – Provides electronic start and stop functions.• Barrier Terminal Block – Facilitates wiring of motor, AC line, and Run/Fault Rela

8Description1PC BoardDesignationKBAC-24D KBAC-27D KBAC-29 KBAC-45 KBAC-48AC Line Input Voltage (115, 230) J13 3— — —Motor Horsepower (see Table 4 - El