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INSTALLATION AND OPERATION MANUAL 

KBVF 4G SERIES 

Variable Frequency Drives 

 For OEM Applications 

Designed for Multiple Motor Technologies 

(Asynchronous, PMSM, and Others) 

Chassis / IP20 and NEMA 4 / IP65 Enclosures 

Variable Speed / Soft-Start AC Motor Drive 

with Electronic Motor Overload Protection 

Rated for 208 – 230 and 400/460 Volt 50 Hz and 60 Hz 

Motors from Subfractional thru 3 HP 

Operates from 115, 208/230, and 400/460 Volt 50/60 Hz AC Line Input 

THIS MANUAL COVERS THE FOLLOWING KBVF 4G SERIES MODELS 

Chassis / IP20 Drives: 

KBVF-13, 14, 21D, 22D, 23, 23D, 24, 24D, 26D, 27, 29, 29 (1P), 42, 45, 48 

NEMA 4 / IP65 Drives: 

KBVF-27E, 27EF, 29E, 29EF, 29EF (1P), 42E, 42EF, 45E, 45EF, 48E, 48EF 





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Summary of Contents for KBVF 4G Series

Page 1: ...tronic Motor Overload Protection Rated for 208 230 and 400 460 Volt 50 Hz and 60 Hz Motors from Subfractional thru 3 HP Operates from 115 208 230 and 400 460 Volt 50 60 Hz AC Line Input THIS MANUAL COVERS THE FOLLOWING KBVF 4G SERIES MODELS Chassis IP20 Drives KBVF 13 14 21D 22D 23 23D 24 24D 26D 27 29 29 1P 42 45 48 NEMA 4 IP65 Drives KBVF 27E 27EF 29E 29EF 29EF 1P 42E 42EF 45E 45EF 48E 48EF Scan...

Page 2: ...Start Switch Connection 16 11 7 Forward Stop Reverse Switch Connection 16 11 8 Enable Switch Connection 16 11 9 Run Fault Relay Connection 17 12 Recommended High Voltage Dielectric Withstand Testing Hi Pot Testing 17 13 Reconditioning the Bus Capacitors 18 14 On Board Parameters Selectable Jumpers 18 14 1 AC Line Input Voltage Selection 18 14 2 Motor Frequency Selection 18 14 2 1 Setting the Drive...

Page 3: ...cts Connection 17 27 Typical Hi Pot Test Setup 17 28 KBVF 21D 22D 23D 24D AC Line Input Voltage Selection 18 29 KBVF 26D AC Line Input Voltage Selection 18 30 KBVF 13 14 21D 22D 23 23D 24 24D 26D Motor Frequency Selection 18 31 KBVF 27E 27EF 29E 29EF 29EF 1P 42E 42EF 45E 45EF 48E 48EF Motor Frequency Selection 18 32 Available Torque vs Output Frequency 18 33 Automatic Start 18 34 KBVF 13 14 21D 22...

Page 4: ...e the 3 phase AC Line input to Terminals L1 L2 and L3 See Figure 2 KBVF 29 1P 29EF 1P Rated for 208 230 Volt 1 phase AC Line input Wire the AC Line input to Terminals L1 and L2 Terminal L3 is not used See Figure 3 KBVF 42 42E 42EF 45 45E 45EF 48 48E 48EF Rated for 400 460 Volt 3 phase AC Line input Wire the AC Line input to Terminals L1 L2 and L3 See Figure 4 1 4 MOTOR CONNECTION Wire the motor to...

Page 5: ...s used install the optional SIVFR PS which accepts voltage 0 to 2 5 thru 0 to 25 Volts DC or current 4 20 mA DC signal inputs KBVF 27 27E 27EF 29 29 1P 29E 29EF 29EF 1P 42 42E 42EF 45 45E 45EF 48 48E 48EF Built in signal isolation Accepts voltage 0 to 5 Volts DC or current 4 20 mA DC signal inputs Wire the signal input to Terminal Block TB1 1 11 DIAGNOSTIC LEDs After applying power observe the PWR...

Page 6: ...ly with CE Council Directive 89 336 EEC relating to the Class A Industrial Standard and Class B Residential Standard Class A RFI Filter For KBVF 27EF 29EF 29EF 1P 42EF 45EF 48EF Built in Provide RFI and EMI Suppression Comply with CE Council Directive 89 336 EEC relating to the Class A Industrial Standard Liquidtight Fittings For KBVF 27E 27EF 29E 29EF 29EF 1P 42E 42EF 45E 45EF 48E 48EF SIVFR PS S...

Page 7: ...d of the motor Acceleration ACC Sets the amount of time for the motor to accelerate from zero speed to full speed Deceleration DEC Sets the amount of time for the motor to decelerate from full speed to zero speed Slip Compensation COMP Maintains set motor speed under varying loads Current Limit CL Sets the current limit overload which limits the maximum current torque to the motor FIGURE 5 KBVF 13...

Page 8: ... KBVF 4G SERIES INSTALLATION AND OPERATION MANUAL 8 FIGURE 7 KBVF 27E 27EF 29E 29EF 29EF 1P 42E 42EF 45E 45EF 48E 48EF DRIVE LAYOUT LAYOUT MAY VARY SLIGHTLY SHOWN WITHOUT THE ENCLOSURE COVER ...

Page 9: ... 1 5 11 1 5 3 8 0 10 KBVF 27EF TBA NEMA 4 IP65 208 230 1 17 0 20 0 230 6 7 2 1 5 11 1 5 3 8 0 10 KBVF 29 TBA IP20 208 230 3 11 7 15 0 230 9 0 3 2 25 4 6 2 1 KBVF 29 1P TBA IP20 208 230 1 21 0 25 0 230 9 0 3 2 25 3 95 1 8 KBVF 29E TBA NEMA 4 IP65 208 230 3 12 0 15 0 230 9 0 3 2 25 11 1 5 KBVF 29EF TBA NEMA 4 IP65 208 230 3 12 0 15 0 230 9 0 3 2 25 11 1 5 KBVF 29EF 1P TBA NEMA 4 IP65 208 230 1 21 0 ...

Page 10: ... 24 24D 26D 27 29 29 1P 42 45 48 0 40 32 104 Operating Temperature Range C F for KBVF 27E 27EF 29E 29EF 29EF 1P 42E 42EF 45E 45EF 48E 48EF 0 50 32 122 Operating Humidity Range Relative Non Condensing 0 95 Storage Temperature C F 25 85 13 185 Notes 1 Allows the motor to operate up to two times the rated RPM Constant horsepower will result when operating the drive in the X2 mode above the motor rate...

Page 11: ...cting wires from the enclosure cover to the drive 8 2 INSTALLING THE ENCLOSURE COVER To install the enclosure cover be sure it is properly oriented onto the base After mounting and wiring align the cover make sure the wires do not get caught or crimped Tighten the four screws so that the gasket is slightly compressed The recommended tightening torque is 10 in lbs 11 5 kg cm do not overtighten See ...

Page 12: ... KBVF 4G SERIES INSTALLATION AND OPERATION MANUAL 12 FIGURE 9 KBVF 14 24 24D 26D MECHANICAL SPECIFICATIONS In mm KBVF 26D SHOWN FIGURE 10 KBVF 27 29 29 1P 42 45 48 MECHANICAL SPECIFICATIONS In mm ...

Page 13: ...ine fuses Most electrical codes require that each ungrounded conductor contain circuit protection Do not fuse neutral or ground connections It is recommended to install a fuse Littelfuse 312 314 Buss ABC or equivalent or a circuit breaker in series with each ungrounded conductor For the recommended fuse size see Table 1 on page 9 CAUTION Do not fuse neutral or grounded connections Do not fuse moto...

Page 14: ...2 L3 12 3 3 12 14 TB12 Signal Input Connections 5V SIG COM FWD REV COM 16 1 3 TB32 Communications Connections A B COM 16 1 3 TB52 Run Fault Relay Output Contacts Connections COM N C N O 16 1 3 Notes 1 KBVF 13 14 21D 22D 23 23D 24 24D 26D contain quick connect terminals in lieu of terminal blocks for AC Line Input motor and signal input connections 2 KBVF 27 27E 27EF 29 29 1P 29E 29EF 29EF 1P 42 42...

Page 15: ...erse Switch is not used a jumper must be installed between Terminals 0V and FWD for forward speed operation or between Terminals 0V and REV for reverse speed operation See Figure 17 FIGURE 16 KBVF 13 14 21D 22D 23 23D 24 24D 26D MAIN SPEED POTENTIOMETER CONNECTION FIGURE 17 KBVF 27 27E 27EF 29 29 1P 29E 29EF 29EF 1P 42 42E 42EF 45 45E 45EF 48 48E 48EF MAIN SPEED POTENTIOMETER CONNECTION 11 5 SIGNA...

Page 16: ... on CON2 and install the 3 wire connector supplied CON2 is located on the lower PCB Wire the switch to the 3 wire connector See Figure 22 KBVF 27 27E 27EF 29 29 1P 29E 29EF 29EF 1P 42 42E 42EF 45 45E 45EF 48 48E 48EF Wire the switch to TB1 Terminals FWD REV and COM See Figure 23 FIGURE 23 KBVF 27 27E 27EF 29 29 1P 29E 29EF 29EF 1P 42 42E 42EF 45 45E 45EF 48 48E 48EF FORWARD STOP REVERSE SWITCH CON...

Page 17: ...ent AC power input lines together and connect them to the H V lead of the hi pot tester Connect the RETURN lead of the hi pot tester to the frame on which the drive and other auxiliary equipment are mounted Note The hi pot tester must have an automatic ramp up to the test voltage and an automatic ramp down to zero voltage If the hi pot tester does not have automatic ramping then the hi pot output ...

Page 18: ...to the 60Hz and 1X positions for 60 Hz motors For 50 Hz motors set Jumper J5 to the 50Hz and 1X positions See Figure 31 14 2 2 SETTING THE DRIVE FOR TWO TIMES THE RATED MOTOR RPM The drive can also operate the motor up to two times the rated RPM However constant horsepower will result when operating the drive above the motor rated frequency KBVF 13 14 21D 22D 23 23D 24 24D 26D For 120 Hz output wi...

Page 19: ...ING High Voltage If adjustments are made with the main power applied an insulated adjustment tool must be used and safety glasses must be worn Fire and or electrocution can result if caution is not exercised The Safety Warnings on page 5 must be read and understood before proceeding 15 1 MINIMUM SPEED TRIMPOT MIN Sets the minimum speed of the motor The MIN Trimpot is factory set to 0 of frequency ...

Page 20: ...red that the CL Trimpot be set for 160 of the motor nameplate rated current as described below The current limit may be adjusted as follows 1 Connect an AC RMS ammeter in series with one motor phase 2 Set the CL Trimpot fully counterclockwise 3 Adjust the speed setting to approximately 30 4 Lock the motor shaft and adjust the CL Trimpot to 160 of the motor nameplate rated current Note This adjustm...

Page 21: ... or in bidirectional wig wag mode Run Fault Relay Output Contacts are also provided which can be used to turn equipment on or off or to signal a warning if the drive is put into the Stop Mode or a fault has occurred Liquidtight Fittings Kit Part No 9526 For KBVF 27E 27EF 29E 29EF 29EF 1P 42E 42EF 45E 45EF 48E 48EF Provides a liquidtight seal for wiring the drive RFI Filters and Chokes Provide RFI ...

Page 22: ... KBVF 4G SERIES INSTALLATION AND OPERATION MANUAL 22 NOTES ...

Page 23: ... KBVF 4G SERIES INSTALLATION AND OPERATION MANUAL 23 NOTES ...

Page 24: ...ems of our manufacture or sale Some states do not allow certain exclusions or limitations found in this warranty and therefore they may not apply to you In any event the total liability of KB Electronics under any circumstance shall not exceed the full purchase price of this product Rev 2 2000 LISTED IND CONT EQ 70ZA RoHS COPYRIGHT 2020 KB Electronics All rights reserved In accordance with the Uni...

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