User manual KB ELECTRONICS KBLF

[. . . ] Installation & Operation Manual KBVF SERIES Chassis / IP-20 AC Drives Variable Speed / Soft-Start with Electronic Motor Overload Protection* Rated for 208-230 Volt 50 & 60 Hz 3-Phase & PSC** AC Induction Motors from Subfractional thru 11/2 HP Operates from 115 and 208/230 Volt 50/60 Hz AC Line Input*** 230V 115V B­ B+ 50/60Hz J1 P1 P2 ST PWR P3 CON1 CON2 A/M See Safety Warning, on pages 8 and 9. This manual covers Models KBVF-21D, 22D, 13, 23, 23D, 14, 24, 24D, 26D **** Note: The drive is factory set for 60 Hz motors. For 50 Hz motors, see Section 6. 2, on page 25. The information contained in this manual is intended to be accurate. However, the manufacturer retains the right to make changes in design which may not be included herein. *UL approved as an electronic overload protector for motors. [. . . ] Jumpers J1 and J2 are located on the lower PC board. 6. 2. 1 Setting the Drive for 60 Hz or 50 Hz Motor Operation ­ The drive is factory set to operate 60 Hz motors. Jumper J1 is factory set to the "60Hz" position and Jumper J2 is factory set to the "X1" position. For 50 Hz motors, set Jumper J1 to the "50Hz" position, and be sure Jumper J2 is set to the "X1" position. Jumpers J1 and J2 are located on the lower PC board. 6. 2. 2 Setting the Drive for Two Times the Rated Motor RPM ­ The drive can also be used to operate the motor up to two times the rated RPM. However, constant horsepower will result when operating the drive in the "X2" mode above the motor rated frequency. See Figure 11, on page 26. FIGURE 9 ­ REMOVING JUMPER J1 ON MODEL KBVF-26D Terminal Removed Terminal Installed FIGURE 10 ­ 60 Hz & 50 Hz MOTOR SELECTION 60 Hz Motor Operation (Factory Setting) (J1 Installed in "60Hz" Position) (J2 Installed in "X1" Position) 50 Hz Motor Operation (J1 Installed in "50Hz" Position) (J2 Installed in "X1" Position) J2 X1 X2 50/60Hz J1 J2 X1 X2 50/60Hz J1 25 For 120 Hz output with 60 Hz motor, be sure Jumper J1 is set to the "60Hz" position and set Jumper J2 to the "X2" position. For 100 Hz output with 50 Hz motor, set Jumper J1 to the "50Hz" position and set Jumper J2 to the "X2" position. 6. 3 Automatic Start (CON1) ­ The drive is factory set for Automatic Start (jumper installed onto CON1), as shown in Figure 13, on page 27. The drive will automatically start when power is applied and a run command is given. The drive will automatically restart after a recovered fault due to undervoltage, overvoltage, or short circuit. FIGURE 11 ­ AVAILABLE TORQUE vs. OUTPUT FREQUENCY 100 % Torque 50 0 0 2 50/60 Output Frequency (Hz) 100/120 FIGURE 12 ­ 120 Hz & 100 Hz DRIVE OUTPUT FREQUENCY SELECTION 120 Hz Output with 60 Hz Motor (J1 Installed in "60Hz" Position) (J2 Installed in "X2" Position) 100 Hz Output with 50 Hz Motor (J1 Installed in "50Hz" Position) (J2 Installed in "X2" Position) J2 X1 X2 50/60Hz J1 J2 X1 X2 50/60Hz J1 26 For an I2 t Trip, due to a prolonged overload, the drive must be manually restarted. Also see Section 12. 2, on pages 37 and 38. For Manual Start, a momentary contact must be installed onto CON1, as described in Section 9. 6, on pages 33 and 34. 6. 4 Forward/Reverse Speed Selection (CON2) ­ The drive is factory set for Forward Speed Operation (jumper installed in the "F" position of CON2). For Reverse Speed Operation, install the jumper in the "R" position. See Figure 14. FIGURE 13 ­ AUTOMATIC START (Jumper Installed) CON1 A/M FIGURE 14 ­ FORWARD/REVERSE SPEED SELECTION Forward Speed Operation (Factory Setting) (Jumper Installed in "F" Position) Reverse Speed Operation (Jumper Installed in "R" Position) CON2 F-S-R F-S-R CON2 To wire a Forward-Stop-Reverse Switch, see Section 9. 7, on page 34. This drive must be mounted in an enclosure. Care should be taken to avoid extreme hazardous locations where physical damage to the drive can occur due to moisture, metal chips, dust, and other contamination, including corrosive atmosphere that may be harmful. To prevent accidental contact with high voltage, it is required that the Finger-Safe Cover be properly installed onto the drive after all wiring and set up is complete. Do not use this drive in an explosionproof application. [. . . ] If the motor current exceeds the nameplate rating, decrease the boost setting. 13. 7 Motor Overload (I2 t) with RMS Current Limit (CL)* ­ Sets the current limit (overload), which limits the maximum current to the motor, prevents motor burnout, and eliminates nuisance trips. The CL Trimpot is factory set to 160% of the drive rating. To increase the current limit, rotate the CL Trimpot clockwise. [. . . ]