User manual KB ELECTRONICS KBLC-240

[. . . ] 3 Plug-in Horsepower Resistor® Chart . 6 Field Connection (Shunt Wound Motors Only) . 4 Motor Voltage Selection (J2) (Model KBLC-240 Only) . 11 ii i. KBWM-120, 240 SIMPLIFIED OPERATING INSTRUCTIONS IMPORTANT ­ You must read these simplified operating instructions before proceeding. [. . . ] 9833 9834 9835 9836 9837 9838 9839 9840 Motor Horsepower Range 1/100 1/50 1/30, 1/25 1/20 1/15, 1/12 1/10, 1/8, 1/6 1/4 1/3 1/50 1/25 1/15 1/10 1/6 1/4 1/2 3/4 Notes: 1. Motor horsepower and armature current must be specified in order to select correct Plug-in Horsepower Resistor®. For motor horsepower not indicated, use the lower ohm value Plug-in Horsepower Resistor®. B. AC Line Fuse ­ The KBWMTM contains a 5Amp AC line fuse used to protect the control against catastrophic failure. If fuse blows, the control may be miswired, the motor is shorted or grounded, or the speed control module is defective. Replace with Littelfuse 326, Buss ABC or equivalent. Note: Bypassing or eliminating the fuse will void warranty. CAUTION: Most electrical codes require that each ungrounded conductor contain fusing. Separate branch fusing or circuit breakers may be required on 208/230 VAC line. Armature Fuse -- The KBWMTM has provision for installing an armature fuse that helps protect the motor and control from damage due to overload. Armature fuses are 3 AG type and are available from your distributor. TABLE 4 ­ ARMATURE FUSE SELECTION CHART Approx. See Figures 5A and 5B for the F+ and Fterminal locations. Attach motor field using insulated 1/4" Q-D female terminals. For Standard PM (2-wire) motors, the Field is not used. CAUTION: Shunt-wound motors may be damaged if field remains connected without motor rotating for an extended period of time. TABLE 6 ­ FIELD CONNECTION (Shunt Wound Motors Only) AC Line Voltage VAC 115 115 208/230 208/230 208/230 Motor Voltage 0 ­ 90 0 ­ 90 0 ­ 180 0 ­ 180 0 ­ 90 Field Voltage (Volts DC) 100 50 200 100 100 Field Connection F+, FF+, L1 F+, FF+, L1 F+, L1 FIGURE 5A ­ FULL VOLTAGE FIELD ARM F1 SW3 WHT L2 F+ B FIGURE 5B ­ HALF VOLTAGE FIELD ARM F1 L2 F+ B LINE F2 F- LINE F2 F- J2 90V 180V T 90V 180V T J2 TB1 BLU SW6 BLU SW3 WHT TB1 SW6 I1 L1 L2 A+ A- I1 L1 L2 A+ A- I2 MIN M FIELD* MIN I2 M FIELD* + AC LINE MOTOR + AC LINE + MOTOR + *Shunt motors only 7 E. Fusing ­ As indicated in Section IIB, the KBWMTM contains a single AC line fuse on 208/230 VAC applications. In the USA and other countries where the 208/230 volt is derived from two (2) "hot" leads, both AC lines should be connected to a separate dual circuit breaker. Do not fuse neutral or grounded connections. AC Line Switch ­ The KBWMTM contains a double pole AC line switch which opens both legs of the AC line. OPERATION After wiring is complete, recheck connections to be sure they are correct. Also be sure correct armature fuse and Plug-in Horsepower Resistor® are installed. Internal lamp in power switch should be lighted indicating control is receiving AC line voltage. [. . . ] Set speed control knob at approximately 30 - 50% CW rotation. Connect a DC ammeter in series with the armature lead. Lock shaft of motor (be sure CL pot is in full CCW position). Apply power and rotate CL pot CW until DC ammeter reads 1. 5 times motor rating. [. . . ]