Main circuit wiring the vfd main circuit terminals shown as below figure. 1 the vfds three phase ac input terminals rl1 sl2 tl3 the power lines input terminals connect to 3 phase ac power through line protection or leakage protection breaker it does not need to consider the connection of phase sequence.
Vfd Start Stop Wiring Diagram Electrical4u
3 phase vfd wiring diagram. Three phase wiring diagrams always use wiring diagram supplied on motor nameplate colored leads are only applicable on the new rolled steel motor lines. I have included a picture of the wiring diagram attached to the motor below. Pin out connection diagram for vfd m fig. For programming the vfd m. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2 l2 l3 gnd h1 h3 h2 h4 f u 3 x1a f u 4 f u 5 x2a r power on optional x1 x2115 v. W2 cj2 ui vi wi w2 cj2 ui vi wi a cow voltage y high voltage z t4 til t12.
The motor is a 1 hp 3 phase 208 230460 volts and im wiring a 120 vac supply voltage into the vfd which steps that up to 3 phase 230 v. 2 phase and 3 phase size 00 to 5 44 3 phase size 6 45 3 phase size 7 46 3 phase additions and special features 47 50. Single phase wiring diagrams always use wiring diagram supplied on motor nameplate. Learn the basic wiring of variable frequency drives vfd with our electrician steve quist. This is a start stop push button control schematic which includes contactor m overload relay control transformer and push buttons. In this video we used the very popular mitsubishi d700 series vfd showing single phase and three phase wiring instructions.
The wiring diagram for connecting thee phase motor to the supply along with control wiring is shown in figure below. We strongly recommend using a certified electrician to set up your vfds. Controlling a digital keypad on delta vfd m steps for complete motor control. Based on that diagram and the fact that the motor will be operated at 230 v i gather that wires 9 and 3 8 and 2 7 and 1 and. The vfds showed in the video are the d720s 230v single phase and the d720 230v three phase. Switch on the 3 phase power supply.
Check connections of l1 l2 l3. T1 t2 t3 used for giving 3 phase input to vfd and connecting motor to it and wires coming out of m0 m1 and gnd.
Gallery of 3 Phase Vfd Wiring Diagram
