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Panel Operation Instructions
Advanced Features
- Independent control panel and detachable for remote control.
- Parameters can be set to achieve the braking function.
- Support 5V or 10V PWM control frequency.
- Single/Three-phase: We offer single-phase 220V and three-phase 220V inputs. When used for single-phase, the other phase can be used as a spare line.
- Use the parameter setting to achieve the effect similar to the external resistor.
- A high capacitance with low output torque 0.5HZ-150% and low speed operation.
- Superior anti-interference performance.
Simple operating guide（motor）
Connecting load devices (eg.motor)
- If the input power is single-phase 220v, then connect to R and T. S is empty and does not need to be connected；
- If the input power is three phase 220v then connect to R, S and T；For 3KW power models, only L and N need to be connected and the other wire is empty.
- The three wires of the motor are connected to U,V,W, Motor junction box needs to be changed to Δ wiring method (You can see the motor nameplate is generally marked delta for three-phase 220v, Y for three-phase 380v, if you do not understand the motor name plate to take photos to us).
Set The Initial Test Parameters:
- pn32=6, pn02=rated frequency of the motor, pn03=2, pn04=1；pn10=rated frequency of the motor；pn12=rated frequency of the motor
- After setting as above, press the RUN button to start and STOP button to stop, FWD/REV button to switch forward and reverse, and the panel up / down buttons to adjust the speed.
Cooling Fan
With fan cooling and efficient heat dissipation capability, it makes sure the internal temperature of VFD is suitable for long and consistent operation.
Excellent Material
The drive board is cleaned and spray painted. A high torque, high precision, fully adjustable speed drive with unique control method enables it to adapt to harsh grid, temperature, humidity and dust interference capability.(Protection class IP30)
Widely Applications
Used in mechanical winders, mixers, extruders, slitters, winders, compressors, ventilators, pumps, grinders, elevators, and other speed control machines.
Randy
2025-08-23 14:03:56
It works fine but the instructions for the settings are unclear
Jason
2025-08-21 17:16:21
I bought two of these. Hook them up to my lathe and bridge port mill and works amazing.
John Kennedy
2025-08-14 14:49:05
I bought this VFD to replace the Westinghouse/TECO N3 VFD which failed on my 2HP Bridgeport milling machine. I think the unit is actually the ISACON A2 Series, I'm not sure if HKS rebrands it or if HKS is part of ISACON? This unit is considerably smaller than the TECO N3 and only has 2 mounting holes. There is no strain relief for the AC line input wires nor the motor output wires. I used the strain relief bracket off of the TECO, but this still leaves the wires exposed. I took off one star for no strain relief. I'd also prefer it if all the wires were completely enclosed. With the wires exposed, I'm not sure if this unit meets US UL wiring code or not? The terminals for the AC line input and motor output are also quite small, I used forked terminals for a US #6 stud (or you could use whatever the metric equivalent is), this means you'll probably have to use #12 GA wire or less. I followed the instructions given in the "Set The Initial Test Parameters" found on the Amazon page for this unit, I just changed the PN02, PN10, and PN12 parameters to 60Hz instead of 50Hz (I'm in the USA). The instruction manual is very brief but adequate for what I needed, but could be better explaining some of the more advanced features. The turn on and turn off acceleration default to 10S and are much slower than the TECO unit, but these can be easily changed with PN08 and PN09. I used an external pot on the TECO N3 to change the frequency and thus the motor speed, but this can be done on this unit with the UP/DOWN buttons on the front panel, which is nice feature. You can also set it up to use an external pot if you want to. Initially I like the way the unit works, the front panel seems fairly intuitive, and everything worked as I expected. The price is certainly appealing, much cheaper compared to something like the TECO. It will be interesting to see how it holds up in the long term, but I would certainly recommend it at this point especially for a home machinist such as myself.
Danno the Unfortunate
2025-06-05 11:45:11
got the 5hp unit to run my 3ph 5hp compressor since my home shop doesn't have 3ph. manual is terrible but there are so few settings its not too bad to figure out, however once the belts were tight it started immediatly over currenting trying to run my load. even with loose slipping belts it was extreemly sensitive to the settings on the unit to run it even at lower power.
JMGriffith
2025-04-02 13:44:50
The media could not be loaded.
Charles R Takach
2025-02-23 15:39:31
It works as it should
Doug Busch
2024-12-18 14:39:37
I have purchased two of these units, for different machines. Both VFDs exhibit the same issue. The acceleration parameter works when the unit is set for panel control, but when set for start/stop by external switch closure, acceleration time is ignored, leading to an instantaneous start and overcurrent error when starting. (BTW, I've set up many VFDs, this is not an operator error). There is no tech support available. This severely limits how the unit can be installed and used. I will not buy from this manufacturer again.
Customer
2024-11-14 20:17:10
It works great.
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