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    3 hp (2.2 kW) VFD, Single Phase Input & Output

    5 out of 5 based on 14 reviews | Write a review
    Cheap 3 hp VFD, 1 phase for single phase AC induction motor, good variable speed performance, 220V - 240V 17 amps, manufacturer direct sale.
    SKU: GK3000-1S0022
    Availability: In stock
    30-day Returns
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    Delivery date: 2-3 days

    3 hp variable frequency drive, 2.2 kW, 1 phase 220V - 240V for single phase AC motor, manufacturer direct sale.


    Basics Model GK3000-1S0022
    Capacity 3 hp (2.2 kW)
    Shipping weight 3 kg
    Dimension 230*118*163 mm
    I/O Feature Rated current 17 A
    Input voltage single phase AC 220V±15%
    Input frequency 47~63Hz
    Output voltage 0~rated input voltage
    Output frequency 0~1000Hz
    Over load capacity 150% of rated current for 60s, 180% of rated current for 10s, 200% of rated current for 3s
    Control Features Control mode V/F, Sensorless vector control (SVC), Speed sensor vector control (FVC)
    Operation command mode Keypad control, Terminal control, Serial communication control
    Frequency setting mode Digital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combined & switched in various modes.
    Start frequency 0.40Hz~20.00Hz
    Speed adjustment range 1:50
    Carrier frequency 1.0-16.0kHz, automatically adjusted according to temperature and load characteristics
    Frequency accuracy Digital setting: 0.01Hz
    Analog setting: Maximum frequency * 0.05%
    Torque boost Automatically torque boost; manually torque boost: 0.1%~30.0%
    V/f curve Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
    Acceleration/deceleration mode Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~3600.0s
    DC braking DC braking when starting and stopping
    DC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~100.0s
    Jog operation Jog operation frequency: 0.0Hz~maximum frequency
    Jog acceleration/deceleration time: 0.1s~3600.0s
    Simple PLC & multi-step speed operation It can realize a maximum of 16 segments speed running via the built-in PLC or control terminal.
    Built-in PID Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)
    Automatic voltage regulation Keep output voltage constant automatically when input voltage fluctuating
    Control Function Common DC bus Common DC bus for several VFDs, energy balanced automatically
    Torque control Torque control without PG
    Torque limit "Rooter" characteristics, limit the torque automatically and prevent frequent over-current tripping during the running process
    Wobble frequency control Multiple triangular-wave frequency control, special for textile
    Timing/length/counting control Timing/length/counting control function
    Over-voltage & over-current stall control Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping
    Fault protection function Up to 30 fault protections including over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running status during failure & has fault automatic reset function
    Input/output terminals Input terminals Programmable DI: 7 on-off inputs, 1 high-speed pulse input 2 programmable AI:
    AI1: 0~10V or 0/4~20mA
    A12: 0~10V or 0/4~20mA
    Output terminals 1 programmable open collector output: 1 analog output (open collector output or high-speed pulse output)
    2 relay output
    2 analog output: 0/4~20mA or 0~10V
    Communication terminals Offer RS485 communication interface, support MODBUS-RTU communication protocol
    Human machine interface LED display Display frequency setting, output frequency, output voltage, output current, etc.
    Multifunction key QUICK/JOG key, can be used as multifunction key
    Environment Ambient temperature -10℃~40℃, derated 4% when the temperature rise by every 1℃ (40℃~50℃).
    Humidity 90%RH or less (non-condensing)
    Altitude ≤1000M: Output rated power, >1000M: Output derated
    Storage temperature -20℃~60℃

    Note: The single phase motor should Not be adjusted to run based on a lower frequency than 80% of its rated frequency for along time, otherwise the motor may fail.


    2200W Single Phase VFD Details

    Tips: Irrational application in variable frequency drive energy-saving
    The variable frequency drive is a power-saving control product, but it can't be used to save energy in every occasion. In fact, the VFD is able to save energy through adjusting the motor speed, and it has slightly higher efficiency and power factor than other speed control equipment. If the variable frequency drive can achieve energy saving is determined by the speed characteristics of the load.
    For centrifugal fans or centrifugal pumps loads, the torque is proportional to the square of the speed, and the power is proportional to the cube of the speed. As long as uses the valve to control the flow, and not in full load operating, using speed control operation can achieve energy saving. When the speed dropped to 80% of the original, the power is only 51.2%of the original. We can see that the VFD has obvious energy saving effect in this type of load applications. For Roots blower loads, the torque is independent of the magnitude of the speed, that is, it is constant torque load. The original uses exhaust valve to discharge excess air flow and to adjust the air volume, if uses speed control operation, it can also achieve energy saving. When the speed dropped to 80% of the original, the power will drop to 80%, the energy-saving effect is much lower. For constant power loads, power is independent of the speed. Such as the ingredients belt scale, under the set flow conditions, when the material layer is thick, the belt speed down. When the material layer is thin, the belt speeds up. In this type of load applications, the VFD cannot achieve energy saving.

    Running a single phase motor with VFD

    In this video, ATO will show you details about running a single phase motor on a VFD. It's important to note that there are two wiring methods for single phase motor connecting to ATO single phase VFD: wiring of removing motor capacitor & wiring of keeping motor capacitor. At first, you should choose the wiring method you needed, and then set basic parameters step by step.

    Existing reviews of 3 hp (2.2 kW) VFD, Single Phase Input & Output
    Question on connectiion
    Where do I find The L1 &L2 connection ? there is no connection to suite top or middle.
    From: Kristen | Date: 17/10/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Are the L1 and L2 you are talking about the power connections for the VFD input? The VFD input terminal can be connected to the R and S terminals, please refer to the attached picture.
    VFD sleep frequency setting
    I need a sleep frequency as the pump will not flow below the set value.
    What triggers the vfd to go into continuous pressure mode vs going to sleep mode?
    From: logan | Date: 20/07/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    If you want the continuous pressure mode, you can only remove the sleep pressure.
    If you want the sleep pressure, then set the sleep pressure, the two are not compatible at the same time, you can only choose one.
    Sleep pressure means that after the actual pressure reaches the set pressure, the VFD will enter sleep mode and stop running.
    When the pressure drops to the sleep pressure, the VFD will automatically restart until the set pressure is reached again.
    How do I get VFD to run in constant pressure mode?
    Had to change the pump which is run by the 2.2kw GK3000 single-phase VFD and now it is not going into constant pressure mode.  It runs to the set pressure and goes to hibernate frequency for a period of time and shuts off.  Starts back up at low revival pressure and repeats the cycle.
    How do I get it to run in constant pressure mode again?
    I cannot change this variable:  P7.05.  
    How do I change it?  
    It currently appears to change based on P7.08 and P7.09

    P7.00     1
    P7.05     340 or 200 toggles between the two numbers (will not change)
    P7.19     225
    P7.20     340
    P7.26     1
    P7.27     950
    From: blanche | Date: 20/07/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    If you don’t need the sleep pressure function, please set the sleep pressure position P7.20=P7.05 (set pressure 340 or 200), P7.22=0 (sleep frequency), and test again
    We need help with single phase VFD
    We need help with E01 code on a gk3000 1s0022g 2.2 kw connected to a 3hp 220v 1 phase in and out. The manual send does not match.
    From: tzivia | Date: 15/06/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Unfortunately, we can not find your order number, please provide us with the order number and your motor nameplate picture for further confirmation. We hope to provide you with better service. What is the load on your motor?
    The E01 code is caused by VFD accelerated running over-current, you can try setting:
    1. Please extend the acceleration and deceleration time. (set parameter P0.17)
    2. Please adjust the V/F curve.(set parameter P0.22=2 or 3)
    3. If the VFD power is too small, you need to replace it with a higher power one.
    Is there a way to program this vfd?
    After starting the motor can U drop out on the second Mary winding ?
    Is there a way to program this?
    Or shut off the start winding which is in the U terminal?
    My amps are too high at 15 amps.
    From: rudy | Date: 06/06/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. First of all, the wiring between the VFD and the motor is fixed, so you cannot modify the wiring of the motor through programming or manually after starting the motor. As we mentioned before, the forward and reverse rotation of a single-phase motor requires manual modification of the terminal wiring.
    2. The starting current of the motor is related to the load capacity. If the load capacity is relatively large, the starting current will also be large. In order to help you solve the problem, please provide your VFD and motor nameplate label to us for further confirmation.
    Please also provide your single-phase motor manual. We need the wiring diagram of the motor for further confirmation. Thank you for your understanding.
    Can you help with this matter?
    I keep receiving Error 10 during my startup. Can you help with this matter?
    Here's some info that I have.
    Inverter: EM15-SP 1S1-1D5, this connect to run a belt sander.
    Motor specs: Model: F56C1.5S2C
    HP: 1.5
    RPM: 3520
    Voltage: 230
    Frequency: 60Hz
    Amps: 6.23 FLA, LRA 49
    P.S. I did measure the amperage during start up and it was only 18amp before it would shut down and give that Error 10.
    From: Tammie | Date: 27/07/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The VFD displays error code Error 10 indicating overload. We noticed this Inverter: EM15-SP 1S1-1D5 output rated current is 7A, while your motor FLA is 6.23A. The current of the motor is very close to the rated current of the VFD, which can easily lead to overloading.
    Now please set the VFD parameter to FE-00=0, connecting the power cord of the single-phase motor to the VFD output terminals U, V, and test again.
    If there is still a problem, we recommend you to replace the VFD with a larger capacity and please send us with your motor nameplate for confirmation.
    I am having trouble making VFD work with a 3 hp single phase motor
    I purchased an ATO 3 hp 2.2 kW VFD, 220V Single Phase Input & Output Variable Frequency Drive, but I am having trouble making it work with a 3hp single phase motor. Can someone contact me to help ensure we are wiring and configuring this properly? Unfortunately we will have to return if we cannot make it work properly.
    From: Fred | Date: 26/05/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Could you please describe in detail what caused it to fail? If possible please provide us a video of the VFD running. You could refer to this video about connecting the VFD to the motor. Plz see on
    How to read information from 3hp variable frequency drive through Windows10PC?
    How do I communicate via a Windows 10 PC to read info (rpm, hz, input sensor info, amps, volts, etc.) from your 3 hp variable frequency drive "model GK3000-1S0022"?
    From: Jonnat | Date: 01/11/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    You can use HMI + PLC and communicate through RS485 to achieve required data monitoring.
    Use of 1 phase VFD
    Can I use your 1 phase drive with a permanent split capacitor motor?
    From: Gnotel | Date: 23/06/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    No, cannot be used for permanent split capacitor motor.
    Information about single-phase input and output VFD
    I would like to know if the 1 phase to 1 phase smallest VFD comes with modbus RTU protocol.
    From: Kurth | Date: 01/06/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, and all our VFDs have modbus RTU protocol. Information about single-phase input and output VFD.
    3hp (2.2kW) VFD can single-phase input and output
    Can your GK3000-1S0022 3hp (2.2kW) VFD handle 1-phase and 3-phase motors?
    From: Gadget | Date: 07/03/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, this 3hp (2.2kW) VFD can handle 1-phase and 3-phase motors.
    Super fast shipping!
    I'll have to right a review on the vfd itself but wow on the shipping super fast!!
    From: Stivi | Date: 22/02/2021
    Was this review helpful? Yes No (0/0)
    3 hp (2.2 kW) VFD, Single Phase Input
    This is the best service I got from any online purchase. From selecting the correct product, wiring and setup.
    working excellently.
    From: Gert | Date: 18/11/2018
    Was this review helpful? Yes No (0/0)
    3 hp single phase 220v VFD
    I bought a 3 hp single phase input and output  VFD to change the speed of my single phase motor, the VFD works very well. I will purchase again if needed.
    From: Johan | Date: 26/10/2018
    Was this review helpful? Yes No (0/0)
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