Existing reviews of 1 hp (0.75 kW) VFD, Single Phase Input & Output
Is it possible to configure my GK3000-1S0007 so as to execute FWD upon power up? Also, is there a way to have the up/down buttons set the frequency instead of the potentiometer?
From:
Maeve
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Date:
24/07/2024
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1. Yes, enable "external terminal control", then short-connect X1 and COM, your VFD will start to run as.
2. Yes, set P0.01=1, and when not running, long press the "△" or "▽" button so the value of P0.02 (setting running frequency) will change.
I think the motor VFD combination should remove the capacitor and cover the wires, right? Please advise, thank you for your help.
From:
Aubren
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Date:
12/07/2024
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The motor VFD combination does not require the removal of the capacitor of the single-phase motor. You can connect the 2 cables of the single-phase motor directly to the VFD output terminals U, W (the V terminal is floating), and connect the single-phase power supply 220V to the input terminals L, N. If you have any other questions, please feel free to contact us.
Please recommend the proper VFD
Please recommend the proper VFD that will provide 1ph 230v input to 1ph 230-volt output, 60hz with 10amp capacity.
From:
Darren
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Date:
05/02/2024
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The VFD will provide 1ph 230v input to 1ph 230-volt output, 60hz, but the rated output current is only 7A and cannot reach 10A. If you want the VFD to output more than 10A, you need to buy a 3HP capacity version.
I’ve just installed a VFD
I’ve just installed a VFD with a 1/2hp asynchronous 110/220V motor. It is wired for 220v. It has a single centrifugal switched start capacitor. The capacitor has been removed. All VFD's settings are default. When starting the speed only goes up to about 1/4 of rated rpm and will not go higher. The current in the start wiring is high (7-9A). Disconnecting the start winding (after allowing the motor to start running) allows the motor/VFD to run normally.
From:
Grayson
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Date:
09/01/2024
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1. We do not recommend removing the motor capacitor, please refer to the attached wiring diagram for wiring.
Please refer to the manual: https://www.ato.com/Content/doc/ato-gk3000-single-phase-vfd-user-manual.pdf
2. The speed of the motor cannot reach the rated value, maybe the frequency is not set properly. We recommend setting the frequency: P0.02=rated frequency, P0.05=rated frequency, P0.06=rated frequency.
Please refer to the quick set manual: https://www.ato.com/Content/doc/gk3000-series-vfd-quick-set-user-manual.pdf
Please refer to the setting video: https://youtu.be/jiVpJAY84MQ
I have a new VFD,but I have a problem.
I have installed a single-phase 220 v .75KW spindle according to the instructions in the manual. In an unloaded condition, the motor will not start smoothly and run. there is tremendous vibration on startup and shutdown, and the drive goes into error mode, requiring a reset to recover.
From:
Benjamin
|
Date:
08/01/2024
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We think it may be that the frequency parameters of your VFD are Not set properly. You need to set the parameters: P0.02=motor rated frequency, P0.05=motor rated frequency, P0.06=motor rated frequency.
I have a 0007 Vfd and need to know the wiring for a single PH motor 220v input
From:
Blake
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Date:
08/01/2024
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The VFD input terminal is connected to R, S terminals or L, N terminals. Please refer to this document: https://www.ato.com/Content/doc/gk3000-series-vfd-quick-set-user-manual.pdf
I connected and ran the VFD as per your instructions. However, when I checked the frequency on 3 phases, one phase seemed broken. One phase reads 60 Hz at zero load and the other phase reads more than 1 kHz in my multimeter.
Measured Frequency: at zero load when VFD running at minimum speed (zero)
(U & V) = 60Hz
(U & W) = 1.6 kHz
(V & W) = 1.6 kHz
What happens to the VFD? Do you have any idea how to troubleshoot this issue?
From:
Blake
|
Date:
08/01/2024
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It is inaccurate to use a multimeter to measure VFD output frequency and voltage. You can run the VFD without loading first. Please check whether the operating frequency on the panel can reach 60HZ.
Then please use a multimeter to measure whether the voltages at the output terminals U, V, and W are normal. If the output voltage deviation is not large, you can connect the motor. Please run the motor without load to see if the motor can run normally.
220 To 110VAC single fase
it is possible to connect the VDF input 220 single phase to motor 110VAC 1 HP
From:
JORGE
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Date:
18/10/2023
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Yes, but please note that the output voltage parameter should be limited to 110V before use.
Can the VFD work with a compressor?
I bought a VFD last week. Now I have a question. Can the VFD work with a compressor?
From:
Hollye
|
Date:
07/08/2023
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Our VFD can only be connected to an asynchronous motor and can not be used as a power supply. If there is an asynchronous motor in your compressor, please provide us with the nameplate diagram of the motor for further confirmation.
Hi,
I was wondering if I can use this VFD to drive my drill press 750w permanent split capacitor motor.
I have no idea about how I should connect the motor, my main concern is to control the speed of the motor with keeping the torque. Also, I was wondering if it is possible to control the rotation of the motor and adding external switches and potentiometers. Thank you
From:
Maisara
|
Date:
23/05/2023
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Single-phase VFDs have a small starting torque when controlling single-phase motors. If you want constant torque or high torque starting and speed regulation operation, ATO suggests you replace your single-phase (split-phase) motor with a three-phase motor. Also, the current and power rating of the VFD must be greater than or equal to the current and power rating of the motor.
Do I need to buy a separate 24 volt power supply?
I thought the vfd would supply the 24 volt power needed. Do I need to buy a separate 24 volt power supply?
From:
Parker
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Date:
03/03/2023
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Yes, the 24V voltage of the pressure sensor can directly use the 24V voltage output on the VFD terminal (P24 terminal, GND).
Instructions of VFD voltage adjustment
Hello, the electrician installed the used unit you sold me with the new digital operator. Also connected to my machine. He set the parameters that he is familiar with and your booklet.
Unfortunately… back to the very same question I asked you from the beginning, voltage!!!. You said it’s adjustable but did not give me any instructions. Electrician has disconnected my machine and told me he will return after I ask you about the voltage instructions hat I can show him the email. I have 240V single phase, 60hz input. Out put single phase, 50hz exactly what we want but 273V is our output. It must be 220V. Please help. Thank you.
From:
carver
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Date:
02/03/2023
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You can adjust the output voltage by setting the output voltage parameter p0.08 = 220V of the VFD.
If the output voltage is still high after setting p0.08 = 220, please set p0.08 = 210V, and test again.
For VFD's voltage and frequency settings, please refer to the quick setting document list description of the attachment.
I am powering the VFD with 208V 1Phase, 60 Hz and I am drawing 208V 3 Phase to run the motor. I want to know how low can I go on the frequency front.
In addition, will the VFD change to variable torque for the fan application or will it change the power linearly with respect to the speed of the motor while maintaining the torque constant?
From:
Marrissa
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Date:
12/12/2022
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Yes, you can run a 208V 3 Phase motor by powering the VFD with 208V 1Phase, 60 Hz. The VFD will change the power linearly with respect to the speed of motor while maintaining the torque constant, and it can output frequencies as low as 0.5Hz.
We purchased this 1hp VFD drive a couple of years back. I have a couple of questions related to that.
1. What is 1 in 1S007? In the manual, I only see 2 and 4.
2. Also, can I use it for controlling the fan motor?
From:
Bob
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Date:
12/12/2022
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1. The 1 in 1S007 means that the VFD is 1 Phase input/1 Phase output, and 2S means that the VFD is a single-phase input, three-phase output version.
2. Yes, you can also use it to control the fan motor. If your fan motor is a three-phase 230V motor, then that works too. But note that the rated current of the motor should be lower than the rated current of the VFD output.
Does this VFD have the option to sleep once it reaches the set point?
I want to use it for a constant water pumping system
From:
Luis
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Date:
17/06/2022
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Yes, it does. Please refer to our YouTube example video: https://www.youtube.com/watch?v=OKR4tX4x0qQ&t=159s
I purchase this single phase VFD for running a single phase pump. I face an issue where the current applied to the pump is higher than the rated current we set in the GK3000 and some in a while drop to almost zero value. Do you have any recommendation of which parameter of the VFD need to be changed to avoid that?
From:
Abys
|
Date:
27/05/2022
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We recommend that you can set the VFD parameters P0.02=2 or 3, P5.04=200, and test again.
Can i use to control a Gate opener , i need to reduce the startup current
1HP
230V
60HZ
FLA 7 A
Eff-70
PF-76
From:
Alain
|
Date:
04/02/2022
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We need to know your motor nameplate to recommend a suitable VFD for you. You can send the motor nameplate to our email support@ato.com.
Can you provide the VFD I need?
Can you provide 1 phase 220~240V to 3 phase AC 0~input voltage but with 60HP power capacity?
From:
Bernadette
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Date:
16/01/2022
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We want to start your 1 phase, 1hp VFD at 40Hz, can we do that?
From:
Greene
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Date:
11/08/2021
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No, the VFD cannot be directly started from 40Hz, and if the minimum frequency of VFD is run from 40Hz, the motor current will be very high (Equivalent to 5-8 times rated current) and this is similar to running the motor from the mains grid.
We have a boat we are working on that has a 50Hz 230V distribution. The boat purchased a 60Hz 230V fresh water motor pump and I want to have the VFD set to output at 230V 60Hz with a 230V 50Hz supply, can your 1-phase VFD do that?
From:
Philip
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Date:
28/04/2021
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Yes, the VFD outputs 230V, 60Hz with 230V, 50Hz supply.
These are awesome controllers and really server for multiple purposes. I use these for controlling large fans in different sizes that exhaust hot air from a crypto mining farm.
From:
Alec
|
Date:
12/03/2021
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1hp single-phase variable frequency drive can run multiple motors at the same time
I am interested in 1hp single phase output VFD. I have one questions about it. Can we control your single phase VFD through Modbus?
From:
Ashley
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Date:
02/03/2021
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Yes, you can control the variable frequency drive through Modbus.
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