Basics	Model	GK3000-1S0022
	Capacity	3 hp (2.2 kW)
	Shipping weight	4 kg
	Dimension	173135240 mm
I/O Feature	Rated current	17 A
	Input voltage	Single phase AC 220V, 230v, 240v ±15%
	Input frequency	47~63Hz
	Output voltage	0～rated input voltage
	Output frequency	V/f control: 0~500Hz
	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 control
	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.
	Starting torque	1 Hz/150%
	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	GoHz VFD 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
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.
Human machine interface	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.

GoHz 3 hp single phase VFD wiring instruction for single phase induction motor
Single phase induction motor has specific wiring requirements in connecting with GoHz 3 hp single phase variable frequency drive to enable your single phase motor running properly, please follow below instructions step by step:
GoHz VFD wiring for single phase induction motor

Single phase motor has one or two capacitors, disassembly them. The VFD output can't have capacitor.
VFD Common Terminal: Running GoHz 3 hp VFD at 50Hz without connecting loads, measuring the output voltages of U-V, U-W, and V-W, two of three voltage values are the same, their common port is VFD's common terminal. Usually the default common terminal is V phase. (The output voltage is a bit higher for the non-common terminal)
Single phase motor has 3 windings and 6 taps. Base on the measuring results of the resistance by a multimeter, the biggest resistance is the secondary winding (Z1, Z2), the smaller resistance is the main winding (U1, U2), the smallest resistance (conducting) is centrifugal switch (V1, V2).
The Coupling End of the single phase motor secondary winding (Z2) and main winding (U2) is connected to GoHz 3hp VFD's output common terminal (V phase).
The Coupling End of the single phase motor main winding (U1) and centrifugal switch (V1) is connected to GoHz 3hp VFD's U phase. The Coupling End of the secondary winding (Z1) and capacitor is connected to the VFD's W phase. In case of the induction motor running in reverse, please exchange the VFD's U phase and W phase.

GoHz 3 hp VFD wiring instruction for single phase motor without disassembling capacitors
Connecting the single phase motor input lines (L, N) to GoHz 3hp VFD's V, U or W terminals. Generally V Phase should be connected, U or W is optional. Refer to below wiring picture:
GoHz VFD wiring for single phase motor without disassembling capacitors

Download GoHz single phase motor wiring instructions (pdf).

Download PDF, DOC...

PDF:	GK3000 VFD Quick Setup User Manual
PDF:	GK3000 Single Phase VFD User Manual

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Excellent Performance for Woodworking

The torque boost is a standout feature, allowing my motor to start smoothly even under heavy loads. Additionally, the V/F control ensures steady performance during operation.

By Muriel on 19/12, 2024