4KW - 7.5KW Variable Frequency Drive Hvac Converter Small Size High Precision

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Certification

1. System is started smoothly, without surge current; 2. Much higher efficiency than old system; 3. Remarkable energy saving than old system; 4. System running smoothly and stably, very low current.

—— Malaysian partner

The machine runs steadily and the high quality machine is very good.

—— Russian agent

4KW - 7.5KW Variable Frequency Drive Hvac Converter Small Size High Precision

Large Image : 4KW - 7.5KW Variable Frequency Drive Hvac Converter Small Size High Precision Get Best Price

Product Details:

Place of Origin:	China
Brand Name:	Kinda
Model Number:	KD330

Payment & Shipping Terms:

Minimum Order Quantity:	Negotiable
Price:	Negotiable
Delivery Time:	3~8 Day
Payment Terms:	TT
Supply Ability:	Adequate inventory

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Detailed Product Description

Way Of Communication:	Standard Modbus Communication	Smart Start/sttop:	Reliable Speed Tracking Restart Performance
Design:	Modular Design, Compact Structure, Easy Maintenance And Enhanced Product Interchangeability	PCB Protection:	Spray Three Anti-paint To Protect The Circuit Board Intelligently And Efficiently
Intelligent Control:	Speed Sensorless Open Loop Vector Control	Terminal Function:	Rich Multi-function Terminal
High Light:	variable frequency controller , vfd ac drive

HVAC VFD Variable Frequency Drive 4KW ~ 7.5KW 380V ~ 460V 3AC

HVAC special frequency converter comes standard with MODBUS communication protocol, intelligent logic control function, manual and soft start function, supports dual PID regulator, integrated fan, water pump and compressor control functions.

Item	Technical Index	Specification

Input	Input voltage	1AC 220~240V±15%
		3AC 220~240V±15%
		3AC 380~460V±15%
	Input frequency	50/60Hz±5%
Output	Output voltage	0~rated input voltage
	Output frequency	0~6000Hz
Control Features	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 combinated & switched in various modes.



	Control mode	V/f control
		Sensorless vector control
		Torque control
	Operation command mode	Keypad control
		Terminal control
		Serial communication control (Modbus)
	Overload capacity	150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s.
	Frequency accuracy	Digital setting: 0.01Hz
		Analog setting: maximum frequency ×0.05%
	Starting torque	0.5Hz/180% (SVC); 1Hz/150% (V/f)
	Speed control precision	±0.5% (SVC)
	Carrier frequency	temperature and load characteristics 0.5~16.0kHz, automatically adjusted according to

	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: 0.0s~65000s

	Braking unit	build-in standard.
	DC braking	DC braking when starting and stopping
		DC braking frequency: 0.0Hz~maximum frequency
		Braking time: 0.0s~25.0s
	Built-in PID	Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)


	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 multi-step speeds running via the built-in PLC or control terminal.

	Automatic voltage regulation	Keep output voltage constant automatically when input voltage fluctuating

Control Function	Torque control	Torque control without PG
	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	Comprehensive protections include over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running data while failures happen.



Input/output terminals	Output terminals	2 relay outputs,
		2 open collector outputs,
		2 anaalog outputs, 0~10V / 4~20mA
	Input terminals	Programmable digital input: 7 multifunctional inputs, one can be work as high speed pulse input.3 programmable analog input:AI1, AI2, AI3: 0~10V / 4~20mA


	Communication terminals	Build-in standard RS485 communication interface, support MODBUS-RTU communication protocol

Human machine interface	LED display	Display frequency setting, output frequency, output voltage,output current, etc. Two lines display

Environment	Ambient temperature	-10~50°C, without direct sunshine.
	Humidity	90%RH or less (non-condensing)
	Altitude	≤1000M: output rated power, >1000M: output derated
	Storage temperature	-20~60°C


No	Items	KD330
1	Reliable hardware	Only first-class componens are built-in.
2	Rubust design	IGBT current > 2 times of inverter output current
		Capacitor > 50uF/A
3	PCB aging test	100% test, 50°C, 12 hours.
4	Finished products aging test	100% test, 50°C, 24 hours.
5	Loading test	Two times, 100% tested:
		1. After manufacturing.
		2. After aging test.
6	Grouped pulse testing	Without failure under 4500V (better EMC performance).

7	Smart start / stop mode	Acceleration / Deceleration time can be set as 0.0s, the inverter starts and stops the motor as fast as possible without failure.

8	Electrostatic testing	1. Noncontact conditions -- without failure under 10000V.
9		2. Under contact condition -- without failure under 5000V.
	High overload capacity	150% / 120s, 160% / 60s, 180% / 10s, 200% /1s
10	Big start torque	0.5Hz/150% (V/f), 1Hz/150% (SVC)
11	LED display	>7,5kW, two lines parameters dispaly, convenient for commissioning and operating.

12	EMC filter	C3 level EMC filter build-in standardly