Variable Speed Drives, CHV160 Series Special Frequency Inverter for Multi-Pumps Water Supply Application Product Description: 3 phase 220/230V/380V/415V/440V/460V/480V/525V±15% 5.5kW~630kW

• Control mode: V/F control
• Overload capacity: 120% rated current for 60 s
• Speed accuracy: ±0.5% max. speed (SVC)
• Speed adjusting range: 1:100
• Multi-steps speed control: 16 steps
• Built-in DC reactor from 18.5KW to 90KW to improve power factor
• Timing control: Set eight pressure reference in specific time period
• PID control: Constant pressure regulation
• Control up to 7 different pumps automatically according to pressure feedback, store specific rated current separately
• Energy saving function: Stop automatically when flow is smaller
• Timing switchover function: Prevent pump from rust, balance every pump lifetime
• Over pressure/under pressure alarm, record the faulty pump and switch the spare pump automatically.
• Dormant control
• Built-in RS 232
• Liquid level detection and control
• LCD keypad: Parameter download and upload, English version
• Automatic voltage regulation (AVR): Maintain output voltage stable when input voltage fluctuate
• Multi-functional Quick/Jog key: Access common used parameter quickly
• SHIFT key: Scroll common used parameter circularly
• Easy PLC, Multi-Speed Control Function: 16-speed Control
• Taverse Control Function
• Length and Time Control Function
• On-Stop Function while instantaneous power failure
• Speed pick-up Function: Smoothly start the running motor
• QUICK/JOG Function: Multi-function shortcut key defined by user
• Automatic Voltage Adjustment Function: Keep static output voltage automatically when mains voltage fluctuating.
• Up to 27 functions for failure protection: over current, over voltage, under voltage, over temperature, phase failure, over load etc.
• Option card needed: Water supply control card

Typical Application: Water supply, Air compressor, Central air conditioner