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                                                                                                                                                                                                            FR-F800 frequency inverter for fans, FR-F800 pump frequency converter, special frequency inverter with warranty
                      

Product Name:	Frequency Converter Inverter	Rated Power:	0.75kW - 315kW
Power Phase Number:	Three Phase	Level Of Protection:	IP20
Warranty:	Original Factory Warranty	Pakage:	Original Pakage
Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/ Sea Freight / Air Freight / International Special Line

Product Name:	Frequency Converter Inverter
Rated Power:	0.75kW - 315kW
Power Phase Number:	Three Phase
Level Of Protection:	IP20
Warranty:	Original Factory Warranty
Pakage:	Original Pakage
Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/ Sea Freight / Air Freight / International Special Line

FR-F800 Series Inverters Special Frequency Converter For Fans And Pumps

FR-F800 Series Inverters: Special Frequency Converter for Fans and Pumps

The FR-F800 series is a new-generation dedicated inverter for variable-torque loads like fans and pumps, integrating innovative heritage, enhanced energy efficiency, and environmental sustainability. It delivers remarkable energy savings through precise speed control for HVAC, water supply, and drainage applications worldwide.

Core Product Features

Optimized Energy Efficiency

Equipped with optimized excitation control technology for significant energy savings during motor acceleration, deceleration, and constant-torque operation
Prevents overcurrent during steep speed changes
Offers two rated modes (light load and ultra-light load) to match diverse fan/pump requirements
Multi-pump control functionality - one inverter can regulate up to four parallel pumps
Automatically adjusts the number of power-frequency pumps based on water demand
Controls pump inlet pressure to avoid idling and cavitation

Anti-Interference & Harsh Environment Resistance

Built-in EMC filter with optional AC/DC reactors effectively suppresses noise and harmonic current leakage
Improves power factor and reduces electromagnetic interference
Selected models feature coated circuit boards and plated conductors for dusty, humid, and harsh working conditions
Certified by UL, CE, KC, EAC, and compliant with RoHS directives for global market access

Comprehensive Safety Protection

Supports Safe Torque Off (STO) function complying with EN ISO 13849-1 PLd/Cat.3 safety standards
Load detection system quickly identifies faults like fan belt breakage, motor bearing damage, and pipeline blockages
Anti-seize function with automatic forward/reverse rotation to clear debris in pumps
Anti-windmilling function prevents damage from pre-rotating loads before startup
Built-in internal temperature sensor monitors abnormal temperatures from cooling system failures

Easy Operation & Maintenance

Standard USB port enables quick parameter import/export via USB flash drive
Dedicated programming software for easy data editing and configuration
Control circuit includes standard 24V DC power interface for parameter setting without main power
Long-life components with cooling fans and capacitors featuring 10-year design lifespan
Fan on/off control extends service life
Component lifespan reminder function facilitates proactive maintenance planning

Flexible Control Functions

Built-in dual-loop PID control unit regulates motor operation and external equipment simultaneously
Eliminates need for additional PID controllers, reducing system costs
PID setpoints adjustable directly via operation panel
Optional LCD keypad supports unit conversion (air volume, temperature) for intuitive on-site debugging
PID pre-charge function prevents water hammer during pipeline idling startup

Core Specifications

Specification Category	Specific Parameter	Details
Power Supply Specifications	Input Voltage	Available in 200V Class and 400V Class. For 400V Class models: Standard 3-phase 380-500V input, with allowable voltage range of 323-550V.
	Input Phase	3-phase
	Harmonic & Power Factor Optimization	Built-in EMC filter; Input side zero-phase reactor integrated for models ≤55kW; Optional AC reactor (FR-HAL) and DC reactor (FR-HEL) available. DC reactor mandatory for models ≥75kW.

Load & Rating Characteristics	Rated Modes	2 modes selectable: Light Load (LD) and Super Light Load (SLD)
	Overload Current Rating	SLD Rating: 110% overload for 60s, 120% overload for 3s (inverse time characteristic), suitable for 40℃ ambient temperature. LD Rating: 120% overload for 60s, 150% overload for 3s (inverse time characteristic), suitable for 50℃ ambient temperature.
	Multi-Pump Control Capacity	Single inverter supports PID control for up to 4 parallel pumps, automatically adjusting the number of power-frequency operating pumps.
Control Functions	Core Control Features	Built-in dual-loop PID control unit; PID setpoints adjustable directly via operation panel; PID pre-charge function prevents water hammer.
	Special Adaptive Functions	Includes anti-seize, anti-windmilling, instantaneous stop & restart, regenerative avoidance; Load characteristic measurement detects faults.
	Programming & Timing Control	Supports ladder logic programming via FR Configurator 2 software; Timed operation with optional LCD keypad (FR-LU08) and built-in real-time clock.
Communication Interfaces	Standard Communication Protocols	Supports Inverter Protocol, Modbus® RTU, and BACnet® MS/TP (standard).
Communication Interfaces	Extended Communication Support	Compatible with multiple industrial networks (CC-Link, CC-Link IE Field Network, LonWorks®) via optional communication modules.
Interfaces & Peripherals	Basic Interfaces	Standard USB port; Standard 24V DC power interface for control circuit.
Interfaces & Peripherals	Monitoring Output Interfaces	Selected models equipped with FM terminal (pulse train output), AM terminal (0-±10VDC analog voltage output), and CA terminal (0-20mA DC analog current output).
Protection & Environment	Protection Class	Standard models: IP20; Selected models available with IP55 protection.
	Environmental Adaptability	Selected models feature coated circuit boards and plated conductors for dusty and humid conditions; Certified by UL, CE, KC, EAC, and RoHS compliant.
	Special Protection Design	Built-in internal temperature sensor; Supports Safe Torque Off (STO) function complying with EN ISO 13849-1 PLd/Cat.3.
Accessories & Service Life	Component Lifespan	Core components (cooling fans, capacitors) have 10-year design lifespan.

Model List

3-Phase 200-240V Models

Model	Rated Power	Rated Current	Dimensions (W×H×D, mm)	Weight (kg)	Remarks
FR-F820-00046-1	0.75kW	4.6A	110×260×110	1.9	Standard model
FR-F820-00077-1	1.5kW	7.7A	110×260×125	2.1	Standard model
FR-F820-00105-1	2.2kW	10.5A	150×260×140	3	Standard model
FR-F820-00167-1	3.7kW	16.7A	150×260×140	3	Standard model
FR-F820-00250-1	5.5kW	25A	150×260×140	3	Standard model
FR-F820-00340-1	7.5kW	34A	220×260×170	6.3	IP55 protection available
FR-F820-00490-1	11kW	49A	220×260×170	6.3	Standard model
FR-F820-00630-1	15kW	63A	220×300×190	8.3	Standard model
FR-F820-00770-1	18.5kW	77A	250×400×190	15	Standard model
FR-F820-00930-1	22kW	93A	250×400×190	15	Standard model
FR-F820-01250-1	30kW	125A	250×400×190	15	Standard model
FR-F820-01540-1	37kW	154A	325×550×195	22	Standard model
FR-F820-01870-1	45kW	187A	435×550×250	42	Standard model
FR-F820-02330-1	55kW	233A	435×550×250	42	Compatible with high-efficiency IPM motors
FR-F820-03160-1	75kW	316A	465×700×250	54	DC reactor (FR-HEL) mandatory
FR-F820-03800-1	90kW	380A	465×740×360	74	Can drive motors one power class higher
FR-F820-04750-1	132kW	475A	465×740×360	74	Standard model

3-Phase 380-480V Models

Model	Rated Power	Rated Current	Dimensions (W×H×D, mm)	Weight (kg)	Remarks
FR-F840-00023-E	0.75kW	2.3A	150×260×140	2.5	Standard model
FR-F840-00038-E	1.5kW	3.8A	150×260×140	2.5	Standard model
FR-F840-00052-E	2.2kW	5.2A	150×260×140	2.5	Standard model
FR-F840-00083-E	3.7kW	8.3A	150×260×140	3	Standard model
FR-F840-00126-E	5.5kW	12.6A	150×260×140	3	Compatible with high-efficiency IPM motors
FR-F840-00170-E	7.5kW	17A	220×260×170	6.3	IP55 protection available
FR-F840-00250-E	11kW	25A	220×260×170	6.3	Standard model
FR-F840-00310-E	15kW	31A	220×300×190	8.3	Standard model
FR-F840-00380-E	18.5kW	38A	220×300×190	8.3	Standard model
FR-F840-00470-E	22kW	47A	250×400×190	15	Standard model
FR-F840-00620-E	30kW	62A	250×400×190	22	Standard model
FR-F840-00770-1	37kW	77A	325×550×195	23	Standard model
FR-F840-00930-1	45kW	93A	435×550×250	41	Standard model
FR-F840-01160-1	55kW	116A	435×550×250	41	Compatible with high-efficiency IPM motors
FR-F840-01800-1	75kW	180A	435×550×250	43	DC reactor (FR-HEL) mandatory
FR-F840-02160-1	110kW	216A	465×620×300	52	Standard model
FR-F840-02600-1	132kW	260A	465×620×300	55	Standard model

Applications

HVAC & Building Automation

Commercial buildings in Europe and North America use FR-F840 Series (7.5kW-37kW) for HVAC cooling towers, chilled water pumps, and air handling unit fans. Dual-loop PID control precisely regulates temperature and air flow, while energy-saving mode reduces electricity consumption by 20-30% compared to fixed-speed systems.

Water & Wastewater Treatment

Municipal water plants globally use FR-F840 high-power models (45kW-132kW) for raw water intake pumps, sludge treatment pumps, and disinfection system agitators. Anti-cavitation and anti-seize functions prevent pump damage from sediment buildup.

Industrial Manufacturing

Food & beverage facilities use FR-F820 Series (3.7kW-11kW) for cooling system pumps, ventilation fans, and mixing tank agitators. Smooth speed regulation avoids product quality issues and compliance with RoHS directives meets food safety standards.

Agriculture & Irrigation

Large-scale farms use FR-F820 Series (5.5kW-30kW) for centrifugal pumps. Ultra-light load mode optimizes energy consumption for low-pressure, high-flow irrigation, and windmill prevention function protects pumps from damage.

Infrastructure & Municipal Engineering

Highway tunnels and urban underpasses use FR-F840 Series (15kW-45kW) for ventilation fans and smoke extraction systems. Instant stop-restart function ensures rapid fan activation during emergencies.

Data Centers & Telecommunications

Server room cooling systems use FR-F840 Series (7.5kW-45kW) for chilled water pumps and CRAC unit fans. Precise PID control maintains stable temperature/humidity, while built-in BACnet protocol enables integration with building management systems.

Frequently Asked Questions

Voltage & Power Supply: FR-F840-00770-1 (37kW, 380-480V) reports "Undervoltage" (E.UVT) when grid voltage fluctuates to 360V

The 400V class FR-F840 has an allowable voltage range of 323-550V. While 360V is technically within range, fluctuations trigger protection. Check main circuit terminals with torque wrench (tighten to 4N*m) to eliminate voltage detection errors. Set parameter P217 "Undervoltage Detection Sensitivity" to "Low" to extend detection delay. For frequent grid fluctuations, install a 37kW input reactor (FR-HAL series) to stabilize voltage waveforms and suppress harmonics.

Installation & Environment: FR-F840-00470-E (22kW) in chemical plant reports "Overheating" (E.OH) at 48℃ ambient temperature

Maximum operating temperature is 50℃. Clean sand and dust from heatsink using compressed air (pressure ≤0.3MPa). Install dust filter on control cabinet air vents and use high-power cooling fan (air volume ≥300m³/h). Consider installing cabinet air conditioner to maintain internal temperature below 40℃. Check inverter cooling fan operation (normal speed ≥2500rpm).

Function Debugging: FR-F820-00167-1 (3.7kW) in SLD mode only reaches 45Hz speed

SLD mode has low overload capacity (110%/60s). Switch to Light Load (LD) mode via parameter P009. Check for pump inlet/outlet pipe blockages or impeller debris. Adjust PID set value via parameter P128 to increase target pressure, allowing speed above 50Hz.

Networking: FR-F840-00310-E (15kW) BACnet communication failure with BMS

Enable BACnet protocol via parameter P240 set to "BACnet MS/TP". Verify communication address (parameter P241) matches BMS configuration. Check RS-485 cable wiring (A/B terminals correct), use shielded twisted-pair cable, limit length to 100m, install 120Ω terminal resistors. Maintain 30cm distance from power cables. Verify baud rate (parameter P243) matches BMS (default 9600bps).

Maintenance: FR-F840-00620-1 (30kW) displays "Capacitor Lifespan Warning" (E.CAP) after 3 years

E.CAP indicates main circuit capacitor capacity dropped to 80% of rated value. Replace capacitor promptly using genuine capacitor (model FR-CAP30). If temporary shutdown impossible, reduce inverter load to below 70%. Disconnect power and wait 10 minutes for discharge before replacement.

Selection & Certification: Does FR-F840-00083-E (3.7kW) meet UL certification for US market?

Yes, FR-F840-00083-E with "-E" suffix has passed UL 508C certification. Provide UL certification certificate, inverter nameplate with UL logo, and technical data sheet indicating compliance with UL 508C and NEMA standards. Set input voltage to 480V via parameter P001 for US industrial grid.

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FR-F800 Series Inverters Special Frequency Converter For Fans And Pumps

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