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Fuji Electric FRENIC-HVAC (FRN AR1) frequency inverter series for heating, ventilation and air-conditioning

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Fuji Electric frequency inverters FRENIC-HVAC (FRN AR1) series for heating, ventilation and air-conditioning
FRENIC-HVAC is the first slim type inverter dedicated for a variety of HVAC applications from Fuji Electric. This new series follows European trends and is keeping high Japanese reliability. Specific functions to manage fan and compressor applications and new energy saving functions are installed as standard, positioning FRENIC-HVAC as a high performance inverter on the HVAC and compressor market.
  • Wide capacity range from 0.75 kW to 710 kW
  • IP21 & IP55 with same dimension
  • DCR Reactor and EMC filter built-in up 90 kW / Built-in EMC filter for all capacities
  • Overload capability 110%
  • Modbus RTU, BACnet MS/TP, Metasys N2; integrated as standard
  • Specific macros for common fan and compressor applications
  • Customizable Logic (mini PLC), 14 steps, possibility to manage digital and also analog signals
  • Real Time Clock (RTC)
  • Standard 4PID control
  • Unit conversion function (kPa, bar, l/min, etc.)
  • Fire mode (forced operation)
  • Catch spinning motor
  • Password function
  • Torque Vector Control
  • Large LCD display, 19 languages + user customizable language
  • New energy saving functions
  • Battery (OPK-BP)
  • Extension cable for remote operation (CB-…S)

Fuji Electric Frenic Hvac series with integrated EMC filter and built-in choke PTA (degree of protection IP21)
Model Voltage,
V
Capacity,
kW
Current,
A
V/f
mode
Enclosure
IPXX
Output frequency,
Hz
Overload capacity,
% per 1 min
Dimensions
(W x H x D), mm
Weight,
kg
Price
FRN0.75AR1M-4E 380~480 (3ph) 0,75 2.5 + IP 21 25-120 110 150x465x262 10 285,00 €
FRN1.5AR1M-4E 380~480 (3ph) 1,5 4.1 + IP 21 25-120 110 150x465x262 10 330,00 €
FRN2.2AR1M-4E 380~480 (3ph) 2,2 5.5 + IP 21 25-120 110 150x465x262 10 370,00 €
FRN4.0AR1M-4E 380~480 (3ph) 4 9 + IP 21 25-120 110 150x465x262 10 451,00 €
FRN5.5AR1M-4E 380~480 (3ph) 5,5 13.5 + IP 21 25-120 110 150x465x262 10 524,00 €
FRN7.5AR1M-4E 380~480 (3ph) 7,5 18.5 + IP 21 25-120 110 150x465x262 10 647,00 €
FRN11AR1M-4E 380~480 (3ph) 11 24.5 + IP 21 25-120 110 203x585x262 18 750,00 €
FRN15AR1M-4E 380~480 (3ph) 15 32 + IP 21 25-120 110 203x585x262 18 902,00 €
FRN18.5AR1M-4E 380~480 (3ph) 18,5 39 + IP 21 25-120 110 203x585x262 18 1 074,00 €
FRN22AR1M-4E 380~480 (3ph) 22 45 + IP 21 25-120 110 203x585x262 18 1 280,00 €
FRN30AR1M-4E 380~480 (3ph) 30 60 + IP 21 25-120 110 203x645x262 23 1 487,00 €
FRN37AR1M-4E 380~480 (3ph) 37 75 + IP 21 25-120 110 203x645x262 23 1 829,00 €
FRN45AR1M-4E 380-480 (3ph) 45 91 + IP21 25-120 110 - - 2 227,00 €
FRN55AR1M-4E 380-480 (3ph) 55 112 + IP21 25-120 110 - - 2 663,00 €
FRN75AR1M-4E 380-480 (3ph) 75 150 + IP21 25-120 110 - - 3 141,00 €
FRN90AR1M-4E 380-480 (3ph) 90 176 + IP21 25-120 110 - - 3 588,00 €

Fuji Electric Frenic Hvac series with integrated EMC filter and built-in choke PTA (degree of protection IP55)
Model Voltage,
V
Capacity,
kW
Current,
A
V/f
mode
Enclosure
IPXX
Output frequency,
Hz
Overload capacity,
% per 1 min
Dimensions
(W x H x D), mm
Weight,
kg
Price
FRN0.75AR1L-4E 380~480 (3ph) 0,75 2.5 + IP 55 25-120 110 150x465x262 10 343,00 €
FRN1.5AR1L-4E 380~480 (3ph) 1,5 4.1 + IP 55 25-120 110 150x465x262 10 403,00 €
FRN2.2AR1L-4E 380~480 (3ph) 2,2 5.5 + IP 55 25-120 110 150x465x262 10 441,00 €
FRN4.0AR1L-4E 380~480 (3ph) 4 9 + IP 55 25-120 110 150x465x262 10 528,00 €
FRN5.5AR1L-4E 380~480 (3ph) 5,5 13.5 + IP 55 25-120 110 150x465x262 10 601,00 €
FRN7.5AR1L-4E 380~480 (3ph) 7,5 18.5 + IP 55 25-120 110 150x465x262 10 725,00 €
FRN11AR1L-4E 380~480 (3ph) 11 24.5 + IP 55 25-120 110 203x585x262 18 833,00 €
FRN15AR1L-4E 380~480 (3ph) 15 32 + IP 55 25-120 110 203x585x262 18 996,00 €
FRN18.5AR1L-4E 380~480 (3ph) 18,5 39 + IP 55 25-120 110 203x585x262 18 1 175,00 €
FRN22AR1L-4E 380~480 (3ph) 22 45 + IP 55 25-120 110 203x585x262 18 1 382,00 €
FRN30AR1L-4E 380~480 (3ph) 30 60 + IP 55 25-120 110 203x645x262 23 1 632,00 €
FRN37AR1L-4E 380~480 (3ph) 37 75 + IP 55 25-120 110 203x645x262 23 1 978,00 €

Fuji Electric Frenic Hvac series with integrated EMC filter and built-in choke PTA (degree of protection IP00)
Model Voltage,
V
Capacity,
kW
Current,
A
V/f
mode
Enclosure
IPXX
Output frequency,
Hz
Overload capacity,
% per 1 min
Dimensions
(W x H x D), mm
Weight,
kg
Price
FRN100AR1S-4E 380-480 (3ph) 110 210 + IP21 25-120 110 - - 4 183,00 €
FRN132AR1S-4E 380-480 (3ph) 132 253 + IP21 25-120 110 - - 5 015,00 €
FRN160AR1S-4E 380-480 (3ph) 160 304 + IP00 25-120 110 - - 6 232,00 €
FRN200AR1S-4E 380-480 (3ph) 200 377 + IP21 25-120 110 - - 8 104,00 €
FRN220AR1S-4E 380-480 (3ph) 220 415 + IP00 25-120 110 - - 9 104,00 €
FRN280AR1S-4E 380-480 (3ph) 280 520 + IP00 25-120 110 - - 11 083,00 €
FRN315AR1S-4E 380-480 (3ph) 315 585 + IP00 25-120 110 - - 12 481,00 €
FRN400AR1S-4E 380-480 (3ph) 400 740 + IP00 25-120 110 - - 16 394,00 €
FRN500AR1S-4E 380-480 (3ph) 500 960 + IP00 25-120 110 - - 18 491,00 €
FRN630AR1S-4E 380-480 (3ph) 630 1170 + IP00 25-120 110 - - 22 671,00 €
FRN710AR1S-4E 380-480 (3ph) 710 1370 + IP00 25-120 110 - - 25 247,00 €
Technical Information and Features

Large Contribution to Reducing Global Warming (Environmental Protection) with Energy Saving

50% of energy consumption in office buildings is related to air conditioning. The FRENIC HVAC series is the dedicated inverter for HVAC that features functions and performances offer the optimal thermal environment for the people working in the building by keeping the energy consumption in various devices (compressor, condenser water pump, AHU and others) to the minimum. Fuji Electric contributes largely to global environment by realizing carbon dioxide reduction with energy saving by the inverter.

Wide variation in Fuji Electric vfd FRENIC-HVAC model capacity

Model can be selected from two model types.
- Standard type (EMC filter built-in type) 0.75 to 710kW (Protective structure IP21 or IP55 can be selected with the model between 0.75 and 90kW.)
- DCR built-in + EMC filter built-in type 0.75 to 90kW (Protective structure IP21 or IP55 can be selected with the model between 0.75 and 90kW.)

Wide variation in Fuji Electric vfd FRENIC-HVAC model capacity

Optimal control with energy-saving function

- Linearization function
- Temperature difference constant control and pressure difference constant control
- Energy saving functions including wet-bulb temperature presumption control
- Automatic energy-saving operation

Slim body

The first slim body design among the Fuji Electric inverters. The size is the same between IP21 and IP55.

Functions suitable for Fuji Electric drive FRENIC-HVAC use

- 4PID control
- Fire mode (forced operation)
- Pick-up operation function
- Real time clock
- Torque vector control
- Filter clogging prevention function
- Customized logic
- User friendly, useful keypad 
- Password function

Optimum Control for Fuji Electric frequency inverter HVAC series Facilities

- Cooling tower fan
The cooling tower fan is used to cool the heat of cooling water by emitting it into the air. The fan speed is adjusted optimally according to the cooling water temperature at the outlet. Moreover, the inverter estimates the wet-bulb temperature automatically to control the fan so that the temperature of cooling water (wet bulb) is interlocked to the air temperature. (Wet-bulb temperature presumption control)

Cooling tower fan

- Chilled water pump
The chilled water pump circulates the chilled water generated with the freezing machine to the air conditioner and fan coil. The pump speed is adjusted optimally according to the header pressure. Moreover, the pump conveyance pressure can be controlled to proper value by converting the flow rate signal to the target pressure using the linearization function. (Linearization function)

Chilled water pump

- Cooling water pump
The cooling water pump circulates the cooling water to the cooling tower in order to cool the heat generated by the freezing machine. The pump speed is adjusted optimally according to the temperature and flow rate of cooling water. Moreover, the inverter can control the cooling pump so that the difference of cooling water temperature at between the inlet and outlet becomes always constant. (Temperature difference constant control)

Cooling water pump

- Supply fan / Return fan
The speed of supply and return fans is adjusted optimally according to the pressure, discharge temperature, room temperature, and others. Moreover, the highest level of carbon dioxide is selected automatically by detecting the level in room to control it to stay within the allowable level.

Supply fan / Return fan

Fuji Electric drive FRENIC-HVAC is user friendly and it has easy to see keypad

The regulator is indicated by enlarging the LCD.
Fuji Electric drive FRENIC-HVAC is user friendly and it has easy to see keypad

Multi-language supported: 19 languages + user customized language
Fuji Electric vfd FRENIC-HVAC series is multi-language supported

Real time clock (RTC) is provided as standard:
- Alarm information with date and time.
Alarm information for last ten times is stored and displayed with date and time.

Timer function:
- Possible to set the maximum four timers for a week.
- Possible to set flag holidays (20 days a year).
Fuji Electric vfd FRENIC-HVAC operation schedule can be set according to actual condition by using four timers

Unit conversion function between PV and SV values

Unit conversion allows you to easily set data.

- User-friendly, easy to see dedicated keypad
Multi-language supported, HELP function featured, unit setting with SV and PV values, data copy (three kinds), detachable and can be attached on the panel (using an optional cable) .

- Control board
USB port equipped. Max. three types of built-in optional boards can be mounted all together. Optional battery connection Various communications options

- Control terminal block
The detachable control terminal block is adopted. This allows the unit to be replaced easily without disconnecting cables.

- Capacitor board
Outputs the life prediction signal determining capacitor capacity drop and cumulative running hours. This allows the user to grasp replacement period.

- Cooling fan
Easy replacement just by simply removing and attaching the part. Life prolongation is possible by controlling ON and OFF.

- EMC filter
Drastically reduces noise. Provided to units of all capacities. Conforming to IEC61800-3.

- DCR
Drastically reduces harmonic noise. Conforming to IEC/EN61000-3-2 and IEC/EN61000-3-12. Provided as standard (to models up to 90kW), and can be attached externally as an option (to models from 110kW to 710kW).

- Others
Support/analysis software by loader, RTC backup by battery (option).
Fuji Electric frequency inverter FRENIC-HVAC support/analysis software by loader, RTC backup by battery

Functions Suitable for Fuji Electric drive FRENIC-HVAC Use

This function estimates the target pressure using the load flow rate, which allows the estimated terminal pressure to be controlled. For an air-conditioning heat source system, the needed quantity of the cooling or heating water fluctuates generally in seasons or days and nights. Therefore, operations continuing in a water conveyance pressure constant control may lead to high operating unnecessary pressures on terminals at low operating state. Thus, the pump consumes an ineffectual electric power for maintaining the high water conveyance pressure.Based on the calculated value and water conveyance pressure of estimated terminal pressure using the detected load flow rate, PID control is performed.It is possible to reduce the ineffectual pump power consumption and to achieve a great energy-saving effect together with maintaining comfortable current air conditioning.

Functions Suitable for Fuji Electric drive FRENIC-HVAC Use

Wet-bulb temperature presumption control

This function is optimal for controlling the fan of cooling tower. Since the wet-bulb temperature would become higher than the set temperature when the air temperature is particularly high, water temperature will not reach the set temperature. Therefore, the fan keeps rotating at high speed, failing in energy-saving operation. FRENIC-HVAC automatically estimates the wet-bulb temperature and controls the fan so that the cooling water is interlocked with the air temperature in order not to use unnecessary electric power.

Fuji Electric frequency inverter FRENIC-HVAC wet-bulb temperature presumption control

Filter clogging prevention function for Fuji Electric frequency inverter HVAC series

This function detects clogging of the fan filter with dust or other materials using the output current and pressure sensor value. When clogging is detected, the fan is rotated in reverse to eject dust, and then resumes rotation in forward to blow air. In addition, the function notifies you of maintenance necessity with the alarm signal.

Customized logic

The customized logic interface function is provided to the inverter body. This enables forming of logic circuit and arithmetic circuit to the digital and analog input and output signals, allowing simple relay sequence to be built while processing the signals freely.
Hitachi vfd FRENIC-HVAC customized logic example

Fuji Electric vfd HVAC series has Standard 4PID control

The 4PID control is featured as standard. One PID module is used to control the output frequency of the inverter, and the other three PIDs can be used to control the external system. To utilize all of four PIDs, the optional card (OPC-G1-AIO) needs to be mounted.

Fire mode (forced operation)

This mode ignores (retry) the inverter protection function to continue the operation. In that way, the inverter keeps operating the fan and pump as much as possible in case of emergency such as fire.

Password function for Fuji Electric frequency inverter HVAC series

Function codes can be read/write, displayed or hidden by setting the two passwords. This prevents erroneous operation or overwriting of function codes. In addition, if a wrong password was input exceeding the specified number of times, the inverter is restricted from operating as the user is regarded as improper.

Pick-up operation function

The pick-up operation function enables smooth starts. If you wish to run a fan currently not run by the inverter and in idle mode, this function searches the speed regardless of the direction of rotation and pick up the motion smoothly. This function allows for smooth operation such as when switching the power supply from the commercial power to inverter in a momentary action.