INVERTER FR-A700 INSTALLATION GUIDELINE FR-A720-00030 to 03460-NA FR-A740-00015 to 09620-NA FR-A720-00030 to 00330-N4 FR-A740-00015 to 00170-N4 FR-A760-00017 to 06630-NA Thank you for choosing this Mitsubishi Inverter. Please read through this Installation Guideline and a CD-ROM enclosed to operate this inverter correctly.
2. Fire Prevention This section is specifically about safety matters CAUTION Do not attempt to install, operate, maintain or inspect the inverter until you have read through this Installation Guideline and • Inverter must be installed on a nonflammable wall without holes appended documents carefully and can use the equipment (so that nobody touches the inverter heatsink on the rear side, correctly.
CAUTION CAUTION (2) Wiring • Do not install a power factor correction capacitor, surge • The electronic thermal relay function does not guarantee suppressor or capacitor type filter on the inverter output side. protection of the motor from overheating. It is recommended to These devices on the inverter output side may be overheated or install both an external thermal and PTC thermistor for burn out.
INSTALLATION OF THE INVERTER AND INSTRUCTIONS 1 INSTALLATION OF THE INVERTER AND INSTRUCTIONS • Inverter Model 00175 FR - A720 Symbol Voltage Class Symbol Type number Symbol Specifications Three-phase 200V class A720 U.S. Specifications 200V class 00030 to 03460 Displays the rated current Three-phase 400V class...
INSTALLATION OF THE INVERTER AND INSTRUCTIONS Installation of the inverter • Note - Some inverter models may be installed outside an enclosure. See Appendix 2 for details. Installation on the enclosure CAUTION FR-A720-00900 or less FR-A720-01150 or more • When encasing multiple inverters, install them in FR-A740-00440 or less FR-A740-00570 or more parallel as a cooling measure.
OUTLINE DIMENSION DRAWING 2 OUTLINE DIMENSION DRAWING FR-A720-00030 to 03460-NA FR-A740-00015 to 02600-NA FR-A720-00030 to 00330-N4 FR-A740-00015 to FR-A740-03250 to 06830-NA FR-A740-07700 to 09620-NA 00170-N4 FR-A760-02020 to 04020-NA FR-A760-04960, 06630-NA FR-A760-00017 to 01520-NA (Unit:mm(inches)) • 200V class Inverter Model FR-A720-00030-NA 110 (4.33) 110 (4.33) 95 (3.74)
Terminal connection diagram (FR-A720/740) 3 WIRING 3.1 Terminal connection diagram (FR-A720/740) Sink logic *1. DC reactor (FR-HEL) *7. A CN8 connector (for MT-BU5) is provided with Brake unit Be sure to connect the DC reactor the FR-A720-02880 (FR-A740-01440) or more. Main circuit terminal (Option) supplied with the FR-A720-02880 (FR-...
WIRING 3.2 Terminal connection diagram (FR-A760) Sink logic *1. DC reactor Brake unit *7. Brake resistor (Accessories) Be sure to connect the DC reactor (Option) Main circuit terminal The brake resistor is provided with the FR- supplied with the FR-A760-01040 or more. A760-00017 to 00061.
WIRING 3.3 Connection of provided brake resistor (FR-A760 only) Connecting the brake resistor enclosed with the unit to the FR-A760-00017 to 00061 will improve regeneration capability. (1) Installation procedure Connect the brake resistor to the inverter with provided screws. REMARKS Connecting the brake resistor changes the protective structure to OPEN type (NEMA1).
WIRING 2)Attach protective bushes provided to the wiring cover and cut with nippers or a cutter before running the cables. Connect the wire with red sleeve to PR terminal. Connect the wire with transparent sleeve to P/+. (Red sleeve) Protective bushes To PR terminal.
WIRING FR-A760-00550-NA FR-A760-00840-NA R1/L11 S1/L21 R1/L11 S1/L21 Screw size(M4) Screw size (M4) Charge lamp Charge lamp Jumper Jumper Screw size (M8) Screw size(M8) R/L1 S/L2 T/L3 Jumper * Screw size (M8) R/L1 S/L2 T/L3 Jumper Power Motor supply Screw size(M8) * When using the inverter with LD or SLD set, remove a jumper Power Motor...
WIRING FR-A760-03040 to 06630-NA R1/L11 S1/L21 Screw size (M4) Charge lamp Jumper Screw size (M12) R/L1 S/L2 T/L3 N/- Power supply Motor DC reactor Screw size (M10) CAUTION · The power supply cables must be connected to R/L1, S/L2, T/L3. (Phase sequence needs not to be matched.) Never connect the power cable to the U, V, W of the inverter.
WIRING (2) Applicable cable size Select the recommended cable size to ensure that a voltage drop will be 2% max. If the wiring distance is long between the inverter and motor, a main circuit cable voltage drop will cause the motor torque to decrease especially at the output of a low frequency.
WIRING 400V class (when input power supply is 440V) Cable Sizes Crimping Terminal Tightening Terminal AWG/MCM HIV, etc. (mm PVC, etc. (mm Applicable Inverter Screw Torque Model R/L1, R/L1, Earth R/L1, R/L1, Earth Size N·m U, V, W U, V, W P/+, P1 U, V, W U, V, W S/L2,...
WIRING 600V class (when input power supply is 575V) Cable Sizes Crimping Terminal Terminal Tightening HIV, etc. (mm Applicable Screw Torque Earth Earth Earth Inverter Model R/L1, R/L1, R/L1, Size N·m U, V, W (Ground) U, V, W (Ground) U, V, W (Ground) S/L2, P/+, P1...
WIRING (3) Total wiring length (FR-A720/A740) The overall wiring length for connection of a single motor or multiple motors should be within the value in the table below. (The wiring length should be 100m (328.08feet) maximum for vector control.) Pr. 72 PWM frequency selection setting FR-A720-00030 FR-A720-00050 FR-A720-00080 or more...
WIRING (4) Total wiring length (FR-A760) The overall wiring length for connection of a single motor or multiple motors should be within the value in the table below. (The wiring length should be 100m (328.08feet) maximum for vector control.) · When fast response current limit is enabled, the wiring length should be within the value in the table below (*Pr.
WIRING 3.5 Control circuit terminals (1) Terminal layout Terminal screw size: M3.5 Tightening torque: 1.2N·m C2 10E 10 STOP (2) Instructions for wiring of the control circuit terminal Terminals 5, SD and SE are common to the I/O signals and isolated from each other. Do not earth (ground). Avoid connecting the terminal SD and 5 and the terminal SE and 5.
INVERTER 4 PRECAUTIONS FOR USE OF THE INVERTER The FR-A700 series is a highly reliable product, but incorrect peripheral circuit making or operation/handling method may shorten the product life or damage the product. Before starting operation, always recheck the following items.
PRECAUTIONS FOR USE OF THE INVERTER (13) Provide electrical and mechanical interlocks for MC1 and MC2 which are used for bypass operation. Interlock When the wiring is incorrect and if there is a bypass Power supply R/L1 operation circuit as shown right, the inverter will be S/L2 damaged when the power supply is connected to the inverter U, V, W terminals, due to arcs generated at the...
FAILSAFE OF THE SYSTEM WHICH USES THE INVERTER 5 FAILSAFE OF THE SYSTEM WHICH USES THE INVERTER When a fault occurs, the inverter trips to output a fault signal. However, a fault output signal may not be output at an inverter fault occurrence when the detection circuit or output circuit fails, etc.
PARAMETER LIST 6 PARAMETER LIST 6.1 Parameter list For simple variable-speed operation of the inverter, the initial setting of the parameters may be used as they are. Set the necessary parameters to meet the load and operational specifications. Parameter setting, change and check can be made from the operation panel (FR-DU07).
PARAMETER LIST Setting Initial Setting Initial Parameter Name Parameter Name Range Value Range Value Ω Energy saving control 0 to 50 0, 4 selection (0 to 1000mH), 9999/ 9999 Motor constant (L1) 0 to 3600mΩ 0 to 500A, (0 to 400mH), 9999 9999/ 9999 Reference current...
PARAMETER LIST Setting Initial Setting Initial Parameter Name Parameter Name Range Value Range Value 0 to 400Hz, Automatic restart after PID control automatic 9999 0, 1, 2, 10, 11, switchover frequency 9999 instantaneous power failure selection 10, 11, 20, 21, 50, 51, 60, 61, First cushion time for restart 0 to 20s...
PARAMETER LIST Setting Initial Setting Initial Parameter Name Parameter Name Range Value Range Value 0 to 8, 10 to Power failure stop selection 0, 1, 2, 11, 12 RUN terminal function 20, 25 to 28, selection Subtracted frequency at 30 to 36, 39, 0 to 20Hz deceleration start 41 to 47, 64,...
PARAMETER LIST Setting Initial Setting Initial Parameter Name Parameter Name Range Value Range Value RS-485 communication stop Orientation speed gain (D 0, 1, 10, 11 0 to 100 bit length term) RS-485 communication Orientation deceleration 0, 1, 2 0 to 1000 parity check selection ratio RS-485 communication retry...
PARAMETER LIST Setting Initial Setting Initial Parameter Name Parameter Name Range Value Range Value Ω Fifteenth position feed amount 0 to 50 0 to 9999 lower 4 digits (0 to 1000mH), 9999/ 9999 Second motor constant (L2) 0 to 3600mΩ Fifteenth position feed amount 0 to 9999 (0 to 400mH), 9999...
PARAMETER LIST Setting Initial Setting Initial Parameter Name Parameter Name Range Value Range Value Second motor online auto Torque control integral time 0 to 500ms, 9999 0, 1 tuning 9999 Output interruption 0 to 3600s, 9999 Torque setting filter 2 0 to 5s, 9999 detection time 9999...
PARAMETER LIST Setting Initial Setting Initial Parameter Name Parameter Name Range Value Range Value Regeneration avoidance at Terminal 4 gain (torque/ 0 to 300% 100% (933) magnetic flux) deceleration detection 0 to 5 sensitivity Parameter copy alarm 10/100 10/100 release Regeneration avoidance 0 to 10Hz, compensation frequency...
TROUBLESHOOTING 7 TROUBLESHOOTING When a fault occurs in the inverter, the inverter trips stop and the PU display automatically changes to any of the following fault or alarm indications. If the fault does not correspond to any of the following faults or if you have any other problem, please contact your sales representative.
TROUBLESHOOTING 7.2 List of fault or alarm display Operation Panel Operation Panel Name Name Indication Indication Output side earth (ground) fault E - - - Faults history E.GF overcurrent HOLD Operation panel lock E.LF Output phase loss E.OHT External thermal relay operation Er1 to 4 Parameter write error E.PTC*...
EMC Directive and the Low Voltage Directive, the manufacturer must declare the conformity and affix the CE marking. The authorized representative in the EU The authorized representative in the EU is shown below. Name: Mitsubishi Electric Europe BV Address: Gothaer strase 8, 40880 Ratingen, Germany Note We declare that this inverter conforms with the EMC Directive in industrial environments and affix the CE marking on the inverter.
(2) Low Voltage Directive We have self-confirmed our inverters as products compliant to the Low Voltage Directive (Conforming standard EN 50178) and affix the CE marking on the inverters. Outline of instructions * Do not use an earth leakage current breaker as an electric shock protector without connecting the equipment to the earth. Connect the equipment to the earth securely.
For open type, design an enclosure so that the inverter surrounding air temperature, humidity and atmosphere satisfy the specifications. (Refer to page 2.) The following UL / cUL Listed FR-A700 Series Inverters employ a UL Type 1 Enclosure - Suitable for Installation in a Compartment Handling Conditioned Air (Plenum): Models FR-A720-00030, -00050, -00080, -00110, -00175, -00240, -00330, followed by -N4 suffix.
Provide the appropriate UL and cUL listed Class T or Class L type fuse that is suitable for branch circuit protection in accordance with the table below. Note, the Class L fuses can be used if the applicable current rating is larger than 600A. FR-A760- 00017 00040 00061 00120 00220 00330 00550 00840 01040 01310 01520 02210 02550 03040 04020 04960 06630 Rated fuse voltage(V)
(5) Motor overload protection (FR-A720/740) This inverter is certified as a motor overload protection device by UL. When using the electronic thermal relay function as motor overload protection, set the rated motor current to Pr. 9 Electronic thermal O/L relay. Electronic thermal relay function operation characteristic Pr.
(6) Motor overload protection (FR-A760) This inverter is certified as a motor overload protection device by UL. When using the electronic thermal relay function as motor overload protection, set the rated motor current to Pr. 9 Electronic thermal O/L relay. Electronic thermal relay function operation characteristic Pr.
REVISIONS *The manual number is given on the bottom left of the back cover. Print Date Revision Manual Number Sep. 2005 IB-0600254ENG-A First edition Oct. 2006 IB-0600254ENG-B Additions FR-A720-00030 to 00330-N4 FR-A740-00015 to 00170-N4 Feb. 2007 IB-0600254ENG-C Additions Breaker selection when using the inverter as UL or cUL listed product FR-A760-00017 to 00840-NA Apr.
Step 3. Open "INDEX.PDF" in the opened folder. Step 4. "FR-A700 series documentation" PDF opens. Operates according to the steps from "Step 3" of "How to read instruction manuals" • PDF data of the instruction manual are stored in "MANUAL" folder on this CD-ROM.