Hitachi RCU Series User Manual Download

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RCU Series
Regenerative Converter Unit
Instruction Manual

NOTE: REFER ALSO TO APPLICABLE

INVERTER INSTRUCTION MANUAL

Hitachi America, Ltd.

Manual Number: HAL1057C

May 2012

After reading this manual,

keep it handy for future

reference.

Call 1(800)985-6929 for Sales

hitachiacdrive.com

[email protected]

Call 1(800)985-6929 for Sales

hitachiacdrive.com

[email protected]

Summary of Contents for RCU Series

Page 1: ...E INVERTER INSTRUCTION MANUAL Hitachi America Ltd Manual Number HAL1057C May 2012 After reading this manual keep it handy for future reference Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com ...

Page 2: ...ctions throughout Added cooling clearance drawing Rev B June 2010 Significant updated information Rev C May 2012 Redesigned manual format Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com ...

Page 3: ...even if the power is disconnected from the RCU 5 User should install Fuse which can be blown fast between output terminals R S T and main power source of the RCU 6 Spare parts can be delivered only by Hitachi America Ltd 1 2 SAFETY INSTRUCTIONS 1 Do NOT make any connections when the RCU is connected to main voltage 2 Do NOT make any measurements when the RCU is connected to main voltage 3 After di...

Page 4: ... S T 2 Link the RCU output side terminals R S T to the exact order 3 Link the RCU output side terminals R S T between main input power and input AC reactor of inverter 4 Only a competent electrician should perform wiring and inspection This manual explains specifications installation operation features and maintenance of RCU This is a manual for users who have prior experience with RCU Please read...

Page 5: ...ranty Check the ambient conditions in the storage room before making the first trial run temperature 25ºC 60ºC relative humidity 5 95 condensation is not allowed Hitachi America Ltd will not be responsible for the damage caused by ambient conditions The period of the product warranty under normal installation and handling conditions is 12 months from the date of installation or 18 months from date...

Page 6: ...er ratings and dimensions 2 4 2 400V RCU output rating Id rated DC input current In rated AC output current 100sec per 400sec Ic continuous AC output current ask factory for detail Main Voltage 380V 460V 50 60Hz RCU Series RCU Model Rated power and Rated current Size Dimension W H D mm Weight kg P kW Id Aavg In Arms Ic Arms RCU4011 RCU4015 11 15 22 29 20 27 16 21 6 KE2 195 425 195 12 RCU4022 22 43...

Page 7: ...to ensure a safe installation make sure that the mounting surface is relatively flat Fixing is done with four or more screws or bolts depending on the size of the unit See Figure 2 5 1 2 5 3 2 5 1 KE2 class Model 400V RCU4011 RCU4015 Figure 2 5 1 KE2 Mounting dimension Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com Call 1 800 985 6929 for Sales hitachiacdrive com sales h...

Page 8: ...CU2011 200V RCU2015 200V RCU2022 Figure 2 5 2 KE3 Mounting dimension 2 5 3 KE4 Class Model 400V RCU4030 Figure 2 5 3 KE4 Mounting dimension Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com ...

Page 9: ...ver current occured Overvoltage DC Stops at 800 VDC Overload Stops after 100 for 100sec 150 for 30sec Current limitation Stops at 150 of rated current operating condition Overheat Protected by thermistor at overheat condition 95 Imbalance between phases In case that imbalance rate between three phases R S T exceeds 2 External Emergency Stop Signal Protected by external input signal Environmental C...

Page 10: ... dust and welding flame 4 Avoid mounting where excessive vibration exists 5 Defective main power may cause the RCU damages Using the same power source with welding machine Using a generator as the power source Sudden changes in the main voltage 6 Keep away from flammable materials 7 Install on nonflammable surfaces only Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com Call...

Page 11: ...ve each other the distance between the units must be b c and air from the outlet of the lower unit must be directed away from the inlet of the upper unit Size Dimension mm a a2 b c KE2 KE3 KE4 30 10 160 80 Table 3 2 Installation space dimension a2 distance from the RCU to other RCU Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com Call 1 800 985 6929 for Sales hitachiacdriv...

Page 12: ...screws to the relevant torque value and make sure that there are not loose terminals 5 The signal cables must be isolated from the power cables For an unavoidable case install perpendicular to each other as shown below 6 Link the RCU output side terminals R S T between main input power and input AC reactor or filter of the inverter Otherwise malfunction of the RCU or inverter could result Main Pow...

Page 13: ...60Hz Shield Multi function Analog Output 10 to 10V 2mA Output Current 17 18 0 4 20mA lout shield 1k 10kΩ 0 5W 1 2 3 4 5 6 10Vref COM 10Vref 10Vdc Vin1 lin2 lin1 Vin2 lin2 lin2 L2 L3 L1 V W U IM P N caution 1 caution 2 High Speed Fuse recommendation caution 2 Install Fuse between RCU output terminal R S T and power supply Refer to chapter 4 5 for wire and fuse specification RCU 23 RCU 21 INVERTER 9...

Page 14: ...4 25 Healthy A contact output Healthy B contact output DO2 B DO2 A DO2 C Contact output 1 b contact Contact output 1 a contact Contact output 1 common terminal A B contact common terminal AC 1A 250V DC 1A 30V Contact Output Figure 4 2 Control terminal specific Refer to figure 4 1 for basic connection The control cables should be at least 0 5mm2 shielded cables The maximum wire size fitting in the ...

Page 15: ...parallel wires are used please pay attention to avoid overloading Voltage Capacity kW I O cable mm 2 Ground cable mm 2 FUSE A P N 800Vdc R S T 500Vac 200V 11 8 4 45 15 10 5 60 22 16 8 90 400V 11 4 2 30 15 4 2 40 22 8 4 60 30 8 4 80 Table 4 2 Wire according to capacity and Fuse recommendation C A U T I O N S 1 Use copper wire rated for 600V 75ºC 2 Use only fast blow fuses Call 1 800 985 6929 for Sa...

Page 16: ...plied to inverter Check if RCU display on keypad behaves properly If the display is not good please check wiring with the inverter 3 Enter the DI 1 RUN and DI 2 Enable signal to RCU 4 When regenerative energy is generated by inverter driving mode RCU has a regenerative state If the magnitude of the regenerative current is not displayed or fault code Fxx is displayed check the operation status and ...

Page 17: ...are F 07 Over voltage Protection Threshold at approx 800 VDC F 21 Overheating Protection Protected by thermistor at overheat condition 95 F 22 Short Circuit Protection Detects over current and protects RCU by hardware F 25 External Emergency Input Signal Fault generated by external input signal F32 AC Supply Open The RCU detects no or under voltage at the AC line terminals F 35 Phase Imbalance Pro...

Page 18: ...aring No problem Voltage Source Voltage fluctuations and Voltage drop Inverter Input voltage measurement Within 10 of rated voltage Main Circuit Overall Point Insulated resistance Main Circuit Terminal to Ground Terminal 500V Mega use No problem Screw extracting Seeing Sign of overheating Seeing Terminal Block Damage Seeing No damage Smoothing Condenser Leaking Strain Seeing Hearing Relay Tremblin...

Page 19: ...Output 3phase output TESTER Voltmeter 3 phase output within variation allowed Control Circuit Operation Protection Circuit Random behavior No problem Connection Captive state Seeing Touching No problem KEYPAD Display Operation state Seeing Touching No problem Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdr...

Page 20: ...or Technical Support contact your Hitachi Distributor Or visit www hitachi america us inverters Hitachi America Ltd Manual Number HAL1057C May 2012 Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com Call 1 800 985 6929 for Sales hitachiacdrive com sales hitachiacdrive com ...

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