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Hitachi America, Ltd. 

 

 

RCU Series 
Regenerative Converter Unit 
Instruction Manual 
 

NOTE: REFER ALSO TO APPLICABLE 

INVERTER INSTRUCTION MANUAL 

 

 

Hitachi America, Ltd. 

Manual Number: HAL1057A 

May 2010 

After reading this manual, 

keep it handy for future 

reference. 

 

 

 

 

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]

Summary of Contents for RCU- 2011

Page 1: ...truction Manual NOTE REFER ALSO TO APPLICABLE INVERTER INSTRUCTION MANUAL Hitachi America Ltd Manual Number HAL1057A May 2010 After reading this manual keep it handy for future reference Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Page 2: ...M 6 POWER AND CONTROL CONNECTIONS 7 CONTROL TERMINAL FUNCTIONS 8 POWER WIRING 9 DISPLAY 9 OUTPUT CURRENT AND LINE VOLTAGE WAVEFORMS 10 ELECTRICAL SPECIFICATIONS 10 DIMENSIONS 11 The contents of this manual are subject to change without notice May 2010 Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Page 3: ...Revision History Rev A May 2010 Miscellaneous corrections throughout Added cooling clearance drawing Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Page 4: ...L1 S L2 T L3 and the inverter s DC Link P N 3 The voltage on the RCU components is extremely dangerous and may cause death or severe injury if you come in contact with it 4 The control I O terminals are isolated from the main voltage but the relay outputs and other I O terminals may have dangerous voltage connected even if the power is disconnected from the RCU Regenerative Converter 5 The install...

Page 5: ...nd tests on any parts of the Regenerative Converter Damage to the unit may result 6 DO NOT touch the integrated circuits or other components on the internal circuit boards Static voltage discharge may destroy the components 7 Make sure that the cover of RCU Regenerative Converter is closed before connecting the main voltage Ground Warning Symbols The ground terminal of Regenerative Converter must ...

Page 6: ...egenerative Converter can provide up to 40 energy savings by reclaiming that regenerative energy and feeding it back into the AC supply 3 Benefits The RCU Regenerative Converter reduces electric power consumption by returning the otherwise wasted energy to the AC power distribution network for use by other loads Because there is no heat generated by braking resistors the capacity of air conditioni...

Page 7: ...5 Power and Control Connections RCU Series Shielded Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Page 8: ...pered together regenerative operation automatically starts when the inverter s DC bus voltage is above the RCU operating voltage These jumper wires are factory pre installed for your convenience Output Signals Fault Relay This relay is activated when fault trip has occurred 21 A Regenerative Converter error A contact NO 22 B Regenerative Converter error B contact NC 23 COM Regenerative Converter e...

Page 9: ...3 phase main power Phase sequence Automatic recognition FG Earth 7 Display rdy Ready Regenerative Converter is ready 000 0 Current value during regeneration 000 0A F00 Fault Code Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Page 10: ...Hz Efficiency Over 95 Operating Voltage DC LINK Automatically set by input voltage Display and Protection Display ready regenerative current fault codes Protection Overheat Over current Arm short Over Voltage Low voltage and Phase Error etc Filter Built in reactor and noise filter Wiring Input R S T DC Bus P N Ground Environmental Conditions Operation 10 C to 40 C Storage 20 C to 65 C 90 relative ...

Page 11: ...10 Dimensions 11 kW and 15 kW Models Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Page 12: ...Dimensions cont d 22 kW and 30 kW Models Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Page 13: ...ounting clearances shown below to allow adequate air flow for cooling of the units b a a c Distance mm a a2 b c 30 10 160 80 a2 is the distance between adjacent RCUs Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

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