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SIERRA 25 - 230-277
User Manual
THE NEW GENERATION OF POWER CONVERTERS
•
DUAL AC AND DC OUTPUT CONVERTER
Commercial Power as default source
•
AC AND DC BACKUP IN A DC ENVIRONMENT
Leverage your existing DC infrastructure
•
ONE STOP SHOP
Wide output power range
•
HARSHEST AC INPUT CONDITIONS
Without compromising the quality of the AC output
CONVERTERS
Sierra 25 - 48/230-277
Sierra 25 - 110/230-277
Sierra 25 - 380/230-277
Copyright ©2024. Construction electroniques & telecommunications S.A.
All rights reserved. The contents in document are subject to change without notice.
The products presented are protected by several international patents and trademarks.
Address: CE+T S.a, Rue du Charbonnage 12, B 4020 Wandre, Belgium
www.cet-power.com - info@cet-power.com
Contact us: www.cet-power.com
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Version 2.2
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Table of Contents
Related Manuals for CE+T Power Sierra 25 - 48/230-277
Summary of Contents for CE+T Power Sierra 25 - 48/230-277
- Page 1 • HARSHEST AC INPUT CONDITIONS Without compromising the quality of the AC output CONVERTERS Sierra 25 - 48/230-277 Sierra 25 - 110/230-277 Sierra 25 - 380/230-277 Copyright ©2024. Construction electroniques & telecommunications S.A. All rights reserved. The contents in document are subject to change without notice.
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Page 2: Table Of Contents
Table of Contents 1. CE+T Power at a glance ......................... 2. Abbreviations ............................3. Warranty and Safety Conditions ......................Disclaimer ........................... Technical care ..........................Installation ..........................3.3.1 Handling ......................... 3.3.2 Surge and Transients ...................... 3.3.3 Other ..........................Maintenance ..........................Replacement and Dismantling ..................... - Page 3 9.2.9 Remote ON/OFF......................9.2.10 Internal BUS A and B ...................... 9.2.11 Shelf rear cover ......................10. Installation of Cabinet ..........................10.1 Unpacking the system ......................... 10.2 Module packing ........................... 10.3 Removing the cabinet rear protection ..................10.4 Hardware Connections ........................ 10.5 Electrical Installation ........................
- Page 4 17.2 Manual check ..........................17.3 Optional ............................17.4 Manual By-Pass ......................... 18. Service ..............................19. Appendix..............................19.1 Mains connection, Single phase ....................19.2 Mains connection, Three phases ....................19.3 Sierra 25 - Dimensions ........................ 19.3.1 Module ........................... 19.3.2 Shelf ..........................19.4 Modules - Parameter List ......................
- Page 5 Release Note: Release date Version Modified page number Modifications (DD/MM/YYYY) 23/10/2019 First release of the Manual. 15,16,34 to 41 Updated Inview S information. 12/05/2022 Added a note for module replacement. 17/07/2023 Added 110 and 380 Vdc details. 26 & 33 Added RCD Recommendation.
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Page 6: Ce+T Power At A Glance
CE+T Power at a glance 1. CE+T Power at a glance CE+T Power is your trusted partner in advanced power solutions engineered to meet the demands of modern and dynamic industrial applications. With over 60 years of experience in power conversion technology, CE+T Power nurtures the industry with innovative solutions designed for critical power backup and energy management. -
Page 7: Abbreviations
Abbreviations 2. Abbreviations Alternating current Circuit Breaker Direct current DHCP Dynamic Host Configuration Protocol Digital Signal Processor Enhanced Conversion Innovation EMBS External Maintenance Bypass Switch Enhanced Power Conversion Electro Static Discharge Ethernet Ground / Grounding HTTP HyperText Transfer Protocol HTTPS Secure HyperText Transfer Protocol Local Access Network Measure Box Battery... -
Page 8: Warranty And Safety Conditions
Warranty and Safety Conditions 3. Warranty and Safety Conditions WARNING: The electronics in the power supply system are designed for an indoor, clean environment. When installed in a dusty and/or corrosive environment, indoor, it is important to: • Install an appropriate filter on the enclosure door, or on the room’s air conditioning system. •... -
Page 9: Installation
Warranty and Safety Conditions 3.3 Installation • This product is intended to be installed only in restricted access areas as defined by local regulations and in accordance with the National Electric Code, ANSI/NFPA 70, or equivalent agencies. • The Converter System may contain output over current protection in the form of circuit breakers. In addition to these circuit breakers, the user must observe the recommended upstream and downstream circuit breaker requirements as defined in this manual. -
Page 10: Surge And Transients
Warranty and Safety Conditions 3.3.2 Surge and Transients The mains (AC) supply of the modular converter system shall be fitted with Lightning surge suppression and Transient voltage surge suppression suitable for the application at hand. Manufacturer’s recommendations of installation shall be adhered to. -
Page 11: Eci Technology
ECI Technology 4. ECI Technology A Sierra module is a triple port converter built with ECI technology. This module delivers pure sinusoidal output and ripple free DC output from AC mains or battery. The below block diagram gives an explicit description of the topology and its operation. ECI technology has AC to DC, DC to AC, and DC to DC converters to provide constant and disturbance-free output power regardless of the input source. -
Page 12: Ac-Ac Mode
ECI Technology 4.1 AC-AC mode In AC-AC mode, the AC Mains is the primary source and DC source works as a backup. When AC mains is present, the Sierra module takes energy from the AC source and feed to: • AC Load via a double conversation to provide a pure sine wave. •... -
Page 13: Building Blocks
• Module fan is field replaceable. • 435 mm (D) x 103 mm (W) x 88 mm (H). • 5 Kg. 5.1.1 Specifications Model Sierra 25 - 48/230-277 Sierra 25 - 110/230-277 Sierra 25 - 380/230-277 T721D50201 / T721D70201 /... - Page 14 Building Blocks Model Sierra 25 - 48/230-277 Sierra 25 - 110/230-277 Sierra 25 - 380/230-277 Altitude above sea without < 1500 m / derating > 1500 m – 0.8 % per 100 m / max 4000 m de-rating of power...
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Page 15: Converter - Led Indications
Building Blocks Model Sierra 25 - 48/230-277 Sierra 25 - 110/230-277 Sierra 25 - 380/230-277 Maximum power 2.4 kW 2.5 kW 2.5 kW Available DC Load 300 W 200 W 200 W at AC full load Maximum current at nominal 50 A 24.3 A... -
Page 16: Sub-Rack
Building Blocks Output Power (redundancy not counted) 5% to 40 to 80 to 100% = <5% 100% Output Power (redundancy not counted) overload × × × × × Status output power LED × Behaviour (B = Blinking, P = Permanent ) 5.2 Sub-rack •... -
Page 17: Monitoring Device - Inview S, X And Gw
Monitoring device - Inview S, X and GW 6. Monitoring device - Inview S, X and GW Sierra 25 modules can be monitored through Inview S, X or Inview GW. For more details about these monitoring devices and the hardware connections, refer to the Inview and Inview GW user manuals. Inview S and X - https://datasheet.cet-power.com/CET - Monitoring - User Manual - Inview - EN.pdf Inview GW -... -
Page 18: Accessories
Accessories 7. Accessories 7.1 Cabinet Powder coated (RAL 7035), 19 inch Eldon cabinet with 600 x 600 mm foot print. Cabinet designed for top cabling or bottom cabling. • 1100 mm (600 x 600 mm) • 1800 mm (600 x 600 mm) •... -
Page 19: Mccb
Accessories If an alarm is required for AC output breakers, a help contact attached to each individual breaker is used (OF or SD). The alarm function is common and uses one of the digital inputs on the control unit. The help contact limits the breakers quantity. -
Page 20: System Design
System Design 8. System Design 8.1 A la Carte The A la Carte is pre-assembled and configured as a single phase or three phase system. The system comprises cabinet, converter sub rack, converter modules (48, 110 & 380 Vdc), manual by-pass, monitor device and output distributions. -
Page 21: Installation Of Sierra 25 Shelf
Installation of Sierra 25 Shelf 9. Installation of Sierra 25 Shelf • Read safety instructions prior starting any work. • Do not attempt to use lifting eyes to erect the cabinet. • System is preferable handled without modules. • Pay attention to the module position, make sure that modules are repositioned in the same slot. •... -
Page 22: Electrical Installation For Sierra 25 Shelf
Installation of Sierra 25 Shelf Fix cage nuts (4) in the mounting frame. Slide the shelf in position and fix the shelf with the supplied screws (3). Finished. 9.2 Electrical installation for Sierra 25 shelf 9.2.1 Pre requisites • The sub-rack have markings for all terminations. •... -
Page 23: Sierra 25 - 230-277 Vac Single-Phase Shelf - Terminations
DC 4 + DC 3 - DC 2 + DC 1 - Signalling PE Chassis Ground Sierra 25 - 48/230-277 - Shelf Rear Details AC IN (L) AC Out (PE) Main Earth Terminal AC Out (L) AC IN (PE) AC Out (N) -
Page 24: Sierra 25 - 230-277 Vac Three-Phase Shelf - Terminations
DC 3 + DC 2 - DC 1 + BUS B & A To Inview PE Chassis Ground S, X or GW Sierra 25 - 48/230-277 - Three-Shelf Rear Details – Sierra 25 - 230-277 – User Manual – v2.2... -
Page 25: Grounding
Operation in the IT network may conduct to a high leakage current that needs to be monitored and controlled. 9.2.5 DC Connection Model Cable, min Connector Torque 63 A Sierra 25 - 48/230-277 2 x 16 mm 5 Nm per module 32 A Sierra 25 - 110/230-277 2 x 6 mm 5 Nm... -
Page 26: Ac Output Connection
3 x 16 mm 5 Nm Sierra 25 - 380/230-277 9.2.8 Signalling 9.2.8.1 Sierra 25 - 48/230-277 Sierra 25 - 48/230-277 Shelf - Rear side To Inview S, X or GW (CE+T COM port) BUS A Remote ON /OFF BUS B 9.2.8.2 Sierra 25 - 110/230-277 and Sierra 25 - 380/230-277... -
Page 27: Remote On/Off
Installation of Sierra 25 Shelf 9.2.9 Remote ON/OFF The function of remote ON/OFF is used turn off the module/system output. By default a jumper is placed between pin 3 and 2. If remote on/off is used, jumper should be removed from the shelf and connect changeover contactor. -
Page 28: Installation Of Cabinet
Installation of Cabinet 10. Installation of Cabinet 10.1 Unpacking the system CE+T cabinets are always fixed on a pallet, and then packed in a wooden crate. These crates are usually delivered laying flat, horizontally. To unpack your cabinet, we recommend the following method: 1. -
Page 29: Removing The Cabinet Rear Protection
Installation of Cabinet 10.3 Removing the cabinet rear protection Wooden wedges are fixed at the back of the cabinet to prevent parts from moving and sustaining damage during transportation. These wooden wedges must be removed before going further with the cabinet’s installation and commissioning. -
Page 30: Positioning
Installation of Cabinet 10.5.1 Positioning Cable entries Alarm, Digital IN, Input & output breakers Remote ON/OFF at back AC Input (X2) AC Output (X4) Inview S or X Manual By Pass Sierra Converter DC (X1) with fuse / LVD at back Note: The image is for general reference. -
Page 31: Cabling
Installation of Cabinet 10.5.2 Cabling All the cable routings are made through top or bottom of the system. The top cover can be split into two parts to facilitate cabling. The top cover accommodates nylon tie straps used to strap the cables. Note: Do not block the airflow at top of the cabinet. -
Page 32: Ac Input (X2) And Output (X4)
Installation of Cabinet 10.5.5 AC Input (X2) and Output (X4) WARNING !!! Recommendation of IEC 60364 4. 43 431.3 Disconnection and reconnection of the neutral conductor in multi-phase systems Where disconnection of the neutral conductor is required, disconnection and reconnection shall be such that the neutral conductor shall not be disconnected before the line conductors and shall be reconnected at the same time as or before the line conductors. -
Page 33: Dc (X1)
Installation of Cabinet 10.5.6 DC (X1) • Common DC input per system. • M12 holes in bar. • Max 8 x 240 mm per pole (group). Note: Screws and nuts are not included in the delivery. 10.5.7 Connection table – DC 48 Vdc (X1) Power (kVA) Fuse/CB Min Cable mm... -
Page 34: Connection Table - Dc 380 Vdc (X1)
Installation of Cabinet 10.5.9 Connection table – DC 380 Vdc (X1) Power (kVA) Fuse/CB Min Cable mm 50 A 100 A 160 A 200 A 250 A 300 A 300 A 355 A 355 A 10.5.10 Connection table – AC Input (X2) & Output (X4) The AC input supply breaker shall be 2p for single phase, and minimum 3p for three phase. -
Page 35: Signalling
Installation of Cabinet 10.5.11 Signalling The illustration below shows the X3 relays contacts in a non-alarm state when the system is operational. In this case, the relays are energized and as below. From MBB From Module Shelf (Measure Box Battery) From Inview S Major Minor... - Page 36 Installation of Cabinet Functional table for remote ON/OFF function Pin 1-3 Pin 2-3 Status Indication Open Open Normal operation All (Green) AC output (OFF) Closed Open AC Input (Green) DC Input (Green) Open Closed Normal operation All (Green) Closed Closed Normal operation All (Green) Warning: If remote ON/OFF not used, pin 2 and 3 MUST be bridged together!
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Page 37: Inserting/Removing/Replacing - Modules
Inserting/removing/replacing - modules 11. Inserting/removing/replacing - modules 11.1 Sierra Converter • The Sierra converter is hot swappable. • When a new module is inserted in a live system it automatically takes the working set of parameters. • When a new module is inserted in a live system it is automatically assigned to the next available address. Caution: After removing a module from a slot in a live system, wait at least 60 seconds before inserting it into another slot;... -
Page 38: Fan Replacement
Inserting/removing/replacing - modules 11.2 Fan replacement The FAN life is approximately 60,000 (Sixty Thousand) hours. The converter modules have fan runtime meters and fan failure alarms. Fan failure can result from a failing fan or driver circuit. 1. Let the module rest at least 5 minutes before initiating work. 2. -
Page 39: Ac Output Distribution
AC Output Distribution 12. AC Output Distribution 12.1 Miniature Circuit breaker Installation/Removal Circuit breakers are normally factory installed. How to add breakers: 1. Insert the short connection cable (10 mm (included)) in the breaker Line-side and tighten. - Up to 40 A breaker - use one connection cable. - 63 A breaker - use two connection cables. -
Page 40: Manual By-Pass (Optional)
Manual By-Pass (Optional) 13. Manual By-Pass (Optional) Manual By-Pass has to be operated by trained people only. When system is in manual by-pass the load is subjected to mains voltage without active filtering. Output alarm is activated when system is in manual by-pass. The Manual By-Pass cannot be operated remotely. -
Page 41: Manual Bypass Operation
Manual By-Pass (Optional) • MBP - Three independent switch ƒ Connect auxiliary wire from MBP switch (S1) to Digital Input 01 of controller. So that the controller gets information when MBP is engaged. The Digital Input Mode must be configured through the Inview web interface. -
Page 42: Mbp - Single Rotary Switch
Manual By-Pass (Optional) 13.3.1 MBP - Single rotary switch In this model, manual bypass operates in single switch and it has three positions - Normal, Interim and Bypass. 13.3.1.1 Normal to Bypass 1. Rotate the MBP Switch (S1) from NORMAL to BYPASS. (Note: Do not stop at INTERIM position) 2. - Page 43 Manual By-Pass (Optional) 13.3.2.1 Normal to By-Pass 1. Close the By-Pass switch S1, 0 to 1 2. Open the AC Out switch S2, 1 to 0 3. Open the AC IN switch S3, 1 to 0 4. Switch OFF the DC power and/or disconnect batteries 13.3.2.2 By-Pass to Normal 1.
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Page 44: Finishing
Finishing 14. Finishing • Make sure that the sub-rack/cabinet is properly fixed to the cabinet/floor. • Make sure that the sub-rack/cabinet is connected to Ground. • Make sure that all DC and AC input breakers are switched OFF. • Make sure that all cables are according to recommendations and local regulations. •... -
Page 45: Commissioning
Commissioning 15. Commissioning The DC breaker is a protection device. Modules are plugged in a system and DC breaker is then engaged. Please make sure the corresponding DC breaker is engaged in the ON position. Failure to observe this rules will result not to have all module operating when running on DC and have module failure when AC input recover from fault condition. -
Page 46: Check List
Commissioning 15.1 Check list DATA Date Performed by Site System serial number Module serial numbers Inview Serial number ACTION OK/ N.OK Unplug all converters except one converter per phase. (Just pull off the converter from the shelf, to interrupt electrical contacts) Check the commercial AC before closing the AC input breaker. -
Page 47: Trouble Shooting And Defective Situations Fixing
Trouble Shooting and Defective Situations Fixing 16. Trouble Shooting and Defective Situations Fixing 16.1 Trouble Shooting Converter module does not power up: Check AC input present and in range (AC breakers) Check DC input present and in range (DC breakers) Check that the converter is properly inserted Remove converter to verify that slot is not damaged, check connectors Check that module(s) is (are) in OFF state... -
Page 48: Defective Modules
• The RMA number should be mentioned on all shipping documents related to the repair. • Be aware that products shipped back to CE+T Power without being registered first will not be treated with high priority! (Label shown here is only for representation) -
Page 49: Maintenance
Maintenance 17. Maintenance Maintenance should be performed by properly trained people. 17.1 Access Inview with Laptop • Download system LOG FILE and save - Analyze log file and correct errors • Download system CONFIGURATION FILE and save - Check/correct configuration file according to operation conditions - Check/correct alarm configuration •... -
Page 50: Service
Service 18. Service For Service • Check Service Level Agreement (SLA) of your vendor. Most of the time they provide assistance on call with integrated service. If such SLA is in place, you must call their assistance first. • If your vendor doesn’t provide such assistance (*) you may contact CE+T through email: ƒ... -
Page 51: Appendix
Appendix 19. Appendix 19.1 Mains connection, Single phase TN - S (400/230VAC) TN - C - S (400/230VAC) TN - C (400/230VAC) TT (400/230VAC) – Sierra 25 - 230-277 – User Manual – v2.2... -
Page 52: Mains Connection, Three Phases
Appendix 19.2 Mains connection, Three phases TN - S (400/230VAC) TN - C - S (400/230VAC) TN - C (400/230VAC) TT (400/230VAC) – Sierra 25 - 230-277 – User Manual – v2.2... -
Page 53: Sierra 25 - Dimensions
Appendix 19.3 Sierra 25 - Dimensions 19.3.1 Module 452.80 102.50 LEFT VIEW FRONT VIEW 19.3.2 Shelf 482.30 514.7 FRONT VIEW LEFT VIEW 524.4 RIGHT VIEW ALL DIMENSIONS ARE IN mm TOP VIEW – Sierra 25 - 230-277 – User Manual – v2.2... -
Page 54: Modules - Parameter List
Appendix 19.4 Modules - Parameter List With Inview, you can access the modules’ parameter list and descriptions. Refer to the Inview and Inview GW user manuals to access the Inview web interface. Inview S and X - https://datasheet.cet-power.com/CET - Monitoring - User Manual - Inview - EN.pdf Inview GW - https://datasheet.cet-power.com/CET - Monitoring - User Manual - Inview GW - EN.pdf If you want to have an overview of standard systems’...