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SIERRA 25 - 48/120
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
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 1.1
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Table of Contents
Related Manuals for CE+T Power Sierra 25 - 48/120
Summary of Contents for CE+T Power Sierra 25 - 48/120
- Page 1 SIERRA 25 - 48/120 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 •...
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Page 2: Table Of Contents
Pre requisites ......................... 9.2.2 Terminations ........................9.2.3 Grounding ........................9.2.4 DC Connection ....................... 9.2.5 AC Input Connection ....................... 9.2.6 AC Output Connection ....................9.2.7 Signalling ........................9.2.8 Remote ON/OFF......................– Sierra 25 - 48/120 VAC – User Manual – v1.1... - Page 3 16. Trouble Shooting and Defective Situations Fixing ..................16.1 Trouble Shooting ......................... 16.2 Defective modules ........................17. Maintenance ............................17.1 Access Inview with Laptop ......................17.2 Manual check ..........................17.3 Optional ............................17.4 Manual By-Pass ......................... – Sierra 25 - 48/120 VAC – User Manual – v1.1...
- Page 4 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 ......................– Sierra 25 - 48/120 VAC – User Manual – v1.1...
- Page 5 Release Note: Release date Version Modified page number Modifications (DD/MM/YYYY) 05/05/2021 First release of the Manual 12/04/2024 Updated Inview Information – Sierra 25 - 48/120 VAC – User Manual – v1.1...
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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
Protective Earth (also called Main Protective Conductor) Power Extension Kit Personal Protective Equipment Power Regular SNMP Simple Network Management Protocol TCP/IP Transmission Control Protocol/Internet Protocol True Redundant Structure Urgent Alarm Universal Serial Bus – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 8: Warranty And Safety Conditions
• This product is suitable for use in a computer room. * These instructions are valid for most CE+T Products/Systems. Some points might however not be valid for the product described in this manual. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 9: Installation
• Remove weight from the cabinet by unplugging the converters. Mark converters clearly with shelf and position for correct rebuild. This is especially important in dual or three phase configurations. • Empty converter positions must not be left open. Replace with module or blank cover. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 10: Surge And Transients
To download the latest documentation and software, please visit our website at www.cet-power.com – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 11: Eci Technology
1 Information and data given in this chapter is intended to serve as an overview of the ECI Technology. Detailed features and parameters for each individual module type in the range may differ and should be referred to in the dedicated data sheet. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 12: Ac-Ac Mode
• AC Load via a double conversation to provide a pure sine wave. • DC load directly. • Measure Box Battery (MBB) is used for DC power calculation. AC Out AC IN DC Out Battery – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 13: Building Blocks
-40°C to 70°C / Max RH 95% for 96 hours per year Material (casing) Zinc coated steel AC Input Data Nominal voltage 120 Vac Voltage range 90 - 140 Vac – Sierra 25 - 48/120 VAC – User Manual – v1.1... - Page 14 46.8 A @ 48 Vdc Reverse polarity protection Efficiency AC to DC > 92.5% In Transfer Performance Max. Voltage interruption / 0 sec / 0 sec total transient voltage duration (max) – Sierra 25 - 48/120 VAC – User Manual – v1.1...
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Page 15: Sierra 25 - 48/120
80 to 100% = <5% 100% Output Power (redundancy not counted) overload × × × × × Status output power LED × Behaviour (B - Blinking, P - Permanent ) – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 16: Sub-Rack
• Optional rear cover for IP 20 in open rack. • Max 12 kVA per shelf. • 480 mm (D) x 19” (W) x 2U (H). • 6 Kg (without modules). – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 17: Monitoring Device - Inview S, X And Gw
- Monitoring - User Manual - Inview - EN.pdf Inview GW - https://datasheet.cet-power.com/CET - Monitoring - User Manual - Inview GW - EN.pdf Inview GW Inview S Inview X – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 18: Accessories
The AC distribution unit is available with 1 pole, 2 pole or 3 poles. Max current per AC DU is 200 A, max current per terminal connector is 40 A. Two adjacent terminal connectors shall be used for 63 A breakers. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 19: Mccb
Up to 40A 7.3.2 MCCB AC output distribution via MCCB in the range up to 400 A (1p, 2p or 3p). Max two MCCB per inverter cabinet. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 20: System Design
• Flexible output distribution • True modularity, redundancy and hot-swappable Optional • Manual by-pass • AC output distribution • DC distribution • Battery fuses • Battery LVD • Surge arresters • Door – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 21: Installation Of Sierra 25 Shelf
Fix cage nuts (4) in the cabinet front and rear frame of the left and the right side. Fix the left and right slider of the cabinet with the supplied screws (3). – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 22: Electrical Installation For Sierra Shelf
• Wire all positions in the sub-rack for future expansion. • Input AC / Output AC / Input DC / Signal cables shall be separated. • Cable crossings shall be done in 90 deg angles. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 23: Terminations
Installation of Sierra 25 Shelf 9.2.2 Terminations The below image is termination details of Sierra 25 - 48/120 shelf. AC IN (L) AC Out (PE) Main Earth Terminal AC Out (L) AC IN (PE) AC Out (N) AC IN (N) -
Page 24: Ac Input Connection
3 x 4 AWG (2 x 16 mm 5 Nm 9.2.7 Signalling Sierra Shelf - Rear side To Inview S, X or GW (CE+T COM port) CAN BUS A CAN BUS B Remote ON /OFF – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 25: Remote On/Off
• The internal bus connectors are sensitive and special caution should be taken during installation to keep them out of harms way. • The internal bus is connected from the first shelf to the last shelf. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 26: Shelf Rear Cover
• Remove material using a pair of side-cutters to allow cable entry and exit. Cut appropriate size on the protection cover for cable access. Fix the protection cover at rear side of the shelf. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 27: Installation Of Cabinet
ƒ Insert one module per phase. ƒ Start the system according to the start-up and commissioning procedure. ƒ Insert the remaining modules progressively. Module packing material shall be taken apart. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 28: Removing The Cabinet Rear Protection
• Input AC / Output AC / Input DC / Signal cables shall be separated. • Cable crossings shall be made at 90 deg angles. • Empty module positions shall be covered with blank or dummy module. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 29: Positioning
Sierra Converter DC (X1) with fuse / LVD at back Note: The image is for general reference. Refer to the technical drawings received with your cabinet for exact arrangement. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 30: Cabling
Indoor sites are considered to have a working lightning surge suppression device in service. • Indoor sites Min Class II. • Outdoor sites : Min Class I + Class II or combined Class I+II. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 31: Ac Input (X2) And Output (X4)
UPS will operate without problem but you may infringe the local regulation. The AC input is wired to a screw terminal. Max cable area is 180 mm 10.5.5.1 Single phase – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 32: Dc (X1)
2 X 800 A 4 x 240 2 X 1000 A 8 x 150 82.5 2 X 1000 A 8 x 150 2 X 1000 A 8 x 150 – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 33: Connection Table - Ac Input (X2) & Output (X4)
Must be present if not used When an alarm occurs, the X3 relay contacts are de-energized and switch. Note: For auxiliary connections from MBP, refer section 13.2, page 38. – Sierra 25 - 48/120 VAC – User Manual – v1.1... - Page 34 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! – Sierra 25 - 48/120 VAC – User Manual – v1.1...
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Page 35: Inserting/Removing/Replacing - Modules
5. The module will start up and take the first address available on the bus. 3. Push firmly till the connection is proper- 2. Slide the module in 4. Lock the latch. ly engaged. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 36: Fan Replacement
8. Access Inview and reset the fan run time alarm from within the action menu. Remove the screws Remove the Disconnect the fan Take the new fan Make sure the fan front cover is in the right position – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 37: Ac Output Distribution
A wide range of breakers is used. Delivered breakers may vary from the example shown in the picture. 1. Make sure that the breaker is in OFF position. 2. Connect load cables to the terminal. 3. Switch the breaker ON. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 38: Manual By-Pass (Optional)
ƒ Connect Aux1 and Aux2 of MBP to Remote ON/OFF terminal in the shelf where controller is installed. IN VIEW X5/2 AUX1 CAN / iso RS485 X5/3 From MBP REMOTE ON/OFF AUX CONTACT X5/1 CE+T AUX3 Module Rack 1 – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 39: Manual Bypass Operation
Manual By-Pass operation is “Make before Break” logic The sierra system has a single rotary switch or three individual switches depending upon the system configuration, and the operation also varies for each model. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 40: Mbp - Single Rotary Switch
13.3.2 MBP - Three individual switches In this model, manual bypass operates through three individual switches - S1 (Manual Bypass), S2 (AC out) and S3 (AC IN). Bypass AC IN AC OUT Bypass – Sierra 25 - 48/120 VAC – User Manual – v1.1... - Page 41 (Wait until the modules turn on and synchronized, approximately 30-60 seconds). 3. Close the AC Out switch S2, 0 to 1 4. Open the By-Pass switch S1, 1 to 0 – Sierra 25 - 48/120 VAC – User Manual – v1.1...
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Page 42: Finishing
• Cover empty converter positions with blanks. • Make sure that the Remote ON/OFF is appropriately wired according to local regulations. • Make sure that the point of AC supply meets local regulations. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 43: Commissioning
Installation and commissioning must be done and conducted by trained people fully authorized to act on installation. It is prohibited to perform any isolation test without instruction from manufacturer. Equipments are not covered by warranty if procedures are not respected. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 44: Check List
Switch OFF AC input (commercial power failure) and check the alarm according to the configuration Switch OFF DC input (DC power failure) and check that the alarm according to the configuration Check the different digital input according to the configuration (when used) – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 45: Trouble Shooting And Defective Situations Fixing
All OK but I have alarm: Check the type of event and log file in the controller No alarm: Check relay delay time of alarms in the controller Check configuration file – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 46: 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! – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 47: Maintenance
• With an infrared camera check termination hot spots - Tighten terminations 17.4 Manual By-Pass • Make sure AC input source is available during MBP operation. Otherwise the LOAD will be affected. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 48: Service
• If your vendor doesn’t provide such assistance (*) you may contact CE+T through email: ƒ USA and Canada: tech.support@cetamerica.com ƒ Rest of the world: customer.support@cet-power.com (*) CE+T will redirect your call to your vendor if he has such SLA in place. – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 49: Appendix
Appendix 19. Appendix 19.1 Mains connection, Single phase – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 50: Mains Connection, Three Phases
Appendix 19.2 Mains connection, Three phases – Sierra 25 - 48/120 VAC – User Manual – v1.1... -
Page 51: Sierra 25 - Dimensions
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 - 48/120 VAC – User Manual – v1.1... -
Page 52: Modules - Parameter List
If you want to have an overview of standard systems’ parameters, you can also view the parameters in our Monitoring Emulator - https://www.cet-power.com/en/monitoring-emulator/. Do not hesitate to use the help buttons to get more information about the parameters. – Sierra 25 - 48/120 VAC – User Manual – v1.1...