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SU-Series 3-Phase UPS Hardware:
Introduction and Troubleshooting
1111 W. 35th Street, Chicago, IL 60609 USA
+1.773.869.1234 � www.tripplite.com
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PRELIMINARY
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Table of Contents 1 Basic Operation 3 2.11 LCD Panel Control Circuit 59 1.1 Technical Specifi cations 3 2.12 Fan Control Circuit 60 KX Models 3 2.13 Bypass SCR Temperature Detection 61 K and KTV Models 4 2.14 Communication Circuit for RS232 61 SU80K Model 5 2.15 Communication Circuit for Slots 62 1.2 Features 6 2.16 Communication Circuit for Output Dry Contact 63 1.2.1 Advanced Features 6 2.17 Communication Circuit for Input Dry Contact and REPO 64 1.2.2 Control Panel Features 6 2.1
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1 Basic Operation 1.1 Technical Specifi cations KX Models: Model SU20KX SU40KX SU60KX SU80KX (Capacity) (20kVA/16kW) (40kVA/32kW) (60kVA/48kW) (80kVA/64kW) Input Input Voltage 220/380V, 230/400V or 240/415V AC, 3O, 4-wire + ground, wye Voltage Regulation -25% ~ +20% Harmonic Distortion < 5% (Full Load) PFC (Full Load) > 0.99 Frequency 50 / 60 Hz Frequency Tolerance 45 ~ 65 Hz Output Output Voltage 220/380V, 230/400V or 240/415V AC, 3O, 4-wire + ground, wye Output Frequency 50 /
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1 Basic Operation (continued) 1.1 Technical Specifi cations (continued) K and KTV Models: Model SU40K SU60K SU60KTV SU80KTV (Capacity) (40kVA/32kW) (60kVA/48kW) (60kVA/48kW) (80kVA/64kW) Input Input Voltage 120/208V AC, 3O, 277/480V AC, 3O, 4-wire + ground, wye 4-wire + ground, wye Voltage Regulation -25% ~ +20% Harmonic Distortion < 5% (Full Load) PFC (Full Load) > 0.99 Frequency 50 / 60 Hz Frequency Tolerance 45 ~ 65 Hz Output Output Voltage 120/208V AC, 3O, 277/480V AC, 3O
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1 Basic Operation (continued) 1.1 Technical Specifi cations (continued) SU80K Model: Model (Capacity) SU80K (80kVA/64kW) Input Input Voltage 120/208V AC, 3Ø, 4-wire + ground, wye Voltage Regulation -25% ~ +20% Harmonic Distortion < 5% (Full Load) PFC (Full Load) > 0.99 Frequency 50 / 60 Hz Frequency Tolerance 45 ~ 65 Hz Output Output Voltage 120/208V AC, 3Ø, 4-wire + ground, wye Output Frequency 50 / 60 Hz Total Harmonic (Linear Load) ≤3% Voltage Regulation Static
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1 Basic Operation (continued) 1.2 Features 1.2.1 Advanced Features: � True on-line double conversion with superior IGBT inverter technology � Low input current THD allows 1:1 generator sizing for maximum effi ciency and cost savings � Internal N+1 power module redundancy (except for SU20KX model) � Built-in parallel redundancy (1+1) capability for increased capacity or fault-tolerance � Up to 80kVA capacity in a compact footprint; up to 160kVA in parallel redundancy (1+1) confi guration � High inp
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1 Basic Operation (continued) 1.2 Features (continued) 1.2.3 Front and Rear Panel Features A B C E F D G H H I I Fig 1.2.3a SU40KX front Note: Individual models may vary from diagrams. Unit shown with front bezels removed. � A Control Panel: The control panel allows the operator to monitor and control the UPS system. (See section 1.2.2 for more information.) � B Internal Power Modules: 20kVA internal power modules can be replaced in the field without powering down connected equipment loads. The
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1 Basic Operation (continued) 1.2 Features (continued) J L M K N O P H H I I Fig 1.2.3b SU40KX rear Note: Individual models may vary from diagrams. Unit shown with front bezels removed. � H Levelers: The levelers provide long-term support for the UPS system. � I Casters: The casters are designed for small position adjustments within the final installation location only; they are not designed for moving the UPS system over longer distances. The casters are not designed to provide long-term suppo
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1 Basic Operation (continued) 1.2 Features (continued) A B C E F D G H H I Fig 1.2.3c SU40K front Note: Individual models may vary from diagrams. Unit shown with front bezels removed. � A Control Panel: The control panel allows the operator to monitor and control the UPS system. (See section 1.2.2 for more information.) � Internal Power Modules: 20kVA internal power modules can be replaced in the field without powering down connected equipment loads. The B number of internal power modules varie
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1 Basic Operation (continued) 1.2 Features (continued) J M L K N O P I H H Fig 1.2.3d SU40K rear Note: Individual models may vary from diagrams. Unit shown with front bezels removed. H � Levelers: The levelers provide long-term support for the UPS system. I � Casters: The casters are designed for small position adjustments within the final installation location only; they are not designed for moving the UPS system over longer distances. The casters are not designed to provide long-term support
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1 Basic Operation (continued) 1.2 Features (continued) A B C D D E Fig 1.2.3e SU80K front Note: Individual models may vary from diagrams. Unit shown with front bezels removed. � A Control Panel: The control panel allows the operator to monitor and control the UPS system. (See section 1.2.2 for more information.) � B Internal Power Modules: 20kVA internal power modules can be replaced in the field without powering down connected equipment loads. The number of internal power modules varies by mod
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1 Basic Operation (continued) 1.2 Features (continued) F I G H J L M N K E D D Fig 1.2.3f SU80K rear Note: Individual models may vary from diagrams. Unit shown with breaker guard removed. D � Levelers: The levelers provide long-term support for the UPS system. E � Casters: The casters are designed for small position adjustments within the final installation location only; they are not designed for moving the UPS system over longer distances. The casters are not designed to provide long-term sup
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1 Basic Operation (continued) 1.3 Operating Principles 1.3.1 System Layout Q3 Manual Bypass Circuit Breaker Manual Input Bypass Input Q2 Bypass Input STS Circuit Breaker Main Q1 20kVA/3U POWER MODULE Q4 LOAD Main Input Output MAIN Circuit Breaker Circuit Breaker 20kVA/3U POWER MODULE 20kVA/3U POWER MODULE 20kVA/3U POWER MODULE BATTERY Fig 1.3.1a System Block Diagram for KX models Q3 Manual Bypass Circuit Breaker Manual Input Bypass Input STS LOAD 20kVA/3U POWER MODULE XFMR XFMR Q2 Q1 MAIN Q4
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1 Basic Operation (continued) 1.3 Operating Principles (continued) 1.3.3 Power Module Layout R U S V INPUT OUTPUT T W N N BATTERY Charger Fig 1.3.3a Power Module Block Diagram The SU-Series 3-Phase UPS double-conversion power modules consist of three components (Figure 1.3.3a): 1) An AC/DC converter 2) An AC/DC inverter 3) A charger The power module’s 3-phase, 4-wire input runs A/C current through the AC/DC converter to generate regulative dual DC bus (±370Vdc). During backup mode, this
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1 Basic Operation (continued) 1.5 Operating Modes This section provides a basic description of the UPS system’s operating modes. For more information about switching between operating modes, refer to Section 1.6 – Start-Up, Shutdown and Bypass. 1.5.1 Online (Normal) Mode (Single UPS) In online (normal) mode, the UPS system’s rectifier converts incoming AC utility power to DC power that charges the batteries and supplies the inverter. The inverter transforms the DC power to precision-regulat
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1 Basic Operation (continued) 1.5 Operating Modes (continued) 1.5.5 Online Mode (Parallel UPS) Parallel redundancy (1+1) provides UPS system redundancy or increased total capacity. Under parallel redundancy, the total load is shared by two UPS systems. If one of the UPS systems malfunctions, the total connected equipment load is supported by the remaining UPS system. If the total load exceeds the capacity of the remaining UPS system, it will switch to auto bypass mode. 1.5.6 Battery Backu
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1 Basic Operation (continued) 1.5 Operating Modes (continued) 1.5.8 Manual Bypass Mode (Parallel UPS) Similar to manual bypass mode for a single UPS system (Section 1.5.4), except with parallel (1+1) UPS systems. Note: Both UPS systems must be switched into manual bypass mode. 1.5.9 Hot Standby Mode (Parallel UPS) For added fault-tolerance, the redundant UPS system acts as the bypass (reserve) power source for the main UPS system. 17 PRELIMINARY
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1 Basic Operation (continued) 1.6 Start-Up, Shutdown and Bypass Warning: The UPS system’s output voltage is set at 220/380V by default. If you require output voltage of 230/400V or 240/415V, you must change the UPS system’s output voltage by accessing the output setup menu described in Section 10-9 of the owner’s manual. You must place the UPS system in bypass mode before changing the output voltage. Do not connect your equipment to the UPS system’s output until you have set the proper para
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1 Basic Operation (continued) 1.6 Start-Up, Shutdown and Bypass (continued) 1.6.3 Standard Start-Up Procedure (Single UPS) (continued) 3 � Switch on the output circuit breaker switch A and bypass input circuit breaker switch B . After a brief initialization process, the LCD screen will show “ON AUTO BYPASS”, the “BYPASS” LED will illuminate and UPS system output will be supplied by the A B bypass (reserve) power source. Output Manual Bypass Main Bypass Input Input 3 � 4 Switch on the main
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1 Basic Operation (continued) 1.6 Start-Up, Shutdown and Bypass (continued) 1.6.5 Manual Bypass Procedure (Single UPS) Warning: Placing the UPS system in manual bypass will disable the inverter and power all loads from the manual bypass (reserve) source, but the UPS system will still be energized. Before performing maintenance or repair on the UPS system, shut down and de-energize the UPS system completely by following the steps in Section 1.6.6. Although connected equipment loads will be po
