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Hubbell DualLite TRX User Manual

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Dual-Lite
TRX
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User Manual–10-30kVA, 50/60Hz

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Summary of Contents for Hubbell DualLite TRX

  • Page 1 Dual-Lite ® ™ User Manual–10-30kVA, 50/60Hz...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS ..........1 MPORTANT AFETY NSTRUCTIONS...
  • Page 4 Dry Contacts ............. . . 31 3.4.1 Input Dry Contacts.
  • Page 5 Routine Maintenance ............64 8.5.1 Record Log.
  • Page 6 TABLES Table 1 Weights for Dual-Lite TRX 10-30kVA frame ......... 14 Table 2 LED indications on power module assembly .

  • Page 7: Important Safety Instructions

    Important Safety Instructions MPORTANT AFETY NSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation of the Dual-Lite TRX. Read this manual thoroughly, paying special attention to the sections that apply to your installation, before working with the UPS. Retain this manual for use by installing personnel. A properly trained and qualified electrical contractor should oversee the installation of the equipment.
  • Page 8 Important Safety Instructions WARNING Risk of electrical shock and fire. Can cause equipment damage, personal injury or death. Lead-acid batteries contain hazardous materials. Batteries must be handled, transported and recycled or discarded in accordance with federal, state and local regulations. Because lead is a toxic substance, lead-acid batteries must be recycled rather than discarded.
  • Page 9 Important Safety Instructions WARNING Risk of electrical shock. Can cause personal injury or death. This UPS has several circuits that are energized with high DC as well as AC voltages. Check for voltage with both AC and DC voltmeters before working within the UPS. Check for voltage with both AC and DC voltmeters before making contact.
  • Page 10 Important Safety Instructions WARNING Risk of heavy unit falling over. Improper handling can cause equipment damage, injury or death. Exercise extreme care when handling UPS cabinets to avoid equipment damage or injury to personnel. The UPS module weight is up to 956 lb. (434kg). Locate center of gravity symbols and determine unit weight before handling each cabinet.
  • Page 11 Important Safety Instructions AVERTISSEMENT Risque de décharge électrique et d’incendie. pouvant entraîner des dommages matériels, des blessures et même la mort. Les précautions de sécurité habituelles suffisent lorsque le système ASC est en mode de fonctionnement normal et que toutes les portes sont fermées. La zone entourant le système ASC doit être exempte de flaques d’eau, d’humidité...
  • Page 12 Important Safety Instructions WARNING Risk of electric shock. Can cause injury, property damage and death. Under typical operation and with all UPS doors closed, only normal safety precautions are necessary. The area around the UPS system should be kept free of puddles of water, excess moisture and debris.
  • Page 13 Important Safety Instructions WARNING Failure to follow adequate grounding procedures can result in electric shock hazard to personnel, or the risk of fire, should a ground fault occur. All operations described in this section must be performed by properly trained and qualified electricians or technical personnel.

  • Page 14: Glossary Of Symbols

    Glossary of Symbols LOSSARY OF YMBOLS Risk of electrical shock Indicates caution followed by important instructions AC input AC output Requests the user to consult the manual Indicates the unit contains a valve-regulated lead acid battery PbH2SO4 Recycle DC voltage AC voltage Equipment grounding conductor Bonded to ground...

  • Page 15: Introduction

    Introduction NTRODUCTION The Dual-Lite TRX UPS can be configured as a fixed-capacity, transformer-free, online uninterruptible power system with 208/120V input and 208/120V output capability. The Dual-Lite TRX can operate with either a 50 or 60Hz input and provide a matching output frequency conversion. Optional transformers are available to add 208V isolation or 480V or 600V input capability to the Dual-Lite TRX in the optional Dual-Lite BDC (Bypass Distribution Cabinet) and in the optional Dual-Lite TRX Dual Transformer Cabinet.

  • Page 16: Installation

    Installation NSTALLATION This section describes the Dual-Lite TRX’s environmental requirements and mechanical considerations that must be taken into account when planning the positioning and cabling of the UPS equipment. Because each site is unique, this section presents a guide to general procedures and practices that should be observed by the installing engineer, rather than step-by-step installation instructions.

  • Page 17: Ups Location

    Installation UPS Location 2.3.1 Positioning the UPS Choose a location for the UPS that offers: • Easy connection to inputs, outputs and auxiliary equipment • Enough space to service the UPS • Air circulation sufficient to expel heat produced by UPS •...

  • Page 18: Mechanical Considerations

    Installation AVERTISSEMENT Le poids élevé de l’appareil peut entraîner des dommages matériels, des blessures et même la mort. Veillez à ce que les équipements utilisés pour déplacer le système TRX de Dual-Lite possèdent une capacité nominale suffisante. Le poids du système TRX de Dual-Lite varie entre 367 et 434 kg (809 et 956 lb) sans les batteries.

  • Page 19: Dimensions

    Installation AVERTISSEMENT Le centre de gravité élevé des appareils présente un risque de renversement lors des déplacements, peut entraîner des dommages matériels, des blessures et même la mort. Dual-Lite recommande de soulever les appareils en installant quatre anneaux de levage dans les ouvertures fabriquées en usine, avec un anneau dans chaque coin de l’appareil, pour ensuite fixer les câbles ou sangles aux anneaux afin d’effectuer le levage à...

  • Page 20: Clearances

    Installation 2.6.2 Clearances Provide at least the minimum clearance required by NEC on all sides of Dual-Lite TRX, including 36" (914mm) in front, to permit routine tightening of power terminations within the UPS and free passage of personnel with the door fully opened. Depending on the floor anchoring system used, up to 5"...

  • Page 21: Cable Entry

    Installation 2.6.4 Cable Entry Cables can enter the Dual-Lite TRX from the top or bottom through removable metal plates. Some plates have factory-punched holes and others are designed to allow the personnel to punch holes for fitting and securing the conduit. Once the conduit holes are punched, these plates should be reattached to the UPS.

  • Page 22: Figure 4 Cabinet Arrangement

    Installation System Composition A UPS system can comprise a number of optional equipment cabinets, depending on the system design requirements—e.g., UPS cabinet, External Battery Cabinet and External Bypass Cabinet. All cabinets used will be the same height and will be designed to be positioned side-by-side to form an aesthetically appealing equipment suite.

  • Page 23: Power Module Assembly

    Installation Power Module Assembly Figure 5 Power module assembly indicators and controls Fault LED DIP Switches Battery Start Button Run LED Ready Switch The BATTERY START button allows starting the UPS on battery. The Run LED is illuminated Green when the Dual-Lite power module assembly is operating normally.

  • Page 24: Static Bypass Assembly

    Installation Static Bypass Assembly Figure 6 Static Bypass Assembly connections See Figures 14- 17 for details. DB15 Ready Switch Intel Slot Bays 1, 2, 3 The Static Bypass Assembly has three Intel Slot interface card bays and connections for optional ancillary cabinets and for other options.

  • Page 25: Electrical Connections -Ups

    Electrical Connections—UPS —UPS LECTRICAL ONNECTIONS The UPS requires both power and control cabling once it has been mechanically installed. All control cables must run separate from power cables in metal conduits or metal ducts that are electrically bonded to the metalwork of the cabinets to which they are connected. WARNING Risk of electric shock.

  • Page 26: External Protective Devices

    Electrical Connections—UPS Torque Requirements Refer to Tables 3 and 4 for lug size and torque requirements. Table 3 Busbars (for power wiring) Bolt Shaft Size Lb-in (Nm) 3/8" (M10) 192 (22) Table 4 Terminal block with compression lugs (for control wiring) AWG Wire Size or Range Lb-in (Nm)

  • Page 27: Ups Input Configuration

    Electrical Connections—UPS 3.2.3 UPS Input Configuration By default, the Dual-Lite TRX ships with internal links installed between the bypass input and main (rectifier) input (single input configuration). Figures 7 and 8 show the Dual-Lite TRX in a split bypass (single source dual-input) configuration. In this configuration, the static bypass and the maintenance bypass lines are supplied by the same source using separate feeds.

  • Page 28: Cabling Guidelines

    Electrical Connections—UPS Figure 8 Single UPS block diagram—Dual input, single source configuration Bypass Distribution Cabinet * Bypass AC Output Output AC Input 208V Busbar 4-Wire + GND 4-Wire + GND See Note 6 Static Bypass * Rectifier AC Input 4-Wire + GND UPS Cabinet Battery NOTES...

  • Page 29: Cable Connections

    Electrical Connections—UPS NOTE If more load is added to the distribution panel, the unit’s cabling must be resized. 6. When laying power cables, do not form coils; this will help avoid increasing formation of electromagnetic interference. 3.2.5 Cable Connections The rectifier input, bypass, output and battery are easily accessible from the front of the unit for installation.

  • Page 30: Accessory Fuses And Back-Feed Breaker Wiring

    Electrical Connections—UPS 3.2.6 Accessory Fuses and Back-Feed Breaker Wiring Two fuse blocks provide power for the back-feed breakers (standard). The fuse blocks are at the lower right of the I/O panel on the front of the Dual-Lite TRX UPS. See Figure 10 for fuse-holder locations. The back-feed breaker fuse block provides 120V nominal provided from the UPS output (L-N) and the fuse is rated for 8 amps.

  • Page 31: Figure 11 Dual Input Back-Feed Breaker Wiring When Bypass Distribution Cabinet Not Used

    Electrical Connections—UPS Figure 11 Dual input back-feed breaker wiring when bypass distribution cabinet not used Upstream Bypass 1. Auxiliary contacts not needed for backfeed breaker operation. 2. A 120V shunt trip coil is required for proper operation. Input Breaker Upstream System Dual Input Control Wiring Input Breaker Single Input Control Wiring...

  • Page 32: Safety Ground

    Electrical Connections—UPS 3.2.7 Safety Ground The safety ground busbar is below the neutral input and output busbars as shown in Figure 12 below. The safety ground cable must be connected to the ground busbar and bonded to each cabinet in the system.

  • Page 33: Figure 12 Ground And Neutral Busbar Connections-10-30Kva Frame Busbars

    Electrical Connections—UPS Figure 12 Ground and neutral busbar connections—10-30kVA frame busbars 23.6" (600mm) Battery Neutral 1.6" (41mm) 2 Places Input 0.55" Neutral (14mm) Output Neutral Ground Busbar Detail A DETAIL A FRONT VIEW Door Removed Dual-Lite TRX...

  • Page 34: Protective Devices

    Electrical Connections—UPS 3.2.8 Protective Devices For safety, it is necessary to install circuit breakers in the input AC supply external to the UPS system. Given that every installation has its own characteristics, this section provides guidelines for qualified installation engineers with knowledge of operating practices, regulatory standards and the equipment to be installed.
  • Page 35 Electrical Connections—UPS Common Input Connections 5. For common bypass and main inputs, connect the AC input supply cables to the UPS input terminals (A2-B2-C2-N1) and tighten the connections to 240lb-in. (27N-m) (M10 Bolt). Ensure correct phase rotation. NOTE For common bypass and main inputs, the AC input cables must be connected to the bypass terminal (A2-B2-C2-N1) but not the main input terminal (A2-B2-C2).

  • Page 36: Control Cables Details

    Electrical Connections—UPS Control Cables Details 3.3.1 Static Bypass Assembly Features Based on your site’s specific needs, the UPS may require auxiliary connections to manage the battery system (external battery circuit breaker, battery temperature sensor), communicate with a personal computer or provide alarm signaling to external devices or for Remote Emergency Power Off (REPO). Terminations for these functions are located at the front of the static bypass assembly.

  • Page 37: Dry Contacts

    Electrical Connections—UPS Dry Contacts The UPS provides input dry contacts and output dry contacts on the Auxiliary Terminal Block (ATB). 3.4.1 Input Dry Contacts External input dry contacts are connected via the ATB. Dry contacts are available for environment detection, battery ground fault detection, etc. The UPS accepts external signal from zero-voltage (dry) contacts connected through external dry contact terminals produced, and these terminals are on the static bypass assembly.

  • Page 38: Figure 15 Input Dry Contacts

    Electrical Connections—UPS Table 5 Input dry contacts—J26 Port Name Description Q1 STATUS The main input switch status signal GND_DRY Dry ground Q2 STATUS The bypass input switch status signal GND_DRY Dry ground Q3 STATUS External maintenance switch status signal GND_DRY Dry ground Q5 STATUS External output switch status signal...

  • Page 39: Output Dry Contacts

    Electrical Connections—UPS 3.4.2 Output Dry Contacts The Auxiliary Terminal Block has three output dry contact relays (see Figure 16 and Table 6). Figure 16 Output dry contacts and EPO wiring BFP_O INV_O INV_S BFP_S BFP_C INV_C MAIN_O MFP_O See Table 6 for pins and description.

  • Page 40: Dual-Lite Trx Bdc Interface

    Electrical Connections—UPS 3.4.3 Dual-Lite TRX BDC Interface The Dual-Lite BDC interface is on the Auxiliary Terminal Block at J26. Refer to Figure 15 for circuit details. Table 7 Dual-Lite BDC interface Position Name Description J26.1 Q1 STA The main input switch status signal J26.5 Q2 STA The bypass input switch status signal...

  • Page 41: Epo Input-Optional

    Electrical Connections—UPS NOTE All auxiliary cables of terminal must be double-insulated. Wire should be 20-16AWG stranded for maximum runs between 80 and 200 feet (25-60m), respectively. 3.4.5 EPO Input—Optional NOTICE Risk of exceeding internal voltage limits. Can cause equipment damage. Do not apply more than 12V to the Emergency Power Off (EPO) input.

  • Page 42: Figure 19 Single Ups Remote Emergency Power Off

    Electrical Connections—UPS Figure 19 Single UPS Remote Emergency Power Off Dual-Lite TRX Bypass Module EPO_NO +12V +12V EPO_NC Remote Emergency X9_J2 Power Off (Customer-Supplied) Single Dual-Lite TRX Module Field-Supplied Wiring Dual-Lite TRX...

  • Page 43: Installation Drawings

    Installation Drawings NSTALLATION RAWINGS The diagrams in this section illustrate the key mechanical and electrical characteristics of the Dual-Lite TRX UPS System cabinets (UPS, Dual-Lite BDC and battery). Figure 20 UPS dimensions—Front view 23.6" (600mm) NOTES 1. Dimensions are in inches (mm) 2.

  • Page 44: Figure 21 Ups Main Components-Typical 10-30Kva Unit

    Installation Drawings Figure 21 UPS main components—Typical 10-30kVA unit Power Fuses Replaceable Air Filter Battery Operator Fuse Control Panel Bypass Module Power Modules Replaceable Air Filter Internal Batteries RIGHT SIDE FRONT Door Open and Side Panel Removed Door Open Dual-Lite TRX...

  • Page 45: Figure 22 Ups Cable Connections-10-30Kva Frames

    Installation Drawings Figure 22 UPS cable connections—10-30kVA frames 23.6" (600mm) See Detail A Ground 78.5" (1994mm) Batteries DETAIL A FRONT VIEW Door Removed Dual-Lite TRX...

  • Page 46: Communications

    Option Installation OMMUNICATIONS Intel Slot Communication The Dual-Lite TRX has three Intel Slot ports to allow field-installation of communication cards. Intel Slot cards communicate to cards that translate the information into such protocols as SNMP and Modbus. Other cards provide dry contact signals for external signaling of operating status. The Intel Slot communication ports may be installed or removed while the Dual-Lite TRX is operating.

  • Page 47: Intel Slot Web Card

    Option Installation Intel Slot Web Card An Intel Slot Web card is available that provides remote access to the UPS. A wide variety of status and summary information is available through an Ethernet connection. Figure 23 Intel Slot Web card display Intel Slot Relay Card The Intel Slot Relay card (IS-RELAY) provides voltage-free contact closures for remote monitoring of alarm conditions.

  • Page 48: Intel Slot Relay Card Pin Configuration

    Option Installation 5.4.1 Intel Slot Relay Card Pin Configuration The card has two terminals blocks, TB1 (green, numbered 1-9) and TB2 (black, 10-18), as shown in Figure 24. Figure 24 Pin location and numbering black green Refer to your Dual-Lite product user manual for the pin configuration for the terminal blocks. Table 11 Relay card pin configuration Function...

  • Page 49: Intel Slot Relay Card Jumper Setup

    Option Installation 5.4.2 Intel Slot Relay Card Jumper Setup The Intel Slot Relay Card has five jumpers, P3 through P7, as shown in Figure 25. Each jumper connects two pins. Figure 25 Jumper location and numbering Front Card Jumper Jumper Jumper Jumper Jumper...

  • Page 50: Operation

    Operation PERATION WARNING Risk of electrical shock. Can cause personal injury or death. This UPS has several circuits that are energized with high DC as well as AC voltages. Check for voltage with both AC and DC voltmeters before working within the UPS. Check for voltage with both AC and DC voltmeters before making contact.
  • Page 51 Operation NOTE This unit refers to some modes and conditions that are set or adjusted using proprietary service software. To take advantage of all the available features for the Dual-Lite TRX, the unit must be commissioned by a Dual-Lite-authorized engineer. Normal Mode Operating in normal mode, the Dual-Lite TRX’s rectifier derives power from a utility AC source and supplies regulated DC power to the inverter, which regenerates precise AC power to supply the...

  • Page 52: Ups Startup

    Operation Maintenance Mode For maintenance or repair, the Dual-Lite TRX may be operated in maintenance mode. To place the Dual-Lite TRX in maintenance mode, follow the instructions in 6.3 - Switching the UPS from Normal Operation to Maintenance Bypass. WARNING Risk of arc flash and electric shock.

  • Page 53: Startup Procedure

    Operation 6.2.1 Startup Procedure To start the UPS from a fully powered-down condition: 1. Log in as Operator, Administrator or Service. 2. Ensure that the Dual-Lite power module assembly ready switches are latched (in Down position). 3. Close the external input circuit breaker and connect input power. The touchscreen activates. 4.

  • Page 54: Switching The Ups From Normal Operation To Maintenance Bypass

    Operation Switching the UPS from Normal Operation to Maintenance Bypass Follow the procedure below to transfer the load from the UPS inverter output to the Maintenance Bypass system. NOTICE Risk of loss of power to the connected load. Can cause equipment damage. This procedure must be performed by properly trained and qualified personnel who are knowledgeable about the operation of this system.

  • Page 55: Figure 26 One-Line Diagram, Single-Input Ups With 3-Breaker Maintenance Bypass Cabinet And

    Operation AVERTISSEMENT Risque d’arc ou de décharge électrique pouvant entraîner des dommages matériels, des blessures et même la mort. Même lorsque le système ASC est en mode de dérivation d’entretien et hors tension, des parties du système TRX de Dual-Lite demeurent sous tension. L’entretien ne doit être confié qu’à...

  • Page 56: Switching The Ups From Maintenance Bypass To Normal Operation

    Operation Switching the UPS from Maintenance Bypass to Normal Operation Follow the procedure below to transfer the load from the Maintenance Bypass system to the UPS inverter output. These conditions must be met for this operation to proceed: • the UPS must be operating normally •...

  • Page 57: Energize Dual-Lite Trx With Maintenance Bypass Cabinet

    Operation De-Energize Dual-Lite TRX with Maintenance Bypass Cabinet NOTICE Risk of loss of power to the connected load. Can cause equipment damage. This procedure must be performed by properly trained and qualified personnel who are knowledgeable about the operation of this system. This procedure will remove power from the critical bus.

  • Page 58: Energize Dual-Lite Trx Without Maintenance Bypass Cabinet

    1. Install in accordance with national and local electrical codes. 2. Input and bypass must share the same single source. 3. A neutral is required from the system AC input source. Hubbell recommends a full-capacity neutral conductor and grounding conductors.

  • Page 59: Emergency Shutdown With Epo

    Operation Emergency Shutdown With EPO This circuit has been designed to switch Off the UPS in emergency conditions (e.g., fire, flood, etc.). The system will turn Off the rectifier, inverter and stop powering the load immediately (including the inverter and bypass), and the battery stops charging or discharging. If the input utility is present, the UPS’s controls will remain active;...

  • Page 60: Operation

    Operation 6.11 Operation WARNING Risk of electrical shock and arc flash. Can cause property damage, injury and death. The Dual-Lite TRX contains high voltages internally. Components that can only be accessed by opening the protective cover with tools cannot be serviced or replaced by the user. Only properly trained and qualified service personnel are authorized to remove the protective covers.

  • Page 61: Specifications And Technical Data

    Specifications and Technical Data PECIFICATIONS AND ECHNICAL Conformity and Standards The Dual-Lite TRX has been designed to conform to the following standards: Safety UL1778 4th Edition, CSA 22.2 107.3 Safety UL924 Surge IEC 61000-4-5 Criteria B Harmonics IEC 61000-3-4 Electrical Fast Transient IEC 61000-4-4, Criteria B IEC 61000-4-2, Criteria B Part 15, Class A...

  • Page 62: Ups Electrical Characteristics

    Specifications and Technical Data UPS Electrical Characteristics Refer to additional circuit breaker notes in 3.2.6 - Accessory Fuses and Back-Feed Breaker Wiring. NOTE The breakers and cables used must be in accordance with NEC ANSI/NFPA 70. A disconnect breaker must be provided for AC input, DC input and AC output. Recommended cable sizes are suitable for operation at a maximum temperature of 104°F (40°C).

  • Page 63: Table 20 Ac/Ac Efficiency, Loss And Air Exchange

    Specifications and Technical Data Table 20 AC/AC efficiency, loss and air exchange AC/AC Efficiency Data Normal Mode (dual conversion), % 95.6% Max Inverter Efficiency (DC/AC) (Battery at Nominal Voltage 288 VDC and Full-Rated Linear Load) Rated Power, kVA 10-30K Battery Mode, % 94.8% Max Heat Losses &...

  • Page 64: Table 24 Battery Dc Intermediate Circuit

    Specifications and Technical Data Table 24 Battery DC intermediate circuit Parameter 10 - 30kVA Battery Bus Voltage Number of Lead-Acid Cells 144 = (24 x 6 cell [12V] blocks), nominal Float Voltage 2.25V/cell, selectable from 2.2 - 2.3V/cell -3.0mV/°C, selectable from 0 to -5.0mV/°C around 77°F (25°C) or 86°F (30°C) or Temperature Compensation inhibit Ripple Voltage...

  • Page 65: Table 26 Bypass Input

    Specifications and Technical Data Table 26 Bypass input Parameter 10-30 kVA Rated AC Voltage 208/120V or 220/127V, 50/60Hz, 3-Phase, 4-Wire Plus Ground Rated Current: 208V 29/44/59/88 220V 26/39/52/79 Overload 110% load, Continuous Upstream Protection, Bypass Line Thermomagnetic Circuit Breaker, rated up to 125% of nominal output current Current Rating of Neutral Cable, A 1.7*ln Frequency, Hz...

  • Page 66: Maintenance

    Maintenance AINTENANCE Safety Precautions Observe the safety precautions in Important Safety Instructions on page 1. Only properly trained and qualified personnel should perform maintenance on the UPS system. Observe all of the warnings and cautions below before performing any maintenance on the UPS system and associated equipment.
  • Page 67 Maintenance WARNING Risk of electrical shock and high short circuit current. Can cause equipment damage, personal injury and death. Extreme caution is required when performing maintenance. Be constantly aware that the UPS contains high DC as well as AC voltages. With input power Off and the DC source disconnected, high voltage at filter capacitors and power circuits should be discharged within 5 minutes.

  • Page 68: Battery Maintenance

    Maintenance Battery Maintenance WARNING Risk of electrical shock and arc flash. Can cause property damage, injury and death. These maintenance procedures will expose hazardous live parts. Refer servicing to properly trained and qualified personnel. AVERTISSEMENT Risque d’arc ou de décharge électrique pouvant entraîner des dommages matériels, des blessures et même la mort.
  • Page 69 Maintenance AVERTISSEMENT Risque de décharge électrique pouvant causer des blessures graves, voire mortelles. Vérifiez les tensions au moyen de voltmètres c.a. et c.c. avant d’utiliser le système ASC. Vérifiez les tensions avec des voltmètres c.a. et c.c. avant d’établir tout contact. Seuls des employés qualifiés et dûment formés portant un casque, des gants, des chaussures et des lunettes de écurité...

  • Page 70: Limited-Life Components

    Maintenance Limited-Life Components The Dual-Lite TRX UPS has a design life well in excess of 10 years. Well-maintained units can continue to provide economic benefits for 20 years or more. Long-life components are used in the UPS wherever practical and cost-effective. However, due to the currently available component material, manufacturing technology limitations and the general function and use of the component, a few components in your Dual-Lite UPS will have a shorter life cycle and require replacement in less than 10 years.

  • Page 71: Air Filters

    Maintenance 8.5.2 Air Filters The air filters must be inspected and serviced on a regular schedule. The period between inspections will depend upon environmental conditions. Under normal conditions, the air filters will require cleaning or replacement approximately every two months. All Dual-Lite TRX models have replaceable filter elements behind the grille in the front of the unit.

  • Page 72: Torque Requirements

    Maintenance 8.5.3 Torque Requirements All electrical connections must be tight. Tables 28 through 29 provide the torque values for the connections in the UPS and batteries. Use these values unless the equipment is labeled otherwise. Table 28 Busbars (for power wiring) Bolt Shaft Size Lb-in (Nm) 3/8"...

  • Page 73: Recommended Test Equipment

    Maintenance Recommended Test Equipment Table 30 lists recommended test equipment and tools required to maintain, troubleshoot and repair the UPS module. Instruments of equivalent range and accuracy may be substituted. All instruments should be calibrated and be within the current calibration cycle. Calibration data for the instruments should be maintained in equipment-history files and the instruments labeled for audit and verification.

  • Page 74: Appendix A - Hazardous Ubstances Or

    Maintenance A - H PPENDIX AZARDOUS UBSTANCES OR LEMENTS NNOUNCEMENT Table 31 Hazardous substances or elements Hazardous Substances Polybrominated Polybrominated Lead Mercury Cadmium Chrome Biphenyl Diphenyl Ethers Part Name (Pb) (Hg) (Cd) (PBB) (PBDE) ✔ ✔ ✔ ✔ ✔ Hex copper stud ✔...

  • Page 75: Messages

    Maintenance B - UPS S PPENDIX TATUS ESSAGES Table 32 shows all event messages as they appear in the current status area of the LCD or the history log, along with a description and recommended actions, if any. Table 32 UPS status messages Event Message Description / Suggested Action (if any)
  • Page 76 Maintenance Table 32 UPS status messages (continued) Event Message Description / Suggested Action (if any) This alarm is triggered by an inverter software routine when the inverter and bypass waveforms are misaligned by more than 6 degrees in phase. This alarm resets automatically once the condition is no longer true.
  • Page 77 Maintenance Table 32 UPS status messages (continued) Event Message Description / Suggested Action (if any) UPS working within a parallel system are not sharing load current correctly. Contact Dual-Lite for Load Sharing Fault assistance. Shut off inverter due to abnormal DC bus voltage. DC Bus Abnormal Contact Dual-Lite for assistance.
  • Page 78 Maintenance Table 32 UPS status messages (continued) Event Message Description / Suggested Action (if any) Inverter in Setting Inverter is in parameter setting. Rectifier in Setting Rectifier is in parameter setting. Battery converter output voltage beyond limits or battery fuse failed. Battery converter shuts Batt.
  • Page 80 Dual-Lite ® ™ User Manual–10-30kVA, 50/60Hz DL-25648_REV1_08-16...

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