Maruson TACOMA TW LV Series User Manual
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Maruson TACOMA TW LV Series User Manual

Online double-conversion ups
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TACOMA TW LV SERIES
1kVA / 2kVA / 3kVA
Online Double-Conversion UPS
User Manual
Maruson Technology Corporation | www.marusonusa.com
Tel: +1.714.870.6888 | Toll-Free: +1.888.MARUSON (627.8766)
Technical Support: support@marusonusa.com
Hours of Operation: Monday – Friday, 9 AM to 5 PM (PT)
©
2024 Maruson Technology Corporation. All rights reserved. The mention of third-party names
and trademarks belongs to their respective owners. Such use does not indicate any affiliation with
or endorsement by the owners. The information provided herein is subject to change without prior
notice. While Maruson has endeavored to ensure the completeness and accuracy of the
information, it assumes no responsibility and disclaims all liability for any damages resulting from
the use of this information or for any errors, omissions, or oversights.

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Summary of Contents for Maruson TACOMA TW LV Series

  • Page 1 The information provided herein is subject to change without prior notice. While Maruson has endeavored to ensure the completeness and accuracy of the information, it assumes no responsibility and disclaims all liability for any damages resulting from...

  • Page 2: Table Of Contents

    Maruson | Tacoma TW 1kVA-3kVA User Manual SAFETY INSTRUCTIONS ........................4 1.1. & E ..................... 4 NSTALLATION LECTRICAL AFETY 1.2..............................5 PERATION 1.3..............................5 AINTENANCE 1.4............................6 ATTERY AFETY 1.5..........................6 DDITIONAL RECAUTIONS CONSIGNES DE SÉCURITÉ........................ 7 2.1.
  • Page 3 Maruson | Tacoma TW 1kVA-3kVA User Manual 7.7. ) ................22 URN OFF THE WITH AINS OWER SOURCE 7.8. ) ................. 22 FF THE ATTERY SOURCE 7.9............................22 UTE THE LARM 7.10...................... 23 PERAT ITH A ARNING TATUS 7.11.

  • Page 4: Safety Instructions

    Maruson | Tacoma TW 1kVA-3kVA User Manual SAFETY INSTRUCTIONS CAUTION: RISK OF ELECTRIC SHOCK, FIRE, AND INJURY TO PERSON. CAREFULLY READ THIS MANUAL BEFORE ATTEMPTING TO UNPACK, INSTALL, OPERATE, OR SERVICE THE PRODUCT AND ACCESSORIES AS THEY PERTAIN TO THE RISK OF FIRE, ELECTRIC SHOCK, OR SERIOUS INJURY TO PERSONS.

  • Page 5: Operation

    Maruson | Tacoma TW 1kVA-3kVA User Manual Capacity Breaker Specification 1000VA 125V, 16A, 2-pole 12AWG 3.33 2000VA 125V, 30A, 2-pole 10AWG 5.26 3000VA 125V, 40A, 2-pole 8AWG 8.37 • CAUTION: Risk of electric shock. Do not hardwire equipment to the 2kVA / 3kVA output terminal while the UPS is on or running off battery power.

  • Page 6: Battery Safety

    Disconnect charging source prior to connecting or disconnecting battery terminals. 1.5. ADDITIONAL PRECAUTIONS • Any alterations or modifications to this unit not explicitly approved by Maruson may result in voiding the warranty. • The UPS contains no user-serviceable parts. Refrain from conducting repairs or maintenance unless performed by an authorized service professional.

  • Page 7: Consignes De Sécurité

    Maruson | Tacoma TW 1kVA-3kVA User Manual CONSIGNES DE SÉCURITÉ ATTENTION : RISQUE D'ÉLECTROCUTION, D'INCENDIE ET DE BLESSURE. LISEZ ATTENTIVEMENT CE MANUEL AVANT D'ESSAYER DE DÉBALLER, D'INSTALLER, D'UTILISER OU DÉPANNER LE PRODUIT ET SES ACCESSOIRES, CAR ILS PRÉSENTENT DES RISQUES D'INCENDIE, D'ÉLECTROCUTION OU DE BLESSURES GRAVES.

  • Page 8: Utilisation

    Maruson | Tacoma TW 1kVA-3kVA User Manual • ATTENTION : Risque d'électrocution. Lorsque vous déplacez l'onduleur d'un environnement froid à un environnement chaud, assurez-vous qu'il est complètement sec avant de l'installer et prévoyez un temps d'acclimatation d'au moins deux heures.

  • Page 9: Maintenance

    Déconnecter la source de charge avant de connecter ou de déconnecter les bornes de la batterie. 2.5. PRÉCAUTIONS SUPPLÉMENTAIRES • Toute altération ou modification de cet appareil non explicitement approuvée par Maruson peut entraîner l'annulation de la garantie. • L'onduleur ne contient aucune pièce réparable par l'utilisateur. Ne pas effectuer de réparations ou...
  • Page 10 Maruson | Tacoma TW 1kVA-3kVA User Manual de maintenance à moins qu'elles ne soient effectuées par un professionnel du service après-vente agréé. • La garantie ne couvre pas les cas d'utilisation incorrecte, de fonctionnement, de manipulation, d'altération, de mauvais usage, d'abus, de manque d'entretien ou d'utilisation de l'onduleur ou de...

  • Page 11: Product Introduction

    Maruson | Tacoma TW 1kVA-3kVA User Manual PRODUCT INTRODUCTION The Maruson Tacoma TW is a robust online double-conversion UPS, characterized by high performance capabilities aimed at safeguarding critical equipment from prevalent power disturbances. When operating in Normal Mode, it ensures an uninterrupted power supply with a seamless transition to battery backup power, delivering a pure sine wave output.

  • Page 12: Installation

    Maruson | Tacoma TW 1kVA-3kVA User Manual INSTALLATION 4.1. UNPACKING AND INSPECTION 4.1.1. Unpacking This package contains: (1) Tacoma TW UPS, (1) EPO Tab, and (1) User Manual. Standard and extended runtime models will also include (1) USB Cable. Note: Software for power management can be downloaded online from the product page for your model.

  • Page 13: Power Management Software

    Maruson | Tacoma TW 1kVA-3kVA User Manual battery terminal block to ensure correct battery polarity connection. • WARNING: Use only the supplied external battery cable to connect the EBB and UPS. Third-party or incompatible EBBs will void all warranties. • WARNING: If no specified external battery cable is provided, prepare a cable capable of carrying a current of >42A for the 3kVA model, and >28A for the 1kVA &...

  • Page 14: Display Interface

    Maruson | Tacoma TW 1kVA-3kVA User Manual DISPLAY INTERFACE 5.1. CONTROL PANEL Figure 3 - Control Panel 5.1.1. LED Status UPS Mode Status Indicator Bypass An abnormal condition was detected and the UPS converter cannot function properly. In Bypass Mode, the UPS continues to deliver power from the mains; however, instead of the usual path providing power protection, the mains power is directed to connected loads via the bypass circuit.

  • Page 15: Lcd Screen

    Maruson | Tacoma TW 1kVA-3kVA User Manual to Standby Mode unless you unplug from the mains power source to completely turn off. Cold start: To start the UPS in Battery Mode during a power failure, press and hold the ON button for 3 seconds before releasing. The UPS will cycle through a brief startup test before supplying power to the sockets.

  • Page 16: Audible Alert Indicators

    Maruson | Tacoma TW 1kVA-3kVA User Manual Normal: UPS is operating Battery Mode: Utility power failure has normally in double-conversion occurred and connected equipment is now mod and supplying power to powered by battery power. Audible alert will connected equipment.
  • Page 17 Maruson | Tacoma TW 1kVA-3kVA User Manual EPO/ROO Intelligent Card Slot External RS232 Battery Connector (optional) Outlet Input Circuit Output Breaker Terminal Block Input Power Cord Figure 6 - 2000VA Model EPO/ROO Intelligent RS232 Card Slot External Battery Connector （Optional）...

  • Page 18: Output Hardwire (2Kva / 3Kva Models)

    Maruson | Tacoma TW 1kVA-3kVA User Manual Breaker Protects UPS from output overload. If this trips, remove some equipment load from the UPS and allow the UPS to cool. Reset the breaker and turn on the UPS and connected equipment.

  • Page 19: Rs232

    Maruson | Tacoma TW 1kVA-3kVA User Manual 5.8. RS232 Plug one end to the computer and other end to the UPS. Pin assignment and description of DB-9 connector: Pin # Definition TXD (output). Transmits data. RXD (input). Receives data. GND. Ground.

  • Page 20: Battery Mode

    Maruson | Tacoma TW 1kVA-3kVA User Manual The Bypass status icon will display on screen, Bypass Mode LED will be on, and UPS will beep once every 2 minutes indicating the UPS is working in Bypass Mode. Information about the utility power, the battery level, the UPS output and the load level will be displayed.

  • Page 21: Fault Mode

    Maruson | Tacoma TW 1kVA-3kVA User Manual 6.7. FAULT MODE In the event of an internal failure detection requiring the inverter to cease operation, the UPS will enter Fault Mode. During this state, a warning symbol will flash on-screen, accompanied by an audible alert.

  • Page 22: Discharging The Batteries

    Maruson | Tacoma TW 1kVA-3kVA User Manual 7.5. DISCHARGING THE BATTERIES 1) When the UPS operates in Battery Mode, the alarm will emit beeps corresponding to the battery capacity. Should the battery voltage reach a critical level, the buzzer will beep rapidly (once every second), signaling the imminent automatic shutdown of the UPS.

  • Page 23: Operating With A Warning Status

    Maruson | Tacoma TW 1kVA-3kVA User Manual 7.10. OPERATING WITH A WARNING STATUS 1) When the Fault/Warning icon “ ” is flashing, accompanied by an alarm beeping every second, it signals that the UPS has detected an issue requiring attention. Refer to the Troubleshooting section for a solution.

  • Page 24: Fre: Frequency Converter Mode

    Maruson | Tacoma TW 1kVA-3kVA User Manual 7.12.2. FRE: Frequency Converter Mode Set Output Frequency, Hertz (Hz) or cycles-per-second, of the UPS output power. Select either synchronized to mains frequency or set to 50Hz or 60Hz. Select FRE to change the output frequency of the UPS.

  • Page 25: Epo: Epo Switch

    Maruson | Tacoma TW 1kVA-3kVA User Manual 7.12.4. EPO: EPO Switch Set how the EPO (emergency power off) switch responds. 001: Enables EPO 000: Disables EPO (default) 0n1: EPO will activate when EPO switch is open 0n0: EPO will activate when EPO switch is closed if EPO function is enabled (default) “Output”...

  • Page 26: Eco: Eco Mode

    Maruson | Tacoma TW 1kVA-3kVA User Manual 7.12.7. ECO: ECO Mode In ECO Mode, the UPS bypasses its internal inverter and operates as a line-interactive UPS instead of double-conversion, which also involves a brief transfer time when switching to Battery Mode when a power disruption occurs.

  • Page 27: Troubleshooting

    Maruson if condition persists. Charger failed UPS charger board will not charge the batteries anymore. Contact your local authorized dealer or Maruson to replace the charger board. EPO function Connect the EPO switch to disable this function and ensure the connection is active is secure.

  • Page 28: Additional Troubleshooting Conditions

    Charger failed UPS charger board will not charge the batteries anymore. Contact your Flashing local authorized dealer or Maruson to replace the charger board. icon Note: When the UPS fails, the Fault/Warning icon will appear on the LCD and backlight will change to red while the alarm beeps continuously.

  • Page 29: Maintenance

    Maruson | Tacoma TW 1kVA-3kVA User Manual Fan(s) always No issue The fan(s) will always be on to prevent overheating. If the fan is more active than usual, check the fans for dust buildup. Use compressed air to gently remove dust build-up.

  • Page 30: Transportation, Storage, And Disposal

    Maruson | Tacoma TW 1kVA-3kVA User Manual 10. TRANSPORTATION, STORAGE, AND DISPOSAL 10.1. TRANSPORTATION Please transport the UPS only in the original packaging with the included foam inserts. Disconnect internal batteries for transportation. 10.2. STORAGE If the UPS or external battery banks are to be stored for an extended period, ensure that the UPS is fully charged before placing it in a dry, dust-free, well-ventilated room away from direct sunlight.
  • Page 31 Maruson | Tacoma TW 1kVA-3kVA User Manual ECO Mode >95% @ full load with batteries fully charged Transfer Time Normal < > Battery 0ms Inverter < > Bypass <4ms ECO → Battery 10ms Battery & Charger at 77ºF (25℃) External Battery...

  • Page 32: Battery Specifications

    Maruson | Tacoma TW 1kVA-3kVA User Manual 11.2. BATTERY SPECIFICATIONS Model* Internal Total Battery Charging Rated Backup Time Maximum Batteries Voltage Current Charging (Half Load) Rating Voltage Connection TAC-TW1KB (2) 12V / 7Ah 24Vdc 27.3Vdc 10 minutes TAC-TW1K (3) 12V / 7Ah...

  • Page 33: Ca Proposition 65 Warning

    US or Canada with Product Registration. The limited warranties start date is based on the date of purchase. If, in the opinion of Maruson, the UPS or battery is defective and defective within the scope of this warranty, Maruson’s sole obligation will be to repair or replace the defective UPS or battery. No salesperson, employee, or agent of Maruson is authorized to add to or vary the terms of the warranties.
  • Page 34 (including interest charges, if any). During such time as Maruson has not received payment of any amount due to it for the Product, in accordance to the contract terms under which the Product is sold, Maruson shall have no obligation under this warranty.
  • Page 35 NEGLIGENCE, OR LOSS OF DATA ARISING OUT OF THE SALE, USE, OR INABILITY TO USE OF ANY MARUSON UPS, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT SHALL THE TOTAL AGGREGATE LIABILITY OF MARUSON, ITS AFFILIATES, ASSOCIATES, DEALERS, AGENTS OR SUPPLIERS TO YOU FOR ALL DAMAGES EXCEED THE PRICE YOU PAID FOR THE PRODUCT.

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