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DSPM Fortress 3 480 Maintenance Manual
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DSPM Fortress 3 480 Maintenance Manual

Emergency lighting inverter
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Maintenance Manual
User's Manual
480 or 480Y/277V Maintenance Manual #074-7001-00
#018-1000-02
Price Each
Fortress 3
Defender Micro Online Emergency Lighting Inverter
Emergency Lighting Inverter
Eternalight Micro Online Emergency Lighting Inverter
Cobra Micro Standby Emergency Lighting Inverter
Eternalight Micro Standby Emergency Lighting Inverter
Title: Fortress 3 480 or 480Y/277Vac
01
Doc No.: 074-7001-00
Title: Micro
Description: Emergency Lighting Inverter Maintenance Manual
Doc No.: 018-1000-02
$75
Rev: A
Date: 09/12/2022
Phone :
1.877.DSPM.POWER-1.877.377.6769
Fax:
1.877.DSPM.POWER-1.877.377.6769
Phone :
Page#: - 1 -
Website:
www.dspmanufacturing.com
Fax:
Rev: NR
E-Mail:
techsupport@dspmanufacturing.com
Website:
DSPM
1.877.DSPM.POWER
-
1.877.377.6769
909.930.3335
www.dspmanufacturing.com

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Summary of Contents for DSPM Fortress 3 480

  • Page 1 Defender Micro Online Emergency Lighting Inverter Emergency Lighting Inverter Eternalight Micro Online Emergency Lighting Inverter Cobra Micro Standby Emergency Lighting Inverter Eternalight Micro Standby Emergency Lighting Inverter Phone : 1.877.DSPM.POWER-1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Fax: 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Date: 09/12/2022 Doc No.: 074-7001-00...
  • Page 2 CHAPTER 3 FIELD REPLACEABLE UNITS (FRUS) SECTION 3.1. MOTHER/MAIN BOARDS SECTION 3.2. ALL OTHER PARTS Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00...
  • Page 3 FIGURE 10—OUTDOOR BATTERY CABINET FIGURE 11—OUTDOOR SYSTEM LAYOUT SECTION 8.2. LIMITED WARRANTY SECTION 8.3. NOTES Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00...
  • Page 4 Renovation Release February 26, 2022 Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00 Rev: NR Website: www.dspmanufacturing.com Website: www.dspmanufacturing.com Description: Emergency Lighting Inverter User’s Manual...
  • Page 5 Power Manufacturer, and further agrees to surrender this document to Digital Signal Power Manufacturer when the reason for its receipt has terminated. © 2022 Digital Signal Power Manufacturer, Inc. - All rights reserved Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 6 Please be sure to follow the manufacturers instructions to ensure optimum performance of the equipment. This manual contains descriptions of all controls and indicators required to operate the DSPM Uninterruptible Power Supply. Please read this manual carefully and retain it for future reference.
  • Page 7 To expedite assistance if required, Please have the following information from your unit’s System Label (found on the right side and inside door panel) available: Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 8 A Note notice icon indicates when the user should make a reference of information re- NOTE: garding the UPS operation, load status and display status. Such information is essential if DSPM, Inc. field service assistance and correspondence is required. CAUTION! ENSURE THAT NO FLUIDS OR OTHER FOREIGN OBJECTS CAN ENTER THE INVERTER SYSTEM.
  • Page 9 SOME COMPONENTS WITHIN THE CABINETS ARE NOT CONNECTED TO CHASSIS GROUND. ANY CONTACT BE- TWEEN FLOATING CIRCUITS AND THE CHASSIS IS A LETHAL SHOCK HAZARD. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 10 HIGH SHORT CIRCUIT CURRENT AND PRESENT A RISK OF ELECTRICAL SHOCK. THE FOLLOWING PRECAUTIONS SHOULD BE OBSERVED WHEN WORKING ON BATTERIES: Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 11 FROM THE MAIN SUPPLY BEFORE INSTALLING AN INTERFACE SIGNAL CABLE. RECONNECT THE POWER ONLY AFTER SIGNALING INTERCONNECTIONS HAVE BEEN MADE DO NOT DISMANTLE THE EMERGENCY LIGHTING IN- VERTER SYSTEM. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 12 1. INTRODUCTION 1.1. GENERAL The principles of operation described herein are applicable to all models. The DSPM, Inc. Three Phase Emergency Lighting Inverters are manufactured to provide critical power for lighting during a power outage. The Three Phase Inverter meets or exceeds the life safety codes of UL924 and UL1778.
  • Page 13 The controlling CPU will signal the user via the unit’s display that the inverter has been turned-on. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 14 Contact the factory directly if you have any questions about powering unusual loads from your Fortress 3. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 15 The Input circuit breaker (MCCB) for protection of the UPS and cables are field supplied and field installed. (See WARN- ING 2 in section 1.0) Phone : 1.877.DSPM.POWER-1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Fax: 1.877.DSPM.POWER-1.877.377.6769 Date: 09/12/2022 Doc No.: 074-7001-00...
  • Page 16 1.6.B. MANUAL BYPASS OPERATION Refer to Figure 2. A Manual Bypass Switch is provided as a standard feature of the DSPM’s UPS. This switch is to bypass the inverter logic incase of failure, to enable the end user function until service can be performed. The advantage of this form of bypass is that the input filtering is still providing protection to the critical loads on the UPS.
  • Page 17 Rectifier. Figure 3 Single Line Drawings -AC Loss/Battery Operation Figure 3 Single Line Drawings -AC Loss/Battery Operation Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 18 Figure 4 Single Line Drawings –External Maintenance Bypass Operation Figure 4 Single Line Drawings –External Maintenance Bypass Operation Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 19 DSP/PWM Smart Battery Monitoring System is TEMPERATURE COMPENSATED maintaining maximum runtime and battery life 2.4.4. Microprocessor controlled recharge and DSP/PWM overcharge protection standard Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00...
  • Page 20 2.10.2. Phone assisted factory start-up standard for all systems 2.10.3. Extended warranty available Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00...
  • Page 21 2.11. SPECIAL APPLICATIONS 2.11.1. DSPM offers numerous UL924 optional devices to meet unusual or difficult application parameters 2.11.2. ECM - Environmental Circuit Module allows fixtures and lamps on the emergency circuit (s) to be operated by normal switching and/or dimming devices in NON-emergency conditions.
  • Page 22 Depending on the model and options ordered, there are several different displays, see Figures 6 for some of the available ones. Figure 6 Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 23 The following table is a list of possible faults that can be displayed on the LCD Display. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 24 Table 2 (cont.) Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00 Rev: NR Website: www.dspmanufacturing.com Website: www.dspmanufacturing.com Description: Emergency Lighting Inverter User’s Manual...
  • Page 25 Set the BATTERY, MAIN AC, AND RECTIFIER BREAKERs to the OFF position. 5.2.5. De-energize the input feeder breaker. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 26 CAPACITOR BANKS. ALWAYS OBSERVE BATTERY PRECAUTIONS WHEN OPERATING NEAR ANY BATTERIES. FAILURE TO OBSERVE THESE PRECAUTIONS COULD RESULT IN DEATH, INJURY OR DAMAGE TO EQUIPMENT. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 27 POWER TO THE UNIT. PROTECT YOURSELF FROM THE RISK ELECTROCUITION BY REFERRING SERVICE TO QUALIFIED PERSONNEL ONLY. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 28 Agreement, the batteries should be tested and measurement taken log in a Batteries Maintenance Log. Failure to maintain a valid batteries log could result in the voiding of all warranties. DSPM recommends the uses and downloading (from: www.DSPManufacturing.com or www.DSPMInc.net) of the Batteries Log 1. If you chose to use another log, the entries should contain the entries in our recommended log (Please refer to the Batteries Mainte- nance Log in this manual when maintaining your Batteries Log.).
  • Page 29 Serial Numbers for Batteries Located in the pouch with the Battery Layout Diagram, DSPM provides you with a numerated set of label (i.e., Bat- tery 1, Battery 2, … Battery 740) to affix to each battery that was purchased for your system. You can use these or establish your own system to identify individual batteries.
  • Page 30 6.4.4.V. Date The testing Technician should Date the signing of his/her signature in this cell. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00...
  • Page 31 XXXXX Result： No problem/s found. Jo hn Do e Date: 11/28/2012 Technician: Log 1 Phone : 1.877.DSPM.POWER-1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Fax: 1.877.DSPM.POWER-1.877.377.6769 Date: 09/12/2022 Doc No.: 074-7001-00 Website: www.dspmanufacturing.com Description: Emergency Lighting Inverter Maintenance Manual E-Mail: techsupport@dspmanufacturing.com...
  • Page 32 Result： No problem/s found. Jo hn Do e Date: 11/28/2012 Technician: Log 1 Cont. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00...
  • Page 33 2. The words “enter password” will appear at the top of the display and a “P” will appear in the lower right hand corner.You are now in Password Mode. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 34 Secure cabinet doors; your system is back on line. Report any abnormalities observed in test in the “Results” section below. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 35 CIRCUIT BREAKER INDICATES A SERIOUS PROBLEM THAT MAY RESULT IN SERIOUS INJURY OR DAMAGE TO THE EQUIPMENT IF CIRCUIT BREAKER IS CLOSED WITHOUT KNOWING WHY IT FAILED. CHECK FOR SHORTS IN BATTERY OR CALL DSPM CUSTOMER SERVICE AND SUPPORT FOR ASSISTANCE. WARNING! THE BATTERY ELECTROLYTE IS A DILUTED SULFURIC ACID THAT IS HARMFUL TO THE SKIN AND EYES.
  • Page 36 (CB1) is turned on. Disconnect charging source prior to connecting or disconnecting battery terminals. For the best results, charge the battery for 24 hours after they are hooked up and the ELI is brought on line. Phone : 1.877.DSPM.POWER-1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Fax: 1.877.DSPM.POWER-1.877.377.6769 Date: 09/12/2022 Doc No.: 074-7001-00...
  • Page 37 The DSPM difference is the patented ECM which is connected to selected fixtures and/or lamps which allows normal operating parameters to be maintained. In the event of an AC power outage, the fixtures, lamps and/or loads connect- ed to the ECM will continue or immediately begin operating at full-light output for a maximum of 90 minutes (or other run time as required by UL924 egress codes).
  • Page 38 DSPM will remain at the cutting edge of technology and convenience by having FAX as an option on its power supplies. The FAX will be able to send emails to interested parties when a problem with the power supply occurs.
  • Page 39 DSPM will remain at the cutting edge of technology and convenience by having MB as an option on its power supplies. Our lighting inverter are programmed to “talk Modbus”. DSPM’s lighting inverters respond to commands send through TCP Modbus.
  • Page 40 ✽ This coverage can be performed as an On-Site Startup Service for any DSPM product. ✽ All parts and labor to repair if NOT covered under a current Warranty or Service Plan and will be billed from DSPM current rates unless covered by a current warranty or service plan.
  • Page 41 ✽ This plan covers all replacement parts and labor including travel time and expenses for all emergency calls to ser- vice the unit. All service calls will be made Seven (7) days a week exception of the DSPM’s designated holidays.
  • Page 42 ✽ If the Customer requests remedial maintenance or preventive maintenance outside of the contracted coverage, DSPM will provide this service. This service will be charged to the Customer at DSPM’s standard hourly rates in effect at the time of the service, and will be subject to an available field engineer.
  • Page 43 DSPM will provide the maintenance and testing for the batteries at DSPM’s the hourly rates in effect for DSPM. DSPM unless specified otherwise, will NOT provide Battery replacements but will assist the customer in the re- placement of the batteries through the battery manufacturers warranty.
  • Page 44 Must be purchased during an active original factory warranty, during an active Extended Warranty, during an active Service Contract, or After a CI with DSPM Management approval. Multiple Unit discount for more then one unit at a single location only, and startups are all at the same time.
  • Page 45 8.1. FIGURES AND TABLES Figure 15a Figure 8a Figure 15b Figure 8b Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00...
  • Page 46 When insulated grip tools are not available, a method for insulating grips on tools that we use at DSPM using Plasti Dip by Performix is illustrated in Figures 9a-f. The illustration is only an example of how to insulate your tools, i.e. you may want to insulate the open end of the wrench.
  • Page 47 Figure 10 Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00 Rev: NR Website: www.dspmanufacturing.com Website: www.dspmanufacturing.com Description: Emergency Lighting Inverter User’s Manual...
  • Page 48 Figure 11 Phone : 1.877.DSPM.POWER-1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Fax: 1.877.DSPM.POWER-1.877.377.6769 Date: 09/12/2022 Doc No.: 074-7001-00 Website: www.dspmanufacturing.com Description: Emergency Lighting Inverter Maintenance Manual E-Mail: techsupport@dspmanufacturing.com...
  • Page 49 The start-up date will be determined only from the completed inspection and start-up sheet provided DSPM to User. The product shipment date will be determined only from the DSPM bill of lading. If any part or portion of the DSPM product fails to conform to the Warranty within the Warranty period, DSPM, at its option, will furnish new or factory remanufactured products for repair or replacement of that portion or part and reinstall the replacement product.
  • Page 50 Drawings, Descriptions: DSPM warrants for the period and on the terms of the Warranty set forth herein that the covered product will conform to the descriptions contained in the certified drawings, if any, applicable thereto, to DSPM final invoices, and to applicable DSPM product brochures and manuals published as of the date of product shipment (“Descriptions”).
  • Page 51 With respect to non-Warranty VRLA Batteries procured by DSPM for Users, DSPM makes NO REPRESENTATIONS as to the effectiveness or extent of warranties that may be assigned to Users for such non-Warranty VRLA Batteries. DSPM assumes NO RESPONSIBILITY for any matters that may be warranted by manufacturers or suppliers of non-Warranty VRLA Batteries and extends no coverage under this Warranty to such non-Warranty VRLA Batteries.
  • Page 52 TRACT, NEGLIGENCE, STRICT LIABILITY, TORT, OR OTHERWISE. Miscellaneous: NO SALESPERSON, EMPLOYEE OR AGENT OF DSPM IS AUTHORIZED TO ADD TO OR VARY THE TERMS OF THIS WARRANTY. WARRANTY TERMS MAY BE MODIFIED, IF AT ALL, ONLY IN WRITING AND SIGNED BY A DSPM OFFICIAL.
  • Page 53 The warranty does not apply to batteries used in cycle applications. Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : Phone : 1.877.DSPM.POWER 1.877.DSPM.POWER 1.877.377.6769 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: Fax: 909.930.3335 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02...
  • Page 54 8.3. 8.3. NOTES Phone : 1.877.DSPM.POWER-1.877.377.6769 Phone : 1.877.DSPM.POWER 1.877.377.6769 Title: Fortress 3 480 or 480Y/277Vac Rev: A Title: Micro Fax: 1.877.DSPM.POWER-1.877.377.6769 Fax: 909.930.3335 Date: 09/12/2022 Doc No.: 018-1000-02 Doc No.: 074-7001-00 Rev: NR Website: www.dspmanufacturing.com Website: www.dspmanufacturing.com Description: Emergency Lighting Inverter User’s Manual...

This manual is also suitable for:

Fortress 3 480y/277v