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Milpower Source M359-3 User Manual

3-phase-in, 1-phase-out 2.0kw/2.5kva
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UNINTERRUPTIBLE POWER SUPPLY
3-PHASE-IN, 1-PHASE-OUT
Milpower Source
7 Field Lane
Belmont, NH 03220
Phone: (603) 267-7355
www.milpower.com
E-mail: sales@mps.com
MPS Doc: M359-3_USER_MANUAL
Milpower Source
M359-3
MADE IN THE U.S.A
USER'S MANUAL
Rev (-)
2.0KW/2.5KVA
Milpower Source West Coast Sales Office
Dave Hall
1498 Linda Vista Ave.
Pasadena, CA 91103
Phone: 626-304-9620
Fax: 626-796-1415
E-mail: dmhall@pacbell.net
April 10, 2018
Page 1 of 25

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  • Page 1 M359-3 UNINTERRUPTIBLE POWER SUPPLY 3-PHASE-IN, 1-PHASE-OUT 2.0KW/2.5KVA MADE IN THE U.S.A USER’S MANUAL Milpower Source Milpower Source West Coast Sales Office 7 Field Lane Dave Hall Belmont, NH 03220 1498 Linda Vista Ave. Phone: (603) 267-7355 Pasadena, CA 91103 www.milpower.com Phone: 626-304-9620 E-mail: sales@mps.com...

  • Page 2: Table Of Contents

    General Description Intended Application Functional Overview Electrical Installation Instructions Front Panel Description Front panel: Main Components Front Panel: Indicators and Controls Rear Panel Description Operating the M359-3 General Modes of Operation 5.2.1 UPS Mode 5.2.2 Off State 5.2.3 Stand-By Mode 5.2.4...

  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS ➢ The M359-3 and its Battery Pack should not be tampered with by unauthorized personnel. Tampering with the M359-3 or its Battery Pack, or using them in any other way but their intended application, may result in a severe safety hazard.

  • Page 4: General Description

    MIL-STD-1399 (Section 300) and is specifically designed to meet the harsh military shipboard environment. The high reliability and ruggedness of the M359-3 make it an excellent choice not only for military shipboard applications, but for critical shore-based applications as well.
  • Page 5 Prime source that feeds the M359-3. Overloading the UPS output will not result in an overload on the prime AC source that feeds the M359-3. The Control Circuit is a microcontroller-based circuit that provides monitoring of the unit’s status (battery charge, load level, input and output levels, etc.) and supports the...

  • Page 6: M359-3 Block Diagram

    RELAYS’ BATTERY CONTROL REMOTE CHARGER CNTL SWITCHES From Front-panel Switches 132 VDC RS-232 CONTROL BATTERY DRY CONTACTS & PACK MONITOR ETHERNET SNMP (Optional) Figure 1: M359-3 Block Diagram MPS Doc: M359-3_USER_MANUAL Rev (-) April 10, 2018 Page 6 of 25...

  • Page 7: Electrical Installation Instructions

    ✓ Before installing the unit, please read carefully the Safety Instructions at the beginning of this manual. ✓ Make sure that all the switches on the M359-3 front panel are in the OFF position. ✓ Verify that the Plug-in Battery Pack is properly installed and secured (see Paragraph 6.3).

  • Page 8: Electrical Connections

    Phase 1 Input PWR UPS Input 115VAC (3-Ph, Delta) Connector Shipboard Power, from Phase 2 Input PWR MS3452W20-4P a protected outlet. Phase 3 Input PWR Chassis Ground 115VAC Out (Hot) UPS Output 115VAC Out (Neutral) 115VAC, 1-Ph Output Connector to Equipment MS3452W20-22S Chassis Ground Grounding Bolt...

  • Page 9: Front Panel Description

    3. Front Panel Description 3.1. Front Panel: Main Components (Figure 3) 1. Visual Indicators and Controls (for detailed view see Figure 4) 2. Power On/Off Switch. 3. Air filter captive screw. 4. Removable air filter (Air Inlet). 5. Serial Number and Date Code of Battery Pack. 6.

  • Page 10: Front Panel: Indicators And Controls

    3.2. Front Panel: Indicators and Controls (Figure 4) 13. LOAD LEVEL Bar Graph (marked in %, 100% = 2,000W). 14. LOW BATT Warning LED (blinking yellow). 15. ALARM OFF Push-button. Note: This button can be used to manually force the Batt Charge Level to 20%. 16.

  • Page 11: Rear Panel Description

    4. Rear Panel Description (Figure 5) Left side Bushing (mating pins are supplied with the unit). Cooling fan (air outlet). Dry Contacts Connector J3 (see Paragraph 7.2 for pin-out description). Remote ON/OFF connector J4 (see Paragraph 7.4 for pin-out description). RS-232 Connector J5 (see Paragraph 7.3 for pin-out description).

  • Page 12: Operating The M359-3

    Test Mode. These modes are described below. 5.2.1. UPS Mode. This is the normal operating mode of the M359-3. In the UPS Mode all of the UPS functions are enabled and the AC Output is a clean, regulated and protected, 115Vac/60Hz power, generated by the M359-3 DC-to-AC Inverter.

  • Page 13: Stand-By Mode

    Paragraph 5.1 above, should be installed on J4). Please note that the M359-3 will turn On only if AC Input is available. The M359-3 will remain On (using Battery power) if AC input fails, but it will not start on Battery power alone.

  • Page 14: Input On/Off Switch

    5.4. Remote Control (Using the Remote Switches). In order to control the M359-3 by the remote switch (via the connector J4 on the rear panel), the three front panel switches (2, 7 and 8) should be in the upper position. The recommended connection of the remote switches is described in Para.
  • Page 15 5.5.4. LOW BATT Warning LED (14) When the M359-3 is operating in the UPS mode, and the Battery Charge level drops below 35%, the yellow LOW BATT Warning LED (14) will start blinking, warning the user that the Battery Level is low.

  • Page 16: Ups Response To Input Ac Failure

    Note: When this button if depressed for more than 10 seconds will set the Batt Charge Level Indicator to 20% (used during the Manufacturer’s In-Process testing). Due to the On-line topology of the M359-3 (see figure 1), the output voltage is always generated by the DC-to-AC Inverter, regardless of the prime power source. Hence, the transition between AC Input to Battery Power and backward, is seamless.

  • Page 17: Ups Response To Overload Condition

    The Overload Protection circuit of the M359-3 monitors the real output power into the load (in Watts). If the output power exceeds the rating of the M359-3 (2KW) a timer is started and if the Overload condition persists, the UPS output will shut down. The allowed overload duration before the UPS Outputs shuts down depend on the depth of the overload.

  • Page 18: Output Short Circuit Current Waveform

    Output Voltage (100V/Div) Output Current (25Amp/Div) ~1 Sec Figure 6: Output Short Circuit Shutdown +45mp -45Amp Figure 7: Output Short Circuit Current Waveform MPS Doc: M359-3_USER_MANUAL Rev (-) April 10, 2018 Page 18 of 25...

  • Page 19: Ups Response To Overtemperature Condition

    Output Voltage (100V/Div) Output Current (50Amp/Div) 3 Seconds Figure 8: Overload (3KW) Shutdown 5.8. UPS Response to Overtemperature Condition When the internal hot-spot temperature of the UPS exceeds a preset level (+94 C), the yellow O. TEMP Warning LED (23) will start blinking and an audible alarm will sound at one second intervals, 50% duty cycle.

  • Page 20: Maintaining The M359-3

    Charge-Discharge Cycles 6.2.1. Temperature The battery used in the M359-3 is sealed and does not “dry up” or lose gasses, but its end of service life is brought about by the gradual corrosion of the electrodes. This process is highly accelerated by high operating temperatures. Every 10°C rise above 20°C will reduce the battery service life by half.

  • Page 21: Replacing The Battery Pack

    Battery life. 6.3. Replacing the Battery Pack The M359-3 uses a Plug-in, Hot-swap, Battery Pack (MPS P/N M359380-1 or -5) that may be ordered separately. Caution! The Battery Pack is an integral part of the M359-3 structure. Unless the M359-3 is in storage, it should never be left for more than a few minutes without a Battery Pack properly installed.

  • Page 22: Air Filter Maintenance

    7. Communication and Remote Control 7.1. Ethernet SNMP (Optional) An optional Ethernet SNMP port is available through the J4 (37) connector on the M359-3 back panel. If this option is used, then the RS-232 Connector (J5) serves only as Consol and is a DCE (the Standard UPS RS-232 is a DTE).
  • Page 23 Connector J3 Pin Assignment DESCRIPTION NOTES Fault Detect Signal Low Fault Detect Signal High Remote Shutdown Not Battery Operation System Common Ground N.C. Battery Voltage Low UPS On Input Power Loss, Battery operation Notes: Pin 1 will be shorted to pin 2 when any one of the following conditions occurs: an Over Temperature Condition, a Battery Failure, a Charger Failure, an Internal UPS Controller Failure.

  • Page 24: Rs-232 Serial Interface

    When Pin 8 (the remote PWR ON/OFF pin) is connected to the Common Signals Return, the M359-3 is enabled. Opening Pin 8 will disable the M359-3 (opening all internal relays and removing power from the Output) regardless of any other control or switch.

  • Page 25: Remote Switches Connections

    Remote PWR ON/OFF M359-3 Rear Panel RMT PWR D-Type-15S Note: Pins 3, 4 and 5 are connected in parallel internal to the M359-3. One or all may be used, as convenient. Figure 10: Remote Switch Connections MPS Doc: M359-3_USER_MANUAL Rev (-)

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