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Alpha Technologies Novus P1250 Operator's Manual

Uninterruptible power supplies
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Operator's Manual
Novus P1250 and 1250T
U N I N T E R R U P T I B L E
From
Alpha
Technologies
P O W E R
S U P P L I E S

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Summary of Contents for Alpha Technologies Novus P1250

  • Page 1 Operator’s Manual Novus P1250 and 1250T U N I N T E R R U P T I B L E P O W E R S U P P L I E S From Alpha Technologies...

  • Page 2: Important Safety Instructions

    THE ALPHA NOVUS P1250 AND 1250T IMPORTANT SAFETY INSTRUCTIONS ARE CONTAINED IN THIS MANUAL CAUTION RISK OF ELECTRICAL SHOCK CAUTION: To reduce the risk of electrical shock and for the safe use of the Novus P1250 and 1250T UPS’s, the following symbols are placed throughout this manual.

  • Page 3: Important Safety Precautions

    THE ALPHA NOVUS P1250 AND 1250T IMPORTANT SAFETY PRECAUTIONS Novus 1250T and P1250 UPS Safety Checklist Only qualified personnel should service the UPS. Carefully unpack the UPS and report any shipping damage at once. Read this operator’s manual. If you have any questions about safe installation, operation or maintenance, contact Alpha Technologies.

  • Page 4: Battery Safety Checklist

    THE ALPHA NOVUS P1250 AND 1250T IMPORTANT SAFETY PRECAUTIONS Battery Safety Checklist DANGER: The batteries have high energy and chemical hazards. The battery compartment contains dangerous voltages. Read this manual for safe battery handling, maintenance and disposal instructions. Battery servicing should be done or supervised by personnel trained in handling of batteries and the required precautions.
  • Page 5 THE ALPHA NOVUS P1250 AND 1250T IMPORTANT SAFETY PRECAUTIONS Battery Compartment Safety Checklist DANGER: The batteries are a shock risk. Observe these precau- tions: NOTE: The UPS is not turned off by turning the Battery Circuit Breaker OFF. Never let the front enclosure touch the battery terminals. A lethal shock can result.
  • Page 6 NOVUS P1250, 1250T QUICK INSTALLION GUIDE NOTE: The installer must know the safety instructions, the installation, set–up and operating procedures in this manual before proceeding. DANGER: To reduce the risk of fire and shock hazards, do not expose this UPS to rain or moisture.
  • Page 7 7. EMERGENCY SHUTDOWN EMERGENCY SHUTDOWN PROCEDURE Open the enclosure. Switch the battery circuit breaker OFF. Switch the input Switch the input circuit breaker circuit breaker on on the terminal the terminal block block OFF. OFF. Turn the line circuit breaker OFF. The NOVUS UPS contains more than one live circuit.

  • Page 8: Table Of Contents

    THE ALPHA NOVUS P1250 AND 1250T TABLE OF CONTENTS 1. INTRODUCTION ............1 1.1 The Alpha Advantage ..............2 1.2 Unpacking and Inspection Checklist ......... 2 1.3 A Tour of the Alpha P1250 and 1250T ........4 1.3.1 Enclosure ............... 4 1.3.2 Interior ................
  • Page 9 THE ALPHA NOVUS P1250 AND 1250T TABLE OF CONTENTS 4. COMMUNICATION ............. 42 4.1 RS–232 Interface Port ............43 4.1.1 Wiring ................43 4.1.2 Software Set Up ............44 4.1.2.1 Terminal Emulation Set Up ............. 4.1.2.1 Communication Parameters ..........4.2 Main Menu ................45 4.3 Sub Menus ................

  • Page 10: Introduction

    Section One Introduction This section introduces you to the Novus P1250 and 1250T Uninterruptible Power Supplies (UPS): • An unpacking checklist (Section 1.2) • A description of its various panels, connections and switches (Sections 1.3) • A description of the P1250 terminal block (Section 1.4)

  • Page 11: The Alpha Advantage

    1. INTRODUCTION 1.1 The Alpha Advantage Advanced Power Protection Technology Alpha's Novus P1250 and 1250T Uninterruptible Power Supply (UPS) provides continuous, conditioned, AC power. The enclosure protects it from the weather for safe mounting for almost anyplace where power is needed.
  • Page 12 1. INTRODUCTION 1.2 Unpacking and Inspection Checklist NOTE: If anything is damaged or missing, contact Alpha Technologies and the shipping company at once. Most shipping companies have only a short claim period. Save the Original Shipping Container If the UPS needs to be returned for service, package it in its original shipping container.

  • Page 13: A Tour Of The Alpha P1250 And 1250T

    1. INTRODUCTION 1.3 A Tour of the Alpha P1250 and 1250T Purpose: Describes various features of the P1250 and 1250T UPS's NOTE: This UPS is available in P1250 and 1250T models. Most of the information in this manual applies to both and it is called the “UPS.” Where there are specific instructions for a particular model, the model name is used.

  • Page 14: Interior

    This connects the UPS to the host computer for remote servicing, control and calibration. More information is given in Section 4. The serial cable is available from Alpha Technologies: • 870–540–21, Cable assembly, Nexsys PC, RS–232, DE–9 Male to DB–25 Female.
  • Page 15 1. INTRODUCTION 1.3 A Tour of the Alpha P1250 and 1250T Enclosure Attachment Screws These three screws attach the rear enclosure to the mounting bracket. Internal Fan This hot swappable fan (Section 5.2) controls the UPS's internal temperature for optimum performance. Battery Pack Attachment Screw This screw secures the battery pack to the shelf.
  • Page 16 1. INTRODUCTION 1.3 A Tour of the Alpha P1250 and 1250T Figure 1.2 Shelf (1250T Version Shown)

  • Page 17: P1250 Terminal Block

    1. INTRODUCTION 1.4 P1250 Terminal Block Purpose: Describes the P1250 terminal block (Figures 1.3, 1.4). External Alarm Terminal Block An external alarm panel can be connected to this terminal block to display a low battery warning. The operator supplies the panel. The operating diagram is shown in Figure 1.4.

  • Page 18: 1250T Terminal Block

    1. INTRODUCTION 1.4 P1250 Terminal Block P1250 Interior Microprocessor Low battery warning contacts close on alarm Note: The Maximum contact rating is 0.6 Amp at 125 VAC or 110 VDC Figure 1.4 Low Battery External Alarm Terminal Block Operating Diagram 1.5 1250T Terminal Block Purpose: Describes the 1250T terminal block (Figures 1.5, 1.6).
  • Page 19 1. INTRODUCTION 1.5 1250T Terminal Block Surge Suppressors Two Alpha LAP Plus surge suppressors are factory installed on the terminal block. One protects against surges caused by lightning strikes on the utility line and the other does the same on the load side. Input Terminal Block This terminal block connects the 1250T to line power.
  • Page 20 1. INTRODUCTION 1.5 1250T Terminal Block 1250T Interior Service Alarm Contacts close Low Battery Microprocessor on alarm Warning On Battery To start the self test, short these contacts. The user provides the switch. Figure 1.6 External Alarm Terminal Block Wiring Diagram...

  • Page 21: Installation

    Section Two Installation This section tells you how to install and wire the UPS: • A pre–installation checklist (Section 2.1) • How to wall mount (Section 2.2) • How to pedestal mount (Section 2.3) • How to wire the UPS (Section 2.4)

  • Page 22: Pre-Installation Checklist

    Pedestal Mounting: The pedestal mounts to a concrete pad, floor, or other horizontal surface and is ordered separately from Alpha Technologies. It is secured with three inch–20 bolts or bolts /studs embedded into a concrete pad or threaded inserts.

  • Page 23: Wall Mounting

    2. INSTALLATION 2.2 Wall Mounting PURPOSE: Describes how to wall or host mount the UPS (Figures 2.1, 2.2, 2.3, 2.4). DANGER: Read the safety instructions in the introduction of this manual. WARNING: The rain–proof Type 3R enclosure provides weather protection in normal operating conditions. Where there is a risk of snow buildup or flooding, mount the UPS as high as possible.
  • Page 24 2. INSTALLATION 2.2 Wall Mounting Nuts are Mount the bracket with the two inch bolts in mounted the mounting kit. inside the Drill holes for the electrical conduits in the host host cabinet. Clean away any metal filings from inside equipment the host and around the holes.
  • Page 25 2. INSTALLATION 2.2 Wall Mounting Screw the enclosure's top to the bracket with inch bolts. Screw the enclosure's bottom to the bracket with a inch bolt. Install conduits and wires for connecting the UPS to the host’s electrical connections. Figure 2.4 Attaching the UPS to the Bracket STEP 3: Connecting the UPS Connect the UPS (Section 2.4).

  • Page 26: Pedestal Mounting

    –20 bolts/studs with plain washers to attach the mounting bracket to the slab. If the pedestal sits on a concrete slab, anchor inserts should be used. These are not supplied by Alpha Technologies. Procedure STEP 1: Attach the Mounting Bracket to the Concrete Slab...
  • Page 27 2. INSTALLATION 2.3 Pedestal Mounting Mount the bracket with three, –20 bolts /studs. Install electrical conduits between the UPS and the host equipment. If a control or communica- tions signal is connected, a separate conduit is used. Figure 2.6 Mounting the Bracket onto the Floor STEP 2: Attach the UPS to the Pedestal DANGER: Turn the battery breaker OFF.
  • Page 28 2. INSTALLATION 2.3 Pedestal Mounting STEP 3: Connecting the UPS Attach the pedestal front to the rear with the two attachment screws. Connect the UPS (Section 2.4). Start and test the UPS (Section 3.2). Connect the nylon rope and the ground wire on the rear enclosure to the front enclosure.

  • Page 29: Wiring The Ups

    Then install the inch conduits (Which are not provided by Alpha Technologies). Total Earth ground leakage of the loads connected to the UPS are not to exceed 3.1 mA. Procedure Switch OFF: •...
  • Page 30 2. INSTALLATION 2.4 Wiring the UPS Locate the output terminals of the host equipment. Remove the supply wires from the equipment and route them to the UPS's input terminal block. Do not connect these wires. NOTE: Any heater wiring in the host equipment should not receive its power from the UPS since this can cause a system failure.
  • Page 31 2. INSTALLATION 2.4 Wiring the UPS Three, 1/2 inch conduit connectors. 1250T output. Use Wires to external #18 to #16 AWG alarm panel. If wire. required, use #18 AWG wire. Utility line power to 1250T input terminal block. Use a minimum of #14 AWG wire.

  • Page 32: Operation

    Section Three Operation This section tells you how to start, test and operate the UPS: • The UPS's operating modes (Section 3.1) • Starting and testing procedures (Section 3.2) • Shut down procedures (Section 3.3) • Self test procedures (Section 3.4) •...

  • Page 33: Operating Modes Quick Reference Guide

    3 OPERATION 3.1 Operating Modes Quick Reference Guide PURPOSE: Briefly describes the UPS's operating modes. NOTE: This is a quick reference only. Detailed information is presented in the rest of Section 3. The UPS's current operating mode is automatically shown on the Display and Control Panel's LEDs.

  • Page 34: Self Test

    3 OPERATION 3.1 Operating Modes Quick Reference Guide FAULT AND ALARM LEDs (Section 3.5): When the Fault (110%) LED is ON, the UPS has a FAULT, a problem that can cause an immediate shutdown. FAULT When it FLASHING, the UPS has an ALARM, a problem not serious enough to cause an immediate shutdown.

  • Page 35: Starting And Testing The Ups

    3 OPERATION 3.2 Starting and Testing the UPS PURPOSE: Describes how to start and test the UPS after installation or maintenance. NOTE: Before starting, compare the nameplates of the UPS and the load(s) to make sure they do not draw more power than the UPS provides. Procedure STEP 1: Before Starting, turn OFF: •...

  • Page 36: Shutting Down The Ups

    3 OPERATION 3.2 Starting and Testing the UPS STEP 4: Turn On the Loads One at a time, turn ON the output circuit breakers on the terminal block to supply power to the loads. After each load is turned on, press the "% Load" button to see how much power is drawn (Section 3.6.3).

  • Page 37: Self Test

    3 OPERATION 3.4 Self Test PURPOSE: Describes the UPS's self test. The self test confirms the UPS can transfer into and out of On Battery mode while supporting the loads. It takes about one minute to run. NOTE: It should not be done when critical loads are running. Start the On Do Not Proceed...

  • Page 38: Troubleshooting

    3 OPERATION 3.5 Troubleshooting PURPOSE: Describes the UPS's troubleshooting procedure Start LED ON LED OFF FAULT the FAULT (110%) LED ON or FLASHING? ALARM LED FLASHING Simultaneously press the % Load and % Batt buttons for 1 second. The LEDs now show * * * * * a fault code which is read out on Figure...
  • Page 39 * * * * * Figure 3.1 A hardware problem. Contact Alpha Technologies Fault Code Table...
  • Page 40 3 OPERATION 3.5 Troubleshooting The definitions in Figure 3.2 are used in Figure 3.1. x i f r i c e t i a t l e i f a t l e i f a t l e i f e i f e i f n i l...
  • Page 41 3 OPERATION 3.5 Troubleshooting Resetting the UPS after troubleshooting When the operator has fixed the fault, pushing the Test button resets the UPS, clearing the fault from the panel and it goes into one of the modes in Figure 3.3. If the fault is not fixed, the fault code reappears.

  • Page 42: Front Panel Indicators And Controls

    3 OPERATION 3.6 Front Panel Indicators and Controls PURPOSE: Describes how to operate the UPS with the Display and Control Panel (Figure 3.4). The LEDs show what mode it is in and are used for troubleshooting. They automati- cally change to show the UPS's status. The Test, % Batt and % Load buttons are pressed to activate various functions.

  • Page 43: On Line And On Battery Leds

    3 OPERATION 3.6.1 On Line and On Battery LEDs PURPOSE: Describes how the On Line, On Battery and Boost modes appear on the LEDs. On Line Mode: The 25% (On Line) LED is ON. Line voltage is between 88% to 113% of rated voltage and the UPS is operating normally with line power provided to the loads.

  • Page 44: Low Battery Led

    3 OPERATION 3.6.2 Low Battery LED PURPOSE: Describes how the Low Battery LED warns of a discharged battery. Discharged Battery: When the 75% (Low Battery) LED is ON, the battery is discharged. If the UPS is in On Battery mode, it will shut down in a few minutes, depending on the size of the load.

  • Page 45: Percentage Power Indicator

    3 OPERATION 3.6.3 Percentage Power Indicator PURPOSE: Describes how the LEDs show the UPS's power output. Start Press the % load button for 1 second. The LEDs become a power meter showing the UPS's approximate power output. Example: = 75% of maximum output power WARNING: The UPS can be operated at any value up to 100%, but do NOT run it when the 110% LED is ON.

  • Page 46: Battery Charge Indicator

    3 OPERATION 3.6.4 Battery Charge Indicator PURPOSE: Describes how the LEDs show the % battery charge. Start Press the % Batt button for 1 second. The LEDs become a battery meter showing the battery's approxi- mate charge. Example: = Batteries are 100% charged.

  • Page 47: Test/Manual Start Button

    3 OPERATION 3.6.5 Test/Manual Start Button PURPOSE: Describes the two functions of the test button. 3.5.6.1 Test: In On Line mode, pressing down it down for seven seconds starts the self test (Section 3.4). 3.5.6.2 Manual Start: If the LEDs are sequentially flashing (Section 3.6.6), pressing it down for one second switches the UPS into On Battery mode.

  • Page 48: Hot Swap Mode

    3 OPERATION 3.6.7 Hot Swap Mode PURPOSE: Describes how to change the batteries without shutting off the UPS or the loads. WARNING: Battery changing should not be done if there are critical loads running depending on the UPS's backup power. Start Is the UPS in Do Not Proceed...

  • Page 49: Generator Mode

    3 OPERATION 3.6.8 Generator Mode PURPOSE: Describes how to change the internal parameters from normal to generator. NOTE: Changing parameters may make the UPS less sensitive to a noisy utility line. If it constantly switches back and forth from On Line to On Battery mode when Normal parameters are used, it may stop doing this when switched to Generator parameters.

  • Page 50: Low Battery Mode States

    3 OPERATION 3.7 Low Battery Mode States The On Battery mode goes through three different states as the battery discharges (Figure 3.6). 1 Low Battery Warning Fully Charged (55V) 2 Low Battery Shutdown 3 Low Battery Disconnect Discharged (41V) Low Batt. LEDs On Batt.

  • Page 51: Communication

    Section Four Communication This section tells you how to remotely monitor and control the UPS with RS–232 ASCII commands: • Hardware and software setup of the RS–232 port (Section 4.1) • Describes the Main Menu (Section 4.2) • Describes the Sub Menus (Section 4.3) •...

  • Page 52: Rs-232 Interface Port

    RS–232 ASCII commands. 4.1.1 Wiring (Figures 4.1, 4.2) Alpha Technologies offers a cable for connecting a PC’s RS–232 port to the UPS’s serial interface. PINS 1 to 6 are not connected. PIN 7: Tx, RS–232 Transmit. PIN 8: Rx, RS–232 Receive.

  • Page 53: Software Set Up

    4. COMMUNICATION RS–232 Interface Port 4.1.2 Software Set Up (Figures 4.3, 4.4) 4.1.2.1 Terminal Emulation Set Up With Windows 3.1, 95/98, or a terminal emulation package like Procomm, use the set up in Figure 4.3. In Windows 3.1, click on the Terminal icon. In Windows 95/98 the path is Start/ Programs/Accessories/Communications/Hyperterminal.

  • Page 54: Main Menu

    Enter. It displays the sub menu numbers, the line voltage status, the UPS's output status and any faults or alarms present. To go to a particular sub menu, type its number and press Enter. Alpha Technologies-[ Name of Unit] [ 0-Main Menu] 1 Unit Specification...
  • Page 55 4. COMMUNICATION 4.2 Main Menu . l a o i t a t l a t l a t l Figure 4.6 Line Status Displays n i t t l u n i l Figure 4.7 Output Status Displays...
  • Page 56 4. COMMUNICATION 4.2 Main Menu c r i t i u a t l a t l a t l e l l Figure 4.8 Fault Displays a t l P l l P l l P l l P l l e l i Figure 4.9 Alarm Displays...

  • Page 57: Sub Menus

    4. COMMUNICATION 4.3 Sub Menus PURPOSE: Describes the various items in the RS–232 submenus. 4.3.1 RS–232 Menu Tree The RS–232 menu tree is shown in Figure 4.10. 0–MAIN MENU 1–UNIT SPECIFICATIONS 2–INPUT/OUTPUT VALUES 3–MAINTENANCE SPECIFICATIONS 30 Set Battery Test Period 300 Set Battery Test Period 301 Battery Test ON/OFF 31 Output Shutdown...

  • Page 58: Unit Specifications

    4. COMMUNICATION 4.3.2 Unit Specifications The Unit Specifications menu displays its specifications as shown in Figure 4.11. At the main menu, type 1 and press Enter. n i l a t l s t l a t l s t l s t l a t l Examples: 60 Hertz;...

  • Page 59: Unit Input/Output Values

    4. COMMUNICATION 4.3.3 Unit Input/Output Values The UPS's Input / Output Values menu displays its input and output values as shown in Figure 4.12. At the main menu, type 2 and press Enter. a t l n i l s t l n i l a t l s t l...

  • Page 60: Maintenance Specifications

    4. COMMUNICATION 4.3.4 Maintenance Specifications The Maintenance Specifications menu displays its maintenance options as shown in Figure 4.13. At the main menu, type 3 and press Enter. f l e . t s o i t h t i t l u n i t n i t h t i...

  • Page 61: Password Change Procedure

    4. COMMUNICATION 4.3.4 Maintenance Specifications 4.3.4.1 Password Change Procedure: Type the current password and press Enter. The words “Enter New Password” appears on the screen. Type the new password and press Enter. NOTE: The password is four numbers (numbers only, no letters) long. The words “Re–enter New Password”...

  • Page 62: Line Slow Detection Set-Up

    CAUTION: Improper parameter values can cause permanent damage, and they must only be changed by well trained personnel. They are relative numbers that only make sense when viewed through the UPS’s control system. Contact Alpha Technologies before making any adjust- ment. 4.3.5.1 Parameter Change Procedure (Figure 4.14): Go to the screen of the parameter to be changed.
  • Page 63 4. COMMUNICATION 4.3.5 Line Slow Detection Set–Up 40 Slow Detect Hi Lmt Decreasing this makes the UPS more sensitive to an overvoltage condition by lowering the overvoltage detection level. Factory Default Settings NOTE: The Slow Detect Hi Hyst parameter (42) should be adjusted by the same % of rated line input voltage On Battery Mode...

  • Page 64: How To Work With Menus

    4. COMMUNICATION 4.4 How To Work With Menus This example shows how to change the Battery Test Options. The rest of the menus are changed the same way. At the main menu (Figure 4.5), type 3 and press Enter. The Maintenance Menu (Figure 4.16) appears. [ 0-MAIN MENU] [3-MAINTENANCE] 30 Battery Test Options (available in Line Mode)
  • Page 65 4. COMMUNICATION 4.4 How To Work With Menus To change the battery test period, type 300 and press Enter. The words "Enter password" appear on the screen. Type the password and press Enter. If the wrong password is typed in, the screen displays “Error in entering data...please try again.”...

  • Page 66: Maintenance

    Section Five Maintenance This section tells you how to maintain the UPS: • How to measure the battery's available back up time (Section 5.1) • How to change the fan (Section 5.2) • How to change the battery pack (Section 5.3) •...

  • Page 67: Run Time Testing

    5 MAINTENANCE 5.1 Run Time Testing PURPOSE: Describes how to measure the battery's backup time. This test determines how long the battery can provide backup power, and it should be done at least once a year. It is load–dependant so it takes from several minutes to many hours to carry out.
  • Page 68 5 MAINTENANCE 5.1 Run Time Testing Run Time Testing (Continued) Shutdown Mode Time Let the UPS go into shutdown mode (LEDs are sequen- tially flashing). Record the time this happens Subtract the Available Battery Reserve shutdown time from the available backup Time = Available Backup Time–...

  • Page 69: Fan Replacement Procedure

    5 MAINTENANCE 5.2 Fan Replacement Procedure PURPOSE: Describes how to replace the fan. Tools required: • Phillips screwdriver. Procedure STEP 1: Remove the Old Fan Switch the UPS into Hot Swap Mode (Section 3.6.7). Squeeze the sides of the fan's connector lock to unlock the power connector.

  • Page 70: Battery Pack Replacement Procedure

    5 MAINTENANCE 5.3 Battery Pack Replacement Procedure PURPOSE: Describes how to replace the battery DANGER: At all times, ensure the battery wires are not trapped under the restraining bar. This could cut the insulation, causing a shock hazard. They should be routed over the bar. DANGER: Make sure the wires do not rest on top of restraining bar rib.

  • Page 71: Battery Changing Procedure

    5 MAINTENANCE 5.3 Battery Pack Replacement Procedure Place and tighten the battery pack retaining screw. Connect the batteries to the UPS. The red connector slides into red connector, the black connector slides into the black connector. Turn the battery circuit breaker ON. Exit Hot Swap Mode (Section 3.6.7).
  • Page 72 5 MAINTENANCE 5.4 Battery Changing Procedure Battery Wires Attachment Negative – – – – – Terminal + + + + + – – – – – Restraining + + + + + – – – – – Batteries + + + + + –...

  • Page 73: Troubleshooting

    The most common problems, symptoms and causes are listed in Figure 5.2. It starts off with the simplest problems, working to the most complex. If the operator can not resolve the problem, contact Alpha Technologies. Maintenance and troubleshooting should only be done by qualified personnel.
  • Page 74 5 MAINTENANCE 5.5 Troubleshooting y t l n i l c r i t i u n i l n i l a t l a t l c r i t i u y t l y l l y l l u l i g i t...

  • Page 75: Return Instructions

    5.6 Return Instructions PURPOSE: Describes how to return the UPS for repair. Before returning a UPS to Alpha Technologies, a Return Material Authorization (RMA) must first be obtained from Alpha’s customer service department. It should be clearly marked on the original shipping container. If it is no longer available, the new container should be packed with at least three inches of shock–absorbent material.

  • Page 76: Specifications

    5 MAINTENANCE 5.8 Specifications i l i i l i i l i i l i i l i f i l NOTE: Specifications subject to change without notice...
  • Page 77 5 MAINTENANCE 5.8 Specifications , ) l ; l i NOTE: Specifications subject to change without notice...
  • Page 78 5 MAINTENANCE 5.8 Specifications . f l O O O O O C C C C C i t l i t l i t l i t l i t l NOTE: Specifications subject to change without notice...

  • Page 79: Warranty

    24 months from the date of manufacture. The liability of Alpha Technologies under this warranty is solely limited to repairing, replacing, or issuing credit for such equipment (at the discretion of Alpha Technologies), provided that: 1.

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Novus 1250t

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