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Manual Thomas & Betts 9395

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Summary
  • Thomas & Betts 9395 - page 1

    P o w erw ar e 9395 UPS 225–275 kV A User ’ s and Installation Guide ...

  • Thomas & Betts 9395 - page 2

    IMPORT ANT SAFET Y INSTRUCTIONS SA VE THESE INSTRUCTIONS This manual contains impor tant instructions that you should follow during installation and maintenance of the UPS and batteries. Please read all instructions before operating the equipment and save this manual for future reference. W ARNING This is a pr oduct for commer cial and industr ial ...

  • Thomas & Betts 9395 - page 3

    P owerw are 9395 UPS 225–275 kV A User ’ s and Installation Guide 1 027212 R evision B Contents 1 Introduction ................................................................................................................................................................................................. 5 1.1 UPS standard features ............. ...

  • Thomas & Betts 9395 - page 4

    5.3 Operation ................................................................................................................................................................................................. 57 5.3.1 Starting the UPS in normal mode ..................................................................................................... ...

  • Thomas & Betts 9395 - page 5

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 5 1 Intr oduction The Eaton® P owerware® 9395 uninter ruptible power supply (UPS) is a true online, continuous- duty , transformerless, double-conversion, solid-state, three-phase system, providing conditioned and uninterruptible AC power to protect the customer ’ s load f ...

  • Thomas & Betts 9395 - page 6

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 6 Figure 1-1. Powerware 9395 UPS (225–275 kV A) cabinet Figure 1-2. Powerware 9395 UPS (225–275 kV A) typical single module system ...

  • Thomas & Betts 9395 - page 7

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 7 1 .1 .2 Customer Int erf ace Building Alarm Monitoring – Up to five inputs in the UPS are available to connect the facility’ s alarm system contacts. Some system configurations may limit the number of inputs available. The UPS uses these inputs to monitor the building ...

  • Thomas & Betts 9395 - page 8

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 8 1 .3 Basic system configur ations The following basic UPS system configurations are possible: Single module UPS and one to four bat tery cabinets Single module UPS and a standalone battery system The UPS system configuration can be enhanced by adding optional accessories ...

  • Thomas & Betts 9395 - page 9

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 9 1 .6 Symbols, contr ols, and indicators The following are examples of symbols used on the UPS or accessories to aler t you to important information: RISK OF ELECTRIC SHOCK - Indicates that a risk of electric shoc k is present and the associated warning should be observed. CA ...

  • Thomas & Betts 9395 - page 10

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 1 0 2 UPS installation plan and unpac king Use the following basic sequence of steps to install the UPS: 1 . Create an installation plan for the UPS system (Chapter 2). 2. Prepare your site for the UPS system (Chapter 2). 3. Inspect and unpac k the UPS cabinet (Chapter 2). 4. ...

  • Thomas & Betts 9395 - page 11

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 1 1 Dimensions are in millimeters. Model W eight kg Shipping Installed Powerware 9395-275/225 930 830 Powerware 9395-275/275 930 830 T able 2-1. UPS cabinet weights The UPS cabinets use forced air cooling to regulate internal component temperature. Air inlets are in the front ...

  • Thomas & Betts 9395 - page 12

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 12 Figure 2-1. UPS cabinet dimensions (front view) Figure 2-2. UPS cabinet dimensions (right side view) ...

  • Thomas & Betts 9395 - page 13

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 13 Figure 2-3. UPS cabinet dimensions (top view) Figure 2-4. UPS cabinet dimensions (bottom view) Figure 2-5. UPS Cabinet dimensions (bottom view with mounting brackets) ...

  • Thomas & Betts 9395 - page 14

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 1 4 Figure 2-6. UPS cabinet center of gravity Figure 2-7. Remote EPO switch dimensions 2.2.2 UPS syst em pow er wir ing pr eparation NO TE If installing, as par t of the UPS system, a maintenance b ypass without a r ectifier input br eak er , a minimum of tw o separat e f eed ...

  • Thomas & Betts 9395 - page 15

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 15 For external wiring requirements, including the minimum siz e of external wiring, see T able 2-4. The power wiring connections for this equipment are rated at 70°C. If wire is run in an ambient temperature greater than 30°C, higher temperature wire and/or larger size wire ...

  • Thomas & Betts 9395 - page 16

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 16 T erminals E1 through E12 are 2-hole bus bar mountings for standard NEMA 2-hole bar rel lugs. See T able 2-5 for power cable terminations and T able 2-6 for recommended installation parts and tools not supplied by Eaton Corporation. Figure 3-4 and Figure 3-5 show the locati ...

  • Thomas & Betts 9395 - page 17

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 17 The line-to-line unbalanced output capability of the UPS is limited only by the full load per phase cur rent values for AC output to critical load shown in T able 2-4. The recommended line-to- line load unbalance is 50% or less. Source protection for the AC input to bypass ...

  • Thomas & Betts 9395 - page 18

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 18 Read and understand the following notes while planning and performing the installation: Install the interface wiring (for example, building alarm, relay output, battery breaker trip, and X-Slot) separate from the power wiring. The wiring should have double insulation and ra ...

  • Thomas & Betts 9395 - page 19

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 1 9 2.3 Inspecting and unpac king the UPS cabinet The UPS cabinet is palleted separately for shipping. The cabinet is shipped bolted to a wooden pallet and protected with outer protective pac kaging material (see Figure 3-8). CA UTION The UPS cabinet is heavy (see T able 2-1 o ...

  • Thomas & Betts 9395 - page 20

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 20 6. After remo ving the protecti ve covering, inspect the contents for an y evidence of physical damage, and compare eac h item with the Bill of Lading. If damage has occurred or shor tages are evident, contact your service representati ve immediately to determine the extent ...

  • Thomas & Betts 9395 - page 21

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 21 3 UPS syst em installation 3.1 Pr eliminary installation infor mation W ARNING Installation should be perfor med only by qualified personnel. Refer to the following while installing the UPS system: Chapter 2 for cabinet dimensions, equipment weight, wiring and terminal dat ...

  • Thomas & Betts 9395 - page 22

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 22 CA UTION • Do not tilt cabinets mor e than 1 0° from v er tical. • Lift the cabinet only with a f orklif t or damage may occur . NO TE For the f ollowing steps, ver ify that the for klif t or pallet jack is r ated t o handle the weight of the cabinet (see T able 2-1 on ...

  • Thomas & Betts 9395 - page 23

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 23 Figure 3-1. Removing left side shipping bracket ...

  • Thomas & Betts 9395 - page 24

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 24 Figure 3-2. Removing right side shipping bracket 3.3 Bat tery cabinet installation T o install the battery cabinet, refer to the P owerware 9395 Integrated Bat tery Cabinet (Model IBC-L) installation manual. After the bat tery cabinet is installed, return to paragraph 3.4 t ...

  • Thomas & Betts 9395 - page 25

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 25 3.4 Installing UPS ext er nal and bat tery po wer wir ing NO TE The UPS cabinet is shipped with a debr is shield cover ing the ventilation gr ill on top of the unit. Do not remo ve the debr is shield until installation is complet e. Ho wever , r emov e the shield befor e op ...

  • Thomas & Betts 9395 - page 26

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 26 Figure 3-3. Conduit and wire entry locations ...

  • Thomas & Betts 9395 - page 27

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 27 Figure 3-4. UPS power terminal locations Figure 3-5. UPS power terminal detail AA ...

  • Thomas & Betts 9395 - page 28

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 28 3.4.2 Bat t ery wir ing CA UTION When sizing the batt ery system, do not exceed the int er nal battery c harger capabilities. See Chapter 1 0, “Pr oduct specifications, ” for maximum bat tery char ger cur rents. T o install wiring to connections: 1 . If using a P owerw ...

  • Thomas & Betts 9395 - page 29

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 29 T o install wiring to connections: 1 . V erify the UPS system is turned off and all power sources are removed. S ee Chapter 5, “UPS Operating Instructions, ” for shutdown instructions. 2. If not already accomplished, remove one top screw and two bot tom screws securing ...

  • Thomas & Betts 9395 - page 30

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 30 Figure 3-7. Interface terminal locations ...

  • Thomas & Betts 9395 - page 31

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 31 T erminal TB1 Name Descrition 1 Remote EPO NC Dry contact used to active remote EPO of UPS. 2 Remote EPO return 3 Remote EPO NO 4 Remote EPO return 5 Battery aux 6 Battery aux return 7 48 Vdc battery shunt trip + 8 48 Vdc battery shunt trip - 9 Not used 10 Not used T ermina ...

  • Thomas & Betts 9395 - page 32

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 32 Figure 3-8. Interface terminal detail AA NO TE All building alarm inputs require an isolated normally-open or normally-closed contact or switc h (rated at 24 Vdc, 20 mA minimum) connected between the alarm input and common terminal as shown. Building alarm inputs can be pro ...

  • Thomas & Betts 9395 - page 33

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 33 3.5.2 TB1 bat t ery interf ace connections T o install wiring to connections: 1 . V erify the UPS system is turned off and all power sources are removed. S ee Chapter 6, “UPS operating instructions, ” for shutdown instructions. 2. If not already accomplished, remove one ...

  • Thomas & Betts 9395 - page 34

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 34 NO TE Battery Aux and DC Shunt T rip wiring should be a minimum of 1 .5 mm 2 . Figure 3-10. T ypical battery interface connection 3.5.3 X-Slot connections NO TE LAN and telephone dr ops for use with X-Slot cards must be pr ovided by the cust omer . NO TE When installing int ...

  • Thomas & Betts 9395 - page 35

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 35 Figure 3-11. X-Slot communication bays 3.6 Installing a r emote EPO switc h NO TE Remov e the UPS cabinet interf ace entry plates t o punch holes (see Figur e 3-3). NO TE This switch must be a dedicat ed switch not tied into an y other circuits. NO TE This procedur e is int ...

  • Thomas & Betts 9395 - page 36

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 36 1 . Securely mount the remote EPO switc h. Recommended locations include operator ’ s consoles or near exit doors. See Figure 2-7 for enclosure dimensions and wiring knoc kouts. 2. V erify the UPS system is turned off and all power sources are removed. S ee Chapter 5, “ ...

  • Thomas & Betts 9395 - page 37

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 37 Note R emote EPO switc h rating is 24 Vdc, 1 A minimum. Note R emote EPO normally-open and normally -closed return terminals are separated on the terminal board, but are electrically in common. Figure 3-13. Normally-Open remote EPO switch wiring 1 0. If you are installing m ...

  • Thomas & Betts 9395 - page 38

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 38 Note R emote EPO switc h rating is 24 Vdc, 1 A minimum. Note R emote EPO normally-open and normally -closed return terminals are separated on the terminal board, but are electrically in common. Figure 3-15. Normally closed and normally open remote EPO switch wiring 3.7 Init ...

  • Thomas & Betts 9395 - page 39

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 39 Installation chec klist r All pac king materials and restraints have been removed from eac h cabinet. r Eac h cabinet in the UPS system is placed in its installed location. r A cabinet grounding/mounting kit is installed between any cabinets that are bolted together . r All ...

  • Thomas & Betts 9395 - page 40

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 40 4 Understanding UPS oper ation 4.1 Looking inside the UPS syst em The P owerware 9395 UPS is a continuous-duty , solid-state, transformerless (at 40 0 V ac), three- phase, true online system that provides conditioned and uninter ruptible AC power to the UPS system’ s outp ...

  • Thomas & Betts 9395 - page 41

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 41 4.2 Modes The P owerware 9395 UPS suppor ts a critical load in three different modes of operation. The UPS can automatically use all three modes, as required. The standard operation modes are: In Normal mode, the critical load is supplied by the inver ter , whic h deri ves ...

  • Thomas & Betts 9395 - page 42

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 42 The inver ter produces a three-phase AC output to a customer ’ s load without the use of a transformer . The inverter derives regulated DC from the rectifier and uses IGBT devices and pulse-width modulation (PWM) to produce a regulated and filtered AC output. The AC out ...

  • Thomas & Betts 9395 - page 43

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 43 In bypass mode, the output of the system is provided with three-phase AC power directly from the system input. While in this mode, the output of the system is not protected from voltage or frequency fluctuations or power outages from the source. Some power line filtering ...

  • Thomas & Betts 9395 - page 44

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 44 During a utility power failure, the rectifier no longer has an AC utility source from whic h to supply the DC output current required to suppor t the inver ter . The input contactor K1 opens and the bat tery instantaneously supplies energy to the battery con ver ter . The ...

  • Thomas & Betts 9395 - page 45

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 45 NO TE If the load requires a neutral, a bypass source neutral must be provided. If the load does not require a neutral and there is no neutral conductor connected at the bypass input, a neutral to ground bonding jumper must be installed. DO NO T install both a source neutra ...

  • Thomas & Betts 9395 - page 46

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 46 NO TE If installing, as part of the UPS system, a maintenance bypass without a rectifier input breaker , a minimum of two separate feeds with upstream feeder breaker s, or one feed with two upstream feeder breakers, must be provided: one for the UPS and one for the mainten ...

  • Thomas & Betts 9395 - page 47

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 47 5 UPS oper ating instr uctions This section describes how to operate the UPS. NO TE Befor e starting the UPS , ensur e all installation tasks are complet e and a pr eliminary start up has been perfor med by author ized service personnel. The preliminary star tup ver ifies ...

  • Thomas & Betts 9395 - page 48

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 48 5.1 UPS contr ols and indicators The controls and indicators identified and described in this section are used to control and monitor UPS operation. Figure 6-1 shows the UPS controls and indicators. Figure 5-1. Powerware 9395 225–275 kV A UPS controls and indicators 5.1 ...

  • Thomas & Betts 9395 - page 49

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 49 5.2 Using the contr ol panel The following paragraphs describe the UPS control panel, including controls and indicators, and how to monitor UPS operation. The control panel (see Figure 5-2) is located on the front door of the UPS. Figure 5-2. UPS control panel The control p ...

  • Thomas & Betts 9395 - page 50

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 50 5.2.2 Using the LCD and pushbut t ons The LCD on the control panel provides an operator interface with the UPS system. Figure 5-3 identifies the display areas discussed in the following sections. Figure 5-3. Parts of the LCD A The UPS status area automatically scrolls betw ...

  • Thomas & Betts 9395 - page 51

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 51 5.2.3 Using the menu The UPS menu bar allows you to display data in the information area to help you monitor and control UPS operation. T able 5-2 shows the basic menu structure. Menu option Description EVEN TS Displays the list of active system events and a historical log ...

  • Thomas & Betts 9395 - page 52

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 52 Function Subfunction Operation History Press the HISTORY pushbutton on the Active Events menu bar to display the His- tory Log. The History Log lists up to the 500 system events in chronological order , with the most recent event listed last (once 500 is reached, the earlie ...

  • Thomas & Betts 9395 - page 53

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 53 Function Subfunction Operation kW Demand Log The kW Demand Log screen displays the individual log entries, including the interval date and time frame, the maximum reading during the interval, the total time over limit during the interval, an estimated number of total kWh us ...

  • Thomas & Betts 9395 - page 54

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 54 Function Subfunction Operation Maximum Current Log The Maximum Current Log screen displays the individual log entries, including the interval date and time frame, the maximum percent of full load during the interval, the total time over limit during the interval, and the nu ...

  • Thomas & Betts 9395 - page 55

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 55 Function Subfunction Operation System Level 0 Setup Function Selection This screen can be used to set the screen contrast, show the firmware versions installed, identify the unit type and enter a password to access Level 1 functions. Press the SETUP pushbutton on the main ...

  • Thomas & Betts 9395 - page 56

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 56 Set Date and T ime DD/MM/YYYY The Set Date and T ime DD/MM/YYYY screen allows the internal date and time of the UPS to be set in the day/month/year format. The date and time informa- tion is used for display on the screen and for logging events in the Event and History Logs ...

  • Thomas & Betts 9395 - page 57

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 57 Figure 5-6. System controls screen 2 5.2.7 Load of f scr een The load off screen appears when the L O AD OFF pushbutton is selected from the main menu bar or System Controls menu bar . This screen allows the L O AD OFF process to be aborted if the L O AD OFF pushbut ton was ...

  • Thomas & Betts 9395 - page 58

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 58 6. On the System Controls screen, the power module (PM) status should indicate SHUTDO WN. 7 . Close the bat tery break er . 8. If the UPS contains input breaker CB1, close input break er CB1 . 9. Press the NORMAL pushbut ton on the system controls menu bar . If Auto Bypass ...

  • Thomas & Betts 9395 - page 59

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 59 5.3.3 Star ting the pow er module T o start the power module without transfer ring the critical load to normal, perform the following procedure: 1 . If the UPS contains input breaker CB1, verify that input break er CB1 is open. 2. Close the UPS input feeder circuit breaker ...

  • Thomas & Betts 9395 - page 60

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 60 5.3.5 T r ansf er from b ypass to nor mal mode T o transfer the critical load to Normal mode, perform the following procedure: 1 . Press the CON TROLS pushbutton on the main menu bar . The System Controls screen appears. 2. Press the NORMAL pushbut ton on the System Control ...

  • Thomas & Betts 9395 - page 61

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 61 5.3.8 Char g er contr ol T o turn the battery c harger on or off , perform the following procedure: 1 . Press the CON TROLS pushbutton on the main menu bar . The System Control screen appears. 2. Press the pushbut ton to display System Controls Screen 2. 3. Press the CHGR O ...

  • Thomas & Betts 9395 - page 62

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 62 5.3.1 0 Using the Remote Emer gency P ow er -of f switch A UPS emergency power -off is initiated by the REPO pushbutton switc h. In an emergency , you can use this switc h to control the UPS output. The REPO switc h de-energizes the critical load and powers down the UPS imm ...

  • Thomas & Betts 9395 - page 63

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 63 5.3.1 1 Using Mec hanical Bypass Switc h The operation of the integral MBS is allowed for a trained person only who is familiar with the UPS behaviour and functions. The full UPS wiring diagram with a MBS switc h is presented in the installation par t of the manual. NO TE! ...

  • Thomas & Betts 9395 - page 64

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 64 T ur n UPS from mec hanical bypass t o nor mal mode The procedure to turn the UPS bac k to normal mode is described below. 1 . The normal star t position should be following: 2. T urn ON rectifier switc h to connect rectifier input to UPS. 3. T urn ON Static bypass switc ...

  • Thomas & Betts 9395 - page 65

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 65 6 Responding t o system ev ents 6.1 Gener al When the UPS system is running in Normal mode, it continually monitors itself and the incoming utility power . In Battery or Bypass modes, the UPS may issue alarms to let you know exactly what event caused the c hange from Normal ...

  • Thomas & Betts 9395 - page 66

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 66 7 Communication This c hapter describes the communication features of the Powerw are 9395 225–275 kV A UPS and provides information about connecting hardw are and using T erminal mode. For terminal wiring information, see paragraph 2.2.3 on page 17 and paragraph 3.5 on pa ...

  • Thomas & Betts 9395 - page 67

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 67 7 .2 P o w erw ar e LanSaf e P ow er Management Sof twar e Eac h Powerw are 9395 UPS ships with LanSafe P ower Management Sof tware. T o begin installing P owerware LanS afe sof tware, see the instructions accompan ying the Softw are Suite CD. P owerware LanS afe sof tware ...

  • Thomas & Betts 9395 - page 68

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 68 MM DD YYYY HH:MM:SS.hh KYWD MESSA GE <CR> <LF> Where Equals MM Month (2 digits) DD Day (2 digits) YYYY Y ear (4 digits) HH Hour (2 digits) MM Minute (2 digits) SS Second (2 digits) hh Hundredths of Second (2 digits) KYDW Keyword (ALARM, NOTICE, COMMAND, or ST A ...

  • Thomas & Betts 9395 - page 69

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 69 7 .4 Building alar m monit or ing This standard feature lets you connect the UPS to your building alarms, suc h as smok e detectors or overtemperature alarms. The customer interface terminals for external connections are located inside the UPS. Y ou should use twisted-pair ...

  • Thomas & Betts 9395 - page 70

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 70 8 UPS maint enance The components inside the UPS cabinet are secured to a sturdy metal frame. All repairable par ts and assemblies are located for easy removal, with very lit tle disassembly . This design allows authorized service personnel to perform routine maintenance an ...

  • Thomas & Betts 9395 - page 71

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 71 8.2 P erf or ming pr eventiv e maintenance The UPS system requires very lit tle preventi ve maintenance. However , the system should be inspected periodically to verify that the units are operating normally and that the batteries are in good condition. 8.2.1 D AIL Y maint e ...

  • Thomas & Betts 9395 - page 72

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 72 8.3 Installing bat ter ies NO TE Ther e is no DC disconnect device within the UPS. Install bat teries in accordance with the battery and bat tery cabinet or battery rac k manufacturer ’ s instructions. 9 Recy cling the used UPS or bat t er ies Before scrapping UPS or its ...

  • Thomas & Betts 9395 - page 73

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 73 1 0 Pr oduct specifications 1 0.1 Model numbers The UPS systems are housed in free-standing cabinets with safety shields behind the doors. The UPS systems are available in 50/60 Hz with various output power ratings. Models Power Rating Frequency Powerware 9395-275/225 225 ...

  • Thomas & Betts 9395 - page 74

    UPS 225 - 275 kV A User ’ s and Installation Guide 1 027212 Revision B 7 4 1 0.2.3 Envir onmental Operating T emperature 0 to 40°C without derating. The recommended operating temperature is 25°C. Operating Altitude Maximum 1500m at 40°C without derating Storage T emperature –25 to +60°C, excluding batteries (prolonged storage above 40°C ca ...

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