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****** Page 1 ****** Doc. No. ISDH000760R0002 – L5785 Automatic transfer switch ATS022 Installation and operating instructions 3 4 5 7 Status of the line NO ventage urxjervoltage Overvoltage Phaso rmssing Vdtago unbalance ‘*base sequence Invalid frequency aeao Power and productivity for a better worldTM

****** Page 3 ****** 1. 2. 2.1. 2.2. 3. 3.1 3.2 4. 4.1 4.2 4.3 4.4 4.5 4.6 5. 5.1 5.2 5.3 5.4 5.4.1 5.4.2 5.5 5.5.1 5.5.2 5.6 5.7 6. 6.1 6.2 7. 8. 8.1. 8.2. 9. 10. Contents Contents General information .5 Times 5 …….6 Application scenarios …….6 Interface. … Setting the operating modes 20 Manual 20 ….20 … ….21 LNI and LN2 lines status indication………………………………………………………………………………..22 … ….22 Using pushbuttons in manual mode … ….26 … ….26 Output signals (DOI DOI 2) … ….29 Safety notes Installation and operating instructions, ATS022 4 Explanation of abbreviations and terms 5 Introduction Product overview… Applications of device ATS022 6 8 Switching Main Line — Emergency Line (2CBs) …………………………………………………………………..8 Switching Main Line — Emergency generator (2CBs) ….. ….. ….. ….. …. Non priority loads control (NPL) 10 Control of two independent power supply lines separated by Tie (3CBs Bus Tie) 14 Automatic switching without inverse procedure 15 Line Priority Selection 16 Using the automatic transfer switch 17 LED indicators Keypad keys… Automatic mode .. Graphic Display Browsing through the Menu Test Modes Input and output signals Input signals . Technical data 17 18 19 28 36 Installation of device ATS022 37 Door-mounted Automatic Transfer Switch ATS022…………………………………………………………..37 DIN rail-mounted Automatic Transfer Switch .38 Regulatory standards 39 Troubleshooting 40 1 SDH000760R0002 3 Power and productivity for a better world’ M

****** Page 4 ****** Installation and operating instructions, ATS022 1. Safety notes Before using the ATS022 unit, read the following “Safety notes”: I . Safety notes using the unit without following the indications can lead to malfunctioning and, in some cases, hazardous conditions. If there are doubts about safe use, the unit must be put out of service. The automatic transfer switch ATS022 must be prevented from operating the circuit breakers before: • accessing the circuit breakers • performing maintenance on circuit breakers or any electrical circuits powered by them • performing any operation where opening/closing the circuit breaker could be dangerous During maintenance: • set the “Manual” mode. • lock the circuit breaker mechanically in the open position. Safe use is not guaranteed if: • the device has been damaged during transport • the device shows visible signs of damage • the device does not work • the device has been stored for a long period Even if the device seems to be in stand-by status switch it off from the control circuit, as there is risk of it operating the circuits without warning. 1 SDH000760R0002 4 Power and productivity for a better world

****** Page 5 ****** 2. Explanation of abbreviations and terms Installation and operating instructions, ATS022 2. Explanation of abbreviations and terms 2.1. General information ATS: ATS022: CB: CBI: CB2: CB3: LNi: LN2: Bus Tie: NPL: Automatic Transfer Switch; automatic switching device ATS of the ATS02x series, version with display and Modbus communication. Circuit Breaker; low voltage automatic Circuit Breaker. CB on line LNI. CB on line LN2. CB for Bus Tie, NPL and NPL BUS TIE operating modes. Power supply line Noel . Power supply line No.2. Operating mode with busbar tie circuit breaker. Operating mode with non priority control circuit breaker NPL BUS TIE: Operating mode with non priority control circuit breaker for non priority loads control Modbus RTU: Communication protocol. 2.2. Times NOTE: All the details of the times and switching logics are described in the Chapters concerned. TCE: TBS: TCN: TGOFF: TC: Opening delay of main line CB, after detection of fault in mains (generator is not in use) Generator start delay, after detection of fault in mains (generator in use). Closing delay of CB2 of line LN2 Opening delay of emergency line CB, after detection of stabilised voltage on main line. Closing delay of CBI of line LNI Generator switching off delay, after closure of main line CB. Delay in opening and closing of CB3 in Bus Tie application. 1 SDH000760R0002 5 Power and productivity for a better world’ M

****** Page 6 ****** Installation and operating instructions, ATS022 3. Introduction 3.1 Product overview 3. Introduction The automatic transfer switch ATS022 is used in all installations where switching is required between two lines to ensure the supply of loads in case of a fault on one line. ATS022 selects the power supply line by acting directly on the CBs provided on the lines: ATS022 can be used with automatic CBs and ABB SACE switch-disconnectors. The device monitors the voltage of the main line and emergency line and records the following faults: • Maximum and minimum voltage • Maximum and minimum Frequency Phase balance • Voltage imbalance • Frequency imbalance ATS022 does not require an auxiliary safety power supply since it is powered directly by the line voltages. If both lines are absent, ATS022 enters Powersave mode (maximum duration 1 minute) in which the device is active and in stand-by for one of the power supply lines to be restored. When the Powersave period ends, the LED switches off and the device awaits a line voltage. The moment the main or the emergency line is restored, the unit analyses the conditions of the lines monitored and the status of the circuit breakers and proceeds with the switching operation in accordance with the situation concerned. The safety auxiliary supply is obligatory in the following cases: • utilisation of Modbus RS485 communication • utilisation in systems with rated frequency 16 2/3Hz • utilisation in single-phase systems with Un 57,5…109VAC A 24VDC .. 1 1 OVDC auxiliary safety power supply can be used (-10%, +15%). ATS022 can be used in systems with rated frequency 50Hz, 60Hz, 400Hz, 16 2/3 Hz that can be set from the menu. The device can be used in systems with single-phase, three-phase with Neutral and three-phase without neutral, setting can be done from the menu. ATS022 makes it possible to select from the display a different distribution system between Line LNI and Line LN2. ATS022 can be used in manual or automatic mode. In the first case the circuit breakers must be controlled by means of the pushbuttons present on the front panel of the device, while in automatic mode, the switching logic is controlled directly by the device The device is equipped with a front graphic display by means of which the user can check the settings and display the status of the unit and the circuit breakers connected to it. It is also possible to integrate the ATS022 device inside a communication network which uses the Modbus RS485 protocol. 3.2 Application scenarios The ATS022 device can be used in the following applications: • Main line — Emergency line switching • Main line Emergency generator switching ATS022 makes it possible to operate a thrid circuit breaker CB3 and can therefore also be used in the following applications which can be set on the menu: • non priority loads control with CB3 on starting line (3CBs NPL) • non priority loads control with CB3 Bus Tie (3CBs NPL Bus Tie) • control of two independent power supply lines separated by Bus Tie (3CBs Bus Tie) 1 SDH000760R0002 6 Power and productivity for a better world

****** Page 7 ****** 3. Introduction Installation and operating instructions, ATS022 The ATS022 also makes it possible to select which of the lines is the main one and which one is secondary, also with the system running. The following selections are possible, set from the menu: • Main line: Line LNI • Main line: Line LN2 • No priority line In automatic mode, it is possible to select whether or not the switching procedure must include inverse switching. The following selections are possible: • with inverse procedure • without inverse procedure 1 SDH000760R0002 7 Power and productivity for a better world’ M

****** Page 8 ****** Installation and operating instructions, ATS022 4. Applications of device ATS022 4. Applications of device ATS022 The ATS022 device controls all the switching sequences by applying the time delays that can be set: Time delays TS Delay TBS Delay TCE Delay TCN Delay TC Delay TGOFF Delay Table 4.1: Description Opening delay of main line CB after detection of a fault in the mains (Generator is not in use) Generator start delay after detection of a fault in the mains (Generator in use). Opening delay of emergency line CB. Closing delay of line LN2 CB2 Closing delay of CBI of line LNI . Opening and closing delay of CB3 if used in Bus Tie application. Generator switching off delay after closure of line LNI CBI. Description of time delays Value o…30s o…59s, 1 o…60s o…60s o…60s o…59s, 1 .30min .30min 4.1 Switching Main Line — Emergency Line (2CBs) Description Both lines are normally present; in cause of anomaly on the main line, ATS022 switches to the emergency line used as the reserve line. Figure 4.1 • 2CBs application layout 1 SDH000760R0002 generator not in use 8 Power and productivity for a better world

****** Page 9 ****** 4. Applications of device ATS022 -l Installation and operating instructions, ATS022 Time diagrams Line 1 0k CBI CLOSED Line 2 0k CB2 CLOSED Figure 4.2: 2CBs application time diagram – main line LNI TBS …….+l 4.2 Switching Main Line Emergency generator (2CBs) Description In case of main line failure ATS022 automatically starts up an emergency generator and, as soon as power on the generator side is available, ATS022 starts the automatic switching procedure. Figure 4.3: 2CBs application layout 1 SDH000760R0002 generator in use 9 Power and productivity for a better world’ M

****** Page 10 ****** Installation and operating instructions, ATS022 Time diagrams Line 1 0k CBI CLOSED Gen start Line 2 0k CB2 CLOSED 4. l..-Ts-+l I …….—TCE-…..+I Applications of device ATS022 TBS -+1 +1 Figure 4.4: 2CBs application time diagram – generator in use 4.3 Non priority loads control (NPL) Description In case of main line failure the ATS022 starts the switching procedure and controls the non priority loads by opening closing circuit breaker CB3. ATS022 acquires the CB3 open/close status from the dedicated input Dll 1 and commands the opening and closing by activating output DOI 1 . The application of non priority loads requires the use of two CT-AWE typed timed relays for operating the opening and closing of CB3. Two configurations are possible for utilisation depending on the position of circuit breaker CB3: • CB3 in Bus Tie position (3CBs NPL- BUS TIE) • CB3 on starting line (3CBs NPL). It is possible to select from two options from the menu on the display: • only disconnection of non priority loads by opening CB3 (manual re-closure). In this case timed relays CT-AWE are not necessary • disconnection and re-connection of non priority loads by opening and closing of CB3 For more details refer to the wiring diagrams of the product. 1 SDH000760R0002 10 Power and productivity for a better world

****** Page 11 ****** 4. Applications of device ATS022 CBI Figure 4.5: Figure 4.6: CB3 NPL Application layout 3CBs NPL BUSTIE CBI CB3 NPL Application layout 3CBs NPL 1 SDH000760R0002 11 Installation and operating instructions, ATS022 CB2 CB2 Power and productivity for a better world’ M

****** Page 12 ****** Installation and operating instructions, ATS022 Time diagrams Line 1 0k CBI CLOSED Gen start Line 2 0k CB2 CLOSED CB3 CLOSED ……..-TCE-…..+ Figure 4.7: Line 1 0k Application time diagram GCBs NPL BUS TIE – generator in use CBI CLOSED Line 2 0k CB2 CLOSED CB3 CLOSED Figure 4.8: TS …+1+–TCE-…+I Application time diagram GCBs NPL BUS TIE – generator not in use – main line LNI 1 SDH000760R0002 12 Applications of device ATS022 TBS …+ ..—TCN ……+ +TGOFF-+ 1+— TBS …+1+……. TCN …….+l Power and productivity for a better world

****** Page 13 ****** 4. Applications of device ATS022 Line 1 0k CBI CLOSED Gen start Line 2 0k CB2 CLOSED CB3 CLOSED TCE Installation and operating instructions, ATS022 TBS Figure 4.9: Line 1 0k Application time diagram GCBs NPL- generator in use CBI CLOSED Line 2 0k CB2 CLOSED CB3 CLOSED Figure 4.10: 1+- TS -+1+–TCE-.-+I TBS -+1 TCN -….+1 Application time diagram GCBs NPL – generator not in use – main line LNI 1 SDH000760R0002 13 Power and productivity for a better world’ M

****** Page 14 ****** Installation and operating instructions, ATS022 4. Applications of device ATS022 4.4 Control of two independent power supply lines separated by Tie (3CBs Bus Tie) Description Lines LNI and LN2 supply two different sections of the plant separated by a bus tie circuit breaker CB3, normally open. In case of failure of one of the two supply lines, ATS022 closes CB3; the available line thus powers both the sections downline. When the line is restored ATS022 restores the normal plant conditions by opening CB3. ATS022 acquires the open/close status of the device by means of dedicated input Dlll and commands the opening and closing by activating output DOI 1. The Bus Tie application requires the use of two CT-AWE type timed relays for operating the opening and closing of CB3. The three circuit breakers CBI — CB2 — CB3 must be interlocked mechanically for reasons of safety (Emax circuit breakers — C type interlock). CBI Figure 4.11: Application layout 3CBs BUS TIE Time diagrams Line 1 0k CBI CLOSED Line 2 0k CB2 CLOSED CB3 CLOSED CB3 CB2 TBS TON ……..+l Figure 4.12: Application time diagram 3CBs BIJS TIE — line LNI failure 1 SDH000760R0002 14 Power and productivity for a better world

****** Page 15 ****** 4. Applications of device ATS022 Line 1 0k CBI CLOSED Line 2 0k CB2 CLOSED CB3 CLOSED Installation and operating instructions, ATS022 TBS TCN Figure 4.13: Application time diagram GCBs BUS TIE — line LN2 failure 4.5 Automatic switching without inverse procedure Description Following an anomaly of the main line, ATS022 switches on an emergency line (1). If the mains supply is restored, the inverse switching procedure is not started up (2). If there is a fault in the reserve line, ATS022 must open the emergency switch (3) and wait for restoration of the emergency line to reclose (4), without in any case providing for switching on the main line. This operating mode is also applicable if the generator is present: in this case, after time Ts the generator is started up and as soon as the emergency line is available CBI is opened. ATTENTION If ATS022 is not powered by the auxiliary supply and by any of the two lines the device waits for at least one of the two lines (5) to return before proceeding with the switching procedure (6). The option is not available in case of 3CBs Bus Tie application and in case of selection of the no priority line option. Time diagrams (1) Line 1 0k CBI CLOSED Line 2 0k CB2 CLOSED (2) (3) •TBS. (4) +TCE+ (5) (6) Figure 4.14: 2CBs application time diagram – generator not in use — without inverse switching procedure 1 SDH000760R0002 15 Power and productivity for a better world’ M

****** Page 16 ****** Installation and operating instructions, ATS022 4.6 Line Priority Selection Description 4. Applications of device ATS022 ATS022 allows selection of the main line by means of the menu on the display. The following selections are possible: main line: Line LNI main line: Line LN2 (selection possible only if generator is not in use) no line priority: ATS022 ensures power supply to the load from any of the two lines without considering either of these as priority, therefore, for example, following switching on line LN2 due to failure of line LNI , ATS022 remains on line LN2 even if LNI is restored. Time diagrams Line 1 0k CBI CLOSED Line 2 0k CB2 CLOSED Figure 4.16: Line 1 0k Time Diagram no line priority CBI CLOSED Gen start Line 2 0k CB2 CLOSED Figure 4.17: Time diagram no line priority 1 SDH000760R0002 generator non in use TCE generator in use 16 Power and productivity for a better world

****** Page 17 ****** 4. Applications of device ATS022 Installation and operating instructions, ATS022 5. 5.1 Using the automatic transfer switch Interface Code 3 2 5 1 Status of the line No voltage Undervoltage Overvoltage Phase missing Voltage unbalance Incorrect phase sequence Invalid frequency caa 3 a 9 ATS022 M301 A Power 8 16 15 14 10 11 12 13 Figure 5.1 : Description of ATS022 front panel interface Ref. 2 3 4 5 6 7 8 9 10 11 Description CBI: pushbutton for opening/closing circuit breaker CBI CB2: pushbutton for opening/closing circuit breaker CB2 CB3: CB3 opening/closure procedure graphic indication (combination of UP-DOWN keys for at least 2sec) RESET: pushbutton for automatic/manual mode selection and alarms reset TEST: test modes selection pushbutton ENTER: pushbutton for confirming an action ESC: pushbutton for returning to the previous step UP: pushbutton for moving up on the menu DOWN: pushbutton for moving down on the menu LED POWER: indicates presence of power supply LED AUTO: indicates automatic or manual mode 1 SDH000760R0002 17 Power and productivity for a better world’ M

****** Page 18 ****** Installation and operating instructions, ATS022 5. Using the automatic transfer switch Ref. 12 13 14 15 16 Description LED ALARM: indicates active alarm Tx/Rx LED: indicates bus communication status GRAPHIC DISPLAY PLATE SHOWING LINES STATUS CODES Serial No. Table 5.1: Description of ATS022 interface 5.2 LED indicators Alarm The steady red Alarm LED may indicate the switching logic disabled condition or one of the following events: • circuit breakers command failed • protection releases tripped • removal of circuit breakers • generator alarm • logic disabling from input D13 • both CBs closed The alarm LED switches Off indicating that the switching logic is enabled and no alarms are present Auto The Auto LED indicates the operating mode: • manual: LED Off • automatic: steady green LED • test: flashing green LED Power LED Power LED indicates the presence of power supply: • power supply present: steady green LED indicates power supply from line voltage or from auxiliary source present • no power supply: LED Off indicates that both lines are not present and that the Powersave condition has ended. The switching logic is in stand-by for return of one of the line voltages • Powersave: green flashing LED indicates, if both lines are absent and if no auxiliary power supply is present, that the device is active and is in stand-by for return of one of the line voltages (maximum duration 1 minute). When the Powersave period ends, the LED switches off and the device awaits a line voltage. The moment the normal or the emergency line is restored, with ATS022 in automatic, the unit analyses the conditions of the lines monitored and the status of the circuit breakers and proceeds with the switching operation in accordance with the situation concerned. TX/RX The TX/RX LED indicates the bus communication status. • Communication via bus under way: green LED flashing at variable frequency • Communication via bus not active: LED Off 1 SDH000760R0002 18 Power and productivity for a better world

****** Page 19 ****** 5. Using the automatic transfer switch 5.3 Keypad keys CBI key Installation and operating instructions, ATS022 In manual mode, press the CBI key for Opening/Closure of circuit breaker CBI . CB2 key In manual mode, press the CB2 key for Opening/Closure of circuit breaker CB2. RESET Press RESET to select the Manual or Automatic operating mode. In case of alarm, press RESET to reset the alarm and the device returns to manual mode. Press RESET again to bring the device to automatic mode. TEST key Press the TEST key to set the test modes of the direct and inverse switching sequences. ATS022 must be in the manual position. To exit TEST mode press RESET. Enter key Used for confirming the action or entry to the menu. ESC key Used for cancelling an action and returning to previous menu. UP key Used for moving up on the menu. DOWN key Used for moving down on the menu. 1 SDH000760R0002 19 Power and productivity for a better world’ M

****** Page 20 ****** Installation and operating instructions, ATS022 5. Using the automatic transfer switch 5.4 Setting the operating modes 5.4.’ Manual mode To select the Manual operating mode of unit ATS022: a. Make sure the Power LED is On, see Figure 5.2/1 b. If the Auto LED is OFF, see Figure 5.2/2, the automatic transfer switch is in Manual mode. c. If the AUTO LED is ON, press RESET, see Figure 5.2/3 . The Auto LED switches to OFF and the device is in Manual Mode, see Figure 5.2/4 . Manual rncxio Auto OR Figure 5.2: Description of manual mode selection procedure for ATS022 5.4.2 Automatic mode To select the Automatic operating mode of unit ATS022: a. Make sure the Power LED is On, see Figure 5.3/1 b. Press RESET once, see Figure 5.3/2. If the Auto LED is ON, the automatic transfer switch ATS022 is in Automatic mode, see Figure 5.3/3 c. If the Auto LED is OFF, press RESET again, see Figure 5.3/3; the Auto LED switches to ON and the device is in Automatic mode/ Figure 5.3/4 aesE1 •fgF;:. OR Figure 5.3: Description of automatic mode selection procedure for ATS022 1 SDH000760R0002 20 Power and productivity for a better world

****** Page 21 ****** 5. Using the automatic transfer switch 5.5 Graphic Display 14 1 LNI 6 Installation and operating instructions, ATS022 7 2 15 LN2 TBS.. 3 5 8 4 13 Figure 5.4: Description of ATS022 display Ref. Description LNI: line 1 LN2: line 2 2 CBI status graphic indicator 3 CB2 status graphic indicator 4 CB3 status graphic indicator 5 LNI power presence icon 6 LN2 power presence icon 7 application type indicator 8 manual mode indicator 9 test mode indicator 10 generator presence indicator 11 12 13 14 15 16 17 18 19 20 21 Table 5.2: 19 LNI: LN2: 10 v M 17 20 11 12 9 21 16 18 generator start (UP arrow)/stop (DOWN arrow) indicator open/close command execution indicator timing indicator LNI power measurement LN2 power measurement LNI frequency measurement LN2 frequency measurement LNI line status code LN2 line status code local/remote mode indicator Description of ATS022 display 1 SDH000760R0002 21 Power and productivity for a better world’ M

****** Page 22 ****** Installation and operating instructions, ATS022 5. Using the automatic transfer switch 5.5.’ I-Ni and LN2 lines status indication The presence/absence of lines LNI and LN2 is shown graphically on the display by means of filled/ empty icons, see Figure 5.4/6 – 5.4/7, and a specific status code If there is an anomaly on the line voltage, the icon concerned is empty and the error code is displayed as defined by the following Table: Line status No power Minimum voltage Maximum voltage Phase missing Phase imbalance Inverted sequence Frequency out of range Code 1 2 3 4 5 6 7 Table 5.3: Description of line status codes ATS022 5.5.2 Browsing through the Menu Press Enter to access the main Menu. Three different levels of configuration of the unit can be accessed from the main menu: Main Menu 13 System Configuration Device Configuration Diaqnostics Figure 5.5: Description of main menu ATS022 Access to the configuration pages requires a 4-digit password which must be entered using the UP, DOWN and ENTER keys. The password is valid for one minute after the last pressing of a key. For the first access to the system the password is 0001 ; subsequently change the password as desired. If the password is lost or forgotten, contact the service centre. 1 SDH000760R0002 22 Power and productivity for a better world

****** Page 23 ****** 5. Using the automatic transfer switch Configuration of the System The system configuration section makes it possible to set: – The parameters of the two lines Parameters of lines LNI – LN2 Value Installation and operating instructions, ATS022 Factory settings Rated voltage Rated frequency Number of phases LNI Number of phases LN2 Presence of external voltage transformer Primary voltage TV Secondary voltage TV 100v/57v- 115v/66v – 120vnov – 208v/120v – 220V/127V – 230V/132V – 240V/138V – 277V/160V – 347V/200V – 380v/220v – 400v/2gov – 415v/240v – 440V/254V – 480v/277v 50Hz – 60 Hz, 16 2/3 Hz, 400 Hz 1 phase / 3 phases with N / 3 phases without N 1 phase / 3 phases with N / 3 phases without N absent/present (for voltages greater than 480VAC) 100V/57V- 115V/66V – 120V/70V – 208V/120V – 220V/127V – 230V/132V – 240V/138V – 277V/160V – 347//200v – 380V/220V – 400V/230V – 415V/240V – 440V/254V – 480v/277v – 500V/288V – 550V/317V – 600v/347v – 660V/380V – 690V/400V – 91 OV/525V – 950V/550V – 1000V/577V – 1 150V/660V 100V/57V- 115V/66V – 120V/70V – 208V/120V – 220V/127V – 230V/132V – 240V/138V – 277V/160V – 347V/200V – 380V/220V – 400V/230V – 415V/240V – 440V/254V – 480V/277V Table 5.4: Description of parameters of lines ATS022 – Type of application Type of application Protection devices Utilisation of generator Priority Line Value 2CBs / 3CBs NPL opening only / 3CBs NPL opening&closing / 3CBs NPL BusTie / 3CBs Bus Tie Generator not in use / Generator in use Line LNI / Line LN2 / No priority Line With inverse procedure/Without inverse procedure Switching Table 5.5: Description of types of application ATS022 Device configuration The device configuration section makes it possible to set: – Limit thresholds Limit thresholds Minimax voltage threshold Min/max frequency Value -30% …-5%, +5% … +30%, step ± 1% (Imbalance of voltage set at same threshold) -10% …-1%, +1% … +10%, step ± 1% 400V/230V 50Hz 3 phases with N 3 phases with N absent 690V/400 v 400V/230 v Factory settings 2CBs Generator not in use Line LNI With inverse procedure Factory settings -15%; +15% threshold Table 5.6: Description of limit thresholds ATS022 1 SDH000760R0002 23 Power and productivity for a better world’ M

****** Page 24 ****** – Time delays Time delays TS Delay TBS Delay TCE Delay TCN Delay TC Delay TGOFF Delay Table 5.7: Installation and operating instructions, o…60s, step Is o…60s, step Is Value o.. .30s, o…59s, , o.. .60s, o…59s, , Description of time delays ATS022 ATS022 step Is step Is, step Is step Is, 5. .30min, step 1 min step 1 min Using the automatic transfer switch Factory settings Os Os 3s 3s 5s – Digital inputs Digital Input Value disabled/generator start/logic enabling/remote Digital Input DIIO – function reset/EMERGENCY BLOCK Digital Input DIIO – type NO/NC Digital Input D18 – type NO/NC Table 5.8: Description of inputs ATS022 – Modbus parameters Modbus Modbus Address Modbus Baud Rate Modbus Stop Bits Modbus Parity mode Table 5.9: Value 1 .247 9600/19200/38400 bps even, odd, absent local, remote Description of Modbus parameters ATS022 – Language and backlit display Factory settings Generator Start NO NO Factory settings 1 9600 absent local Factory settings Function Backlighting duration Value Always On, O…59s, step Is, 1,2,3…30min, step Imin Always On English/ltalian/German/French/Spanish/Finnish/ Language Table 5.10: Russian/Chinese Description of language and backlighting ATS022 1 SDH000760R0002 24 English Power and productivity for a better world

****** Page 25 ****** 5. Using the automatic transfer switch Diagnostics Installation and operating instructions, ATS022 The diagnostics section makes it possible to access the following pages: Values Measured: the voltage and frequency values measured on lines LNI and LN2 can be consulted on the display. Alarms Log: the latest alarms/events are displayed, up to a maximum of 20. The number of alarms is shown at the top of the page and the latest alarm is always at the top of the list. The log is cleared by selecting Clear Log and pressing Enter. Dia nostics Measure Va ues A arm Lo 2/2 SN: 12345678 Figure 5.5: Description of diagnostics menu ATS022 LNI: ULI-L2 UL2-L3 UL3-L1 LN2: ULI UL3 Hz oto v oto v LN2: ULI.L2 UL2-L3 I-Jo-Ll L-N Voltages LNI: ULI Esc Return Figure 5.6: Alarm Lo View Lo Clear Log g escReturn L -L Voltages diagnostics — values measured page ATS022 1/2 Alarm Log (2 alarms) 1: Close 2 Failure 2: Close 1 Failure ESC u r n Figure 5.7: 1 SDH000760R0002 diagnostics — Alarms Log page ATS022 25 a. Browse Power and productivity for a better world’ M

****** Page 26 ****** Installation and operating instructions, ATS022 5. Using the automatic transfer switch 5.6 Using pushbuttons in manual mode Opening/Closing circuit breakers CBi, CB2 In manual mode the circuit breakers can be controlled by means of pushbuttons CBI and CB2. In case of a fault, the alarms are activated by the same methods as those for the automatic switching sequence. Pressing the CBI key: • If CBI is closed, the opening command is sent to CBI • If CBI and CB2 are both open, the closing command is sent to CBI • If CBI is open and CB2 is closed, no operation is carried out Pressing CB2 key: • If CB2 is closed, the opening command is sent to CB2 • If CB2 and CBI are both open, the closing command is sent to CB2 • If CB2 is open and CBI is closed, no operation is carried out Opening/Closing circuit breaker CB3 In manual mode, combination of the UP and DOWN keys allows Opening/Closing of circuit breaker CB3. • CB3 opening: press the UP and DOWN keys simultaneously for at least 2 seconds. • CB3 closing: press the UP and DOWN keys simultaneously for at least 2 seconds. Manual Start/Stop of generator In manual mode, the combination of the RESET, CBI and CB2 keys allows Start/Stop of the generator. • Generator Start: keeping RESET pressed, press CBI • Generator Stop: keeping RESET pressed, press CB2 5.7 Test Modes ATS022 makes it possible to select two different test modes: • testing the entire switching procedure (complete Test) • generator start/stop test (gen set test) WARNING: when the test procedure ends, the user must make sure the device is not left accidentally in TEST mode Complete Test With ATS022 in manual mode, press TEST: all the LEDs, except Tx/Rx, flash twice simultaneously and then the Auto LED Auto flashes every 0.5 sec.; the graphic display shows the icon T. The test procedure varies according to the application selected: 1 SDH000760R0002 26 Power and productivity for a better world

****** Page 27 ****** 5. Using the automatic transfer switch 2 CBs 1. Press TEST; start generator (not performed if generator is NOT in use) 2. Press TEST; CBI Opening 4. Press TEST; CB2 Closure 5. Press TEST; CB2 Opening 6. Press TEST; CBI Closure 8. Press TEST; stop generator (not performed if generator is NOT in use) 3CBs NPL Bus Tie 1. Press TEST; start generator (not performed if generator is NOT in use) 2. Press TEST; CBI Opening 3. Press TEST; CB3 Opening 4. Press TEST; CB2 Closure 5. Press TEST; CB2 Opening 6. Press TEST; CB3 Closure 7. Press TEST; CBI Closure Press TEST; stop generator 8. (not performed if generator is NOT in use) Installation and operating instructions, ATS022 3CBs NPL 1. Press TEST; start generator (not performed if generator is NOT in use) 2. Press TEST; CBI Opening 3. Press TEST; CB3 Opening 4. Press TEST; CB2 Closure 5. Press TEST; CB2 Opening 6. Press TEST; CBI Closure 7. Press TEST; CB3 Closure (not performed if ATS022 has activated the DISCONNECTION ONLY function) 8. Press TEST; stop generator (not performed if generator is NOT in use) 3CBs Bus Tie 1. Press TEST; CBI Opening 2. Press TEST; CB3 Closure 3. Press TEST; CB3 Opening 4. Press TEST; CBI Closure 5. Press TEST; CB2 Opening 6. Press TEST; CB3 Closure 7. Press TEST; CB3 Opening 8. Press TEST; CB2 Closure Table 5.11: Description of complete TEST mode ATS022 At the end of the procedure, press TEST again to resume the sequence. Alarms, if any, on the protection devices control are activated in the same manner as the automatic and manual operating modes. The user can stop the TEST sequence by pressing the RESET. Gen Set Test This test mode makes it possible to test only the generator start and stop with the plant running without opreating the circuit breakers on the line in any manner whatsoever, only if the ATS022 is set with the generator in use, otherwise the Gen Set Test is not performed. 1 SDH000760R0002 27 Power and productivity for a better world’ M

****** Page 28 ****** Installation and operating instructions, ATS022 5. Using the automatic transfer switch With ATS022 in manual mode, keep the TEST key pressed for at least 3 seconds, on releasing the TEST key, all the LEDs, except Tx/Rx, flash simultaneously four times and then the Auto LED flashes at 0.5Hz; the graphic display shows the GT icon. The test procedure is as follows: 1. Press TEST; start generator 2. Press TEST; stop generator Table 5.12: Description of test method GEN SET ATS022 1 SDH000760R0002 28 Power and productivity for a better world

****** Page 29 ****** 6. 6. Input and output signals Input and output signals Installation and operating instructions, ATS022 6.1 Output signals (DOI…D012) DOI, D02, D03, D04: Circuit breakers open/close command Output signals DOI , D02, D03, D04 control the opening and closure of circuit breakers CBI and CB2 connected to ATS022. The control logic integrated in the device punctually checks the correct operation of the circuit breakers following the command. If the change in status of the circuit breaker is not received within 5 seconds of sending the command, the device considers the command as failed and operates as below: • alarm LED lights up. • D06 alarm output activation • D09 alarm output activation The alarm relative to the failed operation is recorded in the section concerned of the “Alarms Log”. To reset the alarm press RESET: the alarm is reset and ATS022 goes into manual mode. Press RESET again to bring ATS022 to automatic mode. D05 Emergency generator start/stop command Start and stop of the Emergency generator are controlled by means of a bistable relay, making it possible to maintain the generator start command even when the powersave mode runs out. • contact D05 (X23:1 ; X23:2 – NO): stop unit contact open start unit = contact closed • contact D05 (X23:2 ; X23:3 – NC): stop unit = contact closed start unit = contact open D06 Alarm signal When an alarm is generated, contact D06 switches, the switching logic is disabled and the alarm LED lights up. To reset the alarm press RESET: the alarm is reset, the Alarm LED turns Off and the ATS022 enters manual mode. Press RESET again to bring ATS022 to automatic mode. D07-D08 Not available D09 Circuit breaker operation failed alarm indication When the opening or closing command of a circuit breaker fails, contact D09 closes; the switching logic is disabled and the Alarm LED lights up. To reset the alarm press RESET: the alarm is reset, the Alarm LED turns Off and the ATS022 enters manual mode. Press RESET again to bring ATS022 to automatic mode. DOIO Automatic/Manual mode indication Contact DOI O indicates the operating mode of the device: • DOI O open: ATS022 operates in automatic mode • DOIO closed: ATS022 operates in manual mode DOI 1 CB3 circuit breaker control Depending on the operating mode set, contact DOI 1 allows control of only opening or opening/closing of circuit breaker CB3: Protection Devices selection 2 CBs 1 SDH000760R0002 DOII not used 29 NOTES Power and productivity for a better world’ M

****** Page 30 ****** Installation and operating instructions, ATS022 3CBs NPL 3CBs NPL Bus Tie 3CBs Bus Tie 6. used used used Input and output signals CT-AWE type timed relays required if selected opening&closing option CT-AWE* type timed relays required CT-AWE* type timed relays required *The CT-AWE must be adjusted with a time between 200ms and 300ms. Table 6.1: Description of DOI 1 functions – ATS022 D012 Logic enabled/disabled indication Contact D012 indicates whether switching logic is enabled or disabled: • D012 open: logic enabled • D012 closed: logic disabled 6.2 Input signals D”, D12 Status signals of circuit breakers CBi, CB2 Inputs Dll , D12 must be connected to auxiliary contacts of the status of the circuit breakers of the normal and emergency lines • Dll, D12 open: CB open • Dll, D12 closed: CB closed D13 Switching Logic Activation/Deactivation Input D13 is used for enabling/disabling the switching logic. The function may be used for integrating generic alarms coming from the plant the presence of which leads to disabling of ATS022 automatic switching logic. • D13 open: logic disabled • D13 closed: logic enabled D14, D15 Circuit breakers activation indication The auxiliary opening contacts of the normal and emergency lines must be connected to contacts D14, D15 for activation of the trip. • D14, D15 open: CB tripped • D14, D15 closed: CB not tripped In case of trip of a circuit breaker (CBI or CB2): • the trip indication contact opens • the switching logic is disabled • Alartm contact D06 is closed • contact D012 is closed • the Alarm LED lights up • the Auto LED switches Off To reset the TRIP indication press RESET. • The TRIP indication is reset • Alarm LED switches Off • ATS022 operates in manual mode • contact DOIO is closed Press RESET again to bring ATS022 to Automatic mode • contact DOIO is opened • the Auto LED lights up D16, D17 Circuit breakers CBI, CB2 removed/inserted position indication The auxiliary position contacts of the circuit breakers of the normal and emergency lines must be 1 SDH000760R0002 30 Power and productivity for a better world

****** Page 31 ****** 6. Input and output signals connected to inputs D16 and D17 in removable execution. • D16, D17 open: CB removed • D16, D17 closed: CB inserted If the circuit breaker is removed: • the position indication contact opens • the switching logic is disabled • Alartm contact D06 is closed • contact D012 is closed • the Alarm LED lights up • the Auto LED switches Off When the circuit breaker is inserted: the position indication contact closes the switching logic is re-enabled Alarm LED switches Off ATS022 operates in manual mode contact DOI O is closed Alarm contact D06 is opened contact D012 is opened the Auto LED switches Off To set the device in automatic mode press RESET • contact DOIO is Opened • the Auto LED lights up D18 Generator Alarm Installation and operating instructions, ATS022 Input D18 is used for connecting various alarms coming from the emergency generator: drop in oil pressure, Over Temperature, etc. Input D18 may be set as normally open (NO) or normally closed (NC) by means of the menu on the graphic display. In case of an active generator alarm • the switching logic is disabled • Alartm contact D06 is closed • contact D012 is closed • the Alarm LED lights up • the Auto LED switches Off • contact DOIO is closed • the display shows “generator alarm” When the D18 signal is deactivated: • Alarm LED switches Off • Alarm contact D06 is opened • contact D012 is opened • ATS022 operates in manual mode • the “generator alarm” message disappears from the display To set the device in automatic mode press RESET • contact DOIO is Opened • the Auto LED lights up D19 Forced switching on emergency power supply line In certain industrial processes, supply of power from the emergency generator may be required instead of from the normal power supply line, for brief moments, in order to avoid possible operating anomalies of the supply and ensure high levels of reliability. 1 SDH000760R0002 31 Power and productivity for a better world’ M

****** Page 32 ****** Installation and operating instructions, ATS022 6. Input and output signals In automatic mode, by activating input D19 the forced switching procedure is started up on the emergency line: • Generator Start • opening of circuit breaker on normal line • closure of circuit breaker on emergency line The power supply from the emergency line persists as long as the command remains active. When the command is deactivated, the unit proceeds with the switching procedure on the normal line. 2 CBs: If D19 is closed: • Generator Start • Opening of circuit breaker CBI • closure of circuit breaker CB2 If D19 is open: • opening of circuit breaker CB2 • closure of circuit breaker CBI • generator stop 3CBs NPL: If D19 is closed: • Generator Start • Opening of circuit breakers CBI and CB3 • closure of circuit breaker CB2 If D19 is open: • opening of circuit breaker CB2 • closure of circuit breakers CBI and CB3 • generator stop 3CBs NPL BUS TIE: If D19 is closed: • Generator Start • Opening of circuit breakers CBI and CB3 • closure of circuit breaker CB2 1 SDH000760R0002 32 Power and productivity for a better world

****** Page 33 ****** 6. Input and output signals If D19 is open: • opening of circuit breaker CB2 • closure of circuit breakers CB3 and CBI • generator stop DIIO Programmable input Installation and operating instructions, ATS022 The function associated with input DIIO can be selected from the menu on the display, from among the following options: • forced generator start: this function makes it possible to test the correct switching ON/OFF of the generator with the plant running Contact type set NC NO Description of function Open —gen start; Closed = gen stop Closed —gen start; Open = gen stop • Enabling automatic switching logic: this function makes it possible to inhibit the automatic switching logic of the device following an alarm present in the field. The logic can, however, be disabled if one of the conditions involving the disabling exist Contact type set NC NO Description of function Closed = switching enabled; Open switching disabled Open = switching enabled; Closed switching disabled • Reset from Remote: this function allows reset of the device logic in remote by means of remote actuator. Contact type set NC NO Description of function Closed = remote reset not active; Open = remote reset active Closed = remote reset active; Open = remote reset not active • Emergency Block: this function allows prior opening of both circuit breakers of the power supply and emergency lines and permanent disabling of the switching logic. This function can be used, for example, in case of an alarm coming from a fire-fighting system which requires immediate opening of the circuit breakers and disabling of the switching logic. Contact type set NC NO Description of function Closed = emergency block not active; Open = emergency block active Closed = emergency block active; Open = emergency block not active Input DIIO may be set as normally open (NO) or normally closed (NC) by means of the menu on the graphic display. Linea 1 Lineal Ligne 1 Leitung 1 Ulli CIOSea: clog Uscita per controllo CBI Output to control CBI Salida para control CBI Sortie controle CBI A.ang zur CBI Uscita per controllo CB2 Output to control CB2 Salida para control CB2 Sortie pour controle CB2 1 Ausgang zur steucrung CB2 ATS022 I-NI 005 DOS DOI 002 D03 004 013 Dll D12 LN2 Linea 2 Ll Line2 .L2 Linea2 Ligne 2 N Leitung 2 IJscita per controllo Gen Start/Stop Output to control Gen Start/Stop Salida para control Gen Start/Stop Sortie pour controle Gen Start/Stop Ausgang zur steuerung Gen Start/Stop IJscita controllo Output to control CB3 Salida para control CB3 Sortie pour controle CB3 gang zur steuerung CB3 ductivity X Start Stop DOI I COM DOI 1 D06 007 DOB DOS x

****** Page 34 ****** Installation and operating instructions, ATS022 Figure 6.1: Control circuit diagram ATS022 Connectors Description Xl XII:2 XII:3 X12:1 X12:2 X41 : 1 X41:2 X21:1 X21:2 X21:3 X22:1 X22:2 X22:3 X23:1 X23:2 X23:3 X24:1 X24:2 X24:3 X29:1 X29.2 X29:3 X29:4 X29.5 X29:6 X29.•7 X31:1 X31 :2 X31 X31 X32:1 X32.2 Normal Line LNI: Ll Normal Line LNI: L2 Normal Line LNI: L3 Normal Line LNI: N Emergency Line LN2: Ll Emergency Line LN2: L2 Emergency Line LN2: L3 Emergency Line LN2: N + Auxiliary power supply – Auxiliary power supply Com CBI opening command CBI closure command Com CB2 opening command CB2 closure command generator start/stop command Com generator start/stop command CB3 opening command Com CB3 closure command ATS022 unit alarm indication not used not used circuit breakers command alarm indication automatic/manual mode indication logic enabled/disabled indication Com logic enabling input CBI status input CB2 status input Com CB3 status input programmable input 1 SDH000760R0002 6. DI/DO DOI D02 D03 D04 D05 D05 DOI 1 DOI 1 D06 D07 D08 D09 DOI O D012 D13 Dll D12 Dill DIIO 34 Input and output signals Type NO NO NO NO Open —gen stop; Closed = gen start Closed —gen stop; Open = gen start NO NC Open = no alarm; Closed = alarm Open no alarm; Closed = alarm Open = Automatic; Closed Manual Open logic enabled; Closed = logic disabled Open = logic disabled; Closed logic enabled 0=CB open; I—CB closed 0=CB open; I—CB closed 0=CB open; I=CB closed NO/NC Power and productivity for a better world

****** Page 35 ****** 6. Input and output signals Connectors Description X32:3 X32:4 X32.5 X32:6 X32:7 X32:8 X32.9 X51 X51 :2 X52:3 X61 Table 6.2: switching forcing input generator alarm input CBI position input CB2 position input CBI trip input CB2 trip input Com Modbus DATA B Modbus DATA A Modbus GND Earth connection DI/DO D19 DIB D17 D16 D15 D14 Installation and operating instructions, ATS022 Type NO NO/NC 0=CB removed; I—CB inserted 0=CB removed; I—CB inserted 0=no CB trip; I—CB trip 0=no CB trip; I—CB trip Description of function and type connector ATS022 1 SDH000760R0002 35 Power and productivity for a better world’ M

****** Page 36 ****** Installation and operating instructions, ATS022 7. Technical data ATS022 Three-phase voltage used Connected voltage Phase voltage Safety auxiliary voltage Frequency Single-phase voltage used Phase voltage Safety auxiliary voltage Frequency Measurement precision Voltage Frequency Relay utilization category Relay/connectors utilization category Over voltage category Power consumption IP rating Device weight Operating temperature Storage temperature Humidity Altitude NOTES 7. Value 1 ooVac – 480Vac (+/-20%) 57,7Vac – 277Vac (+/-20%) 24Vdc – 110 Vdc (-10% / +15%) 50-60-400-16 2/3 Hz 57,7Vac – 277Vac (+/-20%) 24Vdc – 110 Vdc (-10% / +15%) (2 50-60-400-16 2/3 Hz (3 1% 1% 8 A, ACI , 250 V 6 A, ACI , 250 V Ill, Uimp 6 kV Max 12W IP20 1314g -20 / +60 oc -25 / +800C T=25…600C Max. 2000m Technical data (1 In single-phase system it is not possible to select Un 100 V, 115 V, 120 V. (2 In single-phase system, if Un is between 57.7 – 109 V an auxiliary safety power supply is necessary (3 In case of rated frequency 16 2/3 Hz, an auxiliary safety power supply must be used. If the rated voltage is greater than 100 VAC external transformers must be used. (4 If the ATS022 is used in environments with extremely low temperatures (less than – 100C) it is advisable to use a safety auxiliary power supply to avoid display problems of the graphic display. Table 7.1 : Technical data ATS022 1 SDH000760R0002 36 Power and productivity for a better world

****** Page 37 ****** 8. 8. Installation of device ATS022 Installation of device ATS022 Installation and operating instructions, ATS022 The automatic transfer switch ATS022 can be mounted on the front of the panel door or on DIN rail. 8.1. Door-mounted Automatic Transfer Switch ATS022 The Automatic Transfer Switch ATS022 can be door-mounted as shown in Figure 8.1 . Figure 8.1: Door-mounted ATS022 1 SDH000760R0002 37 139 91 Power and productivity for a better world’ M

****** Page 38 ****** Installation and operating instructions, ATS022 8. Installation of device ATS022 8.2. DIN rail-mounted Automatic Transfer Switch ATS022 The automatic transfer switch ATS022 can be mounted on a 35mm DIN rail as shown in Figure 8.2. Figure 8.2: Togliere DIN rail-mounted ATS022 1 SDH000760R0002 35mm EN 50022 38 145 ./ZZZ ..ezz mm .m.441Z Power and productivity for a better world

****** Page 39 ****** 9. 9. Regulatory standards Regulatory standards Installation and operating instructions, ATS022 ATS022 conforms to the following regulatory standards: European Directive 73/23 “I-VD — Low Voltage Directive” EN 50178 electronic equipment for use in power Installations EN-IEC 62103 electronic equipment for use in power Installations EN-IEC 60947-5-1 low voltage switchgear and control gear: control circuit devices and switching elements Electromagnetic compatibility EN 50081-2, EN 50082-2 Environmental conditions IEC 68-2-1 , IEC 68-2-2, and IEC 68-2-3 EN-IEC 61000-4-2: Electromagnetic compatibility (EMC) – Part 4: Testing and measurement techniques Section 2: Electrostatic discharge immunity test Basic EMC Publication (IEC 61000-4-2 [8KV air, 4KV cont]) EN-IEC 61000-4-3, Electromagnetic compatibility (EMC) – Part 4: Testing and measurement techniques Section 3: Radiated, radio-frequency, electromagnetic field immunity test (IEC 61000-4-3 [level EN-IEC 61000-4-4, Electromagnetic compatibility (EMC) – Part 4: Testing and measurement techniques Section 4: Electrical fast transient/burst immunity test Basic EMC Publication (IEC 61 OOO- 4-4 [level 2/31) EN-IEC 61000-4-5, Electromagnetic compatibility (EMC) – Part 4: Testing and measurement techniques Section 5: Surge immunity test (IEC 61000-4-5 [level 1/21) EN-IEC 61000-4-6: Electromagnetic compatibility (EMC) – Part 4: Testing and measurement techniques (IEC 61000-4-6 [level 31) EN-IEC 61000-4-8: Electromagnetic compatibility (EMC) – Part 4: Testing and measurement techniques (IEC 61000-4-8 [level 51) EN 50093, Electromagnetic compatibility (EMC) – Part 4: Testing and measurement techniques Section 1 1 : Voltage dips, short interruptions and voltage variations immunity test (IEC 61000-4-11 , [100ms/5s] B, C criterion) CISPRI 1 (30MHz…1 GHz): Emission (Generic Standard, Industrial) — Radiated CISPRI 1 (0.15MHz…30MHz): Emission (Generic Standard, Industrial) — Conducted CISPR/CEI 1000-6-3: Part 6: Generic standards — Section 3: Emission standard for residential, commercial and light-industrial environments IEC 60068-2-2: Environmental testing. Part 2: Tests. Test B: Dry heat IEC 60068-2-6: Environmental testing. Part 2: Tests. Test Fc: vibration (sinusoidal) IEC 60068-2-27: Environmental testing. Part 2: Tests. Test Ea and guidance: shock IEC 60068-2-30: Environmental testing. Part 2: Tests. Test Db and guidance: Damp heat, cyclic IEC 60068-2-1 : Environmental testing. Part 2: Tests. Test A: cold (-20 oc ± 3 oc, 16 hours) 1 SDH000760R0002 39 Power and productivity for a better world’ M

****** Page 40 ****** Installation and operating instructions, ATS022 10. Troubleshooting The alarms are shown by means of a message on the ATS022 display. The Alarm messages are shown in the Table below: Table 10.1 : Alarms ATS022 I O. Troubleshooting Alarm Fault circuit breaker CBI on normal line CBI opening failed does not open within 5s circuit breaker CB2 on emergency CB2 opening failed line does not open within 5s circuit breaker CB3 bus-tie does not CB3 Opening failed open within 5s circuit breaker CBI on normal line CBI closure failed does not close within 5s circuit breaker CB2 on emergency CB2 closing failed CBI removed CB2 removed Logic block External fault Trip CBI Trip CB2 Generator alarm line does not close within 5s circuit breaker CB2 is removed circuit breaker CB2 is removed Enabled/disabled logic input D13 inactive Both circuit breakers are closed (Dll and D12 active) Circuit breaker CBI has tripped Circuit breaker CB2 has tripped Generator alarm input D18 active Table 10.1: Alarms ATS022 1 SDH000760R0002 40 Action the alarm can be reset by means of the RESET button. the alarm can be reset by means of the RESET button. the alarm can be reset by means of the RESET button. the alarm can be reset by means of the RESET button. the alarm can be reset by means of the RESET button. The logic is blocked and ATS enters manual mode. Reset by inserting CBI. The logic is blocked and ATS enters manual mode. Reset by inserting CB2. The logic is blocked. Reset by activating D13 Check wiring The logic is blocked as long as input D14 is deactivated The logic is blocked as long as input D15 is deactivated The logic is blocked as long as input D18 is activated Power and productivity for a better world

****** Page 41 ****** 1 SDH000760R0002 41 Installation and operating instructions, ATS022 Power and productivity for a better world’ M

****** Page 42 ****** For more information please contact: Due to possible development of Standards as well as of materials, the characteristics and dimensions specified in this Installation and operating instructions may be considered as binding only after confirmation by ABB SACE Division. O Copyright 2011 ABB. All rights reserved. ABB S.p.A. ABB SACE Division Via Baioni, 35 24123 Bergamo – Italy Phone: +39 035 395 11 1 Fax: +39 035 895 306 – abb.com Power and productivity for a better worldTM agg


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