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    AUTOMATIC / EMERGENCY RESCUE DEVICE (ARD / ERD)

    Automatic / Emergency Rescue Device (ARD / ERD) is a device Installed for an Elevator which is only used Incase of a power failure or blackout in a building. An ARD / ERD is exremely useful for preventing passengers from becoming trapped Inside an Elevator during a power failure.


    Automatic / Emergency Rescue Device Back-up is a Static converter which is used to generate Double Phase output with pure sine wave to supply power for  Lift / Elevators during Grid failure and switch it OFF after receiving  rescue signal (DZ Signal). Powertek  provide 5 manually selectable timers 0 Sec, 6 Sec,12 Sec, 20 Ssec & 30 Sec  to switch off  ARD / ERD after receiving DZ Signal.but if rescue (DZ Signal) not received from control panel, ARD / ERD will shutdown automatically after  3 Mint. for saving DC power  of  SMF Batteries for next cycle when Mains Supply restored.  ARD / ERD Back-up consists primarily of a sinewave inverter  with SMPS type Battery charger  & change over module with SMF  Batteries. The charger is a controlled rectifier that provides a constant voltage and  constant current  to charge the Battery bank when the Mains Input  supply is available.

    KEY FEATURES

    * Advance Operation Mode

    * Compatible with Generator

    * Pure Sinewave Output

    * Easy Installation

    * Long Run Battery

    * Compact size also avilable in wallmounting Cabinet

    * Complete Installation support by Industry experts

    * Improved charge for Low AH Batteries.

    PRODUCT DETAILS
    Product name Automatic / Emergency Rescue Device (ARD / ERD)
    Series ACE Series
    Model No. VX - 15
    Rating 15 HP
    Operating DC voltage 72V
    No. of Batteries 6
    MAINS MODE
    No of Phase 3 Phase - 4 Wire R, Y, B, N
    Voltage Range 165V - 270V AC
    Main low Recovery Range 10V
    Main High Recovery Range 5V
    Frequency Range 50 Hz +/- 3%
    Battery Charging Stages 3
    INVERTER MODE
    Switching Power Device Mosfet
    Control PWM
    Output voltage 440V AC +/- 1%
    Phase 2 Phase - 2 wire R, Y
    Output Waveform Pure Sine Wave
    Frequency 50 Hz (Free running)
    Changeover Time UPS/ARD to Mains Three second
    Changeover Time Mains to UPS/ARD = 12s
    Rated Output Power Factor 0.8
    Switch ARD / ERD ON/OFF
    LED Indication Inverter ON, Batt. Low,/High, Overload, Mains Charging ON, Mains ON @ DZ.
    Alarm Battery Low, Overload, Charger ON, Inverter ON
    Protection Overload, short Circuit Protection, over Voltage, Mains Surge and Transient  Protection (MOV Varistors), Reverse Polarity of Batt., Over Tempeature Protection Under Voltage and Over Voltage Protection.
    Operating Temp 0 - 50°C
    Operating Humidity (RH Value) < 95
    Protection Class IP 20
    Low Cut Off 10V/Batt. +/- 2%
    Battery Low Buzzer 10.5V/ Batt. +/- 2%
    Low Cut off Recovery 12V/ Batt. +/- 2%
    High Cut Off 15.5/Batt. +/- 2%
    High Cut off Recovery 15.0/Batt. +/- 2%
    Charging Current by Grid 1 to 3 +/- 2% (Selectable)
    OUTPUT
    Output @ No. Load 440 +/- 2%
    Output Freqency 50Hz +/- 2%
    Output @ Full Batt. to Low Batt. 220 +/-
    Output Low Cut 330V
    Output High Cut 520V
    Output Low Retry 1 Time
    Output Short Circuit 1 Time
    UPS/ARD Backup Time 3 Minutes
    No Load Batter Current 2%
    Overload 3.6A/KVA
    CHARGER
    Switching Element Mosfet
    Control Type Microcontroller
    Type of Charger Booster
    Efficiency 95%
    Battery Charging Stages 3 Stage Battery Charging to Keep Batteries Ready for Rescue
    Power Factor 0.8
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