Battery Lowering Device V.2 Quick Start Guide 1 Smart Battery Lowering Device In the event of a power loss, the Smart Battery Lowering Device (BLD) will move the elevator to the nearest floor and open the doors. WARNING DO NOT TOUCH THE BOARD WHILE THE BATTERY LOWERING OPERATION IS IN PROCESS DUE TO HIGH VOLTAGE.
Battery Lowering Device V.2 Quick Start Guide 2 Turning On the BLD Ensure the batteries in the BLD are charged and the switch is in the ON position. The batteries will continue charging as long as the 120 and N terminals are connected to 120 VAC and the BLD is not outputting power.
Battery Lowering Device V.2 Quick Start Guide HB: Indicates power is on and the BLD is operational. Charge: Solid indicates the battery is charging. Test LED: Indicates testing when DIP 3 is turned ON. FLT LED: Flashes in cycles to indicate the state and any faults in the BLD [see Figure 5].
Battery Lowering Device V.2 Quick Start Guide DIP Switches DIP 1: Manual Battery Output (5 seconds) DIP 2: Not used DIP 3: Manual Battery Test (LED C indicates test) DIP 4: Not used NOTE: All four DIP switches are set to OFF by default.
Battery Lowering Device V.2 Quick Start Guide Wiring Based on Main Line Voltage The Battery Lowering Device can be configured to operate with 208 VAC, 240 VAC, or 480 VAC main line power. Main Line Voltage: 208 VAC L2 Line...
Battery Lowering Device V.2 Quick Start Guide 4 Testing Procedure WARNING DO NOT TOUCH THE BOARD WHILE THE MAIN POWER IS ON OR THE BLD IS IN OPERATION. Pre-Test Requirements: Before powering up the BLD, perform the following checks: 1. Verify continuity between the following points: ...
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Battery Lowering Device V.2 Quick Start Guide NOTE: The maximum AC output voltage is 240 VAC for both 240 VAC and 480 VAC main lines. 11. During the rescue operation, measure the battery DC voltage between ST1 and ST2. The voltage should decrease slowly under load and should not drop rapidly.
Battery Lowering Device V.2 Quick Start Guide 6 Safety IMPORTANT: Follow the safety precautions closely when removing or replacing batteries to prevent injury or equipment damage: CAUTION: Risk of explosion if a battery is replaced with an incorrect type. CAUTION: A battery can present a risk of electrical shock and high short-circuit current.
Battery Lowering Device V.2 Quick Start Guide 7 Battery Removal and Replacement This section provides important instructions to be followed during the installation and maintenance of the BLD unit. NOTE: Battery servicing should be performed or supervised by personnel knowledgeable in batteries and the necessary precautions.
Battery Lowering Device V.2 Quick Start Guide 5. Remove the screws from ST1 and ST2. 6. Remove screws, lock washers, washers, and nuts from the power and ground cables. 7. Move the power and ground cables away from the battery set and cabinet.
Battery Lowering Device V.2 Quick Start Guide 9 Specifications The table below lists the power rating specifications for the BLD: Specification Value Charge Mode AC Input Voltage 120 VAC Input Frequency 60 Hz Input Current to Charging Transformer 500 mA max...
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