VPS-100US-120 XTRALIS Power Supply for VESDA detectors

The VESDA Power Supply is capable of providing operating power including battery backup for the entire VESDA Laser Smoke Detector product line. The VESDA Power Supply has been designed to power a single unit to multiple units depending on application needs. It provides 24 volt operating power to the VESDA system as well as a battery charger function which supervises and maintains the standby batteries.

Installation

The VESDA Power Supply models VPS-100US and VPS300US are power-limited power supplies. They convert 120VAC/60Hz input into 24 VDC power-limited outputs. The VPS units are intended for use in applications requiring UL ULC and CSFM listing for fire protection signalling. The VPS-100US or VPS-300US shall be installed in accordance with the National Electric Code (NFPA 70) and in accordance with any local regulations. See wiring diagrams for proper assembly.

Fault Reporting

A Power Supply Fault indicator is provided via a dry relay contact (Form C) which changes state due to the following conditions:

• AC input loss

• Low AC input voltage (Brown-out)

• Loss of battery voltage

• A short circuit of the battery leads

• A short circuit of any of the DC power outputs

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