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Table of Contents
Summary of Contents for VAS PS21
- Page 1 VAS-PS21 VAS-Power supply Operation manual VAS Tronics 2016 www.vastronics.com...
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Page 2: Table Of Contents
5 Appendixes ........................7 1 Purpose of VAS-Power Supply Power supply unit VAS-PS21 is created to supply backup low voltage (12V and 24V) to power amplifiers and other equipment of Public Address and Evacuation management system. Unit also may be used to supply power to emergency light system, other technical systems such as light emergency signs, electromagnetic locks of emergency exits, siren generators etc. -
Page 3: Description
In case of excess above limits electric protection may switch off the outputs. When unit is supplying by built-in batteries it can distribute following current from powerful switched 24V output: 21A for VAS-PS-21 Unit has built-in battery charging and condition control system, as well as temperature controller of each battery. - Page 4 Pic.1 Structural diagram. 24V Output control input is calculated on 24V and located on the rear panel of the unit. 220V output control input is calculated on 220V and located on the rear panel of the unit as euro socket. 3.3 Controls and indication located on the front panel description.
- Page 5 Open collector type Start output. Close to the ground in case of voltage supply to switchable 24V and/or 220V outputs. Typical connection diagrams of power supply unit “VAS-PS-XX” as part of Public Address and Evacuation management system are shown on appendixes 1-5.
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Page 6: Warranty
We recommend to use cables in thermo proof isolation with following cable cross- section: not less than 2.5 mm for VAS-PS-21. 4 Warranty Warranty period for the device is 24 months from the moment of sale. -
Page 7: Appendixes
5 Appendixes Appendix 1 One or several power amplifiers main and backup power control diagram. - Page 8 Appendix 2 24V light signs connection diagram...
- Page 9 Appendix 3 24V evacuation light connection diagram...
- Page 10 Appendix 3 24V evacuation light connection diagram (var. 2)
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