Kentec Electronics K25000 Series Page 1 Installation, Commissioning And Operating Instructions Download

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Man-1128_K25400_series_Power_Supply_Manual_15

Page

K25000 & KD25000 Series

Fire Alarm Power Supplies

Installation, Commissioning and

Operating

Manual

Man-1128

Issue 15 October 2019

Summary of Contents for K25000 Series

Page 1: ...Man 1128_K25400_series_Power_Supply_Manual_15 Page 1 of 20 K25000 KD25000 Series Fire Alarm Power Supplies Installation Commissioning and Operating Manual Man 1128 Issue 15 October 2019...

Page 2: ...Load Connections Terminal Block 6 3 4 2 Load Connections Ribbon Cable 6 3 4 3 Load connections optional dual transmission path PCB fitted 7 3 4 5 Fault output contact connections 8 3 4 6 Battery Conn...

Page 3: ...dels 2 5Amps 1 0 A for battery charging Maximum ripple 1 Volt Imax a Rated maximum output current which can be supplied continuously K25400 models 4A K25250 models 2 5A Imax b Rated maximum output cur...

Page 4: ...ing positions It should be positioned in an accessible place as agreed with the end user The unit should not be mounted in another enclosure or near sources of excessive heat Cables should be connecte...

Page 5: ...tage wiring such as 24V supply wiring and battery leads Ensure that all wires are fitted into the terminals without any exposed lengths or strands which may give rise to exposure to electrical shock T...

Page 6: ...y be used to connect to the load and fault signals See below When used in the K25000 series boxed power supplies the load connection terminals detailed in 3 4 1 above must be used as the primary power...

Page 7: ...e alarm control and indicating equipment with two separated 24V DC inputs is compatible with these power supply units Care must be taken to connect the polarity the correctly on the RPSM2 PCB to on th...

Page 8: ...d red for and black for and are fitted with standard inch push on spade connectors suitable for batteries of up to 12Ah capacity Larger capacity batteries have screw on terminals and the standard batt...

Page 9: ...ply with the requirements of EN54 4 this switch setting must not be used when the power supply is being used to power fire alarm detection and control equipment Battery disconnected fault warning disa...

Page 10: ...harge current is low while the charger output current is at the maximum limit EARTH FAULT The 24V DC output has a low resistance path to earth AC NORM Mains power is connected 5 Commissioning Once all...

Page 11: ...batteries consistently operating in higher ambient temperatures should be replaced more frequently Batteries with a manufacturing date older than 6 months are not recommended for use with this equipm...

Page 12: ..._Power_Supply_Manual_15 Page 12 of 20 8 Power Supply Unit Dimensional Drawings 385mm 285mm POWER ON POWER FAULT 90mm KD25250M2 and KD25250M2 WT 385mm 520mm POWERON POWERFAULT 110mm KD25250M3 KD25400M3...

Page 13: ...an 1128_K25400_series_Power_Supply_Manual_15 Page 13 of 20 POWER ON POWER FAULT 500mm 355mm 105mm KD2540003 KD2525003 K2540003 and K2525003 POWER ON POWER FAULT 500mm 400mm 190mm KD2540015 and K254001...

Page 14: ...lead thermistor must be affixed to one of the batteries using Scotch 27 Glass Cloth Electrical Tape or equivalent A suitable piece of this tape is supplied holding the temperature sensor to the power...

Page 15: ...ower supply output cables Extra Low voltage wiring Cable for low voltage wiring should be a minimum size of 1 0mm2 and rated for at least 30V DC Keep all Extra Low voltage wiring separate from mains w...

Page 16: ...power supply unit 7 Carefully remove the two M4 screws on the left side of the power supply unit ensuring any washers ring crimps are kept safe These screws are located in the top left corner of the...

Page 17: ...he power supply Note When the power supply is removed from the panel enclosure it is possible to view the link location on the circuit board through an aperture in the outer cover at the top of the po...

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