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Man-1152_K25800_series_Power_Supply_Manual_05                  Page 2 of 18 
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This denotes variants tested & approved by the LPCB 

 

Section                                                                

Page 

 

1. General ................................................................................................................................. 3

 

2. Power Requirements ............................................................................................................... 3

 

2.1 Input/Output Electrical Ratings ................................................................................................................ 3

 

2.2 Fuse Ratings ......................................................................................................................................... 3

 

2.3 Batteries ............................................................................................................................................... 3

 

3. Installation ............................................................................................................................ 3

 

3.1 Environmental Considerations ................................................................................................................. 3

 

3.2 Mounting .............................................................................................................................................. 4

 

3.3 Connecting to the mains Input................................................................................................................. 5

 

4. Connecting to the Outputs ....................................................................................................... 6

 

4.1 Load Connections (Terminal Block) .......................................................................................................... 6

 

4.2 Load Connections (Ribbon Cable) ............................................................................................................. 7

 

4.3 Load connections (with optional dual transmission path PCB fitted) .............................................................. 8

 

4.4 Fault output contact connections.............................................................................................................. 9

 

4.5 Battery Connections ............................................................................................................................... 9

 

5. DIP switch settings ............................................................................................................... 10

 

5.1 Disabling battery disconnected indication ................................................................................................ 10

 

5.2 Disabling the battery impedance test ..................................................................................................... 10

 

5.3 Disabling earth fault indication .............................................................................................................. 10

 

6. Indicators ............................................................................................................................ 11

 

9. Standby batteries ................................................................................................................. 12

 

9.1 Compatible batteries ............................................................................................................................ 12

 

10.  Power Supply Unit Dimensional Drawings .............................................................................. 13

 

11. Temperature Sensor Mounting .............................................................................................. 15

 

12. Cabling .............................................................................................................................. 17

 

 

 

 

 

 

 

 

 

 

 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Summary of Contents for K25800 Series

Page 1: ..._series_Power_Supply_Manual_05 Page 1 of 18 This denotes variants tested approved by the LPCB K25800 KD25800 Series Fire Alarm Power Supplies Installation Commissioning and Operating Manual Man 1152 Issue 05 July 2016 ...

Page 2: ...g to the Outputs 6 4 1 Load Connections Terminal Block 6 4 2 Load Connections Ribbon Cable 7 4 3 Load connections with optional dual transmission path PCB fitted 8 4 4 Fault output contact connections 9 4 5 Battery Connections 9 5 DIP switch settings 10 5 1 Disabling battery disconnected indication 10 5 2 Disabling the battery impedance test 10 5 3 Disabling earth fault indication 10 6 Indicators ...

Page 3: ...ce in battery charging circuit before a fault is indicated 0 4 ohms Battery charging output voltage 26 4 V DC at 40 C to 28 9 V DC at 5 C Battery charging current 2 25 Amps maximum Fault signals Switched negative open collector with respect to load positive current limited 100mA max and common volt free relay contact Battery disconnected Low battery shutoff voltage 19 V 1 volt Mains fail Battery v...

Page 4: ...cable entry points are required all swarf and debris caused by drilling of additional cable entries must be cleared before power is applied to the unit The equipment is of Class1 construction so must be permanently and reliably connected to the fixed earth of the installation The primary earth of the end use application must be permanently marked with the protective earth symbol IEC415 No 5017 A s...

Page 5: ...voltage 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 This equipment is designed to be operated from 230V 50Hz or 120V 60Hz mains supplies and is of class 1 construction As such it must be connected to a protective earthing conductor in the fixed wirin...

Page 6: ...4 BAT 13 1 AREA 2 HOST I F NC C NO GE N TBL HRT BAT FLT LOW BATT AC FLT RTN 24V NORM GEN s l o t s l o t slot TB6 2 1 TB6 2 1 Positive Negative Load connections to terminal block Ribbon cable connections Fault relay When supplying high load currents such as the K25800 series of power supplies are capable of volt drop in cables should be considered Larger cables have less volt drop so if long cable...

Page 7: ...he load and fault signals See below The ribbon cable should not be used alone for load power but always in conjunction with connections to the load terminals 24V DC and DC RTN as described in 3 4 1 above Pin 1 Negative Pin 2 Negative Pin 3 Negative Pin 3 Negative Pin 5 Positive 24V Pin 6 Positive 24V Pin 7 Positive 24V Pin 8 Positive 24V Pin 9 Battery disconnected Pin 10 Mains failed Pin 11 Batter...

Page 8: ...d indicating equipment and the connections OUT2 and OUT2 should be connected to the other power input of the fire alarm control and indicating equipment Only fire 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 the control panel and on the RPSM2 PCB to...

Page 9: ...lies have battery leads already wired to the battery terminals on the circuit board These leads are coloured 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 battery leads will need to be replaced with the ones supplied in the accessory pack Take care tha...

Page 10: ...pedance test and fault reporting by setting switch 1 to the ON position switch 3 to the OFF position 5 3 Disabling earth fault indication In applications where the output cannot be isolated from earth the earth fault warning indication and subsequent operation of the common fault relay may be disabled by setting switch 1 to the ON position switch 2 to the OFF position switch 3 to the ON position a...

Page 11: ... Once all connections have been made and checked for safety ensure that batteries are correctly connected and switch on the mains power Check that the AC Normal LED is on Check that the Heartbeat LED is flashing slowly Check that power is being supplied to the load with a volt meter A voltage of 24V 1V should be read Remove the mains power and ensure that the batteries continue to supply power to ...

Page 12: ...ures should be replaced more frequently Batteries with a manufacturing date older than 6 months are not recommended for use with this equipment Sealed lead acid batteries can liberate hydrogen during normal use The KD25800 and K25800 series of power supplies have adequate ventilation to allow this hydrogen to disperse normally and safely therefore additional sealing or mounting inside a sealed enc...

Page 13: ...Man 1152_K25800_series_Power_Supply_Manual_05 Page 13 of 18 This denotes variants tested approved by the LPCB 10 Power Supply Unit Dimensional Drawings ...

Page 14: ...Man 1152_K25800_series_Power_Supply_Manual_05 Page 14 of 18 This denotes variants tested approved by the LPCB POWER ON POWER FAULT WT 385mm 520mm POWERON POWERFAULT 110mm K25800 M3 AND KD25800 M3 ...

Page 15: ...atteries the flying 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 supply chassis KD25800M3 K25800M3 KD25800D3 and K25800D3 sensor mounting position C2 230V BATTERY BATTERY Fit temperature sensor here KD2580003 AND K2580003 sensor mounting positio...

Page 16: ...52_K25800_series_Power_Supply_Manual_05 Page 16 of 18 This denotes variants tested approved by the LPCB KD2580014 and K2580015 sensor mounting position RP SM2A 230V BATTERY BATTERY Fit temperature sensor here ...

Page 17: ...cation Maximum cable size is limited to 4mm Keep all mains wiring separate from the Extra Low Voltage ELV battery cables and power 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 wiring All cable entries to the enclosure must be via suitable cable termin...

Page 18: ...d by the LPCB Fit supplied ferrites by looping the cores of not the outer sheath the load output cables and cable connected to fault contact once through the ferrite as shown below For versions fitted with dual power output For versions not fitted with dual power output RPSM2A MAINS IN FAULT LOAD ...

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