F3200/NDU AS4428.1 Installation Manual Document No: LT0255
System Specifications
Page 3-4 30 June 2004 Issue 1.04
3.3 ELECTRICAL SPECIFICATIONS
3.3.1 MAINS SUPPLY
Voltage : 240Vac +6% -10%
Current : 0.5A
Frequency : 50Hz
Termination : For up to 2.5sq mm TPS
3 Way block with wire protectors
3.3.2 BATTERY CHARGER & PSU
Input Voltage : 31Vac rms
(Transformer sec)
Charger Voltage : 27.3Vdc (nominal at 20°C)
Temperature : -36mV per °C nominal
Compensation
Non-Battery Backed : 28.0 nominal
Voltage
Max Total Current : 3Adc for std PSU (Charger, Quiescent & Alarm)
6Adc (for 6A PSU only)
Max Warning System : 2Adc
Current
Max. Ancillary : 2Adc
Current on VBF1
Max. Ancillary : 2Adc (allows 3A max LED Display)
Current on VBF2
Max. Ancillary : 2Adc (e.g. for door holders)
Current on VNBF
(VBF <-> battery backed, fused. VNBF <-> non-battery backed, fused)
Current Limit Standard PSU 6A PSU
Battery to
MAF/PSU : PTC, 6A nom, 3.6A min (see notes below)
PSU/Charger : 3.3A nom, 3.0A min 6.7A nom, 6.0A min
Notes 1) : The 6A PSU is factory fitted in the FP0782 and FP0783. It is
not available in the FP0784.
2) : For the 6A PSU, the PTCs on the MAF are shorted out and a
Derwent 10A thermal cut-out is wired between the battery +
terminal and the MAF/PSU.
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