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ESPRIT Gas Extinguishing User Manual
Electrical Specification Inputs & Outputs – TPC2879-206 PSU PCB for Single and Dual
Flood Zone Panels
Terminal capacity
PSU Input +/- to PCB
28V+, 0V- power output
Common fire relay
Common fault relay
Inputs: CC, PULSE
SOUNDERS 1 & 2
PBUS Output + / -
Temp Sense Input * *
Electrical Specification Inputs & Outputs – TPC2883-206 Gas Card PCB – 1 fitted for
Single Flood Zone Panel, 2 fitted for Dual Flood Zone Panel
Zone 1 - 3 +/ - for single
flood area
Zone 1 - 6 +/- for dual
flood area
1
st
Stage Sounder
Output +/-
nd
2
Stage Sounder
Output +/-
2
2
0.5mm
to 2.5mm
solid or stranded
wire.
29.5VDC supply input. Diode
protected for reversal and
independent short circuit.
Max current 5 amps.
28VDC supply output for fire alarm
accessory relays etc. Max
continuous use = 400mA.
Fire relay contact. Clean C/O. Max
3A at 30VDC.
Maintained fault relay contact. Clean
C/O Max 3A at 30VDC.
Switched -ve inputs, connect to 0V to
trigger. Max input voltage = 30VDC.
Non-latching, max resistance 100R.
28VDC polarity reversal monitored
sounder outputs to fire alarm
devices.
6K8 Ohm 5% 0.25W EOL resistor.
RS485
Input for connection of battery
temperature sensor, Attach to central
point of sealed lead acid battery pair.
Fire alarm zone circuits.
Conventionally wired detection
circuit. 6K8 Ohm 5% 0.25W EOL
resistor.
28VDC polarity reversal monitored
sounder output to fire alarm devices.
6K8 Ohm 5% 0.25W EOL resistor.
Max input current 5 amps. Input
voltage 29.5VDC to 30VDC.
Fused at 500mA. Fuse = 500mA
resettable fuse.
Unfused
Unfused
Protected via 10K Ohm impedance,
3v6 Zener diode.
Monitoring current limit 28mA, fused
at 500mA. Typical max load 22
devices at 18mA each per circuit.
RSU Comms, fused at 20mA
Thermistor TTC5103
10,000 Ohms at 25°C.
Monitoring current limit 42mA. Max 32
devices per zone.
Monitoring current limit 28mA, fused at
500mA. Typical max load 22 devices at
18mA each per circuit.
Approved Document Ref: UI-ESG-01 Issue 2.0
Technical Specification
15
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