ESPRIT Gas Extinguishing User Manual
INSTALLATION
25
Approved Document Ref: UI-ESG-01 Issue 2.0
Monitored Input Wiring
Six monitored input connections are available on the panel Gas Card for each Flood Zone: Manual
Release, Flow Switch, Pressure switch, Auto\manual only Mode, Hold and Abort.
Figure Above: Typical Monitored Input Wiring
A 6k8 end-of-line resistor must be connected across the terminals of last device on each circuit to allow
the wiring to be line monitored for open and short circuit faults.
Note:
Circuits not used must have a 6k8 resistor fitted at the panel terminals.
Extinguishing Actuator Output Wiring
The circuit is monitored for both open and circuit conditions. No EOL resistor needed.
The output can supply a continuous 2A current for solenoid style actuators or can provide a 3A (15mS)
pulse for igniting style actuators, subject to input power.
Output type is configurable
–
please refer to Configuring the System section.
Igniting Actuators
The circuit is current limited and one to four igniting actuators can be wired in series without special
requirements.
No additional resistance is required in the circuit.
Maximum line impedance 7Ω including the internal
resistance of the actuators.
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