ESPRIT Gas Extinguishing User Manual
INSTALLATION
23
Approved Document Ref: UI-ESG-01 Issue 2.0
Relay Outputs
The panel is equipped with six relay outputs. Each output is unsupervised with volt-free changeover
contacts rated at 30VAC/DC, 1A, resistive.
The Fault Relays and Fire Relays are fixed to indicate their respective conditions.
The Fault Relay is normally activated. It will de-energise on any fault condition from an active zone
including total loss of power.
Local Relay operates on activation of a zone that is part of the extinguisher release circuitry, or when
the panel mounted (or remote manual) release pushbutton is pressed. The relay remains activated
until the panel is reset. All Relay outputs are programmable.
Extract Fan Relay operates when an authorized (Access Level 2) user selects Start Extract Fan, after
the flooding time has elapsed (without a reset). This allows a flooded area to be vented of extinguishing
medium.
Local Fire Relay operates on activation of a fire condition in a Flood Zone.
Stage 1 Relay has a default operation, which is ON during the pre-activation, activation and release
stages.
Stage 2 Relay will come ON only during the release stage. This status is settled by default and can be
changed.
Both relays, for stage 1 and stage
2, are fully programmable, and they can take the following values:
a) ON / OFF
b) Pulsing 1 sec ON and 1 sec OFF
Additional Relays
If additional relays are required, then install the OPCARD-8 8-Way Relay card to piggy-back onto the
COMs A header on the PSU Card
Connect the 10-Way ribbon cable between the relay card and the main display card
– the connectors
are polarised to prevent incorrect connection.
8 changeover volt-free relay outputs are provided. Each is rated at 30VAC/DC, 1A, resistive. All Relay
outputs are programmable.
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