Medem SEC-B - System Settings

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System Settings
SEC-B
ALT EST GON HAL
1 2 3 4
Low Pressure (Any State) - LP OFF OFF OFF OFF
High Pressure (Any State) - HP ON OFF OFF OFF
Test Fail OFF ON OFF OFF
Fan Fault - FF ON ON OFF OFF
EM Stop - ES OFF OFF ON OFF
Fire Panel Active -FA ON OFF ON OFF
High Alarm (Any State) - HA OFF ON ON OFF
Low Alarm (Any State) - LA ON ON ON OFF
Gas On State OFF OFF OFF ON
Detector Fault ON OFF OFF ON
Generic Fault (LP,HP,FF,ES,FA,HA OFF ON OFF ON
Key Switch State ON ON OFF ON
15. BMS Relay PCB
Press button A - To display the gas pressures and view the set pressure proving set times.
Press button B - To display the gas installed gas detectors 1-8 press A & B together to view 9-16.
Fire Test Mode (Press button B three times)
When connected to a fire alarm panel using the fire alarm terminal (no.13) the system will isolate the gas during an fire alarm.
If for the purposes of a fire test you wish to temporarily disable this interlock the SEC system can be put into a “fire test mode” by
pressing blind button B three times in quick succession.
This is a timed feature and will auto clear after 45mins. Press again three times to manually clear and return to normal running.
A B
Blind buttons - engineer features
Three relays, for connection to a BMS or sounder/Beacon.
BMS C: Fixed condition, changes state on System Key Switch On/Off only.
BMS B & A: Settable conditions via dip switches (One condition selectable from each relay)
Max switching 48 volts 1 amp