Qtec Fire Suppression Wiring Diagram
Units like the QTB554 Small Alarm Panel or the VDAS digital electronic alarm monitor up to four supervised inputs, including fire detection and cylinder pressure.
To prevent the engine from continuing to pump fuel into a fire, the diagram includes a relay that automatically cuts the ignition or fuel supply. qtec fire suppression wiring diagram
| Terminal Label | Typical Function | State (Armed/Normal) | State (Fire/Actuated) | | --- | --- | --- | --- | | SW1 - COM | 24VDC+ from panel | 24V present | 24V present | | SW1 - NO | Shunt trip gas solenoid | Open (0V) | Closed (24V) – Gas off | | SW1 - NC | Exhaust fan run signal | Closed (24V) | Open (0V) – Fan stops | | SW2 - COM | Building FACP common | Reference | Reference | | SW2 - NO | Alarm relay to panel | Open | Closed – Send signal | Units like the QTB554 Small Alarm Panel or
This article provides a deep dive into the QTec fire suppression wiring diagram. We will break down terminal functions, differentiate between normally open (NO) and normally closed (NC) circuits, walk through a step-by-step installation interpretation, and offer troubleshooting advice for common wiring faults. We will break down terminal functions, differentiate between
There are several types of Qtec fire suppression wiring diagrams, including:
These monitor the nitrogen charge in the cylinders. A drop in pressure (LOP system) or a rise (ROP system) signals an emergency or a system fault.