| 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 |
When the QTec trips, SW1-NO closes, energizing the solenoid, which mechanically blocks gas flow. Note: The diagram will often specify "fail-closed" valves.
Understanding the Qtec Fire Suppression wiring diagram is key to maintaining the safety and compliance of heavy vehicle systems. These diagrams typically center around the VDAS (Vehicle Detection Actuation Suppression) qtec fire suppression wiring diagram
To ensure the system remains reliable under heavy vibrations or heat: Standard Compliance : All wiring must adhere to AS5062-2016 standards for mobile and transportable equipment. Protection
The diagram will show the primary AC power source and a backup DC battery system. The backup is legally mandated to ensure the system works even during a power outage—which is often when fires occur due to electrical faults. | Terminal Label | Typical Function | State
A standard will depict a closed-loop system involving several critical components. Familiarizing yourself with these symbols is the first step in reading the schematic.
to see specific part numbers for pressure switches and connectors. Review the official certificate of conformity VDAS system These diagrams typically center around the VDAS (Vehicle
These diagrams illustrate the components and functionality of a typical Qtec fire suppression system, and can be used as a reference for installation and maintenance purposes.
For detailed schematics specific to your exact model, you should refer to the official Qtec technical manuals or the specific AFSCP MK2 guide provided with your equipment. Further Exploration Check out the detailed component list Qtec Fire Services
When you look at a specific , you will typically encounter one of two main configurations: Style B (Class B) or Style Y (Class A).