Description
The GST DI-9204E Addressable Manual Call Point is an intelligent, high-reliability emergency initiating device manufactured by GST (Carrier) to provide immediate manual fire alarm reporting. Engineered with a re-settable, non-breaking operating faceplate, the GST DI-9204E enables occupants to trigger an emergency alarm instantly by pressing the central action plate. Certified under rigorous LPCB and EN 54-11 standards, this call point eliminates the hazard and recurring cost of broken glass, allowing quick reset and routine testing via a specialized maintenance key.
Technical Specifications Table
| Product Model | GST DI-9204E Digital Addressable Manual Call Point |
| Brand Portfolio | GST (Carrier) |
| Standard & Approvals | LPCB Approved; CE / CPR Certified; Compliant with EN 54-11 Standards |
| Operating Loop Voltage | 24 VDC Nominal (16 VDC to 28 VDC operating range) |
| Standby Current | ≤ 0.6 mA (Quiescent loop current) |
| Alarm Current | ≤ 1.8 mA (Active alarm transmission current) |
| Operating Element Type | Re-settable plastic operating faceplate (Non-breaking glass) |
| Reset & Test Mechanism | Specialized key-operated reset and maintenance test mechanism |
| Addressing Method | Electronic addressing via P-9910B Handheld Programmer (Address range: 1 to 242) |
| Visual Alarm Indicator | Red LED (Flashes during loop polling, illuminates steady red in active alarm) |
| Wiring Constraints | 2-core non-polarized signaling line circuit (SLC) loop connection |
| Enclosure Material & Color | Flame-retardant ABS Plastic | Color: Signal Red (RAL 3001) |
| Ingress Protection Rating | IP43 (Designed strictly for indoor wall mounting) |
| Operating Environment | -10°C to +55°C (14°F to 131°F), ≤ 95% Relative Humidity non-condensing |
| Surface Dimensions | 87.1 mm (W) × 87.1 mm (H) × 58.5 mm (D) (With standard surface back box) |
| Semi-Flush Dimensions | 87.1 mm (W) × 87.1 mm (H) × 23.5 mm (D) (Without back box) |
| Unit Weight | Approximately 160 g (With surface mounting box) |
⚙️ Engineering & Architecture Resources
Verify manual call point mounting heights, exit route accessibility, and signaling loop resistance limits according to LPCB Third-Party Life Safety Certifications before executing site commissioning for your GST DI-9204E emergency stations.
📥 Download Official Technical Submittal Datasheet (DS10106291)
High-Speed Digital Signaling & Re-settable GST DI-9204E Architecture
The operational foundation of the GST DI-9204E relies on advanced digital loop communication. When an occupant presses the operating faceplate during an emergency, the internal micro-switch engages instantly, prompting the unit to broadcast its unique programmed address and a high-priority interrupt to the central fire alarm control panel. This rapid digital protocol ensures that evacuation routines, audio notification appliances, and smoke extraction fans activate within seconds of manual initiation.
Traditional manual stations often require replacement glass elements after an activation or test. The GST DI-9204E solves this ongoing maintenance challenge by employing a flexible, non-breaking re-settable plate. Following an activation or routine life-safety drill, authorized technicians simply insert the provided reset key into the underside access slot to return the mechanism to its standby state without dismantling the housing or replacing internal parts.
Designed for fast field installation, the GST DI-9204E features plug-in terminal blocks that permit loop pre-wiring and continuity testing prior to attaching the main electronic module. Addressing is configured electronically from 1 to 242 using the GST P-9910B handheld programmer, removing the risk of mechanical switch corrosion or improper addressing on site.
- Re-settable Operating Element: Eliminates broken glass replacements, reducing maintenance costs and avoiding physical injury risks.
- Electronic Addressing: Easily assigned and verified using the P-9910B handheld tool without mechanical DIP switches.
- Flexible Mounting Options: Installs directly onto standard electrical back-boxes or surface-mount conduits.
- Front Diagnostic LED: Flashes during normal panel polling sweeps and latches steady red when manually activated.
Frequently Asked Questions (FAQ)
Q1: Does the GST DI-9204E require glass replacement after being activated?
A: No. The GST DI-9204E uses a re-settable plastic operating element. After activation, it is easily reset using the specialized reset key included with the device.
Q2: How is the loop address set on the GST DI-9204E manual call point?
A: Loop addresses (from 1 to 242) are programmed electronically using the GST P-9910B handheld programmer, avoiding mechanical address dials.
Q3: Can the GST DI-9204E be surface mounted as well as flush mounted?
A: Yes. The device can be semi-flush mounted onto standard embedded junction boxes (23.5 mm depth) or installed using the included surface-mount back box (58.5 mm total depth).
Q4: How do technicians perform routine functional tests on the GST DI-9204E?
A: Technicians insert the provided test key into the bottom slot, which mechanically drops the operating plate to simulate a fire alarm condition without damaging the unit.
Q5: What are the wiring connection requirements for this call point?
A: The GST DI-9204E connects directly to the 2-wire signaling line circuit (SLC) using non-polarized fire-resistant cable (1.0 mm² to 1.5 mm² recommended).
Q6: Is the GST DI-9204E suitable for outdoor installations?
A: The GST DI-9204E has an IP43 ingress protection rating and is engineered specifically for indoor corridors, stairwells, and exit doors. For outdoor or washdown areas, a weatherproof call point enclosure is required.



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