GST DI 9204E digital manual call point red housing with non-break reset plate

Manual Call Point Digital GST DI 9204E

KTI007001001D92

Product Description

The GST DI-9204E is an addressable digital manual call point engineered for immediate manual emergency reporting on GST intelligent fire alarm loops.

Make/Brand: GST
Model: DI-9204E
Operating Voltage: 24 VDC nominal (16 VDC to 28 VDC range)
Current Consumption: Standby ≤ 0.6 mA, Alarm ≤ 1.8 mA
Loop Wiring: 2-wire non-polarized loop connection (Z1, Z2)
Addressing: Electronic addressing (1 to 242) via P-9910B handheld programmer
Initiating Element: Non-break-glass resettable action plate (resets via dedicated key)
Indicator: Red LED (flashes every 3 s in standby, illuminates steady red on alarm)
Ingress Protection: IP43
Standards: EN 54-11 (Type A indoor manual call point)
Compatibility: GST addressable fire alarm control panels (GST200N, GST-IFP4E)

KTI007001001D92

Price

₹ 3,349.00 excl. GST

+ 18.00% GST. Freight after pincode at cart.

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Product Details
Available Brands	GST
Unit	Numbers
HSN Code	85311020
Weight	0.16 kg
Dimension	L 8.71 x W 8.71 x H 5.85 cm cm ft in m
Warranty	12 Months Warranty
Resources	Download Datasheet
Tags/categories	Safety Fire Safety Solutions Fire Alarm System Addressable Fire Alarm System

Usually dispatched within 4 days

About this product .

The GST DI-9204E Digital Manual Call Point provides reliable, manual fire alarm activation across commercial, institutional, and industrial facilities. Connected directly to the signaling line circuit of a GST addressable fire alarm network, it allows building occupants to manually trigger an immediate alarm signal at the central monitoring panel during fire emergencies.
Constructed with durable flame-retardant ABS in high-visibility red, the call point features an advanced non-break-glass operating mechanism. When activated, the frangible action plate snaps inward without shattering, eliminating broken glass hazards, reducing maintenance overhead, and ensuring safe operation in high-traffic corridors and public spaces.
The unit operates over a loop supply voltage range of 16 VDC to 28 VDC with an ultra-low standby current draw of 0.6 mA or less, rising to 1.8 mA during alarm activation. A front-mounted red LED delivers distinct operational feedback, pulsing every three seconds during regular loop polling and latching steady red once initiated.
Addressing is entirely electronic and field-programmable across addresses 1 to 242 using the dedicated GST P-9910B handheld programmer. This electronic addressing mechanism eliminates mechanical DIP switches and rotary dials, safeguarding the installation against accidental address drift or contact degradation over time.
Installation is streamlined via a modular two-part plug-in design consisting of a terminal base and detachable call point body. The polarity-insensitive two-wire connection (terminals Z1 and Z2) allows simple termination using standard fire-resistant cabling and supports both surface back box mounting and standard flush electrical conduit box installations.
Compliant with EN 54-11 requirements for Type A indoor initiating devices and rated IP43, the DI-9204E is restored to standby mode after drills or activation by inserting the included reset key into the bottom aperture and rotating clockwise.

Product Information .

Hospitals, Clinics Shopping Malls, Showrooms Government Buildings, Offices Banks Airports Railways, Bus Stations Conference Rooms Auditorium Conference Hall Production Floors Construction Sites

Control Panel Compatibility and System Integration

The GST DI-9204E Digital Manual Call Point (MCP) is engineered for direct integration into intelligent addressable fire alarm infrastructure. Designed specifically for Type A indoor initiating applications in commercial facilities, public corridors, escape routes, stairwells, and industrial premises, the unit provides manual fire signaling directly over the digital signaling line circuit (SLC).

Fire Alarm Control Panel Interoperability

The DI-9204E interfaces seamlessly with GST intelligent addressable fire alarm control panels, providing complete protocol alignment and full telemetry reporting. Primary supported panel architectures include:

GST200N Series: Intelligent addressable fire alarm control panels supporting digital device reporting and automated zone mapping.
GST-IFP4E Series: High-capacity intelligent networkable fire alarm control panels supporting large-scale loop configurations.
GST DI-9000E Series: Fully compatible across systems utilizing GST digital addressable communication loop protocols.

Upon activation of the non-break-glass operating action plate, the device immediately transmits its unique address identity to the control panel, allowing the monitoring system to display the precise location of the alarm and trip the building notification appliances.

Loop Signaling and Electrical Requirements

The DI-9204E operates over a two-wire addressable loop circuit. Signaling and internal circuitry are powered directly from the loop, eliminating the need for local auxiliary power supplies:

Nominal Loop Operating Voltage: 24 VDC
Operating Voltage Range: 16 VDC to 28 VDC (voltage at the terminal must not drop below 16 VDC for reliable polling and activation reporting)
Standby Monitoring Current: ≤0.6 mA
Alarm Current Draw: ≤1.8 mA
Terminal Configuration: Non-polarized two-wire terminals designated as Z1 and Z2, simplifying field termination and preventing reverse-polarity wiring faults
Conductor Sizing: Recommended minimum 1.0 mm² fire-resistant two-core cable (or minimum 0.5 mm² subject to prevailing local electrical and fire safety codes)

Field Addressing and Commissioning Tools

The unit features electronic addressing, supporting an address setting range from 1 to 242. To maintain physical integrity and avoid manual DIP switch failure, addresses are written electronically directly into the internal non-volatile memory:

GST P-9910B Handheld Programmer: Required for reading, setting, and re-addressing the DI-9204E in the field (ordered separately). Call points must be assigned a unique valid address prior to loop commissioning to prevent unprogrammed or duplicate address loop errors.
Visual Polling Indication: A built-in red status LED flashes every 3 seconds during normal polling from the compatible GST panel and switches to steady illumination upon alarm latching.

Mounting Interfaces and Protective Accessories

The DI-9204E incorporates a two-piece modular plug-in structure, allowing base wiring termination prior to clipping the active operating body into place. Mechanical and environmental compatibility options include:

Accessory / Interface	Model / Specification	Application & Integration Purpose
Surface Back Box	Included with DI-9204E	Provides surface enclosure mounting (87.1 mm × 87.1 mm × 58.5 mm overall profile)
Conduit Back Box	Standard electrical box (60 mm pitch)	Allows semi-flush mounting (87.1 mm × 87.1 mm × 23.5 mm exposed profile)
Protective Flip Cover	D-92FC (Optional)	Hinged transparent cover designed to prevent accidental initiation in high-traffic zones
Weatherproof Enclosure	D-92WPB (Optional)	Protective outdoor enclosure to expand deployment beyond the native IP43 indoor rating
Addressing Unit	P-9910B (Optional)	Handheld programmer for configuring electronic loop addresses (1 to 242)

Mounting, Wiring, Addressing, and Commissioning for GST DI-9204E

Pre-Installation Environmental and Placement Requirements

The GST DI-9204E Digital Manual Call Point is engineered as an EN 54-11 compliant Type A initiating device designed strictly for indoor installation within commercial facilities, escape corridors, stairwells, and industrial plant spaces. The unit holds an IP43 ingress protection rating and is rated for operating environments spanning -10°C to +55°C with a relative humidity threshold of up to 95% non-condensing. In exposed external locations or harsh environments, the assembly must be housed inside the optional D-92WPB weatherproof enclosure box. Where risk of accidental mechanical contact exists, the optional D-92FC hinged transparent flip cover can be integrated.

Mechanical Mounting Configurations

The DI-9204E incorporates an ABS enclosure in a red finish and utilizes a modular plug-in architecture separating the operational call point body from its wiring base. Installers can deploy the unit in two primary physical configurations depending on wall infrastructure:

Surface Mounting: Mount the included red surface back box directly to the structural substrate. Total assembly dimensions with the back box fitted are 87.1 mm (L) × 87.1 mm (W) × 58.5 mm (H), with an installed weight of approximately 160 g. Align wall fixings with the standard 60 mm mounting hole pitch distance.
Conduit Embedded (Semi-Flush) Mounting: Secure the terminal base directly onto a standard recessed electrical back box. Without the rear surface box, the unit measures 87.1 mm (L) × 87.1 mm (W) × 23.5 mm (H) and weighs approximately 107 g, maintaining the identical 60 mm mounting hole spacing.

Loop Wiring and Terminal Termination

The manual call point interfaces with addressable fire alarm loops through two non-polarized terminals designated as Z1 and Z2. Polarity insensitivity eliminates site termination errors when tying into loop circuits from compatible intelligent control panels, such as the GST200N, GST-IFP4E, or GST DI-9000E series.

Parameter	Specification / Requirement
Operating Loop Voltage	24 VDC nominal (16 VDC to 28 VDC operating range)
Standby Current	≤ 0.6 mA
Alarm Current	≤ 1.8 mA
Wiring Specification	Fire-resistant 2-core cable, 1.0 mm² or above (0.5 mm² minimum subject to local electrical codes)
Terminal Designation	Z1, Z2 (Non-polarized loop connection)

Electronic Addressing and Commissioning

Field addressing must be completed prior to locking the call point body into the terminal base. The DI-9204E supports electronic addresses from 1 to 242. Addresses are written into non-volatile device memory using the handheld GST P-9910B programmer (ordered separately). Ensure that unique addresses are allocated along the SLC loop to avoid communication fault reporting on the host panel. Once addressed and powered by the 16 VDC – 28 VDC loop, verify normal monitoring status: the integrated red LED indicator must flash once every 3 seconds.

Testing and Mechanical Key Reset Procedure

The unit features a reusable, non-break-glass operating action plate (frangible element) that eliminates the downtime and material expense of replacing glass panes during mandatory commissioning trials and routine servicing. Pressing the central action plate initiates a manual alarm: the red LED switches from flashing to steady illumination, and the panel registers the unique address.

To reset the device after functional testing or emergency activation:

Locate the keyed reset aperture at the bottom of the front call point housing.
Insert the supplied special reset key vertically into the aperture.
Push the key inward and rotate it clockwise until the internal mechanism trips and the front operating plate rebounds flush.
Turn the reset key counter-clockwise and withdraw it. Confirm that the LED returns to its periodic 3-second flash cycle and clear the latched condition at the fire alarm control panel.

Maintenance, Functional Testing, and Servicing Guidelines

Routine Functional Inspection and Testing Protocols

Preventative maintenance schedules for fire detection infrastructure require periodic functional verification of manual initiating devices in compliance with EN 54-11 guidelines. Technicians can perform visual inspections and mechanical tests on the GST DI-9204E Digital Manual Call Point without disrupting circuit continuity or replacing consumable components.

During routine standby monitoring, inspect the front-facing red LED status indicator. In normal operational mode, this LED flashes once every 3 seconds, confirming proper loop communication and microprocessor polling from the fire alarm control panel (such as the GST200N or GST-IFP4E). To execute a live alarm initiation test, press the operating action plate inward until it latches. Upon manual actuation, the call point must instantly transition the red status LED to a steady illuminated state while transmitting an alarm signal across loop terminals Z1 and Z2.

Non-Break-Glass Reset Procedure

The GST DI-9204E utilizes a reusable, non-break-glass operating action plate (frangible element), eliminating the recurring cost, downtime, and debris associated with replacement glass panes after testing or activation. Restoring the unit to normal standby requires the provided specialized reset tool:

Step 1: Insert the supplied reset key vertically into the dedicated keyhole aperture situated at the base of the call point faceplate.
Step 2: Push the key firmly inward to engage the internal latching mechanism, then rotate the key clockwise until the internal spring mechanism releases and the operating plate rebounds flush to its standard monitoring position.
Step 3: Rotate the key counter-clockwise back to the neutral insertion angle and withdraw it from the keyway.
Step 4: Reset the initiating loop zone at the GST fire alarm control panel. Confirm that the call point LED transitions from steady red illumination back to flashing once every 3 seconds.

Modular Base Servicing and Electrical Diagnostics

Due to its modular plug-in structure, the front assembly of the DI-9204E can be removed from its base during maintenance inspections without disconnecting field cabling from terminal connections Z1 and Z2. This architecture simplifies device changeouts and electrical loop testing.

When conducting diagnostic checks or investigating communication faults, use calibrated multimeters and verify electrical parameters against nominal design specifications:

Diagnostic Parameter	Specified Operating Value	Corrective Action on Deviation
Loop Operating Voltage	16 VDC to 28 VDC (24 VDC nominal)	Check loop line resistance and power supply output if voltage drops below 16 VDC.
Standby Current Draw	≤ 0.6 mA	Verify circuit integrity and inspect for terminal shorting across polarity-insensitive Z1/Z2 lines.
Alarm Current Draw	≤ 1.8 mA	Inspect loop card current loading limits if panel reports an overcurrent fault during activation.
Electronic Address Allocation	Range: 1 to 242	Reprogram the MCP address using the handheld GST P-9910B programmer to clear address conflicts.

Troubleshooting Operating Faults

If the device fails to report an alarm condition or exhibits no LED activity during commissioning or testing, check the loop operating voltage at terminals Z1 and Z2 to confirm it meets the minimum 16 VDC threshold. Communication drops or panel reporting failures frequently occur due to unassigned electronic addresses or duplicate addressing on the loop. Re-verify the programmed address (1–242) using the GST P-9910B handheld programmer.

Housing Care and Environmental Considerations

The call point features an impact-resistant red ABS enclosure rated at IP43 for indoor Type A installations. Routine cleaning should be performed using a soft, dry, or slightly damp lint-free cloth. Do not use solvent-based cleaners, abrasive scouring agents, or high-pressure water jets, which compromise the ABS plastic surface and ingress seals. For facilities operating within operating parameters between -10°C and +55°C and up to 95% non-condensing relative humidity, inspect optional protective accessories—such as the D-92FC hinged transparent flip cover or D-92WPB outdoor weatherproof enclosure—to ensure mechanical hinges and seals remain unobstructed and fully functional.

Troubleshooting & Field Diagnostics: GST DI-9204E Manual Call Point

Diagnostic LED Status Indicators & Loop Power Verification

The GST DI-9204E manual call point features a front-facing red LED status indicator that provides immediate operational feedback. Under normal standby conditions, this LED flashes once every 3 seconds, confirming active communication with the GST intelligent addressable fire alarm control panel (such as the GST200N or GST-IFP4E). When an alarm condition is triggered by pressing the non-break-glass operating plate, the LED illuminates steady red.

If the LED fails to flash periodically or does not respond, technician diagnostics should begin with loop power measurements at terminals Z1 and Z2. The call point requires an operating loop voltage between 16 VDC and 28 VDC (nominal 24 VDC). If voltage drops below the 16 VDC operating threshold due to excessive cable resistance or high loop loading, the internal microprocessor cannot maintain polling, resulting in communication drops. Verify that line current falls within specified engineering tolerances (standby current ≤0.6 mA; alarm current ≤1.8 mA).

Addressing Faults and Loop Communication Errors

Communication faults, missing device errors, or duplicate address notifications at the GST fire alarm control panel are commonly caused by digital addressing discrepancies. The GST DI-9204E supports electronic addressing from address 1 through 242. Physical DIP switches are not used on this device; all addressing is configured electronically via the GST P-9910B handheld programmer.

When troubleshooting panel fault reports:

Unprogrammed Address: Newly installed call points without factory or site commissioning will not register on the loop. Disconnect the unit from the plug-in base and connect it to a GST P-9910B programmer to verify and program its designated address (1–242).
Address Clashing: If two field devices share the same electronic address on the signaling circuit, the control panel may register intermittent loop faults, failure to report, or erratic alarm signals. Re-address using the handheld programmer.
Polarity and Wiring Integrity: Loop wiring terminates at non-polarized terminals Z1 and Z2. While polarity inversion will not damage or disable the call point due to its non-polarized input design, verify tight screw terminal torque and ensure fire-resistant two-core cabling (minimum 1.0 mm² recommended) has continuity without line breaks or ground shorts.

Action Plate Reset Procedure and Mechanical Troubleshooting

The DI-9204E uses a reusable, non-break-glass operating plate (frangible element) rather than sacrificial glass panes. If the call point remains locked in an alarm state with the red LED illuminated steady red, the action plate has not been mechanically reset.

To clear the alarm state, use the dedicated reset key provided with the unit:

Vertically insert the special reset key into the designated reset aperture at the base of the housing.
Push the key inward firmly and rotate it clockwise until the front action plate snaps forward and rebounds into its flush standby position.
Turn the reset key counter-clockwise and extract it vertically from the keyhole.
Once mechanically restored, clear the latching event at the GST200N or GST-IFP4E control panel to return the call point LED to its standard 3-second flashing cycle.

Environmental Compliance and Terminal Connection Checks

The GST DI-9204E features an ABS enclosure rated to IP43 and is designated as a Type A indoor initiating device. It is rated for operation across temperatures from -10°C to +55°C and relative humidity levels up to 95% non-condensing. If the device suffers from intermittent contact or environmental tripping, consider the following physical checkpoints:

Symptom	Probable Root Cause	Corrective Engineering Action
Open-circuit loop fault at panel	Modular plug-in base not fully seated; loose terminal screws	Check that call point body is firmly clipped into the back box (60 mm mounting pitch). Re-terminate Z1/Z2 connections.
False manual alarms or physical tampering	Corridor traffic impact or accidental manual pressing	Install an optional D-92FC transparent hinged flip cover over the faceplate to protect against inadvertent activation.
Moisture ingress or condensation fault	Outdoor or high-moisture exposure exceeding IP43 rating	Verify indoor placement compliance (Type A). For exterior or exposed locations, fit the DI-9204E inside an approved D-92WPB weatherproof enclosure box.
Loop communication drop below 16 VDC	Cabling run length excessive or gauge below 1.0 mm²	Measure loop supply under full load; verify circuit loop resistance to ensure terminal voltage remains between 16 VDC and 28 VDC.

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