Debugging Fire Alarm Controllers

4.3.1 Before debugging, all external control connections of the fire alarm controller should be disconnected. After connecting any fire detector from the bus loop and manual fire alarm buttons on that loop, the power can be turned on. Check quantity: All checks. Inspection method: Visual inspection.4.3.2 Perform the following functional checks on the controller in accordance with the current national standard “Fire Alarm Controller” GB 4717 and record: 1 Check self-test function and operational level. 2 Create an open circuit and short circuit between the controller and detector; the controller should emit a fault signal within 100s (except for fire alarm signals during short circuits); in a fault state, when any non-faulty detector emits a fire alarm signal, the controller should emit a fire alarm signal within 1min and record the fire alarm time. Then make other detectors emit fire alarm signals to check the controller’s re-alarm function. 3 Check the silencing and reset functions. 4 Create an open circuit and short circuit between the controller and the backup power supply; the controller should emit a fault signal within 100s. 5 Check the shielding function. 6 Short circuit any point within the protection range of the bus isolator to check the isolation protection function of the bus isolator. 7 Ensure that at least 10 fire detectors on any bus loop are simultaneously in the fire alarm state to check the controller’s load function. 8 Check the automatic conversion function of the main and backup power supplies, and repeat check 7 under backup power working conditions. 9 Check other specific functions of the controller. Check quantity: All checks. Inspection method: Visual inspection, instrument measurement.4.3.3 Sequentially connect other loops to the fire alarm controller and repeat checks 2, 6, and 7 from this specification.

Check quantity: All checks. Inspection method: Visual inspection, instrument measurement.

Point-Type Smoke and Heat Fire Detectors Debugging

4.4.1 Use specialized detection instruments or simulate a fire to check the alarm function of each fire detector one by one; the detector should be able to emit a fire alarm signal. Check quantity: All checks. Inspection method: Visual inspection.4.4.2 For non-recoverable fire detectors, simulate an alarm to check their alarm function one by one; the detector should be able to emit a fire alarm signal. If there are spare parts, random sampling can be performed to check their alarm function. Check quantity: All checks. Inspection method: Visual inspection.

Linear Heat Fire Detectors Debugging

4.5.1 Simulate a fire and fault on non-recoverable detectors; the detector should emit fire alarm and fault signals respectively. Check quantity: All checks. Inspection method: Visual inspection.4.5.2 Recoverable detectors can use specialized detection instruments or simulate a fire to emit a fire alarm signal, and simulate a fault at the terminal box; the detector should emit fire alarm and fault signals respectively. Check quantity: All checks. Inspection method: Visual inspection.

Manual Fire Alarm Button Debugging

4.9.1 For recoverable manual fire alarm buttons, apply appropriate force to activate the button; the button should emit a fire alarm signal. Check quantity: All checks. Inspection method: Visual inspection.4.9.2 For non-recoverable manual fire alarm buttons, simulate action to make the button emit a fire alarm signal (if there are spare parts, random sampling can be performed), the button should emit a fire alarm signal. Check quantity: All checks. Inspection method: Visual inspection.

Fire Link Control System Debugging

4.10.1 Connect the fire link controller with the fire alarm controller, any loop’s input/output module, and the controlled devices of that loop. Disconnect all control connections of the controlled field devices and turn on the power. 4.10.2 According to the current national standard “Fire Link Control System” GB16806, check the control, feedback signal reception (simulate the field device startup signal), and display functions of various electrical devices within the fire link control system. Check quantity: All checks. Inspection method: Visual inspection. 4.10.3 Make the fire link controller operate in automatic and manual working states respectively; check its state display, and perform the following functional checks according to the current national standard “Fire Link Control System” GB 16806 and record. The controller should meet the corresponding requirements: 1 Self-test function and operational level. 2 When the connection between the fire link controller and each module is open or short-circuited, the fire link controller can emit a fault signal within 100s. 3 When the connection between the fire link controller and the backup power supply is open or short-circuited, the fire link controller should emit a fault signal within 100s. 4 Check the silencing and reset functions. 5 Check the shielding function. 6 Short circuit any point within the protection range of the bus isolator to check the isolation protection function of the bus isolator. 7 Ensure that at least 50 input/output modules are simultaneously in action (if the total number of modules is less than 50, ensure all modules are activated) to check the maximum load function of the fire link controller. 8 Check the automatic conversion function of the main and backup power supplies, and repeat check 7 under backup power working conditions. Check quantity: All checks. Inspection method: Visual inspection. 4.10.4 Connect all recoverable controlled field devices after startup. Check quantity: All checks. Inspection method: Visual inspection. 4.10.5 Make the working state of the fire link controller in automatic mode; according to the current national standard “Fire Link Control System” GB 16806 and the designed linkage logic relationship, perform the following functional checks and record: 1 According to the designed linkage logic, make the corresponding fire detector emit a fire alarm signal; check the fire link controller’s reception of the fire alarm signal, the emission of linkage signals, module action status, controlled devices’ action status, field devices’ action status, reception of feedback signals (for field devices that cannot be restored after startup, simulate the startup feedback signal of the field device), and various display situations. 2 Check the manual insertion priority function. Check quantity: All checks. Inspection method: Visual inspection. 4.10.6 Make the working state of the fire link controller in manual mode; according to the current national standard “Fire Link Control System” GB 16806 and the designed linkage logic relationship, manually start the corresponding controlled devices in order, and check the fire link controller’s emission of linkage signals, module action status, controlled devices’ action status, field devices’ action status, reception of feedback signals (for field devices that cannot be restored after startup, simulate the startup feedback signal of the field device), and various display situations. Check quantity: All checks. Inspection method: Visual inspection. 4.10.7 For automatic fire extinguishing control systems that directly use fire detectors as triggering devices, in addition to complying with the relevant provisions of this section, functional checks should also be performed according to the current national standard “Design Specifications for Automatic Fire Alarm Systems” GB 50116. Check quantity: All checks. Inspection method: Visual inspection. 4.10.8 Sequentially connect other loops’ input/output modules and the controlled devices of that loop, disconnect all control connections of the controlled field devices, turn on the power, and repeat checks 4.10.3 to 4.10.7. Check quantity: All checks. Inspection method: Visual inspection, instrument measurement.

Area Display (Fire Display Panel) Debugging

4.11.1 Connect the area display (fire display panel) with the fire alarm controller, check its following functions according to the current national standard “General Technical Conditions for Fire Display Panels” GB 17429 and record; the area display should meet the corresponding requirements: 1 The area display (fire display panel) should correctly receive and display the fire alarm signal sent by the fire alarm controller within 3s. 2 Silencing and reset functions. 3 Operational level. 4 For area displays (fire display panels) powered by non-fire alarm controllers, check the automatic conversion function of the main and backup power supplies and the fault alarm function. Check quantity: All checks. Inspection method: Visual inspection.

Combustible Gas Alarm Controller Debugging

4.12.1 Disconnect all external control connections of the combustible gas alarm controller, connect any loop to the controller, and turn on the power.4.12.2 The controller should perform the following functional tests according to the current national standard “Technical Requirements and Testing Methods for Combustible Gas Alarm Controllers” GB16808 and meet the corresponding requirements: 1 Self-test function and operational level. 2 When the connection between the controller and the detector is open or short-circuited, the controller should emit a fault signal within 100s. 3 In a fault state, when any non-faulty detector emits an alarm signal, the controller should emit an alarm signal within 1min and record the alarm time; then make other detectors emit alarm signals to check the controller’s re-alarm function. 4 Silencing and reset functions. 5 When the connection between the controller and the backup power supply is open or short-circuited, the controller should emit a fault signal within 100s. 6 High limit alarm or low and high two-stage alarm functions. 7 Alarm set value display function. 8 Maximum load function of the controller, ensuring at least 4 combustible gas detectors are simultaneously in alarm state (if the total number of detectors is less than 4, ensure all detectors are in alarm state). 9 Automatic conversion function of the main and backup power supplies, and repeat check 8 under backup power working conditions. Check quantity: All checks. Inspection method: Visual inspection, instrument measurement.4.12.3 Sequentially connect other loops to the combustible gas alarm controller and repeat checks in section 4.12.2. Check quantity: All checks. Inspection method: Visual inspection, instrument measurement.

Combustible Gas Detector Debugging

4.13.1 Sequentially check each combustible gas detector according to the debugging methods provided by the manufacturer to ensure normal operation; the detector should emit an alarm signal. Check quantity: All checks. Inspection method: Visual inspection.4.13.2 Apply standard gas samples of combustible gases that reach the response concentration to the detector; the detector should respond within 30s. Remove the combustible gas, and the detector should return to normal monitoring status within 60s. Check quantity: All checks. Inspection method: Visual inspection, instrument measurement.4.13.3 For linear combustible gas detectors, in addition to complying with the provisions of this section, all light emitted by the transmitter should be blocked; the corresponding control device of the detector should emit a fault signal within 100s. Check quantity: All checks. Inspection method: Visual inspection, instrument measurement.

Fire Emergency Broadcasting Equipment Debugging

4.15.1 Manually select broadcast zones in the fire control room for all broadcasting sections, forcibly switch all shared speakers; emergency broadcasts should output at maximum power. Check quantity: All checks. Inspection method: Visual inspection.4.15.2 Perform full-load tests on amplifiers and backup amplifiers; the voice of emergency broadcasts should be clear. Check quantity: All checks. Inspection method: Visual inspection.4.15.3 Connect the fire emergency broadcasting equipment system to the linkage system, set it to automatic working state, and then check the working status of the emergency broadcast according to the designed logical relationship; the system should broadcast according to the designed logic. Check quantity: All checks. Inspection method: Visual inspection.4.15.4 Disconnect any speaker; the working status of other speakers should not be affected. Check quantity: Random sampling for each loop. Inspection method: Visual inspection.

System Backup Power Debugging

4.16.1 Check the capacity of the backup power supplies used by various control devices in the system; the power supply capacity should match the design capacity. Check quantity: All checks. Inspection method: Visual inspection.4.16.2 Discharge the backup power supplies, recharge for 48h, then disconnect the main power supply of the device; the backup power supply should ensure the device operates for at least 8h, and meet the corresponding standards and design requirements. Check quantity: All checks. Inspection method: Visual inspection.

Fire Equipment Emergency Power Debugging

4.17.1 Disconnect the emergency power output when directly starting the device, and turn on the main power of the emergency power supply.4.17.2 Check the control function and conversion function of the emergency power supply according to the requirements below, and observe its input voltage, output voltage, output current, main power working state, emergency working state, battery pack, and each single battery voltage display; keep records, and the display situation should comply with the product manual and meet requirements. 1 Manually start the emergency power output; the main and backup power supplies should not output simultaneously, and the emergency conversion should be completed within 5s. 2 Manually stop the output of the emergency power; the emergency power should return to the working state before startup. 3 Disconnect the main power supply of the emergency power; the emergency power should emit an audible prompt signal, and the audible signal should be manually extinguishable; reconnect the main power supply, and the emergency power should return to the main working state. 4 Input linkage start signal to emergency power supplies with automatic control functions; the emergency power should switch to emergency working state within 5s, and the main and backup power supplies should not output simultaneously; input linkage stop signal, the emergency power should return to the main working state. 5 Emergency power supplies with manual and automatic control functions should be in automatic control state, then manually insert operation; the emergency power should have manual insertion priority function and indicate both automatic and manual control states. Check quantity: All checks. Inspection method: Visual inspection.4.17.3 Disconnect the load of the emergency power; check the protection function of the emergency power according to the requirements below and keep records: 1 When any output circuit protection acts, the output voltage of other circuits should be normal. 2 When stopping the output of any phase in the three-phase load circuit of the emergency power, the emergency power should automatically stop the output of the other two phases and emit audible and visual fault signals. 3 When stopping the output of any phase in the single-phase load of the emergency power, the other two phases should operate normally and emit audible and visual fault signals. Check quantity: All checks. Inspection method: Visual inspection.4.17.4 Connect the emergency power to a load equivalent to full load, and set it to emergency working state; the emergency working time should be greater than 1.5 times the designed emergency working time, and not less than the nominal emergency working time of the product. Check quantity: All checks. Inspection method: Visual inspection, instrument measurement.4.17.5 Disconnect the charging circuit of the emergency power between the battery and between batteries; the emergency power should emit audible and visual fault signals within 100s. The audible fault signal should be manually extinguishable. Check quantity: All checks. Inspection method: Visual inspection.

Fire Curtain Controller Debugging

4.20.1 The fire curtain controller should be connected to the fire link controller, fire detectors, and curtain machines, and powered on; the fire curtain controller should be in normal monitoring state.4.20.2 Manually operate the button of the fire curtain controller; it should be able to send feedback signals of fire curtain start, stop, and close to the fire link controller. Check quantity: All checks. Inspection method: Visual inspection.4.20.3 The fire curtain controller used for evacuation passages should have a two-step closing function and should send feedback signals to the fire link controller. After receiving the first fire alarm signal, it should control the fire curtain to automatically close to the middle position and stop; after receiving the second alarm signal, it should control the fire curtain to continue closing to the fully closed state. Check quantity: All checks. Inspection method: Visual inspection, instrument measurement.4.20.4 The fire curtain controller used to separate fire compartments should control the fire curtain to fully close after receiving any fire alarm signal within the fire compartment, and should send feedback signals to the fire link controller. Check quantity: All checks. Inspection method: Visual inspection.

Fire Telephone Debugging

4.14.1 Call and communicate between the fire control room and all fire telephones and telephone sockets; the main console should display the location of each machine or telephone socket; the calling bell and communication voice should be clear. Check quantity: All checks. Inspection method: Visual inspection.4.14.2 Simulate alarm telephone communication between the external telephone of the fire control room and another external telephone; the voice should be clear. Check quantity: All checks. Inspection method: Visual inspection.4.14.3 Check group call, recording, and other functions; all functions should meet the requirements. Check quantity: All checks. Inspection method: Visual inspection.

Gas Fire Extinguishing Controller Debugging

4.19.1 Disconnect all external control connections of the gas fire extinguishing controller and turn on the power.4.19.2 Input the set starting control signal to the gas fire extinguishing controller; it should have a starting output and emit audible and visual starting signals. Check quantity: All checks. Inspection method: Visual inspection.4.19.3 Input simulated feedback signals to start the starting device; the controller should receive and display within 10s. Check quantity: All checks. Inspection method: Visual inspection.4.19.4 Check the delay function of the controller; the delay time should be adjustable within 0 to 30s. Check quantity: All checks. Inspection method: Visual inspection.4.19.5 Set the controller to automatic control state, then manually insert operation; manual insertion operation should take priority. Check quantity: All checks. Inspection method: Visual inspection.4.19.6 Operate the controller according to the designed control logic and check whether it meets the designed logical functions. Check quantity: All checks. Inspection method: Visual inspection.4.19.7 Check the accuracy of the feedback signal sent by the controller to the fire link controller. Check quantity: All checks. Inspection method: Visual inspection.