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Kidde Technologies SR2033 - User Manual

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OPERATION & MAINTENANCE MANUAL
FOR
NFI 40FT CNG BUSES AT
BC TRANSIT
(SR2033, SR2087 & SR2156)
Manual No: 181922
Revision B: Oct 25, 2017
PROPRIETARY NOTICE
THIS DOCUMENT IS THE PROPERTY OF UTC AEROSPACE SYSTEMS. YOU MAY NOT POSSESS, USE, COPY OR DISCLOSE THIS
DOCUMENT OR ANY INFORMATION IN IT, FOR ANY PURPOSE, INCLUDING WITHOUT LIMITATION, TO DESIGN, MANUFACTURE OR
REPAIR PARTS, OR OBTAIN ANY GOVERNMENT APPROVAL TO DO SO, WITHOUT UTC AEROSPCE SYSTEMS’ EXPRESS WRITTEN
PERMISSION. NEITHER RECEIPT NOR POSSESSION OF THIS DOCUMENT ALONE, FROM ANY SOURCE, CONSTITUTES SUCH
PERMISSION. POSSESSION, USE, COPYING OR DISCLOSURE BY ANYONE WITHOUT UTC AEROSPACE SYSTEMS’ EXPRESS
WRITTEN PERMISSION IS NOT AUTHORIZED AND MAY RESULT IN CRIMINAL AND/OR CIVIL LIABILITY.
EAR NOTICE
SUBJECT TO THE EAR, ECCN [EAR99].
THIS INFORMATION IS SUBJECT TO THE EXPORT CONTROL LAWS OF THE UNITED STATES, SPECIFICALLY INCLUDING THE
EXPORT ADMINISTRATION REGULATIONS (EAR), 15 C.F.R. PART 730 ET. SEQ. TRANSFER, RETRANSFER, OR DISCLOSURE OF THIS
DATA BY ANY MEANS TO A NON-U.S. PERSON (INDIVIDUAL OR COMPANY), WHETHER IN THE UNITED STATES OR ABROAD,
WITHOUT ANY REQUIRED EXPORT LICENSE OR OTHER APPROVAL FROM THE U.S GOVERNMENT IS PROHIBITED, INCLUDING
WITHOUT LIMITATION ANY DIVERSION TO A MILITARY END USER OR USE IN A MILITARY END USE APPLICATION.

Questions and Answers

  • E
    ernest95Aug 2, 2025
    What to do if the Kidde Technologies SR2033 Smoke Alarm red gas LEAK indicator is solid and the alarm is on?
    • S
      Scott SmithAug 2, 2025
      If the Kidde Technologies Smoke Alarm's green SYSTEM OK indicator is on solid, but the red gas “LEAK” indicator is solid and the audible alarm is on, a significant gas leak alarm has occurred and may or may not still be present. Locate the gas sensor that initiated the alarm by checking the sensor status indicators. Correct the cause of the leak. Reset the system and monitor for alarm.
  • N
    Nicole SmithAug 7, 2025
    Why is the Kidde Technologies SR2033 Smoke Alarm gas LEAK indicator blinking?
    • B
      Brian HoganAug 7, 2025
      If the Kidde Technologies Smoke Alarm's green SYSTEM OK indicator is on solid, but the red gas LEAK indicator is blinking, it indicates a trace gas leak is present. Correct the cause of the leak. The system will reset itself when the trace gas leak dissipates below the detection threshold.
  • D
    Dale AllenAug 12, 2025
    Why is Kidde Technologies SR2033 beeping with the gas TROUBLE light on?
    • J
      Jeanette LongAug 12, 2025
      If the Kidde Technologies Smoke Alarm's green SYSTEM OK indicator is off and the yellow gas TROUBLE indicator is on solid, and the audible alarm is beeping, this indicates a gas leak detector fault. Check the gas detectors’ LED indicators. If a gas detector’s LED indicator is blinking red/green, refurbish with p/n 420483 refurbishment kit or replace sensor.
  • K
    Kelsey ReyesAug 17, 2025
    Why is the pressure gauge low on my Kidde Technologies SR2033 Smoke Alarm extinguisher?
    • C
      Catherine HendersonAug 17, 2025
      If the extinguisher pressure gauge reading is low on your Kidde Technologies Smoke Alarm, it could be due to the extinguisher being cold. Allow the extinguishers to warm up to room temperature (about 70°F) and recheck the gauge. If the pointer is then within the green arc, no corrective action is required. Alternatively, the extinguisher may be leaking or discharged, in which case you should have it serviced by a fire protection equipment company familiar with Kidde equipment.
  • M
    Maria ColemanAug 22, 2025
    Why is Kidde Technologies Smoke Alarm SYSTEM OK indicator blinking?
    • C
      Clifford MccarthyAug 22, 2025
      If the Kidde Technologies Smoke Alarm's green SYSTEM OK indicator is blinking, it indicates low battery voltage. Check the connections and voltage to the system. If the voltage is below 22 volts, the system will provide a low voltage indication.
  • J
    Jessica CarterAug 27, 2025
    How to troubleshoot Kidde Technologies Smoke Alarm with no indicators on?
    • R
      rodriguezvincentAug 27, 2025
      If all Protection Panel indicators are off on the Kidde Technologies Smoke Alarm, it indicates no power to the protection panel. Check the protection panel fuse (15A). Also, check the power and ground connections and voltage to the protection panel. Note that the system will not function below 9 volts. If the power (~24Volts) and ground are present at the protection panel, replace it.

Summary

System Operation

Fire Scenario Response

Details the system's response to a fire detection event, including alarms and shutdowns.

Significant Gas Leak Scenario

Outlines the system's response to a major gas leak, with steady gas leak indication and alarms.

Component Descriptions

Protection Panel Overview

Details the protection panel's indicators and their meanings for system status monitoring.

Manual Activation Switch

Explains the operation of the manual switch for immediate fire suppression activation.

Fire Extinguisher Unit

Provides specifications and operational notes for the fire extinguisher unit.

System Reset Procedures

Fire System Reset Procedure

Step-by-step procedure for resetting the fire suppression system after activation.

Periodic Maintenance Schedule

Troubleshooting Guide

Kidde Technologies SR2033 Specifications

General IconGeneral
BrandKidde Technologies
ModelSR2033
CategorySmoke Alarm
LanguageEnglish