Huawei IDS1000 User Manual

IDS1000 Container Data Center Single-Zone Fire Extinguishing System

User Manual

Issue

01

Date

2014-3-15

HUAWEI TECHNOLOGIES CO., LTD.

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i

No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.

Trademarks and Permissions

and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective holders.

Notice

The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied.

The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied.

Huawei Technologies Co., Ltd.

Address:

Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China

Website:

http://www.huawei.com

Email:

support@huawei.com

IDS1000 Container Data Center User Manual

About This Document

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Purpose

Symbol

Description

Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results.

NOTICE is used to address practices not related to

This document describes the operation methods and precautions for the fire extinguishing system in the IDS1000 container data center in terms of configurations, power-on commissioning, maintenance, alarm references, troubleshooting, and parts replacement. It provides you a quick grasp of the operations of the fire extinguishing system in the container data center.

Intended Audience

About This Document

This document is intended for:



Maintenance engineers



Technical support engineers



System engineers



Hardware installation engineers



Commissioning engineers

Symbol Conventions

The symbols that may be found in this document are defined as follows.

IDS1000 Container Data Center User Manual

About This Document

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Symbol

Description

personal injury.

Calls attention to important information, best practices and tips.

NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration.

Change History

Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues.

Issue 01 (2014-03-15)

This issue is the first official release.

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1 Configuration Description

1.1 System Introduction

System Composition

The container data center fire extinguishing system consists of the automatic fire alarm system, gas extinguishing equipment, and the control system.

The automatic fire alarm system consists of components including the heat detector, smoke detector, audible and visual alarm, alarm bell, gas release indicator, and the very early smoke detection apparatus (VESDA for short, able to detect and report fire alarms at an early stage).

The gas extinguishing equipment uses heptafluropropane as the extinguishing agent. It consists of components such as the extinguishing agent vessel, gas supply pipe, pressure annunciator, and solenoid valve driver.

The control system consists of the gas extinguishing controller and emergency start/abort switch.

Working Principles

When a fire occurs and generates smoke and heat, the smoke detector and the heat detector will be triggered and send fire alarm signals to the fire controller. Then the controller will generate a startup current to start the solenoid valve to open the storage valve, which will release the extinguishing agent to the protected zone. The automatic alarm system will send alarm signals at the same time.

Figure 1-1 shows the network diagram of the container data center fire extinguishing system. Table 1-1 lists the functions of the components in the fire extinguishing system.

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Figure 1-1 Fire extinguishing system network diagram

Compone nt Name

Appearance

Function

Gas extinguishin g controller

Controls the fire extinguishing system and reports fire alarm signals.

VESDA

Detects smoke at an early stage, displays the smoke density and alarm severities, and reports these information to the monitoring system.

VESDA power box

Supplies power to the VESDA.

Gas extinguishin g equipment

Stores and releases an extinguishing agent.

Fire extinguishin g pipe

Transports an extinguishing agent swiftly and evenly to the entire protected zone to extinguish fire in total flooding mode.

Table 1-1 Functions of the components in the fire extinguishing system

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Compone nt Name

Appearance

Function

Atomizer nozzle

Sprays an extinguishing agent to aisles in case of a fire.

Gas release indicator

Displays "DON'T ENTER WHILE RELEASING GAS" to warn onsite personnel in case of a fire and the fire extinguishing equipment releases the extinguishing agent into the protected zone.

Audible and visual alarm

Generates dazzling flash signals and shrill audible signals in case of a fire, reminding onsite personnel to evacuate from the site immediately, thereby avoiding major accident.

Emergency start/abort switch

Starts or stops the gas extinguishing equipment in case of a fire. The device is installed outside the door of the protected zone. If you press the glass plate to start extinguishing in emergency, the red indicator lights up.

Heat detector

Evenly deployed in the aisles inside containers to detect the temperature inside the containers in real time. When it works in monitoring mode, the red indicator blinks. When the ambient temperature exceeds the alarm threshold, it enters alarm mode and the red indicator is steady on.

Smoke detector

Evenly deployed in the aisles inside containers to detect the smoke density inside the containers in real time. When it works in monitoring mode, the red indicator blinks. When the onsite smoke density exceeds the alarm threshold, it enters alarm mode and the red indicator is steady on.

Alarm bell

Produces clear and consistent sounds in case of a fire, reminding onsite personnel to evacuate from the site immediately, thereby avoiding major accident.

System Features



All surface-mounted fire control cables are routed through metal hoses. The hose ends are protected with grommets to prevent damage in case of a fire. Fire control cables are routed and used separately which ensures secure and reliable power supplies to the fire extinguishing system.

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

Item

Specifications

AC input frequency

≤ 120 W

AC input voltage

220 V AC ± 20%

DC backup power

Voltage

24 V DC

Electricity

7.0 Ah

Capacity

Number of detector loops

Two loops: one loop connected to the common heat detector and the other connected to the smoke detector

Number of detectors connected to each loop

≤ 20 (common detectors) Wire system of the detector loop

Two-wire system

Length of the detector loop

≤ 1000 m

Relay contact capacity

7 A, 24 V DC for all relays

Each core component in the fire extinguishing system can be flexibly matched with each other to create a system that meets the fire extinguishing requirements of different levels in a single container or combined containers.

1.2 Components

Gas Extinguishing Controller

A gas extinguishing controller provides the following functions:



Detects and reports composite fire alarm signals in dual loops. It can be connected to the emergency startup button, which ensures that the system operation is under control in case of an emergency or during onsite equipment maintenance.



Restarts automatically after a fault is rectified.



Provides a port for the gas release confirmation signal (reporting pressure values).



Generates single and composite fire alarms, drives gas release indicators and audible and visual alarms, and controls alarm bells.



Provides an independent output port for the solenoid valve driver and supports 3 A, 24 V solenoid valve (electric detonator) startup current.



Detects the open circuit fault of the input loop and the short circuit and open circuit of the output loop (in active output mode).



Provides the intelligent monitoring, and overcharge and overdischarge protection for standby batteries.



Adopts the low-power consumption design, and supports at least 48-hour consecutive operation for the backup power.



Provides password lock protection for the keypad to prevent misoperations.

Table 1-2 lists the specifications for the gas extinguishing controller.

Table 1-2 Specifications for the gas extinguishing controller

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Item

Specifications

Solenoid valve output loop

≤ 3 A

Output loop current limit for other drivers

≤ 1 A

Item

Specifications

Dimensions

Outer diameter of the steel vessel: 364 mm

Maximum operating pressure

50°C: 3.4 MPa

Storage pressure

20°C: 4.2 MPa

Storage container volume

70 L

Heptafluropropane filling density

≤ 1120 kg/m3

Startup current

1.2 A

Startup voltage

24 V DC

Gas Extinguishing Equipment

The gas extinguishing equipment uses heptafluropropane as the extinguishing agent. It consists of components such as the extinguishing agent vessel, gas supply pipe, pressure annunciator, and solenoid valve driver.

Table 1-3 lists the specifications for the gas extinguishing equipment.

Table 1-3 Specifications for the heptafluropropane gas extinguishing equipment

VESDA

A VESDA consists of the host, power box, and sampling pipe. The VESDA host includes two types: VLS and VLP. The VLS is a four-pipe scanning detector that can monitor each pipe and generate alarms. The VLP is a standard detector that can only conduct general monitoring but not for each pipe. The host should be configured based on practical requirements.

The detector host consists of a suction pump, filter, high-sensitivity smoke detector, and precision electrical analyzer. The fan sucks air samples from the monitored environment through the air sampling pipe to the smoke detector, which will analyze and process the samples and calculate the amount of smoke in the air. If the smoke density exceeds the preset alarm threshold, the system blinks and sends alarm signals to the ECC.

A dedicated PPS-004 power box should be configured for the VESDA. The PPS-004 power box should be supplied by a 220 V AC main input and supplies 24 V DC power to the VESDA host. Backup batteries should be deployed for the PPS-004 power box.

The features of the VESDA are as follows:



High sensitivity and wide sensitivity adjustment range (0.005–20% obs/m), able to detect regular fires at an early stage as well as the particles generated by the softened insulation layer of an overloaded power cable

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

Item

Specifications

Dimensions (H x W x D)

175 mm x 90 mm x 245 mm

Power supply voltage

24 V DC, powered by a dedicated power box (The power box is powered by 220 V external AC input.)

Power backup duration

DC, 24 V, 7 Ah, ≥ 8 h

Temperature of the sampled air

0–40°C

IP level

IP30

Maintenance port

Real-time fault detector, air filter, and programming port

Coverage area

500 m2

Component Name

Configuration Principle

Gas extinguishing controller

Configure one single-zone gas extinguishing controller for each single-zone fire extinguishing system.

Active air sampling which uses the high-efficient air suction pump to continuously suck the air samples from the protected zone to the detection cell; detecting results less influenced by air flow compared with the traditional fire detection method



Small-sized and easy for installation; able to be deployed based on onsite requirements, adopting polyvinyl chloride (PVC) pipes that enable flexible installation such as on the ceiling, under the floor, at the air conditioner air return vents, and in the positions that require special protection, for example, inside the equipment cabinet through the capillary air sampling pipes to monitor the equipment in the cabinet.



Using a dedicated filter to process the air that will be used to clean the laser measuring cell, which prolongs the life span of the detector. The filter can be easily maintained and replaced, and cleaned by blowing the air sampling pipe. Therefore, you do not have to replace other components.



Improved self-diagnostic system that enables the monitoring of the VESDA system, network, and sampling pipe status in real-time; generating alarm signals and able to locate the faulty areas if a fault occurs

Table 1-4 lists the specifications for the VESDA.

Table 1-4 VESDA specifications

1.3 Configuration Principles

Each independent protected zone in the container data center can be configured with one single-zone fire extinguishing system, as described in 1.1 System Introduction. Table 1-5 describes the quantity configuration principle for each component in the fire extinguishing system.

Table 1-5 Quantity configuration principle for each component in the fire extinguishing system

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Component Name

Configuration Principle

VESDA

Determine the model and quantity of VESDAs based on the size of the protected zone.

VESDA power box

Determine the quantity of VESDA power boxes based on the quantity of VESDAs. Each VESDA is configured with one power box.

Gas extinguishing equipment

Determine the quantity of gas extinguishing equipment based on the size of the protected zone.

Fire extinguishing pipe

After ensuring that extinguishing agents can be transported to the entire protected zone swiftly and evenly, deploy the pipes flexibly based on the layout of the protected zone.

Atomizer nozzle

Installed on fire extinguishing pipes based on the size of the protected zone.

Gas release indicator

Configured at the entrance or exit of the protected zone (one to two in general).

Audible and visual alarm

Configured based on the size of the protected zone (one to two in general).

Emergency start/abort switch

Configured at the entrance or exit of the protected zone (one in general).

Heat detector

Configured in couple with a smoke detector based on the size of the protected zone.

Smoke detector

Configured in couple with a heat detector based on the size of the protected zone.

Alarm bell

Configured based on the size of the protected zone (one to two in general).



For details about how to configure the container data center fire extinguishing system, see the corresponding descriptions in the Container Data Center Initial Configuration Guide.



A VESDA is optional in the fire extinguishing system. If it is not configured in the practical solution, ignore the relevant VESDA descriptions in this document.



A gas extinguisher is an auxiliary device in the fire extinguishing system. If it is not configured in the practical solution, ignore the relevant gas extinguishing equipment descriptions in this document.

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2.1 Precautions



Before commissioning the fire extinguishing system, ensure that all control cables to fire cylinder solenoid valves have been disconnected. This prevents the fire extinguishing equipment from malfunctioning due to improper manual operations or incorrect cable connections, and further prevents accidental damage. After the commissioning is complete, reconnect the solenoid valves.



To ensure the normal operation of the fire extinguishing system, the dowel tightening the solenoid valve and the container valve must be removed. To prevent the fire extinguishing system from spraying falsely when installing the IT equipment and commissioning the system, remove the dowel tightening the solenoid valve and the container valve on the fire cylinder only after you have commissioned the IT equipment and fire extinguishing system.



Before commissioning the system, perform the jumper operation for the passive output. Otherwise, the 6 A fuse (5D) on the main board will be damaged.



The main task involves commissioning of fire extinguishing association, which can be operated only by professionals in this field.



Only qualified personnel are allowed to perform the operation and maintenance (O&M) on the fire extinguishing system of the container data center.



Before performing routine maintenance of the fire extinguishing system, inform the related departments of the temporary downtime due to maintenance. In addition, disable the logical control function of the area or system to prevent false alarms. Inform the related departments of the system recovery after the maintenance is complete.



Take ESD measures before removing the front panel from the VESDA.



The following contents in this document describe the operation of a single-zone fire extinguishing system. If the container data center is configured with multiple single-zone fire extinguishing systems, perform the operation based on corresponding introductions in this document.

2 Operation Description

2.2 Emergency Operation Overview

Precautions



Only qualified personnel are allowed to perform emergency operations.

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

Alarm or Fault

Find Through

Possible Causes

Possible Impact

Emergency Operation

Early fire alarm

System and equipment alarms or maintenance

There is slight smouldering in the data center.

A fire is caused.

8.1 Early Fire Alarm

Single fire alarm

System and equipment alarms or maintenance

A smoke alarm or heat alarm is generated.

A fire is caused.

8.2 Single Fire Alarm

Composite fire alarm

System and equipment alarms or maintenance

A fire is caused in the data center.

The data center is destroyed.

8.3 Composite Fire Alarm

Tools and Materials

Phillips screwdriver

Flat-head screwdriver

Box cutter

Emergency operations are performed only when a critical alarm or fault occurs in the container data center.



Emergency operations are basic measures taken to prevent or reduce the loss or destruction of the container data center. When performing emergency operations during the O&M process, also take the actual situation into consideration.



This document provides only common emergency operations for the container data center. It does not cover all emergency operations. If the symptom is different from the symptom described in this document, do not use the method provided in this document to rectify the fault.



For more information about emergency operations, contact Huawei technical support.

Common Critical Alarms and Faults

Table 2-1 describes the common critical alarms and faults of the container data center.

Table 2-1 Common critical alarms and faults

2.3 Preparations

2.3.1 Obtaining Tools

Table 2-2 lists the tools required for the container data center.

Table 2-2 Tools and materials

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Tools and Materials

Multimeter

Electroprobe

Wire stripper

Cable ties

PVC insulation tape

Marker

Electrostatic discharge (ESD) gloves

Ladder (2 m)

ESD wrist strap

Technical Manual

Function

Obtaining Method (Remarks)

Container Data Center Installation Parameter Description

Provides guide for the container data center initial configurations. You can obtain fire extinguishing system initial configurations and the reported alarm information in the management system.

Downloaded from http://support.huawei.com.

Container Data Center Power-On Commissioning Guide

Provides guide for the power-on commissioning, and shutdown and power-off for the container data center. You can obtain the power control information of the fire extinguishing system.

Downloaded from http://support.huawei.com.

iManager NetEco 6000 Product Documentation

Provides guide for installing, configuring, and commissioning the management system. You can obtain the methods for

Downloaded from http://support.huawei.com.

The listed tools are for routine maintenance only. Prepare other tools as required.

2.3.2 Obtaining Technical Documents

Table 2-3 lists the documents required for the operation and maintenance (O&M) of the

container data center fire extinguishing system.

Table 2-3 O&M document list

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Technical Manual

Function

Obtaining Method (Remarks)

configuring the fire extinguishing controller and VESDA in the management system.

Container Data Center Installation Guide

Provides guide for installing the container data center. You can obtain the methods for installing the container data center hardware devices.

Downloaded from http://support.huawei.com.

Container Data Center O&M Parameter Description

Provides guide for operating and maintaining the container data center. You can obtain the relationship between the fire extinguishing system and other systems in the container data center.

Downloaded from http://support.huawei.com.

Container Data Center Core Component Document Package

Provides guide for the power-on commissioning, configuration, and O&M of core components.

Provided by Huawei for the customer during project delivery.

Field

Personnel Skill Requirement

Remarks

Fire extinguishing system

Familiar with the configurations of the fire extinguishing system and the operations of each core component

Familiar with the overall configurations and layout of the container data center

Experienced in maintaining the fire extinguishing system

None

2.3.3 Personnel Skill Requirements

Table 2-4 describes the skills required for the container data center fire extinguishing system

O&M personnel.

Table 2-4 Requirements for the O&M personnel

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3 Power-On Commissioning

3.1 Initial Configuration

Prerequisites



The container data center has been installed and passed installation tests.



You have obtained the Container Data Center Initial Configuration Guide for the corresponding solution.

Procedure

Step 1 Set the output jumper mode of the single alarm (JP8), composite alarm (JP9), and general

Before commissioning the fire extinguishing system, familiarize yourself with the configurations of the fire extinguishing system and the layout of each component in the corresponding solution. For details, see the Container Data Center Initial Configuration Guide for corresponding solutions.

fault (JP10) to passive output, as shown in Figure 3-1.

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Figure 3-1 Setting passive output for alarms

You must perform the jumper operation. Otherwise, the 6 A fuse (5D) on the main board will be damaged.

The factory setting of the jumper mode on the fire extinguishing controller for the single alarm, composite alarm, and general fault is active output, as shown in Figure 3-2.

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Figure 3-2 Setting active output for alarms

Step 2 Check the connections of the monitoring cables for reporting the single alarm, composite

alarm, and general fault.

The gas extinguishing controller adopts the passive output to report the alarms, and reports alarm signals to the management system through the network cable. Figure 3-3 shows the correct cable connections.

Figure 3-3 Correct cable connections for the general fault cables (4, 5), single alarm cables (6, 7), and composite alarm cables (8, 9)

Step 3 Set the solenoid valve test mode.

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For details about how to set the solenoid valve test mode, see the Container Data Center Initial Configuration Guide.

1. If the system is configured with one fire extinguishing cylinder and no fire extinguishing

power box is configured (fire extinguishing power module SJ-DYX-0607, with relays and batteries). Ensure that the jumper state for JP7 is OFF (detecting faults). If the jumper state is not OFF, adjust it to OFF. Figure 3-4 shows the position to be set.

Figure 3-4 Setting the test mode for the solenoid valve

2. If the system is configured with two or more fire extinguishing cylinders and no fire

extinguishing power box is configured (mode of the fire extinguishing power module SJ-DYX-0607, with relays and batteries). Ensure that the jumper state of JP7 is ON (not detecting faults). If the jumper state is not ON, adjust it to ON Figure 3-5 shows the position to be set.

Figure 3-5 Setting the test mode for the solenoid valve

Step 4 Set the power-on delay for the solenoid valve.

Set the power-on delay for the solenoid valve from 25s to 30s, as shown in Figure 3-6.

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Figure 3-6 Setting the power-on delay for the solenoid valve from 25s to 30s

The factory setting for the solenoid valve power-on delay is 30s, as shown in Figure 3-7.

Figure 3-7 Setting the initial power-on delay for the solenoid valve

Step 5 Set the gas extinguishing controller time display.

Open the controller panel and calibrate time from the rear of the display panel.

There are three buttons and one light emitting diode on the rear of the panel. The three buttons are

Switchover S12, Former plus S11, and Later plus S10, respectively, which are used to calibrate time.

Former plus means plus 1 for the first two values of the nixie tube, and Later plus means

plus 1 for the last two values of the nixie tube. The adjustment methods are as follows:

1. Press Switchover S12, and the H11 indicator lights up, indicating that the time is being

calibrated. The nixie tube displays the year in the format of ??. Press Later plus S10 to add the value, which ranges from 1 to 60.

2. Then press Switchover S12, and the nixie tube displays the month and day in the format

of ??.??. Press Former plus S11 to adjust the month, which ranges from 1 to 12, and then press

Later plus S10 to adjust the date, which ranges from 1 to 31.

3. Press Switchover S12 again to display hour and minute, which is in the format of ??:??.

Press Former plus S11 to adjust the month, which ranges from 1 to 23. Then press Later plus S10 to adjust the day, which ranges from 0 to 59.

4. Press Switchover S12 again to finish the time setting. The indicator H11 lights off. The

nixie tube displays the hour and minute.

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----End

3.2 Checking Before Power-On

Prerequisites



You have completed the power-on for the Power Supply and Distribution System and the fire extinguishing power distribution box (PDB) in the container data center.

Before the power-on, ensure that you have been familiarized with the function and control relationship of each circuit breaker in the Power Supply and Distribution System. For details about the function and control relationship of each circuit breaker in the Power Supply and Distribution System, see the corresponding descriptions in the Container Data Center Initial Configuration Guide.

Procedure

Step 1 Configure and check the initial parameter settings of the fire extinguishing system by

referring to the Container Data Center Initial Configuration Guide.

For details about how to configure and check the parameters, see 3.1 Initial Configuration.

Step 2 Check the cable connections of solenoid valves. Disconnect the control cables to solenoid

valves to prevent the fire extinguishing equipment from malfunctioning due to improper manual operations. Figure 3-8 shows the solenoid valve.

Figure 3-8 Solenoid valve

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Step 3 Check whether the emergency shutdown button short-circuit cable (between terminals 19 and

GND) is disconnected. If not, disconnect the cable and do not reconnect it after that. Ensure that the cable to terminal 19 is red and that to GNT is black. Ensure that the short-circuit cable between terminals 20 and GND is properly connected (in the manual switchover state), as shown in Figure 3-9.

Figure 3-9 Cable to the emergency start/abort switch

Step 4 Check the battery cable connection. Figure 3-10 shows the correct cable connections.

Figure 3-10 Connecting battery cables

Step 5 Check the cable connections between other components and the gas extinguishing controller

in the fire extinguishing system.

Step 6 Ensure that cable labels are correct, intact, and clearly legible. Step 7 Ensure that the input circuit breaker for the gas extinguishing controller is OFF. Step 8 Ensure that the input circuit breaker for the VESDA power box is OFF. Step 9 Ensure that the cable connections for the VESDA power box batteries are correct and the

power box is correctly connected to the host.

Step 10 Ensure that the power for the gas extinguishing controller and VESDA power box circuit

breakers meets rated voltage and current requirements.

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Before the power-on of the container data center fire extinguishing system, check all the fire extinguishing components one by one by following the preceding check methods and items.

----End

3.3 Hardware Power-On Commissioning

Prerequisites



You have completed the power-on check.



You have obtained the Container Data Center Initial Configuration Guide and Container Data Center Power-On Commissioning Guide.



You have obtained the documents delivered with the fire extinguishing devices.

Procedure

Step 1 Switch on the input circuit breaker for the VESDA power box in the corresponding protected

zone. For details, see the Container Data Center Initial Configuration Guide and Container Data Center Power-On Commissioning Guide.

Step 2 Complete the power-on commissioning for the VESDA. For details, see the delivered

VESDA documents.

If multiple VESDAs are configured in the protected zone, follow the preceding power-on operations to power on their hardware.

Step 3 Switch on the input circuit breaker for the gas extinguishing controller in the corresponding

protected zone. For details, see the Container Data Center Initial Configuration Guide and Container Data Center Power-On Commissioning Guide.

Step 4 Turn on the main power and backup power switches for the controller to power on the gas

extinguishing controller. Figure 3-11 shows the positions of the switches.

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Figure 3-11 Power switches

Step 5 Unlock the keypad.

The keypad is locked to prevent misoperation. To unlock the keypad, press /KEY ON/OFF and then press /QUERY TIME. The keypad is unlocked and the keypad indicator is on. To lock the keypad, press /KEYON/OFF. The keypad indicator is off. The key will be locked if no operation is performed in 4 minutes.

Step 6 Start or stop the audible and visual alarm.

When the keypad is unlocked, press /HORN/STROBE to start or stop the audible and visual alarm. After the audible and visual alarm is started, the indicator beside the button is on.

Step 7 Start or stop the alarm bell.

When the keypad is unlocked, press /ALARM BELL to start or stop the alarm bell. After the alarm bell is started, the indicator beside the button is on.

Step 8 Check that all smoke detector and heat detector indicators work properly.

Normally, the indicators blink once every 6 seconds.

Step 9 Check that emergency startup/abort switch indicators work properly.

Normally, the Run indicator is steady on.

When powering on and commissioning the hardware of the fire extinguishing system, commission all the fire extinguishing devices in the container data center. For details about the positions of each fire extinguishing device, see the Container Data Center Initial Configuration Guide.

----End

3.4 Fire Extinguishing System Commissioning

Commission the fire extinguishing system before using the container data center to ensure that the system works properly.

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Prerequisites



You have completed the power-on for the fire extinguishing system.



The monitoring system is working properly.



Smoke and heat generators have been prepared.



The main task involves commissioning of fire extinguishing association, which can be operated only by professionals in this field.



Before commissioning the system, ensure that all control cables to solenoid valve drivers have been disconnected. This prevents the fire extinguishing equipment from malfunctioning due to improper manual operations or incorrect cable connections, and further prevents accidental damage. After the commissioning is complete, reconnect the solenoid valves.



Before commissioning the system, perform the jumper operation for the passive output. Otherwise, the 6 A fuse (5D) on the main board will be damaged.



If a blow drier is used to simulate the high-temperature scenario, do not get too close to the detector to avoid the damage of the detector probe caused by high temperature.

Procedure

Step 1 Commission the VESDA.

Step 2 Check whether the gas extinguishing controller is in the automatic mode (the controller has

Release some smoke to the protected zone using a smoke pistol and observe the reaction of the VESDA.

two modes: automatic and manual). The AUTO indicator lights up when the controller enters automatic mode, and the MANUAL

indicator lights up when the controller enters manual mode. The positions of the indicators are as shown in Figure 3-12.

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Figure 3-12 AUTO and MANUAL indicators on the gas extinguishing controller panel

If the status is manual, no solenoid valve driving signals will be generated from the controller when the dual fire alarms from the smoke detector and heat detector are triggered.

Step 3 Simulate to trigger the smoke detector and heat detector.

When the gas extinguishing controller is tested and the first and second fire alarms are triggered in sequence, the first loop indicator on the panel turns from off to blinking, and the second loop indicator turns from off to steady on, which are normal reactions.

1. Use a conductor to short-circuit terminals 26 and GND to simulate to trigger the smoke

detector, as shown in Figure 3-13.

Figure 3-13 Short-circuiting terminals 26 and GND

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After the short-circuiting, a smoke detector loop alarm is triggered, and the loop 1 indicator on the gas extinguishing controller panel blinks in red, as shown in Figure 3-14.

The controller reports a single loop alarm and the fire extinguishing alarm bell alarms.

Figure 3-14 Loop 1 indicator on the gas extinguishing controller panel



You can also use a smoke pistol to release smoke near the smoke detector until the detector is triggered.



Do not clear the alarm. Proceed to the alarm simulation for the heat detector.

2. Use a conductor to short-circuit terminals 25 and GND to simulate to trigger the heat

detector, as shown in Figure 3-15.

Figure 3-15 Short-circuiting terminals 25 and GND

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After the short-circuiting, a heat detector loop alarm is triggered, and the loop 2 indicator on the gas extinguishing controller panel is steady red, as shown in Figure 3-16.

The controller generates another loop fire alarm. The audible and visual alarm begins to operate and enter the 30s countdown mode.

Figure 3-16 Loop 2 indicator on the gas extinguishing controller panel

You can also use a blow drier or heat gun to blow hot air near the heat detector until the detector is triggered.

3. Measure the output voltage of the solenoid valve.

After the countdown is completed, use a multimeter to measure the output voltage for the solenoid valve, and ensure that the voltage ranges from 24 V to 27.5 V, as shown in

Figure 3-17. The gas release indicator turns on at the same time.

Figure 3-17 Measuring the voltages for the two terminals of the solenoid valve

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Step 4 Commission the pressure annunciator.

1. Reset the gas extinguishing controller to automatic and disconnect the cables from the

solenoid valve.

2. Short-circuit the pressure annunciator cables (red and black), as shown in Figure 3-18.

The gas release indicator should light up.

Figure 3-18 Short-circuiting the pressure annunciator terminals

Step 5 Commission the emergency startup/abort switch.

The panel of the emergency startup/abort switch is for one-time use only. Before the commissioning, remove the panel to perform an operation on the emergency startup/abort switch directly, as shown in Figure 3-19.

Reset the emergency startup/abort switch after the commissioning (the switch is bounced up and not pressed).

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Figure 3-19 Emergency startup/abort switch (panel not removed on the left, panel removed on the right)

Press the startup button, the system enters the gas releasing delay mode, and the audible and visual alarm begins to operate. After the countdown is complete, solenoid valve driving signals are generated and the gas release indicator lights up. If you press the shutdown button during the delay, the system will stop generating the solenoid valve driving signals.

Step 6 Test the functions of detectors.

Remove the smoke detector or heat detector from the base, as shown in Figure 3-20. Simulate a network failure for the smoke detector or heat detector in this loop. The gas extinguishing controller should report relevant loop faults, as shown in Figure 3-21. Reinstall the smoke detector or heat detector, and the fault is rectified.

Figure 3-20 Removing detectors

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Figure 3-21 Loop fault alarm indicators for the smoke detector and heat detector (Zone 1 for the smoke detector, and Zone 2 for the heat detector).

Step 7 After the test is complete, reset the gas extinguishing controller. Step 8 (Optional) Check that the fire control signals are reported to the monitoring center.

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

The fire extinguishing system meets requirements if operations during the commissioning have expected results and corresponding alarms are generated in the iManager NetEco management system.



The system can be put into use if operations during the commissioning have expected results.



To ensure the normal operation of the fire extinguishing system, the dowel tightening the fire cylinder solenoid valve and the container valve must be removed. Figure 3-22 shows the dowel.

Figure 3-22 Dowel tightening the fire cylinder solenoid valve

----End

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4 Routine Maintenance

Maintenan ce Item

Operation

Expected Result

Troubleshooting

Fire alarm

Check gas fire extinguishing

No fire alarms are

If an alarm is generated, take actions immediately. For details,

4.1 Routine Maintenance Overview

Routine Maintenance

Routine maintenance is scheduled maintenance carried out to ensure proper system operating and to therefore avoid any unscheduled breakdown and downtime.

Routine maintenance helps the O&M personnel to:



Find and handle alarms related to equipment operating in a timely manner.



Discover potential risks in a timely manner, preventing faults that could possibly cause economic losses and reduce customer satisfaction.



Analyze the system operating trend based on collected information and take measures to improve operating efficiency.

Emergency maintenance is a process of rectifying a fault occurred during the system operation. For details, see 1 Configuration Description.

Routine Maintenance Interval

The routine maintenance interval specifies how often a maintenance task is performed. A maintenance task can be performed on a daily, weekly, monthly, quarterly, semi-annual, or annual basis. For example, if the maintenance interval for a task is daily, the task is performed every day.

In this document, if a maintenance task is not given a fixed maintenance interval, determine the maintenance interval based on actual situation of the container data center.

4.2 Daily Maintenance

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Maintenan ce Item

Operation

Expected Result

Troubleshooting

controllers for alarms.

generated.

see the emergency operations for the fire extinguishing system.

Maintenan ce Item

Operation

Expected Result

Troubleshooting

Fire extinguisher s

Check whether the fire extinguishers are in good condition.

Check the validity period of fire extinguishers.

The fire extinguishers are in good condition and within the validity period.

If a fire extinguisher is not in good condition or has expired, replace the fire extinguisher.

Maintena nce Item

Operation

Expected Result

Troubleshooting

Appearance of cabinet-type gas extinguisher components , including the extinguishin g agent vessel, solenoid valve driver, pipes, and nozzles

Check all components of the cabinet-type gas extinguishers.



The components are free from mechanical damage.



The components are free from rust and corrosion, the protective coating is intact, and the nameplate is clear.



The protective cover, lead seal, and safety signs on hand-operated devices are intact.



Devices, pipes, supports, and hangers in the extinguishing agent

If components are bent due to collision, contact Huawei technical support.

4.3 Weekly Maintenance

Gas extinguishers are optional for the container data center. The weekly maintenance tasks may vary with the fire extinguishers you use.

4.4 Monthly Maintenance

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Maintena nce Item

Operation

Expected Result

Troubleshooting

vessel are installed securely.



All nozzle openings are not blocked.

Gas pressure of the fire cylinder

Observe the pointer on the barometer of the fire cylinder.

The pointer is in the green area.

If the pointer is not in the green area, contact Huawei technical support.

Maintena nce Item

Operation

Expected Result

Troubleshooting

Alarm indicator on smoke detectors

Observe the alarm indicator on each smoke detector.

The alarm indicator blinks once every six seconds.

If an alarm indicator blinks twice every six seconds or does not blink, the smoke detector is faulty or the cables are not properly connected. Connect the cables or replace the smoke detector. For details, see the operations described in 6.1 Smoke

Detector Fault.

Alarm indicator on heat detectors

Observe the alarm indicator on each heat detector.

The alarm indicator blinks once every six seconds.

If an alarm indicator blinks twice every six seconds or does not blink, the heat detector is faulty or the cable is not properly connected. Connect the cables or replace the heat detector. For details, see the operations described in 6.2 Heat

Detector Fault.

Audible and visual alarm

Trigger a smoke detector and a heat detector.

Audible and visual alarms are generated.

If no alarm is generated, the audible and visual alarm is faulty or the cable is not properly connected. Rectify the fault by following the instructions in

6.4 Audible and Visual Alarm Fault.

Fire alarm bell

Trigger a smoke detector or a heat detector.

The fire alarm bell rings.

If the fire alarm bell does not ring, the alarm bell is faulty or the cable is not properly connected. Connect the cable or replace the alarm bell. For details, see the operations described in 6.5 Fire Alarm Bell Fault.

4.5 Quarterly Maintenance

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4.6 Semi-Yearly Maintenance

Maintena nce Item

Operation

Expected Result

Troubleshooting

VESDA air detector network

Check the connection of air detectors.

The air detectors are securely connected.

Connect the air detectors securely.

Smoke detectors

Use a dedicated test instrument or a smoke generator to blow smoke to a smoke detector and check the indicator status on the smoke detector.



If the smoke density is below the alarm threshold, the alarm indicator blinks once every six seconds.



If the smoke density exceeds the alarm threshold, the alarm indicator is steady on.



If the smoke density is below the alarm threshold but the alarm indicator blinks twice every six seconds, the smoke detector is faulty. Replace the smoke detector.



If the smoke density exceeds the alarm threshold but the alarm indicator is not steady on, replace the smoke detector.

For details about how to replace a smoke detector, see

7.1 Replacing a Smoke Detector.

NOTE

You are advised to clean smoke detectors every two years.

Heat detectors

Use a dedicated test instrument or a blow drier to check the heat detectors. Observe the alarm indicator.

NOTICE

To prevent damage to the heat detector probe, keep a proper distance between the sensor probe and the blower drier.



If the temperature is below the alarm threshold, the alarm indicator is blinking.



If the temperature exceeds the alarm threshold, the alarm indicator is steady on.



If the temperature is below the alarm threshold but the alarm indicator is steady on, replace the heat detector.



If the temperature exceeds the alarm threshold but the alarm indicator is not steady on (that is, no alarm is generated), replace the heat detector.

For details about how to replace a heat detector, see

7.2 Replacing a Heat Detector.

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4.7 Yearly Maintenance

Maintena nce Item

Operation

Expected Result

Troubleshooting

Other maintenanc e tasks of the VESDA

For details, see the documents delivered with the VESDA.

Fire extinguishin g system commission ing

For details, see the 3.4 Fire Extinguishing

System Commissioning.

See the troubleshooting and alarm handling procedure of the fire extinguishing system.

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5 Alarm Reference

Alarm

Alarm Severit y

Alarm Type

Impact on the System

Solution

Gas extinguish ing controller communic ation failure

Critical

Event

The fire extinguishing system cannot be monitored.

See the documents delivered with the gas extinguishing controller.

Fire extinguish ing hardware fault

Critical

Event

The fire extinguishing system does not work.

1. Check whether the fire

extinguishing components are in good condition and properly connected.



If yes, contact Huawei technical support.



If no, go to 2.

2. Rectify the fault and check

whether the alarm is cleared.



If yes, no further action is required.



If no, contact Huawei technical support.

Fire extinguish ing triggered

Critical

Alarm

The fire extinguishing equipment has released extinguishing agents into the protected zone of the container.

Check whether a fire is present in the container.

If yes, fire extinguishing cylinders are triggered. Wait for the fire extinguishing system to respond.

If no, check whether fire extinguishing cylinders are triggered.



If the fire extinguishing cylinders are triggered, press the shutdown button on the emergency startup/abort switch to stop fire

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Alarm

Alarm Severit y

Alarm Type

Impact on the System

Solution

extinguishing actions. Then see

6.6 Failed to Drive the Fire Cylinder.



If the fire extinguishing cylinders are not triggered, see 6.6 Failed to

Drive the Fire Cylinder.

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6.1 Smoke Detector Fault

Possible Causes



The power supply to the smoke detector is abnormal.



The smoke detector is faulty.



The cable connection of the smoke detector is abnormal.

6 Troubleshooting

Tools and Materials



Multimeter



Screwdriver



Step ladder



Spare smoke detectors

Procedure

Step 1 Check whether the power supply to the smoke detector is abnormal.

In normal conditions, use a multimeter to measure the common terminal (base terminal 1) and the signal terminal (base terminal 3) and check whether the voltage is about 24 V.

Y => The voltage is normal. Go to Step 2. N => Regulate the voltage to a normal value. Check whether the fault is rectified.



If yes, no further action is required.



If no, go to Step 2.

Step 2 Replace the smoke detector.

Check whether the fault is rectified.



If yes, no further action is required.



If no, go to Step 3.

Step 3 Check the cable connection of the sensor base.

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Figure 6-1 shows the positions and functions of terminals on the sensor base.

Figure 6-1 Terminals on the sensor base

Terminals (no polarity, two-wire)



1: L2 (connected to the common terminal)



2: L1 (connected to a lower-level device)



3: L1 (connected to an upper-level device)



4: reserved

Use a multimeter to check whether there is any short circuit or open circuit. Y => Rectify the connection fault. Check whether the fault is rectified.



If yes, no further action is required.



If no, contact Huawei technical support.

N => Contact Huawei technical support.

----End

6.2 Heat Detector Fault

Possible Causes



The power supply to the heat detector is abnormal.



The heat detector is faulty.



The cable connection of the heat detector is abnormal.

Tools and Materials



Multimeter

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Procedure

Step 1 Check whether the power supply to the heat detector is abnormal.

Step 2 Y=> Replace the heat detector.



Screwdriver



Step ladder



Spare heat detector

In normal conditions, use a multimeter to measure the common terminal (base terminal 1) and the signal terminal (base terminal 3) and check whether the voltage is about 24 V.

Y => Go to Step 2. N => Regulate the voltage to a normal value. Check whether the fault is rectified.



If yes, no further action is required.



If no, go to Step 2.

Check whether the fault is rectified.



If yes, no further action is required.



If no, go to Step 3.

Step 3 Check the cable connection of the sensor base.

Figure 6-2 shows the positions and functions of terminals on the sensor base.

Figure 6-2 Terminals on the sensor base

Terminals (no polarity, two-wire)

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

1: L2 (connected to the common terminal)



2: L1 (connected to a lower-level device)



3: L1 (connected to an upper-level device)



4: reserved

Use a multimeter to check whether there is any short circuit or open circuit. Y => Rectify the connection fault. Check whether the fault is rectified.



If yes, no further action is required.



If no, contact Huawei technical support.

N => Contact Huawei technical support.

----End

6.3 Gas Release Indicator Fault

Possible Causes



The power supply to the gas release indicator is abnormal.



The gas release indicator is faulty.



The cable connection of the gas release indicator is abnormal.

Tools and Materials



Multimeter



Gloves



Screwdriver



Step ladder

Procedure

Step 1 Check the power supply to the gas release indicator.

Short circuit the pressure annunciator after the cable is removed from the solenoid valve. When the gas release indicator is off, use a multimeter to measure the two terminals (24 V+ and GND) of the gas release indicator. Check whether the voltage is within the normal range.

Y => Go to Step 2. N => Regulate the voltage to a normal value. Check whether the fault is rectified.



If yes, no further action is required.



If no, go to Step 2.

Step 2 Replace the gas release indicator.

Check whether the fault is rectified. If yes, no further action is required.

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If no, go to Step 3.

Step 3 Check the connection between the gas release indicator and the controller.

Use a multimeter to check whether there is any short circuit or open circuit. Y => Rectify the connection fault. Check whether the fault is rectified. If yes, no further action is required. If no, contact Huawei technical support. N => Contact Huawei technical support.

----End

6.4 Audible and Visual Alarm Fault

Possible Causes



The power supply to the audible and visual alarm is abnormal.



The audible and visual alarm is faulty.



The cable connection of the audible and visual alarm is abnormal.

Tools and Materials



Multimeter



Screwdriver



Step ladder

Procedure

Step 1 Check the power supply to the audible and visual alarm.

Trigger a smoke alarm and a temperature alarm when the cable is removed from the solenoid valve, and observe whether audible and visual alarms are generated. Use a multimeter to measure the DC24V+ and GND terminals of the audible and visual alarm, and check whether the voltage is within normal range.

Y => Go to Step 2. N => Regulate the voltage to a normal value. Check whether the fault is rectified.



If yes, no further action is required.



If no, go to Step 2.

Step 2 Replace the audible and visual alarm.

Check whether the fault is rectified.



If yes, no further action is required.



If no, go to Step 3.

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Step 3 Check the connection between the audible and visual alarm and the controller.

Figure 6-3 shows the terminals on the audible and visual alarm.

Figure 6-3 Terminals on the audible and visual alarm

Terminals (two-wire):



1: reserved



2: +24 V positive



3: GND negative



4: reserved

Use a multimeter to check whether there is any short circuit or open circuit. Y => Rectify the connection fault. Check whether the fault is rectified. Check whether the fault is rectified.



If yes, no further action is required.



If no, contact Huawei technical support.

N => Contact Huawei technical support.

----End

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6.5 Fire Alarm Bell Fault

Possible Causes



The power supply to the fire alarm bell is abnormal.



The fire alarm bell is faulty.



The cable connection of the fire alarm bell is abnormal.

Tools and Materials



Multimeter



Gloves



Step ladder



Screwdriver

Procedure

Step 1 Check whether the power supply to the fire alarm bell is abnormal.

Trigger a smoke alarm and a temperature alarm when the cable is removed from the solenoid valve, and observe whether the fire alarm bell rings. Use a multimeter to measure the two terminals of the alarm bell, and check whether the voltage is within normal range.

Y => Go to Step 2. N => Regulate the voltage to a normal value. Check whether the fault is rectified.



If yes, no further action is required.



If no, go to Step 2.

Step 2 Replace the fire alarm bell.

Check whether the fault is rectified.



If yes, no further action is required.



If no, go to Step 3.

Step 3 Check the connection between the fire alarm bell and the controller.

Use a multimeter to check whether there is any short circuit or open circuit. Y => Rectify the connection fault. Check whether the fault is rectified.



If yes, no further action is required.



If no, contact Huawei technical support.

N => Contact Huawei technical support.

----End

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6.6 Failed to Drive the Fire Cylinder

Possible Causes



The gas cylinder is not driven successfully.



Cable connection of the gas cylinder is abnormal.

Tools and Materials



Gloves



Multimeter



Screwdriver

Procedure

Step 1 Check whether the gas cylinder is driven successfully.

Y => Contact Huawei technical support. N => Go to Step 2.

Step 2 Replace the driving device of the gas cylinder.

Check whether the fault is rectified. Y => No further action is required. N => Contact Huawei technical support.

----End

6.7 VESDA Fault

For details about how to rectify VESDA faults, see the documents delivered with the VESDA or contact Huawei technical support.

6.8 Gas Extinguishing Controller Fault

Possible Causes



The gas extinguishing controller is not properly connected.



The gas extinguishing controller is faulty.

Tools and Materials



Documents delivered with the gas extinguishing controller



Screwdriver



Gloves



Dedicated keys to the controller box

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Procedure

Step 1 Check the cable connection of the gas extinguishing controller.

Step 2 Check the gas extinguishing controller.

1. Check whether the cable connection is normal.

Y => Go to Step 2. N => Go to Step 1.2.

2. Replace the faulty cable.

Check whether the fault is rectified. If yes, no further action is required. N => Go to Step 2.

1. Check whether the gas extinguishing controller is faulty.

Y => Go to Step 2.2. N => Contact Huawei technical support.

2. Replace the gas extinguishing controller.

Check whether the fault is rectified. Y => No further action is required. N => Contact Huawei technical support.

----End

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7 Parts Replacement

7.1 Replacing a Smoke Detector

Prerequisites



A smoke detector needs to be replaced.



Spare smoke detectors are available.

Tools and Materials



Spare smoke detectors



Gloves



Step ladder

Preparations

Before replacing the smoke detector, inform the related administration department of temporary downtime of the fire control system. In addition, disable the logical control function of the area or system to prevent false alarms. Inform the related departments of the system recovery after the replacement is complete.

Impact on the System

None

Procedure

Step 1 Hold the smoke detector and turn it anticlockwise to remove it from the base.

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A loop fault alarm is generated. No action needs to be taken.

Step 2 Power off the gas fire extinguishing controllers, and connect a new smoke detector.

Figure 7-1 shows the terminals on the sensor base.

Figure 7-1 Terminals on the base

Terminals (no polarity, two-wire)



1: L2 (connected to the common terminal)



2: L1 (connected to a lower-level device)



3: L1 (connected to an upper-level device)



4: reserved

Step 3 Align the smoke detector indicator with B on the base, insert the smoke detector in the base,

and turn it clockwise until the smoke detector is firmly secured.

Step 4 Power on the gas fire extinguishing controller.

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Step 5 If the red indicator on the smoke detector blinks every 6 seconds, the smoke detector is

working properly.

Step 6 Check that the new smoke detector is working properly.

----End

Follow-up Procedure

Send the faulty smoke detector together with a Repair Notice to your local Huawei office for repair.

7.2 Replacing a Heat Detector

Prerequisites



A heat detector needs to be replaced.



Spare heat detectors are available.

Tools and Materials



Spare heat detectors



Gloves



Step ladder

Preparations

Before replacing the heat detector, inform the related administration department of temporary downtime of the fire control system. In addition, disable the logical control function of the area or system to prevent false alarms. Inform the related departments of the system recovery after the replacement.

Impact on the System

None

Procedure

Step 1 Hold the faulty heat detector and turn it anticlockwise to remove it from the base.

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A loop fault alarm is generated. No action needs to be taken.

Step 2 Power off the gas fire extinguishing controllers, and connect a new heat detector.

Figure 7-2 shows the terminals on the sensor base.

Figure 7-2 Terminals on the base

Terminals (no polarity, two-wire)



1: L2 (connected to the common terminal)



2: L1 (connected to a lower-level device)



3: L1 (connected to an upper-level device)



4: reserved

Step 3 Align the heat detector indicator with B on the base, insert the sensor in the base, and turn it

clockwise until the heat detector is firmly secured.

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Step 4 Power on the gas fire extinguishing controller. Step 5 If the red indicator on the heat detector blinks every 6 seconds, the heat detector is working

properly.

Step 6 Check that the new heat detector is working properly.

----End

Follow-up Procedure

Send the faulty heat detector together with a Repair Notice to your local Huawei office for repair.

7.3 Replacing a Gas Release Indicator

Prerequisites



A gas release indicator is faulty.



Spare gas release indicators are available.

Tools and Materials



Phillips screwdriver



Spare gas release indicators



Gloves



Step ladder



Key to the control box

Impact on the System

None

Procedure

Step 1 Use to screwdriver to loosen the screws that fasten the gas release indicator with its base and

remove the gas release indicator.

Step 2 Connect the cable to a new gas release indicator regardless of the polarity. Step 3 Check that the new gas release indicator is working properly.

----End

Follow-up Procedure

Send the faulty gas release indicator together with a Repair Notice to your local Huawei office for repair.

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7.4 Replacing an Audible and Visual Alarm

Prerequisites



An audible and visual alarm is faulty.



Spare audible and visual alarms are available.

Tools and Materials



Phillips screwdriver



Flat-head screwdriver



Spare audible and visual alarms



Step ladder



Key to the control box

Impact on the System

None

Procedure

Step 1 Use a flat-head screwdriver to pry off the cover of the audible and visual alarm from the base.

Step 2 Connect the cable to a new audible and visual alarm using a Phillips screwdriver. Ensure that

the polarities of the cable are correct.

After removing cables, clearly label the cables with its corresponding terminal ports.

Step 3 Install the audible and visual alarm into the base. Step 4 Check that the new audible and visual alarm is working properly.

----End

Follow-up Procedure

Send the faulty audible and visual alarm together with a Repair Notice to your local Huawei office for repair.

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7.5 Replacing a Fire Alarm Bell

Prerequisites



A fire alarm bell is faulty.



Spare fire alarm bells are available.

Tools and Materials



Diagonal pliers



PVC insulation tape



Crimped terminals



Gloves



Step ladder



Spare fire alarm bells

Impact on the System

None

Procedure

Step 1 Push the fire alarm bell out of the base.

Step 2 Cut the cables connecting the faulty alarm bell using diagonal pliers, solder them to the cables

of the new alarm bell regardless of the polarity, wrap the connection point using PVC insulation tape, and install the new fire alarm bell to the base.

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Step 3 Check that the new fire alarm bell is working properly.

----End

Follow-up Procedure

Send the faulty fire alarm bell together with a Repair Notice to your local Huawei office for repair.

7.6 Replacing a Fire Cylinder

Contact Huawei technical support.

7.7 Replacing a Gas Extinguisher

Prerequisites



A gas extinguisher is damaged or has expired.



Spare gas extinguishers are available.

Tools and Materials



Trailer



Gloves



Marker



Spare gas extinguishers

Impact on the System

None

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Procedure

Step 1 Remove the gas extinguisher to be replaced. Step 2 Install a new gas extinguisher and attach a label to it.

----End

Follow-up Procedure

Send the faulty gas extinguisher together with a Repair Notice to your local Huawei office for repair.

7.8 Replacing the Emergency Start/Abort Switch

Prerequisites



The emergency start/abort switch is faulty.



Spare emergency start/abort switches are available.

Tools and Materials



Phillips screwdriver



Flat-head screwdriver



Spare emergency start/abort switches



Key to the control box



Gloves

Impact on the System

None

Procedure

Step 1 Use a Phillips screwdriver to remove the screws from the emergency start/abort switch.

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Step 2 Use a flat-head screwdriver to pry off the cover of the emergency start/abort switch from the

base.

Step 3 Connect the cable to a new emergency start/abort switch using a Phillips screwdriver. Ensure

that the polarities of the cable are correct.

Power on the emergency start/abort switch only after the cable is correctly connected.

Step 4 Use a Phillips screwdriver to tighten the screws on the new emergency start/abort switch. Step 5 Check that the emergency start/abort switch is working properly.

----End

Follow-up Procedure

Send the faulty emergency start/abort switch together with a Repair Notice to your local Huawei office for repair.

7.9 Replacing a VESDA

For details about how to replace a VESDA, see the documents delivered with the VESDA or contact Huawei technical support.

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7.10 Replacing a Gas Extinguishing Controller

Prerequisites



A gas extinguishing controller is faulty.



Spare gas extinguishing controllers are available.

Tools and Materials



Diagonal pliers



PVC insulation tape



Spare gas extinguishing controllers



Documents delivered with the gas extinguishing controller



Gloves



Key to the gas extinguishing controller

Impact on the System

None

Procedure

Step 1 Open the door of gas extinguishing controller using a key. Step 2 Power off the gas extinguishing controller. Step 3 Open the gas extinguishing controller and make a note of the cable connection. Step 4 Remove the cables and gas extinguishing controller. Step 5 Install the new gas extinguishing controller and connect the cables. Step 6 Switch on the circuit breaker for the fire extinguishing controller. Step 7 Verify that the fire extinguishing controller is working properly and lock the door.

----End

Follow-up Procedure

Send the faulty fire extinguishing controller together with a Repair Notice to your local Huawei office for repair.

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About This Chapter

When a critical alarm or fault occurs during the O&M of the fire extinguishing system in the container data center, rectify the fault by referring to the emergency operation guide in this chapter.

8 Emergency Operation

8.1 Early Fire Alarm

Prerequisites

An early fire alarm is generated in the data center.

The emergency operations described in this section are for reference only. If an early fire alarm is generated, determine whether to extinguish the fire or leave the area

immediately based on actual situation and contact the personnel on duty or local fire station.

Procedure

Step 1 Locate the fire alarm area based on the alarm information. Step 2 Go to the area with necessary personal protective equipment (PPE) and communications

devices.

Do not enter the fire alarm area without determining the severity and impact of the fire.

Step 3 Observe the gas release indicator to check whether gas is released to extinguish the fire.

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If gas is released, contact Huawei technical support. If gas is not released, go to the next step.

Step 4 Check whether there are alarms on the gas fire extinguishing controllers outside the container.



N => Go to Step 5.



Y => If a smoke alarm is generated, go to 8.2 Single Fire Alarm.



Y => If a temperature alarm is generated, go to 8.3 Composite Fire Alarm.



Y => If a complex alarm is generated, go to 8.3 Composite Fire Alarm.

Step 5 Open the door of the container and check whether a fire has broken out.

Open the container door a crack and check whether a fire has broken out in the container. If a fire has broken out, close the door immediately and press the emergency start switch to put out the fire. If there is no fire, go to Step 6.

Step 6 Determine the alarm severity based on the documents delivered with the VESDA. Step 7 Check whether there is obvious smoke or combustible in the container.

N => Go to Step 8. Y => Go to Step 9.

Step 8 Check for faults of the power supply system and cooling system.

If no fault is found in the container data center components, rectify the fault by following the instructions in 6.7 VESDA Fault.

Step 9 Use a carbon dioxide fire extinguisher to spray the combustibles.

Step 10 Rapidly power off the devices in the smoke area or near the combustibles and switch off the

circuit breakers.

Step 11 After the fire alarm is cleared, report the event to the management department of the data

center and contact Huawei technical support.

----End

Follow-up Procedure

Analyze the cause of the fault, and work out and record the preventive measures.

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8.2 Single Fire Alarm

Prerequisites

A single fire alarm is generated in the data center.

The emergency operations described in this section are for reference only. If a fire alarm is generated, determine whether to extinguish the fire or leave the area

immediately based on actual situation and contact the personnel on duty or local fire station.

Procedure

Step 1 Locate the fire alarm area based on the alarm information. Step 2 Go to the area with necessary personal protective equipment (PPE) and communications

devices.

Do not enter the fire alarm area without determining the severity and impact of the fire.

Step 3 Observe the gas release indicator to check whether gas is released to extinguish the fire.

If gas is released, contact Huawei technical support. If gas is not released, go to the next step.

Step 4 Check whether there are alarms on the gas fire extinguishing controllers outside the container.



If the gas fire extinguishing controllers reports a single fire alarm but the VESDA does not generate any alarm, go to Step 5.



If the gas fire extinguishing controllers reports a single fire alarm (smoke alarm) and the VESDA reports an alarm, go to Step 5.



If the gas fire extinguishing controllers reports a single fire alarm (temperature alarm) and the VESDA reports an alarm, go to 8.3 Composite Fire Alarm.



If the gas fire extinguishing controllers reports a composite fire alarm, go to 8.3

Composite Fire Alarm.

Step 5 Open the door of the container and check whether a fire has broken out.

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Open the container door a crack and check whether a fire has broken out in the container. If a fire has broken out, close the door immediately and press the emergency start switch to put out the fire. If there is no fire, go to Step 6.

Step 6 Check whether the VESDA reports alarms and whether there is obvious smoke or

combustible in the container. N => Rectify the fault by following the instructions in 6.1 Smoke Detector Fault. Y => Go to Step 7.

Step 7 Use a carbon dioxide fire extinguisher to spray the combustibles. Step 8 Rapidly power off the devices in the smoke area or near the combustibles and switch off the

circuit breakers.

Step 9 After the fire alarm is cleared, report the event to the management department of the data

center and contact Huawei technical support.

----End

Follow-up Procedure

Analyze the cause of the fault, and work out and record the preventive measures.

8.3 Composite Fire Alarm

Prerequisites

A composite fire alarm is generated in the data center.

The emergency operations described in this section are for reference only. If a composite fire alarm is generated, determine whether to extinguish the fire or leave the

area immediately based on actual situation and contact the personnel on duty or local fire station.

Procedure

Step 1 Locate the fire alarm area based on the alarm information. Step 2 Go to the area with necessary personal protective equipment (PPE) and communications

devices.

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Do not enter the fire alarm area without determining the severity and impact of the fire.

Step 3 Observe the gas release indicator to check whether gas is released to extinguish the fire.

If gas is released, contact Huawei technical support. If gas is not released, go to the next step.

Step 4 Check whether there are alarms on the gas fire extinguishing controllers outside the container.



If the gas fire extinguishing controllers reports a single fire alarm but the VESDA does not generate any alarm, go to Step 5.



If the gas fire extinguishing controllers reports a single fire alarm (smoke alarm) and the VESDA reports an alarm, go to Step 5.



If the gas fire extinguishing controllers reports a single fire alarm (temperature alarm) and the VESDA reports an alarm, go to Step 5.



If the gas fire extinguishing controllers reports a composite fire alarm, go to Step 5.

Step 5 Open the door of the container and check whether a fire has broken out.

Open the container door a crack and check whether a fire has broken out in the container. If a fire has broken out, close the door immediately and press the emergency start switch to put out the fire. If there is no fire, go to Step 6.

Step 6 Check whether the VESDA reports alarms and whether there is obvious smoke or

combustible in the container. N => Rectify the fault by referring to 6.8 Gas Extinguishing Controller Fault. Y => Go to Step 7.

Step 7 Use a carbon dioxide fire extinguisher to spray the combustibles. Step 8 Rapidly power off the devices in the smoke area or near the combustibles and switch off the

circuit breakers.

Step 9 After the fire alarm is cleared, report the event to the management department of the data

center and contact Huawei technical support.

----End

Follow-up Procedure

Analyze the cause of the fault, and work out and record the preventive measures.

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A Acronyms and Abbreviations

D

DC

direct current

E

EMC

electromagnetic compatibility

I

IDS

intelligent data center solution

Huawei IDS1000 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

About This Document

Contents

1 Configuration Description

1.1 System Introduction

1.2 Components

1.3 Configuration Principles

2 Operation Description

2.1 Precautions

2.2 Emergency Operation Overview

2.3 Preparations

2.3.1 Obtaining Tools

2.3.2 Obtaining Technical Documents

2.3.3 Personnel Skill Requirements

3 Power-On Commissioning

3.1 Initial Configuration

3.2 Checking Before Power-On

3.3 Hardware Power-On Commissioning

3.4 Fire Extinguishing System Commissioning

4 Routine Maintenance

4.1 Routine Maintenance Overview

4.2 Daily Maintenance

4.3 Weekly Maintenance

4.4 Monthly Maintenance

4.5 Quarterly Maintenance

4.6 Semi-Yearly Maintenance

4.7 Yearly Maintenance

5 Alarm Reference

6 Troubleshooting

6.1 Smoke Detector Fault

6.2 Heat Detector Fault

6.3 Gas Release Indicator Fault

6.4 Audible and Visual Alarm Fault

6.5 Fire Alarm Bell Fault

6.6 Failed to Drive the Fire Cylinder

6.7 VESDA Fault

6.8 Gas Extinguishing Controller Fault

7 Parts Replacement

7.1 Replacing a Smoke Detector

7.2 Replacing a Heat Detector

7.3 Replacing a Gas Release Indicator

7.4 Replacing an Audible and Visual Alarm

7.5 Replacing a Fire Alarm Bell

7.6 Replacing a Fire Cylinder

7.7 Replacing a Gas Extinguisher

7.8 Replacing the Emergency Start/Abort Switch

7.9 Replacing a VESDA

7.10 Replacing a Gas Extinguishing Controller

8 Emergency Operation

8.1 Early Fire Alarm

8.2 Single Fire Alarm

8.3 Composite Fire Alarm

A Acronyms and Abbreviations