Huawei FusionModule 1000A20 Maintenance Manual

Prefabricated all-in-one data center
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FusionModule1000A20 Prefabricated All-in-One
Data Center
V200R003C10
Maintenance Guide
Issue
01
Date
2019-07-15
HUAWEI TECHNOLOGIES CO., LTD.

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Table of Contents
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Summary of Contents for Huawei FusionModule 1000A20

  • Page 1 FusionModule1000A20 Prefabricated All-in-One Data Center V200R003C10 Maintenance Guide Issue Date 2019-07-15 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 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 b e 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"...
  • Page 3: About This Document

    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. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 Change History Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues. Issue 01 (2019-07-15) This issue is the first official release. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 5: Table Of Contents

    4.1 Replacing Components for the Power Supply and Distribution System................. 28 4.1.1 Replacing AC-DC Power System Components ......................28 4.1.2 Replacing an Input PDF Component ..........................29 4.1.2.1 Replacing an ATS Controller (02404913) ........................29 Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 4.4.9 Replacing a Fire Cylinder (CE) ............................70 4.4.10 Replacing the Extinguishant Control Panel (CE) ......................73 4.4.11 Replacing an Emergency Light (CE)..........................74 4.4.12 Replacing Batteries for the VESDA Power Box ......................76 Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 FusionModule1000A20 Prefabricated All-in-One Data Center Maintenance Guide Contents 5 Acronyms and Abbreviations..................... 78 Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 8: Operation And Maintenance Precautions

     Do not open batteries as electrolyte leakage may cause personal injuries. If you contact the electrolyte accidentally, immediately clean your skin with water and seek medical advice from a doctor. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 Take antistatic measures before removing the front panel from a VESDA; otherwise, the VESDA may be damaged.  During fire extinguishing system commissioning, disconnect the solenoid valve, and insert the fire cylinder safety pin to prevent agent release by mistake. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 10: Operation And Maintenance Preparations

    Table 2-1 Tools Tools Phillips screwdriver Flat-head screwdriver Adjustable wrench Electrician's knife Needle-nose pliers Diagonal pliers Crimping tool Wire stripper RJ45 crimping tool Cable cutter Hex key Socket wrench Hand-held Multimeter Electroprobe Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 11: Reference Documentation

    Cable tie Insulation tape ESD wrist strap ESD gloves Protective gloves Clamp meter Vacuum cleaner The listed tools are for routine maintenance only. Prepare other tools as required. 2.2 Reference Documentation Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 12: Pre-Fab. Module Entry Requirements

    The detailed operations are performed based on the requirements specified by the manager of the FusionModule1000.  Entry Obtain ESD clothes and shoes. preparations  Remove dust from tools and materials that need to be taken into the Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 13: O&M Personnel Skill Requirements

    With knowledge in the hardware and software of the prefabricated data system center, familiar with basic communications protocols, familiar with equipment interfaces in extra low voltage (ELV) systems, and proficient in operating the NetEco management system Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 FusionModule1000 g system With fire engineer qualifications Lighting and Familiar with the overall configurations and layout of the structural FusionModule1000 system Experienced in maintaining the FusionModule1000 Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 15: Routine Maintenance

    1. For the color of Slight scratch (steel Spray paint or paint, Steps 1, 2, and 4 the finish coat base material not brush (required for (polyurethane exposed) repainting a small Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 60 minutes before performing any further operation. LOGO and pattern Seek help from Huawei headquarters for a detailed painting damage solution. Frontline personnel can turn to local advertisement coating suppliers. 1. If a dent is less than 100 mm...
  • Page 17 Then wipe off the alcohol with a clean and dry cotton cloth. Figure 3-2 Wiping a polished or damaged area using anhydrous alcohol Step 3 Paint one layer of zinc-rich primer on the damaged coat using a brush or painting gun,. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 In the case that a pre-fab. module pattern has different colors, to prevent undamaged areas and those with different colors as the damaged area from being polluted during repainting, cover such areas using white paper and adhesive tape before repairing paint. Figure 3-4 Manual paint spray Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 Center Maintenance Guide 3 Routine Maintenance Figure 3-5 Repainting using a brush Figure 3-6 Repainting using a painting gun ----End Follow-up Procedure Check whether the surface meets the requirement after repainting. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 20: Routine Maintenance

    VESDA supply are supply is and its power normal. abnormal, supply. troubleshoot by following instructions in documents delivered with the VESDA. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 21: Monthly Maintenance

    ECC800 is successful or is normal. If not, replace the software runs the cable. properly (the indicator blinks at 0.5 Hz, on for 1s Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 0.5s and then off for 0.5s). (Optional) Pad Appearance The exterior is intact and Replace the pad. the touchscreen is working properly. Exit button Function The function is normal. Replace the exit button. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 23: Fire Extinguishing System (Ce)

    Check the smoke The indicator blinks Replace the smoke detector. detector detector indicator. once every 6s. Heat Check the heat The indicator blinks Replace the heat detector. detector detector indicator. once every 6s. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 24: Other Systems

    3.4.1 Power Supply and Distribution System Table 3-7 Monthly maintenance checklist for the power supply and distribution system Maintenance Instructions Criteria Troubleshooting Item Check the luminance of The three-phase Replace the indicator that generates no or Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 25: Surveillance System

    Off: No fault alarm is raised. RUN indicator Off: The power supply is Check the power supply. abnormal. Check the power supply. If the RUN Blinking slowly: The indicator blinks fast, check whether the Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 0.5s). (Optional) Power input Input voltage: 36–60 V Check the input power cables if the input WiFi converter voltage is abnormal. WiFi indicator Steady on: The power Contact Huawei technical support. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 27: Fire Extinguishing System (Ce)

    1. Switch off the power 1. The extinguishant control Extinguishant Replace the extinguishant input circuit breaker panel reports a power supply control panel control panel batteries. of the fire alarm fault. batteries Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 28: Other Systems

    Repaint areas repainting damage or corrosion. are free from paint with paint flake-off or rust. flake-off, rust, or corrosion. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 29: Semi-Annual Maintenance

    Check whether the Use a washing tool to clean the condenser until the condenser is dirty or drainage becomes clear. blocked. Evaporator Check whether the Use a dry cotton cloth to clean dirt. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 30: Surveillance System

    See ECC800 Data Center Controller Blinking slowly: The V100R001C30 User Manual to register the registration with the device, or contact Huawei technical support. ECC800 is successful or the software runs properly (the indicator blinks at 0.5 Hz, on for 1s and then off for 1s).
  • Page 31: Fire Extinguishing System (Ce)

    ALM indicator Steady on: A fault alarm See ECC800 Data Center Controller is raised. V100R001C30 User Manual to handle alarms, or contact Huawei technical port. Off: No fault alarm is raised. 3.5.4 Fire Extinguishing System (CE)  Semi-annual maintenance of the fire extinguishing system involves system commissioning.
  • Page 32 Remove or block a An alarm is generated. See documents delivered with the sampling pipe. VESDA. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 33: Other Systems

    Check cable Cables are Secure terminal connections, and replace connections. securely connected terminals that do not meet requirements. For without bare details, see the installation guide for the terminals. corresponding solution. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 (the cables works only a very short time under overload situations).  The bend radius of cables meets requirements.  The cable armor is intact. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 35: Parts Replacement

    V500R002C00 Indoor Circuit breaker Power Supply User Manual User interface module (UIM) Solar supply unit (SSU) DC-DC converter Battery temperature sensor TP48600B-N20B1 Rectifier TP48600B-N20B1 User Manual Monitoring module AC surge protection module Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 36: Replacing An Input Pdf Component

    Step 3 Remove the cables at the ATS controller top and label them, as shown by (1) in Figure 4-1. Step 4 Loosen the knob at the left of the ATS controller to remove the controller, as shown by (2) and (3) in Figure 4-1. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 37: Replacing An Input Switch (02402732-009)

    Certain services of the FusionModule1000 are interrupted. Preparations Tools: Phillips screwdriver, flat-head screwdriver, key to the PDF door, step ladder Materials: spare input switch Documents: documents delivered with the PDF Skill requirement: power distribution engineers Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 38: Replacing An Ats Controller (02404923)

    Follow-up Procedure Dispose of the removed input switch that is confirmed faulty. 4.1.2.3 Replacing an ATS Controller (02404923) Prerequisites A spare ATS controller of the same model is available and functional. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Step 5 Remove the screws from the inner layer of the copper bar below the ATS controller. Step 6 Remove the four screws that secure the ATS controller to the base and take out the input switch. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 40: Replacing An Mcb

    The PDC switch must be turned off. Ensure that the power input is disconnected during replacement. Impact on the System None Preparations Tools: electroprobe, insulation gloves, flat-head screwdriver, Phillips screwdriver, multimeter Materials: spare MCB Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 41: Replacing An Spd

    Prerequisites Do not replace an SPD during a thunderstorm.  An SPD is faulty.  A spare SPD of the same model is available and functional. Impact on the System None Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 SPD has no voltage before replacing the faulty SPD. Figure 4-5 shows how to detect the voltages. Figure 4-5 Detecting the voltages Step 4 Hold down the faulty SPD module and pull it out. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 43: Replacing An Indicator

    Impact on the System None Preparations Tools: Phillips screwdriver, multimeter Materials: spare indicator Documents: none Skill requirement: electrician's work permit Procedure Step 1 Switch off the protective miniature circuit breaker (MCB) or fuse. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 44: Replacing A Battery For The Dc Power System

    Tools: pallet truck, wrench, protective gloves Materials: insulation tape, spare battery, copper bar or cable Documents: documents delivered with the DC power system battery, power supply and distribution system diagram, power supply and distribution device layout Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 45: Replacing A Light

    Spare LED lights of the same model are available and functional. Impact on the System None Preparations Tools: multimeter Material: spare light Skill requirement: electrician's work permit Procedure Step 1 Locate a failed light. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 46: Replacing Cooling System Components

    4.2.1.2 Replacing the Internal Cycle Fan Step 1 Remove the front maintenance plate and the connecting terminal of internal cycle fan. Step 2 Remove the mounting holder of internal cycle fan. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 47: Replacing The External Cycle Fan

    Step 3 Remove the fixing screws of the fan and take out of the fan. Figure 4-10 Replacing the external cycle fan (5) External cycle fan Step 4 Follow the reverse steps to install the new fan. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 48: Replacing An Intelligent Heat Exchanger

    Before maintaining the intelligent heat exchanger, seal the outdoor part to prevent dust and rain from entering the pre-fab.module. Step 2 Remove the cables connected to the intelligent heat exchanger. Step 3 Remove the screws that secure the intelligent heat exchanger to the pre-fab. module. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 49: Replacing Monitoring System Components

    Step 5 Tighten the screws and connect the cables. ----End Follow-up Procedure Dispose of the removed intelligent heat exchanger that is confirmed faulty. 4.3 Replacing Monitoring System Components 4.3.1 Replacing an ECC800 Main Control Module Prerequisites Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Step 5 (Optional) Remove the Micro SD card and SIM card from the corresponding slots of the ECC800 main control module. Step 6 (Optional) Install the removed Micro SD and SIM card in the corresponding slot of the new ECC800 main control module. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 51: Replacing An Ecc800 Psu

    Step 2 Pull out the handle of the PSU to remove the PSU from the subrack. Step 3 Gently push the reserved PSU into the subrack along guide rails, and push the locking latch rightwards to secure the handle. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 52: Replacing A Smart Eth Gateway

    Step 4 Install the spare smart ETH gateway in the original position and connect the cables. ----End 4.3.4 Replacing an ETH Converter Prerequisites A spare ETH converter of the same model is available and functional. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 53: Replacing A Camera

    Step 1 Remove the base, as shown in the right figure. Align the mark on the base with that on the upper cover. Press the position marked with A to separate the base from the upper cover. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 54: Replacing Access Control Components

    A spare IC card reader of the same model is available and functional. Impact on the System None Preparations Tools: Phillips screwdriver, protective gloves Materials: access card, spare IC card reader Skill requirement: ELV engineer Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 The IC card reader is working properly if the pre-fab. module door can be opened from outside the pre-fab. module using an access card and door opening operations are logged in the monitoring system. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 56: Replacing An Exit Button

    Skill requirement: ELV engineer Procedure Step 1 Disassemble the faulty exit button, remove cables, and remove the faulty exit button, as shown in Figure 4-18. Figure 4-18 Removing an exit button Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 57: Replacing A Magnetic Lock

    Documents: none Skill requirement: ELV engineer Procedure Step 1 Use a Phillips screwdriver to loosen screws from the baffle plate of the magnetic lock, as shown by (1) in Figure 4-19. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 Step 3 Use a 3 mm hex key to loosen screws from the baffle plate of the magnetic lock, as shown by (2) and (3) in Figure 4-19. Step 4 Replace the magnetic lock, and connect cables, as shown in Figure 4-20. Figure 4-20 Connecting cables Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 59: Replacing An Emergency Door Release Button

    Figure 4-21. Remove screws securing the base, as shown by (4) in Figure 4-21. Disconnect cables and remove the emergency door release button. Figure 4-21 Removing an emergency door release button Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 60: Replacing An Access Actuator

    A spare access actuator of the same model is available and functional. Impact on the System None Preparations Tools: ESD wrist strap, ESD gloves, step ladder, label, marker Material: spare access actuator Documents: none Skill requirement: ELV engineer Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 61: Replacing A Remote T/H Sensor

    Step 2 Remove the faulty remote T/H sensor, install a new remote T/H sensor, and reconnect the network cable to the sensor. Step 3 Set the DIP switch for the remote T/H sensor by referring to the Initial Configuration Parameters for the Remote T/H Sensor Dip Switch. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 62: Optional) Replacing A Wifi Converter

    Step 6 Check that the app can be connected properly. ----End 4.3.9 (Optional) Replacing a Pad Prerequisites A spare pad of the same model is available and functional. Impact on the System None Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 63: Replacing Fire Extinguishing System Components (Ce)

    The fire extinguishing system stops working during the replacement. Preparations Tools: protective gloves, step ladder, Phillips screwdriver Materials: spare smoke detector Document: fire extinguishing device layout diagram (CE) Skill requirement: fire engineer Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Step 7 Switch on the input circuit breaker of the extinguishant control panel, and connect the cables to the battery. Step 8 Check whether the new smoke detector is working properly. If the red indicator blinks once every 6s, the smoke detector is working properly. ----End Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 65: Replacing A Heat Detector (Ce)

    Step 2 Hold the heat detector, and rotate it counterclockwise to remove it from the base. Figure 4-25 Removing a heat detector Step 3 Remove cables from the base using a Phillips screwdriver. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 66: Replacing Warning Signs (Ce)

    Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant control panel. Step 2 Loosen the screws securing the warning sign and its base using a Phillips screwdriver, and remove the cover of the warning sign. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 67: Replacing An Internal Horn Strobe (Ce)

    A spare horn strobe of the same model is available and functional. Impact on the System The fire extinguishing system stops working during the replacement. Preparations Tools: Phillips screwdriver, step ladder Materials: spare horn strobe Document: fire extinguishing device layout diagram (CE) Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 Step 2 Remove screws from the horn strobe cover using a Phillips screwdriver, and remove the cover. Figure 4-27 Removing the horn strobe cover Step 3 Remove cables from the horn strobe. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 Reset the manual gas release button. Flip the key to Enable Control counterclockwise (rightward). Reset the extinguishant control panel by pressing Reset on it. Then, reset key to Enable Control clockwise (leftward). ----End Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 70: Replacing An External Horn Strobe (Ce)

    Step 2 Remove screws from the horn strobe using a Phillips screwdriver, and remove the cover. Figure 4-29 Removing the cover Step 3 Remove the cables to the horn strobe. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 Reset the manual gas release button. Flip the key to Enable Control counterclockwise (rightward). Reset the extinguishant control panel by pressing Reset on it. Then, reset key to Enable Control clockwise (leftward). ----End Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 72: Replacing A Fire Alarm Bell (Ce)

    Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant control panel. Step 2 Remove screws securing the fire alarm bell using a hex key, and remove the cover. Figure 4-31 Removing a fire alarm bell Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 73: Replacing The Extinguishant Abort Button (Ce)

    The fire extinguishing system stops working during the replacement. Preparations Tools: Phillips screwdriver, protective gloves Materials: spare extinguishant abort button Document: fire extinguishing device layout diagram (CE) Skill requirement: fire engineer Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 Step 2 Remove the screws on the panel of the extinguishant abort button using a Phillips screwdriver. Figure 4-32 Removing the extinguishant abort button Step 3 Disconnect the cables from the extinguishant abort button, and remove the panel of the extinguishant abort button. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 Step 6 Connect the cables to the panel of the new extinguishant abort button. Connect cables to the correct terminals. Step 7 Install the new extinguishant abort button panel in the same way. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 76: Replacing Batteries For The Extinguishant Control Panel (Ce)

    Reset on it. Then, reset key to Enable Control clockwise (leftward). ----End 4.4.8 Replacing Batteries for the Extinguishant Control Panel (CE) Prerequisites Spare extinguishant control panel batteries of the same model are available and functional. Impact on the System None Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 77: Replacing A Fire Cylinder (Ce)

    Impact on the System The fire extinguishing system stops working during the replacement. Preparations Tools: pipe wrench, pallet truck, Phillips screwdriver, adjustable wrench, protective gloves Materials: spare fire cylinder, sealing tape Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Step 3 Disconnect the interconnection terminals on the electrical actuator from the extinguishant control panel. Remove the electrical actuator by rotating it counterclockwise. Step 4 Disconnect the fire cylinder and fire extinguishing pipeline. Remove the high-pressure hose. Remove the I-shaped connection pipe. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 Figure 4-38 Operating the electrical actuator ejector Align the electrical actuator and the container valve, and tighten the electrical actuator clockwise. Step 10 Connect the interconnection terminals on the electrical actuator to the extinguishant control panel. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 80: Replacing The Extinguishant Control Panel (Ce)

    While removing the cables, label the cables with their corresponding port numbers for later connection. Step 4 Remove the corrugated pipes and cables from the extinguishant box. Step 5 Remove the screws using a Phillips screwdriver, and take out the faulty extinguishant control panel. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 81: Replacing An Emergency Light (Ce)

    A spare emergency light of the same model is available and functional. Impact on the System None Preparations Tools: Phillips screwdriver, flat-head screwdriver, step ladder, protective gloves Materials: spare emergency light Documents: none Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 Step 8 Press the red button on the emergency light to check whether the new emergency light is working properly. If the new emergency light turns on, it is working properly. Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 83: Replacing Batteries For The Vesda Power Box

    Step 1 Move the VESDA power box batteries to the installation position indicated on the fire extinguishing device layout diagram. Step 2 Switch off the standby power supply for the VESDA. Figure 4-42 Switching off the standby power supply Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 Figure 4-44 Installing the battery protective panel Step 7 Check whether the new VESDA batteries are working properly. Turn on the standby power switch. If the power fault indicator is off, the batteries are working properly. ----End Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 Alternating Current automatic transfer switch control area network Conformite Europende digital distribution frame energy control center liquid crystal display monitor display module power over Ethernet power distribution frame power distribution unit Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 FusionModule1000A20 Prefabricated All-in-One Data Center Maintenance Guide 5 Acronyms and Abbreviations rPDU rack power distribution unit subscriber identity module uninterruptible power system video cloud node VESDA very early smoke detection apparatus Issue 01 (2019-07-15) Copyright © Huawei Technologies Co., Ltd.

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