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Huawei FusionModule1000A20 Maintenance Manual

Prefabricated all-in-one data center
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FusionModule1000A20 Prefabricated All-in-One
Data Center
V200R003C10R003C00
Maintenance Guide
Issue
03
Date
2022-12-15
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei FusionModule1000A20

  • Page 1 FusionModule1000A20 Prefabricated All-in-One Data Center V200R003C10R003C00 Maintenance Guide Issue Date 2022-12-15 HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei Digital Power Technologies Co., Ltd. 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"...

  • Page 3: About This Document

    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. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 4 Added troubleshooting instructions for purchased power distribution frames and air conditioners. ● Added the emergency operation instructions for the emergency door release button. Issue 01 (2019-07-15) This issue is the first official release. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 5: Table Of Contents

    4.4.2 Surveillance system................................44 4.4.3 Fire Extinguishing System (CE)............................. 48 4.4.4 Other Systems..................................48 4.5 Semi-annual Maintenance..............................49 4.5.1 Power Supply and Distribution System........................49 4.5.2 Cooling System................................... 49 4.5.3 Surveillance System................................51 Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 6 6.3.8 (Optional) Replacing a WiFi Converter........................99 6.3.9 (Optional) Replacing a Pad............................100 6.4 Replacing Fire Extinguishing System Components (CE)..................100 6.4.1 Replacing a Smoke Detector (CE)..........................100 6.4.2 Replacing a Heat Detector (CE)..........................102 Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 7 6.4.11 Replacing an Emergency Light (CE)........................118 6.4.12 Replacing Batteries for the ASD Power Box......................119 7 Emergency Operations.......................122 7.1 Emergency Operations When Pre-fab. Module Door Cannot Open..............122 8 Acronyms and Abbreviations....................124 Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 8: Safety Information

    Equipment damage due to force majeure such as earthquakes, floods, volcanic eruptions, debris flows, lightning strikes, fires, wars, armed conflicts, typhoons, hurricanes, tornadoes, and extreme weather conditions ● Operation beyond the conditions specified in this document Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 9: Personal Safety

    D ANGER During operations, use dedicated insulated tools to prevent electric shocks or short circuits. The insulation and voltage resistance must comply with local laws, regulations, standards, and specifications. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 10 – Trained personnel: personnel who are trained in technology and safety, have required experience, are aware of possible hazards on themselves in Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 11: Electrical Safety

    WARNING For the equipment that needs to be grounded, install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 12 Installation personnel mark tightened bolts in blue. Quality inspection personnel confirm that the bolts are tightened and then mark them in red. (The marks should cross the edges of the bolts.) Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 13 If high touch current may occur on the equipment, ground the protective ground terminal on the equipment enclosure before connecting the power supply; otherwise, electric shock as a result of touch current may occur. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 14 (LSI) circuits. ● When touching the equipment and handling boards, modules with exposed circuit boards, or application-specific integrated circuits (ASICs), observe ESD Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 15: Environmental Requirements

    Do not place the equipment near heat sources or fire sources, such as smoke, candles, heaters, or other heating devices. Overheat may damage the equipment or cause a fire. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 16 Before opening doors during the installation, operation, and maintenance of the equipment, clean up any water, ice, snow, or other foreign objects on the top of the equipment to prevent foreign objects from falling into the equipment. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 17: Mechanical Safety

    Before installing equipment in a cabinet, ensure that the cabinet is securely fastened with a balanced center of gravity. Otherwise, tipping or falling cabinets may cause bodily injury and equipment damage. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 18 ● Move or lift the equipment by holding its handles or lower edges. Do not hold the handles of modules that are installed in the equipment. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 19 Set a restricted area and prominent signs for working at heights to warn away irrelevant personnel. ● Set guard rails and warning signs at the edges and openings of the area involving working at heights to prevent falls. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 20 If a single ladder is used, the recommended angle for the ladder against the floor is 75 degrees, as shown in the following figure. A square can be used to measure the angle. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 21 Do not drag steel ropes and hoisting tools or bump hoisted objects against hard objects during hoisting. ● Ensure that the angle between two hoisting ropes is no more than 90 degrees, as shown in the following figure. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 22: Equipment Safety

    Otherwise, the gas may leak and cause a fire. ● High-temperature pipes after welding must be promptly cooled. 1.5 Equipment Safety Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 23: Cooling System Safety

    Do not expose batteries at high temperatures or around heat sources, such as high-temperature sunlight, fire sources, transformers, and heaters. Battery overheating may cause leakage, smoke, flammable gas release, thermal runaway, fire, or explosion. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 24 Ensure that no liquid enters the equipment to prevent faults or short circuits. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 25 WARNING If the electrolyte leaks, absorb and neutralize the electrolyte immediately. Exercise caution when moving or handling a battery with electrolyte leakage, because the leaking electrolyte is hazardous. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 26 ● Batteries are damaged due to your or a third party's reasons, for example, relocating or reinstalling the batteries without complying with the Company's requirements. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 27 When installing batteries, do not place installation tools, metal parts, or sundries on the batteries. After the installation is complete, clean up the objects on the batteries and the surrounding area. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 28 Intake: Seek immediate medical attention. Special requirements for lead-acid batteries: NO TICE When the battery temperature exceeds 60°C, check whether the electrolyte leaks. If the electrolyte leaks, take proper measures promptly. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 29 If batteries are out of service life, contact a battery recycling company for disposal. ● Do not expose waste batteries to high temperatures or direct sunlight. ● Do not place waste batteries in environments with high humidity or corrosive substances. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 30: Operation And Maintenance Precautions

    Do not place tools on bare batteries terminals. ● Do not short-circuit the terminals of batteries; otherwise, a fire may occur. ● Do not maintain batteries online. Replace a battery if it is faulty. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 31 Inform the related departments of the system recovery after the maintenance is complete. ● Take antistatic measures before removing the front panel from a ASD; otherwise, the ASD may be damaged. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 32 2 Operation and Maintenance Precautions ● During fire extinguishing system commissioning, disconnect the solenoid valve, and insert the fire extinguisher cylinder safety pin to prevent agent release by mistake. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 33: Operation And Maintenance Preparations

    Operation and Maintenance Preparations 3.1 Tools Table 3-1 Tools Tools Phillips screwdriver Flat-head screwdriver Adjustable wrench Electrician's knife Needle-nose pliers Diagonal pliers Crimping tool Wire stripper RJ45 crimping tool Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 34 Multimeter Electroprobe thermohygrograph Network cable tester Heat gun Utility knife Step ladder (2 m) Cable tie Insulation tape ESD wrist strap ESD gloves Protective gloves Clamp meter Vacuum cleaner Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 35: Reference Documentation

    ● The ECC800/NetEco version depends on the version in use. Click on the ECC800/ NetEco WebUI to obtain the current version. ● For NetEco maintenance, see the NetEco documents. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 36: Pre-Fab. Module Entry Requirements

    ● If any faulty component is replaced, dispose of the removed faulty component. NO TICE Replace, maintain, and troubleshoot components of the FusionModule1000 only in the presence of qualified engineers. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 37: O&M Personnel Skill Requirements

    FusionModule1000 ng system With fire engineer qualifications Lighting Familiar with the overall configurations and layout of the FusionModule1000 structural Experienced in maintaining the FusionModule1000 system Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 38: Routine Maintenance

    NO TE Check the damage to the pre-fab. module paint and prepare appropriate tools and materials. The number of materials depends on site requirements. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 39 LOGO and pattern Seek help from Huawei headquarters for a detailed damage painting solution. Frontline personnel can turn to local advertisement coating suppliers. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 40 Figure 4-2 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, as shown in Figure 4-3. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 41 Figure 4-4 Manual paint spray Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 42: Routine Maintenance

    4 Routine Maintenance Figure 4-5 Repainting using a brush Figure 4-6 Repainting using a painting gun ----End Follow-up Procedure Check whether the surface meets the requirement after repainting. 4.2 Routine Maintenance Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 43 The coverage If camera of the camera angles do not is optimal. meet the monitoring requirement, adjust them by following instructions in commissionin g guide. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 44: Monthly Maintenance

    If the SPD indicator is red, indicator and indicator is replace the SPD. SPD circuit green. breaker status. The SPD Switch on the circuit breaker. circuit breaker is switched to Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 45: Surveillance System

    Off: No power supply is available. ALM indicator Steady on: A fault Clear the alarm alarm is raised. by referring to the ECC800 Off: No fault documents. alarm is raised. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 46 0.5s (blinking at 10 Hz, on for 0.05s and then off for 0.05s) and then turns off for 0.5s. The cycle lasts for 10s. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 47 0.5s). (Optional) PAD Appearance The exterior is Replace the PAD. intact and the touchscreen is working properly. Exit button Function The function is Replace the exit normal. button. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 48: Fire Extinguishing System (Ce)

    Emergenc Disconnect the The emergency Replace the emergency y light power plug of light turns on. light. the emergency light. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 49: Other Systems

    Check whether there There is no Clean the rubbish. is noticeable rubbish noticeable around the prefab. rubbish around modules. the prefab. modules. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 50: Quarterly Maintenance

    If the SPD indicator is red, indicator and indicator is replace the SPD. SPD circuit green. breaker status. The SPD Switch on the circuit breaker. circuit breaker is switched to Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 51: Surveillance System

    Check the input power cables if actuator 36–60 V DC the input voltage is abnormal. Steady on: The Check the input power cables. indicator power supply is normal. Off: No power supply is available. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 52 0.5s (blinking at 10 Hz, on for 0.05s and then off for 0.05s) and then turns off for 0.5s. The cycle lasts for 10s. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 53 WiFi Steady on: The Contact Huawei technical indicator power input is support. normal but there is no data communication. Blinking: There is no data communication Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 54 WPS is in matching mode. If the matching fails, the WPS indicator turns off after blinking for 2 minutes. If the matching is successful, the WPS indicator turns off. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 55: Fire Extinguishing System (Ce)

    1. Clean the pre-fab. module using a module body module. module is clean. long-handled soft brush and alkaline or neutral detergent. 2. Wash the pre-fab. module with clean water. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 56: Semi-Annual Maintenance

    Check whether the Use a brush or cotton cloth to clean up llig air conditioner is dust and dirt on the air conditioner. clean and free from dust and dirt. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 57 Condense Check whether the Use a washing tool to clean the condenser is dirty condenser until the drainage becomes or blocked. clear. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 58: Surveillance System

    Output voltage: Contact Huawei technical output 45–55 V DC support. Steady on: The Check the input power cables. indicator power supply is normal. Off: No power supply is available. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 59 ECC800 Data Center Steady on: A fault Controller V100R001C30 User indicator alarm is raised. Manual to handle alarms, or Off: No fault contact Huawei technical port. alarm is raised. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 60: Fire Extinguishing System (Ce)

    Press bell. Silence/Sound Alarm to start or abort the fire alarm bell. Reset the key to Enable Control by flipping it leftward. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 61 Replace the smoke detector onto the smoke steady on and the detector. detector using a extinguishant smoke pistol. control panel raises a corresponding alarm and triggers the fire alarm bell. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 62 The ASD panel See documents delivered sampling pipe. displays an alarm. with the ASD. Check the ASD All indicators are See documents delivered operation panel. normal. with the ASD. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 63: Other Systems

    Repaint corroded cable trays, or screws, and nuts replace damaged and seriously are free from corroded parts. For details, see the rust or corrosion. installation guide for the corresponding solution. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 64 (the cables works only a very short time under overload situations). ● The bend radius of cables meets requirements. ● The cable armor is intact. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 65: Common Faults And Troubleshooting Measures

    This chapter describes how to troubleshoot purchased components, including the power distribution frame (PDF), fresh air integrated unit, and intelligent heat exchanger. For details about how to troubleshoot Huawei-developed components, see the corresponding user manuals. 5.1 Troubleshooting the PDF (ATS Input)
  • Page 66 ATS switch to the normal input by operating the handle. 4. Ask the customer to disconnect the power supply for repair. After power-off, reconnect the cables. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 67 Change the thresholds to the required values if necessary. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 68 2. If the power supplies are normal, check whether the ATS input screws are properly installed. 3. If the alarm persists, the ATS controller is faulty. Replace the 8D controller by following to 5. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 69 Imbalance input is supplies recover. imbalanced. 2. If the power supplies are normal, the ATS controller is faulty. Replace the 8D controller by following to 5. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 70 OFF, and turn off the upstream and downstream switches. 2) Remove the protective panel from the PDF. 3) Remove the ATS controller by following to 5. 4) Remove all Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 71 3. If all the preceding items are normal, power on the equipment again and check whether the alarm is cleared. 4. If the alarm persists, the ATS controller is faulty. Replace the 8D controller by following to 5. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 72 If so, disconnect the power supply and tighten the cable. 3. If no exception is found, verify that the cable connection between the PDF and the ECC. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 73: Troubleshooting The Fresh Air Integrated Unit

    4) Remove the screws from the mainboard, take out the mainboard, and replace it with a new one. 5) Install the new mainboard in a reverse order of steps 4 to 1. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 74 VFD 1 reverse order of steps 6 to 1. (After the installation, Overtem vacuumize the pipeline, preserve the pressure to perature verify the air tightness, and then fill refrigerant.) Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 75 ● The indoor air supply or return vent is blocked by condenser foreign matter: Measure: Remove the blockage. evaporator is blocked by dirt or circulation airway is blocked by foreign matter. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 76: Troubleshooting The Intelligent Heat Exchanger

    1. Check whether the cables are securely connected. intelligent 2. Replace the equipment with a new one. heat exchanger fails to start because the mainboard is faulty. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 77 AC power 4. Check whether the corresponding circuit breaker supply is in the upstream PDF has tripped. If not, check abnormal. whether the PDF works properly. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 78 Then, charge nitrogen into the pipeline, preserve the pressure to verify the air tightness, vacuumize the pipeline, and then fill refrigerant. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 79: Parts Replacement

    Monitoring module TP48200B-L20B2 & TP48400B-N20B3 & AC surge protection TP48400B-L20B1 module V500R002C00 Indoor Power Supply User Circuit breaker Manual User interface module (UIM) Solar supply unit (SSU) DC-DC converter Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 80: Replacing An Input Pdf Component

    Certain services of the FusionModule1000 are interrupted. Preparations Tools: Phillips screwdriver, flat-head screwdriver, key to the PDF door, step ladder Materials: spare ATS controller Documents: documents delivered with the PDF Skill requirement: power distribution engineers Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 81: Replacing An Input Switch (02402732-009)

    6.1.2.2 Replacing an Input Switch (02402732-009) Prerequisites A spare input switch for of the same model is available and functional. Impact on the System Certain services of the FusionModule1000 are interrupted. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 82 Step 10 Check that the new input switch is working properly. Step 11 Turn on downstream switches of the PDF. ----End Follow-up Procedure Dispose of the removed input switch that is confirmed faulty. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 83: Replacing An Ats Controller (02404923)

    Step 3 Remove the cables at the ATS controller top and label them. Step 4 Remove the screws that secure the copper bars above and below the ATS controller, and remove the copper bars. Figure 6-3 Removing copper bars Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 84: Replacing An Mcb

    A spare MCB of the same model is available and functional. NO TE The PDC switch must be turned off. Ensure that the power input is disconnected during replacement. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 85 Step 6 Install the new MCB by referring to the preceding method, connect cables, and tighten screws. Step 7 Reinstall the removed components, and close the corresponding cabinet door. ----End Follow-up Procedure Dispose of the removed MCB that is confirmed faulty. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 86: Replacing An Spd

    Step 3 Detect the L1, L2, L3, and N voltages to the PE using an electrical tester pen, and verify that the faulty SPD has no voltage before replacing the faulty SPD. Figure shows how to detect the voltages. Figure 6-5 Detecting the voltages Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 87: Replacing An Indicator

    Spare indicators of the same model are available and functional. Impact on the System None Preparations Tools: Phillips screwdriver, multimeter Materials: spare indicator Documents: none Skill requirement: electrician's work permit Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 88: Replacing A Battery For The Dc Power System

    A spare battery of the same model is available and functional. Impact on the System None Preparations Tools: pallet truck, wrench, protective gloves Materials: insulation tape, spare battery, copper bar or cable Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 89: Replacing A Light

    6.1.4 Replacing a Light Prerequisites 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 Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 90: Replacing Cooling System Components

    Figure 6-8 Replacing the Air Filter (1) Air filter support (2) Up and down outer covers (3) Exhaust air filter (4) Fresh air filter Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 91: Replacing The Internal Cycle Fan

    Step 2 Dismantle the mounting holder of external cycle fan. Step 3 Remove the fixing screws of the fan and take out of the fan. Figure 6-10 Replacing the external cycle fan (5) External cycle fan Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 92: Replacing An Intelligent Heat Exchanger

    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 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 93: Replacing Monitoring System Components

    Prerequisites NO TICE ● The ECC800-Pro main control module is hot-swappable. ● Before disconnecting cables from the ECC800-Pro main control module, label the cables based on the corresponding ports. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 94 Step 5 (Optional) Remove the SIM card from the corresponding slots of the ECC800-Pro main control module. Step 6 (Optional) Install the removed SIM card in the corresponding slot of the new ECC800-Pro main control module. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 95: Replacing An Ecc800-Pro 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 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 96: Replacing A Smart Eth Gateway

    Step 4 Install the spare smart ETH gateway in the original position and connect the cables. ----End 6.3.4 Replacing an ETH Converter Prerequisites A spare ETH converter of the same model is available and functional. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 97: 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 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 98: 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 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 99 Step 6 Reconnect the interconnection terminals, and close the door of the IC card reader box. Step 7 Check that the new IC card reader is working properly. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 100: Replacing An Exit Button

    Material: spare 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 6-18. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 101: Replacing A Magnetic Lock

    A spare magnetic lock of the same model is available and functional. Impact on the System None Preparations Tools: Phillips screwdriver, 3 mm hex key, step ladder (2 m) Material: spare magnetic lock Documents: none Skill requirement: ELV engineer Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 102 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 6-19. Step 4 Replace the magnetic lock, and connect cables, as shown in Figure 6-20. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 103: Replacing An Emergency Door Release Button

    Remove the glass panel of the emergency door release button, as shown by (2) and (3) in Figure 6-21. Remove screws securing the base, as shown by (4) in Figure 6-21. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 104: Replacing An Access Actuator

    If the door can be opened, the emergency door release button is working properly. ----End 6.3.6.5 Replacing an Access Actuator Prerequisites A spare access actuator of the same model is available and functional. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 105: Replacing A Remote T/H Sensor

    Skill requirement: ELV engineer NO TE For the tables, see the initial configuration parameter manual for the solution in use. Procedure Step 1 Remove the network cable from the remote T/H sensor. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 106: Optional) Replacing A Wifi Converter

    Step 2 Remove the cables and antenna from the WiFi converter. Step 3 Remove the old WiFi converter from the guide rails. Step 4 Install the spare WiFi converter in the original position and connect the cables and antenna. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 107: Optional) Replacing A Pad

    6.4.1 Replacing a Smoke Detector (CE) Prerequisites A spare smoke detector of the same model is available and functional. Impact on the System The fire extinguishing system stops working during the replacement. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 108 Step 5 Install the new base to the same position, and reconnect the cables. Step 6 Insert the new smoke detector into the base, and rotate it clockwise until it locks Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 109: Replacing A Heat Detector (Ce)

    Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant control panel. Step 2 Hold the heat detector, and rotate it counterclockwise to remove it from the base. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 110: Replacing Warning Signs (Ce)

    The fire extinguishing system stops working during the replacement. Preparations Tools: Phillips screwdriver, protective gloves, step ladder Materials: spare warning sign indicator Document: fire extinguishing device layout diagram (CE) Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 111 Press the reset button on the pneumatic switch. 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 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 112: Replacing An Internal Horn Strobe (Ce)

    Step 2 Remove screws from the horn strobe cover using a Phillips screwdriver, and remove the cover. Figure 6-27 Removing the horn strobe cover Step 3 Remove cables from the horn strobe. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 113 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 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 114: Replacing An External Horn Strobe (Ce)

    Step 2 Remove screws from the horn strobe using a Phillips screwdriver, and remove the cover. Figure 6-29 Removing the cover Step 3 Remove the cables to the horn strobe. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 115 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 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 116: 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 6-31 Removing a fire alarm bell Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 117: Replacing The Extinguishant Abort Button (Ce)

    ● Before replacing the extinguishant abort button, inform the related administrative departments of the temporary downtime of the fire extinguishing system. After the replacement, inform the administration department that the system has become operational. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 118 As a resistor is installed on the loop of the extinguishant abort button, remove the resistor, and connect the resistor to the corresponding terminals of the new extinguishant abort button when you replace the extinguishant abort button. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 119 Step 8 Switch on the input circuit breaker of the extinguishant control panel, and connect the battery cables. Step 9 Check whether the new extinguishant abort button is working properly. Disconnect the wiring terminals from the electrical actuator on the fire extinguisher cylinder. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 120: Replacing Batteries For The Extinguishant Control Panel (Ce)

    Step 3 Install the spare batteries to the proper position of the extinguishant control panel. Step 4 Connect battery cables to the extinguishant control panel in the same way. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 121: Replacing A Fire Extinguisher Cylinder (Ce)

    2ND STAGE NO terminal on the extinguishant control panel to enable the linkage control function, and inform the administrative departments that the system has become operational. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 122 NO TICE Wrap the threads with sealing tape to ensure air tightness. Connect the threaded adapter to the fire extinguisher cylinder. Connect the I-shaped connection pipe to the threaded adapter. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 123: Replacing The Extinguishant Control Panel (Ce)

    A spare extinguishant control panel 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, protective gloves Materials: spare extinguishant control panel Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 124 Step 6 Install the new extinguishant control panel in the same position. Step 7 Put the corrugated pipes and cables back to the box, and reconnect the cables according to labels. Step 8 Put the batteries to the same position. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 125: Replacing An Emergency Light (Ce)

    Step 1 Turn off the upstream switch of the emergency light power cable. Figure 6-40 Emergency light Step 2 Remove the protective cover of the emergency light. Step 3 Loosen the emergency panel using a flat-head screwdriver, and remove the panel. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 126: Replacing Batteries For The Asd Power Box

    Documents: fire extinguishing device layout diagram (standard) Skill requirement: fire engineer Procedure Step 1 Move the ASD power box batteries to the installation position indicated on the fire extinguishing device layout diagram. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 127 Step 5 Replace the batteries, and connect battery cables. NO TICE Distinguish the positive and negative battery terminals when connecting battery cables. Figure 6-43 Connecting battery cables Step 6 Reinstall the battery protective panel. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 128 Step 7 Check whether the new ASD batteries are working properly. NO TE Turn on the standby power switch. If the power fault indicator is off, the batteries are working properly. ----End Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 129: Emergency Operations

    Step 1 Flip the terminal of the emergency door release button to open the door. Figure 7-1 Flipping the terminal of the emergency door release button Step 2 Enter the pre-fab. module and check the devices. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 130 Step 4 (Optional) Reinstall the terminal of the emergency door release button after the fault is rectified. ----End Follow-up Procedure Analyze the cause of the fault, and work out and record the preventive measures. Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 131: Acronyms And Abbreviations

    Data Center Maintenance Guide 8 Acronyms and Abbreviations Acronyms and Abbreviations alternating current automatic transfer switch control area network Conformite Europende digital distribution frame energy control center liquid crystal display Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 132 Ethernet power distribution frame power distribution unit rPDU rack power distribution unit subscriber identity module uninterruptible power system video cloud node very early smoke detection apparatus Issue 03 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

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