Page 1 FusionDC1000A Prefabricated All-in-One Data Center V100R021C00 Maintenance Guide (IT Scenario) Issue Date 2021-04-20 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 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
Purpose This document describes the operation methods and precautions for the FusionDC1000A prefabricated all-in-one data center (FusionDC1000 for short) in terms of routine maintenance and parts replacement. It provides you a quick grasp of the operation and maintenance (O&M) methods of the FusionDC1000.
Page 4 Change History Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues. Issue 01 (2021-04-20) This issue is the first official release. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 5: Table Of Contents
3.4.5 Fire Extinguishing System (CE)............................. 33 3.4.6 Other Systems..................................34 3.5 Quarterly Maintenance............................... 35 3.5.1 Power Supply and Distribution System........................35 3.5.2 Monitoring System................................35 3.5.3 Fire Extinguishing System (Standard)........................38 3.5.4 Fire Extinguishing System (CE)............................. 39 Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 6 4.2.2.16 Replacing the Transformer............................. 102 4.3 Replacing Monitoring System Components......................103 4.3.1 Replacing an ECC800-Pro Main Control Module....................103 4.3.2 Replacing an ECC800-Pro PSU............................105 4.3.3 Replacing ECC800-Pro Antennas..........................106 4.3.4 Replacing a SIM Card..............................106 Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 7 4.5.10 Replacing the Fire Cylinder in the Lithium Battery Cabinet................161 4.5.11 Replacing an Extinguishant Control Panel (CE)....................164 4.5.12 Replacing an Emergency Light (CE)........................166 4.5.13 Replacing Batteries for the ASD Power Box......................167 Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 8 FusionDC1000A Prefabricated All-in-One Data Center Maintenance Guide (IT Scenario) Contents 5 Appendixes..........................169 5.1 Repairing Pre-fab. Modules.............................169 6 Acronyms and Abbreviations....................171 Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 9: Safety Information
The "NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this document do not cover all the safety instructions. They are only supplements to the safety instructions. Huawei will not be liable for any consequence caused by the violation of general safety requirements or design, production, and usage safety standards.
Page 10 ● Keep irrelevant people away from the equipment. Only operators are allowed to access the equipment. ● Use insulated tools or tools with insulated handles, as shown in the following figure. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 11 Do not change the structure or installation sequence of equipment without permission. ● Do not touch a running fan with your fingers, components, screws, tools, or boards before the fan is powered off or stops running. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 12: Personnel Requirements
Do not power on the equipment before it is installed or confirmed by professionals. 1.2 Personnel Requirements ● Personnel who plan to install or maintain Huawei equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations. ●...
Page 13 0°C. Handle cables with caution, especially at a low temperature. – Cables stored at subzero temperatures must be stored at room temperature for at least 24 hours before they are laid out. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 14: Installation Environment Requirements
Install the equipment in an area far away from liquids. Do not install it under areas prone to condensation, such as under water pipes and air exhaust vents, or areas prone to water leakage, such as air conditioner vents, ventilation Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 15 Any violations must be promptly pointed out by the site manager or safety supervisor and the involved personnel should be prompted for correction. Personnel who fail to stop violations will be forbidden from working. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 16: Mechanical Safety
Ensure that the wider end of the ladder is at the bottom, or protective measures have been taken at the bottom to prevent the ladder from sliding. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 17 D ANGER When removing a heavy or unstable component from a cabinet, be aware of unstable or heavy objects on the cabinet. ● Be cautious to avoid injury when moving heavy objects. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 18: Cooling System Safety
● When maintaining or replacing components, pay attention to high-pressure components (such as the compressor and refrigerant pipe) to prevent the refrigerant system from being cracked or exploded due to misoperations. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 19: Pre-Fab. Module Safety
Do not smoke or use open flame inside a pre-fab. module. ● Before performing fire operations inside a pre-fab. module, obtain the customer's approval and the required work permit and fully evaluate risks. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 20: Battery Safety
NO TICE To ensure battery safety and battery management accuracy, use batteries provided with the UPS by Huawei. Huawei is not responsible for any battery faults caused by batteries not provided by Huawei. Battery Installation Before installing batteries, observe the following safety precautions: ●...
Page 21 When moving or handling a battery whose electrolyte leaks, note that the leaking electrolyte may hurt human bodies. ● If the battery temperature exceeds 60°C, check for and promptly handle any leakage. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 22: Others
UPS output voltage level or frequency. Doing so may affect the power supply to equipment. ● Exercise caution when setting battery parameters. Incorrect settings will affect the power supply and battery lifespan. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 23: Operation And Maintenance Preparations
2 Operation and Maintenance Preparations Operation and Maintenance Preparations 2.1 Tools 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 Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 24 Socket wrench Hand-held 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 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 25: Reference Documentation
The following table describes the requirements for working in the FusionDC1000. Item Requirement Before entry ● Obtain the entry permit. ● Perform detailed operations based on the requirements specified by the manager of the FusionDC1000. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 26: O&M Personnel Skill Requirements
● Obtain permission from designated personnel and take necessary precautions and preventive measures before entering the FusionDC1000A and performing any operation which may affect the normal running of theFusionDC1000A. ● Do not perform any unauthorized operations. After all work ●...
Page 27 FusionDC1000 ng system With fire engineer qualifications Lighting Familiar with the overall configurations and layout of the FusionDC1000 structural Experienced in maintaining the FusionDC1000 systems Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 28: 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 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 29 60 minutes before performing any further operation. LOGO and pattern Seek help from Huawei headquarters for a detailed painting solution. damage Frontline personnel can turn to local advertisement coating suppliers. Dent 1. If a dent is less than 100 mm...
Page 30 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. Figure 3-3 Zinc-rich primer Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 32: Sliding Cabinets
Figure 3-7 Sliding direction and distance (1) IT cabinet (2) UPS cabinet Procedure Step 1 Remove the bolts securing the cabinet sliding base fasteners using an adjustable wrench, and remove the fasteners. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 33: Daily Maintenance
No alarm is Clear alarms by referring to 000 alarms WebUI, choose displayed in the the ECC800-Pro documents. WebUI Home > Active alarm information Alarms or Query > area. Historical Alarms. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 34: Monthly Maintenance
ASD power status of the ASD power supply are is abnormal, troubleshoot by supply and its power normal. following instructions in supply. documents delivered with the ASD. 3.4 Monthly Maintenance Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 35: Power Supply And Distribution System
UPS running status and ● Output check whether an alarm is voltage: 380 generated. V AC, 400 V AC, or 415 V AC (tolerance ± 1%, line voltage) ● Frequency: 40–70 Hz Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 36: Cooling System
(300 mm Width) . drainpipe condensation. NO TICE If a cooling component needs to be powered off for maintenance, take measures to prevent device overheating before powering off the component. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 37: Monitoring System
Blinking: The indicator blinks at super short intervals for 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 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 38 Check the input power cables. normal. Off: No power supply is available. ALM indicator Steady on: A fault alarm is Clear alarms by referring to generated. the ECC800-Pro documents. Off: No fault alarm is generated. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 39 0.5s and then off for 0.5s). Exterior The exterior is intact and the Replace the PAD. touchscreen is working properly. Exit button Function The function is normal. Replace the exit button. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 40: Fire Extinguishing System (Standard)
Switch off the power The emergency Replace the device. light circuit breaker. light turns on. Smoke Check the smoke The indicator Replace the smoke detector. detector detector indicator. blinks once every 6s. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 41: Fire Extinguishing System (Ce)
If leakage occurs, the fire engineer charges the extinguishant in the local charging station. Emergency Disconnect the The emergency light Replace the emergency light. light power plug of the turns on. emergency light. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 42: Other Systems
Check whether No obvious rubbish exists Clean the rubbish. obvious rubbish around the pre-fab. exists around the modules. pre-fab. modules. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 43: Quarterly Maintenance
Table 3-10 Quarterly maintenance checklist for the monitoring system Check Item Operation Check Standard Troubleshooting Access Power input Input voltage: 36–60 V DC Check the input power actuator cables if the input voltage is abnormal. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 44 0.05s). Blinking at super short intervals intermittently: The device is searching for a network (the indicator blinks at 2 Hz, on for 0.5s and then off for 0.5s). Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 45 Blinking: The indicator blinks at super short intervals for 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 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 46: Fire Extinguishing System (Standard)
2. Replace the fire alarm control panel. power the panel. 2. The battery 2. Measure the voltage is battery voltage 24±1 V DC. using a multimeter. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 47: Fire Extinguishing System (Ce)
24±1 V DC. panel. 2. Measure the battery voltage using a multimeter. Hand-held Check the hand-held fire The hand-held fire Replace the hand-held fire extinguisher. extinguisher is in good fire extinguisher. extinguisher condition. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 49: Power Supply And Distribution System
SmartLi 2. From the second year, check the capacity when charging is quarterly. about to complete. Ensure that the voltages are the same. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 51: Monitoring System
Output voltage: 45–55 V DC For details, contact Huawei technical support. PWR indicator Steady on: The power supply is Check the input power cables. normal. Off: No power supply is available. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 52: Fire Extinguishing System (Standard)
● After the maintenance, reconnect the cables to fire cylinder electromagnetic valves and inform the administrative departments that the fire extinguishing system has resumed. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 54 ASD power Check the power The power indicator turns on. 1. Check the power supply indicator. cables. 2. Replace the battery for the ASD power box. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 55: Fire Extinguishing System (Ce)
2. If the fault persists, rightward. Press replace the fire alarm Silence/Sound bell. Alarm to start or abort the fire alarm bell. Reset the key to Enable Control by flipping it leftward. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 56 Horn strobe Press the manual gas The horn strobe generates Replace the horn strobe. release button on the shrill alarm sound and flashing extinguishant control signals after the countdown panel. ends. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 57: Other Systems
If an air filter is slightly blocked, vent air filter filter is blocked. blocked. clean the air filter and reinstall it. If more than 50% of the meshes are blocked, replace the air filter. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 58 (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 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 59: Parts Replacement
Replacement" in the UPS user manual. Table 4-1 Components that can be replaced for the power supply and distribution system Device Component Name Integrated UPS 3.0 Fuse Indicator 4.1.2 Replacing SmartLi Components Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 60: Replacing An Mdu
Method 2: Import the configuration file. On the MDU home screen, choose Maintenance > USB Operations and select Load Config. ----End 4.1.2.2 Replacing a BCU Prerequisites ● Tools: Phillips screwdriver, key to the cabinet door Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 61: Replacing A Battery Module
● Materials: a new and intact battery module NO TICE Before the replacement, ensure that the load services are not affected or obtain written consent from the customer. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 62: Replacing An Rpdu
Step 11 After the green indicator of the BCU blinks at 10 Hz, switch on the battery circuit breaker on the SmartLi. ----End 4.1.3 Replacing an rPDU Prerequisites A spare rPDU of the same model is available and functional. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 63: Replacing A Light
Step 11 Insert device power plugs in the rPDU. Step 12 Reinstall the cabinet top baffle plate. ----End 4.1.4 Replacing a Light Prerequisites Spare LED lights of the same model are available and functional. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 64: Replacing The Power Pdb
A spare power PDB of the same model is available and functional. Impact on the System None Preparations Tools: Phillips screwdriver, socket wrench Material: spare power PDB Documents: power supply and distribution drawings and parameters Skill requirement: electrician's work permit Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 65: Replacing Cooling System Components
NetCol5000-A025 In-row Air Cooled Air filter Smart Cooling Product Indoor fan Differential pressure switch Compressor Dryer filter (Optional) Wet film humidifier (Optional) Humidifier cylinder Electric control box Temperature and humidity (T/H) sensor Module Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 66: Replacing An In-Row Air Cooled Smart Cooling Product
A. ● Smart cooling product C1 or D1 can be replaced in cold aisle B. Figure 4-1 Pre-fab.module layout (1) Cold aisle A (2) Cold aisle B Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 67 Step 3 Remove the suspended ceilings before the smart cooling product in the cold and hot aisles. NO TICE Assign two persons to remove a suspended ceiling together. One person holds up the suspended ceiling, while the other person removes the fasteners. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 69 ● Adjust the height of the floor tray to ensure that the reinstalled floor panels are flush with other floor panels. Step 7 Remove fasteners at the top and bottom of the smart cooling product. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 70 ● Place the removed front door with the LCD side facing upwards in an open area, and protect it with sponge if necessary to prevent scratches. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 71 Remove the front door, rear door, and hinge bases from smart cooling product Unfasten the eight rotating baffle plates in the upper, middle, and lower positions of the air filters, and remove the upper and lower air filters. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 72 Use a Phillips screwdriver to remove the active and standby input power cables for the smart cooling product indoor unit from ports AC1 and AC2 on the smart cooling product PDB, and remove the corresponding cables from the integrated UPS circuit breaker. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 73 Figure 4-8 Removing the active and standby power cables from the smart cooling product Remove the power cable for the smart cooling product outdoor unit from port AC3 on the smart cooling product indoor unit PDB. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 74 Figure 4-9 Removing the power cable from the smart cooling product outdoor unit Remove the communications cables between the indoor and outdoor units of the smart cooling product. Remove the water sensor cable. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 75 X302-1/2/3: RS485 communications control X301-7/8: water sensor port port for the outdoor unit Remove the teamwork control cable from the FE_1 port on the smart cooling product main control module. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 76 Remove the remote T/H sensor cable at the air return side of the smart cooling product from the RS485_OUT port. Figure 4-12 Removing the remote T/H sensor cable Step 10 Discharge refrigerant. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 77 – If refrigerant flows out, perform Step 10.1–Step 10.3 on the corresponding needle valve. – If no refrigerant flows out, go to Step 10.5. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 78 ● Ignore the small amount of refrigerant oil that flows out during refrigerant discharge, or contact Huawei technical support for help. Remove the drainpipe hose clamp using a flat-head screwdriver, and remove the drainpipe.
Page 79 0.5 m long DN32 steel pipes. Place the 3 mm thick steel plate on the raised floor in the cold aisle. Place two 0.5 m long steel pipes on the steel plate. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 80 B. Push the smart cooling product completely onto the three 0.5 m long steel pipes, and move the smart cooling product along the long aisle to the pre-fab. module side door. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 81: Replacing A T/H Sensor
A T/H sensor needs to be replaced. ● A spare T/H sensor of the same model is available and functional. Context A T/H sensor can be maintained only from the rear door. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 82 Cold Cold aisle 1 aisle temp/humid Cold aisle 2 temp/humid Cold aisle 3 temp/humid Hot aisle 1 aisle temp/humid Hot aisle 2 temp/humid Hot aisle 3 temp/humid ----End Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 83: Replacing An Electric Heating Belt
The air filters need to be maintained from the rear door. Procedure Step 1 Open the rear door, rotate the clips on both sides of the upper air filter, and draw out the upper air filter, as shown in Figure 4-18. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 84: Replacing The Indoor Fan
Step 1 On the controller home screen, tap Shutdown, and turn off the smart cooling product switch in the upstream PDC. Step 2 Open the front door and turn off the switch for the faulty fan. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 85: Replacing An Outdoor Fan
Recommended tools and materials: hex key, Phillips screwdriver, socket wrench, small flat-head screwdriver (2 mm), diagonal pliers, cable ties, and new fan ● Preparations: Shut down the system and cut off external power supplies. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 86 4-20, and take off the fan and guard. Step 6 Remove the four screws that connect the fan and guard using a hex key, and take off the faulty fan. Figure 4-21 Separating the fan from the guard Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 87: Replacing The Differential Pressure Switch
Exercise caution because the device is still energized after it is shut down on the controller home screen. Step 2 Open the rear door and remove the air filter. Step 3 Remove the pressure inlet tube, as shown by (1) in Figure 4-22. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 88 Step 5 Use a Phillips screwdriver to remove the three screws, and remove the differential pressure switch, as shown by (3) in Figure 4-22. Step 6 Set the new differential pressure switch to 250 Pa. Figure 4-23 Setting values for a differential pressure switch Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 89: Replacing The High Pressure Switch
Exercise caution because the device is still energized after it is shut down on the controller home screen. Step 2 Open the rear door and remove the air filter. Step 3 Remove the cables from the high pressure switch. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 90 Exercise caution when removing the high pressure switch because a small amount of refrigerant will be sprayed when you remove the switch. Step 5 Apply sealant on the outer side of the air valve connected to the pipe nut. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 91: Replacing The Compressor
● Do not tilt the compressor during replacement to prevent lubricant leaks. ● Install a new compressor immediately after you remove the rubber plugs of the suction inlet and discharge outlet to prevent the moisture. Figure 4-26 shows an angle valve. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 92 30# adjustable wrenches to secure the angle valve nut and pipe nut on the suction side, and use a 36# adjustable wrench to loosen the adjustable nut until the pipe is separated from the angle valve. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 93 Commissioning Procedure until the total refrigerant volume meets requirements. After verifying that the system is working properly, exit from the diagnostic mode. Step 11 Install the air filter and close the rear door. ----End Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 94: Replacing The Welded Filter Dryer (Welding Connection)
(4) Welding point B (5) Welding point C Procedure Step 1 Tap Shutdown on the LCD home screen and turn off the smart cooling product switch in the PDC and the compressor switch QF3. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 95 ● Do not use face-down bonding. Figure 4-28 Removing the filter dryer Remove the hold hoop from the filter dryer using a Phillips screwdriver. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 96: Optional) Replacing The Liquid Level Detector
Step 8 After checking that the smart cooling product does not leak, vacuumize the smart cooling product and charge refrigerant. ----End 4.2.2.10 (Optional) Replacing the Liquid Level Detector Prerequisites ● The liquid level detector needs to be replaced. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 97 Exercise caution because the NetCol5000-A is still energized when it is being shut down over the LCD. Step 2 Open the front door and remove the four screws that secure the water pan cover. Figure 4-31 Removing a water pan cover Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 98 Step 5 Use a Phillips screwdriver to remove the screws that secure the high liquid level detector, and remove the high liquid level detector (the low liquid level detector can be taken out by rotating it). Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 99: Optional) Replacing The Condenser Pump
Exercise caution because the NetCol5000-A is still energized when it is being shut down over the LCD. Step 2 Open the front door and disconnect the water pump power cable. Step 3 Remove the four screws from the cover, remove the cover. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 100 Figure 4-36) and tie it securely using a proper object, such as a cable tie or rope based on the actual condition. Figure 4-35 Water pan hole (1) Water pan hole Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 101 Step 7 Use a socket wrench to remove the two M6 screws from the sheet metal fastener of the water pump, and pull out the water pump assembly, as shown in Figure 4-38. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 102 4-39. Connect the water pipe and secure it using a hose clamp. Connect the water pump power cable. Step 10 Remove the blockage from the water pan, reinstall the water pan cover, and then close the front door. ----End Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 103: Optional) Replacing A Wet Film Humidifier
Figure 4-40 Removing the water inlet pipe Step 4 Remove the screws that secure the humidifier sheet metal to the driver, remove the sheet metal, move the wet film leftward, and pull out the humidifier. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 104: Replacing The Controller Panel
Log in to the WebUI of the smart cooling product as an administrator user. Choose Maintenance > Configuration, and after (optional) tapping Configuration File Encryption Password, tap Back Up Current Settings to back up data to the computer. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 105 – The gasket dimensions are 25 mm (L) x 12 mm (W) x 2 mm (H) and the center aperture is 6 mm. Figure 4-42 Replacing a controller panel Install the new controller panel in the original position on the front door in an inverse order. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 106: Replacing The Module
● Before replacing a main control module, disconnect the network cable from the module. ● To replace the main control module, download the software and ACC software upgrade guide from Huawei websites, and upgrade it on the LCD. The module can be maintained only from the rear. Issue 01 (2021-04-20)
Page 107 Step 2 Open the rear door and remove the air filter. Step 3 Flip the clip on the module downwards, as shown by (1) in Figure 4-44. Figure 4-44 Removing a module Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 108: Replacing The Electric Control Box
When installing a new module, ensure that the handle is in the upper part of the module, and the HUAWEI logo is in the lower left corner of the module. Step 5 Insert the spare module into the corresponding slot, and flip the clip upwards to lock the module.
Page 109 Ensure that the four screws are tightened when installing the electric control box. Step 7 Place a new electric control box and the protective cover in the installation position and tighten them. Step 8 Reconnect cables and terminals. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 110: Replacing The Transformer
Step 2 Open the rear door and remove the air filter. Step 3 Remove the two M4 screws from the front panel of the transformer and remove the front panel. Figure 1-1 Removing the two M4 screws Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 111: Replacing Monitoring System Components
4.3.1 Replacing an ECC800-Pro Main Control Module 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 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 112 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 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 113: 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 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 114: Replacing Ecc800-Pro Antennas
Step 2 Install the spare 4G antenna cables and RF_Z antenna cables in the original positions and connect them to the ECC800-Pro. ----End 4.3.4 Replacing a SIM Card Prerequisites ● Tools: ESD wrist strap, ESD gloves Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 115 Step 4 Remove the SIM card from the card slot. Figure 4-53 Removing a SIM card Step 5 Insert the spare SIM card into the card slot. Figure 4-54 Installing a SIM card Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 116: Replacing A Smart Eth Gateway
4.3.6 Replacing a Camera Prerequisites A spare camera of the same model is available and functional. Impact on the System Video surveillance stops. Preparations Tools: Phillips screwdriver, step ladder, protective gloves Material: spare camera Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 117 In the scenario with an SD card, remove the SD card and install it in a new camera. Step 3 Use a Phillips screwdriver to remove the screws that fasten the camera to its base. Figure 4-56 Removing the camera base Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 118: Replacing A Water Sensor (Point Type)
Figure 4-57 Point-type water sensor Step 2 Remove the locking bolts of the water sensor using a Phillips screwdriver, and remove the water sensor, as shown in the figure. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 119: Replacing Access Control System 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 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 120 Step 7 On the Authorization Operations tab page, click Synchronize to Device, select the modified access control devices, and click Start Synchronization. Step 8 When Synchronization Status is Synchronization completed for the related devices, close the Synchronize Access Permission page. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 121: Replacing An Exit Button
Tools: insulation tape, Phillips screwdriver, small flat-head screwdriver, protective gloves Material: spare exit button Skill requirement: ELV engineer Procedure Step 1 Disassemble the faulty exit button, remove cables, and remove the faulty exit button. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 122: Replacing An Emergency Door Release Button
A spare emergency door release button of the same model is available and functional. Impact on the System None Preparations Tools: insulation tape, step ladder (2 m), Phillips screwdriver, protective gloves Material: spare emergency door release button Skill requirement: ELV engineer Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 123: Replacing An Access Actuator
If the door can be opened, the emergency door release button is working properly. ----End 4.3.8.4 Replacing an Access Actuator Prerequisites A spare access actuator of the same model is available and functional. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 124: Replacing A Door Status Sensor
Obtain permission from the relevant administration department before opening a pre-fab. module door. Step 2 Open the door status sensor box and disconnect the cable to remove the door status sensor to be replaced. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 125: Replacing An Ac Actuator
Step 2 Label each cable based on the corresponding ports on the AC actuator. Step 3 Open the cover on the front panel of the AC actuator, and disconnect the cables. Step 4 Remove the faulty AC actuator. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 126: Replacing A T/H Sensor
----End 4.3.11 Replacing the WiFi Module Impact on the System The app cannot be connected to the ECC800-Pro, and the smart module information cannot be properly displayed. Preparations Material: WiFi module Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 127: Optional) Replacing A Pad
Step 2 Specify the user name and password for the app on the spare PAD and log in to check that the app works properly. Step 3 Remove the old PAD from the support and install the spare PAD on the support. ----End Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 128: Replacing Fire Extinguishing System Components (Standard)
4.4.2 Replacing a Smoke Detector 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 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 129 Step 6 Hold the smoke detector body, align the smoke detector indicator with the position shown by (1) in Figure 4-66, and turn the detector body clockwise to the position shown by (2) in Figure 4-66 to install the smoke detector. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 130: Replacing A Heat Detector
Before replacing the heat detector, inform the related administration department of the temporary downtime of the fire extinguishing system. After the replacement, inform the administration department that the system has become operational. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 131 (1) in Figure 4-68, and turn the detector body clockwise to the position shown by (2) in Figure 4-68 to install the heat detector. Figure 4-68 Reference line for heat detector installation Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 132: Replacing An Input/Output Module
Remove the screws on the bottom box using a Phillips screwdriver, and remove the box. Insert the output plug of the encoder into the encoding socket of the new input/output module, adjust the encoder to the encoding function, set the Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 133: Replacing A Gas Release Indicator
Step 1 Switch off the active and standby power supplies to the fire alarm control panel. Step 2 Remove the screws shown in Figure 4-70 using a Phillips screwdriver, and remove the panel. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 134 If the gas release indicator turns on, it is working properly. Figure 4-71 Short-circuiting the pressure announciator (1) Red and black cables to the pressure (2) Cables to the fire alarm control panel announciator ----End Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 135: Replacing A Fire Alarm Horn/Strobe
Step 1 Switch off the active and standby power supplies to the fire alarm control panel. Step 2 Pry open a seam at the top clip using a flat-head screwdriver to separate the top cover from the base. Figure 4-72 Removing the fire alarm horn/strobe Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 136: Replacing An Internal Fire Alarm Horn/Strobe
Before replacing the fire alarm horn/strobe, inform the related administration department of the temporary downtime of the fire extinguishing system. After the replacement, inform the administration department that the system has become operational. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 137: Replacing A Fire Alarm Sounder
The fire extinguishing system stops working during the replacement. Prerequisites Tools: needle-nose pliers, insulation tape, protective gloves, step ladder Materials: spare fire alarm sounder, cord end terminals Document: fire extinguishing device layout diagram (standard) Skill requirement: fire engineer Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 138 Step 4 Connect the input wires with the two wires (polarity insensitive) of the spare fire alarm sounder and wrap the connection points using insulation tape. NO TE Cord end terminals are recommended if applicable. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 139: Replacing The Emergency Start/Abort Switch
Step 1 Switch off the active and standby power supplies to the fire alarm control panel. Step 2 Use a Phillips screwdriver to remove the screws from the emergency start/abort switch, as shown in Figure 4-76. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 140 If the run indicator of the new emergency start/abort switch is on after power-on, the emergency start/abort switch is working properly. ----End Follow-up Procedure Dispose of the removed emergency start/abort switch that is confirmed faulty. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 141: Replacing Batteries For The Fire Alarm Control Panel
Figure 4-77 Positions of the active and standby power switches Step 2 Use a Phillips screwdriver to remove the battery fastening plates. CA UTION Do not short-circuit the positive and negative terminals during the operation. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 142 Step 5 Connect the battery cables to the fire alarm control panel in the same way. Figure 4-79 Connecting battery cables NO TE Distinguish the positive and negative battery terminals when connecting battery cables. Step 6 Use a Phillips screwdriver to secure the battery fastening plates. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 143: Replacing A Fire Cylinder
The fire extinguishing system stops working during the replacement. Prerequisites Tools: pallet truck, Phillips screwdriver, protective gloves, adjustable wrench Materials: spare fire cylinder, sealing tape Document: fire extinguishing device layout diagram (standard) Skill requirement: fire engineer Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 144 Step 2 Disconnect the interconnection cables between the electromagnetic valve and the fire alarm control panel, as shown in Figure 4-82. Disconnect cables from the electromagnetic valve, as shown in Figure 4-83. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 145 Figure 4-82 Position of the interconnection cables Figure 4-83 Position of the cables to the electromagnetic valve Step 3 Disconnect the cables from the pressure announciator, as shown in Figure 4-84. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 146 ● Do not impact or strike the fire cylinder during transportation or installation. ● Assign sufficient people for transportation and installation if no auxiliary tool is available. ● Keep the pressure gauge panel outward so that people can view the reading. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 147 Step 10 Reinstall the adapter and high-pressure hose. Step 11 Connect the cables between the electromagnetic valve and the fire alarm control panel. Step 12 After installing the fire cylinder, remove the safety pin on the fire cylinder. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 148: Replacing A Fire Alarm Control Panel
Before replacing the fire alarm control panel, inform the related administration department of the temporary downtime of the fire extinguishing system. After the replacement, inform the administration department that the system has become operational. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 149 Keep labels on the cables intact so that cables can be connected to the correct terminals later. Step 6 Remove the screws using a Phillips screwdriver, and take out the faulty fire alarm control panel. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 150 If the power indicator is on and the alarm indicator is off, the fire alarm control panel is working properly. ----End Follow-up Procedure Dispose of the removed fire alarm control panel that is confirmed faulty. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 151: Replacing An Emergency Light
Step 11 Press the red button on the emergency light to check whether the new emergency light is working properly. NO TE If the new emergency light turns on, it is working properly. ----End Follow-up Procedure Dispose of the removed emergency light that is confirmed faulty. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 152: Replacing Batteries For The Asd Power Box
Step 3 Disconnect cables from the faulty ASD batteries. Step 4 Use a Phillips screwdriver to remove screws on the battery protective panel, and remove the protective panel. Step 5 Replace the batteries, and connect battery cables. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 153: 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 Documents: fire extinguishing drawings and parameters Skill requirement: fire engineer Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 154 Step 8 Check whether the new smoke detector is working properly. NO TE If the red indicator blinks once every 6s, the smoke detector is working properly. ----End Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 155: Replacing A Heat Detector (Ce)
Step 2 Hold the heat detector, and rotate it counterclockwise to remove it from the base. Figure 4-96 Removing a heat detector Step 3 Remove cables from the base. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 156: Replacing Warning Signs (Ce)
After the replacement, inform the administration department that the system has become operational. Procedure Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant control panel. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 157: 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 Documents: fire extinguishing drawings and parameters Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 158 Step 5 Install the new horn strobe in the same way, connect the cables, and install the terminal resistor and cover. Figure 4-98 Connecting cables Step 6 Switch on the input circuit breaker of the extinguishant control panel, and connect the battery cables. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 159: Replacing An External Horn Strobe (Ce)
Procedure Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant control panel. Step 2 Rotate the horn strobe cover counterclockwise and remove it. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 160 Step 6 Switch on the input circuit breaker of the extinguishant control panel, and connect the battery cables. Step 7 Check that the new horn strobe is working properly. Disconnect the wiring terminals from the electrical actuator on the fire cylinder. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 161: 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. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 162: Replacing An Extinguishant Abort Button (Ce)
4.5.7 Replacing an Extinguishant Abort Button (CE) Prerequisites A spare extinguishant abort button of the same model is available and functional. Impact on the System The fire extinguishing system stops working during the replacement. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 163 Step 2 Remove the screws on the panel of the extinguishant abort button using a Phillips screwdriver. Figure 4-102 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 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 164 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 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 165: Replacing Batteries For The Extinguishant Control Panel (Ce)
Reset on it. Then, reset the key Enable Control clockwise (leftward). ----End 4.5.8 Replacing Batteries for the Extinguishant Control Panel (CE) Prerequisites Spare extinguishant control panel batteries of the same model are available and functional. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 166: Replacing A Fire Cylinder (Ce)
4.5.9 Replacing a Fire Cylinder (CE) Prerequisites A spare fire cylinder of the same model is available and functional. Impact on the System The fire extinguishing system stops working during the replacement. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 167 ● Assign sufficient people for transportation and installation if no auxiliary tool is available. Step 3 Disconnect the interconnection terminals on the electrical actuator from the extinguishant control panel. Remove the electrical actuator by rotating it counterclockwise. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 168 That the ejector is not reset may lead to extinguishant release. Figure 4-108 Operating the electrical actuator ejector Align the electrical actuator and the container valve, and tighten the actuator clockwise. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 169: Replacing The Fire Cylinder In The Lithium Battery Cabinet
Fill the fire cylinder with extinguishant. The recommended extinguishant is heptafluoropropane. Procedure Step 1 Check that the fire cylinder valve is closed (vertical to the cylinder). Figure 4-109 Checking the fire cylinder valve Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 170 Step 4 Install the fire-trace tube on the fire cylinder. NO TICE Do not bend or twist the fire-trace tube. Otherwise, the fire cylinder may fail. Cut off the end of the fire-trace tube evenly. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 171 Hold the pipe holder close to the end to avoid bending the tube during pipe insertion. Figure 4-112 Installing the fire-trace tube Tighten the connection nut to 7 N·m using an adjustable torque wrench. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 172: Replacing An Extinguishant Control Panel (Ce)
Impact on the System The fire extinguishing system stops working during the replacement. Preparations Tools: Phillips screwdriver, protective gloves Materials: spare extinguishant control panel Documents: delivered with the extinguishant control panel Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 173 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. Step 9 Switch on the input circuit breaker of the extinguishant control panel, and connect the battery cables. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 174: Replacing An Emergency Light (Ce)
Step 4 Remove screws from the emergency light base using a Phillips screwdriver, and remove the base. Step 5 Install the new emergency light base and the panel in the same way. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 175: Replacing Batteries For The Asd Power Box
Step 1 Move the ASD 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 ASD. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 176 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 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 177 Step 2 Use a polishing machine to polish the paint on the cut surface and ensure that the polishing width is 10–20 mm. Step 3 Cut the prepared material into the same size as the hole to be welded. Step 4 Fully weld along the joints. Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 178 Step 6 Clean the polished area with alcohol, and apply paint (epoxy zinc rich primer +epoxy intermediate paint+polyurethane topcoat) according to the procedure: After the primer is dry, apply the epoxy intermediate paint. After the intermediate paint is dry, apply the polyurethane topcoat. ----End Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 179 Maintenance Guide (IT Scenario) 6 Acronyms and Abbreviations Acronyms and Abbreviations alternating current aspirating smoke detector automatic transfer switch control area network Conformite Europende energy control center liquid crystal display monitor display module Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.
Page 180 FusionDC1000A Prefabricated All-in-One Data Center Maintenance Guide (IT Scenario) 6 Acronyms and Abbreviations power over Ethernet power distribution frame power distribution unit rPDU rack power distribution unit subscriber identity module uninterruptible power system Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd.

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Huawei FusionDC1000A Maintenance Manual

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1 Safety Information

2 Operation and Maintenance Preparations

3 Routine Maintenance

4 Parts Replacement

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