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TP48200A-HT15D3 Telecom Power (Russia, Megafon) 
User Manual 

4 Maintenance 

 

Issue 03 (2019-11-15) 

Copyright © Huawei Technologies Co., Ltd. 

43 

 

Maintenance 

4.1 Routine Maintenance 

Perform routine maintenance periodically based on site requirements. The recommended 
interval is six months. If any fault occurs, rectify it in a timely manner. 

Table 4-1

 

Routine maintenance checklist 

Item 

Check Whether 

Check Method 

Repair When 

Measure 

Door lock 

The door lock is 
damaged. 

By observation or by 
locking and 
unlocking the door 

The door lock is 
damaged. 

Replace the door 
lock. 

Fan 

Dust accumulates on 
the fan. 

By observation 

The fan is dusty. 

Clean the dust. 

The fan is intact, and 
the rotation speed, 
noise, and vibration 
are in normal ranges. 

By observing or 
listening to the fan 

The fan is damaged, the 
vibration is abnormal, 
or the noise is loud. 

Replace the fan. 

Heat 
exchanger 

Dust accumulates on 
the heat exchanger 
core. 

By observation or by 
checking the 
temperature 

The heat exchanger 
core is dusty, and the 
temperature is high in 
the cabinet. 

Clean or replace the 
heat exchanger 
core. 

Heater 

The heater works 
properly. 

By observation or by 
checking the 
temperature 

The heater is damaged 
and cannot effectively 
heat the air. 

Replace the heater. 

TCUA 
control board 

The TCUA control 
board works 
properly. 

By observation or by 
checking the 
indicator and alarms 

The TCUA control 
board does not work 
properly. 

Replace the TCUA 
control board. 

TEC 

The TEC works 
properly. 

By observation or by 
checking the fan and 
temperature 

The TEC is damaged 
and cannot effectively 
cool the air. 

Replace the TEC. 

Electricity 

The output voltage is 
normal. 

Multimeter 

The BLVD or LLVD 
voltage exceeds the 
threshold. 

For details, see 4.2 
Rectifying 
Common Faults.
 

Summary of Contents for TP48200A-HT15D3

Page 1: ...TP48200A HT15D3 Telecom Power Russia Megafon User Manual Issue 03 Date 2019 11 15 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...tomer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subject to c...

Page 3: ... Description Indicates a hazard with a high level of risk which if not avoided will result in death or serious injury Indicates a hazard with a medium level of risk which if not avoided could result in death or serious injury Indicates a hazard with a low level of risk which if not avoided could result in minor or moderate injury Indicates a potentially hazardous situation which if not avoided cou...

Page 4: ...istory Changes between document issues are cumulative The latest document issue contains all the changes made in earlier issues Issue 03 2019 11 15 Deleted contents about the app Optimized the content about rectifiers Issue 02 2019 02 26 Optimized the content of the document Issue 01 2014 08 20 This issue is the first official release ...

Page 5: ...view 15 2 1 Overview 15 2 2 Model Number Description 16 2 3 Features 16 2 4 Working Principles 16 2 5 Configurations 17 3 Components 19 3 1 Interior 19 3 2 PDU 21 3 2 1 Battery Switch 22 3 3 Rectifier 22 3 4 SMU02B 24 3 5 UIM02C 27 3 6 Heater 30 3 7 TCU 31 3 7 1 Heat Exchanger 31 3 7 2 TEC 32 3 8 Optional Intelligent Battery Detector 36 3 9 Sensor and Lamp 39 3 9 1 Smoke Sensor 39 3 9 2 Temperatur...

Page 6: ...w Ambient Humidity 48 4 2 14 Batt High Temp 49 4 2 15 Batt Low Temp 49 4 2 16 Door Alarm 49 4 2 17 Water Alarm 50 4 2 18 Smoke Alarm 50 4 2 19 Rect Fault 50 4 2 20 Rect Protection 51 4 2 21 Rect Comm Fault 51 4 2 22 AC SPD Fault 51 4 2 23 DC SPD Fault 52 4 3 Identifying Component Faults 52 4 3 1 Identifying AC SPD Faults 52 4 3 2 Identifying Circuit Breaker Faults 52 4 3 3 Identifying Rectifier Fa...

Page 7: ... Smoke Sensor 73 4 4 13 Replacing a Door Status Sensor 74 A Technical Specifications 76 A 1 Environment Specifications 76 A 2 Electrical Specifications 76 A 3 EMC Specifications 77 A 4 Cabinet Specifications 78 A 5 Heater Specifications 79 A 6 Intelligent Battery Detector Specifications 79 A 7 Lamp Specifications 79 B Electrical Conceptual Diagram 81 C Associations Between Alarms and Dry Contacts ...

Page 8: ...rty damage are not covered under the warranty Follow local laws and regulations when installing operating or maintaining the equipment The safety instructions in this document are only supplements to local laws and regulations Huawei will not be liable for any consequences of the following circumstances Operation beyond the conditions specified in this document Installation or use in environments ...

Page 9: ...owing figure Follow the specified procedures for installation operation and maintenance Ensure that bolts are tightened with a torque wrench and marked using red or blue color Installation personnel mark tightened bolts in blue Quality inspection personnel confirm if the bolts are tightened and then mark them in red The marks should cross the edges of the bolts as shown in the following figure Bef...

Page 10: ...area In the case of a fire immediately leave the building or the equipment area and turn on the fire alarm bell or make an emergency call Do not enter the building on fire in any case Do not stop using protective devices Pay attention to the warnings cautions and related precautionary measures in this document and on the equipment Promptly replace warning labels that have worn out Keep irrelevant ...

Page 11: ...quipotential bonding This symbol is found with equipotential terminals inside equipment Indicates electrostatic discharge ESD This symbol is used in all electrostatic sensitive areas Before operating equipment in these areas wear ESD gloves or an ESD wrist strap Indicates that the equipment is safe to use at altitudes below 2000 m 6561 6 ft Indicates that the equipment is not safe to use in tropic...

Page 12: ...rofessionals personnel who are trained or experienced in equipment operations and are clear of the sources and degree of various potential hazards in equipment installation operation and maintenance Trained personnel personnel who are technically trained have required experience are aware of possible hazards on themselves in certain operations and are able to take protective measures to minimize t...

Page 13: ...g the power supply ensure that cable connections are correct If the equipment has multiple inputs disconnect all the inputs before operating the equipment Cabling When routing cables ensure that a distance of at least 30 mm exists between the cables and heat generating components or areas This prevents damage to the insulation layer of the cables Do not route cables behind the air intake and exhau...

Page 14: ...inet is secured and will not tilt or fall down due to loss of balance which can cause personal injury or equipment damage Do not expose the equipment to flammable or explosive gas or smoke Do not perform any operation on the equipment in such environments Installation at Heights Working at heights refers to operations that are performed at least 2 meters above the ground Do not at heights in any o...

Page 15: ... allow people to stay or pass under the area involving working at heights Inspect the scaffolding springboards and workbenches used for working at heights in advance to ensure that their structures are solid and not overloaded Dismantle the scaffolding from top down after finishing the job Do not dismantle the upper and lower layers at the same time When removing a part ensure that other parts wil...

Page 16: ... pull ropes are secured and the ladder is held firm Before using a ladder check that it is intact and confirm its load bearing capacity Do not overload it 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 Ensure that the ladder is securely positioned The recommended angle for a ladder against the floor i...

Page 17: ...les When drilling holes into a wall or floor observe the following safety precautions Do not drill holes into the equipment Doing so may affect the electromagnetic shielding of the equipment and damage components or cables inside Metal shavings from drilling may short circuit boards inside the equipment Wear goggles and protective gloves when drilling holes When drilling holes protect the equipmen...

Page 18: ...amage batteries for example insert sundries into batteries or immerse batteries in water or other liquids When replacing a battery use a battery of the same model or type Improper replacement may cause the battery to explode Do not connect a metal conductor to the battery poles or touch the battery terminals Otherwise the battery may be short circuited and heat up which can cause injuries such as ...

Page 19: ...ally Note the polarities when installing batteries Do not short circuit the positive and negative poles of the same battery or battery string Otherwise the battery may be short circuited When installing a battery string retain at least one breakpoint to prevent a loop being formed After checking that the installation is correct close the breakpoints to finish the installation During the installati...

Page 20: ...attery whose electrolyte leaks note that the leaking electrolyte may hurt human bodies If the electrolyte overflows follow the instructions of the battery manufacturer or neutralize the electrolyte by using sodium bicarbonate NaHCO3 or sodium carbonate Na2CO3 Lithium Battery The safety precautions for lithium batteries are similar to those for lead acid batteries except that you also need to note ...

Page 21: ...5D3 Telecom Power Russia Megafon User Manual 1 Safety Precautions Issue 03 2019 11 15 Copyright Huawei Technologies Co Ltd 14 When maintenance is complete return the waste lithium battery to the maintenance office ...

Page 22: ...1 15 Copyright Huawei Technologies Co Ltd 15 2 Overview 2 1 Overview The TP48200A HT15D3 is an integrated communications power system that supplies power to and backs up power for 48 V DC outdoor communications equipment Figure 2 1 shows the TP48200A HT15D3 Figure 2 1 TP48200A HT15D3 ...

Page 23: ...tEco is Huawei iManager NetEco data center infrastructure management system Liquid crystal display LCD for display and operations Web user interface WebUI for display and operations Multiple display languages such as English Chinese French Spanish Portuguese Italian and Russian Hot swapping of Rectifiers and site monitoring units SMUs Rectifier power factor up to 0 99 Rectifier efficiency up to 96...

Page 24: ...ure control unit based on the temperature measured by the temperature sensor to ensure the normal operating temperature for the cabinet Figure 2 3 Conceptual diagram 2 5 Configurations Table 2 1 describes the TP48200A HT15D3 configurations Table 2 1 Configurations Item Configuration Application environment Class C Heater HAU03A 01 Rectifier A maximum of four R4850G2s or R4850N2s Maximum output cur...

Page 25: ...ss B environments refer to indoor environments in which the ambient temperature and humidity are not controlled and outdoor environments with simple shielding measures where humidity can reach 100 Class C environments refer to sea environments or outdoor land environments with simple shielding measures near pollution sources If a site is near a pollution source it is at most 3 7 km away from salt ...

Page 26: ...TP48200A HT15D3 Telecom Power Russia Megafon User Manual 3 Components Issue 03 2019 11 15 Copyright Huawei Technologies Co Ltd 19 3 Components 3 1 Interior Figure 3 1 shows the TP48200A HT15D3 interior ...

Page 27: ...ry switch behind the cover 6 Space for installing rectifiers 7 Cabinet ground bar 8 Space for installing customer equipment 9 Cable holes 10 Space for installing batteries 11 Heater 12 Internal circulation fan 13 Site monitoring unit 02B SMU02B 14 User interface module 02C UIM02C 15 RTN busbar 16 Heat exchanger core 17 External circulation fan 18 Space for installing an intelligent battery detecto...

Page 28: ...Figure 3 2 AC PDU 1 Maintenance socket and circuit breaker 2 AC output circuit breakers Figure 3 3 AC PDU and DC PDU 1 AC input circuit breakers 2 AC SPD 3 Battery low voltage disconnection BLVD circuit breakers 4 Load low voltage disconnection LLVD circuit breakers 5 Battery circuit breaker Table 3 1 Power distribution specifications Item Specifications Input system 220 380 V AC three phase four ...

Page 29: ... one 1 pole 32 A circuit breaker one 1 pole 6 A circuit breaker one 1 pole 16 A circuit breaker connected to the TEC and one 1 pole 6 A circuit breaker SPD AC SPD Nominal lightning strike discharge current 20 kA 8 20 µs maximum lightning strike discharge current 40 kA 8 20 µs DC SPD Differential mode 10 kA 8 20 µs common mode 20 kA 8 20 µs 3 2 1 Battery Switch Figure 3 4 Battery switch 1 Battery s...

Page 30: ...ed Blinking at 4 Hz The rectifier is loading an application program Alarm indicator Yellow Off No alarm has been generated Steady on The rectifier has generated an alarm due to ambient overtemperature The rectifier has generated an alarm for shutdown due to ambient overtemperature or undertemperature The rectifier is protecting itself against AC input overvoltage or undervoltage The rectifier is h...

Page 31: ...LCD Indicators Table 3 3 Indicator description Name Color Status Description Run indicator Green Off The SMU is faulty or has no DC input Blinking slowly 0 5 Hz The SMU is running properly and communicating with the host properly Blinking fast 4 Hz The SMU is running properly but fails to communicate with the host properly Minor alarm indicator Yellow Off No minor or warning alarm is generated Ste...

Page 32: ...nds You need to log in again if no button is pressed within 1 minute To increase or decrease a parameter value quickly hold down or To restart the SMU hold down and for 10 seconds To increase or decrease the LCD contrast ratio hold down and or for 2 seconds USB Ports You can quickly deploy a site import and export configuration files export running logs and upgrade software by inserting the USB fl...

Page 33: ...d TCP Modbus protocol RS485 RS232 Baud rate 1200bit s 2400bit s 4800bit s 9600bit s 14400bit s 19200bit s 115200bit s Master slave protocol YDN protocol and Modbus protocol NOTE All these ports are protected by a security mechanism Figure 3 7 FE RS485 RS232 port pins Table 3 6 Pin definitions for the FE port Pin Signal Description 1 TX Transmits data over FE 2 TX 3 RX Receives data over FE 6 RX 4 ...

Page 34: ...tact outputs six dry contact inputs and seven sensor ports including one ambient temperature and humidity input one water sensor input two ambient temperature inputs one door status sensor input one smoke sensor input and one battery temperature input Figure 3 8 UIM02C panel Ports Table 3 8 UIM02C ports Port Type Silk Screen Description Sensor ports TEM HUM Ambient temperature and humidity sensor ...

Page 35: ...orts ALM1 NOTE For the associations between the dry contact output ports and alarms see the appendix ALM2 ALM3 ALM4 ALM5 ALM6 ALM7 ALM8 Communications port COM RS485 port Communication Port Table 3 9 COM communication port description Communication Port Communications Parameter Communications Protocol Function COM port Baud rate 9600 bit s 19 200 bit s 115 200 bit s M S and Modbus protocol Connect...

Page 36: ...9 Figure 3 9 Pins in the COM port Table 3 10 Pin definitions for the COM port Pin Signal Description 1 RX Receives data over RS485 2 RX 4 TX Sends data over RS485 5 TX 6 PGND Connects to the ground 3 7 8 None N A Pins Figure 3 10 shows the pin numbers of the sensor ports Table 3 11 defines the pins Figure 3 10 UIM02C pin numbers ...

Page 37: ... definitions Silkscreen No Pin Definitions TEM HUM 1 12 V 2 ENV_TEMP 3 12 V 4 ENV_HUM WATER 1 12 V 2 WATER 3 GND 4 Not defined TEMP1 1 GND 2 TEMP1 TEMP2 1 GND 2 TEMP2 GATE 1 GATE 2 GATE SMOKE 1 SMOKE 2 12V BTEMP 1 GND 2 BTEMP 3 6 Heater A heater assembly unit HAU is adopted to ensure a proper operating temperature for the equipment inside the cabinet ...

Page 38: ... on and has conducted a self test Off The heater is not powered on ALM Red Off No alarm has been generated Steady on An alarm has been generated and the heater needs to be replaced 3 7 TCU 3 7 1 Heat Exchanger Working Principles The equipment compartment is cooled by heat exchange which is implemented through internal circulation and external circulation Internal circulation Hot air in the equipme...

Page 39: ...n by the external circulation fan under the heat exchanger into the heat exchanger from the outside of the cabinet passes through the heat exchanging core from bottom to top then absorbs heat to change to hot air and finally flows out of the cabinet through the external air exhaust vent of the heat exchanger Figure 3 12 shows the heat exchange working principles Figure 3 12 Heat exchange working p...

Page 40: ...gies Co Ltd 33 Figure 3 13 TEC04C 1 External circulation fan 2 External heat sink 3 Semiconductor refrigeration chip 4 Internal heat sink 5 Internal circulation fan TCUA The TCUA controls the running of the fans and refrigeration chip and monitors the TEC It reports alarms when faults occur Figure 3 14 shows a TCUA ...

Page 41: ...re sensor port 2 TEC Working Principle The TEC cools and heats air over internal and external air circulation Table 3 13 shows the TEC working principle Figure 3 15 shows TEC airflow directions Table 3 13 TEC working principle Function Working Principle Cooling The TCUA controls the TEC04C to cool the internal circulation air The internal fan draws the hot air inside the battery compartment into t...

Page 42: ...ls the TEC04C to heat the internal circulation air The internal circulation fan draws the air inside the battery compartment into the internal heat sink The internal heat sink heats the air and then returns the heated air to the battery compartment from the air exhaust vent At the same time the external circulation fan draws the external circulation air into the external heat sink to accelerate th...

Page 43: ...tages of 2 12 V batteries and supports cascading Number of batteries each detector can monitor One string of 2 V batteries Two strings of 6 V batteries Four strings of 12 V batteries When connecting batteries of different strings to the detector leave a port in between Otherwise the accuracy is affected Appearance Figure 3 16 shows an intelligent battery detector Figure 3 16 Intelligent battery de...

Page 44: ... Ground terminal 8 Power input ports Table 3 14 Port Description Dry Contact Type Silkscreen Description Power input port Ground N A N A L Negative terminal N Positive terminal Battery port BAT24 Negative terminal of battery 24 BAT24 Positive terminal of battery 24 BAT23 Positive terminal of battery 23 BAT22 Positive terminal of battery 22 BAT21 Positive terminal of battery 21 BAT20 Positive termi...

Page 45: ... 8 BAT7 Positive terminal of battery 7 BAT6 Positive terminal of battery 6 BAT5 Positive terminal of battery 5 BAT4 Positive terminal of battery 4 BAT3 Positive terminal of battery 3 BAT2 Positive terminal of battery 2 BAT1 Positive terminal of battery 1 Temperature measurement port T1 Voltage input to battery temperature sensor 1 T2 Voltage input to battery temperature sensor 2 12 V Power supply ...

Page 46: ...ssue 03 2019 11 15 Copyright Huawei Technologies Co Ltd 39 3 9 Sensor and Lamp 3 9 1 Smoke Sensor Figure 3 18 shows a smoke sensor Figure 3 18 Smoke sensor 1 Wiring port 2 Base 3 Indicator 3 9 2 Temperature and Humidity Sensor Figure 3 19 Temperature and humidity sensor 1 ...

Page 47: ...HT15D3 Telecom Power Russia Megafon User Manual 3 Components Issue 03 2019 11 15 Copyright Huawei Technologies Co Ltd 40 Figure 3 20 Temperature and humidity sensor 2 3 9 3 Water Sensor Figure 3 21 Water sensor ...

Page 48: ...Huawei Technologies Co Ltd 41 3 9 4 Battery Temperature Sensor Figure 3 22 Battery temperature sensor 3 9 5 Temperature Sensor for the Equipment Compartment Figure 3 22 shows the temperature sensor for the equipment compartment 3 9 6 Door Status Sensor Figure 3 23 Door status sensor 1 Switch 2 Magnet ...

Page 49: ...TP48200A HT15D3 Telecom Power Russia Megafon User Manual 3 Components Issue 03 2019 11 15 Copyright Huawei Technologies Co Ltd 42 3 9 7 Optional Light Figure 3 24 Light ...

Page 50: ...fan The fan is damaged the vibration is abnormal or the noise is loud Replace the fan Heat exchanger Dust accumulates on the heat exchanger core By observation or by checking the temperature The heat exchanger core is dusty and the temperature is high in the cabinet Clean or replace the heat exchanger core Heater The heater works properly By observation or by checking the temperature The heater is...

Page 51: ...le 4 2 Rectifying Common Faults 4 2 1 AC Failure Possible Causes The AC input power cable is faulty The AC input circuit breaker is OFF The power grid is faulty Measures 1 Check whether the AC input cable is loose If so secure the AC input cable 2 Check whether the AC input circuit breaker is OFF If so handle the fault which caused the AC input circuit breaker to turn OFF and then switch on the ci...

Page 52: ...ld to the correct value 2 Check whether the system voltage has been manually set to a very high value If so check with other maintenance personnel whether the voltage can be changed to a normal value 3 Remove the rectifiers one by one and check whether the alarm is cleared If the alarm still exists reinstall the rectifier If the alarm is cleared replace the rectifier 4 2 5 DC Under Volt Possible C...

Page 53: ...er 2 Remove the SMU reinstall it and check whether the alarm is cleared If the alarm still exists replace the SMU 4 2 7 LLVD Disconnected Possible Causes An AC power failure has occurred Loads are manually disconnected The load disconnection voltage has been set to a very high value on the SMU Measures 1 Check whether an AC power failure has occurred If so rectify the fault to restore the AC power...

Page 54: ...eplace the fuse 3 Manually switch on or switch off the battery contactor and check whether the battery current changes accordingly If not replace the contactor 4 2 10 High Amb Temp This alarm is generated only for the power system that has an ambient temperature sensor installed Possible Causes The high ambient temperature alarm threshold is incorrectly set The temperature control system is faulty...

Page 55: ...dity is too high in the cabinet where the humidity sensor is located The humidity sensor is faulty Measures 1 Check whether the high humidity alarm threshold 80 RH by default is correctly set If no adjust it to a proper value 2 Check whether water intrudes into the cabinet If yes wipe the water with dry cotton or other tools and rectify the fault 3 Check whether the humidity sensor is faulty If ye...

Page 56: ...e sensor is faulty If so replace the temperature sensor 4 2 15 Batt Low Temp This alarm is generated only for the power system that has a battery temperature sensor installed Possible Causes The low battery temperature alarm threshold is incorrectly set on the SMU The battery temperature control system is faulty The battery temperature sensor is faulty Measures 1 Check whether the low battery temp...

Page 57: ... water sensor is faulty If the water sensor is faulty replace it 4 2 18 Smoke Alarm This alarm is generated only for the power system that has a smoke sensor installed Possible Causes There is smoke inside the cabinet The smoke sensor is faulty Measures 1 Check whether there is smoke inside the cabinet If so disconnect the power supply from the cabinet handle the fault and then restart the system ...

Page 58: ...her the ambient temperature is higher than the maximum operating temperature of the rectifier If so locate and rectify the temperature control system fault 4 Remove the rectifier that has generated the alarm and reinstall it after the indicator turns off If the alarm persists replace the rectifier 4 2 21 Rect Comm Fault Possible Causes A rectifier has been removed Rectifier connections are loose A...

Page 59: ...aker exceeds 1 V The input voltage is normal but the resistance between both ends of the circuit breaker is less than 1 kΩ when the circuit breaker is OFF 4 3 3 Identifying Rectifier Faults A rectifier is damaged if any of the following conditions is not met When the rectifier does not communicate with the SMU and the AC input voltage is around 220 V the green indicator on the rectifier is steady ...

Page 60: ...SMU 4 4 Parts Replacement Do not maintain devices on raining days preventing water from entering and damaging devices Disconnect the FAN POWER cable and then the fan cable Ensure that you have connected the fan cable correctly according to the silk screen on the panel before you connect the FAN POWER cable 4 4 1 Replacing a Rectifier Prerequisites Protective gloves and the cabinet door key are ava...

Page 61: ...er into the slot along the guide rails until it is engaged Close the handle and push the locking latch towards the right to lock the handle as shown in Figure 4 2 Figure 4 2 Installing a rectifier Step 7 Remove the protective gloves End Follow up Procedure Pack the removed component and send it to the local Huawei warehouse 4 4 2 Replacing an AC SPD Module Prerequisites An ESD wrist strap ESD glov...

Page 62: ...ure 4 3 Step 3 Install the new AC SPD module as shown in Figure 4 3 Figure 4 3 Replacing an AC SPD module Step 4 Disconnect the ground cable of the ESD wrist strap and remove the ESD wrist strap and ESD gloves End Follow up Procedure Check that the alarm for the AC SPD is cleared 4 4 3 Replacing a Circuit Breaker Prerequisites Before replacing an AC circuit breaker switch off the upstream input ci...

Page 63: ...he base of the circuit breaker using an insulated flat head screwdriver Step 5 Remove the circuit breaker from the guide rail Figure 4 4 shows how to remove the circuit breaker Figure 4 4 Removing the circuit breaker Step 6 Switch off the new circuit breaker Press the buckle at the circuit breaker base using an insulated flat head screwdriver and install the new circuit breaker Then remove the scr...

Page 64: ...ared 4 4 4 Replacing the PCB of UIM02C Prerequisites An ESD wrist strap ESD gloves ESD box or bag cabinet door key and required tools are available The new PCB of UIM02C is intact Procedure Step 1 Connect the ground cable to the ESD wrist strap and wear the ESD wrist strap and ESD gloves Step 2 Record the positions on the UIM02C panel for connecting signal cables and disconnect the cables Step 3 U...

Page 65: ...ogies Co Ltd 58 Figure 4 6 Taking out the main board of UIM02C Step 4 Remove the 48 V power cable from the PCB of UIM02C Figure 4 7 Removing the 48 V power cable Step 5 Record the positions where the PCB of UIM02C connects to all the cables and then disconnect the cables Step 6 Remove the PCB as shown in Figure 4 8 ...

Page 66: ... 10 Push in the UIM02C and tighten the screws Step 11 Reconnect signal cables to the UIM02C panel based on the recorded information Step 12 Disconnect the ground cable from the ESD wrist strap and remove the ESD wrist strap and ESD gloves End Follow up Procedure Pack the removed component and return it to the local Huawei warehouse 4 4 5 Replacing an SMU Prerequisites The cabinet door key is avail...

Page 67: ...ards the right Step 5 Reset the parameters on the SMU Figure 4 10 Installing an SMU End Follow up Procedure Pack the removed component and send it to the local Huawei warehouse 4 4 6 Replacing the Internal Fan of the Heat Exchanger Prerequisites You have obtained an ESD wrist strap a pair of ESD gloves an ESD box or bag the cabinet door key and the maintenance tool box The new fan is intact Instal...

Page 68: ...panel connects to the signal cable and then disconnect the signal cable 3 Unscrew the UIM02C panel and take out the UIM02C as shown in Figure 4 6 4 Remove the 48V power cable from the UIM02C as shown in Figure 4 7 Step 2 Disconnect the wiring terminal for the fan Step 3 Unscrew the top baffle and remove the baffle as shown in Figure 4 11 Figure 4 11 Removing the top baffle Step 4 Record the fan in...

Page 69: ...ews Step 7 Connect the wiring terminal for the fan Step 8 Connect the 48V power cable to the UIM02C Step 9 Push in the UIM02C and secure the screws Step 10 Connect the signal cable to the UIM02C panel based on the record made previously Step 11 Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and ESD gloves End 4 4 7 Replacing the External Fan for the Heat Exch...

Page 70: ... and ESD gloves 2 Record the position where the UIM02C panel connects to the signal cable and then disconnect the signal cable 3 Unscrew the UIM02C panel and take out the UIM02C as shown in Figure 4 6 4 Remove the 48 V power cable from the UIM02C as shown in Figure 4 7 Step 2 Disconnect the wiring terminal for the fan Step 3 Record the fan installation direction see the arrow marks on the fan remo...

Page 71: ...ble to the UIM02C panel based on the record made previously Step 9 Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and ESD gloves End 4 4 8 Replacing the Heat Exchanger Core Prerequisites Protect yourself against being burnt when removing the heat exchanging core as it has a high temperature You have obtained an ESD wrist strap a pair of ESD gloves a pair of p...

Page 72: ...tion where the UIM02C panel connects to the signal cable and then disconnect the signal cable 3 Unscrew the UIM02C panel and take out the UIM02C as shown in Figure 4 6 4 Remove the 48V power cable from the UIM02C as shown in Figure 4 7 Step 2 Put on protective gloves Step 3 Remove the heat exchanging core as shown in Figure 4 15 Figure 4 15 Removing the heat exchanging core Step 4 Clean the heat e...

Page 73: ...ap and take off the ESD wrist strap and ESD gloves End 4 4 9 Replacing the TCUA Control Board Prerequisites You have obtained an ESD wrist strap a pair of ESD gloves an ESD box or bag and the cabinet door key The new TCUA control board is intact Context Disconnect the power supply to the TCUA instead of the AC input to the power system Procedure Step 1 Connect the ground cable for the ESD wrist st...

Page 74: ...ussia Megafon User Manual 4 Maintenance Issue 03 2019 11 15 Copyright Huawei Technologies Co Ltd 67 Figure 4 16 Removing a TCUA Step 3 Remove the TCUA control board 1 Unscrew and remove the TCUA control board as shown in Figure 4 17 ...

Page 75: ...ntrol board 3 Record the positions of the jumper caps on the TCUA control board as shown in Figure 4 18 Figure 4 18 Jumper caps on the TCUA control board Step 4 Install a new TCUA control board 1 Set the jumper caps for the new TCUA control board based on the recorded positions 2 Install the new TCUA control board in the control box 3 Reconnect the cables between the TEC and the TCUA control board...

Page 76: ...es You have obtained an ESD wrist strap a pair of ESD gloves an ESD box or bag and the cabinet door key The new TEC is intact Context Disconnect the power supply to the TEC control box instead of the AC input to the power system Procedure Step 1 Disconnect the power supply to the TEC control box and record the cable information 1 Connect the ground cable for the ESD wrist strap and put on the ESD ...

Page 77: ...elecom Power Russia Megafon User Manual 4 Maintenance Issue 03 2019 11 15 Copyright Huawei Technologies Co Ltd 70 Figure 4 19 Removing the cover from the cabinet door 2 Unscrew and remove the TEC as shown in Figure 4 20 ...

Page 78: ...and tighten the screws 2 Place the cover on the cabinet door and tighten the screws Step 4 Connect the power cables to the TEC control box securely Step 5 Switch on the TEC circuit breaker on the DC PDU Step 6 Disconnect the ground cable for the ESD wrist strap and take off the ESD wrist strap and ESD gloves End Follow up Procedure Pack the removed component and return it to Huawei local warehouse...

Page 79: ...ter instead of the AC input to the power system Procedure Step 1 Connect the ground cable for the ESD wrist strap and put on the ESD wrist strap and ESD gloves Step 2 Record the positions of cables on the heater and disconnect the cables Step 3 Remove the heater as shown in Figure 4 21 Figure 4 21 Removing a heater Step 4 Install a new heater Step 5 Reconnect the cables to the heater based on the ...

Page 80: ...e available The new smoke sensor is intact Procedure Step 1 Connect the ground cable of the ESD wrist strap and wear the ESD wrist strap and ESD gloves Step 2 Remove the smoke sensor as shown in Figure 4 22 1 Remove the connected cables from the smoke sensor 2 Hold down the button on the smoke sensor and push the smoke sensor in the OPEN direction 3 Unscrew the smoke sensor base There are two type...

Page 81: ... base correctly and tighten the screws for it 2 Place the new smoke sensor correctly and press and push it in the CLOSE direction 3 Reconnect the removed cables to the smoke sensor Step 4 Disconnect the ground cable of the ESD wrist strap and remove the ESD wrist strap and ESD gloves End 4 4 13 Replacing a Door Status Sensor Prerequisites The cabinet door key and required tools are available The n...

Page 82: ...crew the alarm cables Step 3 Unscrew the door status sensor as shown in Figure 4 23 Figure 4 23 Removing the door status sensor Step 4 Remove the shell of the new door status sensor and remove the screws from the alarm cables Step 5 Properly place the new door status sensor at the installation position and tighten the screws Step 6 Place the alarm cables in sequence and secure the screws Step 7 Re...

Page 83: ...perature 40 to 70 Operating humidity 5 95 Storage humidity 5 95 Altitude 0 4000 m When the altitude ranges from 2000 m to 4000 m the operating temperature decreases by 1 C for each additional 200 m A 2 Electrical Specifications Table A 2 Electrical specifications Item Specifications AC input Input system 220 380 V AC three phase four wire compatible with 220 V AC single phase Input voltage 85 300 ...

Page 84: ...protection threshold 85 V AC AC input undervoltage recovery threshold When the voltage is restored to 90 V AC the output resumes DC output protection DC output overvoltage protection threshold 58 5 V DC to 60 5 V DC If overvoltage occurs due to an internal fault the rectifier locks out If the external voltage is higher than 63 V DC for more than 500 ms the rectifier locks out AC surge protection N...

Page 85: ...ducted susceptibility CS EN61000 4 6 Power port 10 V signal port 3 V criterion A Surge immunity IEC61000 4 5 AC and DC power ports differential mode 2 kV criterion B common mode 4 kV criterion B Signal port differential mode 0 5 kV criterion B common mode 1 kV criterion B Temporary voltage drop and voltage dip DIP EN61000 4 11 A 4 Cabinet Specifications Table A 4 Cabinet specifications Item Specif...

Page 86: ... The heater starts when the temperature is 0 C and stops when the temperature is 15 C Operating humidity 5 RH to 95 RH Heating power 500 W A 6 Intelligent Battery Detector Specifications Table A 6 Intelligent battery detector specifications Item Specifications Operating voltage 48 V DC Power consumption 5 W Operating environment 20 C to 65 C Humidity 5 RH to 95 RH Storage environment 40 C to 70 C ...

Page 87: ...nologies Co Ltd 80 Item Specifications Light source type Light emitting diode LED Luminosity 300 cd m2 at a distance of 500 mm away from the LED cover Dimensions L x maximum shape diameter 154 mm x 41 mm Structure A colorless and transparent lamp cover is used The lamp is hand held with a configured switch Service life 1000 h ...

Page 88: ...T15D3 Telecom Power Russia Megafon User Manual B Electrical Conceptual Diagram Issue 03 2019 11 15 Copyright Huawei Technologies Co Ltd 81 B Electrical Conceptual Diagram Figure B 1 Electrical conceptual diagram ...

Page 89: ...ontact inputs DIN1 Dry contact input 1 DIN2 Dry contact input 2 DIN3 Dry contact input 3 DIN4 Dry contact input 4 DIN5 Heater fault DIN6 Dry contact input 6 Dry contact outputs The default setting closed alarm open normal can be modified ALM1 Mains failure ALM2 DC overvoltage and undervoltage ALM3 Rectifier fault Rectifier communication failure ALM4 AC or DC SPD fault ALM5 Battery fuse blown load ...

Page 90: ...11 15 Copyright Huawei Technologies Co Ltd 83 D Cables Connection of TCUA Control Board Figure D 1 Cables Connection of TCUAControl Board 1 TEC refrigeration chip port 2 TEC internal circulation fan port 3 TEC external circulation fan port 4 Power input port 5 Communication port 6 TEC extra temperature sensor port ...

Page 91: ...y low voltage disconnection E EMC Electromagnetic compatibility EMI Electromagnetic interference EMS Electromagnetic susceptibility H HTTPS Hypertext Transfer Protocol Secure L LLVD Load low voltage disconnection I IEC International Electrotechnical Commission M MTBF Mean time between failures S SMU Site monitoring unit SNMP Simple Network Management Protocol SPD Surge protection device ...

Page 92: ...8200A HT15D3 Telecom Power Russia Megafon User Manual E Acronyms and Abbreviations Issue 03 2019 11 15 Copyright Huawei Technologies Co Ltd 85 T TCUA Temperature control unit A U UIM User interface module ...

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