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TP48120A-HD15A1, TP48120A-HD15A2,
TP48200A-HD15A1, and TP48200A-HD15A2 Telecom
Power
User Manual

4 Maintenance

Issue 03 (2020-01-04)

Copyright © Huawei Technologies Co., Ltd.

60

Figure 4-13

Disconnecting a fan power cable

Step 3

Disconnect the interconnection terminal from the fan power cable, and record the connection
position.

Step 4

Record the fan installation direction (the arrow mark on the fan), unscrew the fan, and remove
the fan cover and fan, as shown in

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Summary of Contents for Telecom Power TP48120A-HD15A1

Page 1: ...TP48120A HD15A1 TP48120A HD15A2 TP48200A HD15A1 and TP48200A HD15A2 Telecom Power User Manual Issue 03 Date 2020 01 04 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: ...d as follows Symbol 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...

Page 4: ...uawei Technologies Co Ltd iii Change History Changes between document issues are cumulative The latest document issue contains all the changes made in earlier issues Issue 03 2020 01 04 Optimized the content about rectifiers Issue 02 2014 04 15 Parts replacement is modified Issue 01 2014 02 19 This issue is the first official release ...

Page 5: ...ty 8 1 6 Battery Safety 11 2 Overview 15 2 1 Introduction 15 2 2 Model Number Description 16 2 3 Features 16 2 4 Working Principles 17 2 5 Configurations 17 3 Components 19 3 1 Interior 19 3 2 PDU 27 3 2 1 Battery Switch 28 3 3 Rectifier 28 3 4 SMU06C 29 3 5 TCU 34 3 5 1 Heat Exchanger 34 3 5 2 Direct Ventilation 34 3 5 3 Heater 35 3 6 Sensor and Lamp 36 3 6 1 Optional Smoke Sensor 36 3 6 2 Option...

Page 6: ...6 4 2 18 Smoke Alarm 46 4 2 19 Rect Fault 47 4 2 20 Rect Protection 47 4 2 21 Rect Comm Fault 47 4 2 22 AC SPD Alarm 48 4 2 23 DC SPD Alarm 48 4 3 Identifying Component Faults 48 4 3 1 Identifying AC SPD Faults 48 4 3 2 Identifying Circuit Breaker Faults 48 4 3 3 Identifying Rectifier Faults 48 4 3 4 Identifying SMU Faults 49 4 4 Parts Replacement 49 4 4 1 Replacing a Rectifier 49 4 4 2 Replacing ...

Page 7: ...D15A2 Telecom Power User Manual Contents Issue 03 2020 01 04 Copyright Huawei Technologies Co Ltd vi A Technical Specifications 68 B Electrical Conceptual Diagrams 72 C Associations between Alarms and the Dry Contacts on the UIM 73 D Acronyms and Abbreviations 74 ...

Page 8: ... injuries or property 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 us...

Page 9: ...elmet and shoes as shown in the following figure Use insulated tools or tools with insulated handles as shown in the following 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 a...

Page 10: ...r installing the equipment remove idle packing materials such as cartons foam plastics and cable ties from the equipment 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 precaut...

Page 11: ...rminal Indicates equipotential 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 saf...

Page 12: ...pecial equipment Professionals 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 meas...

Page 13: ...ct Before connecting 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 a...

Page 14: ...ensure that the cabinet 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 ...

Page 15: ... at heights Do not 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 th...

Page 16: ...sed ensure that the 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 ...

Page 17: ...ladder Drilling Holes 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 pr...

Page 18: ...assemble alter or damage 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 caus...

Page 19: ...batteries horizontally 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 Dur...

Page 20: ...ing or handling a battery 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...

Page 21: ...2 TP48200A HD15A1 and TP48200A HD15A2 Telecom Power User Manual 1 Safety Precautions Issue 03 2020 01 04 Copyright Huawei Technologies Co Ltd 14 When maintenance is complete return the waste lithium battery to the maintenance office ...

Page 22: ...he TP48120A HD15A1 TP48120A HD15A2 TP48200A HD15A1 and TP48200A HD15A2 are integrated communications power systems that supply power to and back up power for 48 V DC outdoor communications equipment The TP48120A HD15A1 TP48120A HD15A2 TP48200A HD15A1 and TP48200A HD15A2 have the same appearance as shown in Figure 2 1 Figure 2 1 TP48120A HD15A1 TP48120A HD15A2 TP48200A HD15A1 or TP48200A HD15A2 ...

Page 23: ...48120A HD15A2 model number description Figure 2 3 TP48200A HD15A1 and TP48200A HD15A2 model number description 2 3 Features Wide input voltage range of 85 300 V AC Comprehensive battery management Comprehensive AC and DC surge protection design One COM port and one RS485 RS232 port for network connection Huawei network management system NMS protocol for communicating with HUAWEI Network Ecosystem ...

Page 24: ...tifiers stop working and batteries start to power loads After the AC power resumes rectifiers power DC loads and charge batteries again The SMU monitors the operating status of each component in the power system in real time and performs appropriate intelligent control When detecting a fault the SMU generates an alarm The SMU monitors and regulates the temperature control unit based on the tempera...

Page 25: ...y sensor and water sensor Lamp Optional Batteries A maximum of two front access battery strings 12 V 150 Ah Class 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 sometime can occasionally reach 100 Class C environments refer to sea environments or outdoor land environ...

Page 26: ...Manual 3 Components Issue 03 2020 01 04 Copyright Huawei Technologies Co Ltd 19 3 Components 3 1 Interior Figure 3 1 shows the TP48120A HD15A1 interior Figure 3 2 shows the TP48120A HD15A2 interior Figure 3 3 shows the TP48200A HD15A1 interior Figure 3 4 shows the TP48200A HD15A2 interior ...

Page 27: ...04 Copyright Huawei Technologies Co Ltd 20 Figure 3 1 TP48120A HD15A1 interior 1 AC output circuit breakers and terminals 2 Maintenance socket 3 Load low voltage disconnection LLVD circuit breakers 4 AC surge protective device SPD 5 AC input circuit breakers 6 ESD wrist strap 7 Ground bar 8 Space for installing 9 Cable holes ...

Page 28: ...e 03 2020 01 04 Copyright Huawei Technologies Co Ltd 21 customer equipment 10 Space for installing batteries 11 Battery low voltage disconnection BLVD circuit breakers 12 Internal circulation fan 13 Battery circuit breakers 14 SMU06C 15 Rectifiers 16 RTN busbar 17 Heat exchanger core 18 External circulation fan ...

Page 29: ...ponents Issue 03 2020 01 04 Copyright Huawei Technologies Co Ltd 22 Figure 3 2 TP48120A HD15A2 interior 1 AC output circuit breakers and terminals 2 Maintenance socket 3 Load low voltage disconnection LLVD circuit breakers 4 AC surge protective device SPD 5 AC input circuit breakers 6 ESD wrist strap ...

Page 30: ...ei Technologies Co Ltd 23 7 Ground bar 8 Space for installing customer equipment 9 Cable holes 10 Space for installing batteries 11 Battery low voltage disconnection BLVD circuit breakers 12 Internal circulation fan 13 Battery circuit breakers 14 SMU06C 15 Rectifiers 16 RTN busbar 17 Heat exchanger core 18 External circulation fan 19 Heater ...

Page 31: ...04 Copyright Huawei Technologies Co Ltd 24 Figure 3 3 TP48200A HD15A1 interior 1 AC output circuit breakers and terminals 2 Maintenance socket 3 Load low voltage disconnection LLVD circuit breakers 4 AC surge protective device SPD 5 AC input circuit breakers 6 ESD wrist strap 7 Ground bar 8 Space for installing 9 Cable holes ...

Page 32: ...e 03 2020 01 04 Copyright Huawei Technologies Co Ltd 25 customer equipment 10 Space for installing batteries 11 Battery low voltage disconnection BLVD circuit breakers 12 Internal circulation fan 13 Battery circuit breakers 14 SMU06C 15 Rectifiers 16 RTN busbar 17 Heat exchanger core 18 External circulation fan ...

Page 33: ...04 Copyright Huawei Technologies Co Ltd 26 Figure 3 4 TP48200A HD15A2 interior 1 AC output circuit breakers and terminals 2 Maintenance socket 3 Load low voltage disconnection LLVD circuit breakers 4 AC surge protective device SPD 5 AC input circuit breakers 6 ESD wrist strap 7 Ground bar 8 Space for installing 9 Cable holes ...

Page 34: ... three phase four wire compatible with 220 V AC single phase AC input One 2 pole 63 A AC input circuit breaker One 3 pole 63 A AC input circuit breaker AC output One 1 pole 16 A AC output circuit breaker reserved One 16 A maintenance socket One 1 pole 16 A AC output circuit breaker used for the heater One 16 A maintenance socket One 1 pole 16 A AC output circuit breaker reserved One 16 A maintenan...

Page 35: ...stem is under automatic control Open the panel and flip the battery switch to MANUAL only when you need to forcibly power on batteries Flip the battery switch back to AUTO after the commissioning 3 3 Rectifier Rectifiers convert AC input into stable DC output Figure 3 6 Rectifier 1 Power indicator 2 Alarm indicator 3 Fault indicator 4 Locking latch 5 Handle Table 3 2 Rectifier indicators Indicator...

Page 36: ...erated Steady on The rectifier generates an alarm for power limiting due to ambient overtemperature The rectifier generates an alarm for shutdown due to ambient overtemperature or undertemperature The rectifier protects against AC input overvoltage or undervoltage The rectifier is hibernating Blinking at 0 5 Hz The communication between the rectifier and the SMU is interrupted Fault indicator Red ...

Page 37: ...n Name Description Up Turns to the previous menu or sets parameter values When setting parameter values you can hold down to quickly adjust values Down Turns to the next menu or sets parameter values When setting parameter values you can hold down to quickly adjust values Back Returns to the previous menu without saving the settings Confirm Enters the main menu from the standby screen Enters a sub...

Page 38: ...cations port description Port Communications Parameters Communications Protocol Function COM port Baud rate 9600 bit s and 19 200 bit s Modbus protocol Connects to lower level devices such as the battery voltage detector DC Air Conditioner RS485 RS232 port Baud rate 9600 bit s and 19 200 bit s NetEco NMS YDN1363 and Modbus protocol Connects to upper level device such as BBU PSNU Table 3 6 Descript...

Page 39: ...4 RS485_R Receives data 5 RS485_R 6 GND Signal ground 7 RS232_T Sends data 8 NC Table 3 7 Dry contacts description Port Type Silk Screen Description Dry contact input ports DIN1 NOTE For details about the alarms associated with dry contact inputs see the appendix DIN2 DIN3 DIN4 DIN5 DIN6 Dry contact output ports ALM1 NOTE For details about the alarms associated with dry contact outputs see the app...

Page 40: ...es Co Ltd 33 Figure 3 9 Sensors Ports Table 3 8 Sensors ports description Silk Screen Description No Pin Definition TEM HUM Ambient temperature and humidity sensor 1 12V 2 ENV_TEMP 3 12V 4 ENV_HUM WATER Water sensor 1 12V 2 WATER 3 GND 4 GATE Door status sensor 1 GATE 2 GATE SMOKE Smoke sensor 1 SMOKE 2 12V BTEMP Battery temperature sensor 1 BTEMP1 2 GND ...

Page 41: ...l circulation natural air is drawn by the fan under the heat exchanger into the heat exchanger 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 10 shows the heater exchanger working principles Figure 3 10 Heater exchanger working principles 3 5 ...

Page 42: ...t 3 5 3 Heater A heater assembly unit HAU is adopted to ensure a proper operating temperature for the equipment inside the cabinet Figure 3 11 Heater 1 Indicator 2 Alarm dry contact 3 Control dry contact 4 AC input port Table 3 9 Indicator description Silk Screen Color Status Description RUN Green Steady on The heater is powered on and takes a self test Off The heater is not powered on ALM Red Off...

Page 43: ...2 Telecom Power User Manual 3 Components Issue 03 2020 01 04 Copyright Huawei Technologies Co Ltd 36 3 6 Sensor and Lamp 3 6 1 Optional Smoke Sensor Figure 3 12 Smoke sensor 1 1 Wiring port 2 Base 3 Indicator Figure 3 13 Smoke sensor 2 1 Wiring port 2 Base 3 Indicator ...

Page 44: ...TP48200A HD15A2 Telecom Power User Manual 3 Components Issue 03 2020 01 04 Copyright Huawei Technologies Co Ltd 37 3 6 2 Optional Temperature and Humidity Sensor Figure 3 14 Temperature and humidity sensor 1 Figure 3 15 Temperature and humidity sensor 2 ...

Page 45: ...elecom Power User Manual 3 Components Issue 03 2020 01 04 Copyright Huawei Technologies Co Ltd 38 3 6 3 Battery Temperature Sensor Figure 3 16 Battery temperature sensor 3 6 4 Optional Water Sensor Figure 3 17 Water sensor 3 6 5 Optional Lamp Appearance Figure 3 18 Lamp ...

Page 46: ...y observing Thick dust accumulates on the fan surface Clean up the dust from the fan The fan surface is intact and the rotational speed noise and vibration is in the normal range By observing and listening to the fans The fan is damaged the noise is too loud or the vibration is abnormal Replace the fan Heat exchanger Dust accumulates on the surface of the heat exchanging core By observing or check...

Page 47: ...equipment room By observing the grounding and using a screwdriver or wrench The cable connecting the ground point and the ground bar in the equipment room is loose or damaged Secure the ground point or replace the cable 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 mains grid is faulty Measures 1 Check wheth...

Page 48: ... AC input fault 4 2 4 DC Over Volt Possible Causes The DC overvoltage alarm threshold is not set properly on the SMU The power system voltage is set too high in manual mode Rectifiers are faulty Measures 1 Check whether the DC overvoltage alarm threshold 58 V DC by default is properly set If no adjust it to a proper value 2 Check whether the system voltage is set too high in manual mode If yes con...

Page 49: ...on interruption If yes remove the rectifier and reinstall it to check whether the alarm is cleared If the alarm still exists replace the rectifier 2 Remove the SMU and reinstall it to 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 occurs Loads are manually disconnected The load disconnection voltage is set to...

Page 50: ... Check whether the load current is greater than the current power system capacity If yes expand the power system capacity or reduce the load power 4 2 9 Batt Loop Trip Possible Causes The battery circuit breaker trips or battery fuse detection cable is disconnected The battery circuit breaker trips or battery fuse is blown The contactor is faulty Measures 1 Check whether the battery circuit breake...

Page 51: ...cated The ambient temperature sensor is faulty Measures 1 Check whether the ambient undertemperature alarm threshold 20 C by default is properly set on the SMU If no adjust it based on site requirements 2 Check whether the temperature control system in the cabinet is faulty If yes rectify the fault The alarm is cleared when the cabinet temperature falls within the allowed range 3 Check whether the...

Page 52: ...ace the humidity sensor 4 2 14 Batt High Temp This alarm is generated only for the power system that has battery temperature sensor installed Possible Causes The battery overtemperature alarm threshold is not set properly on the SMU The battery temperature controlling system is faulty The battery temperature sensor is faulty Measures 1 Check whether the battery overtemperature alarm threshold 50 C...

Page 53: ...nly for the power system that has door status sensor installed Possible Causes The cabinet doors are open The door status sensor is faulty Measures 1 Close cabinet doors 2 Check whether the door status sensor is faulty If yes replace the door status sensor 4 2 17 Water Alarm This alarm is generated only for the power system that has water sensors installed Possible Causes Water intrudes into the c...

Page 54: ...ectifier input voltage is too high The rectifier input voltage is too low The ambient temperature is too high The rectifier is abnormal Measures 1 Check whether the AC input voltage exceeds the upper threshold of the rectifier working voltage If yes rectify the power supply fault and then resume the power supply 2 Check whether the AC input voltage is below the lower threshold of the rectifier wor...

Page 55: ... cable is disconnected If yes reconnect the cable 2 Check whether the DC SPD detection cable is disconnected If no replace the DC SPD 4 3 Identifying Component Faults 4 3 1 Identifying AC SPD Faults Check the color of the AC SPD indication window Green indicates that the AC SPD is normal Red indicates the AC SPD is faulty 4 3 2 Identifying Circuit Breaker Faults The following lists main circuit br...

Page 56: ...operated With the alarm reporting enabled the SMU does not report alarms when the power system is faulty The SMU reports an alarm while the power system does not experience the fault The SMU fails to communicate with the connected lower level devices while the communications cables are correctly connected Communication between the SMU and all rectifiers fails while both the rectifiers and the comm...

Page 57: ... towards the left Step 3 Gently draw the handle outwards and then remove the rectifier from the subrack as shown in Figure 4 1 Figure 4 1 Removing a rectifier Step 4 Push the locking latch on the new rectifier towards the left and pull out the handle Step 5 Place the new rectifier at the entry to the correct slot Step 6 Gently slide the converter into the slot along guide rails until it is engaged...

Page 58: ...ll the LCD flat cable with excessive force 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 SMU06C parameters Step 3 Flip the battery switch to MANUAL Step 4 Record the position of the signal cable connected to the SMU06C and disconnect the signal cable Step 5 Unscrew and remove the SMU06C as shown in Figure 4 3 Figure 4 ...

Page 59: ...e 03 2020 01 04 Copyright Huawei Technologies Co Ltd 52 Figure 4 4 Disconnecting an LCD flat cable Step 8 Unscrew and remove the cover on the main control board as shown in Figure 4 5 Figure 4 5 Removing the Cover from the Main Control Board Step 9 Unscrew and remove the main control board as shown in Figure 4 6 ...

Page 60: ...ll the cover on the main monitoring board Step 14 Insert the SMU06C and tighten the screws Step 15 Connect the signal cable to the SMU06C based on the recorded information Step 16 Flip the battery switch back to AUTO Step 17 Set SMU parameters again Step 18 Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and ESD gloves End Follow up Procedure Pack the removed ...

Page 61: ...the SMU06C as shown in Figure 4 3 Step 5 Disconnect cables from all the input ports on the SMU06C backplane Step 6 Record the positions of all cables connected to the fan extended board label the cables and remove the cables Step 7 Unscrew and remove the fan extended board as shown in Figure 4 7 Figure 4 7 Removing a fan extended board Step 8 Place the new fan extended board and tighten the screws...

Page 62: ...AC input to the power system Do not pull the LCD flat cable with excessive force Procedure Step 1 Connect the ground cable for the ESD wrist strap and put on the ESD wrist strap and ESD gloves Step 2 Flip the battery switch to MANUAL Step 3 Record the position of the signal cable connected to the SMU06C and disconnect the signal cable Step 4 Unscrew and remove the SMU06C as shown in Figure 4 3 Ste...

Page 63: ...the LCD flat cable 1 Insert the LCD flat cable into the connector levelly and gently 2 Press the latch lock on the connector to lock the LCD flat cable Step 11 Connect cables to all the input ports on the SMU06C backplane Step 12 Install the cover on the main control board Step 13 Insert the SMU06C and tighten the screws Step 14 Connect the signal cable to the SMU06C based on the recorded informat...

Page 64: ... door key The new AC SPD module is intact and the indication window is green Do not replace an AC SPD module during a thunderstorm Procedure Step 1 Connect the ground cable to the ESD wrist strap and wear the ESD wrist strap and ESD gloves Step 2 Hold down the faulty AC SPD module and pull it out as shown in Figure 4 10 Step 3 Install a new AC SPD module as shown in Figure 4 10 Figure 4 10 Replaci...

Page 65: ... 4 Loosen the screw that secures the upper port of the circuit breaker by using a Phillips screwdriver and remove the power cable and signal cable terminals Wrap the cable and terminals by using the insulation tape to prevent hazards Step 5 Loosen the screw that secures the lower port of the circuit breaker by using a Phillips screwdriver and loosen the buckle at the circuit breaker base by using ...

Page 66: ...Installing the circuit breaker Step 11 Place the cover before the circuit breaker and tighten the screws for it End 4 4 7 Replacing the Internal Circulation 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 a tool kit The new fan is intact Install the fan according to airflow directions Do not install the fa...

Page 67: ...pyright Huawei Technologies Co Ltd 60 Figure 4 13 Disconnecting a fan power cable Step 3 Disconnect the interconnection terminal from the fan power cable and record the connection position Step 4 Record the fan installation direction the arrow mark on the fan unscrew the fan and remove the fan cover and fan as shown in Figure 4 14 ...

Page 68: ...03 2020 01 04 Copyright Huawei Technologies Co Ltd 61 Figure 4 14 Removing an internal circulation fan Step 5 Place the new fan based on the recorded installation direction the arrow mark on the fan place the fan cover and tighten the screws as shown in Figure 4 15 Figure 4 15 Installing an internal circulation fan ...

Page 69: ...able from the ESD wrist strap and take off the ESD wrist strap and ESD gloves End 4 4 8 Replacing the External Circulation 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 a tool kit The new fan is intact Install the fan according to airflow directions Do not install the fan reversely Context You need only ...

Page 70: ...terconnection terminal from the fan power cable and record the connection position Step 4 Record the fan installation direction the arrow mark on the fan unscrew the fan and remove the fan cover and fan as shown in Figure 4 17 Figure 4 17 Removing an external circulation fan Step 5 Place the new fan based on the recorded installation direction the arrow mark on the fan place the fan cover and tigh...

Page 71: ...tighten the screws Step 9 Connect the signal cable to the SMU06C based on the recorded information Step 10 Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and ESD gloves End 4 4 9 Replacing the Heat Exchanger Core Prerequisites You have obtained a pair of protective gloves the cabinet door key and tools Protect yourself from being burnt when removing the heat ...

Page 72: ... Figure 4 19 Removing a heat exchanging core Step 2 Clean the heat exchanging core or replace it with a new one Step 3 Install the heat exchanging core End 4 4 10 Replacing a Battery Temperature Sensor Prerequisites Prepare an ESD wrist strap a pair of ESD gloves an ESD box or bag the cabinet door key and tools Check that the new battery temperature sensor is intact ...

Page 73: ...ies Co Ltd 66 Procedure Step 1 Connect the ground cable for the ESD wrist strap and put on the ESD wrist strap and ESD gloves Step 2 Remove the battery temperature sensor cable from the UIM as shown in Figure 4 20 Figure 4 20 Removing the battery temperature sensor cable Step 3 Cut off the cable tie of the battery temperature sensor and remove the sensor ...

Page 74: ...echnologies Co Ltd 67 Figure 4 21 Position of the battery temperature sensor Step 4 Properly place the new battery temperature sensor and bind it securely with a cable tie Step 5 Reconnect the battery temperature sensor cable to the UIM Step 6 Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and ESD gloves End ...

Page 75: ...15A2 40 C to 45 C 1120 W m2 solar radiation Transportation temperature 40 C to 70 C Storage temperature 40 C to 70 C 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 Table A 2 Electrical specifications Item Specifications AC input Input system TP48120A HD15A1 220 V AC ...

Page 76: ...input overvoltage protection threshold 300 V AC AC input overvoltage recovery threshold When the voltage is restored to 290 V AC the output resumes AC input undervoltage 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...

Page 77: ...t 2 kV criterion B Radiated susceptibility RS EN61000 4 3 Field strength 10 V m criterion A Conducted 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 Voltage dips DIP EN61000 4 11 Ta...

Page 78: ...ure 40 C to 65 C Heater start and stop temperatures The heater starts at 0 C and stops at 15 C Operating humidity 5 95 RH Heating power 500 W Table A 6 Lamp specifications Item Specifications Rated voltage 48 V DC Operating current 20 mA Power consumption 1 W 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...

Page 79: ...o Ltd 72 B Electrical Conceptual Diagrams Figure B 1 shows the electrical conceptual diagram of the TP48120A HD15A1 or TP48120A HD15A2 Figure B 2 shows the electrical conceptual diagram of the TP48200A HD15A1 or TP48200A HD15A2 Figure B 1 TP48120A HD15A1 or TP48120A HD15A2 electrical conceptual diagram Figure B 2 TP48200A HD15A1 or TP48200A HD15A2 electrical conceptual diagram ...

Page 80: ...Associated Alarm Dry Contact input port DIN1 Dry Contact input 1 DIN2 Dry Contact input 2 DIN3 Dry Contact input 3 DIN4 Dry Contact input 4 DIN5 Dry Contact input 5 DIN6 Dry Contact input 6 Dry Contact output port closed alarm open normal can be modified by customers ALM1 AC power failure alarm ALM2 DC overvoltage or undervoltage alarm ALM3 Rectifier fault alarm ALM4 AC or DC SPD fault alarm ALM5 ...

Page 81: ...Acronyms and Abbreviations B BLVD battery low voltage disconnection E EMC electromagnetic compatibility EMI electromagnetic interference EMS electromagnetic susceptibility H HAU heater assembly unit HTTPS hypertext transfer protocol secure I IEC international electrotechnical commission L LLVD load low voltage disconnection M MTBF mean time between failures S SMU site monitoring unit ...

Page 82: ... HD15A2 TP48200A HD15A1 and TP48200A HD15A2 Telecom Power User Manual D Acronyms and Abbreviations Issue 03 2020 01 04 Copyright Huawei Technologies Co Ltd 75 SNMP simple network management protocol SPD surge protection device ...

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