Which of the following descriptions for the configuration of the PDU8000 modular precision power distribution cabinet is correct?
- A . Modular precision power distribution cabinet supports single and dual input
- B . Modular precision power distribution cabinet supports up to 4 output modules
- C . The output module of the modular precision power distribution cabinet only supports 1P air switch
- D . The input modules of the modular precision power distribution cabinet are MCCB and ATS.
If the customer’s load cannot be powered off, what should be paid attention to disconnecting the maintenance bypass switch after the maintenance is completed?
- A . The circuit module is normal and can supply power
- B . The maintenance bypass switch can also be disconnected when the bypass module is abnormal
- C . EPO filling can break the maintenance switch
- D . The battery input is normal
The default battery charging voltage of UPS2000-G is () V/CELL.
- A . 2.25
- B . 2.35
- C . 2.45
- D . 2.15
Which of the following features are standard features of NETCOL8000-C air conditioners?
- A . Dual power supply
- B . Water Immersion Sensor
- C . G4-level filter
- D . Humidification function
Three groups of 9AH battery packs are connected in parallel to UPS2000-G-6KVA, the battery capacity should be set to ().
- A . 9AH
- B . 18AH
- C . 27AH
- D . 32AH
The straight pipe distance of NETCOL5000-C pipeline fixed title is ().
- A . 3200MM
- B . 3000MM
- C . 2600MM
- D . 2500MM
When the outdoor units of Huawei air-cooled air conditioners are installed horizontally, the distance between the two outdoor units is ≥ () MM.
- A . 400
- B . 800
- C . 1200
- D . 2000
When the internal short circuit of the battery occurs, the charging voltage of the faulty battery (), the open circuit voltage is low (generally less than 1V/CELL).
- A . high
- B . unchanged
- C . low
- D . is all possible
In the naming of UPS5000-E-120K-HASBS, the meaning of the letter E is ().
- A . 208V voltage body
- B . E-Series Modular UPS
- C . Input switch type is ATS
- D . Input switch type is MCCB
The () components of Huawei NETCOL5000-A in-line precision air conditioner are optional parts.
- A . Fan
- B . Evaporator
- C . Compressor
- D . Electric heating
The function of the check valve in the NetCol5000-A air conditioning system is ( ).
- A . Filtration of impurities in the system
- B . Controlling refrigerant flow
- C . Effective control of gas or liquid backflow
- D . Protect the water pump
The height of the ECC800 collector is () U.
- A . 1
- B . 2
- C . 3
- D . 4
The terminal power of the battery in the open circuit state is called ().
- A . Rated voltage
- B . Discharge voltage
- C . Open-circuit voltage
- D . Actual voltage
On the NETECO interface, a module can only bind () ECC800 devices.
- A . 1
- B . 2
- C . 3
- D . 4
The maximum effective distance of WIFI supported by NETECO’s mobile APP is () meters.
- A . 20
- B . 30
- C . 40
- D . 50
In the battery model 6-GFM-150, the 150 mark is the ( ) of the battery.
- A . actual capacity
- B . rated capacity
- C . maximum capacity
- D . minimum capacity
Which is not part of the routine maintenance item of the ECC800 power module?
- A . Check if the power indicator light is normal
- B . Check the ECC800 module fan
- C . Check whether the power wiring is loose
- D . Create a micromodule plan view
Modifying the micro-module layout view on ECC800 supports simultaneous editing by ( ) users.
- A . 1
- B . 2
- C . 3
- D . 4
Which of the following air supply methods must have a reasonable raised floor height?
- A . Air supply from the upper hood
- B . Underfloor air supply
- C . Upper air duct supply
- D . Row-level horizontal air supply
In the () setting interface, you can set the linkage rules of the multi-function sensor and the sunroof.
- A . PLC
- B . WIFI management
- C . Access control user management
- D . Version Information
When the Huawei air-cooled air-conditioning compressor is turned on for the first time, the crankcase heating belt needs to be preheated for more than () hours.
- A . 2
- B . 6
- C . 12
- D . 24
The multi-function sensor in the modular channel of Fusion Module2000 can be connected to the () component.
- A . Cabinet collector
- B . WIFI converter
- C . Only ETH socket
- D . Access Control Actuator
When creating a camera in NETECO, in addition to obtaining the IP address of the camera, you also need to obtain ().
- A . Camera pixels
- B . Camera Encoding
- C . Camera installation location
- D . Camera Height
Users can modify the login password in the () menu of the ECC800 WEB interface.
- A . Version information
- B . Electronic label
- C . User Management
- D . System upgrade
The user can log in to the WEB interface of ( ) to view the operating status of the device in the micro-module.
- A . Water Immersion Sensor
- B . ECC800
- C . Cabinet electronic lock
- D . Sound and light alarm
When a user uses the NETECC APP on the PAD to query the PUE information in the current computer room, he needs to click the () menu.
- A . Alert
- B . Energy consumption
- C . Monitoring
- D . more
When installing NETECL5000-A35KW, generally at least pre-charge () KG refrigerant.
- A . 5
- B . 8
- C . 10
- D . 12
One NetCol520 chilled water distribution units can maximum support () NETCOL5000-C water-cooled row-level precision air conditioners.
- A . 12
- B . 10
- C . 8
- D . 6
When the device interface uses the MODBUS-RTU protocol, ( ) needs to be installed when connecting to the ECC800.
- A . ETH Converter
- B . Access Control Actuator
- C . Sunroof Actuator
- D . AC Actuator
When a fire breaks out in the box and the fire extinguishing device releases the fire extinguishing agent into the protection area, ( ) will display the words "In The Vent, Do Not Enter".
- A . Fire alarm
- B . Sound and light alarm
- C . Deflation indicator light
- D . Emergency Lights
Which of the following air-conditioning systems need to be equipped with cooling towers and dry coolers?
- A . Direct Ventilation Air Conditioning System
- B . DX air-cooled type
- C . CW air-cooled type
- D . DX water-cooled type
Regarding the integrated UPS5000-E120K-HASBS statements, which of the following is incorrect?
- A . Support intelligent battery management, the number of battery cells can be adjusted
- B . Support incoming line
- C . ATS does not support manual switching
- D . The power statistics interface can display the power of each output branch
When the battery status of the UPS2000G is NA, it may be ().
- A . The battery is not connected
- B . Battery Low Voltage
- C . The battery connection is normal
- D . The battery N line is not connected
The humidifier used by NETCOL8000-A is ().
- A . Electrode humidifier
- B . Infrared humidifier
- C . Wet film humidifier
- D . High pressure mist humidifier
The signal processing of the UPS5000-E will centralize control:
- A . Energy Control Module ECM
- B . Power Module
- C . Bypass Module
- D . Maintenance Bypass Module
The damage of NETCOL5000-C thermal insulation cotton may cause:
- A . The fan noise is too loud
- B . The drainage capacity of the equipment is significantly reduced
- C . Pipeline condensation
- D . The fan is blocked
The smart ETH socket supports up to () cascades.
- A . 8
- B . 16
- C . 32
- D . 64
The user can modify the IP address of the ECC800 from the () menu on the ECC800WEB interface.
- A . Micro module settings
- B . Video IP settings
- C . Time setting
- D . Monitoring module IP
For storage batteries that have been stored for 18 months or more and have not been charged during the period, what should be dealt with?
- A . No need to deal with, use as soon as possible
- B . Need to supplement point processing, use it as soon as possible
- C . Need to be activated, use as soon as possible
- D . do scrap treatment
NETCOL5000-C temperature and humidity sensor dial-code setting error may cause:
- A . Water leakage at the bottom of the device
- B . The return air temperature or fan speed fluctuates greatly
- C . The drainage capacity of the equipment is significantly reduced
- D . The temperature and humidity sensor cannot detect the temperature and humidity
Which of the following components can control the lighting in the computer room and control the PAD charging?
- A . Access Control Actuator
- B . Actuator
- C . Cabinet collector
- D . Smart ETH socket
Which of the following options belongs to the natural cooling system?
- A . Direct Ventilation Air Conditioning System
- B . Water-cooled air-conditioning series
- C . Water-cooled cold water air series
- D . Air-cooled upright is an air-conditioning system
When the NETCOL5000-A air conditioner is turned on for commissioning, the possible cause of the exhaust high pressure alarm, which is incorrect?
- A . The outdoor fan cannot be started
- B . Outdoor fan speed pot bottom
- C . Too much cold dish charge
- D . Too little cold dish charge
The function of the SW button on the ECC800 is ( ).
- A . Restore default IP address
- B . Wireless networking pairing
- C . Device software upgrade
- D . Clear the alarm
When a fire occurs in the box, ( ) is used to start the gas fire extinguishing device in an emergency.
- A . Emergency stop button/manual deflation button
- B . Fire Cylinders
- C . Pressure switch
- D . Solenoid valve
In ECO mode, when the input is stable, the UPS works in () state.
- A . Main circuit inverter
- B . Bypass
c. battery - C . Maintenance Bypass
The principle of the ( ) humidifier is that the high infrared light makes the water surface release water vapor and diffuse into the airflow that needs to be humidified.
- A . Electrodes
- B . Humidity
- C . High pressure spray
- D . Infrared
The ECC800 is equipped with a SIM card, the SIM card should be installed in ().
- A . ECC800 power module slot
- B . The slot on the left side of the ECC800 main control module
- C . Below the ECC800 antenna
- D . USB interface
During the use of the battery pack, the appearance is normal, but there is no current during charging, the voltage drops to 0 at the moment of discharge, and the battery pack cannot be discharged. Which of the following situations may occur?
- A . Open circuit in the battery pack
- B . Sulfation
- C . Backward battery
- D . Battery leakage
The rated voltage of the cell (CELL) in the VRLA battery is ().
- A . 12V
- B . 6V
- C . 2V
- D . 1V