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?

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 powerB . The maintenance bypass switch can also be disconnected when the bypass module is abnormalC ....

September 8, 2024 No Comments READ MORE +

When the NETCOL5000-A air conditioner is turned on for commissioning, the possible cause of the exhaust high pressure alarm, which is incorrect?

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 startedB . Outdoor fan speed pot bottomC . Too much cold dish chargeD . Too little cold dish chargeView AnswerAnswer: D

September 7, 2024 No Comments READ MORE +

Three groups of 9AH battery packs are connected in parallel to UPS2000-G-6KVA, the battery capacity should be set to ().

Three groups of 9AH battery packs are connected in parallel to UPS2000-G-6KVA, the battery capacity should be set to ().A . 9AHB . 18AHC . 27AHD . 32AHView AnswerAnswer: C

September 5, 2024 No Comments READ MORE +

When installing NETECL5000-A35KW, generally at least pre-charge () KG refrigerant.

When installing NETECL5000-A35KW, generally at least pre-charge () KG refrigerant.A . 5B . 8C . 10D . 12View AnswerAnswer: C

September 4, 2024 No Comments READ MORE +

Which of the following options belongs to the natural cooling system?

Which of the following options belongs to the natural cooling system?A . Direct Ventilation Air Conditioning SystemB . Water-cooled air-conditioning seriesC . Water-cooled cold water air seriesD . Air-cooled upright is an air-conditioning systemView AnswerAnswer: A

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When creating a camera in NETECO, in addition to obtaining the IP address of the camera, you also need to obtain ().

When creating a camera in NETECO, in addition to obtaining the IP address of the camera, you also need to obtain ().A . Camera pixelsB . Camera EncodingC . Camera installation locationD . Camera HeightView AnswerAnswer: B

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The user can modify the IP address of the ECC800 from the () menu on the ECC800WEB interface.

The user can modify the IP address of the ECC800 from the () menu on the ECC800WEB interface.A . Micro module settingsB . Video IP settingsC . Time settingD . Monitoring module IPView AnswerAnswer: D

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The function of the check valve in the NetCol5000-A air conditioning system is ( ).

The function of the check valve in the NetCol5000-A air conditioning system is ( ).A . Filtration of impurities in the systemB . Controlling refrigerant flowC . Effective control of gas or liquid backflowD . Protect the water pumpView AnswerAnswer: C

September 3, 2024 No Comments READ MORE +

Which of the following features are standard features of NETCOL8000-C air conditioners?

Which of the following features are standard features of NETCOL8000-C air conditioners?A . Dual power supplyB . Water Immersion SensorC . G4-level filterD . Humidification functionView AnswerAnswer: C

September 3, 2024 No Comments READ MORE +

The () components of Huawei NETCOL5000-A in-line precision air conditioner are optional parts.

The () components of Huawei NETCOL5000-A in-line precision air conditioner are optional parts.A . FanB . EvaporatorC . CompressorD . Electric heatingView AnswerAnswer: D

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