- All Exams Instant Download
When Huawei air-cooled air conditioner is installed, the required time for maintaining positive pressure in the refrigerant pipeline is () hours.
When Huawei air-cooled air conditioner is installed, the required time for maintaining positive pressure in the refrigerant pipeline is () hours.A . 8B . 12C . 24D . 36View AnswerAnswer: C
Which of the following is not the reason why the water tray of NETCOL8000-A infrared humidifier is not filled with water?
Which of the following is not the reason why the water tray of NETCOL8000-A infrared humidifier is not filled with water?A . The water injection pipe is blockedB . Infrared tube damageC . The water pressure is abnormalD . The valve of the water inlet pipe is not openView AnswerAnswer:...
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?
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 packB ....
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
The terminal power of the battery in the open circuit state is called ().
The terminal power of the battery in the open circuit state is called ().A . Rated voltageB . Discharge voltageC . Open-circuit voltageD . Actual voltageView AnswerAnswer: C
The AI/DI port on the access control actuator supports to connect the ().
The AI/DI port on the access control actuator supports to connect the ().A . IC card readerB . Fingerprint ReaderC . Door open buttonD . Electronic magnetic lockView AnswerAnswer: C
If the FusionModule800 adopts the down pipe, what is the minimum raised floor height?
If the FusionModule800 adopts the down pipe, what is the minimum raised floor height?A . 100mmnB . 500mmC . 250mmView AnswerAnswer: C
The maximum effective distance of WIFI supported by NETECO's mobile APP is () meters.
The maximum effective distance of WIFI supported by NETECO's mobile APP is () meters.A . 20B . 30C . 40D . 50View AnswerAnswer: D
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
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.
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 . 2B . 6C . 12D . 24View AnswerAnswer: C
