Haier 1U25S2SQ1FA [8/54] English
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Haier 1U25S2SQ1FA [8/54] English

Haier 1U25S2SQ1FA [8/54] English
 

             

 
 
   

 
 

 
 

           
 

 



 






                



                 






                   
                 



 
 

 
 


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Electrical Safety Requirements Note 1 The surrounding conditions ambient temperature direct sunlight and rainwater electrical wiring with effective protective measures being taken 2 Copper wire cable in line with local standards shall be used as the power line and connector wire 3 Both the indoor unit and outdoor unit shall be reliably earthed shall be noticed during 4 Wiring for the outdoor unit shall be made first and then the indoor unit The air conditioner can only be powered on after wiring and pipe connection 5 The dedicated branch circuit must be used and leakage protector with sufficient capacity must be installed Qualification Requirements of Installer Relevant qualification certificate must be obtained as per national laws and regulations English Indoor Unit Installation 1 Fixation of wall panel and piping layout In case of left right water pipe connection for the indoor unit or in case the evaporator interface of the indoor unit and the horn mouth of the connecting piping cannot be extended to the outdoor side for installation the connector pipes shall be connected to the evaporator piping interface of the indoor unit in the process of horn mouth 2 Piping layout During layout of connecting pipes drain hose and connector wires the drain hose and connecting wire shall be placed at the bottom and top respectively The power line cannot be twined with the connector wire The drain pipes especially inside the room and machine must be winded with thermal insulation materials 3 Nitrogen charging for pressure maintaining and leak detection After the evaporator of the indoor unit is connected to the connector pipe after welding nitrogen more than 4 0MPa shall be charged inside the evaporator and the piping connected to evaporator with a nitrogen cylinder adjusted by a reducing valve Afterwards the valve of the nitrogen cylinder shall be closed for leak detection with soapy water or leak detecting solution The pressure shall be maintained for more than 5 minutes and then whether the system pressure is reduced or not shall be observed In case the pressure is reduced leakage can be identified After the leak point is handled the steps above shall be repeated After the evaporator of the indoor unit is connected to connecting piping nitrogen shall be charged for pressure maintaining and leak detection Afterwards the evaporator shall be connected to the two way stop valve and three way stop valve of the outdoor unit After the copper cap of the connecting piping is fastened nitrogen more than 4 0MPa shall be charged at the access hole of the three way stop valve with a charging hose The valve of the nitrogen cylinder shall be closed for leak detection with soapy water or leak detecting solution The pressure shall be maintained for more than 5 minutes and then whether the system pressure is reduced or not shall be observed In case the pressure is reduced leakage can be identified After the leak point is handled the steps above shall be repeated The operation above can also be completed after the indoor unit is connected to the connecting pipelines and the two way stop valve and three way stop valve of the outdoor unit after the access hole of the outdoor unit is connected to the nitrogen cylinder and pressure gauge and after more than 4 0MPa nitrogen is charged No leak points are identified in the leak detection at the joint welding junction of the indoor unit and at the joint of connecting pipelines of the two way stop valve and three way stop valve of the outdoor unit It must be guaranteed that each joint is available for leak detection during installation The next step vacuumizing with a vacuum pump can only be continued after the installation steps nitrogen charging for pressure maintaining and leak detection normal are completed 1 Outdoor Unit Installation Fixation and connection Note a Fire source shall be avoided within 3m around the place of installation b The leak detection equipment of refrigerant shall be placed at a low position in the outdoor and shall be opened 5

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