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Nowadays, in order to purify the indoor environment and ensure the health of breathing, many friends will choose to install the fresh air system ventilation duct. The installation of the pipe really brings more convenience to our life. It not only provides us with fresh air, but also adjusts the indoor humidity. In order to help you better use the ventilation duct of the fresh air system, we specially arrange for you Installation and cleaning methods for your reference.

一、新風系統通風管道的安裝：

1、 Installation of ventilation duct of fresh air system:

1、要使設計的新風系統通風管道達到較低的風阻和噪音，新風輸出口、排風輸出口和主機之間的連接都應該采取安裝消聲器或用軟連接來連接。

1. In order to reduce the wind resistance and noise of the ventilation duct of the fresh air system, the connection between the fresh air outlet, exhaust outlet and the main engine should be installed with muffler or connected with soft connection.

2、對于新風系統主機安裝在吊頂上，應該在吊桿上安裝減震器。

2. For the main unit of fresh air system installed on the ceiling, shock absorber should be installed on the suspender.

3、新風系統主機、金屬風管都應該做保溫處理。

3. The main engine and metal air duct of fresh air system should be insulated.

新風系統風口的位置選擇：原則上要均勻

Location selection of air outlet of fresh air system: uniform in principle

4、新風系統風口的位置選擇：原則上要均勻，保障室內的新風量能夠達到平衡。不宜開風口處：風管的尾部、轉彎處和變徑處。

4. The location selection of fresh air system outlet: in principle, it should be uniform to ensure that the indoor fresh air volume can reach balance. Not suitable for tuyere opening: the tail of the air duct, turning and reducing.

5、新風系統風閥的安裝：近端與末端處主風管與支管交接處需要安裝風量調節閥，管道系統中間可以使用氣流導流片或風量調節閥。

5. Installation of air valve in fresh air system: air volume regulating valve shall be installed at the junction of main air duct and branch pipe at near end and end, and air guide vane or air volume regulating valve can be used in the middle of pipeline system.

6、新風系統通風管道之間相連接時應使用法蘭相連接，且應加橡膠填充條。

6. When the ventilation pipes of fresh air system are connected, they should be connected by flange, and rubber filler strip should be added.

7、新風系統主機用于隱蔽安裝時，需要預留維護檢修口。

7. When the main machine of fresh air system is used for concealed installation, it is necessary to reserve maintenance access.

二、新風系統通風管道的清洗：

2、 Cleaning of ventilation duct of fresh air system:

1、用裝有攝相頭的機器人進入管道拍攝記錄風管內污染狀況；根據住宅的建筑圖紙，會同客戶詳細制定管道清洗施工方案；

1. The robot equipped with camera head is used to enter the pipeline to shoot and record the pollution condition in the air duct; according to the building drawings of the residence, the construction scheme of pipeline cleaning is formulated in detail with the customer;

2、在新風系統通風管道適當部位開施工孔，在兩開孔位置外側用封堵氣囊堵住管道兩端；用軟管將集塵器連接到其中一個施工孔，使風管內產生負壓氣流，讓灰塵與污物被吸入集塵器內；選擇適當的清洗毛刷，用管道清洗機器人或軟軸毛刷進行管道清洗；清洗以后，由機器人拍照記錄，確認清洗質量；

2. Open construction holes at appropriate parts of ventilation pipes of fresh air system, and block both ends of pipes with blocking air bags outside the two opening positions; connect the dust collector to one of the construction holes with hose, so as to generate negative pressure air flow in the air duct, so that dust and dirt can be inhaled into the dust collector; select appropriate cleaning brush, and use pipeline cleaning robot or flexible shaft brush to clean the pipeline; after cleaning, the dust collector is connected to one of the construction holes The robot takes photos and records to confirm the cleaning quality;

3、當清洗質量被認可后，在清洗過的管道內噴灑消毒劑；清理、移動清洗設備到下一段管道清洗；用相同材料重新封閉開口處；清理修復風管被損保濕層；清潔場地，以保障不影響下一步工作。

3. After the cleaning quality is approved, spray disinfectant in the cleaned pipeline; clean and move the cleaning equipment to the next section of pipeline; re seal the opening with the same material; clean and repair the damaged moisture layer of air duct; clean the site to ensure that the next step work will not be affected.

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