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SDi Decades Extreme Service Manual www.ecoer.com
May. 2023Manufacturer reserves the right to change specifications or designs without notice.
7. Blowhole setting
8. The end of drainage pipe shall not contact with ground directly.
Refer the introduction to the insulation engineering parts on page 53.
5.5.3 Insulation work of drainage pipe
• The orrect installation will not cause converse water flow and the slope of the branch pipes can be adjusted
freely.
• The false installation will cause converse water flow and the slope of the branch pipe can not be ad- justed.
• If the indoor unit has high extra static pressure and without water pump to elevate the condensate water,
such as high extra static pressure duct unit , the water storage pipe should be set to avoid converse flow or blow
water phenomena.
6. Water storage pipe setting
• For the concentrated drainage pipe system, there should design a blowhole at the highest point of main pipe
to ensure the condensate water discharge smoothly.
• The air outlet shall face down to prevent dirt entering pipe.
• Each indoor unit of the system should be installed it.
• The installation should be considering the convenience for future cleaning.
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