Installing A Return Air Duct; Connecting Water Pipes - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Step 8 Lay a soft connection between the air supply air duct and the wall, and wrap the
rubber plastic thermal insulation foam (at least 3 cm thick, covering the
aluminum foil) for the soft connection.
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3.8 Installing a Return Air Duct

The return air duct needs to be prepared onsite.
The reserved space for the equipment is 2130 mm x 1310 mm.
You are advised to use foam boards. Use six screws to secure the horizontal board
and four screws the vertical board. Drill holes at the return air vent by yourself.
Figure 3-23 Installing a return air duct (unit: mm)
(1) Flexible connection (canvas or other materials,
prepared onsite)

3.9 Connecting Water Pipes

The design and installation of the condensate water trap must meet the
requirements shown in
Issue 06 (2020-08-19)
NO TE
● When the equipment is installed indoors, it is recommended that shock pads be
installed between the air duct and the floor.
● When the equipment is installed outdoors, it is recommended that the air duct be
secured on the concrete platform to prevent rain from soaking the air duct.
Figure
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(2) Hard connection (stainless steel,
prepared onsite)
3-2.
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