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Installation of Main Body
Assembly of Washer, Nut
Tighten the common washer and nut (more than 21 mm
for the outside diameter of M10, to the commercial ceiling
fixing bolt (M10) as shown in the right figure.
• For the ceiling fixing bolt, perform work less than 50 mm
under the ceiling fixing bracket.
Connection of Duct
1. After securely connect the duct with the duct connection flange, wrap it
with a commercial aluminium tape so that air cannot be leaked.
2. Adjust the duct from the ceiling so that no force is applied to the main
body of the ventilation system.
3. Always use two ducts at the outdoor with the heat insulating material for
prevention of dewing.
Installation
Ceiling Fixing Bolt
(M10)
Nut
Spring Washer
Washer
Nut
Duct
Taping
Installation Manual 11
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