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Energy Recovery Ventilation System
5) For the rectangular duct, clamps for the rectangular should contact the duct tightly, angle should
be straight, and space for the screw at the joint should be reserved. For the round duct, clamps
should be arranged evenly and its inner diameter should be the same with the outer diameter of the
duct so as to contact the duct tightly.
(5) The bracket and hanger cannot be set at air vent, valve or service door. The hanger cannot be
directly xed at ange. The distance between horizontal duct bracket and hanger cannot exceed 4
meters. If the duct is installed vertically, the distance between them should not exceed 4m and the
built-in ttings of each vertical duct should be more than 2 pieces.
(6) The duct ange, hanger and hanger for equipment should be coated with anticorrosion paint.
(7) The floor and wall which the duct passes should be repaired after construction. The holes on
the external wall should be kept 2/100 gradient at level direction (the internal is higher) to avoid
rainwater into the room.
(8) Installation of ducts and connections should be secure. The frame and decorative surface should be
solid, external surface should be level and in-deformable and adjustment should be exible.
3 Electrical connection
3.1 Wiring diagram
The electric wiring diagram attached to the electric box always prevails.
(1) Applicable models: FHBQG-D6.5B-K, FHBQG-D8B-K, FHBQG-D10B-K
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