Installing the duct
Examples of bad duct installation
Extreme bend
Multiple bend
narrow connection part
Installation standards for damper of ERV (for preventing back draft, cold draft and condensation)
(should be purchased separately)
Classification
outdoor air
Exhausted air
Supplied air
Returned air
Type of damper
Motorized damper
Back draft damper
Back draft damper
Motorized damper
Commercial ERV
Conditionally
mandatory (Refer to the
table below)
Conditionally
mandatory (Refer to the
table below)
Recommended
Recommended
Environmental condition
Installation condition
Motorized damper/back draft prevention
damper installation requirement
Waterfront
Within 1,000 m
Required (Mandatory)
lake, rivers
Within 500 m
Required (Mandatory)
Buildings
Underground installation
Required (Mandatory)
❇
❇
Damper is recommended in a fog-prone area such as mountainous area .
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2016-05-27 오전 11:26:48