KyungDong KDB-101GOM+ Installation Manual page 19

G O M + 표 준 형 - 영 문
Please make a hole in the wall to allow the outside air to directly come in contact with the
top ventilation or bottom air intake flues.
Intake flue or ventilation's effective cross-section must be greater than the cross section
of the exhaust flue.
Effective Cross
Section
Area Over 50
Diameter Over φ80
If the space between the top of the exhaust flue and the outside wall is heatproof, the space
should be at least 300mm.
Plastic Lattice Wood Lattice
(Open Ratio 0.5) (Open Ratio 0.3)
Over 100 Over 125
Over φ115 Over φ130
Within 600mm of the top of the exhaust flue,
there should be no openings such as a
window.
If exhaust gas enters inside of the house, it may
cause exhaust gas poisoning.
51
Open Area (cm²)
Perforated metal sheeting
(Open Rate 0.3)
Over 170
Over φ150
Unit
2
cm
mm