Installation Instructions

1.Connecttheducttotheflange.(theflangeisassembledwiththeinterfaceofduct.)
2.Afterconnection,usetheethylenetape(providedonfield)towrapthejointtopreventair-leakage.
InstallDuct (therateddiameter75) ：φ
Flange
Wrapthejointtopreventair-leakage
φ75Ductonfield（）
AirproofAdhesiveTape
Note:
1.Allductsmustbecompletelyheat-insulated.
2.Thefollowingphenomenonarenotallowedwheninstallingduct:
A） Bendtoomuch
BToomanybender）
C) diameterreduce
Wrong
Wrong
Wrong
InstallationType1
InstallationType2
Puttheinsulationmaterial4ontheinterface
oftheholeasshowninFigure4,thenstick
ontheinsideandsurfaceoftheboard.The
interfaceoftheholecannothavegap.
Stickinsulationmaterialatthe
openingpartoftheboard
About10mm
InsulationMaterial(Inside)
Edge
InsulationMaterial
Board
Ensuretheinterfaceofinsulationmaterial4closelycontactswith
theinsideinsulationmaterialandtheboard.
Flange1
Screw2
（×） M412,4pieces
Flange1
（×） M412,4pieces
Stickinsulationmaterial4atindoorhole
Figure3
Figure2
Usescrew2(M4X12,4Pieces)toinstallflangeatthehole,andthenstickinsulationmaterial3.
Board
InsulationMaterial
InsulationMaterial3
InsulationMaterial3
Screw2
15