MLZ-KP Installation Manual

En-4
2-1. CEILING OPENINGS AND SUSPENSION
BOLT INSTALLATION LOCATIONS
• Installtheindoorunitatleast7ft.(2.2m)aboveoororgradelevel.
 Forappliancenotaccessibletothegeneralpublic.
• Refrigerant pipes connection shallbe accessible for maintenance
purposes.
• Makeanopeningintheceiling15-1/8×45-11/16in.(384mm×1160
mm)insize.Thisfunctionsasacheckwindowandwillbeneededlater
duringservicing.
• Ifthedimensionsarenotaccurate,whenthegrilleisinstalledthere
maybegapsbetweenitandtheindoorunit.Thismayresultindripping
waterorotherproblems.
• Whendecidingonplacement,considercarefullythespacearoundthe
ceilingandmakeyourmeasurementsgenerous.
• Ceilingtypesandbuildingconstructiondiffer.Thereforeyoushould
consultwiththebuilderanddecorator.
• Usingtheinstallationtemplate
(topofthepackage)andthegauge
(supplied as anaccessory with thegrille), make anopening in the
ceilingsothatthemainunitcanbeinstalledasshowninthediagram.
(Themethodforusingthetemplateandthegaugeareshown.)
• UseW3/8suspensionbolts
E
.
• Aftersuspendingtheindoorunit,youwillhavetoconnectthepipes
andwiringabovetheceiling.Oncethelocationhasbeenxedandthe
directionofthepipeshasbeendetermined,placetherefrigerantand
drainagepipes,andthewiringthatconnectstheindoorandoutdoor
unitsintheirdesiredlocationsbeforesuspendingtheindoorunit.Thisis
especiallyimportantincaseswheretheceilingisalreadyinexistence.
• Thepackingmaterial(cushion)istapedtotheunit.Whenusingthe
packingmaterial,donotremoveitfromtheunittopreventhorizontal
vanedamage.
1)Woodenstructures
• Usetiebeams(singlestoriedhouses)orsecondoorbeams(two
storyhouses)asreinforcingmembers.
• Woodenbeamsforsuspendingairconditionersmustbesturdyand
theirsidesmustbeatleast2-3/8in.(60mm)longifthebeamsare
separatedbynotmorethan35-7/16in.(900mm)andtheirsides
mustbeatleast3-9/16in.(90mm)longifthebeamsareseparated
byasmuchas6ft.(1800mm).
• Usechannel,ductandotherpartsprocuredlocallytosuspendthe
indoorunit.
2)Ferro-concretestructures
• Securethesuspensionboltsusingthemethodshown,orusesteel
orwoodenhangers,etc.toinstallthesuspensionbolts
E
.
• Whentheunitisputdownwithitslowersurfacefacingdown,place
packingmaterial(cushion)underneathtopreventhorizontalvane
damage.
Donotremove.
Horizontalvanemaybedamaged.
Packingmaterial(cushion)
Aligncenterofceilingopeningandboltdistance
Outlet
(underside)
Air
outlet
2-1/8 2-1/8
13/16 13/16
41-3/8
45-11/16Ceilingopening
47-1/4Grilleoutlet
unit:inch
16-11/16Grilleoutlet
13/1613/16
1-1/21-1/2
15-1/8Ceiling
opening
12-1/8
12-1/8in.
(308mm)
2. INDOOR UNIT INSTALLATION
Ceilingpanel
Rafter
Beam
Roofbeam
Useinsertsratedat
220to330lb(100-
150kg)each
SuspensionboltsW3/8
Cchannel
41-3/8in.
(1051mm)
Channelsuspension
bracket
Suspensionbolt
Steelreinforcingrod
• Removethepackingmaterial(cushion)beforeinstallingtheplastic
bagandthecover.
• To prevent fromdust, protect theindoor unit by coveringwith the
plasticbagandthecover.
• Remove the plastic bagand the cover before installing the grille
(optional).
• When the distance between joints is 15-1/8 in. (348mm) orless,
pleaserefertothenoticeafxedtothepackingmaterial.
Plasticbag
Cover
Aligncenterofceilingopeningandboltdistance
Outlet
(underside)
Air
outlet
54.5
20
1051
1160Ceilingopening
1200Grilleoutlet
54.5
20
unit:mm
20
424Grilleoutlet
20
38 38
384Ceilingopening
308
RG79Y948H01_en.indd 4 2018/01/23 11:41:54