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User Manual - Page 5

For CDXS18LVJU.

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4 ■English
Choosing an Installation Site
2. Wireless remote controller
•Turnonalltheuorescentlampsintheroom,ifany,andndthesitewhereremotecontrollersignalsareproperly
receivedbytheindoorunit(within13ft(4m)).
3. Outdoor unit
•Foroutdoorunitinstallation,seetheinstallationmanualsuppliedwiththeoutdoorunit.
Preparations before Installation
■
Relation of the unit to the suspension bolt positions.
•Installtheinspectionopeningonthecontrolboxsidewhere
maintenanceandinspectionofthecontrolboxareeasy.Install
theinspectionopeningalsointhelowerpartoftheunit.
■
Make sure the range of the unit’s external static
pressure is not exceeded.
(Seethetechnicaldocumentationfortherangeoftheexternal
staticpressuresetting.)
■
Open the installation hole. (Pre-set ceilings)
•Oncetheinstallationholeisopenedintheceilingwheretheunit
istobeinstalled,passrefrigerantpiping,drainpiping,
transmissionwiring,andremotecontrollerwiring(unneededif
usingawirelessremotecontroller)totheunit’spipingandwiring
holes.See“Refrigerant Piping Work”,“Drain Piping Work”,
and“Wiring”.
•Afteropeningtheceilinghole,makesureceilingislevelif
needed.Itmightbenecessarytoreinforcetheceilingframeto
preventshaking.Consultanarchitectorcarpenterfordetails.
■
Install the suspension bolts.
(UseW3/8toM10suspensionbolts.)
•Useahole-in-anchor,sunkeninsert,sunkenanchorforexisting
ceilings,andasunkeninsert,sunkenanchororotherparttobe
procuredintheeldtoreinforcetheceilingtobearingtheweight
oftheunit.(RefertoFig.)
19-11/16 (500)
17-3/4 (450)
(Inspection opening
size)
Air outlet
Suspension
bolt pitch
(unit : in (mm))
Air inlet
Control
box
(Suspension bolt pitch)
Ceiling
24-7/16 (620)
24-7/16 (620)
A
Arrow view
Inspection door
(Ceiling opening)
<SERVICE SPACE>
A
B
FDXS09/12
CDXS07
CDXS15/18
A
27-9/16 (700)
B
29-1/8 (740) 37 (940)
35-7/16 (900)
CDXS24
44-7/8 (1140)
43-5/16 (1000)
Note: All the above parts are field supplied.
Suspension bolt
Long nut or turn-buckle
Anchor bolt
Indoor unit
Ceiling slab
■
Mount chamber cover and air lter
(accessory).
Forbottomintake,replacethechambercoverandthe
protectionnetintheprocedurelistedinFig.
(1)Removetheprotectionnet.(6locations)
Removethechambercover.(7locations)
(2)Reattachtheremovedchambercoverinthe
orientationshowninFig.(7locations)
Reattachtheremovedprotectionnetinthe
orientationshowninFig.(6locations)
RefertoFig.forthedirectionoftheprotectionnet.
Air inlet
Air inlet
(1)
Chamber
cover
(2)
Air outlet
Air outlet
Chamber
cover
Protection net
Protection net
01_EN_3P297301-4D.indd 4 5/8/2017 5:10:21 PM
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