(Field-Supplied)
Nut (Field-Supplied)
Washer with Insulation
(Field-Supplied)
Suspension Bracket
(Attached Indoor Unit)
sher (Field-Supplied)
Double-Nut
(Field-Supplied)
(1-3/16 to
1-15/16 inch)
30 to 50mm
Suspension Bolt
Suspension Bracket
(Four Places)
4.4 Installation
Figure4.4Suspension
Figure4.5HangingMethod
4.4.2 MountingandHangingtheSwitch Box
(1) Placenutsandwashersontothesuspension
boltsbeforeinstallingtheSwitch Box.
NOTE:
Makesuretousewashersforinstallingthe
suspensionboltstothesuspensionbrackets.
Installthewasherwiththeinsulationside
facingdownforsuspendedinstallation
applications.Thisway,thewashers
themselvesremaininpositiononthe
suspensionboltsduringtheinstallation
phase.
Field-SuppliedParts
* SuspensionBolt: 4-M10orW3/8
* Nut: 12-M10orW3/8
* Washer: 4-M10orW3/8
* WasherwithInsulation:4-M10orW3/8
(2) HangingtheSwitch Box
(a) HangtheSwitch Boxbyputtinghandson
the bottomofthecabinet.
(b)
(c)
Insertthesuspensionboltintothegroove
partofthesuspensionbracketasshown
inFigure4.5.Ensurethatthewashers
arecorrectlyaffixedtothesuspension
bracket.
(d) KeeptheSwitch Boxleveltotheceiling
surface.IftheSwitch Boxisnotlevel,a
malfunctionmayoccur.
(e) Tightenthenutsofthesuspension bolt
withthesuspensionbracketafter
adjustmentiscompleted.
Adhesivemustbeappliedtothenutsin
ordertopreventthemfromloosening.
4.4.1 MarkingofthePositionsoftheSuspension
BoltsandWiringConnections
(1) Markthepositionsofthesuspensionbolts,
refrigerantpipingconnectionsandwiring
connection.
(2) Installationdimensionsareshownin
Figure2.1and2.2.
Afterthehangingwork,thepipingand
wiringconnectionworkisrequiredinside
theceilinginthegapbetweentheroof and
ceilingsoitisnotvisible.Therefore,
determinethedrawingdirectionofthe pipe
afterselectingtheinstallationlocation of
theSwitch Box.Beforedoingthehanging
work,carryoutthepipingandwiringwork
uptotheconnectingpositions.