Hitachi UTOPIA R32 Series - Refrigerant Piping Length

7 UNITS INSTALLATION
7.1 OUTDOOR UNITS INSTALLATION
! CAUTION
• Priortoany workwiththerefrigerant cycle,ensurethat theriskof
ignitionisminimised.
• Compliancewithnationalgasregulationsshallbeobserved.
• Installation and any servicing work dealing with refrigerant charge
anddischarge, piping connection, leakage inspectionsandsimilar,
shallbeperformedbyqualiedpersonnel,dulycertiedbyregional
ornationalorganisationsonly,andasrecommendedinthismanual.
• Transporttheproductsasclosetotheinstallationlocationaspractical
beforeunpacking.
• Donotputanymaterialontheproducts.
• Applyfourliftingwiresontotheoutdoor,whenliftingitbycrane.
• Installtheoutdoorunitwithsufcientclearancearounditforoperation
andmaintenanceasshowninthenextgures.Installtheoutdoorunit
wheregoodventilationisavailable.
• Donotinstalltheoutdoorunitwhereisahighlevelofoilmist,saltyair
orsulphurousatmosphere.
• Installtheoutdoorunitasfaraspractical(beingatleast3meters)
fromelectromagneticwaveradiator(suchasmedicalequipment).
• Forcleaning,usenoninammableandnontoxiccleaningliquid.Use
ofinammableagentmaycauseexplosionorre.
• Workwithsufcientventilation,forworkinginanenclosedspacemay
causeoxygendeciency.Toxicgasmaybeproducedwhencleaning
agentisheatedtohightemperatureby,e.g.,beingexposedtore.
• Cleaningliquidshallbecollectedaftercleaning.
• Payattentionnottoclampcableswhenattachingtheservicecoverto
avoidelectricshockorre.
• Keepclearancebetweentheunitsofmorethan100mm,andavoid
obstaclesthatmayhamperairintake,wheninstallingmorethanone
unitstogether.
• Installtheoutdoorunitintheshadeornotexposedtodirectsunshine
ordirectradiationfromhightemperatureheatsource.
• Donot install the Outdoor Unitinaspacewhereaseasonalwind
directlyblowstothefan.
• Check to ensure that the foundation is at, level and sufciently
strong.
• Installtheunitinarestrictedareanotaccessiblebythegeneralpublic.
• Aluminiumnshaveverysharpedges.Pay attentiontothensto
avoidinjury.
7.1.1 Installation space
(Unit: mm)
Blocked in Inlet Side
Upper Side Open
Single Installation Multiple Installation (Two units or more)
*
*
Front Side
Front
Side
Front Side
Front Side
Upper Side Blocked
Single Installation Multiple Installation (Two units or more)
Units installation
PMML0545 rev.2 - 04/2021
5
EN