Hitachi RAS-3HVNC1 - 7 BEFORE OPERATION; Pre-operation Precautions and Checks

ENGLISH
7 UNITS INSTALLATION
7.1 OUTDOOR UNITS INSTALLATION
! CAUTION
• 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.
! CAUTION
• 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,since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.
! CAUTION
• Keep clearance between the units ofmore than 50mm, 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outdoor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
• Aluminumns have very sharp edges. Pay attention to the ns to
avoidinjury.
7.2 INSTALLATION SPACE
≥
≥
≥≥ ≥≥
a) In case of front side and either of the sides are open (single unit) b) In case that surrounding wall exist (single unit)
100
500
1000
500
50
c) In case that upper side obstacles exist (single unit)
50
100
≤
300
50
300
100
0 < L ≤ 1/2 H A ≥ 500
1/2 H < L ≤ H A ≥ 1000
UNITS INSTALLATION
PMML0398B rev.0 - 11/2015 - P5416651
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