Hitachi RAS-5HVNC1 - 14.2 Before Contact

20
A10762290A
Checktheitemsbeforecontactingacontractor.
14.2 BeforeContact
Trouble Checking Point Action
Operation Unavailable
Checkthatthemainpower
sourceisturnedON.
TurnONthemainpowersourcefortheair
conditioner.
Checkthatthefuseisnot
blownoutorthecircuit
breakerofmainpowersource
isnottripped.
Replacethefuseorresetthecircuitbreaker.
Ifthetroublerecurs,contactyourcontractoror
distributor.
Immediate
shutdown after
start-up
Cooling
Checkthattheairinletand
outletoftheoutdoorunitare
notcoveredwithapaper,a
vinylorotherobjects.
Removeobjectscoveringtheairinletandoutlet.
Heating
Checkthatthereareany
obstaclespreventingtheair
owneartheairinletand
outletoftheoutdoorunit.
Removetheobstaclespreventingtheairow.
Checkthattheoutletairisnot
short-circuitedtotheairinlet.
Insu󰀩cient Cooling or
Heating
Checkthattheoperation
modeisappropriate.
Ifthefanmodeisselected,switchtheoperation
modetocooling(heating).
Checkthattheset
temperatureisappropriate.
Ifnot,changethesettemperaturebypressing“
”
or“
”bythewiredcontroller.
Checkthattheairow
directionisappropriate.
Ifnot,changetheairowdirection.
Inthecasethatthefootingisnotheatedwellduring
theheatingoperation,changethelouverdownward.
Checkthattheairlterisnot
clogged.
Cleantheairlter.
Checkthatawindowanda
doorarenotopened.
Closethewindowandthedoor.
Checkthatthereareany
obstaclespreventingthe
airowneartheairinlet
andoutletoftheindoorand
outdoorunits.
Removetheobstacles.