Hitachi UTOPIA IVX STANDARD Series User Manual

ENGLISH
Start-up and Operation: Checktoensurethatallthestopvalvesarefullyopenedandnoobstacleexistsattheinlet/outletsides
beforestart-upandduringtheoperation.
Maintenance:Periodicallycheckthehighpressuresidepressure.Ifthepressureishigherthanthemaximumallowablepressure,
stopthesystemandcleantheheatexchangerorremovethecause.
Maximum Allowable Pressure and High Pressure Cut-out Value:
Refrigerant Maximum Allowable Pressure (MPa) High Pressure Switch Cut-out Value (MPa)
R410A 4.15 4.00 ~ 4.10
? NOTE
ThelabelforthevesselunderPEDareattachedonthehighpressurevessel.Thepressurevesselcapacityandvesselcategoryareindicatedonthe
vessel.
Location of High Pressure Switch
Compressor
? NOTE
Thehighpressureswitchisindicatedontheelectricalwiringdiagramin
theoutdoorunitasPSHconnectedtoprintedcircuitboard(PCB1)inthe
outdoorunit.
Structure of High Pressure Switch
Contact Point Pressure Detected
Connected to the electrical wire
! DANGER
• Donot changethehigh-pressureswitchlocallyorchange the
highpressurecut-outsetvaluelocally.Ifchanged,itwillcause
seriousinjuryordeathduetoexplosion.
• Donotattempttoturnservicevalverodbeyonditsstop.
4 TRANSPORTATION AND HANDLING
When hanging the unit, ensure a balance of the unit, check
safety and lift it up smoothly
Do not remove any packing materials.
Hang the unit under packing condition with two ropes.
For safety reasons ensure that the outdoor unit is lifted smoothly
and does not lean
Model Gross Weight (kg)
RAS-4H(V)NC1E 92
RAS(5-6)H(V)NC1E 102
5 BEFORE OPERATION
! CAUTION
• Supply electrical power to the system for approximately 12 hours
before start-up or a long shutdown. Do not start the system
immediatelyafterpowersupply,itmaycausea compressor failure
becausethecompressorisnotheatedwell.
• Whenthesystemisstartedafterashutdownlongerthatapproximately
3months,itisrecommended to check thesystembyyourservice
contractor.
• TurnOFFthemainswitchwhenthesystemistobestoppedforalong
periodoftime:IfthemainswitchisnotturnedOFF,electricitywillbe
used,becausetheoilheaterisalwaysenergisedduringcompressor
stopping.
• Makesure thattheoutdoorunitisnot coveredwithsnoworice.If
covered,removeitbyusing hot water (approximately50°C).Ifthe
watertemperatureishigherthat50°C,itwillcausedamagetoplastic
parts.
TRANSPORTATION AND HANDLING
PMML0395B rev.0 - 11/2015
3

Hitachi UTOPIA IVX STANDARD Series Specifications

General

Brand	Hitachi
Model	UTOPIA IVX STANDARD Series
Category	Air Conditioner
Language	English