INSTRUCTIONMANUALNo. 0010571721DUCT TYPE AIR CONDITIONERHDU-24H03/HHDU-28H03/HHDU-42H03/HPlease read this manual carefully before using
MODEFAN SWINGTEMPCLOCK SETTIMER SLEEPRESETFILTER RESETON/OFF1432AMROOMOPERATION9Fan operationEnjoy yourself by just a gentle press.(1) Unit start(2) S
AUTO RUN, COOL,HEAT and DRY operationUse COOL in summer.Use HEAT in winter.Use DRY in spring,autumn and in damp climate.(1) Unit start(2) Select oper
ONMODEFAN SWINGTEMPCLOCK SETTIMER SLEEPRESETFILTER RESETON/OFFAM AM1243SETOPERATION11TIMER operationHintsSet Clock correctly before starting Timer ope
ON OFFMODEFAN SWINGTEMPCLOCK SETTIMER SLEEPRESETFILTER RESETON/OFFPMAM156423SETblankONOFFONOFFOPERATION12TIMER ON-OFFOperation mode will be displayed
OPERATIONabout 6 hrs1 hr1 hrincrease 1 Cincrease 1 C13At night, before going to bed youcan press down the SLEEP buttonon the controller and the air-co
14OPERATIONPower Failure Compensation (to be applied for a necessary situation) After the power failure compensation is set, if power failure sudde
15please check the following things about your air conditioner before making a servie call.Unit fails to startMALFUNCTIONONOFFIs the power sourceswitc
16MALFUNCTIONThe followings are not malfunctionShuruShuruWhen the air conditioner is started, when the compressor starts orstops during operation or
17CARE AND MAINTENANCEPoints to observeTurn off the power supply switch. Do not touch with wet hand.Do not use hot water or volatileliquid.ONOFFThin
18FOR PREPARATION OF HEATING("HOT KEEP")"HOT KEEP"is operated in the following cases.When heating is started:In order to prevent b
1TABLE OF CONTENTSOPERATION9-14MALFUNCTION15-16CARE AND MAINTENANCE17FOR PREPARATION OF HEATING18IS THE UNIT INSTALLED CORRECTLY19INSTALLATION MANUAL
19IS THE UNIT INSTALLED CORRECTLYFor inspection and maintenanceWhen you change your address or the installation placeElectric workConfirm the followi
INSTALLATION MANUAL FOR WIRE CONTROLLER201. Remove upper part of wire controllerRemove upper part of wire controller by press.2. Install wire controll
INSTALLATION MANUAL FOR WIRE CONTROLLER213. Indoor unit wiringConnect terminals (A,B,C,D) on lower part ofwire controller to terminals (A,B,C,D) on PC
INSTALLATION MANUAL FOR OUTDOOR UNIT22Edging(2) Installation where the area with strong winds.Install the unit so that the air outlet section of the u
INSTALLATION MANUAL FOR OUTDOOR UNIT23OpenHexagon wrench(attachment)(1) Outline piping4. Refrigerant piping(2) Piping size(3) Limitations for one w
INSTALLATION MANUAL FOR OUTDOOR UNIT24(6) Additional charge of refrigerantOutdoor unit is precharged at a factory for the piping length up to 5m. Add
30mAINSTALLATION MANUAL FOR OUTDOOR UNIT255. Electric wiringWARNINGDANGER OF BODILY INJURY OR DEATHTURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER
INSTALLATION MANUAL FOR OUTDOOR UNIT26(2) Wiring connection6. Test runWARNINGMake wiring to supply power to the outdoor unit, so that the power for
INSTALLATION MANUAL FOR INDOOR UNIT26Safety precautionsWARNINGPlease read these "Safety Precautions" first then accurately execute the insta
INSTALLATION MANUAL FOR INDOOR UNIT281. Before installation [Before finishing installation, do not throw the attached parts installationneeds]NOTICEAl
CAUTIONS2 All electrical ropairs must be carried outby qualified electricians. Inadequate repairsmay result in a major source of danger forthe user
INSTALLATION MANUAL FOR INDOOR UNIT29(1) The position relation among hoisting screw (unit: mm)(3) Hanger bolts installationUse care of the piping dire
INSTALLATION MANUAL FOR INDOOR UNIT304. Installation of indoor unitFix the indoor unit to the hanger bolts.If required, it is possible to suspend the
31Drainage TestConduct a drainage test after completion of the electrical work.During the trial, make sure that drain flows properly through the pipin
32INSTALLATION MANUAL FOR INDOOR UNITThe calculation of duct resistance (the simple calculation is as follow table)Straight partBend partAir out partS
INSTALLATION MANUAL FOR INDOOR UNIT338. The attentive matters in installation of air suction and discharging ductRecommend to use anti-frost and soun
10. The operation method of fan controllerThrough the fan controller switch in the electric box, the air volume of this unit can be continuouslyadjus
INSTALLATION MANUAL FOR INDOOR UNIT11. Refrigerant pipe[The air side pipe, liquid side pipe must be faithfully heat insulated, if no heat insulation,
SAFETY PRECATIONSBefore starting to use the system, read carefully this"SAFETY PRECAUTIONS" to ensure a proper operation of the system.Safet
SAFETY PRECAUTIONS4CAUTIONDo not wash the air conditioner with water.Do not install the system where the air outletreaches directly the flora and faun
SAFETY PRECAUTION52. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similar qualified person.3.
PARTS AND FUNCTIONS6Indoor UnitOutdoor UnitAir inletAir outletCompressor(Inside of unit)Connecting pipingand electrical wiringAir inletAir outletDrain
Buttons and display of the wire controller.Cautions:On cooling only unit, heatingmode is not available.Note:The above information is the explanation o
OPERATING LAMPPARTS AND FUNCTIONS8Buttons and display of the wire controller.FAN SPEEDTIMER ONClock setWhen unit is started for the first time, clock
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