Haier HDU-18CF03 Operating & Installation Manual

Haier duct type air conditioner operation & installation manual indoor unit
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Indoor Unit Operation & Installation
No. 0010576844
Please read this operation manual before using the air conditioner.
Please keep this manual carefully and safely.



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  Summary of Contents for Haier HDU-18CF03

  • Page 1 DUCT TYPE AIR CONDITIONER Indoor Unit Operation & Installation Manual No. 0010576844 Please read this operation manual before using the air conditioner. Please keep this manual carefully and safely. HDU-18CF03 HDU-18HF03 HDU-28CF03 HDU-28CF03...
  • Page 2: Table Of Contents

    Cautions Safety Precautions Parts and Functions Operation Malfunction Care and Maintenance For Preparation of Heating Is The Unit Installed Correctly Installation Manual For Wire Controller Installation Manual For Indoor Unit Table of Contents 9-14 15-17 21-22 23-32...
  • Page 3: Cautions

    Damaged air conditioners are not to be put into operation. In case of doubt, consult your supplier. Use of the air conditioner is to be carried out in strict compliance with the relative instructions set forth in the User's Guide.
  • Page 4: Safety Precautions

    Unless the circuit breaker is installed, it could cause elecrical shocks. Install on the place where can endure the weight of air conditioner. Bodily injury could result by a careless installation. WARNING Do not poke the air inlet or outlet with a bar, etc.
  • Page 5 If the structure is not repaired immediately, the unit could topple down to cause apersonal injury. WARNING When the air conditioner is relocated, contact your dealer or a pro- fessional installer. Improper practice of installation could cause water leakage, electric shock or fire.
  • Page 6 6. The breaker of the air conditioner should be all-pole switch; and the distance between its two contacts should be no less 3mm.
  • Page 7: Parts And Functions

    Parts and Functions Indoor unit Outlet Electrical box Evaporator Drain pan Wire controller HEALTH HEAT...
  • Page 8: Operation

    Parts and Functions Operation CLOCK Used to set correct time. TIMER Used to select TIMER ON, TIMER OFF, TIMER ON/OFF. TIME Used to set clock and timer setting. HEAT Used to start/stop auxiliary electric heater when in heating operation Power ON/OFF Used for unit start and stop.
  • Page 9 Parts and Functions Operation SLEEP AUTO FAN SPEED TIMER ON TIMER OFF CLOCK Clock set When unit is started for the first time, clock should be adjusted as follows: Press CLOCK button, "AM"or "PM" flashes. Buttons and display of the wire controller. Remote control COOL HEAT...
  • Page 10 Operation The air conditioner has the function of POWER FAILURE RESUME. Fan operation Enjoy yourself by just a gentle press. (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display. (Not Timer setting) Power indicator lights up.
  • Page 11 Operation AUTO RUN, COOL,HEAT and DRY operation Recommendations (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display (Not Timer setting). Power indicator lights up. (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: AUTO COOL Unit will run in operation mode displayed on LCD.
  • Page 12: Timer Operation

    Operation TIMER operation Set Clock correctly before starting Timer operation. You can let unit start or stop automatically at following time: Before you wake up in the morning, or get back from outside or after you fall asleep at night. TIMER ON/OFF (1)After unit start, select your desired operation mode.
  • Page 13 TIMER ON-OFF (1)After unit start, select your desired operation mode Operation mode will be displayed on LCD. Power indicator lights up. (2) Press TIMER button to change TIMER mode Every time the button is pressed, display changes as follows: Select (3)Time setting for TIMER ON Press TIME button.
  • Page 14 Operation Comfortable Sleep At night, before going to bed you can press down the SLEEP button on the controller and the air- conditioner will run by the comfortable sleeping mode to make you sleep more comfortable. In cooling, dehumidifying mode In heating mode Note: In AUTO mode, unit will run in SLEEP function according to the operation mode.
  • Page 15 Notes: When a power failure suddenly occurs during the air conditioner is working after the power failure compensation is set, if the air conditioner will not be used for a long time, please cut off the power supply to prevent its operation from being resumed after the power is supplied again, or press the "Switch On/Off"...
  • Page 16: Malfunction

    Isn't it warming up? When the air conditioner does not operate properly after you have checked the above mentioned items or when the following phenomenon is observed, stop the operation of the air conditioner and contact your sales dealer.
  • Page 17 Malfunction Failure description Room temp. sensor abnormal Indoor coil temp. sensor abnormal Outdoor temp. sensor abnormal Outdoor coil temp. sensor abnorma Over-current malfunction High / Low pressure abnormal Communication malfunction between indoor PCB and panel Communication malfunction between indoor PCB and outdoor PCB The float switch malfunction Code on wired controller...
  • Page 18 Water or steam generates from the outdoor unit during heating. When the air conditioner is started, when the compressor starts or stops during operation or when the air conditioner is stopped, it sometimes sounds "shuru shuru" or "gobo gobo". It is the flowing sound of the refrigerant, and it is not a trouble.
  • Page 19: Care And Maintenance

    Operate the unit with FAN mode on a fair day for about half a day to dry the inside of the unit well. Stop operation and turn off the power supply switch. Electric power is consumed even the air conditioner is in stop.
  • Page 20: For Preparation Of Heating

    Defrosting operation When a room is warmed with a heat pump type air conditioner, frost accumulates on the heat ex- changer of outdoor unit along with the drop of indoor temperature. Since the accumulated frost re- duces the effect of warming, it is necessery to automatically switch the operation to the defrosting mode.
  • Page 21: Is The Unit Installed Correctly

    Besides, construction expense is charged for removal or reinstallation. The capacity of air conditioner will decrease by contamination of inside of unit when it is used for about three years although depending upon the circumstances under which it is used, and so in addition to the usual maintenance service, special inspection/maintenance service is necessary.
  • Page 22: Installation Manual For Wire Controller

    Installation Manual For Wire Controller 1. Remove upper part of wire controller Remove upper part of wire controller by press. PCB is mounted on lower part of wire controller, be careful not to damage it. 2. Install wire controller (1) For exposed installation, use 2 wood screws .
  • Page 23: Installation Manual For Wire Controller

    Installation Manual For Wire Controller 3. Indoor unit wiring Connect terminals (A,B,C,D) on lower part of wire controller to terminals (A, B,C,D) on PCB of indoor unit. wiring from here Lower part of wire controller Upper part of wire controller Hint Tread surface of the terminal well so that shielding may not contact other part.
  • Page 24: Installation Manual For Indoor Unit

    Take care that wiring does not rise upward, and accurately install the lid/service panel. Its improper installation can also result in heat generation or fire. When setting up or moving the location of the air conditioner, do not mix air etc. or anything other than the designated refrigerant (R407C) within the refrigeration cycle.
  • Page 25 Installation Manual For Indoor Unit Please do not install the unit in places where flammable gases may be leaked. In case that gas is leaked and accumulated around the unit, it may cause dangers of fire etc. The indoor unit shall be installed at locations where cold and hot air could evenly circulated. The following locations should be avoided: Places with rich saline matters (seaside regions).
  • Page 26 Installation Manual For Indoor Unit After selecting the unit installation location, proceed the following steps: 1. Drill a hole in the wall and insert the connecting pipe and wire through a PVC wall-through tube purchased locally. The wall hole shall be with a outward down slope of at least 1/100.
  • Page 27 Air outlet grille Air supply There should be no obstacles within 1m Return air box Return air Air out duct Transition duct The sketch map of long duct Return air box Unit Return air Tie-in of air distributary Air distributary Air conditioner...
  • Page 28 As Fig. 1 shown, all the fan speed of any of the separatorís air outlet shall be adjusted approximately the same to meet the requirement for the room air conditioner. Soft connection...
  • Page 29 Use M8 or M10 suspension screws (4,prepared in the field)(when the suspension screw height exceeds 0.9m,M10 size is the only choice).These screws shall be installed as follows with space adapting to air conditioner overall dimensions according to the original building structures.
  • Page 30 Installation Manual For Indoor Unit In order to drain water normally, the drain pipe shall be processed as specified in the installation manual and shall be thermal insulated to avoid dew generation. Improper hose connection may cause indoor water leakage. Requirements The indoor drain pipe shall be thermal insulated.
  • Page 31 These parameters differ according to the outdoor unit. See the instruction manual attached with the outdoor unit for details. Pipe material and size Pipe material Phosphorus deoxidized copper seamless pipe (TP 2 ) for air conditioner Gas side Pipe size...
  • Page 32 Installation Manual For Indoor Unit Vacuum pumping With a vacuum pump,create vacuum from the stop valve of the outdoor unit. Emptying with refrigerant sealed in the outdoor unit is absolutely forbidden. Open all valves Open all the valves on the outdoor unit. Gas leakage detection Check with a leakage detector or soap water that if there is gas leakage at the pipe connections and bonnets.
  • Page 33: Installation Manual For Indoor Unit

    Use copper conductor only. Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with less than 2% voltage drop.) Phase Switch breaker Item HDU-18CF03 HDU-18HF03 HDU-28CF03 HDU-28HF03 (2) Wiring connection HDU-18HF03...
  • Page 34 HAIER GROUP Qingdao Haier Air Conditioner Electric Co., Ltd. Address: Haier Garden ,Qianwangang Road , Economic Development Zone, Qingdao ,Shandong 266500, P.R.C Web Site: http://www.haier.com...

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