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Indoor Unit Operation & Installation Manual
No.0150501709
Please read this manual carefully before using
Keep this operation manual for future reference
AD072MLAIA
AD092MLAIA
AD122MLAIA
AD142MLAIA
AD162MLAIA
AD182MLAIA
AD242MLAIA
AD282MLAIA
AD322MLAIA
AD382MLAIA
AD482MLAIA

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Table of Contents
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Summary of Contents for Haier Group AD072MLAIA

  • Page 1 Indoor Unit Operation & Installation Manual AD072MLAIA AD092MLAIA AD122MLAIA AD142MLAIA AD162MLAIA AD182MLAIA AD242MLAIA AD282MLAIA AD322MLAIA AD382MLAIA AD482MLAIA No.0150501709 Please read this manual carefully before using Keep this operation manual for future reference...
  • Page 2: Table Of Contents

    User Manual Your air conditioner may be subject to any change owing to the improvement of Haier Contents products. MRV series multiple air conditioning systems adopt the consistent running mode, by Parts and Functions which, all indoor units can only be heating or refrigerating operation at the same time.
  • Page 3: Parts And Functions

    AD092MLAIA AD122MLAIA Air outlet frame Cabinet of electric appliance Evaporator Condensated water pan Note: 2 - row evaporator for AD072MLAIA and AD092MLAIA . 3 - row evaporator for AD122MLAIA. AD142MLAIA AD162MLAIA AD182MLAIA AD242MLAIA Cabinet of electric appliance AD282MLAIA Air outlet frame...
  • Page 4 Parts and Functions CLOCK Used to adjust time. Used for select indoor operation TIMER mode. Used to set timer mode. CHECK Used for select indoor air flow. Auto-diagnostic button. SWING Used for setting indoor swing mode. HEALTH HEALTH Used for setting RECOVERY indoor health function.
  • Page 5 Parts and Functions [MODE] [AUTO]:Auto operation mode. [FAN ONLY]:air-throwing mode. [COOL]:Cooling operation mode. HEALTH [DRY]:Dehumidification mode. [HEAT]:Heating operation mode. [FAN] RECOVERY [AUTO]:Auto fan running. CHECK [HIGH]:High fan speed. [MED]:Medium fan speed. [LOW]:Low fan speed. [FIX]: Fixed fan speed, it will display only when fixed fan speed is requested to main indoor unit.
  • Page 6 Parts and Functions 4.Operation MODE Remote controller Used to select operation mode. Every time you press MODE button, operation mode changes according to following sequence: Code A: AUTO HEAT COOL 5.HEALTH Button 6.CLOCK Button Used to set correct time. TEMP 7.TIMER Button SWING Used to select TIMER mode:TIMER ON,TIMER...
  • Page 7 Parts and Functions The distance between the remote controller and the 17.SLEEP Button receiver should be max 7m and there should be no (The clock must be corrected before setting sleep function) obstacle between them. Used to set sleep mode. Do not throw the remote controller;...
  • Page 8: Safety Considerations

    Safety Considerations If the air conditioner is transferred to a new user, this manual shall be transferred to the user, together with the conditioner. Before installation, be sure to read Safety Considerations in this manual for proper installation. The safety considerations stated below is divided into ì Warningî...
  • Page 9 Safety Considerations Attention Power should be cut off when the air It is not allowed to put any heating conditioner is left unused for a long apparatus under the indoor units, for the period. heat may cause distortion of the units. Power will be consumed if the air conditioner is not powered off.
  • Page 10 Operation instruction FAN ONLY OPERATION: 1)Start up operation: press the button of ON/OFF, the system will start up, and will display onLCD. 2)Select MODE: press the MODE button, then you will see in the display section [MODE] switch over in below sequence: [FAN ONLY] [COOL] [DRY]...
  • Page 11 Operation instruction Set TIMER operation: Adjust clock: when powered on, for the first time to set timer function, the clock will be adjusted. Press ìCLOCKî button, and set the current clock. Now, ìCLOCKî will flash at the frequency of 2Hz every minute.
  • Page 12 Operation instruction FILTER ELEVATING function: (only for the unit with elevating function) In power off state, press [FILTER] for 5 seconds to enter filter elevating set state. In this state, the sign [FILTER] will flash at the frequency of 2Hz. By pressing [+] TEMP [-], filter can go up or down.
  • Page 13 Operation instruction Query indoor performance state: Under normal condition, press ìSettingî button for 5 seconds until the temperature zone on the liquid crystal screen shows [XX], referring to the unit number of indoor units and select unit, and select unit number by ìTemp. +/-î button. The time zone displays [YZZZ], in which, Y refers to the data type and ZZZ to the responding data.
  • Page 14 Operation instruction AUTO, COOL , HEAT and DRY Operation 1. Unit start Press ON/OFF button,unit starts. Previous operation status appears on LCD (except for TIMER,SLEEP and SWING setting) 2.Select operation mode Press MODE button. At each press, operation mode changes as follows: Code A: AUTO COOL...
  • Page 15 Operation instruction Fan Operation (Only for Code A) 1.Unit start Press ON/OFF button to start your air conditioner. Previous operation status appears on LCD (except for TIMER, SLEEP, and SWING setting). 2.Select operating mode Press MODE button. At each press, operation mode changes as follows: TEMP COOL...
  • Page 16 Operation instruction Adjusting air flow direction AUTO SWING AUTO SWING Press SWING button. When the automatic swing louver moves to the proper Up and down airflow varies upwards angle, press SWING button can fix the airflow direction. and downwards. Left and right airflow varies left and right sides.
  • Page 17: Min. Db

    Operation instruction Timer ON/OFF Function Set clock correctly before starting TIMER operation 1.Unit start After unit start, select your desired operation mode (operation mode will be displayed on LCD) 2.TIMER mode selection Press TIMER button on the remote controller to change TIMER mode.
  • Page 18 Maintenance *Only when the air cleaner is switched off and disconnected to the power supply can it be cleaned, or electric shock and injury may appear. Cleaning the air outlet port and the shell: Attention Donít use gasoline, benzene, diluents, polishing powder or liquid insecticide to clean them. Do not clean them with hot water of above 50* to avoid fading or distorting.
  • Page 19 Fault Checkup Please check the following when consigning repair service: Symptoms Reasons Water flow sound can be heard when starting operation, during operation or immediately after stopping operation. When it starts to work for 2-3 minutes, the sound may become louder, which is Water flow sound the flowing sound of refrigerant or the draining sound of condensed water.
  • Page 20: Min. Db

    (4) Fix the unit support and change the connection pipes,connecting the shapes of wires and drainpipes so as to let them go through the wall hole. 3.Relationship between locations of the unit and the hoisting studs (unit: mm). model AD072MLAIA AD092MLAIA AD122MLAIA AD142MLAIA AD162MLAIA 1002 483.5...
  • Page 21 AD142MLAIA AD162MLAIA AD122MLAIA AD182MLAIA AD242MLAIA AD282MLAIA Note: Note: 2 - row evaporator for AD072MLAIA and 2 - row evaporator for AD142MLAIA and AD092MLAIA . AD162MLAIA . 3 - row evaporator for AD122MLAIA. 3 - row evaporator for AD182MLAIA ,AD242MLAIA and AD282MLAIA .
  • Page 22 Installation Procedures Concealed indoor units should be designed with air return plenum, as shown in Fig. 2 & Fig. 3. zoom in for A installation top side *0.5m or *5m air outlet grid ceiling supply machine air return plenum air return plenum machine air outlet pipe air return...
  • Page 23: Max. Db

    Installation Procedures 1. Remove the upper cover of wired controller. (Do not damage the PC panel on the rear cover of line control when removing the upper cover). changeover switch upper cover of wired controller rear cover of wired controller screw hole rear cover of wired controller...
  • Page 24 Installation Procedures Attention For normal drainage, the water drainage piping should be connected according to the installation manual. Heat insulation should be performed to avoid condensation. Improper pipe connection may cause water going into the machine. Requirements: Heat insulating treatment should be made for the water drainpipes of the indoor units. Heat preservation should be made for the connection with the indoor units.
  • Page 25 Installation Procedures Tubing Permissible Length & Height Difference Please refer to the attached manual of outdoor units. Tubing Materials & Specifications Special tools for R22 Model AD072~162MLAIA AD182~322MLAIA AD382~482MLAIA should be used for Gas pipe Tubing Size 12.7 15.88 19.05 cutting and enlarging (mm) Liquid pipe...
  • Page 26 Electrical Wiring Warning Electrical construction should be made with specific mains circuit by the qualified personnel according to the installation instruction. Electric shock and fire may be caused if the capacity of power supply is not sufficient. During arranging the wiring layout, specified cables should be used as the mains line, which accords with the local regulations on wiring.
  • Page 27 Electrical Wiring Signal Wiring Drawing outdoor 1 outdoor 3 outdoor 2 P Q A B C A B C A B C control wire for wired controller with polarity communication wire with polarity indoor 5 indoor 4 indoor 3 indoor 1 indoor 2 P Q A B C P Q A B C...
  • Page 28 Electrical Wiring The combination of multiple indoor units can be controlled by wired controller or remote controller. * Switching Mode of Line-Controlled Main Unit/ Line-Controlled Sub Units/ Remote-Controlled Types can be used for switching over * Control Mode Type Switching Mode of Line-Controlled Main Unit Line-Controlled Sub Unit Remote Control Socket/Code...
  • Page 29: Max. Db

    Electrical Wiring * Indoor Units PCB A. With the indoor units controlled by the line control in groups, the address setting of indoor units: SW01 [1]-[4] wired SW01 * The setting of SW01 is performed by installation personnel during controller 1 2 3 4 address installation.
  • Page 30 Electrical Wiring Status of SW08-[6] Controlling Method Wired control( include one control to multiple units, two controls to one unit and one control to one unit) Remote control * Wired Controller Code Settings Serial No. Type Switch Status Switchover Function There is no indication for room temperature Choice of room temp.
  • Page 31: Functions Of Wired Controller

    Functions of Wired Controller Operation of Wired/Remote Controllers * Initialization process of line control: During the initialization of line control after powered on, [8888]*[888]*[88]*[8] for the wired controllers and LED flash for about 30 seconds. At this time, all buttons are disabled. * Descriptions of other components and operating methods refer to the related operating guide.
  • Page 32: Test Run & Fault Code

    Test Run & Fault Code Before Test Run Before switching it on, test the supply terminal tier (L, N terminals) and grounding points with 500V megaohm meter and check if the resistance is above 1M*. It canít be operated if it is below 1M*. Connect it to the power supply of outdoor units to energize the heating belt of the compressor.
  • Page 36 HAIER GROUP Qingdao Haier Air Conditioner Electric Co., Ltd. Address: Haier Garden ,Qianwangang Road , Economic Development Zone, Qingdao ,Shandong 266500, P.R.China Web Site: http://www.haier.com...

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