Willis WST09MH16S Owner's Manual

Willis WST09MH16S Owner's Manual

Split air conditioner
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Split Air Conditioner
MODEL :
WST09MH16S
WST12MH16S
WST12MC16S
Thank you for choosing our product.
For proper operation, please read and keep this manual carefully.

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Summary of Contents for Willis WST09MH16S

  • Page 1 Split Air Conditioner MODEL : WST09MH16S WST12MH16S WST12MC16S Thank you for choosing our product. For proper operation, please read and keep this manual carefully.
  • Page 2: Table Of Contents

    Content Operation Notices Precautions......................1 Parts name ......................2 Screen Operation Guide Buttons on remote controller ................. 3 Introduction for icons on display screen ..............3 Introduction for buttons on remote controller ............4 Function introduction for combination buttons ............8 Operation guide .....................
  • Page 3: Precautions

    Precautions Warning a r n Working temperature range B/WB( 32/23 43/26 24/18...
  • Page 4: Parts Name

    Parts name Indoor Unit panel air inlet air outlet horizontal louver display temp. indicator drying indicator cooling indicator AUTO HEALTH X-FAN HUMIDITY FILTER TURBO HOUR ON/OFF power indicator heating indicator ON/OFF MODE receiver window aux.button X-FAN TEMP TIMER LIGHT TURBO SLEEP remote control (Display content or position may be different from above...
  • Page 5: Buttons On Remote Controller

    Buttons on remote controller ON/OFF button AUTO HEALTH X-FAN MODE button HUMIDITY FILTER +/- button TURBO FAN button HOUR ON/OFF button button ON/OFF MODE HEALTH SAVE button X-FAN button (Note: X-FAN is same with BLOW) TEMP button TIMER button X-FAN TEMP TIMER TURBO button...
  • Page 6: Introduction For Buttons On Remote Controller

    Introduction for buttons on remote controller Note: After putting through power, air conditioner will give out a sound and operation indicator " " is ON (red indicator). You can operate the air conditioner through the remote controller. At ON status, after each pressing button on remote controller, the signal icon " "...
  • Page 7 Introduction for buttons on remote controller Note: For preventing cold wind, after starting up heating mode, indoor fan will blow fan afterdelaying 1-5min. (Details time is decided by indoor ambient temperature) Temperature setting range on remote controller: 16 . Fan speed setting range: auto, low speed, medium speed and high speed.
  • Page 8 Introduction for buttons on remote controller button Press this button can select left&right swing. Swing angle can be selected circularly in sequence as below: no display (swing angle is dis- at current position) played dynamically) " " air conditioner will swing left&right automatically at the maximum angle. "...
  • Page 9 Introduction for buttons on remote controller to operate for a while at low speed to dry the residual water inside the indoor unit. X-FAN function. Indoor fan stops operation immediately. TEMP button Press this button can see indoor set temperature, indoor ambient temperature or outdoor ambient temperature on indoor unit’s display.
  • Page 10: Function Introduction For Combination Buttons

    Introduction for buttons on remote controller TURBO button When pressing this button under cooling or heating mode, air conditioner will enter into quick cooling or quick heating mode. The character of "TURBO" is displayed on remote controller. Press this button again to exit turbo function and the character of "TURBO"...
  • Page 11: Operation Guide

    Operation guide 1. After putting through the power, press " " button on remote controller to ON/OFF turn on the air conditioner. 2. Press " " button to select your required mode: AUTO, COOL, DRY, FAN, MODE HEAT. 3. Press "+" or "-" button to set your required temperature. (Temperature can’t be adjusted under auto mode).
  • Page 12: Emergency Operation

    Emergency operation If remote controller is lost or damaged, please use auxiliary button to turn on or turn off the air conditioner. The operation in details are as below: conditioner. When the air conditioner is turned on, it will operate under auto mode.
  • Page 13 Clean and maintenance Open panel Pull out the panel to a certain the water (below 45 ) to clean it, and then put it in a shady and cool place to dry. panel cover tightly. Note: operation environment, clean frequency can be increased.
  • Page 14 Clean and maintenance Checking before use-season 1. Check whether air inlets and air outlets are blocked. 2. Check whether circuit break, plug and socket are in good condition. 4. Check whether mounting bracket for outdoor unit is damaged or corroded. If yes, please contact dealer.
  • Page 15: Malfunction Analysis

    Malfunction analysis General phenomenon analysis Please check below items before asking for maintenance. If the malfunction still Phenomenon Check items Solution (such as static electricity, stable the plug after about 3min, and voltage)? then turn on the unit again. within the signal receiving range? Indoor unit can’t receive...
  • Page 16 Malfunction analysis Phenomenon Check items Solution fuse is burnt out? circuit break or fuse. Air condit- ioner can’t operate after stopping operation? on the unit again. for remote controller is correct? Mist is em- rapidly. After a while, indoor itted from temperature and humidity will indoor unit’s idity is high?
  • Page 17 Malfunction analysis Phenomenon Check items Solution Odours are such as furniture and cigarette, emitted etc. Air conditioner such as thunder, wireless power, and then turn on the operates nor- devices, etc. unit again. mally suddenly Outdoor ating mode, it may generate unit has vapor, which is a normal vapor...
  • Page 18 Malfunction analysis Error Code Warning...
  • Page 19: Installation Dimension Diagram

    Installation dimension diagram Space to the wall At least 15cm At least 15cm Space to the wall Space to the obstruction Air inlet side Space to the wall Space to the wall Drainage pipe Air outlet side...
  • Page 20: Tools For Installation

    Tools for installation 1 Level meter 2 Screw driver 3 Impact drill 4 Drill head 5 Pipe expander 6 Torque wrench 7 Open-end wrench 8 Pipe cutter 9 Leakage detector 10 Vacuum pump 11 Pressure meter 12 Universal meter 13 Inner hexagon spanner 14 Measuring tape Note: Selection of installation location...
  • Page 21: Requirements For Electric Connection

    Requirements for electric connection Safety precaution 1. Must follow the electric safety regulations when installing the unit. circuit break. 3. Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring or malfunction. Please install proper power supply cables before using the air conditioner.
  • Page 22: Installation Of Indoor Unit

    Installation of indoor unit Step one: choosing installation location rm it with the client. Step two: install wall-mounting frame 1. Hang the wall-mounting frame on the wall; adjust it in horizontal position with the plastic expansion particles in the holes. 3.
  • Page 23 Installation of indoor unit Indoor outdoor Note: opening the hole. 5-10 The plastic expansion particles are locally. Step four: outlet pipe 1. The pipe can be led out in the 2. When select leading out the pipe direction of right, rear right, left or from left or right, please cut off the corresponding hole on the bottom rear left.
  • Page 24 Installation of indoor unit Hex nut diameter Tightening torque (N . m) open-end wrench 15~20 30~40 union nut 40~55 pipe torque wrench 60~65 70~75 indoor pipe 4. Wrap the indoor pipe and joint of con- nection pipe with insulating pipe, and then wrap it with tape.
  • Page 25 Installation of indoor unit 2. Make the power connection wire go cable-cross hole through the cable-cross hole at the back the front side. power connection wire with wire clip. Wiring Cover N(1) yellow-green blue black brown (green) Outdoor unit connection 4.
  • Page 26 Installation of indoor unit Step eight: bind up pipe drain hose 1. Bind up the connection pipe, power connection pipe band cord and drain hose with the band. indoor and outdoor power cord indoor unit pipe indoor power cord liquid pipe 3.
  • Page 27: Installation Of Outdoor Unit

    Installation of outdoor unit (select it according to the actual installation situation) 1. Select installation location according to the house structure. 2. Fix the support of outdoor unit on the selected location with expansion screws. Note: installing the outdoor unit. Make sure the support can withstand at least four times of the unit weight.
  • Page 28 Installation of outdoor unit foot holes 1. Place the outdoor unit on the support. 2. Fix the foot holes of outdoor unit with bolts. foot holes Step four: connect indoor and outdoor pipes 1. Remove the screw on the right handle of outdoor unit screw and then remove the handle.
  • Page 29 Installation of outdoor unit 1. Remove the wire clip; connect the power connection wire and signal control wire (only for cooling and heating unit) to the wiring terminal according to the color; Handle blue black brown yellow-green Indoor unit connection 2.
  • Page 30 Installation of outdoor unit Step six: neaten the pipes 1. The pipes should be placed along the wall, . Min. semidiameter of bending the pipe is 10cm. wall 2. If the outdoor unit is higher than the wall pipe before pipe goes into the room, in room.
  • Page 31: Vacuum Pumping

    Vacuum pumping Use vacuum pump 1. Remove the valve caps on the liquid valve and gas liquid valve piezometer valve and the nut of refri- gas valve gerant charging vent. refrigerant charging 2. Connect the charging hose valve cap vent gerant charging vent of gas nut of refrigerant valve and then connect the...
  • Page 32: Check After Installation

    Check after installation Items to be checked Possible malfunction The unit may drop, shake or emit noise. Have you done the refrigerant leakage test? (heating) capacity. It may cause condensation and water dripping. It may cause condensation and water Is water drained well? dripping.
  • Page 33: Configuration Of Connection Pipe

    1. Standard length of connection pipe 2. Min. length of connection pipe is 3m. 3. Max. length of connection pipe and max. high difference. Max length Max length Cooling Max height Cooling Max height of connec- of connec- capacity difference capacity difference tion pipe...
  • Page 34 Additional refrigerant charging amount for R22, R407C, R410A and R134a Diameter of connection pipe Outdoor unit throttle Liquid pipe(mm) Gas pipe(mm) Cooling only(g/m) Cooling and heating(g/m)
  • Page 35: Pipe Expanding Method

    Pipe expanding method Note: Improper pipe expanding is the main cause of refrigerant leakage. Please expand the pipe according to the following steps: A: Cut the pipe E: Expand the port the distance of indoor unit and hard outdoor unit. mold expander pipe...
  • Page 36 66129915445...

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Wst12mh16sWst12mc16s

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