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9

installation & owner’s manual

1.    IMPORTANT SAFETY INFORMATION

To  prevent  injury  to  the  user  or  other  people  and  property 
damage, the following  instructions must be followed. Incorrect 
operation  due  to  ignoring  of  instructions  may  cause  harm  or 
damage. 

Ask your dealer for installation of the air conditioner. 

Incomplete installation performed by yourself may result in a 
water leakage, electric shock, and fire. 

Ask  your  dealer  for  improvement,  repair,  and 
maintenance.

 

Incomplete  improvement,  repair,  and  maintenance  may 
result in a water leakage, electric shock, and fire. 

In  order  to  avoid  electric  shock,  fire  or  injury,  or  if  you 
detect any abnormality such as smell of fire, turn off the 
power supply and call your dealer for instructions.

Never  let  the  indoor  unit  or  the  remote  controller  get 
wet.

 

It may cause an electric shock or a fire.

Never  press  the  button  of  the  remote  controller  with  a 
hard, pointed object.

 

The remote controller may be damaged. 

Never replace a fuse with that of wrong rated current or 
other wires when a fuse blows out. 

Use of wire or copper wire may cause the unit to break down 
or cause a fire. 

It is not good for your health to expose your body to the 
air flow for a long time.

Do  not  insert  fingers,  rods  or  other  objects  into  the  air 
inlet or outlet.

 

When the fan is rotating at high speed, it will cause injury. 

Never  use  a  flammable  spray  such  as  hair  spray, 
lacqueror paint near the unit.

 

It may cause a fire. 

Never touch the air outlet or the horizontal blades while 
the swing flap is in operation. 

Fingers may become caught or the unit may break down. 

Never put any objects into the air inlet or outlet.

 

Objects touching the fan at high speed can be dangerous.

Never inspect or service the unit by yourself.

 

Ask a qualified service person to perform this work. 

Do not use the air conditioner for other purposes. 

In order to avoid any quality deterioration, do not use the unit 
for  cooling  precision  instruments,  food,  plants,  animals  or 
works of art. 

Before  cleaning,  be  sure  to  stop  the  operation,  turn  the 
breaker off or pull out the supply cord. 

Otherwise, an electric shock and injury may result. 

In order to avoid electric shock or fire, make sure that an 
earth leak detector is installed.

Be sure the air conditioner is grounded.

 

In  order  to  avoid  electric  shock,  make  sure  that  the  unit  is 
grounded and that the earth wire is not connected to gas or 
water pipe, lightning conductor or telephone earth wire.

In order to avoid injury, do not remove  the fan guard of 
the outdoor unit.

Do not operate the air conditioner with a wet hand. 

An electric shock may happen. 

Do not touch the heat exchanger fins. 

These fins are sharp and could result in cutting injuries.

Do not place items which might be damaged by moisture 
under the indoor unit. 

Condensation  may  form  if  the  humidity  is  above  80%,  the 
drain outlet is blocked or the filter is polluted. 

After  a  long  use,  check  the  unit  stand  and  fitting  for 
damage.

 

If damaged, the unit may fall and result in injury.

To  avoid  oxygen  deficiency,  ventilate  the  room 
sufficiently  if  equipment  with  burner  is  used  together 
with the air conditioner.

Do  not  dispose  this  product  as  unsorted  municipal 
waste.Collection  of  such  waste  separately  for  special 
treatment is necessar

Do  not  dispose  of  electrical  appliances  as  unsorted 
municipal waste, use separate collection facilities.

Contact  you  local  government  for  information  regarding  the 
connection systems available.

If  electrical  appliances  are  disposed  of  in  landfills  or 
dumps,  hazardous  substances  can  leak  into  the 
groundeater and get into the food chain, damaging your 
health and well-being.

To prevent refrigerant leak, contact your dealer. 

When  the  system  is  installed  and  runs  in  a  small  room,  it  is 
required to keep the concentration of the refrigerant, if by any 
chance coming out, below the limit. Otherwise, oxygen in the 
room may be affected, resulting in a serious accident. 

The refrigerant in the air conditioner is safe and normally 
does not leak. 

If  the  refrigerant  leaks  in  the  room,  contact  with  a  fire  of  a 
burner, a heater or a cooker may result in a harmful gas.

Turn  off  any  combustible  heating  devices,  ventilate  the 
room,  and  contact  the  dealer  where  you  purchased  the 
unit. 

Do not use the air conditioner until a service person confirms 
that the portion where the refrigerant leaks is repaired. 

The  safty  precautions  listed  here  are  divided  into  two  categories.In 
either case,important safty information is listed which must be read 
cardfully.

The  appliance  shall  be  installed  in  accordance  with 
national  wiring  regulations.  Failure  to  observe  a  warning 
may result in death.

Failure to observe a caution may result in injury or damage 
to the equipment.

CAUTION

CAUTION

WARNING

OWNER’S MANUAL

Summary of Contents for MFA-12HRDN1-Q

Page 1: ...ding Type OWNER S MANUAL REMOTE CONTROLLER INSTALLATION Thank you very much for purchasing our air conditioner Before using your air conditioner please read this manual carefully and keep it for future reference ...

Page 2: ...ote controller All the pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased depend on model The actual shape shall prevail NOTE Air flow louver at air outlet Air inlet with air filter in it INDOOR UNIT OUTDOOR UNIT 1 6 7 1 3 4 2 5 7 8 9 Water tray Fig 1 ...

Page 3: ... service the equipment Improper installation repair and maintenance may result in electric shocks short circuit leaks fire or other damage to the equipment Install according to this installation instructions strictly If installation is defective it will cause water leakage electrical shock fire When installing the unit in a small room take measures against to keep refrigerant concentration from ex...

Page 4: ... part of the building it must be electrically insulated according to the relevant standards to electrical appliances When all the installation work is finished please turn on the power only after a thorough check Regret for no further announcement if there is any change of this manual caused by product improvement 2 INSTALLATION INFORMATION Ground the air conditioner Do not connect the ground wire...

Page 5: ...thers 4 Mounting screw ST2 9 10 C H Fig 3 1 Never throw or beat the controller Before installation operate the remote controller to determine its location in a reception range Keep the remote controller at least 1m apart from the nearest TV set or stereo equipment it is necessary to prevent image disturbances or noise interferences Do not install the remote controller in a place exposed to direct ...

Page 6: ... prevent image interference and noise in those electrical appliances Noise may be generated depending on the conditions under which the electric wave is generated even if 1 meter is kept There is enough room for installation and maintenance Refer to Fig 5 1 and Fig 5 2 The outlet and the inlet are not impeded and the influence of external air is the least The air flow can reach throughout the room...

Page 7: ... Refer to Fig 6 1 If possible do not install the unit where it is exposed to direct sunlight If necessary install a blind that does not interfere with the air flow During the heating mode the water drained off the outdoor unit The condensate should be well drained away by the drain hole to an appropriate place so as not to interfere other people Select the position where it will not be subject to ...

Page 8: ...eful when lifting it with a sling Never hold the inlet of the outdoor unit to prevent it from deforming Do not touch the fan with hands or other objects Do not lean it more than 45 and do not lay it sidelong Make concrete foundation accoding to the sepecif ications of the outdoor units Refer to Fig 6 6 Fasten the feet of this unit with bolts firmly to prevent it from collapsing in case of earthqua...

Page 9: ...e any winding The total length of the drain pipe when pulled out traversely shall not exceed 20m when the pipe is over long a prop stand must be installed to prevent winding Refer to the figures on the right for the installation of the pipes 8 CONNECT THE DRAIN PIPE Install the drainpipe of the indoor unit The outlet has PTI screw bread Please use sealing materials and pipe sheath fitting when con...

Page 10: ...gram located on the panel of the outdoor unit to connect the wire The connection cables of indoor and outdoor units have been connected to the terminals on the control board Remove the control cover from the outdoor unit by loosening the screw Hold the indoor plug connector and insert the mating plug connector located on the outdoor unit until it fixed with a clicking sound Secure the cable onto t...

Page 11: ...order to avoid electric shock make sure that the unit is grounded and that the earth wire is not connected to gas or water pipe lightning conductor or telephone earth wire In order to avoid injury do not remove the fan guard of the outdoor unit Do not operate the air conditioner with a wet hand An electric shock may happen Do not touch the heat exchanger fins These fins are sharp and could result ...

Page 12: ...ils AUTO The OPERATION lamp is lit and the air conditioner will run under AUTO mode The remote controller operation is enabled to operate according to the received signal FORCED COOL The air conditioner will turn to AUTO after it is enforced to cool with a wind speed of LOW for 30 minutes The remote controller operation is disabled COOLING TEST Partial units have this function The function just be...

Page 13: ...low direction properly to avoid winding toward your body Adjust the room temperature properly to get a comfortable situation and to avoid supercooling and superheat In cooling close the curtains to avoid direct sunlight To keep cool or warm air in the room never open doors or windows more often than necessary Set the timer for the desired operating time Never put obstructions near the air outlet o...

Page 14: ...the operating mode or situation air blows from the upper air outlet Use this switch when you do not want air coming out of the lower air outlet While sleeping stc Operating mode Situation Blowing pattern COOL mode HEAT mode When the room has become fully cool or when one hour has passed since turning on the air condition er So that air does not come into dir ect contact with people air is blo wn u...

Page 15: ...uum cleaner Refer to Fig 7 4 The air in side should face down when using water Refer to Fig 7 5 Press the claws on the right and left of the air filter down slig htly then pull upward Refer to Fig 7 2 Take off the especial function filter 3 Hold the tabs of the frame and remove the claws in 4 places Refer to Fig 7 3 The especial function filter can be renewed by washing it with water once every 6 ...

Page 16: ...inuous low shah sound is heard when the system is in cooling operation or at a stop When the drain pump optional accessories is in operation this noise is heard A pishi pishi squeaking sound is heard when the system stops after heating operation Expansion and contraction of plastic parts caused by temperature change make this noise Symptom 4 2 Indoor unit outdoor unit A continuous low hissing soun...

Page 17: ...unlight directly shine Too much heat resource Outdoor temp is too high Leakage of refrigerant or lack of refrige rant Wait for the comeback of power Switch on the power ReplLocation Replace the batterises or check the con troller Set the temperature properly Wait Check leakage and rightly recharge ref rigerant Vacuum and recharge refrigerant Maintenance or change compressor Install manostat Find r...

Page 18: ...e ON OFF button is pressed Check whether the signal transmitter of the remote controller is properly directed to the infrared signal receiver of the indoor unit when the ON OFF button is pressed Directly transmit the signal transmitter of the remote controller to the infrared signal receiver of the indoor unit and then repeatly push the ON OFF button twice The indication on the display disappears ...

Page 19: ... ON to 0 00 ECONOMIC RUNNING Button Press this button to go into the Energy Saving operation mode Press the button again to cancel TIMER OFF Button Press this button to preset the time OFF turn off the operation Each press will increase the time OFF setting in 30 minutes increments When the setting time displays 10 00 each press will increase the time OFF setting in 60 minutes increments To cancel...

Page 20: ...seconds the signal h disappears and the set temperature will re appear on the digital display 1 2 3 The Remote Controller uses two alkaline dry batteries LR03X2 Use the MODE select button to select AUTO Push the TEMP button to set the desired room temperature The most comfortable temperature setting are between 21 ć to 28ć Push the ON OFF button to start the air conditioner The OPERATION lamp on t...

Page 21: ...er and the receiver of indoor unit otherwise the air conditioner will not work Keep the Remote Controller away from any liquids Protect the remote controller from the high temperatures and exposure to radiation Keep the indoor receiver out of direct sunlight or the Air Conditioner may malfunction Keep Remote Controller away from EMI Electro Magnetic Interference supplied by other household applian...

Page 22: ...QSZIU 001AEN 202000100543 ...

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