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1

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IN

S

T

A

L

L

A

T

IO

N

 W

A

R

N

IN

G

Installation 
commitment

Users can

t  install the units by themselves, or the water leakage, 

electrical shock or fire may be caused..

 WARNING

Humidifier and other accessories must be specified, otherwise
the water leakage, electrical shock or fire may be caused. Please
entrust  the professional person to do the installation.

 Take measure to prevent
the refrigerant leakage from
the asphyxial accident. 

When installing in a small room, actions should be taken in
case the thickness of refrigerant exceeding proper range. 
Otherwise, it will cause people asphyxia.

Please contact the dealer to avoid the asphyxial accident.

Ensure grounding correctly.

Please entrust the dealer or the professional person to do the 
installation.

Please use the 
specified product.

Accessories must be specified

Defective grounding may cause electrical shock.

Grounding 

!

!

 

Markers                              

Icons

Icons 

Indication

 The sign shows the risk of 
 death or serious injury will 
 be caused due to the wrong
operation .

The sign shows the risk of
injury or the damage to the 
property will be caused due 
to the wrong operation.

Please thoroughly read this manual to operate the air-conditioner correctly and safety to prevent 
the damage of the property and the personal hurt.
Before you come to the text, please be familiar with the following markers and icons, and 
comply with the precautions.

WARNING

  CAUTION

Followed by the detailed illustration

Followed by the detailed illustration

SAFETY PRECAUTION

ENFORCE

FORBID

Indication

1. Injury means causing from the harm, burn and electrical shock , but not serious for the
    hospitalization.
2. The damage of material means the disrepair of property and material.

NOTE :

Markers                              

Summary of Contents for MUB-18HRDN1

Page 1: ...Owner s Manual Please read this owner s manual carefully before using the air conditioner and keep this manual for the future reference AIR CONDITIONER...

Page 2: ...1 1 2 Note Before 3 4 5 6 7 8 Abnomal Phenomenon Safety Precaution Operation Caution Parts Identification Operation Adjustment Air Flow Direction Maintenance 3 5 6 8 9 10 13 CONTENTS...

Page 3: ...lease use the specified product Accessories must be specified Defective grounding may cause electrical shock Grounding Markers Icons Icons Indication The sign shows the risk of death or serious injury...

Page 4: ...e Ensure the creepage protection switch Ensure the installation place User caution Ventilation should be operated regularly when using with the flammable appliance Insufficient ventilation will cause...

Page 5: ...s the defined value Using the iron wire or brass wire as fuse can cause the fire and malfunction The power must use the specified circuit under the rated voltage Use the right fuse Note Before Operati...

Page 6: ...air filter is too dirty The air intake and the air outlet of the indoor unit are blocked Fan Runs after the Indoor Unit Stopped To protect the machine one of the indoor units which stops the running...

Page 7: ...cooling Do not disconnect the power Do not disconnect the power when the unit is in operation Please control it with the remote controller To protect the compressor please turn on the power switch 12...

Page 8: ...osing the Air Grille Air Intake Intake air from here Air Filter Filter the dust in the intake air Two direction or Three direction Air Outlet For the detailed information please consult your local dea...

Page 9: ...in the air Air Intake Intake room air here Lock Buckle For closing the air intake grille Air Outlet Connect the duct 7 Thin Duct Ceiling Type Indoor unit Electric control box Air Intake Intake room ai...

Page 10: ...old Cooling Suggested Temperature Heating Close the door window Close the door window Do not let the heat cool air leak from the door widow Adjust the air out direction with using the air out louver T...

Page 11: ...ling operation the air flow down will cause condensing dew on the air outlet and louver surface Four Way Cassette Type Cooling operation Heating operation When using the panel with auto louver press S...

Page 12: ...reased If the accumulated dust is too heavy to be cleaned please replace the filter with a new one the replaceable air filter is an optional fitting 1 Take out the air in grill Four Way Cassette Type...

Page 13: ...rack or deform To avoid the risk of electrical shock or fire do not let water fall into the indoor unit Never wipe the air flow louver violently An air conditioner without air filter can not expel the...

Page 14: ...grounding wire is not broken off and is connected well 2 Restore the air filter and the front panel The air filter and the front panel must be fixed to the original position after having been cleaned...

Page 15: ...eed is shifted in low or if the shift is under FAN mode If the setting temperature is appropriate At the beginning and ending of the running process sounds like water flow in valve appears and be enha...

Page 16: ...MDV06U 015aW 2200017221...

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