Ductless FAQs


Haier - Ductless Air Conditioner Temperature On Unit Higher Than Measured Temperature

If the temperature displayed on the wall unit shows a higher temperature than what you are measuring with a thermometer on the table (for example), this is because of where the unit is mounted on the wall. The thermostat is in the ductless (split air)  the unit is mount...

Haier - Ductless Air Conditioner Celsius or Fahrenheit

To change the temperature display from Celsius to Fahrenheit:Locate the "Extra Function" and "Confirm/Cancel" buttons on the wireless remote.Press the "Power" button to turn the remote "On".While viewing the LCD display on the wireless remote, tap the "Extra Function" button multiple times until the...

Haier - Ductless Air Conditioner Inverter

180° Sine Wave DC Inverter:Using a new pulse amplitude modulation technology (“A-PAM”), the 180° sine wave DC inverter on ductless (split air) air conditioners allows for greater stability at low frequencies and greater power at high frequencies—all while improving cooling efficiency over existing s...

Haier - Ductless Air Conditioner SLEEP Mode

The benefit of SLEEP mode is that it raises or lowers the room temperature throughout the night, making sure it is never too hot or too cold, all while also saving you significant energy.SLEEP mode during COOL, DRY modes:One hour after SLEEP mode starts, the temperature will rise 2°F above...

Haier - Ductless Air Conditioner Runs But Will Not Cool

If your ductless (split air) air conditioner is running but not cooling, check the following: Verify the unit is in COOL mode and not DRY mode. If the unit is set to COOL, the fan will continue to run even after the room has reached set point. This is normal operation.  Check the...

Haier - Ductless Air Conditioner Remote Control Operation and Troubleshooting

Indoor units are controlled by a wireless remote control.Each indoor unit comes with a wireless remote control and is used to make any changes to unit settings.The remote does not sense the room temperature (like other units). The sensor is inside the indoor unit.Remote comes with a w...

Haier - Ductless Air Conditioner Symbols on Remote

Indoor mini-split ductless units are controlled by a wireless remote control. The remote will show whether the unit is in Cool, Heat, Fan, or Dry/Dehumidify mode by displaying a symbol (icon) at the top of the remote display.Cool Mode: Snowflake symbol Heat Mode: Sun symbolFan Mode: Fan symbol ...

Haier - Ductless Air Conditioner Cold Air Proof Operation

At initial start of heat mode, the indoor blower will not be turned on immediately. In cold air proof operation,the fan remains on after startup. It will not come on until the  indoor coil temperature senses a minimum temperature. This period usually takes 30 seconds to 3 minutes depe...

Haier - Ductless Air Conditioner Indoor Unit Installation - High ESP Duct

The High ESP Duct Indoor Air Handler consists of a single assembly.Installation: The High ESP Duct unit will install above the ceiling or in a soffit area. It is mounted using threaded rods that fit into brackets that are located at all four corners of the High ESP Duct assembly. The ...

Haier - Ductless Air Conditioner COOL Mode

In COOL mode, the unit operates to cool the room.  The temperature control range in cooling mode is 60°F - 86°F.Indoor UnitTo enter the cool mode, point the infrared remote control at the indoor unit and press the power button., then press the COOL mode button if not already set to cool mode.Th...

Haier - Ductless Air Conditioner Fan Runs All the Time in COOL Mode

For ductless (split air) air conditioning units, the fan will operate the entire time while in COOL mode. This is a normal operating condition. The indoor fan needs to be operating to draw air across the indoor unit sensor to determine the temperature of the room. This determines whether the ou...

Haier - Ductless Air Conditioner Turns Off and On Every Few Minutes

When set to HEAT mode, the system will shut down once the room reaches the set point. The fan will cycle on every few minutes to sample the air temperature. This is normal operation.Other causes:  The ductless (split air) unit could be too large for your room and is "short cycling." This happen...

Haier - Ductless Air Conditioner Cleaning Outdoor Unit

If your manual does not provide guidance, then we recommend having a professional Heating & Air  Service and/or cleaning company address the outdoor system. 

Haier - Ductless Air Conditioners Seacoast Applications

The outdoor condenser unit on ductless air conditioners should be installed at least ½ mile away from the salt water, including seacoasts and inland waterways.If the unit is installed from ½ mile to 5 miles away from the salt water, install the outdoor unit in a place (such as near buildings etc.) w...

Haier - Ductless Air Conditioner Cleaning Indoor Unit and Filter

To clean the ductless (split air) indoor unit: Wipe with a clean, dry cloth. For serious stains, wipe with a damp, (not wet) cloth and mild detergent diluted with water. Make sure there is no detergent residue on the unit.Filter Cleaning (Recommended every 30-60 days): Open the inlet grille by pulli...

Haier - Ductless Air Conditioner Multi-Zone Systems

Haier multi-zone ductless (split air) systems let you design ultra-customized HVAC solutions for virtually any project. New residential spaces, older home renovations and many businesses can benefit from multi zone ductless air conditioning and heating systems. These flexible ductless mini split sys...

Haier - Ductless Air Conditioner Single-Zone Systems

When you have one room in your home or business that is always too hot or too cool, we have the solution. Our single zone ductless air systems even out the temperatures and keep you comfy. They’re great for attic spaces, bonus rooms, garages, basements and add-ons. Find Single Zone Ductless Hea...

Haier - Ductless Air Conditioner Freeze Protection

To prevent freezing of the indoor unit coil during cool mode, when the compressor operates continuously for 10 seconds and the temperature of the indoor coil has been below 32°F for 10 seconds, the compressor will stop, and the error will be recorded in the malfunction list.The indoor unit fan will ...

Haier - Ductless Air Conditioner Will Not Run

If your ductless (split air) air conditioner will not run, check the following: Does the indoor unit respond to control demands?  If it does not, check for a tripped breaker. If the breaker continues to trip after resetting it, a service provider should be called. If you have more than one...

Haier - Ductless Air Conditioner Error Codes

Ductless (split air) air conditioners will display an error code beginning with either an E or an F (ex. E7, F8) when the system needs attention. Error codes will be displayed at the indoor unit on the LED display or a flashing pattern of the LED lights. These codes tell a qualified s...

Haier - Ductless Air Conditioner Fan Mode

On ductless (split air) air conditioners, if your remote does not have a "F/C" button to switch between Fan mode and cooling, you can use the following steps to put your unit in Fan mode: Locate the "Extra Function" and "Confirm/Cancel" buttons on the wireless remote. Press the "Power" button to tur...

Haier - Ductless Air Conditioner Wall Unit Display Turns Off

If the wall unit display turns off after making a selection with the remote control, the display can be set to stay on. On the ductless (split air) remote control, press the "light" button to return the wall unit display to being constantly lit. The "light" button feature is used to turn t...

Haier - Ductless Air Conditioner Airflow Features

Airflow Features on Ductless (Split Air) Air Conditioners:3D Airflow - delivers air vertically and horizontally for even distribution throughout the room.Auto-Louver Airflow - automatically adjusts air flow upward when cooling, or downward when heating.

Haier - Ductless Air Conditioner Wind Baffle Free

Using a FlexFit 12,000 BTU or 18,000 BTU outdoor unit in a single-zone configuration, you can cool in ambient temperatures down to 0°F without the use of a wind baffle. However, wind baffles improve unit efficiency in low ambient conditions by decreasing subcooling and improving capacity, making the...

Haier - Ductless Air Conditioner Freezing Up

Several common problems can cause the ductless (split air) air conditioner to freeze-up:Insufficient Air FlowAnything that restricts air flow will cause the temperature of the system's evaporator coil to drop below freezing.Humidity in the air will collect on the coil causing ice to build-up, which ...

Haier - Ductless Air Conditioner Tubing

Inner-Grooved Copper Tubing:The inside surface of Haier copper tubing is grooved with inner slots to enlarge the contact surface area—increasing heat efficiency exchange by 30-50% on ductless (split air) air conditioners.

Haier - Ductless Air Conditioner Compressor

Twin Brushless DC Rotary Compressor:The two-cylinder design has a larger capacity and gives better balance than a single rotary design—reducing vibration by 80% while producing uniform torque for greater efficiency on ductless (split air) air conditioners.

Haier - Ductless Air Conditioner Setting and Operating Modes

Indoor mini-split ductless units are controlled by a wireless remote control or wired thermostat (on some models). The operating temperature range is 60°F-86°F.Controls and AccessoriesOperating modes on Haier Ductless (Split Air) Air Conditioners:Cool Mode In COOL mode, the unit operates to cool the...

Haier - Ductless Air Conditioner Color / Paint

Each Haier Ductless (Split Air) model is offered in a standard white color.Painting the indoor unit is not recommended. If for any reason a problem occurs with the unit in the future, the Haier warranty will voided.

Haier - Ductless Air Conditioner Defrost

When the system initiates a call for defrost, the indoor fan motor stops. The system will cycle through the defrost operation and then resume heating. The indoor unit display will not change.

Haier - Ductless Air Conditioner Self-Cleaning Evaporator

With the Self-Cleaning Evaporator on Ductless (Split Air) Air Conditioners, dust that accumulates on the evaporator will be removed by flowing water.

Haier - Ductless Air Conditioner Timer Function

The TIMER can be set to turn the unit on and/or off after a certain amount of time (.5 hrs up to 24 hours).  The TIMER can be set to Start and Stop  or Stop and then Start.Timer ON ButtonOn-Off Operation:Start the unit and select the desired operating mode (except SLEEP mode)Pres...

Haier - Ductless Air Conditioner Blue Fin Coating

Blue Fin coating is used on both the indoor and outdoor coils of ductless (split air) air conditioners. This coating provides treatment for the coils, improving condensation flow and providing protection to the coil material.

Haier - Ductless Air Conditioner Operation Without Remote

On a ductless (split air) air conditioner, the indoor unit can be operated without the remote control by pressing the "Emergency Run" button with a non-metallic pen or pencil. You will find the button in an opening underneath the unit cover on the right side of the case. Simply press ...

Haier - Ductless Air Conditioner Installation

Only an authorized certified HVAC contractor can install Haier Ductless (Split Air) units. Installing a mini-split ductless conditioner is more advanced than that of a window or portable unit but far less complicated and far less costly than installing central air conditioning system. For optimal pe...

Haier - Ductless Air Conditioner HEAT Mode

In HEAT mode, the unit operates to heat the room.  The temperature control range in heating mode is 60°F - 86°F.Indoor UnitTo enter the heat mode, point the infrared remote control at the indoor unit and press the power button, then press the HEAT mode button if not alr...

Haier - Ductless Air Conditioner Indoor Unit Installation - Cassette

The Cassette Indoor Air Handler consists of a cassette assembly and operational louver.Installation:It is mounted to the building structure using threaded rods that fit into brackets that are located at all four corners of the cassette assembly. The threaded rods should have washers and nuts (n...

Haier - Ductless Air Conditioner Health Button on Remote

On ductless (split air) systems, the remote has a "Health" button. This feature is for other markets and is not applicable on North America models.If the Health button is accidentally pressed, an icon (may look a Christmas tree on some models) will appear on the display. Press the Health b...

Haier - Ductless Air Conditioner 2-Way Piping Drain

2-Way Piping Drain on Ductless (Split Air) Air Conditioners allows the installer to drain the condensate from either the left or right side, making installation easier.

Haier - Ductless Air Conditioner Fan / Blower Design

For our indoor ductless (split air) units, we lengthened the cross-flow fan and enlarged inlet/outlet openings to increase air volume—allowing us to create airflow strong enough to travel up to 60 feet. On our outdoor ductless units, the improved fan blade design allows them to run at lower ambient ...

Haier - Ductless Air Conditioner HEAT and COOL Mode On Multiple Units

On a multi-split air system where there are multiple units connected to a single outdoor unit, one unit cannot be operated in COOL mode while the other is in HEAT mode. The outdoor unit can provide only one mode of operation at a time. The first unit to turn on determines which mode t...

Haier - Ductless Air Conditioner Defined

Like central systems, ductless air systems (also known as "mini split" or "split air" systems) have two main components: an outdoor compressor/condenser, and an indoor air-handling unit. A conduit, which houses the power cable, refrigerant tubing, suction tubing, and a condensate drain, links the ou...

Haier - Ductless Air Conditioner Auto Changeover

AUTO Changeover automatically alternates from heating to cooling to maintain the set temperature on Ductless (Split Air) Air Conditioners.

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