Pioneer® 12,000 BTU 19 SEER 230V Ductless Mini-Split Air Conditioner Heat Pump System Full Set

Model Number: WYS012GMFI19RL-10

Limited Time Offer!

  1. Free Shipping within the Continental US
  2. Pre-Charged with R410A for line lengths up to 25 ft long
  3. Various Installation Kit Options Available (See Below)
  4. Includes Free Flare Connection Leak Guard Sealer
  5. Wholesale Price Directly from Factory
  • $813.00
  • Save $117


  • Ultra High Efficiency Inverter+ ductless mini split heat pump system
  • Cooling capacity: 12,000 BTU/H with 19.5 SEER efficiency
  • Heating capacity: 12,000 BTU/H with 10 HSPF efficiency
  • Voltage: 208~230V, 60Hz, 1Ph
  • High Wall Mounted Air Conditioning & Heating System
  • Variable Speed DC Inverter Operation Mode
  • Customizable length copper line set with flare connections
  • AHRI Estimated Annual Operating Costs:
    • Cooling: $86.00
    • Heating: $265.00


R410A Pre-Charged Outdoor Unit, accommodating refrigerant line lengths up to 25 ft. per circuit.


The installation kit is necessary for the system to function. Do not select the "Without Installation Kit" option from the dropdown unless you are providing one yourself. The installation kit is: copper refrigeration lines, communication wire between indoor and outdoor unit, 10 ft drain hose, wall cap, sleeve, and putty.

High Wall Mounted Ductless Mini Split

Mini Split Wall Mount Inverter+ and Inverter++ Series

At Pioneer Mini Split, we offer variable capacity ductless wall-mount mini split systems, available with different efficiency ratings and in a variety of capacities for simple installation and great single-zone comfort. A convenient remote controller conveys cooling, heating, dehumidification, and ventilation requests to the wall-mount ductless mini split system, while automatic air-sweeping louvers, automatically varying air flow, and capacity adjustments keep the zone at the ultimate comfort level. This results in minimal electrical consumption. Check out our selection of AC mini split wall mounts today!

More details about Pioneer® WYS Series

What's Included

  • Indoor Unit
  • Outdoor Unit
  • Wireless Remote Control
  • Various Installation Kit Options Available
  • Flare Connection Leak Guard Sealer
  • Installation Manual
  • User’s Manual
  • Manufacturer Warranty

Our Guarantee

  • 5 year parts limited warranty
  • 5 year compressor limited warranty


  • Front Desk Control
    With a smart control board, Pioneer air conditioners can be turned on/off via long distance control signals.
  • 46° F Heating

  • Refrigerant Leakage Detect 
    Indoor unit shows error code "EC" and stops automatically when refrigerant leakage is detected. This protects the compressor from high temperature damage due to refrigerant leakage.
  • Anti-cold Air Function 
    Indoor fan speed is regulated automatically from the lowest grade to the setting grade according to evaporator temperature when the unit just starts heating operation. This function can prevent cold air blowing out to avoid discomfort to the users.
  • Emergency Using

  • Low Ambient Cooling 
    With built-in low ambient kit or special designed PCB, outdoor fan speeds can be changed automatically according to condensation temperature. The air conditioner can run cooling operation even when the outdoor ambient temperature is down to -15°C.
  • Follow Me 
    Temperature sensor built in the remote controller will sense it’s surrounding temperature. The unit will adjust the room temperature more accurately to give you comfort.


  • Wired Controller
    Compared with infrared remote controller, wired controller can be fixed on the wall and makes air conditioner control more convenient.
  • Remote in Engineer Mode

  • Central Control Management
    The centralized controller is a multi-functional device that can control up to 64 indoor units within a maximum connection length of 3.90 Ft.


Pioneer Mini Split Certifications

Performance Data

  • Power Supply: 208~230V, 60Hz, 1Ph
  • Cooling Rated Capacity: 12,000 BTU/h
  • Cooling Capacity Range: 3,700~13,000 BTU/h
  • Cooling SEER: 19.5 BTU/w
  • Heating Rated Capacity: 12,000 BTU/h
  • Heating Capacity Range: 3,500~13,500 BTU/h
  • Heating HSPF4/HSPF5: 10.0 / 8.0 BTU/w
  • Refrigerant Type: R410A/30
  • Suitable Area: 350~450 Sq.F

Indoor Unit Data

  • Air Flow (Hi/Med/Lo): 323.5 / 282 / 212 CFM
  • Sound Level (Hi/Med/Lo): 38 / 32 / 24 dB(A)
  • Net Dimensions (WDH): 31.57 x 7.44 x 11.69 Inches
  • Carton Dimensions (WDH): 34.45 x 11.22 x 14.96 Inches
  • Net / Gross Weight: 19 / 25 Lbs

Outdoor Unit Data

  • Sound Level: 55 dB(A)
  • Net Dimensions (WDH): 31.5 x 13.11 x 21.81 Inches
  • Carton Dimensions (WDH): 36.22 x 15.35 x 24.21 Inches
  • Net / Gross Weight: 67 / 72.75 lbs


Ask a Question
  • Is it possible to shut off the temperature display on the front of the unit? It may to bright for sleeping?

    Absolutely, just hit the LED button on your remote and it will turn the display off.

  • What size are the line set connectors for 12k unit

    This system takes 1/4" and 1/2" diameter sized lines.

  • How many square footage does this cover?

    This is recommended to be used for spaces between 200 and 450 square feet in typical scenarios.

  • My current outdoor a/c compressor has a double pole 30 amp breaker, would i be able to run 2 of these units off that single breaker?

    Each condenser unit needs its own dedicated breaker. As such, you would need two breakers for two systems, or keep that 30A and put a multi-zone system on it.

  • What size hole is needed for refrigerant and communication lines?

    It would be a 2.5" diameter hole.

  • can this unit be controlled by wifi

    Yes, you would just need to incorporate this device.

  • Did I read correctly, the provided electrical cable that comes with the line set for communication between the inside and outside units is the only power wire that will be needed for the operation on the inside unit. ?

    That is correct. Outdoor unit powers indoor unit via the signal cable.

  • What are the dimensions of the indoor unit?

    Net Dimensions (WDH): 31.57 x 7.44 x 11.69 Inches

  • Is this the inverter+ or ++?

    This is an Inverter+. The Inverter++ line would be found here.

  • How many sq feet is this unit rated for?

    For general applications, this system is intended for spaces sized between 200 and 450 square feet.

  • What size breaker do I need for 220 volt 12000btu unit for 500 sf

    This particular unit would take a 15A double pole breaker.

  • what is cost of wall mounting brackets for outside unit for this system

    Those are available here.

  • I know this comes with a wall-mount kit for the indoor unit, but does it come with a wall mount kit for the outdoor unit?

    The wall mounting brackets for the outside unit are sold separately as an accessory and are available for purchase here or here.

  • this unit use regular 120 v. or 220v?

    This particular system uses 208/230V and not 110/120V. The 110/120V version is located here.

  • Does wall unit come with mounting brackets?

    Yes the indoor wall handler comes with the mounting bracket pre-attached on the back.

  • Can this system be thermostat controlled to cycle on and off

    It can be programmed to come off once set temperature is hit like an on/off unit would, though this would decrease efficiency.

  • Is a there a filter on this unit that needs to be changed from time to time? Thanks!

    The units come with 2 wash-able filters.
    There's also some supplementary ones that need replacing every year.

  • Does the blower cycle on and off as needed when the unit is on?

    This is not an on/off system, it is an inverter so it stays on but adjusts down fan speed to fight the heat loss and maintain the set temperature. This makes it much more energy efficient than turning on and off all the time. You are able to program the unit to turn off when set temperature is reached, if desired.

  • Can more than one mini split be run from the same condenser?

    This would require a multi-zone solution: multi-zone

  • Does this heating / cooling system require access to natural gas lines, or can it be run on electric only?

    This is a heat pump that uses refrigerant and runs on electricity, it cannot and does not require gas.

  • It says 45deree heating standard feature what does that mean what is the temp when heat pump stops?

    This is referring to freeze-protection (FP) mode. It is a "vacation mode" meant to protect the lines from freezing by maintaining a 46°F heating output. This particular system will heat and cool down to +5°F outside temperatures.
    You can also consider our Inverter++ line, which HEATS down to -13°F.

  • do you need a pro to make the connections and draw a vacuum?

    It is not required but recommended to have a tech come to pull a vacuum, check pressures, and release the pre-charged refrigerant. It can also be DIY with the use of special tools such as vacuuum pump and pressure gauges.

  • Does the mini split model WYS012GMFI19RL-16 come with a pad, cooper line set and communication cable?

    The "-16" at the end indicates that it will come with a 16 ft. copper lineset and 16 ft. communication cable. This can be modified on the dropdown menu, above the "add to cart" button. It would not come with a pad.

  • Where will i need to supply electricity for the system to work, inside or outside or both?

    The outdoor unit for this particular system requires a 15A double-pole breaker. The indoor unit will draw power from the outdoor unit via the communication cable included within the installation kit.

  • How many amps is does this need to run off? I'm asking so I can get the proper breaker. Thank you.

    This particular system requires a 15A double-pole breaker.

  • How many square feet will this unit cool and heat

    We recommend this unit to be used for rooms between 200 and 450 square feet.

  • What type of wire used to connect the mini split

    For power to a 230V outdoor unit it would need 2 hots and a ground, THHN type.
    For the gauge it would either be 14 or 12 AWG depending on your local electrical codes for 15 amps (the 2-pole breaker size needed for this unit).

  • What temperature does the heat pump work in? If it is 20 degrees outside, will the heat pump still work?

    This particular system will heat and cool down to +5°F outside temperatures.
    You can also consider our Inverter++ line, which HEATS down to -13°F.

  • How short can I cut the line set to ??

    The minimum we recommend is 5 feet.


    We do not recommend anything more than 1 inch as this can interfere with return air input.

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