Pioneer Dual Split 21000 BTU 1.5-Ton Quantum Ultra Wi-Fi 24 SEER2 Energy-Star Multi (2) Zone Wall Mount Air Conditioner Heat Pump 230-Volt - WYT020GLSI24M2-12W-9W

Pioneer Dual Split 21000 BTU 1.5-Ton Quantum Ultra Wi-Fi 24 SEER2 Energy-Star Multi (2) Zone Wall Mount Air Conditioner Heat Pump 230-Volt - WYT020GLSI24M2-12W-9W

Pioneer brand multi split heat pump system, complete set. System components include: one multi zone outdoor unit, matching multiple wall mount indoor units, piping and accessory kits and remote controllers. Pioneer Quantum Ultra multi split systems are available in 5 versions; for 2, 3, 4, and 5 zones.

Features

• Ultra-high efficiency inverter++ ductless multi split dual (2) zone heat pump system
• (x1) inside unit cooling capacity: 12,000 BTU/H nominal capacity + (x1) inside unit cooling capacity: 9,000 BTU/H nominal capacity, condensing system 18,000 BTU/H (Range: 5,100 minimum - 18,700 maximum) with 24 SEER/13.0 EER efficiency
• Heating capacity: 20,000 BTU/H nominal (range 4,900 minimum - 23,000 maximum) with 10 HSPF/3.5 COP efficiency
• Voltage: 208 - 230-Volt, 60 hertz, 1 phase (standard household 2 line power, l1-l2-g)
• Energy-Star Certified and Wi-Fi Enabled
• Complete system set including: indoor (fan coil) section, outdoor (condenser) section, wireless remote controller with wi-fi, insulated flared line set with other installation accessories
• Unsurpassed support hotline covering installation, use, troubleshooting, warranty and parts issues
• Ultra low ambient system can heat with high capacity at -13°F ambient outdoor temperatures
• Pre-charged with eco-friendly R454-B refrigerant to support total combined attached lineset lengths up to 50 ft long
• Pioneer is the best choice for pros and homeowners with the highest ratings for consumer satisfaction
• Certified by: ETL, AHRI, DOE for safety, performance and efficiency
• Built with the latest technologies using pulse width modulation driven DC inverter compressor and variable speed DC inverter fan motors for high performance and low power consumption

Manuals

• Technical Brochure
  
• Service Manual
  
• Submittal Sheet
• Installation Manual (Multi-Split Addendum)  
• AHRI Certificate
• Energy Guide

What our Experts Think

• Balanced dual‑zone performance (≈21,000 BTU total)
  The Pioneer Dual Split 21000 BTU 1.5‑Ton Quantum Ultra Wi‑Fi Multi Zone System pairs one 12,000 BTU and one 9,000 BTU indoor unit with a single outdoor condenser to comfortably condition two rooms independently—ideal for living rooms + bedrooms or office + guest space setups.

• Ultra‑high efficiency (24 SEER2 + Energy‑Star)
  Seasonal efficiency is among the top in its class, significantly reducing electricity cost compared with conventional HVAC systems and qualifying for many energy rebate programs.

• Wi‑Fi smart control built in
  Integrated Wi‑Fi connectivity lets you adjust temperatures, schedules, and modes remotely from your smartphone—boosting convenience and enabling smarter energy management.

• Inverter++ DC technology for precise comfort
  Variable‑speed compressor and fan motors deliver smooth, responsive temperature control, quieter cycling, and better comfort stability than fixed‑speed units.

• All‑season heat pump capability
  Delivers efficient cooling in summer and dependable heating in winter, with the ability to heat at outdoor temperatures as low as ~‑13 °F—great for varied climates.

• Complete system with accessories
  Includes outdoor condenser, indoor wall‑mount units, wireless remotes, insulated line sets, and installation accessories—simplifying setup with all necessary components.

• Eco‑friendly refrigerant & cold‑climate readiness
  Pre‑charged with low‑GWP R454B refrigerant and designed for ultra‑low ambient operation, supporting comfort and sustainability.

• Quiet, reliable daily use
  Balanced airflow and smart compressor modulation keep operation quiet and stable, ideal for living areas, bedrooms, or home offices.

Q&A

Q: What room size is this 21,000 BTU dual split mini split ideal for?
A: Ideal for medium to large spaces (approx. 700–1,000 sq. ft.), such as living areas, offices, or open-plan rooms.

Q: Does it provide both cooling and heating?
A: Yes, this inverter heat pump delivers efficient year-round cooling and heating for all connected zones.

Q: How many zones does this system support?
A: Dual-zone system supports two indoor units with independent temperature control for each zone.

Q: Is this unit Energy Star certified?
A: Yes, it is Energy Star certified, ensuring high efficiency and lower electricity costs.

Q: How energy-efficient is the 24 SEER2 rating?
A: With 24 SEER2, it provides exceptional energy savings while maintaining consistent comfort across both zones.

Q: Does it support Wi-Fi or smart control?
A: Yes, built-in Wi-Fi allows remote operation, scheduling, and monitoring for each indoor unit via the Pioneer Airlink app.

Q: What voltage does it require?
A: Designed for 208–230V single-phase power.

Q: What is included in the full set?
A: Includes two indoor wall-mount units (12,000 BTU and 9,000 BTU), one outdoor condenser, and pre-charged installation kits for both units.

Q: How quiet are the indoor units?
A: Operates quietly, typically 30–40 dB, suitable for bedrooms, living areas, or offices.

Q: What comfort and usability features are included?
A: Turbo mode, ECO mode, sleep mode, self-cleaning, auto restart, timer, and multi-directional airflow for both zones.

Maintenance Tips

• Clean washable air filters every 2–4 weeks – Maintains optimal airflow and 24 SEER2 Energy Star efficiency for multi-zone 700–900 sq ft coverage

• Run self-clean function regularly – Prevents mold, bacteria, and odor buildup in both indoor units

• Keep indoor & outdoor units free of dust and debris – Ensures consistent airflow and peak heat exchange across both zones

• Check and clear condensate drain lines – Prevents leaks and potential water damage

• Maintain 2–3 ft clearance around outdoor unit – Supports efficient cooling/heating performance

• Inspect refrigerant lines annually – Ensures leak-free operation and reliable multi-zone capacity

• Use ECO, Sleep & Wi-Fi smart modes – Reduces compressor wear and lowers energy consumption

• Schedule annual professional servicing – Maximizes inverter efficiency and extends system lifespan