Pioneer Diamante Pro™ 12,000 BTU 20.5 SEER2 115V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit - WYT012ALSI20RL

Pioneer Diamante Pro™ 12,000 BTU 20.5 SEER2 115V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit - WYT012ALSI20RL

• High Efficiency Diamante Pro™ Ductless Mini Split Heat Pump System
• Cooling capacity: 12,000 BTU/H with 20.5 SEER2 / 10.5 EER2 efficiency
• Heating capacity: 12,000 BTU/H with 9.5 HSPF2 / 3.41 COP2 efficiency
• Voltage: 110/120V, 60Hz, 1Ph
• High Wall-Mounted Ductless Air Conditioning & Heating System
• Variable-Speed DC Inverter Driven Performance
• Factory-Precharged with Environmentally Friendly R454b Refrigerant
• Low Ambient Range Operation (As low as -4°F in Heating / As high as 122°F in Cooling)

Features

• Heat Pump with Cooling, Heating, Dry, and Ventilation Modes
• Dual-Drainage Ports
• Washable, Reusable Air Filters
• Dual-Axis Airflow (Motorized Up-Down and Left-Right Louvers)
• Functional Remote with:
  • ECO and SLEEP Modes, for Energy-Conservation
  • Timer On/Off Control
  • TURBO, for Times of High-Demand
  • Self-Clean Cycle
  • MEMORY, to Recall Favorite Settings
  • IFEEL, to Detect and Adjust to Local Temperature

Technical Information & Performance

• AHRI Certificate
• Energy Guide

• System Kit
  • Power Supply: 110~120V, 60Hz, 1Ph
  • Cooling Rated Capacity: 12,000 BTU/h
  • Cooling Capacity Range: 3,400 ~ 13,000 BTU/h
  • Cooling SEER2: 20.5 BTU/W.h
  • Cooling EER2: 10.5 BTU/W.h
  • Heating Rated Capacity: 12,000 BTU/h
  • Heating Capacity Range: 3,400 ~ 13,900 BTU/h
  • Heating HSPF2 (Region IV): 9.5 / 8.2 BTU/W.h
  • Heating C.O.P.2 (47°F/5°F): 3.41 / 1.8 W/W
  • Refrigerant Type: R454b
  • Recommended Room Size: 200~500 sq ft
  • Minimum Room Size: 34 sq ft
  • Minimum Installation Height: 6 ft
  • Piping Diameter: 1/4 x 3/8"
  • AHRI Reference: 217048742
• Indoor Unit
  • Part Number: WT012ALSI20HLF
  • Air Flow (Turbo/Hi/Med/Lo/Mute): 342 / 270 / 235 / 200 / 152 CFM
  • Sound Level (Turbo/Hi/Med/Lo/Mute): 45 / 42 / 35 / 30 / 28 dB(A)
  • Product Dimensions (WDH): 31"-7/8 x 8" x 11"-1/2 Inches
  • Carton Dimensions (WDH): 34"-7/8 x 10"-3/4 x 14"-3/8 Inches
  • Net / Gross Weight: 19.8 / 26.5 lbs.
• Outdoor Unit
  • Part Number: YN012ALSI20RPF
  • Breaker Needed: 20A (single-pole)
  • Sound Level: 55 dB(A)
  • Net Dimensions (WDH): 31" x 11"-1/2 x 19"-3/8 Inches
  • Carton Dimensions (WDH): 33" x 13"-3/8 x 22"-3/4 Inches
  • Net / Gross Weight: 55.1 / 66.1 lbs

Dimension Chart

What Our Experts Think

• 12,000 BTU (1 ton) capacity ideal for bedrooms, offices, and small to medium rooms.

• High 20.5 SEER2 efficiency rating for superior energy savings.

• Inverter heat pump delivers quiet, reliable heating and cooling year-round.

• 115V power supply ensures compatibility with standard home outlets.

• Comes with a 16 ft. installation kit for straightforward setup.

Q&A

Q: What room size is this unit best for?
A: Suitable for spaces up to ~500 sq. ft., such as bedrooms or small living rooms.

Q: Can it both heat and cool?
A: Yes, inverter heat pump technology provides efficient year-round comfort.

Q: Does the kit include installation hardware?
A: Yes, a 16 ft. line set kit is included.

Maintenance Tips

• Wash or replace indoor air filters every 2–4 weeks.

• Keep outdoor condenser clean and clear of debris.

• Inspect refrigerant lines and electrical connections annually.

• Arrange professional maintenance once per year for peak efficiency.