Pioneer Diamante Ultra 18,000 BTU 22 SEER2 Ductless Mini-Split Inverter++ Energy-Star Wi-Fi Air Conditioner Heat Pump Full Set 230V with 16 Ft. Kit - WYT018GLFI22RL
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Ultra High Efficiency Diamante Ultra Ductless Mini Split Heat Pump System
- Cooling capacity: 18,000 BTU/H with 22 SEER2 / 13 EER2 efficiency
- Heating capacity: 18,000 BTU/H with 9.0 HSPF2 / 3.5 COP efficiency
- Voltage: 208/230V, 60Hz, 1Ph
- High Wall Mounted Air Conditioning & Heating System
- Variable Speed DC Inverter Operation Mode
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Low Ambient Unit (-13°F)
- Wireless Internet Access Included (Via Free Smartphone App)
- AHRI Estimated Annual Operating Costs:
- Cooling: $111.00
- Heating: $381.00
Included
- Indoor Unit
- Outdoor Unit
- Wireless Remote Control (with wall holder and batteries)
- Internet Control Module
- 16 Ft. Copper Lines
- 16 Ft. Electrical Wire
- 10 Ft. Drain for indoor/outdoor
- Wall Passage Sleeve
- Putty for Wall Hole
- Leak Guard Sealer
- Wrapping Tape
- Installation Manual
- User’s Manual
What our Experts Think
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Perfect choice for large rooms (~600–900 sq ft)
This 18,000 BTU full‑set mini‑split delivers dependable cooling and heating for living rooms, open‑plan spaces, dens, or master bedrooms without oversizing your system.
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Strong energy performance (22 SEER2 + Energy‑Star)
High seasonal efficiency means lower electricity costs and better value over time compared to standard HVAC systems—ideal for frequent year‑round use.
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Inverter++ technology for precise comfort
The variable‑speed DC inverter provides smooth temperature control, reduced cycling noise, and faster comfort recovery than fixed‑speed systems, while adapting to cooling/heating demand.
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Smart Wi‑Fi control included
Built‑in Wi‑Fi lets you adjust settings, schedules, and modes via smartphone, adding convenience and helping optimize energy usage.
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All‑season heat pump capability
Functions as both a cooling and heating heat pump, plus dry/ventilation modes—eliminating separate systems for seasonal comfort.
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Ready‑to‑install 16 ft kit included
Comes with indoor/outdoor units, wireless remote, Wi‑Fi module, 16 ft copper lines, wiring, drain line, and accessories—simplifying setup and reducing extra purchases.
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Quiet & balanced daily performance
Indoor sound levels stay comfortable for living areas, while airflow and control features ensure consistent distribution without loud operation
Q&A
Q: What room size is this 18,000 BTU mini split ideal for?
A: Perfect for medium to large rooms (approx. 600–900 sq. ft.), such as living areas, offices, or open-plan spaces.
Q: Is this unit Energy Star certified?
A: Yes, it is Energy Star certified, providing high efficiency and lower electricity costs.
Q: Does it provide both cooling and heating?
A: Yes, this inverter++ heat pump delivers year-round cooling and heating for consistent comfort.
Q: How energy-efficient is the 22 SEER2 rating?
A: With 22 SEER2, it offers excellent energy savings while maintaining steady temperatures.
Q: What voltage does it require?
A: Designed for 208–230V single-phase power.
Q: What is included in the full set?
A: Includes indoor high-wall unit, outdoor condenser, and a 16 ft. pre-charged installation kit for convenient setup.
Q: Does it support Wi-Fi or smart control?
A: Yes, built-in Wi-Fi enables remote operation, scheduling, and monitoring via the Pioneer Airlink app.
Q: How quiet is the indoor unit?
A: Operates quietly, typically 30–40 dB, ideal for bedrooms, offices, or living spaces.
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 optimal comfort.
Q: Is professional installation required?
A: Yes, professional installation is recommended; the 16 ft. kit covers most standard connections, with extra piping needed for longer runs.
Maintenance Tips
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Clean washable air filters every 2–4 weeks – Maintains optimal airflow and 22 SEER2 Energy Star efficiency for 600–900 sq ft areas
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Run self-clean function regularly – Prevents mold, bacteria, and odor buildup inside the indoor unit
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Keep indoor & outdoor units free of dust and debris – Ensures consistent airflow and peak heat exchange
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Check and clear condensate drain line – Prevents leaks and water damage
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Maintain 2–3 ft clearance around outdoor unit – Supports efficient cooling/heating performance
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Inspect refrigerant lines annually – Ensures leak-free operation and reliable capacity
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Use ECO, Sleep & Wi-Fi smart modes – Reduces compressor wear and lowers energy consumption
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Schedule yearly professional servicing – Maximizes inverter efficiency and extends system lifespan
Damage 
Loss 
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