Wall-mounted mini-split air conditioner with outdoor unit, piping kit, and remote control
Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
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Wall-mounted mini-split air conditioner with outdoor unit, piping kit, and remote controlPioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)
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Pioneer® Diamante Pro™ 12,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit (WYT012GLSI20RL)

PioneerSKU: WYT012GLSI20RL
4 reviews
Price:
$898.00 $1,279.00SAVE 29%
Voltage:
BTU:
In Stock
Estimated delivery: Oct 28th-Nov 4th
Free Curbside Delivery — carrier calls to schedule

Free Curbside Delivery

Included on every order
Ships free by freight carrier. Your order leaves the warehouse tracked, on a palletized freight truck.
The carrier calls ahead. You'll schedule a delivery window that works for you before the truck heads out.
Delivered to the curb. The item is placed at the end of your driveway. Moving it inside is your responsibility, so plan to have help on hand for heavy pieces.
Before you sign: inspect the packaging for damage. Signing the delivery receipt confirms it arrived in good condition.
In-Home Protection Plan
Home Outlet Direct + CPS

Add an Extended Protection Plan by CPS and Enjoy Peace of Mind!

Protection Plan Benefits:
  • Covers 100% parts and labor for product defects in materials and workmanship
  • Replacement of product if it cannot be repaired
  • No deductibles
  • Protection from dust, heat and internal humidity damage
  • Damage caused by power surges
  • In-home service
Full Coverage Details
No deductibles
International coverage
Easy claims process

Description

Summary

  • High Efficiency Diamante Pro™ Ductless Mini Split Heat Pump System
  • Cooling capacity: 12,000 BTU/H with 23 SEER2 / 11.2 EER2 efficiency
  • Heating capacity: 12,000 BTU/H with 9.5 HSPF2 / 3.41 COP2 efficiency
  • Voltage: 208/230V, 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

Diamante Pro™ High-Wall Series

Our Pioneer® ductless mini split wall-mounted air conditioners and heat pumps come with 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.

Important 

The outdoor unit is pre-charged with R454b Refrigerant, allowing refrigerant line lengths of up to 25 ft. per circuit. The copper tubing is included in the outdoor unit box, and the communication wiring kit is included in the indoor unit box. This product set consists of only 2 cartons.

What's Included in Your Purchase

  • Indoor Unit
  • Outdoor Unit
  • Wireless Remote Control
  • Remote Control Wall Holder
  • Remote Control Batteries
  • 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

Product Warranty

Warranty Registration is required within 90 days of purchase. Please, check our Warranty Policy

  • Up to 5 years Warranty for Parts
  • Up to 5 years Warranty for Compressor
DIMENSIONS & WEIGHT
Minimum Installation Height
6 ft
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.
Net Dimensions (WDH)
31" x 11"-1/2 x 19"-3/8 Inches
GENERAL INFORMATION
Power Supply
208~230V, 60Hz, 1Ph
Recommended Room Size
200~500 sq ft
Minimum Room Size
34 sq ft
Part Number
WT012GLSI20HLF
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)
Sound Level
55 dB(A)
CAPACITY & PERFORMANCE
Cooling Rated Capacity
12,000 BTU/h
Cooling Capacity Range
3,400 ~ 13,000 BTU/h
Cooling SEER2
23.0 BTU/W.h
Cooling EER2
11.2 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
ELECTRICAL REQUIREMENTS
Breaker Needed
15A (double-pole)
REFRIGERANT & PIPING
Refrigerant Type
R454b
Piping Diameter
1/4 x 3/8"
SAFETY
AHRI Reference
217048743

Pioneer Mini Split BTU Guide

Drawn to scale — 1 square = 2 × 2 ft
48K BTU
36K BTU
30K BTU
24K BTU
18K BTU
12K BTU
9K BTU
9K BTU up to 350 sq ft · Bedroom, home office
12K BTU up to 500 sq ft · Large bedroom, den
18K BTU up to 750 sq ft · Living room, master suite
24K BTU up to 1000 sq ft · Open living area
30K BTU up to 1200 sq ft · Large open area
36K BTU up to 1400 sq ft · Great room, small home
48K BTU up to 1800 sq ft · Whole floor, large open space
Between sizes? Round up. A slightly larger unit runs efficiently at partial load — an undersized one runs constantly.
Shipping
  • Free Shipping on all orders.
  • Large Appliances: Ship via Curbside Delivery — the carrier delivers to your property but not inside your home.
  • Small Items: Ship via standard ground delivery (FedEx or similar), such as small appliances, range hoods, sinks, faucets, and accessories.
Full shipping policy
Returns
  • 30-Day Return Policy: Return requests must be submitted within 30 days of your delivery date. We cannot process returns after this period.
  • Return Requirements: Products must be unused, uninstalled, and in their original packaging (including box and pallet) to qualify.
  • Restocking Fee: A restocking fee may apply and varies by brand.
Full returns policy
Authorized Pioneer Dealer
Full manufacturer warranty on every Pioneer product we sell.
Explore Pioneer

Customer Reviews

Based on 4 reviews
75%
(3)
25%
(1)
0%
(0)
0%
(0)
0%
(0)
N
Nick M. (Gaithersburg, MD)
Spectacular service and A+ product.

This unit with cassette has been installed for several weeks with no issues at all.
It's wisper quiet and well packaged for shipping. Thank you for a great product.

Nick M. review photo
L
Lascelles B. (Spring, TX)
It is a good unit i like it.

Working good for me i like it.

S
Steve (Davie, FL)
Happy

Happy so far, the system was easy to install and start up and settings were straight forward to navigate.
Cools great on the lowest settings and very quite.

W
William W. (Deltaville, VA)
Split System

I really like the system easy to use and perfect for our needs but one thing i have noticed there needs to be a startup sheet in with the instructions todays contractors do not seem to understand the concept of them when I was in the trade we did them on every system we installed now I am trying to get one from them so I can register the unit before time runs out

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