Ductless mini-split heating and cooling system with slim indoor unit and outdoor unit
Ceiling concealed mini-split system installation diagram with layout and components
Slim ductless indoor unit with yellow coil and metal housing, front end view
Outdoor air conditioning condenser unit with two fan circular grilles and Pioneer logo
Outdoor condenser unit with two fan grilles and vented side panel
Wall-mounted mini-split controller with backlit screen and control buttons
Mini-split installation tubing kit with insulated lines, caps, and wiring bundle
Roll over image to zoom in Click on image to zoom
Ductless mini-split heating and cooling system with slim indoor unit and outdoor unitCeiling concealed mini-split system installation diagram with layout and componentsSlim ductless indoor unit with yellow coil and metal housing, front end viewOutdoor air conditioning condenser unit with two fan circular grilles and Pioneer logoOutdoor condenser unit with two fan grilles and vented side panelWall-mounted mini-split controller with backlit screen and control buttonsMini-split installation tubing kit with insulated lines, caps, and wiring bundle
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Pioneer® Quantum Ultra™ 48,000 BTU 17 SEER2 230V Slim-Duct Ceiling Concealed Mini-Split Air Conditioner Inverter Heat Pump Full Set

PioneerSKU: RYB048GMSI20RL-10S
4 reviews
Price:
$5,068.00 $7,259.00SAVE 30%
Air Handler Type:
BTU:
In Stock
Estimated delivery: Nov 8th-15th
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

The Pioneer Quantum Ultra 48,000 BTU Slim-Duct Ceiling Concealed Mini-Split delivers powerful whole-home comfort with a hidden, architectural finish. Variable-speed DC inverter technology powers 48,000 BTU of cooling at 17.1 SEER2 and 50,000 BTU of heating at 9.8 HSPF2, performing reliably from -13°F to 131°F. Factory-precharged with low-GWP R454b refrigerant, this 208/230V heat pump features cooling, heating, dry, and ventilation modes, dual-drainage ports, washable filters, and dual-axis motorized airflow. The included remote unlocks ECO, SLEEP, TURBO, MEMORY, FOLLOW ME, Timer, and Self-Clean for intelligent year-round comfort.

Summary

  • High Efficiency Quantum Ultra Slim-Duct Ceiling Concealed Split Heat Pump System
  • Cooling capacity: 48,000 BTU/H with 17.1 SEER2 / 10.0 EER2 efficiency
  • Heating capacity: 50,000 BTU/H with 9.8 HSPF2 / 3.49 COP2 efficiency
  • Voltage: 208/230V, 60Hz, 1Ph
  • Slim-Duct Ceiling Concealed Air Conditioning & Heating System
  • Variable-Speed DC Inverter Driven Performance
  • Factory-Precharged with Environmentally Friendly R454b Refrigerant
  • Standard Ambient Range Operation (As low as -13°F in Heating / As high as 131°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
    • FOLLOW ME, to Detect and Adjust to Local Temperature

Dimension Chart

47¼ 29½ 11⅞ 37½ 16⅜ 52½ 2¼ ¾ 8½
DIMENSIONS & WEIGHT
Product Dimensions (WDH)
47-1/4 x 29-1/2 x 11-7/8 Inches
Carton Dimensions (WDH)
56-1/8 x 33-7/8 x 14-1/8 Inches
Net / Gross Weight
111.3 / 124.8 lbs
Net Dimensions (WDH)
37-1/2 x 16-3/8 x 52-1/2 Inches
GENERAL INFORMATION
Power Supply
208~230V, 60Hz, 1Ph
Recommended Room Size
1,400~1,800 sq ft
Minimum Room Size
143 sq ft
Part Number
RB048GMSILDFHG
Air Flow (Turbo/Hi/Med/Lo/Mute)
1,467 / 1,471 / 1,294 / 1,059 CFM
Sound Level (Turbo/Hi/Med/Lo/Mute)
51 / 46 / 42 / 40 dB(A)
Sound Level
64 dB(A)
CAPACITY & PERFORMANCE
Cooling Rated Capacity
48,000 BTU/h
Cooling Capacity Range
11,000~56,500 BTU/h
Cooling SEER2
17.1 BTU/W.h
Cooling EER2
10.0 BTU/W.h
Heating Rated Capacity
50,000 BTU/h
Heating Capacity Range
11,200~60,500 BTU/h
Heating HSPF2 (Region IV/V)
9.8 / 7.7 BTU/W.h
Heating C.O.P.2 (47°F/5°F)
3.49 / 2.0 W/W
ELECTRICAL REQUIREMENTS
Breaker Needed
45A (double-pole)
REFRIGERANT & PIPING
Refrigerant Type
R454b
Piping Diameter
  • 3/4" (Gas)
  • 3/8" (Liquid)
SAFETY
AHRI Reference
218010994

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
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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