# Pioneer Quantum multi-zone 48,000 BTU 5-zone multi-zone outdoor unit (YN-M)

> Pioneer Quantum multi-zone 48,000 BTU 5-zone multi-zone outdoor unit (YN-M) (YN050GMFI22M5E) is a multi-zone outdoor unit from Pioneer Quantum multi-zone. It runs on 208/230V, runs up to 5 indoor units, uses R-410A refrigerant, and carries a 5-year compressor warranty. It is no longer sold new.

- Line: [Pioneer Quantum multi-zone (R-410A)](https://minisplitfacts.com/lines/pioneer-quantum-r410a/)
- Category: [Multi-zone outdoor units](https://minisplitfacts.com/compare/multi-zone-outdoor/)
- Status: no longer sold new
- Data confidence: confirmed (last verified 2026-10-14; [what this means](https://minisplitfacts.com/how-we-compare/#confidence))
- Page: https://minisplitfacts.com/products/pioneer-quantum-r410a-48k-5-zone-outdoor-yn-m/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | YN050GMFI22M5E | [pioneerminisplit.com](https://pioneerminisplit.com/products/quint-zone-outdoor-section-230v-21-seer-multi-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Size | 48,000 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/quint-zone-outdoor-section-230v-21-seer-multi-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Voltage | 208/230V | [pioneerminisplit.com](https://pioneerminisplit.com/products/quint-zone-outdoor-section-230v-21-seer-multi-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Indoor units it runs | 5 | [pioneerminisplit.com](https://pioneerminisplit.com/products/quint-zone-outdoor-section-230v-21-seer-multi-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| SEER2 (cooling efficiency) | not published |  |
| EER2 (efficiency at 95 °F) | not published |  |
| HSPF2 (heating efficiency) | not published |  |
| Rated cooling capacity | 48,000 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/quint-zone-outdoor-section-230v-21-seer-multi-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Heating capacity at 47 °F | 48,000 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/quint-zone-outdoor-section-230v-21-seer-multi-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Heating capacity at 17 °F | not published |  |
| Heating capacity at 5 °F | not published |  |
| COP at 5 °F | not published |  |
| Heats down to | not published |  |
| Refrigerant | R-410A | [pioneerminisplit.com](https://pioneerminisplit.com/products/quint-zone-outdoor-section-230v-21-seer-multi-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| ENERGY STAR certified | not published |  |
| ENERGY STAR cold climate | not published |  |
| Line connection | Flare | [pioneerminisplit.com](https://pioneerminisplit.com/products/quint-zone-outdoor-section-230v-21-seer-multi-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Wi-Fi control | not published |  |
| Outdoor sound level | not published |  |
| Compressor warranty | 5 years | [pioneerminisplit.com](https://www.pioneerminisplit.com/pages/warranty) (brand, page, 2026-10-14) |
| Parts warranty | 5 years | [pioneerminisplit.com](https://www.pioneerminisplit.com/pages/warranty) (brand, page, 2026-10-14) |
| Warranty if you install it yourself | Kept | [pioneerminisplit.com](https://www.pioneerminisplit.com/pages/warranty) (brand, page, 2026-10-14) |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Pioneer | $3,858 | out of stock | 2026-10-14 | [View at Pioneer](https://pioneerminisplit.com/products/quint-zone-outdoor-section-230v-21-seer-multi-split-air-conditioner-heat-pump) |

Prices are re-checked weekly; a date more than a month old means the store could not be re-read.

## What to buy instead

Same category, different line:

- [MRCOOL DIY 5th Gen 18,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-18k-multi-zone-outdoor/) — $1,508
- [MRCOOL DIY 5th Gen 27,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-27k-multi-zone-outdoor/) — $2,037
- [MRCOOL DIY 5th Gen 36,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-36k-multi-zone-outdoor/) — $2,467
- [MRCOOL DIY 5th Gen 48,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-48k-multi-zone-outdoor/) — $3,131
- [MRCOOL DIY 5th Gen 55,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-55k-multi-zone-outdoor/) — $3,695
- [MRCOOL Olympus 18,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-olympus-18k-multi-zone-outdoor/)
- [MRCOOL Olympus 27,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-olympus-27k-multi-zone-outdoor/)
- [MRCOOL Olympus 36,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-olympus-36k-multi-zone-outdoor/)


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MiniSplit Facts lists modular tool storage from every brand side by side, with a source for every spec. [How we compare](https://minisplitfacts.com/how-we-compare/). Data as of 2026-10-14.