The Cooper & Hunter Hyper Heat 6-Zone Mini Split System provides a nominal total cooling capacity of 55,000 BTU across six one-way cassette zones, featuring a SEER2 efficiency rating of 22.2 and Wi-Fi control for remote operation. It operates effectively in heating mode down to -22°F ambient temperatures and uses R454B refrigerant for environmentally responsible performance.
Key Features
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6-zone Hyper Heat system — the CH-RHP55M-230VO outdoor unit supports up to 6 independently controlled indoor units
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55,000 BTU nominal capacity across 6 zones, each on its own remote
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22.2 SEER2 inverter efficiency
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Hyper Heat — heats down to -22°F outdoor ambient, for cold climates
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R454B refrigerant, factory pre-charged; Wi-Fi control
Your System Includes
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Outdoor unit (condenser): CH-RHP55M-230VO — R454B Hyper Heat multi-zone outdoor unit
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Zone 1 — One-Way Cassette: 6,000 Btu/h indoor unit with remote control
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Zone 2 — One-Way Cassette: 12,000 Btu/h indoor unit with remote control
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Zone 3 — One-Way Cassette: 12,000 Btu/h indoor unit with remote control
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Zone 4 — One-Way Cassette: 12,000 Btu/h indoor unit with remote control
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Zone 5 — One-Way Cassette: 12,000 Btu/h indoor unit with remote control
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Zone 6 — One-Way Cassette: 18,000 Btu/h indoor unit with remote control
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Line-set kits — choose copper line-set length per zone at checkout (or supply your own)
Specifications — CH-RHP55M-230VO Outdoor Unit
| Power Supply |
208/230V, 1 Ph, 60 Hz (voltage range 187-253V) |
| Cooling — Rated Capacity (Range) |
51,000 Btu/h (19,000–59,000) |
| Heating at 47°F — Rated Capacity (Range) |
55,000 Btu/h (20,000–59,000) |
| Rated Heating at 5°F |
47,000 Btu/h |
| SEER2 / EER2 |
22.2 / 12 |
| HSPF4 / HSPF5 / COP (47°F) |
10.5 / 8.5 / 3.5 |
| Outdoor Unit MCA / Max. Fuse |
39.5 A / 40 / 45 A |
| Max. Connectable Indoor Units |
6 |
| Outdoor Noise Level |
65 dB(A) |
| Outdoor Unit Dimensions (W×D×H) |
37.48 × 16.34 × 52.48 in |
| Outdoor Unit Net / Gross Weight |
246.47 / 276.68 lbs |
| Refrigerant Type / Charge |
R454B / 151.68 oz |
| Pre-charged Line Length |
150 ft (add 0.16 oz/ft for 1/4 in liquid pipe / 0.32 oz/ft for 3/8 in liquid pipe) |
| Max. Total Pipe Length / Max. to One Indoor |
262.4 ft / 114.8 ft |
| Max. Height Difference (Indoor–Outdoor / Between Indoors) |
49.2 ft / 33 ft |
| Operating Range — Cooling / Heating |
-22–122°F / -22–75°F outdoor ambient |
Outdoor-unit ratings as printed in the Cooper & Hunter catalog; combined-system capacity varies with the indoor-unit mix.
This System’s Zones
| Zone |
Type |
Cooling (nominal) |
| 1 |
One-Way Cassette |
6,000 Btu/h |
| 2 |
One-Way Cassette |
12,000 Btu/h |
| 3 |
One-Way Cassette |
12,000 Btu/h |
| 4 |
One-Way Cassette |
12,000 Btu/h |
| 5 |
One-Way Cassette |
12,000 Btu/h |
| 6 |
One-Way Cassette |
18,000 Btu/h |
Frequently Asked Questions
How many rooms can this system heat and cool?
This is a 6-zone Hyper Heat system — the CH-RHP55M-230VO outdoor unit connects to 6 indoor units (6,000 BTU One-Way Cassette, 12,000 BTU One-Way Cassette, 12,000 BTU One-Way Cassette, 12,000 BTU One-Way Cassette, 12,000 BTU One-Way Cassette, 18,000 BTU One-Way Cassette), each controlled independently, so it conditions 6 separate rooms or areas at once.
How well does it heat in cold weather?
It is a Hyper Heat inverter heat pump rated to keep heating down to -22°F outdoor ambient — built for cold-climate winters.
What refrigerant does it use?
R454B — a next-generation lower-GWP (A2L) refrigerant. The system ships factory pre-charged; a licensed installer adjusts the charge for your line length.
Is everything included?
The system includes the outdoor condenser, all indoor units, and their remotes. Choose a copper line-set kit length per zone at checkout, or supply your own.
Who should install it?
A licensed HVAC professional — required for the refrigerant, electrical, and startup work, and to keep the warranty valid.
What warranty does it come with?
Cooper & Hunter backs it with a 7-year compressor and 5-year parts limited warranty; professional installation and registration within 60 days are required to keep coverage valid.
Warranty & Support
Backed by Cooper & Hunter’s 7-year compressor / 5-year parts warranty. Installation by a licensed HVAC professional and product registration within 60 days are required to keep the warranty valid.
Damage 
Loss 
Theft 
