Single Zone • 4-Way Ceiling Cassette • R454B • 208–230V
Cooper&Hunter 24,000 BTU Single Zone Four-Way Ceiling Cassette w/ Humidity Sensor Minisplit Heat Pump System R454B 230V
Overview
A 24K four-way ceiling cassette pairing designed for wide, even air distribution and efficient inverter operation. The CH-RH24MCT cassette features omni-directional airflow with a 360° air flow panel and a built-in condensate pump. Pair it with the CH-RES24-230VO regular outdoor unit for efficient, dependable comfort.
Highlights
- Omni-directional airflow and 360° panel helps distribute air evenly throughout the room.
- Activated carbon filtration support for fresher indoor air.
- Anti-cold-air heating behavior reduces drafts during heat mode.
- Built-in pump with float switch (20.9" lift) for quiet condensate removal.
- Turbo operation, sleep mode, and multiple fan speeds for comfort tuning.
- Regular outdoor unit supports heating operation down to -13°F ambient.
Indoor Model
Outdoor Model
Line Set Size
3/8" Liquid • 5/8" Gas
Outdoor SEER2
22
Max Line Length
164 ft
Low-Ambient Heating
Down to -13°F
What’s Included
- Indoor 4-way ceiling cassette: CH-RH24MCT
- Outdoor condenser: CH-RES24-230VO (Regular)
- Remote control (indoor control package)
- Ceiling Cassette Panel
- Built-in condensate pump with float switch (indoor)
- Smart Kit capability for app control (setup required)
Indoor Specs (CH-RH24MCT)
| Spec | Value |
|---|---|
| Refrigerant Type | R454B |
| System Type | Single Zone |
| BTU Rated | 24,000 |
| Power | 208–230V • 1Ph • 60Hz (Voltage Range: 187–253V) |
| SEER2 / EER2 | 20.7 / 12 |
| Dehumidification | 4.99 pints/day |
| Indoor Airflow (CFM) | 765.2 / 706.3 / 635.7 / 547.4 |
| Noise (dB(A)) | 45 / 42.5 / 33.5 (H/M/L) |
| Unit Dimensions (W×D×H) | 32.68 × 32.68 × 8.07 in |
| Net / Gross Weight | 47.18 / 59.08 lb |
| Refrigerant Piping | 3/8" Liquid • 5/8" Gas |
| Drain Pipe Diameter | 1" |
| Operating Range | Cooling: 60–90°F • Heating: 32–86°F |
| Minimum Circuit Ampacity | 3 A |
| Max Fuse | 15 A |
Outdoor Specs (CH-RES24-230VO)
| Spec | Value |
|---|---|
| Refrigerant Type | R454B |
| System Type | Single-zone unit |
| BTU Rated | 24,000 |
| Cooling Capacity (Min–Max) | 24,000 (8,500–28,300) BTU/h |
| Heating Capacity (Min–Max) | 25,000 (11,800–35,100) BTU/h |
| SEER2 / EER2 | 19 / 12.5 |
| HSPF2 (Region IV / V) | 11 / 8.5 |
| COP | 3.64 |
| Power | 208–230V • 1Ph • 60Hz (Voltage Range: 187–253V) |
| Max Pipe Length | 164 ft |
| Max Height Difference | 82 ft |
| Minimum Circuit Ampacity | 24 A |
| Max Fuse | 25 A |
| Outdoor Airflow | 2,236.7 CFM |
| Outdoor Noise | 60 dB(A) |
| Unit Dimensions (W×D×H) | 37.24 × 16.14 × 31.89 in |
| Net / Gross Weight | 122.13 / 132.28 lb |
| Ambient Temperature | Cooling: -13–122°F • Heating: -13–75°F |
| Additional Charge | 0.32 oz/ft (3/8" liquid line) |
Documents & Downloads
- Submittal Sheet: CH-RES24-230VO + CH-RH24MCT
- Submittal Sheet: CH-RES24-230VO + CH-PRO24MASTWM-230VI
- Submittal Sheet: CH-RES24-230VO + CH-RH24MASTWM-230VI
- Submittal Sheet: CH-RES24-230VO + CH-RS24MDT-HS
- Submittal Sheet: CH-RES24-230VO + CH-RSH24MFC
- Outdoor Units Installation Manual (R454B)
- SlimDuct Leaflet (R454B)
- Ceiling Cassette Installation Manual (R454B)
- Ceiling Cassette Owner’s Manual (R454B)
- 120N Wire Controller — Uses & Installation Manual
- MultiZone Combination Guide — Hyper
- MultiZone Combination Guide — Regular
Important
- Professional installation is recommended.
- Match line set sizes to the equipment: 3/8" liquid and 5/8" suction.
- Verify the dedicated circuit is sized per equipment MCA and local code.
- For help choosing equipment, contact us: hvacsupplies.com/pages/contact • (800) 543-8933
FAQs
Does the indoor cassette include a condensate pump?
Yes. CH-RH24MCT includes a built-in pump with float switch (20.9" lift).
What line set sizes are required for this 24K cassette?
3/8" liquid line and 5/8" suction (gas) line.
How cold can the regular outdoor unit operate in heating?
CH-RES24-230VO supports heating operation down to -13°F ambient.
Can I control the system with an app?
Smart Kit capability supports app control through the C&H platform after setup.














































































