One-Way Cassette + Regular Outdoor • 12K • R454B • 208–230V • Single Zone
Cooper&Hunter 12,000 BTU Single Zone One-Way Cassette Minisplit Heat Pump System R454B 230V
Overview
This system pairs the CH-RSH06-12MCT1W one-way ceiling cassette with the CH-RES12-230VO Regular single-zone outdoor unit. The indoor unit supports 6K / 9K / 12K selection via ENC1, while the Regular outdoor unit provides efficient inverter operation with a heating ambient range listed to -13°F.
Highlights
R454B Refrigerant ENC1: 6K / 9K / 12K Selectable Built-In Condensate Pump Humidity + Refrigerant Sensors 19.0 SEER2 (Outdoor) Smart Kit + Remote + Wall Thermostat
System Search
Line Set Size
1/4" Liquid • 3/8" Gas
Max Line Length
82 ft
Voltage
208–230V (187–253V)
Outdoor Rated BTU
12,000
Outdoor AHRI
207742320
What’s Included
- Indoor one-way cassette: CH-RSH06-12MCT1W
- Outdoor condenser (Regular): CH-RES12-230VO
- Remote control support + wall thermostat support
- Built-in condensate pump (indoor)
- Smart kit capability for app control (setup required)
Video title (not linked): Cooper&Hunter’s One Way Cassette
Indoor Specs (CH-RSH06-12MCT1W)
| Spec | Value |
|---|---|
| Refrigerant Type | R454B |
| BTU Rated | 12,000 (ENC1 selectable 6K / 9K / 12K) |
| SEER2 / EER2 | 23 / 13 |
| Power | 208–230V • 1Ph • 60Hz (187–253V) |
| Dehumidification | 3.57 pints/day |
| Indoor Airflow | 353.2 / 312 / 282.5 / 247.2 |
| Noise (H/M/L) | 41 / 37 / 33 |
| Dimensions (W×D×H) | 50.31 × 13.19 × 8.98 in |
| Net / Gross Weight | 45.19 / 82.45 |
| Line Set | 1/4" Liquid • 3/8" Gas |
| Drain Pipe Diameter | 3/4" |
| Operating Range | Cooling: 60–90°F • Heating: 32–86°F |
| MCA / Max Fuse | 3A / 15A |
| Packing (W×D×H) | 57.60 × 22.48 × 22.64 in |
Outdoor Specs (CH-RES12-230VO)
| Spec | Value |
|---|---|
| Refrigerant Type | R454B |
| Rated BTU | 12,000 |
| SEER2 / EER2 | 19 / 11.7 |
| Cooling Capacity (Min/Max) | 11,500 (3,100–13,000) BTU/h |
| Heating Capacity (Min/Max) | 12,000 (3,700–15,600) BTU/h |
| HSPF2 (Region V / IV) | 8 / 10.2 |
| COP | 3.42 |
| Ambient Temperature | Cooling: -13–122°F • Heating: -13–75°F |
| Max Pipe Length / Height Difference | 82 ft / 49.2 ft |
| Outdoor Air Flow | 1,236.1 |
| Noise | 55.5 |
| Dimensions (W×D×H) | 30.12 × 11.93 × 21.85 |
| Net / Gross Weight | 62.17 / 67.68 |
| MCA / Max Fuse | 12A / 15A |
| Additional Charge (1/4" liquid) | 0.16 |
| AHRI | 207742320 |
Documents & Downloads
- System Submittal (This Combination): CH-RES12-230VO : CH-RSH06-12MCT1W
- Indoor Manuals
- Owner’s Manual — One-Way Cassette
- Remote Controller Manual
- One-Way Cassette Leaflet (R454B)
- Outdoor Manuals
- Installation Manual — R454B Outdoor Units
- SlimDuct Leaflet (R454B)
- Other Reference PDFs
- MultiZone Combination — Hyper
- MultiZone Combination — Regular
- Additional Indoor Submittals (Other compatible pairings)
- CH-RES09-230VO : CH-RSH06-12MCT1W
- CH-RHP06F9-230VO : CH-RSH06-12MCT1W
- CH-RHP09-230VO : CH-RSH06-12MCT1W
- CH-RHP12-230VO : CH-RSH06-12MCT1W
- Outdoor Submittals (CH-RES12-230VO)
- CH-RES12-230VO + CH-PRO12MASTWM-230VI
- CH-RES12-230VO + CH-RH12MASTWM-230VI
- CH-RES12-230VO + CH-RS06-12MDT--MS
- CH-RES12-230VO + CH-RSH12MCT
- CH-RES12-230VO + CH-RH12MCT
Important
- Set ENC1 on the indoor unit to match the intended capacity (use 12K when pairing to CH-RES12-230VO).
- Use the specified line set size: 1/4" liquid and 3/8" suction.
- Support: hvacsupplies.com/pages/contact • (800) 543-8933
FAQs
What ENC1 setting should I use with this outdoor unit?
Use the 12K setting when pairing with CH-RES12-230VO.
How cold can this Regular system heat?
The outdoor unit’s heating ambient range is listed to -13°F.
What line set size is required?
1/4" liquid and 3/8" suction (gas).
