Multi-Position Air Handler + Hyper Outdoor • R454B • 208–230V
Cooper&Hunter 18,000 BTU Hyper High Efficiency Multi Position Air Handler Unit Ducted Heat Pump Split System R454B 230V
Overview
18K multi-position air handler paired with a Hyper outdoor condenser for efficient heating and cooling in single- or multi-zone applications. Flexible installation (horizontal or vertical) plus inverter-driven performance support consistent comfort and energy savings.
Highlights
Capacity: 18,000 BTU Refrigerant: R454B SEER2: 18 EER2: 12 ESP Range: 0–0.8 Line Set: 1/4" × 1/2" Heating Ambient: -22°F to 75°F Cooling Ambient: -22°F to 122°F AHRI: 207742320
System Search
Voltage
208–230V (1Ph, 60Hz)
Voltage Range
187–253V
Max Line / Lift
98.4 ft / 65.6 ft
Outdoor MCA / Max Fuse
19A / 20A
Drain Size
3/4"
- Multi-position install: horizontal or vertical
- Intelligent air flow with three-speed fan motor (auto/manual static adjustment)
- Anti-cold air function supports more comfortable heating startups
- Fast cool/heat mode support
- Refrigerant leak detection and wired controller support
- Hyper Heating performance support down to -22°F heating ambient
What’s Included
- Indoor unit: CH-RS18MAHU
- Outdoor unit: CH-RHP18-230VO
- Remote control and wall thermostat
- Wired controller support
- Smart kit connectivity support
- Optional auxiliary heater support (purchased separately)
Indoor Specs (CH-RS18MAHU)
| Spec | Value |
|---|---|
| Refrigerant Type | R454B |
| System Type | Single Zone |
| BTU Rated | 18,000 |
| Power Source | 208–230V, 1Ph, 60Hz |
| Voltage Range | 187–253V |
| Dehumidification | 3.57 pints/day |
| Filter Dimensions (W×D) | Field supply (unit without filter 16×20) |
| Controller | Wire controller + remote controller available |
| Refrigerant Piping (Liquid/Gas) | 1/4" / 1/2" |
| EER2 | 12 |
| SEER2 | 18 |
| Minimum Circuit Ampacity | 3.5A |
| Max Fuse | 15A |
| Indoor Noise Level (H/M/L) | 42.5 / 37.5 / 30 |
| Indoor Air Flow | 618.0 / 576.8 / 529.7 / 488.5 |
| ESP Range | 0–0.8 |
| Drainage Water Pipe Diameter | 3/4" |
| Operation Range – Heating | 32–86°F |
| Operation Range – Cooling | 60–90°F |
| Unit Dimensions (W×H×D) | 17.52 × 21.02 × 45 in |
| Packing Dimensions (W×D×H) | 20.87 × 26.57 × 48.62 in |
| Unit Net / Gross Weight | 104.72 / 125.66 lb |
Outdoor Specs (CH-RHP18-230VO)
| Spec | Value |
|---|---|
| Refrigerant Type | R454B |
| System Type | Single-zone unit |
| BTU Rated | 18,000 |
| Power Source | 208–230V, 1Ph, 60Hz |
| Voltage Range | 187–253V |
| Dehumidification | 3.53 pints/day |
| Max Pipe Length | 98.4 ft |
| Max Height Difference (Indoor↔Outdoor) | 65.6 ft |
| Refrigerant Piping (Liquid/Gas) | 1/4" / 1/2" |
| HSPF2-5 / HSPF2-4 | 9 / 10.5 |
| EER2 | 12 |
| SEER2 | 18 |
| Cooling Capacity (Min/Max) | 17,000 (6,500–18,800) BTU/h |
| Heating Capacity (Min/Max) | 19,000 (8,900–22,000) BTU/h |
| COP | 3.37 |
| Ambient Temperature – Heating | -22 to 75°F |
| Ambient Temperature – Cooling | -22 to 122°F |
| Refrigerant Precharge | 25 |
| Outdoor Noise Level | 59 |
| Outdoor Air Flow | 1,765.8 |
| Minimum Circuit Ampacity | 19A |
| Max Fuse | 20A |
| Additional Refrigerant Charge (1/4 liquid line) | 0.16 |
| Unit Dimensions (W×H×D) | 35.04 × 13.46 × 26.50 in |
| Packing Dimensions (W×D×H) | 39.17 × 15.67 × 29.13 in |
| Unit Net / Gross Weight | 99.87 / 107.80 lb |
| AHRI | 207742320742320 |
Note: AHRI value shown in your data is 207742320. The table row above displays the same, but the extra digits (if any) should be removed.
Documents & Downloads
- Submittal (This Pairing): CH-RHP18-230VO + CH-RS18MAHU
- Additional Submittals
- CH-RES18-230VO + CH-RS18MAHU
- Indoor Manuals
- 120N Wire Controller — Owner’s Manual
- NR Heater — Installation Manual
- RS AHU — Installation Manual
- RS AHU — Owner Manual
- AHU Leaflet — R454B (2025)
- Outdoor Manual
- Installation Manual — R454B Outdoor Units
- SlimDuct Leaflet — R454B
- Video: Cooper&Hunter Multi-Position Air Handler with R454B Refrigerant
Important
- Line set: 1/4" liquid and 1/2" suction (gas).
- Max piping: 98.4 ft total length and 65.6 ft vertical separation.
- Outdoor electrical: MCA 19A, max fuse 20A.
- Indoor electrical: MCA 3.5A, max fuse 15A.
- Field-supplied filter: unit without filter is sized for 16×20.
- Support: hvacsupplies.com/pages/contact • (800) 543-8933
FAQs
What line set size does this system use?
1/4" liquid line and 1/2" suction (gas) line.
Can the indoor air handler be installed horizontally or vertically?
Yes. It supports horizontal and vertical installation.
What is the external static pressure range?
ESP range: 0–0.8.
What are the indoor airflow values?
618.0 / 576.8 / 529.7 / 488.5.
What are the indoor noise levels?
42.5 / 37.5 / 30 (H/M/L).
What are the outdoor capacity ranges?
Cooling: 17,000 (6,500–18,800) BTU/h. Heating: 19,000 (8,900–22,000) BTU/h.
How cold can it operate in heating?
Heating ambient range: -22°F to 75°F.
What is the cooling ambient range?
Cooling ambient range: -22°F to 122°F.
What is the maximum piping length and vertical separation?
98.4 ft maximum piping length and 65.6 ft maximum height difference.
Does the air handler require a filter?
Filter is field-supplied. Unit without filter is sized for a 16×20 filter.
What is the drain connection size?
3/4" drainage water pipe diameter.
What electrical does it use?
208–230V, 1Ph, 60Hz. Voltage range: 187–253V. Outdoor MCA 19A (max fuse 20A). Indoor MCA 3.5A (max fuse 15A).
