
Cooper&Hunter Astoria Wall Mount Indoor Unit — 9,000 BTU • CH-09MASTWM-230VI
Top-tier single- or multi-zone ductless indoor unit with service-friendly design, improved airflow, and smart control capability.
Overview
The Cooper&Hunter Astoria wall-mounted indoor unit is designed for both single-zone and multi-zone applications. This 9,000 BTU model (CH-09MASTWM-230VI) features a service-focused layout—easy access to key components—plus enhanced airflow from larger inlet/outlet geometry and auto-swing vertical and horizontal louvers. Control options include the included remote, optional wired thermostat, and the included Smart Kit for app-based control.
Highlights
- Fast service access: convenient disassembly with easy access to blower wheel, front E-Box/PCB, and kickstand-style front cover support.
- Improved airflow: larger inlet/outlet design plus auto-swinging vertical and horizontal louvers for better distribution.
- Control flexibility: included remote, optional wall thermostat, and Smart Kit connectivity for control via the C&H app.
- Efficiency: listed performance metrics include 16.2 EER2 and system ratings up to 28.1 SEER2 (pairing dependent).
What's Included
- Indoor wall-mounted unit: CH-09MASTWM-230VI
- Handheld remote control
- Included Smart Kit (for app control), as described
Indoor Specs
| Spec | Details |
|---|---|
| System Type | Single/Multi-zone unit |
| BTU Rated | 9,000 |
| Power Source | 208–230V, 1Ph, 60Hz |
| Voltage Range | 187–253 V |
| Dehumidification | 0.80 pints/day |
| Efficiency | EER2: 16.2 • SEER2: 28.1 |
| Controller | RG10K-exclusive remote |
| Refrigerant Piping (Liquid / Gas) | 1/4" - 3/8" |
| Unit Dimensions (W×H×D) | 33.66 × 9.09 × 11.69 in |
| Packing Dimensions (W×D×H) | 36.22 × 12.20 × 14.57 in |
| Unit Net / Gross Weight | 22.71 / 28.88 lb |
| Operating Range (Heating) | 32–86°F |
| Operating Range (Cooling) | 60–90°F |
| Minimum Circuit Ampacity (MCA) | 3 A |
| Max Fuse | 15 A |
| Indoor Noise Level (H/M/L) | 38 / 33.5 / 23.5 dB(A) |
| Indoor Air Flow | 382.35 / 335.29 / 229.41 / 176.47 |
| Drainage Pipe Diameter | 5/8" |
Documents & Downloads
- Submittal — Multi — CH-09MASTWM (PDF)
- Submittal — CH-ES09-230VO + CH-09MASTWM-230VI (PDF)
- Submittal — CH-HPR09-230VO + CH-09MASTWM-230VI (PDF)
- Astoria Leaflet 2023 (PDF)
- Accessories Leaflet 2023 (PDF)
- Quick Start Guide (PDF)
- Wired Control Installation Manual (PDF)
- Astoria User Manual (PDF)
- Astoria Owner’s Manual (PDF)
- Remote Manual Content (PDF)
Videos
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- Cooper&Hunter Astoria Wall Mount 2022
Important
Professional installation is recommended. This listing is for the indoor unit only. System efficiency ratings (SEER2) depend on the outdoor unit pairing, line set length, and installation conditions. Verify compatibility and line sizes prior to ordering.
FAQs
Is this indoor unit single-zone or multi-zone?
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