Mini Split Multi 3 Zone Gree 21 SEER2 Heat Pump R-32 Condenser, MUL24HP230V1R32AO
Three zones, one outdoor unit, and a striking amount of headroom. The MUL24HP230V1R32AO is rated 24,000 BTU/h in both cooling at 95°F and heating at 47°F, but its maximum output reaches 31,400 BTU/h in cooling and heating alike — roughly 31 percent above the nameplate. It carries 21 SEER2, 13.3 EER2, and 10.0 HSPF2, and holds an exceptional 23,600 BTU/h of heating at 17°F with 21,600 BTU/h still available at 5°F. Each zone can be a Gree Livo wall-mount air handler or a Gree ceiling cassette with grille included, and every indoor unit arrives with its own wireless remote. Wi-Fi is factory installed and the submittal carries the full allowable combination table. Add your indoor units below.
Building a Three-Zone Layout
Three zones is the configuration that covers most small homes and larger apartments: two bedrooms plus a living area, or a primary suite, a guest room, and an office. Because this condenser can be over-connected up to 31,400 BTU/h of indoor capacity, you can pair a larger unit for the main living space with two smaller ones for bedrooms without forcing the living room to compromise — the compressor redistributes output as rooms call.
With cassettes now on the menu the format choice can follow each room. Bedrooms are usually straightforward wall-mount candidates. Living rooms, dining areas, and offices frequently have no good wall for a head, and those are exactly the rooms where a flush ceiling cassette with four-way discharge works better. Where multi-zone projects go wrong is treating the combination table as optional. Calculate each room individually against its own insulation, window exposure, ceiling height, infiltration, and occupancy, then verify the trio against the table. Piping headroom is substantial: 197 feet of total combined line length, 66 feet maximum to the furthest unit, and 49 feet of elevation difference.
Ideal for: Two-bedroom homes and apartments, a living area plus two bedrooms, primary suite with guest room and office, small duplexes, finished basements split into rooms, and light commercial suites where a flush cassette suits the client-facing space.
Need more capacity? Step up to the 4 Zone Gree MUL36HP230V1R32AO condenser, which adds a fourth zone, the 24K cassette option, and 82 feet of both line length and elevation to the furthest zone.
Recommended applications are general guidelines only. Actual system requirements depend on insulation, glazing, ceiling height, ambient conditions, occupancy, and internal heat gain in each zone. Always verify your indoor unit selection against the allowable combination table on the submittal sheet. Request free sizing assistance, contact Budget Heating, or call 813-885-7999.
What's Included
| Outdoor Condenser | MUL24HP230V1R32AO — Multi-Zone Inverter Heat Pump Condenser |
|---|---|
| Indoor Unit Options | Selected Separately Below — Gree Livo 5K through 18K Wall-Mount or Gree 9K, 12K, 18K Ceiling Cassette |
| Zones Supported | 2 to 3 Zones |
| Rated Capacity | 24,000 BTU/h Cooling @ 95°F / 24,000 BTU/h Heating @ 47°F |
| Maximum Capacity | 31,400 BTU/h Maximum Cooling and 31,400 BTU/h Maximum Heating |
| Low-Temperature Heating | 23,600 BTU/h @ 17°F / 21,600 BTU/h @ 5°F (Non-Ducted) |
| Efficiency | 21 SEER2 / 13.3 EER2 / 10.0 HSPF2 / 2.0 COP @ 5°F |
| Operating Range | Cooling -22°F to 118°F / Heating -22°F to 75°F |
| Maximum Line Length | 197 ft Total / 66 ft to Furthest Indoor Unit / 49 ft Elevation |
| Refrigerant | R-32, 59.98 oz Factory Charge |
| Electrical | 208-230V, Single Phase, 60 Hz — 19.5 A MCA, 25 A MOCP |
| Controls | Wireless Remote Included With Every Indoor Unit; Factory-Installed Wi-Fi |
| Warranty | 5 Years Parts / 7 Years Compressor |
AHRI certification 215218914 applies to this condenser. It holds 59.98 oz of R-32 with 0.2 oz added per foot beyond the pre-charge, measures 37-61/64 x 25-63/64 x 15-53/64 in. at 112.5 lb net, and runs at 55 dB(A). Rated current is 14 A cooling and 14.8 A heating. Cassette selections include the GREETF05 decorative grille and an integral condensate pump. The submittal's efficiency table also lists ducted and mixed-configuration ratings if any zone uses a ducted air handler.
Condenser & Indoor Unit Features
MUL24HP230V1R32AO Outdoor Condenser
- Maximum output of 31,400 BTU/h in both cooling and heating
- Supports two or three independently controlled zones
- Outstanding low-temperature heating — 23,600 BTU/h at 17°F
- Still delivers 21,600 BTU/h of heating at 5°F outdoor ambient
- 21 SEER2 with 13.3 EER2 and a 10.0 HSPF2 rating
- Rated operation from -22°F to 118°F in cooling
- Wi-Fi included and factory installed in the outdoor unit
- 197 ft total combined line length with 66 ft to the furthest unit
- 49 ft of allowable elevation difference
- Published ducted and mixed-configuration ratings on the submittal
Wall-Mount and Ceiling Cassette Options
- Wireless remote included with every indoor unit, both formats
- Any mix of wall-mount and cassette across the three zones
- Livo wall-mount heads from 5K through 18K BTU
- CAS09HP230V1R32AH, CAS12HP230V1R32AH and CAS18HP230V1R32AH cassettes
- GREETF05 decorative grille included with each cassette selection
- Cassettes recess flush for a near-invisible ceiling installation
- Four-way discharge covers square and open rooms evenly
- Integral condensate pump allows drainage from above the ceiling
- Independent setpoint and fan control in each of the three zones
- Full cassette documentation set for install, operation and parts
Specifications & Manuals
The submittal sheet includes the allowable combination table listing every approved two and three zone pairing for this condenser — review it before selecting your indoor units. The Gree Cassette document set covers ceiling opening dimensions, drainage, and service access for the CAS cassettes. Interconnecting cable and installation materials are in our mini split copper and accessories range.
Frequently Asked Questions
Can I run only two indoor units on a three-zone condenser?
Yes — the submittal lists this model as supporting 2 to 3 zones, and the combination table includes approved two-zone pairings. The unused connection is capped at the factory and can be commissioned later, which makes this a practical choice when a third room is planned but not yet finished.
How much extra indoor capacity can I connect?
Maximum system output is 31,400 BTU/h against a 24,000 BTU/h rating, and the combination table on the submittal defines exactly which capacity mixes are approved within that. It is not a free-for-all — a combination outside the table will leave zones unable to reach setpoint under load.
When should I choose a cassette over a wall-mount head?
When the walls are committed to windows, cabinetry, or artwork, or when the room is roughly square and benefits from four-way discharge rather than air thrown in one direction. A cassette also disappears visually. The requirement is an accessible ceiling with enough depth above it — check the cassette documentation before committing.
Why does the submittal list three different SEER2 numbers?
Efficiency depends on the type of indoor units connected. This condenser is rated 21 SEER2 with non-ducted indoor units, 18.0 with ducted air handlers, and 19.0 in a mixed configuration. The wall-mount heads and ceiling cassettes offered here are non-ducted, so the 21 SEER2 and 10.0 HSPF2 figures apply.
How does heating at 17°F compare to a single-zone system this size?
Favorably. This condenser holds 23,600 BTU/h at 17°F against its 24,000 BTU/h rating — retaining nearly all of it — and 21,600 BTU/h at 5°F, with rated operation to -22°F. That puts it ahead of most single-zone equipment in the same capacity class for cold-weather output.
What happens to the other zones if one indoor unit fails?
The remaining zones continue operating — a fault in one indoor unit does not shut the system down. The trade-off inherent to any multi-zone design is the condenser itself: if the outdoor unit needs service, every zone is offline until it is repaired.
Gree Multi Zone MUL24HP230V1R32AO Submittal SheetGree Multi Zone BrochureGree Multi Zone Installation InstructionsGree Multi Zone Owners ManualGree Multi Zone Service ManualGree Multi Zone Parts ListGree Cassette Owners ManualGree Cassette Service ManualGree Cassette Parts List
