Description
This MRCOOL Signature Series 2.5-ton air conditioner split system pairs the MCAESAS4T3021AA R-454B air conditioner condenser with the MCAEAMPEF30C21AA multi-position air handler (ECM blower). The combination is AHRI certified (AHRI #217513217) at 14.3 SEER2 and 11.7 EER2, delivering 27,400 BTU/h of rated cooling. It is a straightforward, efficient replacement for an older R-410A split system.
What's Included
- 1 × MCAESAS4T3021AA — Signature Series 2.5 Ton R-454B air conditioner condenser
- 1 × MCAEAMPEF30C21AA — Signature Series 2.5 Ton multi-position air handler, ECM motor
System Performance
| AHRI Reference Number | 217513217 |
|---|---|
| Cooling Capacity | 27,400 BTU/h |
| SEER2 | 14.3 |
| EER2 | 11.7 |
| Refrigerant | R-454B |
| Power Supply | 208/230V, 1-Phase, 60 Hz |
Component Specifications
Air Conditioner Condenser — MCAESAS4T3021AA
| Minimum Circuit Ampacity | 18 A |
|---|---|
| Maximum Fuse / Breaker | 30 A |
| Refrigerant Connections | 3/8" liquid, 3/4" suction |
| Sound Level | 63 dB(A) |
| Unit Dimensions (W x H x D) | 23.6" x 25" x 23.6" |
| Unit Weight | 134 lb |
| Cooling Capacity | 30k BTU |
| Efficiency Ratings | 14.3 SEER2 / 11.7 EER2 |
| Refrigerant | Pre-charged R-454B |
| Compressor | Scroll |
| Tubing | Inner-groove copper for improved heat transfer |
| Noise Level | 63 dB with sound-dampening top |
| Durability Features | Steel louver coil guard, wire fan discharge grille |
| Service Features | Sweat connection service valves, accessible gauge port |
| Design | Compact for flexible placement |
Multi-Position Air Handler — MCAEAMPEF30C21AA
| Blower Motor | ECM, 1/2 HP |
|---|---|
| Rated Airflow | 983 CFM |
| Minimum Circuit Ampacity | 4.5 A |
| Maximum Fuse / Breaker | 6 A |
| Unit Dimensions (W x H x D) | 19.6" x 45.75" x 22" |
| Unit Weight | 129 lb |
| Capacity | 30k (≈2.5 ton) |
| Refrigerant | R-454B (environmentally friendly, lower carbon footprint) |
| Configuration | Multi-position (upflow, downflow, horizontal) |
| Design | Slim, compact — fits in closets, attics, or crawlspaces |
| Cabinet | Durable galvanized steel construction |
| Blower Motor | High-efficiency ECM |
| Coil | Copper “A” coils with enhanced aluminum fins for superior heat transfer & humidity control |
| Insulation | Internal thermal insulation reduces condensation, energy loss & noise |
| Filter | Built-in filter rack for easy maintenance |
| Heat Option | Compatible with optional electric heat kit for colder climates |
| Thermostat Compatibility | Works with most third-party smart thermostats |
Compatibility & Installation
- Electric heat: Add a Signature Series R-454B heat kit (5–15 kW) using the "Add an Electric Heat Strip" option above.
- Line set: Sweat connections, 3/8" liquid / 3/4" suction; line set not included.
- Thermostat: Standard 24V thermostat (not included).
- Professional installation: Licensed HVAC contractor required; R-454B is an A2L refrigerant.
