Description
This MRCOOL Signature Series 5-ton heat pump split system pairs the MCAESHS4T6021AA R-454B heat pump condenser with the MCAEAMPEF60E21AA multi-position air handler (ECM blower). The combination is AHRI certified (AHRI #217513234) at 14.3 SEER2 and 11.2 EER2 with 7.5 HSPF2 heating, delivering 55,000 BTU/h of rated cooling. It is a straightforward, efficient replacement for an older R-410A split system and provides year-round heating and cooling.
What's Included
- 1 × MCAESHS4T6021AA — Signature Series 5 Ton R-454B heat pump condenser
- 1 × MCAEAMPEF60E21AA — Signature Series 5 Ton multi-position air handler, ECM motor
System Performance
| AHRI Reference Number | 217513234 |
|---|---|
| Cooling Capacity | 55,000 BTU/h |
| Heating Capacity (47°F) | 55,000 BTU/h |
| SEER2 | 14.3 |
| EER2 | 11.2 |
| HSPF2 (Region IV) | 7.5 |
| Refrigerant | R-454B |
| Power Supply | 208/230V, 1-Phase, 60 Hz |
Component Specifications
Heat Pump Condenser — MCAESHS4T6021AA
| Minimum Circuit Ampacity | 37 A |
|---|---|
| Maximum Fuse / Breaker | 60 A |
| Refrigerant Connections | 3/8" liquid, 7/8" suction |
| Sound Level | 65 dB(A) |
| Unit Dimensions (W x H x D) | 29.14" x 32.8" x 29.14" |
| Unit Weight | 225 lb |
Multi-Position Air Handler — MCAEAMPEF60E21AA
| Blower Motor | ECM, 3/4 HP |
|---|---|
| Rated Airflow | 1549 CFM |
| Minimum Circuit Ampacity | 7.2 A |
| Maximum Fuse / Breaker | 10 A |
| Unit Dimensions (W x H x D) | 22" x 53.12" x 24.5" |
| Unit Weight | 170 lb |
| Capacity | 60k (≈5 ton) |
| Refrigerant | R-454B (eco-friendly, modern standard) |
| Configuration | Multi-position (upflow, downflow, horizontal) |
| Design | Slim, compact design for tight spaces like closets, attics, or crawlspaces |
| Cabinet | Durable galvanized steel, corrosion and dent resistant |
| Blower Motor | High-efficiency ECM |
| Coil | Copper “A” coils with aluminum fins for efficient heat exchange & humidity control |
| Insulation | Internal thermal insulation reduces condensation, thermal loss, and noise |
| Filter | Built-in air 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 / 7/8" suction; line set not included.
- Thermostat: Standard 24V heat pump thermostat (not included).
- Professional installation: Licensed HVAC contractor required; R-454B is an A2L refrigerant.
