Description
The MRCOOL Signature Series MCAESAS4T1821AA is a 1.5-ton (18,000 BTU) air conditioner condenser factory charged with low-GWP R-454B refrigerant and AHRI rated up to 14.3 SEER2 / 11.7 EER2 with the matching Signature Series air handler. A single-speed scroll compressor, inner-groove copper tubing and a sound-dampening top make it a dependable, quiet replacement for older R-410A equipment.
The MRCOOL® Signature Series 18k Cooling Only Condenser is a reliable and efficient solution for homeowners seeking powerful cooling with long-term savings in mind. With a 14.3 SEER2 and 11.7 EER2 rating, this unit delivers steady performance while helping reduce energy costs. Pre-charged with eco-friendly R-454B refrigerant, it meets updated environmental standards without sacrificing performance.
The factory pre-charge simplifies setup, saving time and reducing installation costs.Built for durability, the condenser features a dependable single-speed scroll compressor and high-efficiency inner-groove copper tubing. Operating at just 60 decibels, it’s quiet enough for residential spaces, with a precision sound-dampening top to minimize noise.
A wire fan discharge grille and steel louver coil guard add protection to internal components, ensuring long-term reliability.Installation and maintenance are straightforward, with sweat connection service valves and an easy-access gauge port. The compact design allows flexible placement, while the 10-year limited parts warranty and limited lifetime compressor warranty provide lasting peace of mind.
Key Features
- Scroll compressor: Dependable single-speed scroll compressor.
- R-454B refrigerant: Factory pre-charged A2L refrigerant for the current efficiency standards.
- Built-in protection: Temperature and pressure sensors guard the compressor.
- Quiet operation: About 63 dB with a sound-dampening top.
- Durable cabinet: Steel louvered coil guard and wire fan grille.
- Service-friendly: Sweat-connection service valves and an accessible gauge port.
- Warranty: 10-year limited parts and limited lifetime compressor warranty (registration required).
Product Specifications
| Minimum Circuit Ampacity | 12.2 A |
|---|---|
| Maximum Fuse / Breaker | 20 A |
| Refrigerant Connections | 3/8" liquid, 3/4" suction (sweat) |
| Sound Level | 60 dB(A) |
| Unit Dimensions (W x H x D) | 23.6" x 25" x 23.6" |
| Unit Weight | 132 lb |
| Brand | MRCOOL |
| Model | MCAESAS4T1821AA |
| Series | Signature Series (R-454B) |
| Cooling Capacity | 18k BTU |
| Efficiency Ratings | 14.3 SEER2 / 11.7 EER2 |
| Refrigerant | Pre-charged with R-454B |
| Compressor | Single-speed scroll |
| Tubing | High-efficiency inner-groove copper |
| Noise Level | 60 dB with sound-dampening top |
| Durability Features | Wire fan discharge grille, steel louver coil guard |
| Service Features | Sweat connection service valves, accessible gauge port |
| Design | Compact for flexible placement |
Compatibility & Installation
- Matched system: Pairs with the Signature Series R-454B multi-position air handler (MCAEAMP) of the same tonnage or the stud-mount air handler (MCAEAWP).
- Line set: Sweat (brazed) connections; line set not included.
- Professional installation: Must be installed by a licensed HVAC contractor; R-454B is an A2L refrigerant.
