Description
Signature Series TruInverter 48K BTU Complete Split System – Complete System – R-454B Heat Pump
Solution Statement
The MRCOOL Signature Series TruInverter 48K BTU Complete Split System delivers a fully matched, high-efficiency heating and cooling solution in a single purchase. This system pairs the MCAEAMPVT48F21BA multi-position indoor air handler with the MCAESHV8T4821BA outdoor condenser — a factory-matched combination optimized for 18.0 SEER2 efficiency and reliable performance from -5°F to 125°F. Ideal for new construction, full system replacements, or upgrading aging equipment, this complete system eliminates the guesswork of component matching and ensures warranty-compliant installation.
What’s Included
- 1x Indoor Air Handler: MCAEAMPVT48F21BA
- 1x Outdoor Condenser: MCAESHV8T4821BA
- Note: Line set is NOT included. Select your preferred line set length as an add-on option.
Key Features
- Factory-matched system for certified 18.0 SEER2 efficiency
- TruInverter technology maintains temperature within 2°F of set point
- Reliable heating to -5°F, powerful cooling to 125°F
- 4-way indoor installation flexibility (upflow, downflow, horizontal left/right)
- Pre-charged R-454B refrigerant (GWP 467 — eco-friendly)
- “Free Match” compatibility with most 3rd-party 24V thermostats
- Slide-out blower and tool-free filter access for easy maintenance
- Smart diagnostics with integrated error codes
- 10-year limited parts warranty + limited lifetime compressor warranty
Technical Specifications
| Specification | Value |
|---|---|
| Indoor Model | MCAEAMPVT48F21BA |
| Outdoor Model | MCAESHV8T4821BA |
| Nominal Capacity | 48K BTU/h |
| Cooling Capacity | 47,000 BTU/h |
| SEER2 | 18.0 |
| Heating Capacity @ 47°F | 47,000 BTU/h |
| Heating Capacity @ 17°F | 35,000 BTU/h |
| HSPF2-4 | 8.5 |
| Voltage | 208/230V – 60Hz – 1Ph |
| Refrigerant | R-454B (pre-charged, 141.09 oz) |
| Min. Circuit Ampacity (Outdoor) | 35A |
| Max. Overcurrent Protection (Outdoor) | 60A |
| Indoor Dimensions (W×H×D) | 24.5" × 56" × 21" (622 × 1422 × 533 mm) |
| Indoor Net Weight | 161 lbs |
| Outdoor Dimensions (W×H×D) | 29.12" × 33.18" × 29.12" (740 × 843 × 740 mm) |
| Outdoor Net Weight | 190 lbs |
| Combined System Weight | 351 lbs |
| Warranty | 10-Year Parts + Lifetime Compressor |
Product Tips
Both units must be installed by a licensed HVAC technician. R-454B refrigerant handling requires EPA Section 608 certification.
Confirm the distance between your indoor and outdoor unit locations before selecting a line set length.
The outdoor condenser requires a dedicated 35A minimum circuit. Plan your electrical supply before installation day.
Register both the indoor and outdoor units within 30 days of installation to activate the full warranty coverage.
This system ships in two separate boxes. Total combined gross weight is approximately 401 lbs. Plan for freight delivery.
Frequently Asked Questions
No. This system requires installation by a licensed HVAC professional. R-454B refrigerant handling requires EPA Section 608 certification.
The 48K BTU system is designed for spaces requiring approximately 48K BTU of capacity. A Manual J load calculation is strongly recommended.
No. Line sets are sold separately in 16 ft, 25 ft, 35 ft, and 50 ft lengths.
R-454B refrigerant (GWP 467). The outdoor condenser ships pre-charged with 141.09 oz of R-454B.
Yes. Reliable heating down to -5°F. At 17°F, it delivers 35,000 BTU/h of heating capacity.
Outdoor condenser requires minimum 35A circuit, maximum 60A overcurrent protection, on a dedicated 208/230V single-phase 60Hz circuit.
Yes. “Free Match” technology allows compatibility with most standard 3rd-party 24V thermostats.
10-year limited parts warranty on both units. The outdoor compressor carries an additional limited lifetime warranty.
Yes. This factory-matched system is AHRI certified. Refer to the AHRI directory for certified performance data for the MCAEAMPVT48F21BA + MCAESHV8T4821BA combination.
Clean or replace the indoor air filter every 1–3 months. Schedule annual professional maintenance including coil cleaning, refrigerant level check, and electrical inspection.
Warranty Information
Both units are backed by a 10-year limited parts warranty. The compressor carries an additional limited lifetime warranty. Coverage requires installation by a licensed HVAC professional and registration within 30 days.
