Technical Data
Specs, manuals, videos, and product documents
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A smart, reliable choice for year-round comfort.
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The MRCOOL Universal Series DC Inverter Packaged Heat Pump represents the pinnacle of energy-efficient heating and cooling technology. This innovative 4-ton unit delivers 48,000 BTU of both heating and cooling capacity while achieving an exceptional 18 SEER2 rating. Unlike traditional systems, its DC inverter technology provides precise temperature control, reduced energy consumption, and ultra-quiet operation.
Designed for year-round comfort, this heat pump operates efficiently in extreme temperatures from -22°F to 125°F. The system features intelligent defrosting technology for optimal winter performance and includes a comprehensive 10-year warranty covering parts, compressor, and labor with no registration required. Its all-in-one packaged design simplifies installation while offering flexible configuration options for various applications.
Where to buy heatstrips: MRCOOL® DC Inverter Packaged Unit Heat Kits (5KW, 10KW, 15KW, 20KW)
Warranty Inquiries are handled through MRCOOL at https://mrcool.com/contact/
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BRAND NAME |
MRCOOL |
|
SERIES |
Universal Series Inverter Packaged Heat Pump |
|
MODEL |
MDPH180484 |
|
GTIN |
00840255582285 |
|
UPC |
840255582285 |
|
UNIT TYPE |
Package Heat Pump |
|
SHORT DESCRIPTION |
MRCOOL® 48k BTU 18 SEER2 DC Inverter Packaged Heat Pump-R410A |
|
LONG DESCRIPTION |
Elevate your heating and cooling experience while simultaneously reducing utility costs and environmental impact with the MRCOOL® DC Inverter Package Heat Pump. This energy-efficient ducted system offers unparalleled comfort, all encapsulated in a single outdoor unit, without relying on fossil fuels. The key to its exceptional efficiency lies in the variable speed DC compressor, which minimizes power loss. Additionally, the unit's motor operates without frequent start-stop cycles, resulting in remarkably low noise levels. This translates into continuous and precise regulation of room temperature, tailored to individual preferences. The compressor and DC motor's adjustable speeds create a broad spectrum of cooling and heating capabilities, spanning from -22°F to 125°F. Furthermore, the unit features flexible air return options, accommodating both traditional and rooftop installations. For added versatility, optional heat kits are available as well. Notably, the MRCOOL® DC Inverter Package Heat Pump rapidly detects indoor and outdoor temperatures, adapting to load demands with efficiency. It is also equipped with intelligent defrosting technology, enhancing heating performance in winter by assessing frost conditions. With 10-year warranties covering labor, parts, and the compressor—without any cumbersome registration processes—you can make your investment in the MRCOOL® DC Inverter Package Heat Pump with absolute confidence. |
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FEATURE LIST |
|
|
SEER2 |
17.8 |
|
EER2 |
11 |
|
COP 47 |
11.46 |
|
HSPF2 |
8.5 |
|
TONNAGE |
4 |
|
COOLING CAPACITY (BTU) |
47,000 |
|
HEATING CAPACITY (BTU) |
47,000 |
|
VOLTAGE (V) |
208-230 |
|
PHASE |
1 |
|
CYCLE |
60 |
|
MAX FUSE BREAKER (A) |
45 |
|
MIN CIRCUIT AMPACITY (A) |
39.1 |
|
FULL LOAD |
5.4 |
|
REFRIGERANT TYPE |
R410A |
|
REFRIGERANT VOLUME (OZ) |
236.4 |
|
DECIBEL RATING (DBA) |
68 |
|
DECIBEL RATING HIGH (DBA) |
78 |
|
INVERTER |
DC |
|
MIN AMBIENT COOL (F) |
23 ~ 125 |
|
MIN AMBIENT HEAT (F) |
-22~75.2 |
|
COMPRESSOR MOTOR TYPE |
Inverter Rotary |
|
CONDENSER FAN MOTOR TYPE |
DC |
|
CONDENSER FAN MOTOR HP |
1 |
|
CONDENSER FAN MOTOR RPM |
1060 |
|
FILTER TYPE |
Washable Aluminum |
|
FILTER SIZE |
29 5/16 x 13 1/4 x 3/5 in |
|
AUXILIARY HEATER INCLUDED |
No |
|
AUXILIARY HEATER AVAILABLE |
Yes |
|
AUXILIARY HEATER SIZES |
5kW, 10kW, 15kW, 20kW |
|
LOW VOLTAGE COMPENSATION |
Yes |
|
OVERLOAD PROTECTION |
Yes |
|
ADJUSTABLE THERMOSTAT |
Yes |
|
WIFI COMPATIBILITY |
No |
|
ETL LISTED |
Yes |
|
ETL CERTIFIED |
Yes |
|
ENERGY STAR CERTIFIED |
Yes |
|
AHRI CERTIFIED |
Yes |
|
BASE PARTS WARRANTY |
10 years |
|
BASE COMPRESSOR WARRANTY |
10 years |
|
BASE LABOR WARRANTY |
10 Years |
|
NET DEPTH (IN) |
44 |
|
NET HEIGHT (IN) |
49.25 |
|
NET WIDTH (IN) |
44 |
|
NET WEIGHT (LBS) |
628 |
|
GROSS DEPTH (IN) |
44.63 |
|
GROSS HEIGHT (IN) |
50.81 |
|
GROSS WIDTH (IN) |
44.63 |
|
GROSS WEIGHT (LBS) |
650 |
|
INSTALL MANUAL |
|
|
SPECIFICATIONS |
|
|
REMOTE MANUAL |
|
|
BROCHURE |
|
|
SERVICE MANUAL |

Technical Data
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Product FAQs
MRCOOL products are sold through authorized retailers and distributors rather than directly by MRCOOL to consumers. Purchasing through an authorized seller helps confirm that the equipment is genuine and that the correct purchase records are available for product and warranty support.
Do not assume that MRCOOL indoor units, outdoor units, line sets, controls, or accessories are interchangeable. Use only manufacturer-approved combinations for the exact model family; in particular, MRCOOL states that R-410A products are not compatible with R-454B products and the refrigerants must never be mixed.
Eligible MRCOOL DIY systems are designed around installation-friendly components such as factory-precharged line sets and compatible connection hardware. The included components vary by generation and package, and electrical work, permits, clearances, and local code requirements still need to be followed.
MRCOOL does not dispatch field technicians. Its in-house team provides phone and email assistance for diagnosis, troubleshooting, and product guidance, while the owner arranges and pays for any local on-site technician unless a specific written warranty program states otherwise.
The model and serial number identify the exact equipment, generation, capacity, and applicable documentation or warranty. Use the identification labels on the equipment and MRCOOL’s registration guidance rather than relying only on a product title or general series name.
No. Only product families specifically identified by MRCOOL as DIY-capable should be treated as do-it-yourself systems. Other lines, including the Advantage Series, require professional HVAC installation, so always follow the installation requirements for the exact model.
MRCOOL maintains a documentation library and a product support center with model-specific installation manuals, owner manuals, technical documents, certifications, warranty information, and troubleshooting resources. Search using the exact model number because documents can differ by series, generation, capacity, and refrigerant.
MRCOOL offers a broad range of comfort products, including ductless mini-splits, central ducted split systems, packaged heat pumps, geothermal systems, water heaters, fans, thermostats, line sets, and HVAC accessories. Available capacities, refrigerants, efficiencies, and features depend on the exact product family and model.
Register the system as soon as possible after purchase and installation. Several MRCOOL residential warranty programs require registration within 60 days of installation, or within 60 days of purchase when the installation date cannot be verified, but the exact requirement is controlled by the warranty document for the specific product.
MRCOOL recommends starting with the original place of purchase because many dealers can special-order replacement parts. If that is not available, use an authorized MRCOOL parts distributor and confirm compatibility with the exact model and serial number before ordering.
MRCOOL provides support by phone at (270) 366-0457, by email at support@mrcool.com, and through its online support-request form. Have the exact model and serial number available so the support team can identify the correct product documentation and next steps.
Yes. If a local technician is scheduled, MRCOOL’s in-house support team can help coordinate troubleshooting and product guidance with that technician. The technician should have the model, serial number, system configuration, measurements, error codes, and a clear description of the issue available.
MRCOOL’s support center provides separate technical-support sections for ductless systems, residential ducted systems, product-specific error codes, wiring guidance, installation procedures, and troubleshooting articles. Use the exact series and model because codes and procedures are not universal across all MRCOOL equipment.
Register the product through MRCOOL’s online warranty-registration page. Be prepared to provide the serial number along with purchase, owner, installation-location, and installer information requested by the registration form.
No. MRCOOL publishes separate warranty terms for different product families, generations, and applications. For example, the current DIY 5th Generation warranty lists 5-year parts and 7-year compressor coverage, but that coverage should not be assumed for another MRCOOL series; always check the exact product warranty document.