Rooftop Unit

Carrier Rooftop Unit ® WeatherMaster® - 7.5 Ton Hybrid Heat Single Package Rooftop HP Gas Heat (R-454B)

Carrier Commercial Rooftop Unit - 48QE Rooftop Unit Repair, maintenance, and replacement planning

Technical Specifications

Product Specs

Model: 48QETM08A2M5-3B0A0
Manufacturer Number: 48QETM08A2M5-3B0A0
Vendor Number: 48QETM08A2M5-3B0A0
Catalog Brand: Carrier®
Product Family: 48QE
AHRI Usage: Packaged
Air Flow Direction: Horizontal / Vertical
BTU Input: 180,000-224,000
BTU Output: 146,000-181,000
Blower Motor HP: 2 2/5
Blower Motor RPM: 250-2,000
Blower Motor Speeds: 2
Blower Motor Type: ECM (Electronically Commutated Motor)
Blower Wheel Diameter: 22"
Brand: Carrier®
CFM: 3,000
CFM Heating: 2,240-4,200
Color: Gray
Compressor Type: Scroll
Condenser Coil Fins Per Inch (FPI): 18
Condenser Coil Metering Device: TXV/TEV - Thermostatic Expansion Valve
Condenser Fan Blade Diameter: 22
Condenser Fan Motor Qty: 2
Condenser Motor HP: 1/4
Condenser Motor RPM: 1,100
Condenser Motor Type: PSC (Permanent Split Capacitor)
Cooling Capacity: 90,000
Country Of Origin: USA
Cycle/Hertz: 60 Hz
Drain Connection Size: 3/4"
Drive Type: Direct
EER: 12
Energy Star Rated: NO
Evaporator Coil Fins Per Inch (FPI): 15
Evaporator Coil Metering Device: TXV/TEV - Thermostatic Expansion Valve
Fuel Type: Natural Gas or LP
Gas Connection Size: 3/4"
Gas Connection Type: NPT
Heating Capacity: 45,000-87,000
Height: 49.375
IEER: 17
Ignition Type: Direct Spark (DSI)
Length: 59.375
Low Ambient Cooling Capable: YES
Low Ambient Heating Capable: YES
Maximum Overcurrent Protection (MOCP): 60
OPT Code: 1P48QETM08A2M5-3B0A0
Outdoor Air Filter Size (OA) In Inches (W X H X D): 20 x 24 x 1
Phase: Three
Prop 65: YES
Refrigerant: R-454B
Return Air Filter Size (RA) In Inches (W X H X D): (4) 20 x 20 x 2
Sound Level (dBA): 83
Stages Cooling: 2
Stages Heating: 2
Tier: WeatherMaster®
Tonnage: 7.5
UPC: See Optical
Voltage: 575 VAC
Weight: 875
Width: 88.125

Useful troubleshooting details

Confirm the exact model number, serial number, installed equipment type, and site voltage before service or replacement planning.
Match replacement equipment and accessories against current Carrier compatibility requirements, refrigerant type, capacity, airflow, and local code requirements.

Service planning

How GreenFlow handles Carrier® WeatherMaster® - 7.5 Ton Hybrid Heat Single Package Rooftop HP Gas Heat (R-454B) requests

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Our Happy Customers

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

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