Carrier Weatherexpert – 48LC Commercial Rooftop Units

48LC WEATHEREXPERT® rooftop units were designed by customers for customers. They are Carrier’s most efficient commercial packaged rooftop ever produced and have some of the industry’s highest IEER’s available. The multi stage cooling compressor logic allows for added comfort, energy savings and humidity control. The unit is ideal for single zone variable air volume capability. Units are pre-wired and pre-charged with environmentally sound Puron® (R-410A) refrigerant at the factory. The units are factory tested in both heating and cooling modes.

  • 3 to 23 Nominal Tons

 

Performance Features

  • Exceeded Department of Energy Advanced RTU Challenge by 15%
  • Exceeds ASHRAE 90.1 and Energy Star efficiency levels, as well as Consortium for Energy Efficiency (CEE) criteria
  • 3 to 5 ton models have two-stage cooling capacity control and 6 to 23 ton models have three-stage cooling capacity control
  • Up to 17.5 SEER and 20.8 IEER
  • Exclusive non-corrosive composite condensate pan in accordance with ASHRAE 62 Standard, sloping design; side or center drain
  • 3 to 23 ton models have standard cooling operation up to 125 °F (52°C), and down to 10°F (-12°C) (3-5 ton models), or down to 40°F (4°C) (6-23 ton models). 3 to 5 ton models have cooling operation down to 0°F (-18°C) with ComfortLink controls.
  • VAV models use a duct static pressure sensor to vary the units indoor fan motor variable frequency drive (VFD) while cooling capacity is controlled by the units supply air temperature sensor, to make sure the correct temperature in each zone.

Maintenance Features

  • Control terminal board facilitating simple safety circuit troubleshooting and simplified control box arrangement
  • Access panels with easy grip handles and tool-less filter access door
  • Innovative, easy starting, no-strip screw feature on unit access panels
  • Optional hinged access panels also available
  • Two-inch disposable return air filters
  • All models have a belt drive evaporator-fan motor and pulley combinations with VFD controller to match the capacity cooling stages for maximum efficiency and comfort control
  • 3 to 5 ton models have an optional ECM direct drive (multi-speed and torque) indoor fan motor system

Installation Features

  • Same footprint as installed Carrier 3-5 ton rooftops back to 1989, reducing installation costs and time
  • Field convertible from vertical to horizontal airflow for slab mounting without any special kits (size 04-12 units)
  • Provisions for thru-the-bottom power entry capability as standard
  • Single point electric, gas, and controls connections
  • Full perimeter base rail with built-in rigging adapters and fork truck slots
  • Dedicated vertical and horizontal airflow models available (factory option on size 14 to 26 units)

Reliability Features

  • Scroll compressors with internal line-break overload protection
  • 24-volt control circuit protected with resettable circuit breaker
  • Permanently lubricated evaporator-fan motor
  • Totally enclosed condenser motors with permanently lubricated bearings
  • Low pressure and high-pressure switch protection
  • Exclusive IGC anti-cycle protection for gas heat operation
  • Solid-state electronic direct spark ignition system and flame roll-out safety protector

Standard Limited Warranty

  • 10 years parts only heat exchanger – aluminized
  • 15 years parts only heat exchanger – stainless steel
  • 5 years parts only compressor
  • 3 years parts only on ComfortLink controls
  • One year parts only on all other parts
  • Extended warranty packages available

Carrier Weatherexpert - 48LC Commercial Rooftop Units: Efficiency and Comfort for Your Toronto Business

Experience unparalleled efficiency and comfort with the Carrier Weatherexpert - 48LC Commercial Rooftop Units, available at Cozy Comfort Plus. Serving Toronto, North York, and the entire GTA, our team of certified HVAC technicians is dedicated to providing top-notch installation and maintenance services for your commercial needs. Enhance your business's environment with the most efficient commercial packaged rooftop units Carrier has ever produced, boasting some of the industry's highest IEER ratings for energy savings and humidity control.

Performance Features: Cutting-Edge Technology

The Carrier Weatherexpert - 48LC units exceed both the Department of Energy’s Advanced RTU Challenge and ASHRAE 90.1 standards. With up to 17.5 SEER and 20.8 IEER, these units are designed for optimal energy efficiency. Whether managing single-zone variable air volume or dealing with extreme temperatures—from 125°F (52°C) down to 0°F (-18°C)—these units ensure reliable performance across all climates.

Maintenance: Simplified and Efficient

Enjoy hassle-free maintenance with features like easy-grip access panels and tool-less filter access doors. The units come with a control terminal board for simple troubleshooting and a belt drive evaporator-fan motor for maximum efficiency. Our North York showroom offers product demos to guide you through maintenance and operation.

Installation: Flexible and Cost-Effective

Installation is a breeze with the Carrier Weatherexpert - 48LC units, thanks to their compatible footprint with older models dating back to 1989. The field convertible airflow system and single-point connections streamline the process, reducing costs and time. Find us in North York to discuss your installation needs today.

Reliability and Warranty: Peace of Mind

Equipped with scroll compressors and a solid-state electronic direct spark ignition system, these units offer unparalleled reliability. The standard limited warranty includes 10-15 years on heat exchangers and 5 years on compressors, with extended packages available. Cozy Comfort Plus, a BBB A+ rated company, ensures your investment is protected.

Cozy Comfort Plus: Your Authorized Carrier Dealer in the GTA

As an authorized Carrier dealer, Cozy Comfort Plus offers expert evaluations, same-day quoting, and professional installations. Our 5-star service extends to repair, replacement, and comprehensive maintenance programs. We also assist with rebate programs like the Canada Greener Homes Grant, ensuring you maximize your savings.

Contact us for quotes, demonstrations, and rebate assistance. We proudly serve Toronto, North York, and the GTA. Visit our showroom or explore our Carrier brand page for more information. Check out our rebate info for potential savings.

Question 1: What is the installation process for Carrier Weatherexpert - 48LC in Toronto?

Installation involves a seamless process due to the unit's compatible footprint with older models and field convertibility. Cozy Comfort Plus offers professional installation services in Toronto, ensuring minimal disruption and cost-effective solutions.

Question 2: How does the Carrier Weatherexpert - 48LC save energy?

The unit's high IEER and SEER ratings, along with its multi-stage cooling compressor logic, significantly reduce energy consumption. Its compliance with the Department of Energy’s Advanced RTU Challenge ensures superior efficiency.

Question 3: Are there financing options available for the Carrier Weatherexpert - 48LC?

Yes, Cozy Comfort Plus provides flexible financing and rental programs to make your investment in Carrier Weatherexpert - 48LC units more manageable. Contact us to learn more about our financing options available in North York and Toronto.

Question 4: Can I get a quote for the Carrier Weatherexpert - 48LC?

Absolutely, Cozy Comfort Plus offers expert in-home evaluations and same-day quoting services. Reach out to us for a detailed quote tailored to your commercial requirements in the GTA.

Question 5: What are the warranty options for the Carrier Weatherexpert - 48LC?

The standard limited warranty includes 10-15 years on heat exchangers and 5 years on compressors, with options for extended warranty packages. This ensures long-term reliability and peace of mind for your investment.

Question 6: How do I schedule a repair for my Carrier Weatherexpert - 48LC unit in North York?

To schedule a repair, simply contact Cozy Comfort Plus. Our certified Carrier repair technicians provide prompt and reliable service across North York, ensuring your unit operates at peak performance.

Factory-Installed Options

  • Cabinet
    • Thru-the-base electrical or gas-line connections
    • Hinged access panels
    • Foil-faced insulation
  • Coil Options
    • Cu/Cu indoor and/or outdoor coils
    • Pre-coated outdoor coils
    • Premium, E-coated outdoor coils
  • Humidity Control
    • Humidi-MiZer Adaptive dehumidification system
  • Condenser Protection
    • Condenser coil hail guard (louvered design)
  • Controls
    • ComfortLink DDC communicating controller (sizes 04-06)
    • RTU OPEN multi-protocol controller
    • Smoke detector (supply and/or return air)
  • Economizers & Outdoor Air Dampers
    • EconoMi$er X (for electro-mechanical controlled RTUs with CA Title 24 FDD)
    • EconoMi$er2 (for DDC controlled RTUs)
    • Ultra-low leak economizer dampers
    • Motorized 2 position outdoor-air damper
    • Manual outdoor-air damper(sizes 14-26)
    • Barometric relief
    • Power exhaust (sizes 14-26)
  • Economizer Sensors & IAQ Devices
    • Single dry bulb temperature sensors
    • Single enthalpy sensors
    • CO2 sensor (wall, duct, or unit mounted)
  • Gas Heat
    • Stainless steel heat exchanger
  • Indoor Motor & Drive
    • Multiple motor and drive packages
  • Low Ambient Control
    • ComfortLink provides cooling operation down to 0°F (-18°C)(3 to 5 ton only)
  • Power Options
    • Convenience outlet (powered)
    • Convenience outlet (unpowered)
    • Non-fused disconnect
    • HACR Circuit Breaker

Field-Installed Accessories

  • Cabinet
    • Thru-the-base electrical or gas-line connections
  • Condenser Protection
    • Condenser coil hail guard (louvered design)
  • Controls
    • Thermostats, temperature sensors, and subbases
    • RTU OPEN multi-protocol controller
    • Smoke detector (supply and/or return air) (sizes 14-26)
    • Time Guard II compressor delay control circuit
    • Filter status switch
    • Fan status switch
  • Economizers & Outdoor Air Dampers
    • EconoMi$er X (for electro-mechanical controlled RTUs with CA Title 24 FDD)
    • EconoMi$er2 (for DDC controlled RTUs)
    • Ultra-low leak economizer dampers
    • Motorized 2 position outdoor-air damper
    • Manual outdoor-air damper
    • Barometric relief
    • Power exhaust
  • Economizer Sensors & IAQ Devices
    • Single dry bulb temperature sensors
    • Differential dry bulb temperature sensors
    • Single enthalpy sensors
    • Differential enthalpy sensors
    • CO2 sensor (wall, duct, or unit mounted)
  • Gas Heat
    • Liquid propane (LP) conversion kit
    • High altitude conversion kit
    • Flue discharge deflector
  • Low Ambient Control
    • Winter start kit
  • Roof Curbs
    • Roof curb 14″ (356mm)
    • Roof curb 24″ (610mm)

Data

Nominal Cooling Ton Size Cooling Stages AHRI Efficiency (SEER) EER Dimensions (in) LxWxH Low Gas Heating Input (MBtuh) Medium Gas Heating Input (MBtuh) High Gas Heating Input (MBtuh) Approx. Unit Weight (lbs)
3 2 (17.1) 74 x 47 x 33 72 115 505
4 2 (17.5) 74 x 47 x 41 72 115 150 590
5 2 (17.2) 74 x 47 x 41 72 115 150 600
6 3 20.5 88 x 59 x 41 72 125 150 1032
7.5 3 19.8 116 x 63 x 57 125 180 224 1606
8.5 3 20.9 116 x 63 x 57 125 180 224 1606
10 3 20.6 116 x 63 x 57 180 224 250 1606
12.5 3 19.1 128 x 87 x 49 150 180 240 1853
15 3 18.4 141 x 87 x 49 220 310 400 2095
17.5 3 17.7 141 x 87 x 49 220 310 400 2201
20 3 18.0 158 x 87 x 57 220 310 400 2347
23 3 17.8 158 x 87 x 57 220 310 400 2492