WeatherExpert 48JC - Air conditioner CARRIER - Free user manual and instructions
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| Type of Product | Packaged Rooftop Air Conditioner |
| Brand | Carrier |
| Model | WeatherExpert 48JC |
| Cooling Capacity | 25.0 Tons (87.9 kW) |
| Heating Options | Gas Heat or Electric Heat |
| Fuel Type (for Heating) | Natural Gas or Electricity |
| Airflow Capacity | 10,000 - 12,000 CFM |
| Refrigerant Type | R-410A |
| Compressor Type | Scroll Compressor |
| Dimensions (H x W x D) | 50.4 in x 99.6 in x 82.8 in |
| Weight | 2,450 lb (1,111 kg) |
| Electrical Supply | 460V / 3-Phase / 60Hz |
| Operating Current | 45 A |
| Efficiency (EER) | 11.0 |
| Functions | Cooling, Heating, Ventilation, Dehumidification |
| Air Filter Type | 2-inch Pleated Filters |
| Drain Connection | 3/4" NPT Male |
| Condenser Coil Protection | Corrosion-resistant coating |
| Maintenance | Periodic cleaning of coils and filters |
| Safety Features | High-pressure switch, low-pressure switch, overload protector |
| Installation Type | Rooftop or Ground-level |
| Certification | ETL Listed |
Frequently Asked Questions - WeatherExpert 48JC CARRIER
What type of refrigerant does the Carrier WeatherExpert 48JC use?
The 48JC uses R-410A, a chlorine-free refrigerant that is more environmentally friendly than older R-22.
How often should I replace the air filters?
Replace or clean the air filters every 1 to 3 months, or more frequently in dusty environments, to maintain airflow and efficiency.
What are the clearance requirements for installation?
Ensure at least 36 inches of clearance on all sides for proper airflow and service access. For rooftop installations, follow local codes for wind protection.
Can the 48JC be used for heating as well?
Yes, the 48JC is available with either gas heat or electric heat options, providing year-round comfort.
Why is the unit not cooling enough?
Check if the air filters are clogged, the condenser coils are dirty, or the thermostat is set incorrectly. Also verify that all supply and return registers are open.
What is the recommended maintenance schedule?
Perform monthly filter checks, quarterly coil cleaning, and an annual professional inspection of electrical connections, refrigerant charge, and moving parts.
How do I troubleshoot a tripped high-pressure switch?
A tripped high-pressure switch usually indicates restricted airflow or overcharge of refrigerant. Turn off the unit, clean filters and coils, and contact a technician to verify the refrigerant charge.
What electrical requirements does this unit need?
It requires a 460V, three-phase, 60Hz power supply, with a minimum circuit ampacity of 45A. Use a dedicated circuit with proper disconnect.
Is the WeatherExpert 48JC allowed for outdoor installation?
Yes, it is designed for outdoor installation, either on a rooftop or on a ground-level pad, and is weatherproofed for all climates.
What warranty does Carrier provide for this model?
The 48JC typically comes with a 5-year parts warranty on the compressor and a 1-year limited warranty on other components. Contact your dealer for full details.
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Product information
Brand : CARRIER
Model : WeatherExpert 48JC
Category : Air conditioner