Single-Packaged Rooftop Units
High-Efficiency
Gas Heating / Electric Cooling
Puron® (R-410A) Refrigerant
3 to 25 Nominal Tons
48HC WEATHERMASTER® rooftop unit were designed by customers for customers. With a gauge plug, centralized control center, plug & play accessory board, "no-strip screw" collars, and handled access panels, we’ve made the unit easy to install, easy to maintain, and easy to use. 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.
Performance Features
- ASHRAE 90.1 and Energy Star compliant
- Up to 15.6 SEER, 13.0 IEER, and 12.2 EER
- Gas efficiencies up to 82%
- Standard cooling operating range up to 125 °F (52°C) and down to 35°F (2°C). Low ambient controllers can bring cooling operation down to -20°F (-29°C)
- Innovative non-corrosive composite condensate pan in accordance with ASHRAE 62 Standard, sloping design; side or center drain
- Exclusive IGC solid-state control for on-board diagnostics with LED error code designation, burner control logic and energy saving indoor fan motor delay
- Pre-painted exterior panels and primer-coated interior panels tested to 500 hours salt spray protection
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
- Belt drive evaporator-fan motor and pulley combinations available on all three phase models to meet any application
- Electric Drive x13 (5 speed/torque) motor on 04 to 06 models
- Two-inch disposable return air filters
Installation Features
- Same footprint as installed Carrier 3-5 and 7.5-10 ton rooftops back to 1989, reducing installation costs and time
- Field convertible from vertical to horizontal airflow for slab mounting (sizes 04 to 14)
- Provisions for thru-the-bottom power entry capability as standard
- Single point gas and electric 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 17 to 28 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
- One year parts only on all other parts
- Extended warranty packages available
For California Residents
3-5 Ton G/E Models Only
For installation in SCAQMD only: This furnace does not meet the SCAQMD Rule 1111 14 ng/J NOx emission limit, and thus is subject to a mitigation fee of up to $450. This furnace is not eligible for the Clean Air Furnace Rebate Program: www.CleanAirFurnaceRebate.com.
