WeatherMaker® Standard Efficiency Single-Packaged Rooftop Units
48TC

Performance Features

• ASHRAE 90.1 compliant
• Up to 13.0 SEER, 11.8 IEER, and 11.1 EER
• Gas efficiencies up to 82%
• Cooling operating range up to 115 °F (46°C) and down to 25°F (-4°C) using winter start kit
• 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
• Innovative, easy starting, no-strip screw feature on unit access panels
• Tool-less filter access door
• Optional hinged access panels also available
• Belt drive evaporator-fan motor and pulley combinations available to meet any application
• Two-inch disposable return air filters

Installation Features

• Same footprint as installed Carrier 3-12.5 ton rooftops back to 1989, reducing installation costs and time
• Field convertible from vertical to horizontal airflow for slab mounting (sizes 04-16)
• Provisions for thru-the-bottom power entry capability as standard
• Dedicated vertical and horizontal airflow models available (sizes 17 to 30 only)
• Single point gas, electric, and controls connections
• Full perimeter base rail with built-in rigging adapters and fork truck slots

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 Novation™ condenser coil
• One year parts only on all other parts
• Extended warranty packages available

Factory-Installed Options

• Cabinet
  • Thru-the-base electrical or gas-line connections
  • Hinged access panels
• 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 (sizes 04-28 only)
• Condenser Protection
  • Condenser coil hail guard (louvered design)
• Controls
  • PremierLink DDC communicating controller
  • RTU OPEN multi-protocol controller
  • Smoke detector (supply and/or return air)
• Economizers & Outdoor Air Dampers
  • EconoMi$er IV (for electro-mechanical controlled RTUs)
  • EconoMi$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 17-30)
  • Barometric relief
  • Power exhaust (sizes 17-30)
• Economizer Sensors & IAQ Devices
  • Single dry bulb temperature sensors
  • Single enthalpy sensors
  • CO2 sensor (wall, duct, or unit mounted)
• Indoor Motor & Drive
  • Multiple motor and drive packages
  • Staged Air Volume (SAV) Indoor Fan Speed System (sizes 08-30)
• Power Options
  • Convenience outlet (powered)
  • Convenience outlet (unpowered)
  • Non-fused disconnect

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
  • PremierLink DDC communicating controller
  • RTU OPEN multi-protocol controller
  • Smoke detector (supply and/or return air)(sizes 17-30)
  • Time Guard II compressor delay control circuit
  • Filter status switch
  • Fan status switch
• Economizers & Outdoor Air Dampers
  • EconoMi$er IV (for electro-mechanical controlled RTUs)
  • EconoMi$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 17-30)
  • Barometric relief
  • Power exhaust(sizes 17-30)
• 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
• Low Ambient Control
  • Winter start kit
  • Motormaster head pressure controller
• Roof Curbs
  • Roof curb 14" (356mm)
  • Roof curb 24" (610mm)

AHRI = Air-Conditioning, Heating & Refrigeration Institute
ASHRAE = American Society of Heating, Refrigerating and Air Conditioning, Inc.
EER = Energy Efficiency Ratio
SEER = Seasonal Energy Efficiency Ratio

NOTES
1. Rated and certified under ARI Standard 210/240---06 or 340/360---07, as appropriate.
2. Ratings are based on:
» Cooling Standard: 80°F (27°C) db, 67°F (19°C) wb indoor air temp and 95°F (35°C) db outdoor air temp.
3. All 48TC units comply with ASHRAE 90.1-2010 Energy Standard for minimum SEER and EER requirements.
4. 48TC units comply with US Energy Policy Act (2005).