Technical Specifications

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

All 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

All models have standard cooling operation up to 125 °F (52°C), and down to 40°F (4°C)

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 07-12 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

Large capacity liquid line filter drier as standard

Standard Limited Warranty

5 years parts only electric heater

5 years parts only compressor

3 years parts only on ComfortLink controls

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

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)

Electric Heat

Multiple Electric Resistance Heater KW Sizes

Single Point kit

Indoor Motor & Drive

Multiple motor and drive packages

Low Ambient Control

Winter start kit

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

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)

Electric Heat

Multiple Electric Resistance Heater KW Sizes

Single Point kit

Low Ambient Control

Winter start kit

Roof Curbs

Roof curb 14" (356mm)

Roof curb 24" (610mm)