Technical Specifications

Standard Features

Compact Chassis (fits select competitor curbs, shortest chassis) 

Standard Chassis (fits select Carrier P/Z series curbs, highest filtration and fan static capability)

Low global warming potential (GWP) Puron Advance™ refrigerant (R454B) 

Refrigerant leak detection system with dissipation control 

Standard capacity variable speed scroll compressor 

Electronic expansion valves (EXV) metering devices ensure reliable performance across a wide operating envelope. 

Single refrigerant circuit with fully active Al/Cu evaporator coil on 27.5-40 tons 

Dual refrigerant circuit with intertwined Al/Cu evaporator coil on 50-100 tons 

Variable speed condenser fans with Greenspeed intelligence allow for optimized part load performance and allow mechanical cooling down to -10°F (-23.3°C) under appropriate conditions. 

Galvanized steel condensate drain pan 

Large MCHX condenser coils for reduced refrigerant charge and efficient operation 

Natural gas heater with induced draft combustion design and stainless steel heat exchanger 

Direct drive indoor fan array with standard, medium or high static electronically commutated motors (ECM) 

Multiple indoor fan control methods, including SAV, CV, SZ-VAV, multi-zone VAV duct pressure, or 3rd party input 

Multiple pre filter options to help with indoor air quality 

Pre-painted exterior panels and primer-coated interior panels tested to 500 hours salt spray protection 

Carrier SmartVu™ controls with 7” touchscreen display 

10kA short circuit current rating (SCCR) 

Meets or exceed the EER & IEER requirements of ASHRAE Standard 90.1, DOE 2023, and certified (sizes 28-70) or rated in accordance (sizes 74-98) with AHRI Standard 340/360 (sizes 28-70) 

UL listed for compliance with UL Standard 60335-2-40

Reliability Features

Units tested in Carrier and third-party labs to verify performance and efficiency. 

SmartVu™ controller monitors, records, and reports unit performance. Also provides diagnostics and alarms of abnormal unit operation. 

Integrated variable speed compressor protection 

Liquid line filter driers and crankcase heaters standard on all models 

Refrigerant system performance monitoring 

Cabinet made of pre-painted, galvanized steel, which meets ASTM B117 salt spray resistance test 

Condenser-fan motors are totally enclosed 

Reliable Integrated Gas Unit Controller (IGC) provides system evaluation & troubleshooting via on-board LED and redundant main gas valve.

Maintenance Features

Hinged access doors with latches to access maintainable components, such as pre-filters, gas heat, and controls. 

Components, such as electronic expansion valves (EXVs) and condenser fans, are accessible through large access panels for service 

SmartVu™ diagnostics include refrigerant pressure sensors and maintenance reminders 

Condensing and suction pressure sensors to monitor the refrigerant circuit 

Fan shutoff interlock on indoor fan access panel to prevent injury to service personnel if the door opens while the fans are running

Installation Features

SmartVu™ controls are factory installed and configured to match unit configuration to help reduce setup time. 

Shipped with R-454B refrigerant charge 

Factory installed A2L leak detection and mitigation reduces installation and commissioning time 

Heavy duty base rail with lifting lugs for easy rigging 

Single-point power and gas connections 

Provisions for thru-the-bottom power and control wiring 

Factory-installed outside air hoods

Standard Limited Warranty

3-years parts only on microchannel condenser coil 

5-year parts on ultra-low leak economizer 

5-years non pro-rated warranty on heat exchanger 

One year parts on all other non-consumable parts

Factory-Installed Options

Gas Heat

• Low or high capacity, modulating gas heat with stainless steel heat exchanger

Refrigerant Circuit

• High capacity variable speed scroll compressor 
• Low sound package includes shrouded, low sound condenser fans, low RPM motors, and sound blankets 
• Low ambient package includes variable speed condenser fans to allow mechanical cooling down to -10°F (-23.3°C) 
• High efficiency, low sound package for reduced radiant sound during mechanical cooling operation and improved cooling efficiency with up to 21.2 IEER 
• Humidi-MiZer® adaptive dehumidification system with modulating control

Construction

• Standard or compact chassis 
• Extended standard chassis

Controls

• Humidity and enthalpy sensing (OARH & RARH) for dehumidification or free cooling control 
• Return air CO2 sensor for ventilation control 
• Outdoor airflow measuring

Condenser & Evaporator Coils

• E-Coat MCHX Condenser 
• E-Coat Al/Cu Evaporator 
• Stainless steel drain pan 
• Louvered hail guard (sizes 28-60) 
• Security grille (sizes 70-100)

Outdoor Air & Relief

• Ultra-low leak economizer for ventilation and free cooling 
• Barometric relief 
• Standard, low and medium static power exhaust fan 
• Modulating building pressure control

Service & Safety

• Condensate overflow switch 
• Pre-filter status switch with access door retainers 
• Service pack with compressor isolation valves, replaceable core filter drier 
• Return air smoke detector 
• Chicago refrigerant relief valve

Electrical

• Non-fused disconnect 
• Powered or un-powered convenience outlet 
• Phase monitor 
• High short circuit current rating (65kA for 208/230/460V, 25kA for 575V)

Indoor Air Quality

• 2” pre-evaporator filter rack with 2” MERV 8 filters 
• 4” pre-evaporator filter rack with 4” MERV 8 or 13 filters 
• 2” MERV 8 + 4” MERV 13 pre-evaporator filters 
• 2” MERV 8 + 12” MERV 14 bag pre-evaporator filters 
• 2” MERV 8 + 12” MERV 15 cartridge pre-evaporator filters 
• Factory-installed UV-C fixtures with wiring, disconnect switch, door interlocks, and access door with UV safe view port

Field-Installed Accessories

Indoor Air Quality

• Return air CO₂ sensor 
• CO₂ space sensor 
• CO₂ aspirator box 
• UV-C emitters

Controls

• Return air CO₂ sensor 
• Smoke detector 
• Dirty filter switch 
• Non-communicating space sensors, including temperature and humidity 
• Communicating space sensors, including temperature and humidity 
• Space CO₂ sensors 
• Carrier i-Vu Equipment Touch display 
• Thermostats

Miscellaneous Options

• 14-inch roof curb 
• Compressor sound blankets 
• Actuated hot water valves