Carrier® Dedicated Outdoor Air Unit
62L

Performance Features

• Puron Advance (R-454B) refrigerant meets and exceeds EPA’s new Low GWP requirements
• High-efficiency scroll compressors on lag circuit
• Variable speed compressor on lead circuit
• Direct drive plenum fans
• TXV (thermostatic expansion valve) refrigerant metering device for each circuit
• DX cooling operation range from 55 F to 115 F ambient (Air Cooled or ASHP) 
• DX cooling operation range from 40 F to 120 F entering fluid temperature (WSHP) 
• DX heating operation range from 17 F to 55 F ambient (ASHP)
• DX heating operation range from 30 F to 90 F entering fluid temperature (WSHP)
• 24-v control circuit
• Rubber fan vibration isolators
• 2-in. double wall construction with an R-13 rating
• Sloped, insulated, stainless steel condensate pan
• Filter rank assembly with optional 2-in. or 4-in. pre-filter
• Direct drive motors
• High-efficiency 1 HP and larger motors meet EPACT (Energy Policy Act)
• Two-position outside air damper (100% outdoor air)
• Easy to use factory installed EQT display 
• Factory installed DOAS Microprocessor Controller 
• Occupancy schedule 
• Service diagnostics 
• Alarms and alert history 
• Short-cycle compressor protection 
• Supports communications with BACnet™ MS/TP 

Reliability Features

• Dual electrically and mechanically independent refrigeration circuits (unit sizes 40-140)
• Crankcase heaters
• Compressor protection includes high and low pressure switches
• Phase/voltage monitor
• Liquid line filter driers
• Circuit breaker protection for all power components
• Pre-painted, galvanized steel cabinet with baked enamel finish which meets ASTM (American Society of Testing and Materials) B117 salt spray resistance
• Water regulating valves for operation at low entering condenser water temperature (water source units)
• Water flow proving switch (water source units)
• Tested in accordance with UL Standard 60335-2-40
• Listed by ETL and ETL, Canada

Maintenance Features

• Large hinged service access doors
• Easy to access filter rack

Installation Features

• Single point electrical service entry through unit bottom or side
• Rigging openings in base rail

Standard Warranty

• One-year parts

Factory-Installed Options

• Multiple cabinet sizes 
• High Efficiency Fans
  • Optional ECM
  • Spring vibration isolation on ODP or TEFC fan motor assemblies
  • Backward incline or airfoil direct drive supply and exhaust fans
  • Optional duct pressure control
  • Optional airflow monitoring station control
• Gas Heat assembly
  • Natural gas or propane
  • Stainless steel heat exchanger
  • Induced draft combustion
  • Up to four stage control
  • Up to 10:1 turndown, modulating control
  • Up to 1600 MBH input
  • Up to 160˚F temperature rise
• Electric heat
  • Up to four stage control
  • Available SCR control
  • Up to 150 kw
• Hot water heat
  • Modulating control
• Energy conservation wheel options:
  • Multiple wheel sizes
  • Wheel VFD (variable frequency drive) for defrost control
  • Wheel bypass
• Electrical options:
  • Convenience outlet
  • Non-Fused disconnect switch
• Reheat options:
  • Modulating hot gas reheat 
  • Lead or dual circuit hot gas reheat
  • Dual circuit reheat system with liquid subcooling reheat on all circuits
  • Standard or high-efficiency condenser (air-cooled units)
• DX options:
  • Standard or high-efficiency condenser (air-cooled units)
  • Copper or Cupronickel COAX outdoor water coil (40-70 ton WSHP units)
  • SST BPHE outdoor water coil (80-140 ton WSHP units)
• Filter options:
  • 2-in. MERV 8
  • 4-in. MERV 8
  • 4-in. MERV 11
  • 4-in. MERV 13
• Harsh environment protection with 10,000 hour salt spray rated coating

Field-Installed Accessories

• Roof curbs
  
• ZS sensors
• Replacement filter kits