AirQuest Gemini 7.5 Ton Commercial Air Conditioning Unit 460 Volt 3 Phase

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The Gemini 38AU series outdoor air cooled condensing units matched with the 40RU series indoor air handlers offer a wide variety of options for your HVAC application needs. Whether it’s first cost with the 38AU single compressor models or superior part load performance from the two compressor models, this series is designed for long, dependable operation as a rooftop or on-the-ground installation. All Gemini 38AU and 40RU series units use Puron R-410A refrigerant. Together, they create a reliable split system that provides easy solutions to a wide range of commercial HVAC needs.

Constructed to Last

The 38AUZ's single circuit scroll compressor models are designed and built to last. The high efficient designed outdoor coil construction allows for a more efficient design in a smaller cabinet size that utilizes an overall reduction in refrigerant charge. Where conditions require, special coil coating coil protection option is available. Cabinets are constructed of prepainted galvanized steel, delivering unparalleled protection from the environment. Inside and outside surfaces are protected to ensure long life, good looks, and reliable operation. Safety controls are used for enhanced system protection and reliability. Each unit utilizes the Comfort Alert diagnostic and troubleshoot control system. This protects the units operation and provides valuable diagnostic information when required.

Factory-Installed Options (FIOPs)

Certified and pre-engineered factory-installed options (FIOPs) allow units to be installed in less time, thereby reducing installed cost. FIOPs include:

  • Low Ambient Controls to Provide Cooling Operation Down to -20°F (-29°C) Ambient Temperatures
  • Non-Fused Disconnect
  • 115-v GFI (Ground Fault Interrupter) Convenience Outlet, Powered and Non-Powered Available
  • Special Coil Coating Protection
  • Louvered Hail Guard

Efficient Operation

These air cooled condensing units will provide EER’s up to 11.5 which meets ASHRAE 90.1 efficiency levels. The 38AU dual compressor models provide two (2) stages of cooling for remarkable partial load performance. This high efficiency will help reduce overall operating cost and energy consumption.

Controls for Performance Dependability

The 38AU condensing units offer operating controls and components designed for performance dependability. The high efficiency hermetic scroll compressor is engineered for long life and durability. The compressors include vibration isolation for quiet operation. The high-pressure switch protects the entire refrigeration system from abnormally high operating pressures. A low-pressure switch protects the system from loss of charge. These units also include anti-short-cycling protection, which helps to protect the units against compressor failure. All units include a crankcase heater to eliminate liquid slugging at start-up. Each unit also comes standard with the Comfort Alert™ control system. This provides:

  • System Go LED Indicator
  • Fault LED Indicator
  • Compressor Fault LED Indicator
  • Phase Loss Protection
  • Phase Reversal Protection
  • Safety Pressure Indicator
  • Anti-Short Cycle Protection
The latest safety standards for 38AUZ units are assured through UL, Canada approvals (6 to 12.5 ton units) and ETL, Canada approvals (15 and 20 ton units).

Custom Matching to 40RU Indoor Units for Superior System Performance

Information on matching 40RU DX packaged air handler follows for convenience. See separate product data for more details.

The 40RU Series has excellent fan performance, efficient direct-expansion (DX) coils, a unique combination of indoor-air quality features, and is easy to install. Its versatility and state-of-the-art features help to ensure economical performance of the split system both now and in the future.

Indoor-Air Quality (IAQ)

The unique combination of IAQ features in the 40RU Series air handlers help to ensure that only clean, fresh, conditioned air is delivered to the occupied space. Direct-expansion (DX) 4 row cooling coils prevent the build-up of humidity in the room, even during part-load conditions. Standard 2-in. (51mm) disposable filters remove dust and airborne particles from the occupied space for cleaner air. The pitched, non-corroding drain pan can be adjusted for a right-hand or left-hand connection to suit many applications and provide positive drainage and prevent standing condensate. The accessory economizer can provide ventilation air to improve indoor-air quality by using demand control ventilation.


The 40RU Series packaged air handlers provide reduced installation expense and energy-efficient performance. Quick installation is ensured by the multipoise design. Units can be installed in either the horizontal or vertical configuration without modifications. Fan motors and contactors are pre-wired and thermostatic expansion valves (TXVs) are factory-installed on all 40RU models. High efficiency, precision-balanced fans minimize air turbulence, surging, and unbalanced operation, cutting operation expenses. The economizer accessory precisely controls the blend of outdoor air and room air to achieve comfort levels. When the outside air enthalpy is suitable, outside air dampers can fully open to provide “free” cooling without energizing mechanical cooling.

Rugged Dependability

The 40RU series units are made to last. The die-formed galvanized steel panels ensure structural integrity under all operating conditions. Galvanized steel fan housings are securely mounted to a die-formed galvanized steel fan deck. Rugged pillow-block bearings (40RU14) are securely fastened to the solid steel fan shaft with split collets and clamp locking devices. Smaller unit sizes have spider-type bearings.

Coil Flexibility

Model 40RU direct-expansion coils have galvanized steel casings; inlet and outlet connections are on the same end. The coils are designed for use with Puron (R-410A) refrigerant and have 3/8-in. diameter copper tubes mechanically bonded to aluminum sine-wave fins. The coils include matched, factory-installed thermostatic expansion valves (TXVs) with matching distributor nozzles and offers a removable power element and extended connections.

Easier Installation and Service

The multipoise design and component layout ensures quick unit installation and operation. Units can be converted from horizontal to vertical operation by simply repositioning the unit. Drain pan connections are duplicated on both sides of the unit. The filters, motor, drive, TXVs, and coil connections are all easily accessed by removing a single side panel.

Product Specifications
More Information
AirQuest Gemini 7.5 Ton Commercial Air Conditioning Unit 460 Volt 3 Phase
Weight (in lbs) 391.000000
Manufacturer AirQuest
Cooling BTU 92,000
Blower Motor Single Speed Motor
Drive Type Direct
Maximum CFM 6000
Decibel Level (dBA) 85 dB
Motor RPM 1100
Horsepower 1/4 HP
Refrigerant R410A
EER 11.2
Condenser Stages Two Stage
Compressor Type Scroll
Liquid Valve Size 1/2"
Suction Valve Size 1 1/8"
Electrical 460v 3 Phase 60 Hz
Phase Three Phase
Max Breaker Size 25 amps
Min. Breaker Size 16.9 amps
Tonnage 7.5 Ton
Certification AHRI Certified
Height 42 3/8"
Width 45 7/8"
Depth 59 3/8"
Warranty 5 Year Compressor Limited, 1 Year Parts Limited
Resources You will need Adobe Acrobat Reader to view PDF documents.
Safety Information PROPOSITION 65 WARNING
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