Gemini® Single-Stage Commercial Split-System
Technical Specifications
At a glance
Compressor Type
Cooling OnlyRefrigerant
R-410AType
Condensing UnitCapacity
6 - 20 TonsMatched Air Handler(s)
40RUA, 40RUQ, 40RUSFeatures
Performance Features
38AUZ single circuit cooling only System EERs from 11.5
ASHRAE 90.1 Efficiency Compliant
Standard crankcase heater
Compressor vibration isolation
Low ambient temperature control
Unit performance certified in accordance with ARI standard 340/360
Reliability Features
High and low-pressure switches
Anti-short cycling protection
Prepainted, galvanized steel cabinets that passes 500-hour salt-spray test
Compressor overload protection
Scroll compressor
E-Coat coil protection
UL, UL, Canada or ETL approved
Installation Features
Shipped with Puron (R-410A) refrigerant partial charge
Single-piece design
Perimeter base rail with forklift slots and lifting holes facilitates rigging
Suitable for mounting on the ground or the rooftop
24V control circuit transformer permits quick, easy wiring of thermostats
Maintenance Features
Comfort Alert™ diagnostic board
Powered and non-powered 115-v convenience outlet
Compressor access panel with easy grip handle
Easy starting, no-strip screw feature
Non-fused disconnect switch
Standard Limited Warranty
5 years parts only on compressor
One year parts only on all other parts
Options
Factory-Installed Options
E-Coat condenser coils for enhanced corrosion resistance
Non-fused disconnect switch for added safety
Powered convenience outlet for easy maintenance
Low ambient temperature Motormaster® control
Field-Installed Accessories
Programmed thermostats to enhance climate customization
Louvered hail guards for added coil protection
Additional Motormaster® controls for low-temperature regions
Physical Data
38AUZ/40RUA AHRI Cooling Ratings
| Unit | Cooling Stages | Nominal Capacity (tons) | Net Cooling Capacity (MBH) | Total Power (kW) | EER | IEER |
| 38AUZ07/40RUA07 | 1 | 6 | 71 | 6.2 | 11.5 | 12.2 |
| 38AUZ08/40RUA08 | 1 | 7.5 | 92 | 8.2 | 11.2 | 11.8 |
| 38AUZ12/40RUA12 | 1 | 10 | 117 | 10.4 | 10.3 | 12.0 |
| 38AUZ14/40RUA14 | 1 | 12.5 | 148 | 13.5 | 11.0 | 12.0 |
| 38AUZ16/40RUA16 | 2 | 15 | 184 | 16.4 | 11.2 | 13.2 |
| 38AUZ25/40RUA25 | 2 | 20 | 240 | 21.8 | 11.0 | 11.2 |
AHRI = Air-Conditioning, Heating and Refrigeration Institute
ASHRAE = American Society of Heating, Refrigerating and Air Conditioning, Inc.
EER = Energy Efficiency Ratio
IEER = Integrated Energy Efficiency Ratio
COP = Coefficient of Performance
NOTES
- Rated in accordance with ARI Standard 340/360---07, as appropriate.
- Ratings are based on:
- Cooling Standard: 27°C (80°F) db, 19°C (67°F) wb indoor air temp and 35°C (95°F) db outdoor air temp.
- IEER Standard: 27°C (80°F) db, 19°C (67°F) wb indoor air temp and 4 various outdoor temperatures.
- All units comply with ASHRAE 90.1 Energy Standard for minimum EER and IEER requirements.
Documents
Accessory and Kit Data
Hail Guard Accessory for Split Systems Heat Pump and Condensing Units 15 and 20 Tons CALVHLGD008A00, CALVHLGD009A00
CALOWAMB004A00-CALOWAMB006A00, CALOWAMB009A00, CALOWAMB030A00-CALOWAMB036A00 Split Systems Accessory Motormaster I Head Pressure Controller 6 to 12.5 Tons
Hail Guard Accessory for Split Systems Heat Pump and Air Conditioning Condensing Units (6-12.5 Ton Cooling, 6-10 Ton Heat Pump)
Guide Specifications
38AUZ / 38AUD Guide Specifications, 6 to 20 Nominal Tons
38AUZ/38AUD Guide Specifications, 21 to 88 kW (6 to 25 Tons), 50 Hz
Installation
Refrigerant Holding Charge Notification, 38AUZ/38AUD Air-Cooled Condensing units, 6 to 20 Nominal Tons
38AU 07-14 Gemini Air Cooled Condensing Units with Puron (R-410A) Refrigerant
38AU 16-28 Air Cooled Condensing Units with Puron (R-410A) Refrigerant
38AU 07-14 Air-Cooled Condensing Units 50 Hz with Puron (R-410A) Refrigerant
Product Data
38AUZ/38AUD 07-25 Commercial Split Systems Air Conditioning Condensing Units, 6 to 20 Tons
38AUZ/38AUD 07-28 Air-Cooled Condensing Units, with Puron (R-410A) Refrigerant, 21 kW to 88 kW (6 to 25 Nominal Tons), 50 Hz Units
Submittal
38AUZ/D 07-28 Air-Cooled Condensing Units with Puron (R-410A) Refrigerant, 60 Hz
Warranty Card
Limited Warranty for Light Commercial Equipment