Single-Packaged Rooftop
Puron® (R-410A) Refrigerant
15.0 to 27.0 nominal tons
The 50TJM units are single side discharge rooftop cooling unit utilizing electric heat as an option. Units are prewired, pre-charged with R-410A refrigerant, and tested at the factory. These units can be placed on the side of a building or can be placed on a roof without roof curbs. Each unit is designed to occupy a minimal space. Piping and drain connections are readily accessible.
Carrier’s Package Rooftop Unit software makes selecting and optimizing the 50TJM easy.
Carrier Desert Master 50TJM Single-Packaged Rooftop Puron® (R-410A) Refrigerant
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Key Features
Installation Features
- ASHRAE 90.1 Compliant
- EER’s up to 11.71
- TXV refrigerant metering device
- Two independent refrigerant circuits, each with a scroll compressor
- Low outdoor temperature cooling operation down to 40°F
- Cooling operating range up to 125 °F (51.6°C)
- Liquid filter drier standard on each circuit
- Fresh air intake capability
- Non-corrosive sloped condensate drain pan in accordance to ASHRAE 62 standard
- Thermally protected and permanently lubricated condenser and evaporator fan motors
- Angle type return air section with washable type filters
Environmentally Responsible Refrigerant Choice
R-410A refrigerant is:
- A chlorine-free refrigerant from the HFC group
- Has zero ozone depletion potential
- Thermally efficient and provides High EER (energy efficiency), COP, and part load efficiencies
Superior Reliability, Efficiency and Safety
- Exceptional endurance tests
- Painted panels tested to ASTM B-117 500 hours salt spray protection
- Pre-coated fin condenser coil for extra corrosion protection
- Compressor Protection:
- High and low pressure cutouts
- Compressor lockout
- Phase protection relay
- Crankcase heaters are standard for all units
- Internal over temperature protection
- Freeze protection
- Low vibration design:
- Leak-tight refrigerant circuit
- Brazed refrigerant connections for increased leak tightness
- Low-noise scroll compressors with low vibration levels
- Control circuit protected by circuit breaker
- Thermally protected and permanently lubricated condenser and evaporator fan motors
- Angle type return air section with washable type filters
- Transformer for safe 24v control circuit supply included
- State-of-art scroll compressor technology
- Dual, electrically and mechanically independent refrigerant circuit
- Double skin construction, Insulated cabinet