R-9777-8-24P Red Dot Rooftop Air Conditioner with Heat – 24V, R-134a

Description

The Red Dot R-9777-8-24P Rooftop A/C with Heat is engineered for demanding environments where reliability, performance, and electrical efficiency are critical. Designed for 24V electrical systems, this rooftop unit provides powerful heating and cooling while maintaining manageable current draw for higher-voltage platforms.

With 25,000 BTU/hr of cooling capacity and 45,000 BTU/hr of heating output, the R-9777-8-24P delivers fast temperature pull-down and strong heat in cold conditions. Robust airflow (355 CFM) ensures even distribution throughout the cab, improving operator comfort during long duty cycles.

Built with durable materials and Red Dot’s proven heavy-duty design philosophy, this rooftop heater/A/C unit is ideal for on-highway trucks, vocational vehicles, and off-road equipment where space efficiency and performance must coexist.

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Product Specifications

• Manufacturer: Red Dot

• Model Series: R-9777

• Model Number: R-9777-8-24P

• Alternate Factory Number: R-9777-0-24P

• System Type: Rooftop A/C with Heat

• Refrigerant Type: R-134a

• Voltage: 24 VDC

Cooling Performance

• Cooling Capacity: 25,000 BTU/hr

Heating Performance

• Heating Capacity: 45,000 BTU/hr

Air & Electrical

• Air Flow: 355 CFM

• Current Draw: Optimized for 24V systems (see system documentation)

Physical

• Weight: 74.0 lbs

• Mounting Location: Rooftop

Installation Note:
Additional components may be required to complete an A/C system installation.

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Cross Reference Numbers

• Texas Truck A/C: 950-1240-3-24

• AirSource – MEI: 28764

• CoolStar – MEI: 990-9778

• Primatech: PTAC10-9778

• Red Dot: R-9777-8-24P

• Red Dot Aftermarket: R-9777-0-24

• Truck Air – MEI: 50-9778

• TruckAC+: T5519

• TTA/C: 90-9777-0-24