SRT Specifications

Description
The SRT-II/III is a rooftop system designed for Cool or Cool/Reheat/Heat applications. Fresh air (optional) can be incorporated. The attractive low-profile system is designed to blend in aesthetically with bus designs. System can be installed anywhere on the roof of the bus, providing maximum installation and weight distribution options. Mount the condenser to the front or rear of the evaporator. Designed to fit, the SRT-II/III is available with 5 M, 7.5 M, or 11.5 M radius bases. Flexible, cost-effective and attractive - this low-profile system maintains Thermo King's reputation for high performance and low maintenance costs.

Compressor:

• Thermo King Model A6 

• 207 cc (12.6 in.³) displacement 

• Axial 6 cylinder design 

• 6500 RPM maximum

Electric Motors :

• Evaporator: 4 motors (0.26 HP, 3600 RPM) 

• Condensers: 2 motors (0.35 HP, 2800 RPM)

Refrigeration Capacity:

System net cooling capacity at 100ºF (38°C) ambient and high speed engine/60 Hertz electric power operation.

Maximum Capacity: 

Rated 
Capacities at:

Heating Capacity:

At 30 Lt./Min (8 GPM) coolant flow rate and 55K (100°F) temperature differential between return air and coolant

Refrigerant

• R-134a

Electrical Power Requirements

• 52 amps at 27V DC

Controls 

The SRT-II/III comes standard with Thermo King's newest computerized control equipment - the IntelligAIRE™ Control System. This smart, new system gives the driver total easy-to-use control of the vehicle's internal environment. Digital display indicates thermostat set point, internal and external temperatures.

The optional Smart Controller® diagnostic feature with compressor and system hour meters can help you precisely determine when preventive maintenance is required. System shuts down to prevent costly failure, while the yellow alarm indicator and record of alarm codes aid in troubleshooting and repair.

Air Flow 

• Net system air flow: 0 mm [in.] water column external static pressure) 

• Evaporator (High Speed): 2720 M³/hr (1600 ft³/min.) 

• Evaporator (Low Speed): 1530 M³/hr (900 ft³/min.)

Weights (approximate) 

Dimensions inches (millimeters)