One rooftop system. Complete Thermal Management.
The intelligent, all-in-one roof-mounted heat pump system with reverse
function for high-performance passenger climate control, driver
climate control, battery thermal management and powertrain cooling
with waste heat recycling for maximum efficiency.
KEY FEATURES
Thermal Management Functions
- Reversible heat pump for heating and air conditioning
- Battery thermal management options: active cooling, passive cooling and heating
- Optional coolant loops for power electronics and traction motor cooling
- Standard waste heat recovery from the powertrain to improve efficiency
- Optional electrical PTC heater for additional heating capacity
- Optional water take-off for floor heating integration
- Fresh air intake options for improved cabin air quality
Refrigerant and Efficiency
- Low-GWP refrigerant (R-454C, A2L class) to minimise environmental impact
- Waste heat recovery and battery passive cooling for optimal efficiency and energy saving
Control and Integration
- Advanced control software with dynamic thermal regulation to work with your set-point requirements
- Integrated automatic temperature control designed, developed, and validated by Grayson
- CAN communication and control with external components (temperature sensors, water pumps, PTC water heaters, floor heaters, demisters)
- Optional LIN communication available
Installation and Compatibility
- Specifications to suit bus lengths from 8m to 24m
- High-voltage compatible (up to 900V DC)
- LHD and RHD vehicle compatibility
- Modular, configurable design to suit different vehicle layouts and climate needs
Variants and Options
- Variants available with multiple fans and blowers to match performance requirements