Applications
New-Build
AC Chair Car
Designed for evaluation and integration subject to OEM/operator requirements, sized for the higher passenger density and shorter journey profile typical of AC Chair Car service.

Representative engineering visual — indicative coach exterior. Not an OEM-approved livery or configuration.
System Architecture
- Air management tuned for higher occupancy
- Thermal management aligned to day-service duty cycle
- Standard CORE-ERMC integration
Installation Approach
New-build integration at the coach manufacturing / fit-out stage, in coordination with the OEM.
Interfaces
- OEM HVAC and electrical architecture
- Coach control network
Engineering Considerations
- Space allocation for onboard modules within the roof and underframe envelope
- Passenger comfort and dwell-time thermal recovery
Expected Validation Process
Subject to OEM design review, bench testing and rolling-stock qualification prior to any fitment decision.
TransO2 system configurations, performance characteristics and component arrangements shown on this website represent engineering concepts, development targets or illustrative architectures unless expressly identified as validated or measured. Final system configuration is subject to detailed engineering, rolling-stock survey, testing, safety assessment, certification and operator/OEM requirements.