Traditional Refrigerants
R-514A
HFO-1336mzz …R-514A (Opteon XP30) is a low-pressure refrigerant for centrifugal chillers. It has B1 classification (higher toxicity, mildly flammable) but ultra-low GWP.
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Key Information
Essential safety and exposure information for R-514A
Health Effects
B1 classification indicates higher toxicity than A-class refrigerants. Requires enhanced ventilation and safety measures. Mildly flammable.
Common Sources
- Large centrifugal chillers
- Industrial cooling systems
- Used as a low-pressure replacement for R-123
Exposure Limits
- ACGIH TWA 8hr
- 200 ppm
- Occupational Exposure Limit (OEL)
- 323 ppm (as a total blend)
Regulatory Status
- EPA SNAP
- Under review
- ASHRAE 34
- B1 Safety Classification
- GWP
- 2 (Ultra-low GWP)
- ODP
- 0
- DOT
- Class 2.2 Non-flammable
- Application
- Low-pressure chillers
Detection Requirements
- R-514A is detected using non-dispersive infrared (NDIR) sensors calibrated to the absorption spectrum of its HFO-1336mzz(Z) component. NDIR technology provides reliable, low-maintenance monitoring with long sensor life and immunity to sensor poisoning. Detector mounting should follow ASHRAE 15 guidelines for low-pressure refrigerants, typically at breathing zone height in mechanical rooms housing centrifugal chillers. CET's cGas IR Refrigerant Transmitter provides accurate, parts-per-million level detection with both analog and digital output options for BAS integration.
Detection Solutions Coming Soon
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