Hfc134A Service Information - Jenn-Air Service Manual

Service Procedures

HFC134a Service Information

Health, Safety, and Handling
Health, Safety, and
Handling
Allowable overall
exposure limit
Vapor exposure to skin
Liquid exposure to skin
Vapor exposure to eye
Liquid exposure to eye
Above minimum exposure
limit
Safety and handling
Spill management
Fire explosion hazards
Disposal procedures
!
CFC12 HFC134a
1,000 ppm Same
No effect Same
Can cause frostbite Same
Very slight eye irritant Same
Can cause frostbite Same
Can cause Asphyxiation, Same
Tachycardia, and Cardia
Arrhythmias
Wear appropriate skin Same
and eye protection. Use
with adequate
ventilation.
Remove or extinguish Same
ignition or combustion
sources. Evacuate or
ventilate area.
May decompose if Same
contact with flames and
heating elements.
Container may explode
if heated due to resulting
pressure rise.
Combustion products
are toxic.
Recycle or reclaim. Same
WARNING
Properties/Characteristics
Ozone Depletion Potential
(ODP)
Global Warming Potential
(GPW)
Molecular weight
Boiling point at 1 atmosphere
Vapor pressure at 77°F
(25°C)
Liquid density at 77°F (25°C)
Flammability
High-side system operating
Pressure at 65°F (18°C)
Low-side system operating
Pressure at 65°F (18°C)
Comparison of CFC12 and HFC134a Properties
•
•
•
CFC12 HFC134a
1.0* 0.0*
3.2* 0.27*
121 102
-22°F (-30°C) -15°F (-
126°C)
80 psig 82 psig
3 3
82 lb/ft 75 lb/ft
No No
HFC134a approximately 3 psig
higher than CFC12
HFC134a approximately 2 psig
lower than CFC12