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Flammable Refrigerant Hazards
If flammable refrigerant is released from a system, an explosive concentration can be present in the air near
the system. If there is an ignition source nearby, a release of flammable refrigerant can result in a fire or
explosion. While systems using flammable refrigerant are designed to mitigate the risk of ignition if the
refrigerant is released, fire and explosion can still occur.
See
Climate.Emerson.com/flammable
Electrical Hazards
Until a system is de-energized, and capacitors have been discharged, the system presents a risk of electric
shock.
Hot Surface and Fire Hazards
While the system is energized, and for some time after it is deenergized, the compressor may be hot. Touching
the compressor before it has cooled can result in severe burns. When brazing system components during
service, the flames can cause severe burns and ignite nearby combustible materials.
Lifting Hazards
Certain system components may be very heavy. Improperly lifting system components or the compressor can
result in serious personal injury. Use proper lifting techniques when moving.
POE Oil Hazards
This equipment contains polyolester (POE) oils. Certain polymers (e.g., PVC/CPVC and polycarbonate) can be harmed if
they come into contact with POE oils. If POE oil contacts bare skin, it may cause an allergic skin reaction.
Precautions
•
Always wear personal protective equipment (gloves, eye protection, etc.).
•
Keep a fire extinguisher at the jobsite at all times.
•
Keep clear of the compressor when power is applied.
-
IMMEDIATELY GET AWAY if you hear unusual sounds in the compressor. They can indicate that terminal pin
ejection may be imminent. This may sound like electrical arcing (sizzling, sputtering or popping). However, terminal
venting may still occur even if you do not hear any unusual sounds.
•
Never reset a breaker or replace a blown fuse without performing appropriate electrical testing.
-
A tripped breaker or blown fuse may indicate an electrical fault in the compressor. Energizing a compressor with an
electrical fault can cause terminal venting. Perform checks to rule out an electrical fault.
© 2020 Emerson Climate Technologies, Inc.
for more information on flammable refrigerant safety.
3
AE4-1486 R1
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