2
S
afety
P
recautionS
WARNING : TO pReveNT peRsONAl INjuRy ANd / OR equIpMeNT dAMAGe,
AllOW ONly quAlIFIed peRsONNel TO OpeRATe THIs uNIT.
Before operating the unit,
read and follow the instructions and warnings in this manual. The operator must be familiar with air
conditioning and refrigeration systems, refrigerants, and the dangers of pressurized components. If
the operator cannot read this manual, operating instructions and safety precautions must be read and
discussed in the operator’s native language.
pRessuRIZed TANK CONTAINs lIquId ReFRIGeRANT.
Do not overfill storage vessels, because
overfilling may cause explosion and personal injury or death. Do not recover refrigerants into nonrefill
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able containers; use only federally authorized refillable containers (DOT spec. 4BW or 4BA).
HOses MAy CONTAIN lIquId ReFRIGeRANT uNdeR pRessuRe.
Contact with refrigerant may
cause personal injury. Wear protective equipment, including safety goggles and protective gloves.
Disconnect hoses using extreme caution.
dO NOT BReATHe ReFRIGeRANT ANd luBRICANT vApOR OR MIsT.
Exposure may cause
personal injury, especially to the eyes, nose, throat, and lungs. Use the unit in locations with mechani
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cal ventilation that provides at least four air changes per hour. If accidental system discharge occurs,
ventilate the work area before resuming service.
use THe sHORTesT pOssIBle eXTeNsION CORd WITH A MINIMuM sIZe OF 14 AWG.
Using
an undersized extension cord may result in electrical equipment failure.
TO ReduCe THe RIsK OF FIRe
, do not use the unit in the vicinity of spilled or open containers of
gasoline or other flammable substances.
dO NOT use COMpRessed AIR TO pRessuRe TesT OR leAK TesT THe uNIT OR AIR
CONdITIONING sysTeM.
Some mixtures of air and R-134a refrigerant are combustible at elevated
pressures. These mixtures are potentially dangerous and may result in fire or explosion causing per
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sonal injury or property damage.
dO NOT MIX ReFRIGeRANT Types THROuGH A sysTeM OR IN THe sAMe CONTAINeR.
Mix
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ing of refrigerants will cause severe damage to the unit and the system being serviced.
HIGH vOlTAGe eleCTRICITy INsIde THe uNIT HAs A RIsK OF eleCTRICAl sHOCK.
Expo
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sure may cause personal injury. Disconnect power before servicing the unit.
E
xplanation
of
S
afEty
S
ignal
W
ordS
WARNING
: Indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury.
CAuTION
: Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury.
CAuTION
: Used without the safety alert symbol indicates a potentially hazardous situation which, if not
avoided, may result in property damage.