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Safety - 2
T-312
SPECIFIC WARNINGS AND CAUTIONS
WARNING
BE SURE TO OBSERVE WARNINGS LISTED IN THE SAFETY SUMMARY IN THE FRONT OF
THIS MANUAL BEFORE PERFORMING MAINTENANCE ON THE HVAC SYSTEM
WARNING
DO NOT USE A NITROGEN CYLINDER WITHOUT A PRESSURE REGULATOR
WARNING
DO NOT USE OXYGEN IN OR NEAR A REFRIGERATION SYSTEM AS AN EXPLOSION MAY
OCCUR.
WARNING
EXTREME CARE MUST BE TAKEN TO ENSURE THAT ALL THE REFRIGERANT HAS BEEN
REMOVED FROM THE COMPRESSOR CRANKCASE OR THE RESULTANT PRESSURE WILL
FORCIBLY DISCHARGE COMPRESSOR OIL.
WARNING
WHEN MOVING THE COIL CARE MUST BE TAKEN TO AVOID PERSONAL INJURY BE-
CAUSE OF THE WEIGHT OF THE COIL.
CAUTION
Do not under any circumstances attempt to service the microprocessor. Should a problem
develop with the microprocessor, replace it.
CAUTION
Care Must Be Taken To Ensure That The Manifold Common Connection Remains Immersed
In Oil At All Times Or Air And Moisture Will Be Drawn Into The System.
CAUTION
To prevent trapping liquid refrigerant in the manifold gauge set be sure set is brought to
suction pressure before disconnecting.