Safety - 2
T -312
SPECIFIC W ARNINGS AND CAUTIONS
W ARNING
BE SURE TO OBSERVE WARNINGS LISTED IN THE SAFETY SUMMAR Y IN THE FRONT OF
THIS MANUAL BEFORE PERFORMING MAINTENANCE ON THE HVAC SYSTEM
W ARNING
DO NOT USE A NITROGEN CYLINDER WITHOUT A PRESSURE REGULATOR
W ARNING
DO NOT USE OXYGEN IN OR NEAR A REFRIGERATION SYSTEM AS AN EXPLOSION MAY
OCCUR.
W ARNING
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.
W ARNING
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.
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