ALWAYS MAKE SURE INDOOR UNIT HAS PRESSURE BEFORE STARTING WORK.
WHEN RUNNING LINE SET (MINIMUM LENGTH 10 FT) (MAX LENGTH CHECK CHART)
ALWAYS USE A TORQUE WRENCH TO TIGHTEN FLARE FITTINGS TO TORQUE SPECS
ALWAYS USE 14/4 STRANDED WIRE FOR COMMU- NICATION WIRE OR OUTDOOR TO INDOOR UNIT WIRE.
ALWAYS PRESSURE CHECK TO 350 PSI OR 400 PSI.
ALWAYS SOAP BUBBLE FLARE FITTINGS AFTER PRESSURIZING SYSTEM.
ALWAYS PULL VACUUM TO 500 MICRONS.
WHEN ADDING REFRIGERANT FOR EXTRA PIPE LENGTH ALWAYS USE CORRECT FORMULA (INVER- TER R410A) (PIPE LENGTH- 7.5M) X 0.16 OZ/FT FOR 1⁄4 LIQUID LINE (PIPE LENGTH- 7.5M) X 0.32 OZ/FT FRO 3/8 LIQUID LINE.
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