Haier HP200S1, Installation And Service Manual

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5.3 Tools for the connection of refrigerant lines
a) Group manometer suitable for use with R134a, with charge and vacuum tubes;
b) Vacuum pump;
c) Torque wrenches for nominal diameter of 1/4 “and 3/8” sizes on both sides to
respond to the measures of the pipe unions;
d) Flaring clamp ø nominal 1/4 “and 3/8”, equipped with a terminal receiving
opening so that the projection of the copper tube can be adjusted from 0 to 0.5 mm
in the working folder ;
e) Pipe cutter;
f) Pipe reamer;
g) Leak Detector for R134a, a leak detector is used exclusively for HFC refrigerants.
It must have a high detection sensitivity.
5.4 Preparing of the refrigerating pipes