DC Inverter
X-Series
for R410A Unitary Split Air Conditioner
13
3.2.2.4 Connection Pipe Of The Units
①
. Connect the pipe to the unit. Please follow the instructions stated in the figures
below. Use both spanner and torque wrench.
②
. When connecting the tapered screw nut, first apply chilled machine oil on its
inner and outer surface and then screw it up for 3~4 circles.
③
. Confirm the tightening torque by referring to the following table (If the screw
nut is over-twisted, it may be damaged and cause leakage).
④
. Check whether gas leakage occurs to the connection pipe and then apply
thermal insulation, as shown below.
⑤
. Wind sponge around the joint of gas pipe and heat insulation sheath of gas
collecting pipe.
⑥
. Be sure to connect gas pipe after liquid pipe is connected.
3.2.2.4.1 Solder Connection
Screw on the flare nut of the flaring connecting pipe on the outdoor unit valve.
