Air Exhausting - Vivax ACP-09CH25ZNM Service Manual

INSTALLATION
2
Installation of the drain joint(only for heat pump type)
Insert the outdoor double-channel drain joint in one of the
bottom holes of the suitable size then connect drain hose
and joint together.
3
Joint of the connecting pipe
Put some seal oil to cover the joint and the flare.
Align the centre of joint in line with that of flare and tighten the nut of connecting pipe
with wrench. ( Adjust the torque by the same method of connecting pipe for indoor unit.)
4

Air exhausting

Screw down the cap of both gas shut-off valve and
liquid shut-off valve as well as the nut of service port.
Use Allen wrench to turn the valve cork of liquid side
at 90 counter-clockwise, and close it after 10 seconds.
Use soapy water to check the gas leakage especially
at all joint. If there is no gas leakage, please turn the
valve cork of liquid side at 90 counter-clockwise again.
Press the cork of service port at gas shut-off valve, 10
seconds later, when you see foggy gas discharged, that
means inner air is exhausted out.
Use Allen wrench to turn the valve cork of both liquid
shut-off valve and gas shut-off valve counter-clockwise
until they are completely open and then replace the
valve caps and tighten them.
5
Process of flared tube
Use the pipe cutter to cut off the broken part of flare.
Remove burrs at the cut of the flare.
Insert a nut into the connecting pipe and do flaring
with specified flaring tools, reamers for example.
Remove burrs at the cut of the flare.
Outer diameter
6.35mm ( 1/4 )
9.52mm ( 3/8 )
12.7mm ( 1/2 )
15.88mm(5/8 )
Check the quality of flaring technique.
A(mm)
2.0--2.5
3.0--3.5
3.5--4.0
4.0--4.5
9
Bottom
Double-channel
drain joint
liquid connecting pipe
liquid shut-off valve
gas shut-off
valve
service port
service port cap
Copper pipe
Oblique
90
Burr
Drain hose
allen wrench
gas connecting
pipe
valve nuts
Roughness Burr
Reamer