Amcor AOM 183HX - Manual (Page 18)

REFRIGERANT TUBING
CONNECT THE INDOORTOTHE OUTDOOR UNIT
The indoor unit contains a small quantity of nitrogen.Do not unscrew the nuts from the unit until
you are ready to
connect the tubing.The outdoor unit is supplied with suffcient refrigerant charge(R410A).Refer
to outdoor unit nameplate.
To prevent crushing,bend tubes using a bending tool.
NOTE:U se refrigeration R41OA type copper tubing only.
1 .Open the valve cover.
2 . Use tubing diameter that corresponds to the tubing diameter of the indoor and outdoor units.
Note that the liquid and suction tubes have different diameters.(See tube size,torque tightening
table.)
3. Place flares nuts on tube ends before preparing them with a flaring tool.Use the flare nuts that
are mounted on the supplied outdoor and indoor units.
4. Connecttheallendsofthetubingtotheindoorandoutdoorunits.Noticethesign.AII ends
should correspond one by one.
5.Insulate each tube separately,and their unions,with at least 6 mm thick of insulation .Wrap the
refrigerant tubing,drain hose and electric cables together with a vinyl tape (UV protected).
Caution!
When unscrewing the
valve caps, do not stand
in front ofthemorthe
spindles at any time,as
the system is under
pressure.____________
Fig 15
1.INDOOR UNIT
2 .Liquid tube(small dia.)
3.Suction tubedarge dia.)
4. Plugs
5. Flare nuts
6 . Tubing between units
7.Suction tube
8 .Liquid tube
9.OUTDOOR UNIT
10 .Flare nuts
11 .Suction valve(larger)
12 .Liquid valve(smal)
NOTE
:1
. ForunituseconnectionsA,B
and D
2. For large indoor unit of 5.0KW
Use the lower connection(unit D)
and use the 3/8"-1/2"transition(
supplied)
3. The electric control channel must
match the tube channel.