Samsung AD18A1(B1)E09, Service Manual

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Samsung Electronics
3-13
Operating Instructions and Installation
3-2-2(j) Pump down
Relocation of the air conditioner
1. Carry out the pump down pro c e d u re
( refer to the details of ‘pump down’).
2. Remove the power cord .
3. Disconnect the assembly cable from the
indoor and outdoor units.
4. Remove the flare nut connecting the indoor
unit and the pipe.
At this time, cover the pipe of the indoor
unit and the other pipe using a cap or vinyl
plug to avoid foreign material entering.
5. Disconnect the pipe connected to the outdoor
u n i t .
At this time, cover the valve of the outdoor
unit and the other pipe using a cap or vinyl
plug to avoid foreign material entering.
6. Make sure you do not bend the connection
pipes in the middle and store together with
the cables.
7. Move the indoor and outdoor units to a new
l o c a t i o n .
8. Remove the mounting plate for the indoor
unit and move it to a new location.
2-Way Valve
Cap
3-Way Valve
• Refer to this pro c e d u re when the unit is re l o c a t e d .
1 . Confirm that both the 2-way and 3-way valves are
set to the open position.
(1) Remove the valve stem caps.
(2) Be sure to use a hexagonal wrench to operate
the Gas side valve stems.
2 . Operate the unit for 10 to 15 minutes.
3 . Stop operation and wait for 3 minutes, then con-
nect the charge set to the service port of the 3-way
v a l v e .
(1) Connect the charge hose with the push pin to
the service port.
4 . Air purging of the charge hose.
(1) Open the low-pre s s u re valve on the charge set
slightly to air purge from the charge hose.
5 . Set the liquid side 2-way valve to the closed posi-
t i o n .
6 . Operate the air conditioner at the cooling cycle
and stop operation immediately after setting the
3-way valve to the closed position when the
gauge indicates 0 kg/cm
2
G .
If the unit can not be operated at the Cooling
Mode(weather is rather cool), operate the unit at
the Trubo Mode. So that the unit can be operated.
7 . Disconnect the charge set, and mount the both 3-
way valve’s stem nuts and the service port cap.