Samsung Electronics
3-13
Operating Instructions and Installation
3-2-2(j) “Pump down” Procedure
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
connect the charge set to the service port of
the 3-way valve.
(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
c h a rge set slightly to air purge from the
c h a rge hose.
5 . Set the liquid side 2-way valve to the closed
p o s i 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.
Relocation of the air conditioner
• Refer to this pro c e d u re when the unit is
re l o c a t e d .
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 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
Summary of Contents for AM18A1(B1)E09
Page 2: ...Samsung Electronics Co Ltd DEC 1998 Printed in Korea Code No DB81 10176A 2...
Page 4: ...1 2 Samsung Electronics MEMO...
Page 8: ...2 4 Samsung Electronics MEMO...
Page 24: ...3 16 Samsung Electronics MEMO...
Page 38: ...Samsung Electronics 6 1 6 Exploded Views and Parts List 6 1 Indoor Unit...
Page 40: ...Samsung Electronics 6 3 6 2 Outdoor Unit 11 10 2 10 3 10 5 10 4 10 1 10...
Page 44: ...6 7 Samsung Electronics MEMO...
Page 46: ...Samsung Electronics 8 1 8 PCB Diagrams 8 1 Main PCB...