2
1-2 "Pump down" Procedure
Relocation of the air conditioner
• Refer to this procedure when the unit is
relocated.
1. Carry out the pump down procedure (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 enter-
ing.
Relocation of the air conditioner
5. Disconnect the pipe connected to the out-
door unit.
At this time, cover the valve of the outdoor
unit and the other pipe using a cap or
vinyl plug to avoid foreign material enter-
ing.
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 locatioon.
8. Remove the mounting plate for the indoor
unit and move it to a new location.
Pump down shall be carried out when an evaporator is replaced or when the unit is relocated in
another area.
1. Remove the caps from the 2-way valve and the 3-way valve.
3. Set the unit to cool operation mode.
(Check if the compressor is operating.)
5. When the pressure gauge indicates "0" turn the 3-way valve
clockwise to close.
4. Turn the 2-way valve clockwise to close.
6. Stop operation of the air conditioner.
7. Close the cap of each valve.
2. Turn the 3-way valve clockwise to close and connect
a pressure gauge(low pressure side) to the service valve,
and open the 3-way valve again.
2-Way Valve
3-Way Valve
DB98-05109A(1)-1 3/11/02 12:45 PM Page 2
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