Samsung MC26AC2X Service Manual download pdf (Page 20)

Operating Instructions and Installation

3-13Samsung Electronics

3-2-2(j) "Pump down" Procedure

• Pump down shall be carried out when an evaporator is replaced or when the unit is relocated

in another area.

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 entering.

Relocation of the air conditioner

5. Disconnect the pipe connected to the

outdoor 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 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 locatioon.

8. Remove the mounting plate for the indoor

unit and move it to a new location.

2-Way Valve

3-Way Valve

Stem cap

Valve Stem

(liquid)

(gas)

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.

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Samsung MC26AC2X Service Manual Page 20

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