Samsung AM220JXVAJH/AZ User Manual download pdf (Page 44)

ENGLISH

2. Connecting refrigerant pipe for outdoor unit

Classication Front side connection Right/left (and bottom) side connection

Working process

• First, remove the piping cover from the outdoor

unit.

• Separate the knock-out hole that you are going

to use. If you separate the knock-out hole that

is going to be unused, small animals such as

squirrels and rats may get into the unit through

the hole.

• Fix the bottom side of the piping cover rst and

then x the top part of it.

• Separate the knock-out hole at the bottom side

of the unit and install the pipe.

• After installing and insulating the pipe, close up

the remaining holes. If not, small animals such

as rats and squirrels may get inside the unit.

H/P

Liquid side

pipe

Gas side

pipe

Gas side

pipe

Liquid side

pipe

Caution for welding the pipe to an outdoor unit

• When welding the pipe, the unit may get damaged by the heat and ame from welding. Use a ame proong

cloth to protect the unit from a welding re or ame. Sensor for detecting outside temperature is located on the

left side of the welding part so be extra careful not to damage the sensor when welding.

• The O-ring and Teon packing inside service valve may get damaged by the heat from welding. Wrap the

bottom side of the service valve with a wet cloth and weld it as shown in the illustration. Also, water dripping

from the wet cloth may interrupt the welding. Make sure the water does not drip from the wet cloth.

• Make sure that connected pipes does not interrupt each other or make contact with the product. (Vibration may

cause damage to the pipes.)

• When removing the sealed pipe on the bottom side of the service valve, cut it with a pipe cutter rst and then

start the welding. When the sealed pipe is welded without cutting, you may get injured by the refrigerant within

the pipe.

< H/P >

Temperature

sensor

Wet towel

Service port

Service valve

CAUTION

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Samsung AM220JXVAJH/AZ User Manual Page 44

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