Samsung MXJ-YA2512K Manual

Samsung Ikke kategoriseret MXJ-YA2512K

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INSTALLATION MANUAL

Please read ‘Safety Precautions’ described in the installation manual of the air conditioner.

• Check the following parts in the package.

• For further information of the piping material and size of the refrigerant pipes, refer to the installation

manual of the air conditioner.

Branch joints

• Condensate may occur on the heat insulation surface according to the atmosphere inside of the ceiling.

• If the inside of the ceiling has high temperature or humidity rate is more than 80%, please add proper

insulation to prevent water drops.

• The stopper area of the pipe or socket should be spread with a welding material. EX)

Requirement

±10°

or less

The

horizon

Reducer Header joint

Pipe

Adhesive insulation tape

Insulating the pipe

Insulating

header joint

Insulating after brazing the cap

Adhesive insulation tape

Insulator

Header joint



Cover the connected part and fasten the header joint using a cable tie.



Insulate the header joint and the brazed part and wrap the connected

part with an adhesive insulation tape to prevent it from dewing.

Installing the Header joint

1. Select the reducer fitted on the diameter of the pipe.

Reducer

Pipe

To indoor unit

Pipe

To outdoor unit

Reducer

Pipe

To indoor unit

Pipe

To outdoor unit

Brazed part

Provided

3. Install the header joint horizontally.

±15°

or less

The horizon

±10°

or less

The horizon

±15°

or less

The

horizon

The horizon

Oil balancing joint & gas side of the outdoor unit



Use an insulation with the heat resisting temperature over 120°C.



Wrap the branch joint with an insulation of a thickness of at least 10mm as shown in the diagram.



Wrap the connected part between the Outdoor joint and the gas side of the outdoor unit to

prevent it from defrosting. Wrap the oil balancing joint and gas side pipe of the outdoor unit

wholly to prevent it from dewing.

øD

90°

100mm or more

Cut the insulation

at the proper angle.

Cut the insulation

at the proper angle.

Wrap here with plastic tape

Use EPDM insulation.

Pipe insulation

(Field supply)

90°

Pipe

Pipe insulation

(Field supply)

Insulation

(Field supply)

2. Block the reducer that is not used by brazing the cap if the number of connected indoor

unit is fewer than header joint holes.

Blocked the hole of

header joint

In order

Blocked the hole of

header joint

In order

Provided

Brazed part

Pipe

Oil balancing joint

(Field supply)

To outdoor unit

To other oil balancing joint or outdoor unit

Pipe

To other oil balancing

joint or outdoor unit



When combining 2 units, connect the oil balancing

pipe directly between the outdoor units.

Oil balancing

pipe

Installing the Oil balancing joint

Note

Connect the header joint to the pipe by cutting the provided reducer properly.

10~15mm

or more

Installing the Outdoor joint



Use the attached reducer according to the selected pipe size.

Pipe

Reducer

Pipe

To other outdoor unit

To other outdoor joint or Y-joint of the main pipe

To other outdoor joint or outdoor unit

Pipe

Reducer

Pipe

To other outdoor unit

To other outdoor

joint or outdoor unit

To other outdoor joint or Y- joint of the main pipe

To other outdoor unit

To other outdoor

joint or outdoor unit



Use the attached reducer according to the selected pipe size.

Note

Connect the Outdoor joint to the pipe by cutting the outlet of the Outdoor joint or provided reducer properly.

10~15mm or more

The horizon

Y-joint

Reducer

Model

Name

MXJ-YA1509K MXJ-YA2512L MXJ-YA2812K MXJ-YA2815K MXJ-YA3119K MXJ-YA3819K MXJ-YA4422K

Liquid side

Gas side

x 2 EA

x 1 EA

x 2 EA

x 1 EA

x 2 EA

x 1 EA

1 2 3 4 5 6 7

Model name Total indoor unit’s capacities

MXJ-YA1509K

15.0 kW and below

MXJ-YA2512L

Over 15.0~40.6 kW and below

MXJ-YA2812K

Over 40.6~46.4 kW and below

MXJ-YA2815K

Over 46.4~69.6 kW and below

MXJ-YA3119K

Over 69.6~98.6 kW and below

MXJ-YA3819K

Over 98.6~139.2 kW and below

MXJ-YA4422K

Over 139.2 kW

Y-joint for (High pressure gas)HR

Reducer

1 2 3

Model

MXJ-YA1500K MXJ-YA2500K MXJ-YA3100K MXJ-YA3800K

x 2 EA

x 1 EA

Model name Total indoor unit’s capacities

MXJ-YA1500K

23.2 kW and below

MXJ-YA2500K

Over 23.2~69.6 kW and below

MXJ-YA3100K

Over 69.6~139.2 kW and below

MXJ-YA3800K

Over 139.2 kW

Header joint

Model

Name

MXJ-HA2512K MXJ-HA3115K MXJ-HA3819K

Liquid side

Gas side

x 4 EA

x 1 EA

x 8 EA

x 1 EA

x 8 EA

x 4 EA

x 1 EA

x 2 EA

x 1 EA

x 8 EA

x 1 EA

x 8 EA

Reducer

1 2 3 4 5 6

7a b c

Model name

Total indoor unit’s

capacities

The maximum

quantity of connection

MXJ-HA2512K 46.4 kW and below 4

MXJ-HA3115K 69.6 kW and below 8

MXJ-HA3819K

Over 69.6kW ~

139.2KW and below

Outdoor joint for (High pressure gas)HR

Model

MXJ-T3100 MXJ-T3800 

x 1 EA

Reducer

1 2 3 4 5 6

Model name Total outdoor unit’s capacities

MXJ-T3100



Below 48 HP

MXJ-T3800



Above 50 HP

Installation of outdoor joints

Do not install the outdoor

joint in this direction.

Liquid pipeGas pipe

Oil balancing

pipe

High pressure gas pipe

Connecting Method

Installing the Y-joint

Insulating the branch joint

Y-joint & liquid side of the outdoor unit



Attach the insulation provided with a branch joint to the insulation supplied in the eld

without a gap. Wrap the connected part with an insulation (Field supply) of a thickness of at

least 10mm.



Use an insulation with the heat resisting temperature over 120°C.

Wrap the branch joint with an insulation of a thickness of at least 10mm.



When insulating in high humidity(higher than 30°C, 80%), wrap the supplied insulation with

more than 10mm of extra insulation such as Polyethylene Foam or other similar material.



Attach the adhesive insulation tape to the pipe

as shown in the picture after insulating the pipe.

Insulation tape

(Field supply)

Pipe insulation

(Field supply)

Pipe

Fix securely without any gap.

Pipe insulation

Provided

Fix securely

without any gap.

Pipe insulation

(Field supply)

Pipe insulation

(Field supply)

150mm

Branch

Y-joint

A thickness of the insulation (Field supply)

should be at least 10mm.

(Field supply)



Connect the header joint in order respecting the number of the indoor unit.



Connet the indoor unit as the highest capacity comes first.

Install the Y-joint ‘horizontally’ or ‘vertically’.

- Use connection part of Y-joint or provided

reducer by cutting them in accordance with

diameter of connecting pipe.

- Make certain 10~15mm or more for reducer

which connected with pipe.

- Remove burr on cut part of reducer.

It is impossible to connect reducer with pipe,

if pipe is deformed or reducer is untrimmed.

10~15mm

or more



Keep a minimum distance of 500mm or more before

connecting a branch joint.

Maintain ±15° on

the horizon



Install the Y-joint within ±15° on

the horizon or on the vertical.

500mm

or more

Main pipe

To outdoor unit

Pipe

Front

Rear

Pipe

Reducer

To other branch

joints or indoor unit

Reducer



Do not insert the pipe deeply into the Y-joint.

( Do not insert more than 70mm.)

Connecting pipe Connecting pipe



Basic specification



When cutting the connection part

Outdoor joint

Model

Name

MXJ-T3819 MXJ-T4422 MXJ-TA3819L MXJ-TA4422L 

Liquid side

x 2 EA

Gas side

x 2 EA

x 1 EA

Model name Total outdoor unit’s capacities

MXJ-T3819



/MXJ-TA3819L Below 48 HP

MXJ-T4422



/MXJ-TA4422L Above 50 HP

Reducer

123 45

6 7

ID ø22.4

ID ø19.2

OD ø15.9

DB98-33821A-07

This marking on the product, accessories or literature indicates that the product and its

electronic accessories (e.g. charger, headset, USB cable) should not be disposed of with

other household waste.

For correct disposal of this product, please visit http://www.samsung.com/weee.pdf

Produkt Specifikationer

Mærke:	Samsung
Kategori:	Ikke kategoriseret
Model:	MXJ-YA2512K

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