Electrolux EXS18HS2WE Manual do Utilizador descarregar pdf (Página 12)

Bar

Copper pipe

Clamp handle

Red arrow mark

Cone

Yoke

Handle

Bar

"A"

C: Putting flare nut on

Remove flare nuts attached to indoor and

outdoor unit, then put them on pipe/tube

having completed burr removal (Note: It is not

possible to put them on after flaring work).

Flare nut

Copper tube

Fig.17

Fig.18

D: Flaring work

Firmly hold copper pipe in a die according

to the dimension shown in the table below.

Carry out flaring work using flaring tool as

shown below.

Caution

Align the center of the pipes.

Sufficiently tighten the flare

nut with fingers, and then tighten

it with a spanner and torque wrench

as shown.

Tightening Connection

Excessive torque can break nut

depending on installation conditions.

Fig.19

Indoor unit tubing Flare nut Pipings

Outer diam.

(mm)

A(mm)

Max.

Min.

6.35 (1/4”) 1.3

0.7

9.53 (3/8”)

1.6 1.0

1.8

1.0

12.7 (1/2”)

1.8

1.0

Outer

diam.

Tightening

torque (kg.m)

Additional tightening

torque (kg.m)

16.0 (5/8”)

2.4

2.2

7.5

8.0

5.0

5.5

3.0

3.5

1.6

2.0

11

REFRIGERANT PIPE CONNECTION

6.35 (1/4”)

9.53 (3/8”)

12.7 (1/2”)

16.0 (5/8”)

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 23 24

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