Haier AB122MCERA Operation Manual - Page 34

Electrical

Wiring

The

combination

of

multiple

indoor

units

can

be

controlled

by

wired

controller

or

remote

controller.

X

Switching

Mode

of

Line

-Controlled

Main

Unit/

Line

-Controlled

Sub

Units/

Remote

-Controlled

Types

can

be

used

for

switching

over

X

Control

Mode

Socket/Code

Line

-Controlled

Main

Unit

Line

-Controlled

Sub

Unit

Type

Switching

Mode

of

Remote

Control

CN23

strapping

no

strapping

no

strapping

CN30

strapping

strapping

no

strapping

CN21

null

null

connected

to

receiving

plank

of

remote

control

SW08-[6]

ON

ON

OFF

Signal

Terminals

A,B,C are

connected

to

wired

controller

B,C

are

connected

to

wired

controller

A,B,C

are

not

connected

to

wired

controller

Note:AB*MCERA.

AB*MEERA models

are

set

to

remote-

controlled

type

before

delivery

The

wiring

for

the

power

line

of

indoor

unit,

the

wiring

between

indoor

and

outdoor

units

as

well

as

the

wiring

between

indoor

units:

Items

Total

Current

of

Indoor

Units(A)

Cross

Section

(

mm

2)

Length

(m)

Rated

Current

of

Overflow

Breaker(A)

Rated

Current

of

Power

Leakage

Breaker

(A)

Leaking

Current(mA)

Operating

Period

(S)

Cross

Sectional

Area

of

Signal

Line

Outdoor

-indoor

(

mm

2)

Indoor

-indoor

(

mm

2)

(10

2

20

20

20

A,30

mA,0.1S

or

below

2

cores

X0.75-2.0

mm

2

shielded

line

..

-

-10

and

<15

3.5

25

30

30A,30

mA,0.1S

or

below

..-

.

15

and

<22

5.5

30

40

40

A,30

mA,0.1S

or

below

_. -

-22

and

<27

10

40

50

50

A,30

mA,0.1S

or

below

X

The

electrical

power

line

and

signal

lines

must

be

fastened

tightly.

X

Every

indoor

unit

must

have

the

ground

connection.

X

The

power

line

should

be

enlarged

if

it

exceeds

the

permissible

length.

X

Shielded

lays

of

all

the

indoor

and

outdoor

units

should

be

connected

together,

with

the

shielded

lay

at

the

side

of

signal

lines

of

outdoor

units

grounded

at

one

point.

X

It

is

not

permissible

if

the

whole

length

of

signal

line

exceeds

1000m.

Signal

Wiring

of

Wired

controller

Length

of

Signal

Line

(m)

Wiring

Dimensions

Length

of

Signal

Line

(m)

Wiring

Dimensions

(100

0.3mm

2

x

3

core

shielding

line

X300

and

<400

1.25mm

2

x

3

core

shielding

line

≥-

.

100

and

<200

0.5mm

2

x

3

core

shielding

line

.≥

-'400

and

<600

2mm

2

x

3

core

shielding

line

≥.

.

-200

and

<300

0.75mm

2

x

3

core

shielding

line

The

shielding

lay

of

the

signal

line

must

be

grounded

at

one

end.

The

total

length

of

the

signal

line

shall

not

be

more

than

600m.

(Code

Setting)

X

The

code

is

dialed

to

"ON"

position

with

the

overline

at

the

state

of

strapping

if

the

code

or

overline

status

is

"1";

The

code

is

dialed

to

"OFF"

position

with

the

overline

at

the

state

of

disconnection

if

the

code

or

overline

status

is

"0".

X

In

the

table

below,

the

choice

in

the

box

"

"

refers

to

the

setting

of

the

socket/overline

before

delivery.

32

Haier AB122MCERA Operation Manual - Page 34

Socket/Code

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