Haier AC28NACBEA User manual

MANUAL CODE: SYJS-005 -03 Rev.0 .

Haier Group

Auto-Restart function

Group control(with a group controller)

Auto-changeover

The same outdoor unit can match with cassette \convertible\

duct type indoor unit

With new environment friendly refrigerant R407C

Weekly timing(with a weekly timer)

Features

Service Manual

Commercial Air Conditioning

24 28 Universal Outdoor Unit air conditioning

AC28NACBEA+AU28NAHBEA

AD28NAMBEA+AU28NAHBEA

AB28NACBEA+AU28NAHBEA

Remotoe control and Wired remote control(Optional)

AB242ACBEA+AU242AHBEA

AC242ACBEA+AU242AHBEA

AD242AMBEA+AU242AHBEA

AD242AHBE A+ AU242AHBEA

AP242ACBE A+ AU242AHBEA

AU282AHBEA

CONTENTS

1. Description of Products & Features…………………...…….2

2. Specifications…………………………. ………………...……8

3. Safety precaution…………………………..………………….12

4. Net dimensions of indoor and outdoor unit………………...14

5. Installation instructions ……………………. ………………. 16

6. Parts and functions …………………………..…… ..……….19

7. Remote controller functions………………………….………22

8. Refrigerant diagram…………………………..……………....24

9. Electrical control functions……………………………………25

10. Diagnostic information(trouble shooting)…………….……29

11. Electrical data.........................................…………….……35

12. Exploded views and parts lists...............……………. …...41

13. Performance curves……………............................... ……57

15. Air velocity distribution …………............................... ……48

CONTENTS

Contents……..............................................…...………...…….1

- 1 -

14. Noise level charts....... …………............................... ……48

1 .Description of Products & Features

Products coding direction

United Outdoor unit:

A U 24 2 A H B E A

Climate type: T1 (see table 1)

Design number E

Product type: A stands for heat pump type, refrigerant is R22

B stands for heat pump type, refrigerant is R407

M stands for cool only type, refrigerant is R22

N stands for cool only type, refrigerant is R407

Appearance character

Product series: common icon-shelled outdoor unit type

Applicable voltage: 2 stands for 220-240V/50Hz

4 stands for 220v/60Hz

N stand for 380V/50Hz

Cooling / Heating capacity,24=24000BTU/h

Product type : “B” stands for cassette type

“C” stands for convertible type

“D” stands for duct

“S” stands for split type

“Q” stands for chiller system

“U” stands for outdoor unit

Abbreviation of Air conditioner

Indoor units of Cassette type:

A C 24 2 A C B E A

Climate type: T1 (see table 1)

Design number E

Product type: A stands for heat pump type, refrigerant is R22

B stands for heat pump type, refrigerant is R407

M stands for cool only type, refrigerant is R22

N stands for cool only type, refrigerant is R407

Appearance character

Product series: common icon-shelled outdoor unit type

Applicable voltage: 2 stands for 220-240V/50Hz

4 stands for 220v/60Hz

N stand for 380V/50Hz

Cooling / Heating capacity,24=24000BTU/h

Product type : “B” stands for cassette type

“C” stands for convertible type

“D” stands for duct

“S” stands for split type

“Q” stands for chiller system

“U” stands for outdoor unit

Abbreviation of Air conditioner

-2-

a) Description of the coding rule of the models

A U 28 N A H B E A

Climate type:T1

Design serial number

Air conditioner

Product series:one-to-one

Outdoor unit

Cooling capacity:28=28000BTU/h

Adaptive voltage:380-400V/50Hz

Appearance features

Product type: heat pump R407C

A B 28 N A C B E A

Climate type:T1

Design serial number

Air conditioner

Product series:one-tag-one

Product specification:valid digit above kilobi

Adaptive voltage:380-400V/50Hz

Appearance features

Product type: heat pump R407C

Product type:indoor unit

P:Cabinet typeC:Convertible type

B:Cassette type D:Duct type

b). Standard working condition

Operating Mode

Indoor Operating Mode

Outdoor Operating Mode

Nominal Cooling

Temp.

Humidity

DB:27

WB:19

DB:35

DB:7 WB:6

WB:24

Humidity

DB:20

WB:15

Nominal Heating

No.

1

2

Temp.

Humidity

DB:27

WB:19

DB:35

DB:7 WB:6

WB:24

Humidity

DB:20

WB:15

Nominal Heating

No.

1

2

-3-

c)Brief introduction of the series:

Convertible type:

AC242ACBEA AC28NACBEA

(1).Ceiling convertible,flexible installation,convenient

maintenance,saving the users' expenditures

(2)Adopting single-phase & three-phase power supply,applicable for

household and commercial usage

(3).Dual air outlet design,floor air blowing,accelerating the indoor air

circulation, quick temperature adjustment

(4).Long-distance air blowing,large power,large cooling/heating

ratio

(5).Intelligent remote control,convenient and flexible control

(6).Super-slim indoor unit design,luxury and nice-looking,saving

space,harmonious and unitive with the indoor environment

(7).Adopting screw-fastening for the air inlet grill,firmly

fixed;adopting slipway insert-lock fastening method for the

filter screen,convenient cleaning or replacing the filter screen

without opening the air inlet grill.

(8).Group control,units up to 128 sets can be controlled .

Duct type :

AD242AMBHA AD242AHBEA AD28NAMBEA

Totally concealed machine body

All the machine body is to be installed inside the ceiling, having no effect on the

beauty of the room and without taking any room space.

Air intake via the rear air intake duct

This new design has changed the former unique pattern of air intake, and a larger

distance between air intake and air return cycles as well as better air quality can be

achieved.

Flexible and easier installation

The machine body is to be installed in a totally concealed way,its fan system has

a longer distance coverage so as to supply its airflow to several rooms, and the

indoor unit may be installed inside the ceiling of a room or corridor. The

installation is simple and flexible, and there is no need to have specified personnel

for management, thus cutting down the expenses; the machine is lighter and

smaller, and convenient for installation, it takes an extremely small building space,

thus lower the construction cost; the indoor unit is to be concealed inside the

ceiling, and hence the usable space can be saved and the room decoration will

not be affected.

-4-

AB242ACBEA AB28NACBEA

Products characteristic:

Completely invisible machine body:

The whole machine body is completely concealed inside the ceiling. Due to its compact size it neither

breaks the harmonization of indoor decoration nor occupies the indoor spaces. The stylish look of air

conditioner allows it to blend right into ceiling.

Superbly efficient healthy filter:

Superbly efficient antibiotic materials are utilized and can prevent germs from

breeding efficiently .

Flexible and easy installation

Slim design with machine body, completely ceiling concealing and portable shape, all make it greatly

easier to install. Moreover, it occupies least constructional spaces, which help to reduce constructional

cost prices. It also features a specific drainage system with up to 600mm lift , which allows reducing

installation spaces and ensures to drain smoothly. Thanks to its "smudge-free"

mobile outlet grill,

the ceiling can be protected from pollution effectively and allow the airflow to fit people's

comfortable need much more

.

Compensation function of power failure:

When meeting a power failure during running, no matter how long it will be, once the power is

restored, air conditioner will automatic restart with the previous status.

Safety and reliable control due to various signal controls

1 Inputting with press buttons on the panel

2 Inputting with temperature sensors (indoor ambient temperature sensors, indoor coil pipe

temperature sensors,

3 Piping pressure signals

4 Compressor current signals

5 Testing signals

6 System time-shorten signal

7 Water overflowing signal

8 Communication signals between indoor unit and front plate or between indoor unit and outdoor

unit .

Silent design

The use of radial outward flow turbine fan produces larger cyde airflow volume and acts to

significantly decrease operating noise.

When using remote-controlling mode, it is comfortable and convenient to operate.

Advanced wire-controller and convenient remote-controller

The new wired controller can connect with 16 indoor units without any device such as detectors.

The new remote controller can be used for single unit or muti-free unit, or H-MRV,very convenient.

Cassette type:

In addition, it can be compatible with the old remote controllers.

Low ambient temperature cooling function (optional)

Equipped with high/low pressure protection switch

NEW

The indoor units of AU282AHBEA and AU28NAHBEA are the same.

Climate type

Type of Air Conditioner

T1 T2 T3

Cool only 18 43 0 35 21 52

Heat pump -7 43 -7 35 -7 52

Electricity heating 43 35 52

d). Brief Introduction for T1\

T2\

T3 working condition

Climate type

Type of Air Conditioner

T1 T2 T3

Cool only 18 43

10

35 21 52

Heat pump -7 43 -7 35 -7 52

Electricity heating 43 35 52

-6-

2 Specifications

Model

Item

AU242AHBEA AC242ACBEA AB242ACBEA AD242AMBEAE AD242AHBEA

Cooling capacity①

Btu/h

24000 24000 24000 24000 24000

Heating capacity①

Btu/h

27000 27000 27000 27000 27000

Power

1PH 220-230V 50Hz

Cooling power(W)

2700 2700 2700 2700 2700

Cooling EER(Btu/W)

8.89 8.89 8.89 8.89 8.89

Cooling operation current

(A)

12.5 12.5 12.5 12.5 12.5

Power factor(%)

0.95 0.95 0.95 0.95 0.95

Heating power (W)

2700 2700 2700 2700 2700

Heating COP(Btu/W)

10 10 10 10 10

Cooling operation current

(A)

12.5 12.5 12.5 9.5 9.5

Power factor(%)

0.95 0.95 0.95 0.95 0.95

Operation data

Noise level（high-mid-low）

dB(A)

58 48-44-38 39-37-35 35-32-29 42-41-40

External

(L×W×H)

948x340x830 990×655×199 840×840×240 990×650×300 820×830×360

Dimension

mm×mm×mm

Package

(L×W×H)

1050x440x979

1150×750×300 910×910×300 1137×800×320 940×1051×510

Weight

(net/gross)

Kg/Kg

74/89 30/39 28/30 40/57 48/58

Compressor Model

ZR34K3E-PFJ-522

\ \ \ \

Manufacture

Copeland \ \ \ \

Starting method

PSC \ \ \ \

Starting

current(A)

75 \ \ \ \

Protection

devices

IOL \ \ \ \

Crankcase heater power (W)

\ \ \ \

\

Heat exchanger

0.92m

2

0.084 m

2

0.199m

2

0.199m

2

0.199m

2

Refrigerant control

capillary capillary capillary capillary capillary

Refrigerant Type

R407C \ \

Charge(g)

2400 \ \ \

Defrost method

Auto Auto Auto Auto Auto

Fan Type×Number

Axial fan×1 Axial fan×2 Cross flow fan×2 Cross flow fan×2 Cross flow fan×2

Fan motor Motor output (W)

130 45 40 100 130

Air-flow

（high-mid-low）m

3

/h

4000 900/840/790 1300/1100/870 1470/1300/1100 900/1250/1500

Anti-vibration and sound

insulation devices

XPE XPE XPE XPE XPE

Control method

（ remote/wire-controlled ）

\

Remote

controlled

Remote

controlled

Wired

controlled

Wired

controlled

Safety devices

Fuse Fuse Fuse Fuse Fuse

Liquid pipe:(mm)

Φ9.52 Φ9.52 Φ9.52 Φ9.52 Φ9.52

Dimension

of

refrigerant

pipe

Gas pipe:(mm)

Φ15.88 Φ15.88 Φ15.88 Φ15.88 Φ15.88

Connection method

Bugle joint Bugle joint Bugle joint Bugle joint Bugle joint

Drainage pipe(material ,

I.D./O.D.)Mm

\ PVC 26/32 PVC 25/32 PVC 25/32 PVC 26/32

Appearance colour

white white white white white

Accessories

To see manual To see manual To see manual To see manual To see manual

-7-

Function

cooling heating

Capacity BTU/h

24000 28000

Capacity kW

7.1 7.9

W

2.7 2.7

W

3.2 3.2

EER or COP

W/W

2.6 2.9

Dehumidifying capacity

10‐³×m³/h

Power cable

Power source

N，V，Hz

A / A

13.5/16 14.5/19.5

Start Current A

Fuse A

Unit model (color)

Type × Number

Speed(H-M-L) r/min

Fan motor output power kW

Air-flow(H-M-L) m³/h

Type / Diameter mm

Total Area m²

Temp. scope

℃

External

（L×W×H）

mm×mm×mm

Package

（L×W×H）

mm×mm×mm

Drainage pipe (material , I.D./O.D.) mm

Control type (Remote /wired)

kW

dB(A)

kg / kg

Type / Charge g

Recharge quantity g/m

Liquid mm

Gas mm

Connecting Method

m

Refrigerant

Fan

Heat exchanger

1.8

48/46/44

remote type

MAX.Piping length 30

PIPING

R407C/2400

65

Pipe

9.52

15.88

flared

Between I.D &O.

MAX.Drop 20

TP2M/9.52

Weight (Net / Shipping)

45/57

PVC 26/32

1821×532×300

item Model

AP242ACBEA

3.0

3*3.0

Total power input

Max. power input

Running /Max.Running

current

centrifugal*1

Dimension

0.338

1000/900/800

2-7

1920×625×377

0.04

Norminal condition: indoor temperature (cooling): 27℃DB/19℃WB, indoor temperature (heating): 20℃DB

Outdoor temperature(cooling): 35℃DB/24℃WB, outdoor temperature(heating): 7℃DB/6℃WB

560±30/ 490±40/380±50

1, 220~230, 50

Indoor unit

AP242ACBEA

Noise level (H-M-L)

Electricity Heater

60

21

Function

Coo

lin

g

H

eat

in

g

Capacity

BTU/h

28000 32000

W

3200 3300

W

4500 5500

EER or COP

BTU/W

8.75 9.7

Dehumidifying capacity 10‐³×m³/h

Power cable

Power source N，V，H

z

A / A

Start Current

A

Unit model (color)

Fan Type × Number

Speed(H-M-L)

r/min

Fan motor output power

kW

Air-flow(H-M-L)

m³/h

Heat exchanger Type / Diameter

mm

Total Area m²

Temp. scope ℃

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

Drainage pipe (material , I.D./O.D.)

mm

Control type (Remote /wired)

Fresh air hole dimension

mm

kW

dB(A)

kg / kg

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

kg / kg

Unit model (color)

Compressor Model / Manufacture

Type

Fan Type × Number

Speed

r/min

Fan motor output power kW

Air-flow(H-M-L)

m³/h

Heat exchanger Type / Diameter

mm

Total area

m²

Temp. scope ℃

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

Drainage pipe (material , I.D./O.D.)

mm

Refrigerant control method

mm/mm

Volume of Accumulator L

Noise level

dB(A)

material of reduce noise

crankcase heater power W

kg / kg

Refrigerant Type / Charge

g

Recharge quantity

g/m

Liquid

mm

Gas

mm

Connecting Method

m

item Model

A

U28NAHBEA

Total power input

Max. power input

3

/

3N 380V-400V 50H

Z

Running /Max.Running

current

Cooling 5.5/8.0 Heating 5.8/9.5

30

Dimension

Electricit

y

Heater

Noise level (H-M-L)

Weight (Net / Shipping)

Panel

Dimension

/

Weight (Net / Shipping)

/

Indoor unitOutdoor unit

A

U28NAHBEA

(

WHIT

E£©

ZR40K3E-TFD-522 Co

p

ela

n

Scroll

A

xial-flow×1

1180+3

0

130

4000

TP2M/9.52

0.92

43-60

Dimension

948x340x830

1050x440x979

/

main ca

p

illar

y

2.4x22

0

；auxiliar

y

ca

p

illar

y

Defrosting

A

uto

/

58/--/50

Type of Four way valve

/

MAX.Drop 20

XP

E

/

Weight (Net / Shipping)

74/89

MAX

.

Pi

p

in

g

l

e

n

gt

h

30

PIPING

R407C 2400

60

Pipe

9.52

15.88

flared

Between I.D &O.D

-8-

Function

cooling heating

Capacity BTU/h

28000 34000

Capacity kW

8.2 10

Sensible heat ratio 75%

W

3400 3600

W

4300 4600

EER or COP

W/W

2.41 2.77

Dehumidifying capacity

10‐³×m³/h

Power cable

Power source N, V, Hz

A / A

Start Current A

Unit model (color)

Model / Manufacture

Type

Type × Number

Speed r/min

Fan motor output power kW

Air-flow(H-M-L) m³/h

Type / Diameter mm

Total area m²

Temp. scope

℃

External

（L×W×H）

mm×mm×mm

Package

（L×W×H）

mm×mm×mm

Drainage pipe (material , I.D./O.D.) mm

Refrigerant control method mm/mm

Volume of Accumulator L

Noise level dB(A)

material of reduce noise

crankcase heater power W

kg / kg

Type / Charge g

Recharge quantity g/m

Liquid mm

Gas mm

Connecting Method

m

Norminal condition: indoor temperature (cooling): 27℃DB/19℃WB, indoor temperature (heating): 20℃DB

Outdoor temperature(cooling): 35℃DB/24℃WB, outdoor temperature(heating): 7℃DB/6℃WB

1, 220-240, 50

cooling: 16A/20A heating: 17A/22A

80

Item Model

AU282AHBEA

2.47

3*3.0

Total power input

Max. power input

Running /Max.Running

current

0.06

3200/-/-

Outdoor unit

AU282AHBEA（WHITE）

0.92

43-60

Heat exchanger

TP2M/Φ9.52

15

Dimension

948x340x830

1050x440x979

Defrosting

PIPING

R407C 2600

65

Pipe

9.52

15.88

flared

Between I.D &O.

MAX.Drop

scroll

axial×1

C-SBN261H5A(Sanyo）

MAX.Piping length 30

Weight (Net / Shipping)

74/89

Type of Four way valve

/

XPE

Refrigerant

Compressor

Fan

without

56

auto

3.5

/

capillary Φ4.0XΦ2.5X600

920r/min

Function

Coo

lin

g

H

eat

in

g

Capacity

BTU/h

28000 32000

W

3200 3300

W

4500 5500

EER or COP

BTU/W

8.75 9.7

Dehumidifying capacity 10‐³×m³/h

Power cable

Power source N，V，H

z

A / A

Start Current

A

Unit model (color)

Fan Type × Number

Speed(H-M-L)

r/min

Fan motor output power

kW

Air-flow(H-M-L)

m³/h

Heat exchan

g

er Type / Diameter

mm

Total Area m²

Temp. scope ℃

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

Drainage pipe (material , I.D./O.D.)

mm

Control type (Remote /wired)

Fresh air hole dimension

mm

kW

dB(A)

kg / kg

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

kg / kg

Unit model (color)

Compressor Model / Manufacture

Type

Fan Type × Number

Speed

r/min

Fan motor output power kW

Air-flow(H-M-L)

m³/h

Heat exchanger Type / Diameter

mm

Total area

m²

Temp. scope ℃

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

Drainage pipe (material , I.D./O.D.)

mm

Refrigerant control method

mm/mm

Volume of Accumulator L

Noise level

dB(A)

material of reduce noise

crankcase heater power W

kg / kg

Refrigerant Type / Charge

g

Recharge quantity

g/m

Liquid

mm

Gas

mm

Connecting Method

m

m 30

item Model

A

D28NAMBEA

Total power input

Max. power input

3

/

3N 380V-400V 50H

Z

Running /Max.Running

Coolin

g

：5.5/8.0 Heatin

g

：5.8/9.5

30

Indoor unit

AD28NAMBEA(WHITE)

Centrifu

g

alX 2

980 +30/890 +30/810 +50

0.13

1470/1300/1100

TP2M/9.5

2

0.19

9

2-7

Dimension

990×650×30

0

1137×800×32

0

PVC 26/3

2

Wired+Remote

/

Electricit

y

Heater /

Noise level (H-M-L)

35/32/2

9

Weight (Net / Shipping)

40/5

7

Panel

Dimension

/

Weight (Net / Shipping)

/

Outdoor unit

/

Dimension

/

Defrosting

/

Type of Four way valve

/

MAX.Drop 20

/

Weight (Net / Shipping)

/

MAX

.

Pi

p

in

g

l

e

n

gt

h

-9-

PIPING

R407C 2550

60

Pipe

9.52

15.88

flared

Between I.D &O.

D

Function

Coo

lin

g

H

eat

in

g

Capacity

BTU/h

28000 32000

W

3200 3300

W

4500 5500

EER or COP

BTU/W

8.75 9.7

Dehumidifying capacity 10‐³×m³/h

Power cable

Power source N，V，H

z

A / A

Start Current

A

Unit model (color)

Fan Type × Number

Speed(H-M-L)

r/min

Fan motor output power

kW

Air-flow(H-M-L)

m³/h

Heat exchan

g

er Type / Diameter

mm

Total Area m²

Temp. scope ℃

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

Drainage pipe (material , I.D./O.D.)

mm

Control type (Remote /wired)

Fresh air hole dimension

mm

kW

dB(A)

kg / kg

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

kg / kg

Unit model (color)

Compressor Model / Manufacture

Type

Fan Type × Number

Speed

r/min

Fan motor output power kW

Air-flow(H-M-L)

m³/h

Heat exchanger Type / Diameter

mm

Total area

m²

Temp. scope ℃

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

Drainage pipe (material , I.D./O.D.)

mm

Refrigerant control method

mm/mm

Volume of Accumulator L

Noise level

dB(A)

material of reduce noise

crankcase heater power W

kg / kg

Refrigerant Type / Charge

g

Recharge quantity

g/m

Liquid

mm

Gas

mm

Connecting Method

m

mMAX

.

Pi

p

in

g

l

e

n

gt

h 30

PIPING

R407C 2550

60

Pipe

9.52

15.88

flared

Between I.D &O.

D

MAX.Drop 20

/

Weight (Net / Shipping)

/

Type of Four way valve

/

Defrosting

/

Dimension

/

Outdoor unit

/

Panel

Dimension

/

Weight (Net / Shipping)

/

Noise level (H-M-L)

42/40/3

8

Weight (Net / Shipping)

40/5

7

Remote

/

Electricit

y

Heater /

Dimension

1320×715×23

5

1380×770×30

0

PVC 18/2

0

30

Indoor unit

AC28NACBEA(WHITE)

Centrifu

g

alX2

1300 +30/1250 +40/1150 +50

0.04

1300/1250/1150

TP2M/9.5

2

0.19

9

2-7

3

/

3N 380V-400V 50H

Z

Running /Max.Running

Coolin

g

：5.5/8.0 Heatin

g

：5.8/9.5

item Model

A

C28NACBEA

Total power input

Max. power input

-10--

Function

Coo

lin

g

H

eat

in

g

Capacity

BTU/h

28000 32000

W

3200 3300

W

4500 5500

EER or COP

BTU/W

8.75 9.7

Dehumidifying capacity 10‐³×m³/h

Power cable

Power source N，V，H

z

A / A

Start Current

A

Unit model (color)

Fan Type × Number

Speed(H-M-L)

r/min

Fan motor output power

kW

Air-flow(H-M-L)

m³/h

Heat exchan

g

er Type / Diameter

mm

Total Area m²

Temp. scope ℃

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

Drainage pipe (material , I.D./O.D.)

mm

Control type (Remote /wired)

Fresh air hole dimension

mm

kW

dB(A)

kg / kg

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

kg / kg

Unit model (color)

Compressor Model / Manufacture

Type

Fan Type × Number

Speed

r/min

Fan motor output power kW

Air-flow(H-M-L)

m³/h

Heat exchanger Type / Diameter

mm

Total area

m²

Temp. scope ℃

External （L×W×H）

mm×mm×mm

Package （L×W×H）

mm×mm×mm

Drainage pipe (material , I.D./O.D.)

mm

Refrigerant control method

mm/mm

Volume of Accumulator L

Noise level

dB(A)

material of reduce noise

crankcase heater power W

kg / kg

Refrigerant Type / Charge

g

Recharge quantity

g/m

Liquid

mm

Gas

mm

Connecting Method

m

item Model

A

B28NACBEA

Total power input

Max. power input

3

/

3N 380V-400V 50H

Z

Running /Max.Running

Coolin

g

：5.5/8.0 Heatin

g

：5.8/9.5

30

TP2M/

7

0.19

9

2-7

Dimension

Centrifu

g

al×1

700+30/590+40/470+50

0.04

1300/1100/870

840×840×24

0

910×910×30

0

PVC 26/3

2

Remote

/

Electricit

y

Heater /

Noise level (H-M-L)

39/37/3

5

Weight (Net / Shipping)

28/3

0

Panel

Dimension

950x950x80

980x980x100

Weight (Net / Shipping)

6/9

Indoor unit

AB28NACBEA(WHITE)

Outdoor unit

/

Dimension

/

Defrosting

/

Type of Four way valve

/

MAX.Drop 20

/

Weight (Net / Shipping)

/

MAX

.

Pi

p

in

g

l

e

n

gt

h

30

PIPING

R407C 2550

60

Pipe

9.52

15.88

flared

Between I.D &O.

D

11-

WARNING

CAUTION

WARNING

CAUTION

This system should be applied to places of office, restaurant, residence and the like. Appliaction to inferior

environment such as engineering shop could cause equipment malfunction.

Please entrust installation to either the company which sold you the equipment or to a professional contractor.

Defects from improper installations can be the cause of water leakage, electric shocks and fires.

Execute the installation accurately, based on following the installation manual. Again, improper installations can

result in water leakage, electric shocks and fires.

When a large air-conditioning system is installed to a small room, it is necessary to have a prior planned

countermeasure for the rare case of a refrigerant leakage, to prevent the exceeding of threshold concentration.

In regards to preparing this countermeasure, consult with the company from which you purchased the equipment,

and make the installation accordingly. In the rare event that a refrigerant leakage and exceeding of threshold

concentration does occur,there is the danger of a resultant oxygen deficiency accident.

For installation, confirm that the installation site can sufficiently support heavy weight. When strength is insufficient,

injury can result from a falling of the unit.

Execute the prescribed installation construction to prepare for earthquakes and the strong winds of typhoons and

hurricanes, etc. Improper installations can result in accidents due to a violent falling over of the unit.

For electrical work, please see that a licensed electrician executes the work while following the safety standards

related to electrical equipment, and local regulations as well as the installation instructions, and that only exclusive

use circuits are used.

Insufficient power source circuit capacity and defective installment execution can be the cause of electric shocks and

fires.

Accurately connect wiring using the proper cable, and insure that the external force of the cable is not conducted to

the terminal connection part, through properly securing it. Improper connection or securing can result in heat

generation or fire.

Take care that wiring does not rise upward, and accurately install the lid/service panel. Its improper installation can

also result in heat generation or fire.

WARNING

In either case, important safety related information is indicated, so by all means, properly observe all that is mentioned.

After completing the installation, along with confirming that no abnormalities were seen from the operation tests, please

explain operating methods as well as maintenance methods to the user (customer) of this equipment, based on the owner's

manual.

Moreover, ask the customer to keep this sheet together with the owner's manual.

Please read these "Safety Precautions" first then accurately execute the installation work.

Though the precautionary points indicated herein are divided under two headings, and

those points which are related to the strong possibility of an installation done in error

resulting in death or serious injury are listed in the section. However, there is also a

possibility of serious consequences in relationship to the points listed in the section as well.

- 12 -

SAFETY PRECAUTIONS

3 SAFETY PRECAUTIONS

When setting up or moving the location of the air conditioner, do not mix air etc. or anything other than the designated

refrigerant (please see nameplate) within the refrigeration cycle.

Rupture and injury caused by abnormal high pressure can result from such mixing.

Always use accessory parts and authorized parts for installation construction. Using parts not authorized by this

company can result in water leakage, electric shock, fire and refigerant leakage.

The position of indoor unit must be above the floor 2.5m.

WARNING

Execute proper grounding. Do not connect the ground wire to a gas pipe, water pipe, lightening rod or a telephone

ground wire.

Improper placement of ground wires can result in electric shock.

The installation of an earth leakage breaker is necessary depending on the established location of the unit. Not

installing an earth leakage breaker may result in electric shock.

Do not install the unit where there is a concern about leakage of combustible gas.

The rare event of leaked gas collecting around the unit could result in an outbreak of fire.

For the drain pipe, follow the installation manual to insure that it allows proper drainage and thermally insulate it to

prevent condensation. Inadequate plumbing can result in water leakage and water damage to interior items.

CAUTION

- 13 -

SAFETY PRECAUTIONS

4.Net dimensions of indoor and outdoor unit

Indoor unit Models

1) AB242ACBEA AB28NACBEA

2) AD242AMBEA AD28NAMBEA

-14-

35

260

27535

A-A

drainage pipe

B-B

fresh air outlet

655

liquid pipe

gas pipe

3) AD242AHBEA

4)

AC242ACBEA

240

-15-

185 185

55

70

Screw Hole

(M10)

580

Power Wiring Terminal

Power Wiring

Distribution Hole

70

1024

1818

340

380

840

25

6)AU242AHBEA AU28NAHBEA AU282AHBEA

1

0

1

8

0

6

0

8

5

100

30

5

6

3

0

6

9

0

105 195 300

600

3

1

0

.

6

3

8

5

2

5

3

0

10

5

4

5

9

0

85 150

60

1200

1

5

0

2

3

5

1320

1

9

5

100

8

5

4

5

6

5

R

1

5

5)AC28NACBEA

5.Installation Instructions

1. Installation Tools

1) Driver 2) Hacksaw 3) Hole core drill 4)Hexagon wrench(5mm) 5) Spanner(14,17,19 and

24mm) 6) Torque wrench(17,22,24mm) 7) Pipe cutter 8) Flaring tool

For example: use two spanner to joint the pipe

2. Standard Accessories

The standard accessories includes : 1) Measuring type 2) Reamer 3) Refrigerant oil 4) Gas

leakage detector or soap-and-water solution 5) Knife 6) Nipper

3. Installation Dimensions of Indoor & Outdoor units

Please to see the Mechanical Data

4. Installation procedures & Points of attention

4.1 The Order of Installation Work

Work Main points

Before installation Work division To ascertain the responsible for installation of pipes and wiring

Make installation diagram To ascertain the pipe installation dimension and position of electronic

expansion valve, to make control wiring diagram

Work Installation of indoor and

outdoor unit

To prevent the ventilation from short circuit and guarantee repair space

Refrigerant pipe work Pay attention to dry, clean and seal

Drain pipe work Slant downward

Heat insulation work No gaps in the joint of heat insulation material

Wiring work (control wire,

power cord)

Choose the proper wire and cord

Set every set switch Should be complied with control wiring system diagram

Airtight test Close all the gas, liquid valve

Vacuum drying Should the vacuum pump that can reach 200Pa vacuity

Additional refrigerant Wire down the additional refrigerant amount on the outdoor unit body and

record table

Test run adjustment Do test run to indoor unit by one to verify if there is wrong pipes

Training of use and

maintenance

Explain to user, simultaneously provide all the documents

4.2 Attentive matters of safety

· Before installing, do read this [Attention matter of safety] carefully to guarantee the proper installation.

· The below attentive matters are divided into [warning] and [note] two parts. When the wrong installation

occurs, it is very possible lead to death and severe injury, and other serious accidents will happen. For

those items are listed in [warning] part. But even the items very important contents related to safety, so

they must be obeyed.

· After installation, do test operation to verify everything is normal, after that please explains the use

method and maintenance method to the user according to the operation manual. Additionally, give the

installation manual together with operation manual to the user and ask them to keep them properly.

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