DuctlessAire ES Series, DA1221-H2-O, DA1821-H2-I, DA1221-H2-I, DA1821-H2-O Service Manual

...

DuctlessAire ES Series

Service Manual 2016

ABSSA-B4-1601

CONTENTS

Precaution ......................................................................................................................... 1

1.1 Safety Precaution ................................................................................................... 1

1.2 Warning .............................................................................................................................. 1

Model list .......................................................................................................................... 4

3. Dimension

........................................................................................................................ 5

3.1 Indoor Unit .......................................................................................................................... 5

3.2 Outdoor Unit........................................................................................................................ 7

4. Refrigerant Cycle Diagram

.............................................................................................. 11

5 Installation

Details ........................................................................................................... 12

5.1 Wrench torque sheet for installation ................................................................................ 12

5.2 Connecting the cables ....................................................................................................... 12

5.3 Pipe length and the elevation ............................................................................................ 13

5.4 Installation for the first time.............................................................................................. 14

5.5 Adding the refrigerant after running the system for many years ...................................... 15

5.6 Re-installation while the indoor unit needs to be repaired ...................................................... 15

5.7 Re-installation while the outdoor unit needs to be repaired ............................................ 16

6. Operation

Characteristics ............................................................................................... 18

7. Electronic

function .......................................................................................................... 19

7.1 Abbreviation ...................................................................................................................... 19

7.2 Display function ............................................................................................ 19

7.3 Main Protection ................................................................................................................. 20

7.4 Operation Modes and Functions ....................................................................................... 21

Troubleshooting .............................................................................................................. 27

8.1 Indoor Unit Error Display ................................................................................................... 28

8.2 Troubleshooting ................................................................................................................. 29

1. Precaution

1.1 Safety Precaution

 To prevent injury to the user or other

people and property damage, the following instructions must be followed.

 Incorrect operation due to ignoring

instruction will cause harm or damage.

 Before servicing the unit, be sure to

read this service manual.

1.2 Warning

 Installation

 Do not use a defective or underrated

circuit breaker. Use this appliance on a dedicated circuit.

There is risk of fire or electric shock.

 For electrical work, contact the dealer,

seller, a qualified electrician, or an authorized service center.

Do not disassemble or repair the product. There is risk of fire or electric shock.

 Always ground the product.

There is risk of fire or electric shock.

 Install the panel and the cover of

control box securely.

There is risk of fire or electric shock.

 Install the panel and the cover of

control box securely.

There is risk of fire or electric shock.

 Always install a dedicated circuit and

breaker.

Improper wiring or installation may cause fire or electric shock.

 Use the correctly rated breaker of fuse.

There is risk of fire or electric shock.

 Do not modify or extend the power

cable.

There is risk of fire or electric shock.

 Do not install, remove, or reinstall the

unit by yourself (customer).

There is risk of fire, electric shock, explosion, or injury.

 Use caution when unpacking and

installing the product.

Sharp edges could cause injury, be especially careful of the case edges and the fins on the condenser and evaporator.

 For installation, always contact the

dealer or an authorized service center.

 Do not install the product on a

defective installation stand.

 Be sure the installation area does not

deteriorate with age.

If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.

 Do not let the air conditioner run for a

long time when the humidity is very high and a door or a window is left open.

 Take care to ensure the power cable

could not be pulled out or damaged during operation.

There is risk of fire or electric shock.

 Do not place anything on the power

cable.

There is risk of fire or electric shock.

 Do not plug or unplug the power

supply plug during operation.

There is risk of fire or electric shock.

 Do not touch or operate the product

with wet hands, or while standing in water.

 Do not place a heater or other

appliance near the power cable.

There is risk of fire or electric shock.

 Do not allow water to run into

electrical parts.

It may cause fire, failure of the product, or electric shock.

 Do not store or use flammable or

combustible gas near the product.

There is risk of fire or failure of product.

 Do not use the product in a tightly

closed space for a long time.

Oxygen deficiency could occur.

 When flammable gas leaks, turn off the

gas and open a window for ventilation before turning the product on.

 If strange sounds or smoke comes from

product, turn the breaker off or disconnect the power supply cable.

There is risk of electric shock or fire.

 Stop operation and close the window

in storm or hurricane. If possible, remove the product from the window before the hurricane arrives.

There is risk of property damage, failure of product, or electric shock.

 Do not open the inlet grill of the

product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.)

There is risk of physical injury, electric shock, or product failure.

 When the product is soaked, contact

an authorized service center.

There is risk of fire or electric shock.

 Be sure water could not enter the

product.

There is risk of fire, electric shock, or product damage.

 Ventilate the product from time to

time when operating it together with a stove etc.

There is risk of fire or electric shock.

 Turn the main power off when cleaning

or maintaining the product.

There is risk of fire or electric shock.

 When the product will not be used for

a long time, disconnect the power supply plug or turn off the breaker.

There is risk of product damage or failure, or unintended operation.

 Take care to ensure that nobody could

step on or fall onto the outdoor unit.

This could result in personal injury and product damage.

 CAUTION

 Always check for gas (refrigerant)

leakage after installation or repair of product.

Low refrigerant levels may cause failure of product.

 Install the drain hose to ensure that

water is drained away properly.

A bad connection may cause water leakage.

 Keep level even when installing the

product.

It can avoid vibration of water leakage.

 Do not install the product where the

noise or hot air from the outdoor unit could damage the surrounding.

It may cause a problem for your neighbors.

 Use two or more people to lift and

transport the product.

 Do not install the product where it will

be directly exposed to sea wind (salt spray).

It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation.

 Operational

 Do not expose the skin directly to cool

air for long periods of time. (Do not sit in the draft.)

 Do not use the product for special

purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigerant system.

There is risk of damage or loss of property.

 Do not block the inlet or outlet of air

flow.

 Use a soft cloth to clean. Do not use

harsh detergents, solvents, etc.

There is risk of fire, electric shock, or damage to the plastic parts of the product.

 Do not step on or put anything on the

product (outdoor units).

 Always insert the filter securely. Clean

the filter every two weeks or more often if necessary.

A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage.

 Do not insert hands or other objects

through the air inlet or outlet while the product is operated.

 Do not drink the water drained from

the product.

 Use a firm stool or ladder when

cleaning or maintaining the product.

Be careful and avoid personal injury.

 Replace all the batteries in the remote

control with new ones of the same type. Do not mix old and new batteries or different types of batteries.

There is risk of fire or explosion.

 Do not recharge or disassemble the

batteries. Do not dispose of the batteries in a fire.

They may burn or explode.

 If the liquid from the batteries gets

onto your skin or clothes, wash thoroughly with clean water. Do not use the remote if the batteries have leaked.

2. Model List

Model Names of Indoor/Outdoor Units

3D inverter

Capacity Indoor units

Outdoor units

12K

DA1221-H2-I

DA1221-H2-O

18k

DA1821-H2-I

DA1821-H2-O

24K

DA2421-H2-I

DA2421-H2-O

3. Dimension

3.1 Indoor Unit

Model

W D H

DA1221-H2-I

802

189

297

DA1821-H2-I

1080

226

335

DA2421-H2-I

1080

226

335

For DA1221-H2-I,

For DA1821-H2-I, DA2421-H2-I,

3.2 Outdoor Unit

More than 30cm

More than

30cm

More than

60cm

More than 200cm

More than 60cm (Service space)

For

DA1221-H2-O,

For

DA1821-H2-O,

For

DA2421-H2-O,

4. Refrigerant Cycle

Diagram

5. Installation Details

5.1 Wrench torque sheet for installation

Outside diameter

Torque

Additional tightening torque

inch

N.cm

Ф6.35

1/4

1500(153kgf.cm)

1600(163kgf.cm)

Ф9.52

3/8

2500(255kgf.cm)

2600(265kgf.cm)

Ф12.7

1/2

3500(357kgf.cm)

3600(367kgf.cm)

Ф15.9

5/8

4500(459kgf.cm)

4700(479kgf.cm)

Ф19

3/4

6500(663kgf.cm)

6700(683kgf.cm)

5.2 Connecting the cables

The power cord of connect should be selected according to the following specifications sheet.

Rated current of appliance

Nominal cross-sectional area (mm

)

>3 and ≤6

0.75

>6 and ≤10

>10 and ≤16

1.5

>16 and ≤25

2.5

>25 and ≤32

The cable size and the current of the fuse or switch are determined by the maximum current indicated on the nameplate which is located on the side panel of the unit. Please refer to the nameplate before selecting the cable, fuse and switch.

+ 32 hidden pages

DuctlessAire ES Series, DA1221-H2-O, DA1821-H2-I, DA1221-H2-I, DA1821-H2-O Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual