Haier AU222XFERA Schematic

Commercial Air Conditioning

SERVICE MANUAL

Models

AS072XVERA AS092XVERA AS122XVERA AU182XFERA AU222XFERA

 Features

 High energy efficiency  Newly designed V-appearance for wall mounted unit, step or stepless air flow

control

 New outdoor unit with valve cover plate, also the grille is changed from metal

one to plastic one

 Adjustable heating temperature compenstation  Free combination, multiple connection types with different types of indoor

unit, total indoor load can be up to 135% than the standard match

 Infrared control type

 Central control and full automation, if connected with a central controller  New friendly refrigerant R410a, zero ODP, environment protection  Advanced technology, DC inverter control function  Health airflow and sterilize function for wall mounted unit, more healthy

 Weekly timer (standard)  Group control function  Auto restart function  Low ambient temperature heating (-15 degree) function

 Room card function

Manual code: SYJS-013-05REV.3

Edition: 2007-04-14

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

CONTENTS

Contents………………………………………………………....2

1. Description of products & features………………………...3

2. Specification………………………………………………….6

3. Safety precaution……………………………………………

10

4. Net dimension of indoor and outdoor……………………..12

5. Installation instructions………..……………………………1

6. Parts and functions………………………….………………3

7. Remote controller YR-H65...……………………………….3

3

6 7

8. Refrigerant diagram…………………………………………45

9. Electrical control functions………………………………….4

10. Diagnostic information and trouble shooting...………….5

11. Electrical data………………………………………………6

12. Performance curves.......................................................7

13. Noise level.....................................................................7

14. Air velocity distribution...................................................7

7

9 5 1

5

8

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

1.Description of products & features

1.1. Products code explanation U 18 2 X F E R A

A

Climate type: T1 (see table 1)

Design number (R stands for design sequence, DC inverter

type)

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

B stands for heat pump type, refrigerant is R407C

E stands for heat pump type, refrigerant is R410A

N stands for cool only type, refrigerant is R407C

Appearance character

Product series: X stands for multi-split series

Applicable voltage: 2 stands for 220-230V/50Hz,

4 stands for 220V/60Hz，N stand for 380-400V/50Hz

Cooling / Heating capacity,18=18000BTU/h

Product type : “B” stands for cassette type, “C” stands for

convertible type, ”D” stands for duct, “S” stands for wall

mounted type, "E" stands for ceiling concealed type, “U”

stands for outdoor unit

Air Conditioner

1.2 Brief Introduction for T1、T2、T3 working condition

Climate type

Type of Air

Conditioner

Cooling Only

Heat pump

Electricity Heating

T1 T2 T3

18 ℃~43℃ 10℃~35℃ 21℃~52℃

-7℃~43℃ -7℃~35℃ -7℃~52℃

~43℃ ~35℃ ~52℃

1.3 Operating Range of Air Conditioners

Working temperature range

Rated Maximum Minimum

Cooling

Heating

Indoor

outdoor

Indoor

outdoor

DB℃ WB℃ DB℃ WB℃ DB℃ WB℃ DB℃ WB℃

27 32 18

19 23 14

35 43 10

24 26 6

20 27 15

14.5 -- --

7 24 -15

6 18 --

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

1.4 Product features

High efficienct, universal outdoor unit

The outdoor unit can match with wall mounted type, duct and cassette type indoor unit. One set

outdoor can match with multiple indoor units, up to 3 sets. Even when you have already installed

the air conditioner, if you want to add or reduce one unit, go ahead freely as long as your operation

complies with our design. Greatly convenient for designer and installer.

Total indoor load can be up to 135% than the standard match

The total capacity of all indoor units can be 135% more than the mominal cooling capacity, but the

total indoor cooling capacity will not be increased.

Newly designed V- appearance indoor unit

The wall mounted type indoor unit adopts the newly designed V appearance, more fashion, more

beautiful. The unit is designed with the health airflow and sterilize function, which will make the air

more healthy. Also the air blow direction can be set as step or stepless control, much convenient to

control.

Newly designed guarding plate of valve

In order to protect the valve against the dust, the rain or the snow, etc. we add a

guarding plate to the valve.

Adopt the much friendlier refrigerant R410a

The air conditioner system adopts the greatly friendly refrigerant R410a, which is protective for the

ozone layer and is good to avoid the earth getting warmer. Benefit for the environment.

Adopt the advanced DC inverter technology

The system adopts the advanced DC inverter technology, which can consume less power energy to

realize the equal efficiency, saving money for you.

With air inlet filter, enhance the air quality

The high efficiency filter can collect the dirt and remove the bacterium, which can be installed on the

easy-to-unload place, convenient to be cleaned.

Convenient infrared remote controller

This remote controller YR-H65 can realize the healthy air flow and sterilize function, it is mobile type

appearance, so smart and compact.

And the infrared controller can be equipped with the controller holder, convenient to fix

the remote controller.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Auto–restart function (optional)

All indoor units have auto-restart function. When the power supply cut off suddenly, the unit will

automatically recover the previous running mode once the power supply is on.

Self-diagnostic function

In the course of operation, if the failure occurs, the failure code will display on the wired controller or

on the operation panel. Then according to the failure code chart, you can eliminate the failure soon.

Central control function, if connected with a detector and a central controller

That is convenient for building management.

Weekly timing function, if connected with a detector and a weekly timer

Adjustable heating temperature compensation

In heating mode, the temperature compensation can be adjusted by the remote controller. If you do

not want the compensation, you can set the compensation as 0 degree.

When room card function is available,indoor will be controlled as below figure:

ON

ON OFF

OFF

When room card is disconnected

When room card is connected

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

2. Specification

Item Model AU182XFERA

Function Rating capacity Power input EER / COP Minimum capacity Power input Maximum capacity Power input Power source Max.Running current Power facor(under rating power input) Fuse size (recommended size)

Compressor

Fan

Heat exchanger

Outdoor unit

Dimension (L×W×H)

Refrigerant control method Defrosting method Crankcase heater power

Noise level H/M/L dB(A) Weight Net / Shipping kg / kg Refrigerant R410A / 2.0

Pipe 3* Φ6.35

Connecting method Between I.D &O.D

Piping

1. The above performance data are from the combination of AU182XFERA+2*AS092XVERA+AS122XVERA.

2. Large drop and long piping installation will obviously reduce the totao capacity.

Model / Manufacture —— Oil charge and type —— Type —— Number —— Type × Number —— Speed r/min Motor output power W Air-flows (H/M/L) m³/h Type / Diameter mm Face area m² External mm Package mm

Type / Charge kg No need to recharge m Recharge g/m Liquid mm Gas mm

Drop between IU & OU Piping length between IU & OU Total liquid piping length Drop between indoor units m Max.Drop between IU & OU m Max.Drop between IU & OU m Max.Drop between indoor units m Max.Piping length between IU & m Max.Total liquid piping length

——

W 5300 7000 W 1650 1800

W/W

W 1500 1800 W 500 500 W W

——

A / A 10.2 10.2

—— 99% 99%

A

—— ——

W

——

m m m

m

Cooling Heating

3.21 3.88

5800 7400 2300 2300

1PH, 220-230V~, 50Hz

25

TNB175FLBM1 / MISTUBISHI ELEC.

670CC, MEL 56

Twin Rotary (DC inverter)

1

Axial × 1

850/ 700/ 500

35

about 3000

TP2M / 7.0

about 0.52

928/288/680

1015/405/760

PMV

Automatic by reversible cycle

35

51/-/-

54 / 60

30 20

3* Φ9.52

Flared

≤5 ≤10 ≤30

≤1

10(indoor unit lower than outdoor unit)

15 (indoor unit higher than outdoor unit)

5 25 45

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Item Model AU222XFERA

Function Rating capacity Power input Current input EER / COP Minimum capacity Power input Maximum capacity Power input Power source Max.Running current Power facor(under rating power input) Fuse size (recommended size)

Compressor

Fan

Heat exchanger TP2M / 7.0

Outdoor unit

Dimension (L×W×H)

Refrigerant control method PMV Defrosting method Crankcase heater power 35 Noise level H/M/L dB(A) Weight Net / Shipping kg / kg Refrigerant R410A / 2.0

Pipe 3* Φ6.35

Connecting method Between I.D &O.D

Piping

1. The above performance data are from the combination of AU222XFERA+AS092XVERA+2*AS122XVERA.

2. Large drop and long piping installation will obviously reduce the total capacity.

Model / Manufacture —— Oil charge and type —— Type —— Number —— Type × Number —— Speed r/min Motor output power W Air-flows (H/M/L) m³/h Type / Diameter mm Face area m² External mm Package mm

Type / Charge kg No need to recharge m Recharge g/m Liquid mm Gas mm

Drop between IU & OU Piping length between IU & OU Total liquid piping length Drop between indoor units m Max.Drop between IU & OU m Max.Drop between IU & OU m Max.Drop between indoor units m Max.Piping length between IU & m Max.Total liquid piping length

——

W 6400 7300 W 2100 2000

A 9.3 8.9

W/W

W 1500 1800 W 500 500 W W

——

A / A 12.9 12.9

—— 99% 99%

A

—— ——

W

——

m m m

m

Cooling Heating

3.04 3.65

6800 7500 2900 2900

1PH, 220-230V~, 50Hz

25

TNB175FLBM1 / MISTUBISHI

670CC, MEL 56

Twin Rotary (DC inverter)

1

Axial × 1

960/ 700/ 500

35

about 3200

about 0.52

928/288/680

1015/405/760

Automatic by reversible cycle

55/-/-

54 / 60

30 20

3* Φ9.52

Flared

≤5 ≤10 ≤30

≤1

10(indoor unit lower than outdoor unit)

15 (indoor unit higher than outdoor

5 25 45

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Item Model

Function Capacity Capacity Power cable Communication cable Dehumidifying capacity Power source Running current

Fan CROSS×1

Heat exchanger TP2M / 7×0.35

Dimension (L×W×H)

Drainage pipe material, diameter mm Controller type Refrigerant control Noise level H/M/L dB(A) Weight Net / Shipping kg / kg Refrigerant Pipe 6.35 6.35

Piping

Connecting method

Item

Function Capacity Capacity Dehumidifying capacity Power cable Communication cable Power source Running current

Fan

Heat exchanger TP2M / 7×0.35

Dimension (L×W×H)

Drainage pipe material, diameter mm Controller type Refrigerant control Noise level H/M/L dB(A) Weight Net / Shipping kg / kg Refrigerant Pipe

Piping

Connecting method

Type × Number —— Speed r/min Motor output power W Air-flows (H/M/L) m³/h Type / Diameter mm Total area m² External mm Package mm

Type —— Liquid mm Gas mm

Type × Number —— Speed r/min Motor output power W Air-flows (H-M-L) m³/h Type / Diameter mm Total area m² External mm Package mm

Type —— Liquid mm Gas mm

——

BTU/h

W —— ——

10‐³×m³/h

N, V, Hz

A / A 0.15 0.15 0.15 0.15

—— ——

——

BTU/h

W

10‐³×m³/h

—— ——

N, V, Hz

A / A

—— ——

——

AS072XVERA AS092XVERA

Cooling Heating Cooling Heating

7000 8000 9000 10000 2000 2300 2500 2900

3 × (1.0~1.5mm2 )

2x(0.75~1.25mm2 ), must be shielded

1.0 / 1.0 / 1,220-230~, 50

1150/1050/950 1200/1100/1000

27 27

480/430/380

about 0.15 about 0.15

795*197*265

880×315×330 880×315×330

PVC, 11.4/16.4

Infrared (YR-H65)

PMV on outdoor unit

36/33/30 38/34/31

7.6/10.6 7.6/10.6 R410A R410A

9.52 9.52

Flared

AS122XVERA

Cooling

11000

3200

1.6

3 × (1.0~1.5mm2 )

2x(0.75~1.25mm2 ), must be shielded

1, 220~230, 50

0.15 0.15 CROSS×1

1250/1150/1050

27

550/480/430

about 0.20

795×197×265 880×315×330

PVC, 11.4/16.4

Infrared (YR-H65)

PMV on outdoor unit

39/36/33

7.6/10.6 R410A

6.35

9.52

Flared

CROSS×1

520/450/390

795×197×265

Flared

Heating

13000

3800

/

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

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 The noise level will be measured in the third octave band limited values, using a Real Time Analyser calibrated sound intensity meter. It is a sound pressure noise level. The detailed method please refer to the following information:

Installation state: the unit should be placed on the flat floor or be mounted in horizontal direction. Testing method:

mounting-on-wall unit:

0.8m

outdoor unit:

1.air outlet from side: the noise level is the average sound pressure level measured from front, left, right directions.

2.air outlet from top: the noise level is the average sound pressure level measured from front, back, left, right directions. measured point: H ( height to the ground) = (h (unit height) + 1m) /2 and, it is 1m to each side.

1m

h

Note: ⊙ is the real time analyser position

1m

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

3. Safety precaution

Carefully read the following information in order to operate the airconditioner correctly .

Below are listed three kinds of Safety Cautions and Suggestions.

WARNING! CAUTION!

INSTRUCTIONS: These information can ensure the correct operation of the machine.

Be sure to conform with the following important Safety Cautions. The Safety Cautions should be at hand so that they can be checked at any time when needed. If the conditioner is transferred to the new user, this manual should be as well transferred to the new user.

If any abnormal phenomena is found (e. g.smell of firing), please cut off the power supply immediately , and contact the dealer to find out the handling method.

In such case, to continue using the conditioner will damage the conditioner, and may cause electrical shock or fire hazard.

Incorrect operations may result in severe consequences of death or serious injuries. Incorrect operations may result in injuries or machine damages; in some cases may

cause serious consequences.

WARNING!

Don't dismantle the outlet of the outdoor unit.

The exposed fan is very dangerous which may harm human beings.

switch

After the unit being used for a long time, the base should be checked for any damages.

If the damaged base is not repaired, the

unit may fall down and cause accidents.

off

When the unit needs maintenance and repairment, please call dealer to handle it.

Incorrect maintenance and repairment may cause water leak, electrical shock and fire hazard.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

WARNING!

Installed electrical-leaking circuit breaker .

Nothing or nobody is permitted to placed on or stand on outdoor unit.

It easily cause electrical shock without circuit breaker.

The falling of goods and people may cause accidents.

Air-conditioner can't be installed in the environment with inflammable gases because the inflammable gases near to air-conditioner may cause fire hazard.

Please let the dealer be responsible for installing the conditioner .

Don't operate the air-conditioner with damp hands.

Incorrect installation may cause water

leak, electrical shock and fire hazard.

Otherwise will be shocked.

Call the dealer to take measures to

prevent the refrigerant from leaking.

If conditioner is installed in a small

room be sure to take every measure in

order to prevent suffocation accident

even in case of refrigerant leakage.

When conditioner is removed or

reinstalled, dealer should be responsible

for them.

Incorrect installation may cause water

leaking, electrical shock and fire hazard.

Only use correctly-typed fuse.

May not use wire or any other materials replacing fuse, other-wise may cause faults or fire accidents.

Connect earthing wire.

Earthing wire should not be connected to the gas pipe, water pipe, lightning rod or phone line, in-correct earthing may cause shock.

Earthing

Use discharge pipe correctly to ensure efficient discharge.

Incorrect pipe use may cause water leaking.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

4. Net dimension of indoor and outdoor

AU18/222XFERA:

37,1-85463

18

Wall mounted unit:

305

225

870

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

5. Installation Instructions

■R410A

The working pressure of R410A is approximately 1.6 times higher than R22. Because the oil in the

refrigerant is different, please do not mix them.

Refrigerant R22 (single) R410A (mixed) R407C (mixed)

Oil Mineral oil (SONTEX 200LT) Synthetic oil (POE oil) Synthetic oil (POE oil)

Pressure ratio 1 Approx. 1.6 Approx. 1.1

■Operation flow

prepare work schedule

refrigerant inspection

operation chart preparation

indoor unit installation

refrigerant piping work

drain piping work

duct work

insulation work

remote controller installation

electric wiring work

outdoor unit foundation work

outdoor unit installation

refrigerant piping connection

leakage test

evacuation and drying

additional refrigerant charging

gas leakage check

maintenance panel installation

trial running and adjustment

hand over

1. Always inspect the used refrigerant

2. Always use the specified refrigerant

1. Use piping material of the specified thickness

2. Do not use dirty pipe

3. Always flow nitrogen during welding work

1. Do not connect the power supply

1. Charge the nitrogen to the set pressure

2. 24 hours later,check if the pressure in the pipe has reduced

1. Air purging by refrigerant is prohibited seriously

2. Use a special vacuum pump with reverse check mechanism

1. Calculate the refrigerant additional charging amount, and charge a suitable amount.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

■Piping material

1. Use the correct refrigerant piping and materials for R410A

2. For the pipe wall thickness, see the table below:

Pipe diameter Φ6.35 Φ9.52 Φ12.7 Φ15.88 Φ19.1

Pipe wall thickness 0.8 0.8 0.8 1.0 1.2

Note: Always observe and comply with the local regulations when installing the refrigerant piping.

■Tools

R410A work requires a number of special tools (* symbol). Since the tools used in R22 work

cannot be used for R410A, provide the tools separately.

Tool name Process and application

Pipe cutter Piping cutting

*Flaring tool Pipe flaring work

*Torque wrench Flare nut connection

Expander Expansion at pipe connection

Pipe bender Pipe bending work

Nitrogen gas Pipe oxidation prevention

Welder Pipe brazing

*Gauge manifold

*Charging hose

*Vacuum pump (with

adapter)

Electronic scale

Gas leakage detector Gas leakage test

Vacuum evacuation and refrigerant

charging operation check

Vacuum drying

■Work precautions

Refrigerant piping work

Air tightness test

Refrigerant additional

charging

Refrigerant additional

charging

Refrigerant check: Before work, check the used refrigerant and prepare materials matched to the

refrigerant.

Refrigerant piping: Observe the basics of refrigerant piping to avoid the unnecessary problems. In

addition, when performing the welding work, seal in the nitrogen gas to the pipes, and prevent it

from the oxidation.

Leak pressure detection: Perform seal detection and make sure there is no refrigerant leakage.

Vacuum drying: If the vacuum pump has not the reverse flow check mechanism, use the pump

together with a reverse flow check adapter.

Additional refrigerant: Charge a suitable amount of refrigerant with a special R410A gauge

manifold and charging hose.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

5.1 Outdoor Installation

Cautions

All electrical repairs must be carried out by qualified

electricians. Inadequate repairs may result in a major

source of danger for the user of the air conditoiner.

Do not damage any parts of the air conditioner that

carry refrigerant by piercing or perforating the air

conditioner's tubes with sharp or pointed items,

crushing or twisting any tubes, or scraping the

coatings off the surfaces. If the refrigerant spurts out

and gets into eyes, it may result in serious eye

injuries.

Do not obstruct or cover the ventilation grille of the

air conditioner. Do not put fingers or any other things

into the inlet/outlet and swing louver.

Do not allow children to play with the air conditioner.

In no case should children be allowed to sit on the

outdoor unit.

Specifications

2. If the supply cord is damaged, it must be replaced

by the manufacturer or its service agent or a similar

qualified person.

3. If the fuse on PC board is broken please change it

with the type of T 3.15A /250VAC or T 25A/250VAC.

Please check the circuit diagram about the fuse

replaced.

4. The wiring method should be in line with the local

wiring standard.

5. The power cable and connecting cable are self-

provided. The requirement of the power cable to the

outdoor unit: H05RN-F 3G 4.0mm

Model

AU182XFERA AU222XFERA

Cable type

H05RN-F 3G 4.0mm

2

All the cables shall have got the Local authentication

certificate.

The refrigerating circuit is leak-proof.

6. The breaker of the air conditioner should be all-pole

The machine is adaptive in following situation

1. Applicable ambient temperature range:

Maximum:D.B/W.B 32 C/23 C

Minimum:D.B/W.B 18 C/14 C

Maximum:D.B 43 C/26 C

Minimum:D.B

Maximum:D.B 27 C

Minimum:D.B 20 C

Maximum:D.B/W.B 24 C/18 C

Minimum:D.B/W.B -15 C

10 C/6 C

Cooling

Heating

Indoor

Outdoor

Indoor

Outdoor

switch; and the distance between its two contacts

should be no less 3mm. Such means for disconnection

must be incorporation in the fixed wiring.

7. The waste battery shall be disposed properly.

Safety precautions

To ensure proper installation, please read this safety precautions carefully before the installation. After installation, start the unit correctly and ensure that you show the customer how to operate and maintain the units.

WARNING! CAUTION!

Incorrect operations may result in severe consequences of death or serious injuries. Incorrect operations may result in injuries or machine damages; in some cases may cause serious consequences.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

WARNING

Installation work must be carried out by professional qualified people, do not install the unit by

yourself. Incorrect installation will cause water leakage, electric shock and potentially fire.

Install the unit as per the manual. Incorrect installation will cause water leakage, electric

shock or fire risk.

Be sure to use specified accessories and parts. Otherwise, water leakage, electric shock, fire risk

or unit falling down may occur .

Mounting position must be strong enough to hold the unit. Or, the unit will potentially fall down

causing injuries.

When installing the unit, take in consideration storms and high winds. Incorrect installation may

cause the unit to fall down.

All electric work should be carried out by experienced personnel as per current regulations and

this manual. Incorrect installation or undersized electric cable may cause electric shock or fire risk.

All circuits must be earthed. Ensure that no external forces will affect the terminal block and electric

cable. Poor wiring and installation may cause fire risk.

Arrange wire connection between connecting the indoor and outdoor power supply correctly. Fix

terminal cover firmly to avoid overheating, electric shock or even fire risk.

In the case of a refrigerant leakage during unit installation, keep the room well ventilated.

Check the unit upon installation. Be sure there is no leakage. Refrigerant will induce a poisonous

gas subject to heat.

Isolate power supply before touching terminal block.

WARNING

All units shall be earthed. The earth must not be connected to a gas pipe, water pipe, or telephone

line. Poor earthing could cause electric shock.

Be sure to install a circuit breaker to avoid electric shock.

Arrange water drainage according to this manual. Cover pipe with insulation materials to prevent

condensation occuring. Improper installation of water drainage will cause water leakage.

To maintain good picture or reduce noise, keep the unit at least 1m from T.V. or radio,

when installing the communication wire and power supply. (If the radio wave is relatively strong,

1m is not enough to reduce the interference).

Do not install the unit in following places:

(a) Oil mist or oil gas exists, such as kitchen, or, plastic parts may age, or water leakage.

(b) Where there is corrosive gas. Copper tube and welded part may be damaged due to corrosion

causing leakage. (c) Where there is strong radiation. It will affect the unit's control system, causing malfunction of

the unit.

(d) Where there are flammable gas, dirt, and volatile matter (thinner, gasoline) exist, these items

will cause a fire risk.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Installation accessories

The following accessories are supplied together with the outdoor unit.

No.

1

2

3

Drawing

Name of parts

Drainage elbow

Rubber cushion

ClampClap

Quantity

1

4

1

Choose the installation place

Place, robust not causing vibration, where the body can be supported sufficiently.

Place, not affected by heat or steam generated in the vicinity, where inlet and outlet of the unit are not

disturbed.

Place, possible to drain easily, where piping can be connected with the outdoor.

Place,where cold air can be spread in a room entirely.

Place, nearby a power receptacle, with enough space around.(Refer to drawings).

Place, where the distance of more than 1m from televisions, radios, wireless apparatuses and fluorescent

lamps can be left.

In the case of fixing the remote controller on a wall, place where the indoor unit can receive signals when

the fluorescent lamps in the room are lightened.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Installation drawings of indoor and outdoor units

1. Do not connect the embedded branch piping and the outdoor unit when only carrying out piping work without connecting the indoor unit in ordor to add another indoor unit later. Make sure that no dirt or mositure gets into eigher side of the embedded branch piping.

2.It is impossible to connect the indoor unit for one room only. Be sure to connect at least 2 rooms.

Arrangement of piping directions

Rear left

Rear right

Below

Attention must be paid to the rising up of drain hose

Right

More than 10cm

Wrap the insulation pipe with the

finishing tape from bottom to top.

More than 5cm

Left

Cut thermal insulation pipe to an

appropriate length and wrap it with

tape, making sure that no gap is left in

the insulation pipe's cut line.

more than 10cm

more than 25cm

more than 60cm

If there is the danger of the unit failing or overturning, fix the unit with foundation bolts, or with wire or other

means.

If the location does not have good drainage, place the unit on a level mounting base(or a plastic pedestal).

Install the outdoor unit in a level position. Failure to do so may result in water leakage or accumulation.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Power source

Before inserting power plug into receptacle, check the voltage without fail. The power source is the same as the corresponded nameplate. Install an exclusive branch circuit of the power. A receptacle shall be set up in a distance where the power cable can be reached. Do not extend the cable by cutting it.

Matching of the indoor and outdoor units

AU182XFERA

Combination

1:2

1:3

A

BC

07 12 09 09 09 12 12 12 07 07 07 07 07 09 07 07 12 07 09 09 07 09 12 09 09 09 09 09 12

Remark

* * *

AU222XFERA

Combination

1:2

1:3

A 07 1 09 09 1 1 07 07 09 07 07 12 07 09 09 07 09 12 09 09 09 09 09 12 09 12 12

BC

4

12

4

12

Remark

* * * *

WARNING!

Combinations those marked * can not be applied where the temperature in winter is too low and in

summer is too higher to avoid bad heating or cooling effect.

Limitations on the installation

1.Precautions on installation

Check the strength and level of the installation ground so that unit will not cause any operating vibration or noise after installation. In accordance with the foundation drawing in fix the unit securely by means of the foundation bolts. It is best to screw in the foundation bolts unit their length are 20 mm from the foundation surface.

2.Selecting a location for installation of the indoor units The maxinum allowable length of refrigerant piping, and the maxmum allowable height

difference between the outdoor and indoor units, are listed below. (The shorter the refrigerant piping, the better the performance. Connect so that the piping is as short as possible. Shortest allowable length per room is 3m)

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

3. Limitations data on the piping work .

L1

A

h

L2

B

H +

L3

H -

C

The piping length information, please refer the following table.

Item

A, B, C liquid pipe

A, B, C Gas pipe

L1 (one way)

L2 (one way)

L3 (one way)

L1+L2+L3 m Total liquid piping length

h

H +

H -

Unit

Size of the liquid side connection pipe

mm

Size of the gas side connection pipe

Pipe length when the compressor connects with two indoor units

m

Pipe length when the compressor connects with two indoor units

m

Pipe length when the compressor connects only one indoor unit

m

Drop between every two indoor units

m

Drop between the outdoor unit and the indoor unit

m

Drop between the outdoor unit and the indoor unit

Descriptions

Standard

6.35

9.52

*10

*30 *45

*1

*5

Maximum

/

*30

*5

*15

*10

Refrigerant piping work

1. Selection of pipe

To this unit, both liquid and gas pipes shall be insulated as they become low temperature in operation. Use optional parts for piping set or pipes covered with equivalent insulation material.

Liquid pipe

Gas pipe

6.35mm ( 1/4'' ) x 0.8mm

9.52mm ( 3/8'' ) x 0.8mm

2. Connection of pipe

Apply refrigerant oil on half union and flare nut. To bend a pipe, give the roundness as large as possible not to crush the pipe. Connecting the pipe of gas side firstly makes working easier.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Flare nutHalf union

Torque wrenchSpanner

Forced fastening without careful centering may damage the threads and cause a leakage of gas.

Pipe Diameter ( )

Liquid Side 6.35mm (1/4'')

Fastening Torque

18N.m

Gas Side 9.52mm (3/8'') 50N.m

3. Attaching Drain-Elbow

If the drain-elbow is used, please attach it as figure.

Hose

Drain elbow

4.Cutting and Flaring work of piping

Pipe cutting is carried out with a pipe cutter and burs must be removed. After inserting the flare nut, flaring work is carried out.

A

Liquid side

Pipe diameter* Size A (mm)

6.35mm(1/4")

0.8~1.5

Gas side

9.52mm(3/8")

Flare tooling dia.

Correct

Lean

Damage of flare

Incorrect

Crack Partial

5.On drainage Please install the drain hose so as to be downward slope without failure. Please don't do the drainage as shown below.

-21-

1.0~1.5

Too outside

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Less than 5cm

It becomes high midway.

The end is immersed in water

It waves. It gap with the

ground ts too small.

There is the bad smell from a ditch.

Please pour water in the drain pan of the indoor unit, and confirm that drainage is carried out serely to outdoor. In case that the attached drain hose is in a room, please apply heat insulation to it without fail.

Purging method: to use vacuum pump

Liquid stop valve

1 .Detach the service port's cap of 3-way valve, the valve

rod's cap for 2-way valve and 3-way valves, connect the

service port into the projection of charge hose (low) for

gaugemanifold. Then connect the projection of charge

hose (center) for gaugemanifold into vacuum pump.

2 .Open the handle at low in gaugemanifold, operate

vacuum pump. If the scale-moves of gause (low) reach

vacuum condition in a moment, check 1 again.

3 .Vacuumize for over 15min. And check the level gauge

which should read -0.1MPa (-76 cm Hg) at low pressure

side. After the completion of vacuumizing, close the handle

'Lo' in the vacuum pump. Check the condition of the scale

and hold it for 1-2min. If the scale-moves back in spite of

tightening, make flaring work again, then return to the

beginning of 3 .

4 .Open the valve rod for the 2-way valve to and an angle

of anticlockwise 90 degree. After 6 seconds, close the 2-

way valve and make the inspection of gas leakge.

5 .No gas leakage?

In case of gas leakage, tighten

parts of pipe connection. If

leakage stops, then proceed

6 steps.

6 .Detach the charge hose from the service port, open

2-way valve and 3-way. Turn the valve rod anticlockwise

until hitting lightly.

7 .To prevent the gas leakage, turn the service ports cap,

the valve rodis cap for 2-way valve and 3-way's a little

more than the point where the torque increases suddenly.

2 way valve

3 way valve

Open

Close

2 way valve

If it does not stop gas leakage, discharge

whole refrigerants from the service port.

After flaring work again and vacuumize, fill

up prescribed refrigerant from the gas

cylinder.

2 way valve

3 way valve

2 way valve

3 way valve

Gas stop valve

Gauge maifold(R410A)

Vacuum pump(R410A)

3 way valve

0

90

Service port cap

Service port

0

for 6 sec.

6

Valve rod cap

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

CAUTION:

If the refrigerant of the air conditioner leaks, it is necessary

to make all the refrigerant out. Vacuumize first, then charge

the liquid refrigerant into air conditioner according to the

amount marked on the nameplate.

2 way valve

3 way valve

2 way valve

3 way valve

2 way valve

o

90 10s

3 way valve

6.35mm (1/4")

9.52mm

(3/8")

6.35mm (1/4")

9.52mm

(3/8")

6.35mm

(1/4")

9.52mm

(3/8")

To indoor unit A

To indoor unit B

To indoor unit C

Wiring work

1. Electric wiring Note:

The air conditioner must use special circuit , and wiring by the qualified electrician according to the wiring rules specified in national standard. The grounding wire and the neutral wire shall be strictly separated. Connect the neutral wire with grounding wire is incorrect. The electric leakage breaker must be installed. All the electric wire must be copper wire.When wiring,there shall keep a proper distance between the power line and communication wire to avoid twist together. Otherwise,signal disturbance will occur,and the air conditioner can not operate normally. Power supply: 1PH, 220-230V~, 50Hz. The wiring method of power line is Y connection. If the power line is damaged, in order to avoid risk of electric shock, it must be replaced by the manufacturer or its repair center or other similar qualified person.The connecting cable must be shielded. Fuse: T3.15A 250VAC T25A 250VAC (Please check with the outdoor unit wiring diagram.) Please check the circuit diagram about the fuse replaced.

2. Wiring method Wiring method of ring terminals For the connection wire with ring terminals, its wiring method is as shown in the right figure: remove the connecting screw, put the screw through the ring on the end of the wire, then connect to the terminal block and fasten screw. Wiring method of straight terminals For the connection wire without orbicular terminals, its wiring method is: loosen the connection screw, and insert the end of the connection wire completely into the Terminal block, then fasten the screw. Slightly pull the wire outwards to confirm it is firmly held.

Wiring Method for

Ring Terminal Block

Correct Pressing

Wrong Pressing

Terminal

block

Pressing

Clamps

Crimp connection method for wires without terminals

Connect the wire with same diameter to the two sides of the terminal

Do not connect the wire with same diameter to the same side

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Do not connect the wire with different diameters

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Crimp connection method for connection wire After connection,the wire must be fastened by wire cover. The wire cover shall press on the protection coat of the connection wire,as shown in right top figure. Note:When connecting the wiring,confirm the terminal number of indoor and outdoor units carefully. Incorrect wiring will damage the controller of air conditioner or the unit can not operate.

3. Wiring method of outdoor unit:

Power line Remove the repair board of the outdoor unit and loosen the wire cover A,then put the live wire, neutral wire and grounding wire through the wire cover ,and connect them to terminal block correspondingly. After connection, fasten wire cover to its previous state. Communication wire of indoor unit. Loosen wire cover , put the communication wire through the wire cover B, and connect them to terminal block correspondingly. After connection, fasten wire cover B to its previous state. Note: Power line and communication wire are provided by consumers themselves.

Terminal block

Wire cover A

Wire cover B

Valve cover

4. Wiring method of indoor unit Loosen wire cover and connect the power line and communication wire of indoor unit to the

terminal correspondingly. Note: When connecting power line to power supply terminal, please pay attention to the following items: Do not connect the power line with different dimensions to the same connection wire end. Improper contact will cause heat generation. Do not connect the power line with different dimensions to the same grounding wire end. Improper contact will affect protection. Keep a proper distance between the communication wire and the power line. Otherwise, abnormal communication will occur because of disturbance. Do not connect the power line to the connecting end of communication wire. Incorrect connection will cause damage to the connected unit.

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AS072/092/122XVERA

5. Example wiring diagram

Commercial Air Conditioner Model: AU18/222XFERA

Indoor unit C Indoor unit B Indoor unit A

LN NL

C1 C2

1PH, 220-230V~, 50Hz Outdoor unit

Power supply cable: H05RN-F 3G 4.0mm

Communication cable (Shield wire): H05RN-F 2X1.5mm

Connecting cable (Shield wire): H05RN-F 3G 2.5mm

2

Please refer to the indoor unit installation manual to find detailly how to set and check the communication address. Incorrect address setting will cause abnormal to the system.

The distance between the signal wires and the power cabes should be at least 50mm.

6. After installation, please fill in the following table for easy daily maintenance:

Indoor unit NO.

Room name

Model of indoor unit Serial No.

A

B

C

Test running

Before starting the test running, please confirm the following works have been done successfully.

1) Correct piping work;

2) Correct wiring work;

3) Correct match of indoor and outdoor unit;

4) Proper recharge of refrigerant if needed;

5)Correct indoor unit addresses setting. Make sure that all the stop valves are fully open. Check the voltage supplied to the outdoor and indoor units, please cinfirm that is 230V.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Test running.

1) If the temperature is lower than 16 C, it is impossible to test cooling with remote controller, and also when the temperature is higher than 30 C, it is impossible to test heating.

2) To test cooling, set the lowest temperature at 16 C. To test heating,set the highest temperature, at 30C.

3) Please check both cooling and heating operation of each unit individually and then also check the simultaneous operation of all indoor units.

4)After ruuning the unit for about 20 minutes, check the indoor unit outlet temperature.

5) After the unit is stopped, or working mode changed, the system will not start again for about 3 minutes.

6)During cooling operation, frost may ocur on the indoor unit or pipes, this is normal.

7) Operate the unit according to the operation manual. Please kindly explain to our customers how to operate through the instruction manual.

Items to confirm

Check items for test run, put mark " in ".

Gas leakage from pipe connection? Heat insulation treatment of pipe connection? Are the connection wiring of indoor and outdoor unit firmly inserted into the terminal block? Is the connection wiring of indoor and outdoor firmly fixed? Is drainage securely arranged? Is the ground wire securely and firmly connected? Is power supply voltage abided by electric code? Is there any noise? Does cooling perform normally? Does room temperature regulator operate normally?

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Indoor unit installation

Cautions

All electrical repairs must be carried out by qualified electricians. Inadequate repairs may result in a major source of danger for the user of the air conditioner.

Do not damage any parts of the air conditioner that carry refrigerant by piercing or perforating the air conditioner's tubes with sharp or pointed items, crushing or twisting any tubes, or scraping the coatings off the surfaces. If the refrigerant spurts out and gets into eyes, it may result in serious eye injuries.

4. The wiring method should be in line with the local wiring standard.

5. The power cable and connecting cable are selfprovided. The requirement of the connecting cable:

Model

AS072XVERA AS092XVERA AS122XVERA

Connecting cable(sheilded wire)

H05RN-F 3G 2.5mm

H05RN-F 2X1.5mm

2

All the cables shall have got the Local

Do not obstruct or cover the ventilation grille of the air conditioner. Do not put fingers or any other things into the inlet/outlet and swing louver.

Do not allow children to play with the air conditioner. In no case should children be allowed to sit on the outdoor unit.

authentication certificate.

6. The breaker of the air conditioner should be all-pole switch; and the distance between its two contacts should be no less than 3mm. Such means for disconnection must be incorporation in the fixed wiring.

Specifications

The refrigerating circuit is leak-proof.

The machine is adaptive in following situation

1. Applicable ambient temperature range:

Cooling

Heating

Indoor

outdoor

Indoor

outdoor

Rated Maximum Minimum 27 32 18

DB C

19 23 14

WB C

35 43 10

DB C

24 26 6

WB C

20 27 15

DB C

14.5 -- --

WB C

7 24 -15

DB C

6 18 --

WB C

7. The waste battery shall be disposed properly.

8. The indoor unit installation height is at least 2m.

9. The appliance is not intended for ase young children or infirm persons without super vision.

10. Young children should be super vised to ensure that they do not play with the applience.

2. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similar qualified person.

3. If the fuse on PC board is broken, please change it with the type of T 3.15A /250VAC

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

1. Safety precautions

Carefully read the following information in order to operate the air conditioner correctly. Below are listed three kinds of Safety Cautions and Suggestions.

WARNING!

CAUTION!

INSTRUCTIONS: These information can ensure the correct operation of the machine. Be sure to conform with the following important Safety Cautions. The Safety Cautions should be at hand so that they can be checked at any time when needed. If the conditioner is transferred to the new user, this manual should be as well transferred to the new user.

Incorrect operations may result in severe consequences of death or serious injuries.

Incorrect operations may result in injuries or machine damages; in some cases may cause serious consequences.

WARNING!

Don't blow the human body with the cooling air too long, and don't let the room temperature decrease too low either. Otherwise the one will feel unpleasant or harm ones' health.

If any abnormal phenomena is found (e. g. smell of firing), please cut off the power supply immediately, and contact the dealer to find out the handling method.

In such case, to continue using the conditioner will damage the conditioner, and may cause electrical shock or fire hazard.

When you need maintenance and repairment, call dealer to handle it. Incorrect maintenance and repairment may cause water leak, electrical shock and fire hazard.

switch

off

Please let the dealer be responsible for installing the conditioner.

Incorrect installation may cause water leak, electrical shock and fire hazard.

Don't put fingers or any other things into the inlet/outlet and swing louver while the conditioner is in operation.

Because the highspeed fan is very dangerous and may cause injuries.

Call the dealer to take measures to prevent the refrigerant from leaking.

If conditioner is installed in a small room, be sure to take every measure in order to prevent suffocation accident even in case of refrigerant leakage.

When conditioner is deinstalled or reinstalled dealer should be responsible for them.

Incorrect installation may cause water leaking, electrical shock and fire hazard.

CAUTIONS!

Conditioner should not be used for any other purpose other than airconditioning.

Don't use air-conditioner for any other special purposes, e.g. the preservation and protection of food, animals, plants, pecision apparatus as well as work of art, otherwise the qualities of these stuffs may be damaged.

Don't operate the air-conditioner with damp hands.

Otherwise will be shocked.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Don't dismantle the outlet of the outdoor unit.

The exposure of fan is very dangerous which may harm human beings.

When air-conditioner is co-used with other heat-radiator the frequent replacement of room atmosphere should be required.

Inefficient ventilation may cause suffocation.

After a long time use of air-conditioner the base should be checked for any damages.

If the damaged base is not repaired, the unit may fall down and cause accidents.

No goods or nobody is permitted to placed on or stand on outdoor unit.

The falling of goods and people may cause accidents.

Pets and plants should not be blowed directly in the air flow.

Otherwise will suffer damage.

Only use correctly-typed fuse.

May not use wire or any other materials replacing fuse, otherwise may cause faults or fire accidents.

Don't place any burning unit air-conditioner, combustion.

No inflammable spray fluid should be permitted to be placed or used near to airconditioner other wise may cause fire accidents.

Air-conditioner should be cleaned only after power supply is cut off to keep from shock or hurt.

Don't clean air-conditioner with water.

Otherwise may cause shock.

When use the fumigating insecticide don't open air-conditioner.

Otherwise the poisonous chemicals may settle in air-conditioner which harm the health of chemical-allergic people.

which may cause incomplete

in the air flow of

CAUTIONS ON INSTALLATION

Please ask the dealer or specialist to install, never try by the users themselves. After the installation please be sure of the following conditions.

Please call dealer to install the air-conditioner.

Incorrect installation may cause water leaking, shock and fire hazard.

CAUTION !

Air-conditioner can't be installed in the envi-ronment with inflammable gases because the inflammable gases near to air-conditioner may cause fire hazard.

Installed electrical-leaking circuit breaker.

It easily cause electrical shock without circuit breaker.

Connect earthing wire.

Earthing wire should not be connected to the gas pipe, water pipe, lightning rod or phone line, incorrect earthing may cause shock.

Use discharge pipe correctly to ensure efficient discharge.

Incorrect pipe use may cause water leaking.

Earthing

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

[Location]

Air-conditioner should be located in wellvented and easily-accessible place. Air-conditioner should not be located in the following places: (a) Places with machine oils or other oil vapours. (b) Seaside with high salt content in the air. (c) Near to hot spring with high content of sulfide gases. (d) Area with frequent fluctuation of voltage e.g. factory, etc. (e) In vehicles or ships. (f) Kitchen with heavy oil vapour or humidity. (g) Near to the machine emitting electricmagnetic waves. (h) Places with acid, alkali vapuor. TV, radio, acoustic appliances etc are at least 1 m far away to the indoor unit, outdoor unit, power supply wire, connecting wire, pipes, otherwise images may be disturbed or noises be created.

As required, take measures against heavy snow.

[Wiring]

Air-conditioner should be equipped with special power supply wire.

[Operating noise]

Chose the following locations: (a) Capable of supporting air-conditioner weight, don't increase operating noise and vibration. (b) Hot vapour from outdoor unit outlet and ope rating noise don't disturb neighbour. No obstacles around the outdoor unit outlet.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

2. Emergency and Test Operation

Emergency operation:

Use this operation only when the remote controller is defective or lost. When the emergency operation switch is pressed "Pi" sound is heard once, which means the start of this operation. In this operation,the system automatically selects the operation modes, cooling or heating, according to the room temperature. When machine is running in emergency, the set value and wind speed of temperature could not be altered; meanwhile, it can not operate for dehumidifying or under timing mode.

pi

Test operation

Test operation switch is the same as emergency switch.

pi.....pi

Use this switch in the test operation when the room temperature is below 16 oC, do not use it in the normal operaion. Continue to press the test operation swich for more than 5 seconds, after you hear the "Pi" sound twice, release your finger from the switch:the cooling operation starts with the air flow speed "Hi".

Removal of the restriction of emergency or test operation.

Press the emergency operation switch once more, or manipulate through the remote controller ; the "Pi" sound, the emergency or test operation is stopped. When the remote controller is manipulated, it gets the system back to the normal operation mode.

Disconnect power supply before clean the unit.

Don' t touch it with wet hand. Don' t wash with hot water or solvent to clean the unit.

Air filter and outdoor cleaning

1.Open the inlet grill.

2.Detach the Air filters.

3.Use water or vacuum cleaner to clean it. If it is extremely dirty,wash it with neutral detergent or soap water.

4.Wash it with clean water and install it after complete dry.

5.Close the inlet grill. Caution: Do not use hot water over 40oC, as this may cause damage to air filter. Wipe air filter carefully. Clean it with warm and wet cloth or with neutral detergent, then wipe it dry with clean and soft cloth. If air conditioner is very dirty, clean it with cloth soaked in neutral detergent, then wipe off the detergent with clean water. Don't use insecticide or other chemical detergents.

3. Preparation for installation

Installation tools

1 Screw Driver (flat head, wabbler, triangle)

2 Steel Saw

3 60mm Drill

4 Inner Hexagon Spanner

5 Shifting Spanner

6 Spanner

7 Pipe Cutter

8 Pipe Expander

9 Knives

10 Clippers

11 Leakage Checker or Soap Liquid

12 Measuring Tape

13 Scraper or File

14 Refrigeration Oil

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

4. Accessories for installation

Self-contained accessories

No. A B

Name of Parts

Non-adhesive Tape

Adhesive tape

CDEF

Connecting Hose

Heat

insulation material

Gypsum powder

Drain hose

5. Choose the installation place

Install the indoor unit where the weight of the unit can be supported.

Install the indoor unit where the heat source and steam source are not close and the unit inlet and outlet are not blocked.

Install the indoor unit where the drainage is easy and the outdoor unit can be easily connected.

Install the indoor unit where its cold air and hot air can be easily sent to all the comers of the room.

Install the indoor unit where the power socket is near and there is sufficient space around the indoor unit.

Install the indoor unit where there is no T.V set, radio set, and wireless applian ce underneath, and the sunlight lamp is over one meter away.

If the remote controller is installed on the wall, the indoor unit shall be ensured to receive the signal while the sunlight lamp is on.

6. Method for Cutting and Expanding Pipes.

When the pipe is too long or the mouth is damaged, the pipe needs to cut or expanded.

1.cutting hose 2.Removing burr 3.Put on nut 4.Expand Hose

A

Hose Expander

Correct Not Correct

cracks on expanded mouth

Expansion Size

Hose dia.

6.35 mm(1/4)

9.52 mm(3/8)

Size (mm)A

0.8-1.5

1.0-1.5

burr incomplete too longTilting

7. When the mounting plate is first fixed

1. Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against

the wall, then temporarily fasten the plate with one steel nail.

2. Make sure once more the proper level of the plate, by hanging a thread with a weight from the central

top of the plate, then fasten securely the plate with the attachment steel nail.

A=80mm

60mm

35

2-5mm

3. Making a Hole on the wall and Fitting the piping Hole cover.

Make a hole of 60mm in diameter, slightly descending to outside the wall. Install piping hole cover and seal it off with putty after installation.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

4. Drawing of pipe Rear piping

Draw pipes and the drain hose, then fasten them with the adhesive tape. Left Left-rear, piping. In case of left side piping, cut away, with a nipper, the lid for left piping. In case of left-rear piping, bend the pipes according to the piping direction to the mark of hole for left-rear piping which is marked on heat insulation materials. (1) Insert the drain hose into the dent of heat insulation materials of indoor unit. (2) Insert the indoor/outdoor electric cord from backside of indoorunit, and pull it out on the front side, then connect them. (3) Coat the flaring seal face with refrigerant oil and connect pipes. Cover the connection part with heat insulation materials closely, and make sure fixing with adhesive tape.

Indoor side

Wall hole

70mm

(Section of wall hole) Piping hole pipe

Lid for right piping

Lid for under piping

Lid for left piping

Fix with adhesive tape

Outdoor side

Thickness

of wall

Heat insulation material

signal wire

Drain hose

Indoor/outdoor electric cable

Indoor/outdoor electric cord and drain hose must be bound with refrigerant piping by protecting tape

Piping

Change-for-fresh-air tube

8. Other direction piping

Cut away, with a nipper, the lid for piping according to the piping direction and then bend the pipe according to the position of wall hole. When bending, be careful not to crash pipes. Connect beforehand the indoor/outdoor electric cable, and then pull out the connected to the heat insulation of connecting part specially.

Hang surely the unit body onto the upper notches of the mounting plate. Move the body from side to verify its secure fixing. In order to fix the body onto the mounting plate, hold up the body aslant from the underside and then put it down perpendicularly.

9. Indoor unit communication addresses setting

CAUTION! FAIL TO DO THIS, THE UNIT WILL NOT WORK.

1.There are two methods to set the communication address

A. Use the remote controller(default status in first installation). B. Use dip switches on the indoor unit PCB.

2. Address setting procedure when using the remote controller.

A. Set the addresses only after the successful installation of the refrigerant pipes and connecting cables, and open all the stop valves; B. Please confirm that the indoor units and the outdoor unit in the same system use the same power source; C. Power on the units, but put all the indoor units in the status of STANDBY; D. Please note that the address must be set as following: Indoor unit that connect to valve A, the address must be 1; Indoor unit that connect to valve B, the address must be 2; Indoor unit that connect to valve C, the address must be 3; E. Example: set unit A to address 1.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Continuously press the emergency switch for about 15 seconds, the buzzer will sound 4 times(PI PI PI PI) and then leave go of the switch. At this time, the indoor unit has entered the address setting procedure. But the LCD display board is blank. F. Use the controller to turn on the indoor unit. At this time, the controller should be changed from OFF to ON, and then the LCD display board will display number 1. That is to say, the address setting is enabled. G. Press the button SLEEP on the controller, the times you press it stands for the address you want to set, detailed as following: Press button SLEEP one time, the address is 1, and the LCD display board shows 1; Press button SLEEP two times, the address is 2, and the LCD display board shows 2; Press button SLEEP three times, the address is 3, and the LCD display board shows 3; H. Use the remote controller to turn off the unit, At this time, the controller should be changed from ON I. If you want to change the address, please repeat the above steps from E to G. J. After setting all the addresses, please power off the system and then power on again. Otherwise the system will not start to work. K. Once the addresses are successfully set, please do not change it any more to avoid confusion.

3. Address setting procedure when using the DIP switches SW01 and SW02.

A. The DIP switches SW01 and SW02 are on the indoor unit PCB. B. Before carrying out the address setting work, the system must be powered off. C. Take off the front panal and the filters, then take off the flaps and also the front cover,disconnect the swing motor connectors from the PCB and then take out the lower part of the PCB. D. Change the position of DIP 1 of SW01 from OFF to ON, if fail to do this, the addresses set by SW02 will not work. E. Use SW02 to set the addresses as following(DO NOT CHANGE OTHER DIP SWITCHES):

SW01

1 2 3 4 5 6 7 8

SW02

1 2 3 4 5 6 7 8

ON

OFF

INDOOR UNIT ADDRESS

ON

OFF

1

1 2 3 4 5 6 7 8

ON

OFF

2

1 2 3 4 5 6 7 8

ON

OFF

3

4. How to check the addresses?(necessary procedure)

When finish all the above works, please power off and power on again to the whole system but set all the indoor units in STANDBY. Then continously press the emergency switch until you hear the buzzer sound 5 times(Pi Pi Pi Pi Pi), and then the LCD display board will show the address of this indoor unit. Press any key on the remote controller, it will exit the address checking precedure.

10.Installation check and trial operation

Check the Layout of the Drain Pipe and Connection Wires, and also the piping and address setting. The drain pipe should be placed underneath, and the connection wires should be placed upside; and the drain pipe especially the section inside the machine and indoors must be wound up with insulating material to preserve heat. The drain pipe shall be sloped and no concave and convex shall occur along the whole pipe. And the cases as the right figure indicates shall not occur.

10.1 Installation check

Is power supply voltage required? Is water completely drained to outdoors? Are power wire and connection wires between indoor and outdoor units correctly connected? Is any gas leaked from the pipe connectors? Are series numbers of the terminals on the indoor and outdoor units corresponding to each other? Is the connection section of the auxiliary pipe insulated? Is the indoor unit fixed firmly? Is noise big?

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

10.2 Trial operation

The person who has completed this installation shall be requested to conduct a test operation for check: Is the temperature adjuster working normally? Does the location for installation conform to requirements? Winding up with Protective Plastic Tape.The connection pipes,drain pipe, and the connection wires shall be wound up with PVC tape. Notes: The connection pipes shall also be wound up with insulating material to preserve the temperature. The airing direction shall be from bottom to top.

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AS072/092/122XVERA

Commercial Air Conditioner Model: AU18/222XFERA

6. Parts and Functions

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+6= 6:84> 5=6884

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Air inlet grille

Front panel

Air inlet grille

Display board

Louver

-36-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

7. Remote controller YR-H65

20

19

18

17

24

23

16

15

11

HEALTH FAN

1

2

8

3

4

7 6

31

MODE

SLEEP

CLOCK

TIMER

RESET

2

o

TEMP

ON

OFF

HEALTH AIRFLOW

FRESH

CODE

SWING

SET

STERILIZE

LOCKLIGHT

B

A

21

22

27

28

25

26

14

12

30

13

9

29

5

10

TIMER Used to select TIMER ON, TIMER OFF, TIMER ON/OFF.

LOCK

5

Used to lock buttons and LCD display.

RESET

6

Used to reset the controller back to normal condition.

HOUR

7

Used to set clock and timer setting.

8

SLEEP

Used to select sleep mode

9

SET

Used to confirm Timer and Clock setting.

LIGHT

10 Control the light up and go out of

the control panel's background light source and control the

14 Used to set temp.,temp. range:16 C~30 C

15

16

17

18 19

20

21 22

23

24 25

4

switch of the buzzer.

Power ON/OFF

1

Used for unit start and stop.

MODE

2

Used to select AUTO run,COOL, DRY, HEAT and FAN operation.

CLOCK

3

Used to set correct time.

Note: This model does not have the following related display and function

11

HEALTH

Used to set Health operation function

12

FAN Used to select fan speed: AUTO, LOW FAN, MED FAN, HIGH FAN.

13

SWING Used to set UP/DOWN air sending and RIGHT/LEFT air sending direction.

26

27

28

29

30

31 For this unit, please set to code A

TEMP

Timer ON/OFF display

Fan speed and air sending direction display

LOW MID HIGH AUTO

Swing direction display

Room temperature display

Sleep state display

Health display Display when set Health operation function.

Electric Heating display

Fresh Air state display Battery Capacity display Display when the electric power of the battery is insufficient.

Lock state display Temperature display

Used to display the set temperature

Clock display Humidifying display

Sterilize display (This function is optional)

STERILIZE (This function is optional)

HEALTHAIRFLOW Used to set healthairflow

CODE A/B selection

23

21

18

27

Clock set

When unit is started for the first time and after replacing batteries in remote controller, clock should be adjusted as follows: Press CLOCK button, "AM"or "PM" flashes.

MODE

HEALTH AIRFLOW

SLEEP

FRESH

SWING

CLOCK

TIMER

1

RESET

SET

STERILIZE

3

2

LOCKLIGHT

CODE

Press or to set correct time. Each press will increase or decrease 1 min . If the button is kept pressed, time will change quickly. After time setting is confirmed, press SET, "AM" and "PM" stop flashing, while clock starts working.

Remote controller's operation

When in use, put the signal transmission head directly to the receiver hole on the indoor unit The distance between the signal transmission head and the receiver hole should be within 7m without any obsacles as well. Don't throw the controller, prevent it from being damaged. When electronic-started type fluorescent lamp or change-over type fluorescent lamp or wireless telephone is installed in the room, the receiver is apt to be disturbed in receiving the signal so the distance to the indoor unit should be shorter.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Loading of the battery

Slightly press " " and push down the cover. Load the batteries as illustrated. 2 R-03 dry batteries, (cylinder) Be sure that the loading is in line with the "+"/"-" pole request as illustrated. Put on the cover again.

MINUTES

Confirmation indicator:

In disorderation, reload the batteries or load the new batteries

2R-03 dry batteries

after 5 mins.

Note:The waster batteries should be disposed properly,use two

new same-type batteries when loading. If the remote controller cant function normally or doesnt work at all,use a sharp-pointed item to press the reset key. Hint:Remove the batteries in case unit wont be in usage for a long period. If there are any displays after taking-out just need to press reset key. When throw away the waste batteries, please perform in accordance with the local regulation.

Auto operation

1

Press ON/OFF button

HEALTH

A

TEMP

ON

OFF

5

HEALTH AIRFLOW

MODE

RRESH

SLEEP

2

CLOCK

TIMER

CODE

RESET

1

STERILIZE

SWING

SET

LOCKLIGHT

3

FAN

4

Remote controller

Unit starts running. The previous status appears on the display(except. TIMER, SLEEP mode)

2

Press MODE button. For each press, operation mode changes as follows:

AUTO COOL DRY FAN HEAT

Select Auto run, " " appears and auto run starts.

3

Select temp. button Press TEMP button Every time the button is pressed, temp. setting increases 1 C Every time the button is pressed, temp. setting decreases 1 C If the button is kept pressed, setting will increase or decrease quickly.

4

Press FAN,For each press, operation mode changes as follows:

Remote controller

LOW MID HIGH AUTO

Unit runs at the speed displayed on LCD. When fan speed is AUTO,it is changed automatically according to the indoor temperature.

5

Press ON/OFF button Unit stops running.

Note: During Auto run operation, temp. setting will be shown in LCD display, unit will select heating, cooling or fan operation according to the room temp.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Cooling operation

1

Press ON/OFF button

A

Unit starts running. The previous status appears on the display(except. TIMER, SLEEP mode)

2

Press MODE button. For each press, operation mode changes

as follows:

TEMP

3

HEALTH

ON

OFF

1

5

HEALTH AIRFLOW

MODE

FRESH

SLEEP

2

CLOCK

TIMER

RESET

CODE

SWING

SET

STERILIZE

LOCKLIGHT

Dry operation

3

FAN

4

Remote controller

AUTO COOL DRY FAN HEAT

Select cooling operation, Shows" "

3

Select temp. button

cooling operation starts.

Press TEMP button Every time the button is pressed, temp. setting increases 1 C Every time the button is pressed, temp. setting decreases 1 C If the button is kept pressed, setting will increase or decrease quickly.

4

Press FAN button. For each press, fan speed changes as follows:

Remote controller

LOW MID HIGH AUTO

Unit runs at the speed displayed on LCD. When fan speed is AUTO,it is changed automatically according to the indoor temperature.

5

Press ON/OFF button Unit stops running,and when entry this mode for the next time,it will show the previous setting.

3

HEALTH

1

Press ON/OFF button

A

Unit starts running. The previous status appears on the display (except. TIMER, SLEEP mode)

2

Press MODE button. For each press, operation mode changes as follows:

Remote

TEMP

ON

OFF

1

MODE

HEALTH AIRFLOW

SLEEP

FRESH

2

CLOCK

TIMER

5

3

FAN

4

SWING

SET

STERILIZE

controller

Select Drying operation shows" " Dry operation starts

3

Select temp. button Press TEMP button Every time the button is pressed, temp. setting increases 1 C Every time the button is pressed, temp. setting decreases 1 C

AUTO COOL DRY FAN HEAT

If the button is kept pressed, setting will increase or decrease quickly.

4

RESET

CODE

LOCKLIGHT

Press FAN button. For each press, fan speed changes as follows:

Remote controller

LOW MID HIGH AUTO

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Unit runs at the speed displayed on LCD. In DRY mode, when room temp.becomes 2 C lower than temp. setting,unit will run intermittently at LOW speed regardless of FAN setting.

Fan operation

A

TEMP

ON

HEALTH

OFF

1

4

HEALTH AIRFLOW

MODE

FRESH

SLEEP

2

CLOCK

TIMER

CODE

RESET

3

SWING

SET

STERILIZE

LOCKLIGHT

5

Press ON/OFF button Unit stops running, and when entering this mode for the next time, it will show the previous setting

1

Press ON/OFF button

COOL operation starts when room temp. is higher than temp. setting.

Temp.setting+2 C

Temp.setting

On reaching 2 C lower than temp. setting,unitwill run in mild DRY mode.

Ultra-low air flow

Unit starts running. The previous status appears on the display (except. TIMER, SLEEP mode)

2

Press MODE button. For each press,operation mode changes as follows:

Remote controller

AUTO COOL DRY FAN HEAT

Select Fan operation shows " ", Fan operation starts.

3

FAN

Press FAN button. For each press, fan speed changes as follows:

LOW MID HIGH

Unit runs at the speed displayed on LCD.

4

Press ON/OFF button Unit stops running, and when entering this mode for the next time, it will show the previous setting.

Note: In this mode, temp. can't be selected, temp.setting will not be shown in LCD display.In Fan operation mode, "AUTO" fan speed is not available. Operation cycles are as follows:

LOW MID HIGH

Heating operation

Note: For cooling only type, this function is invalid.

1

Press ON/OFF button Unit starts running. The previous status appears on the display (except. TIMER, SLEEP mode)

2

Press MODE button. For each press,operation mode changes as follows:

AUTO COOL DRY FAN HEAT

Select Heating operation " " appears and Heating operation starts.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

3

HEALTH

A

3

Select temp. button Press TEMP button

Every time the button is pressed, temp. setting increases 1 C Every time the button is pressed, temp. setting decreases 1 C

If the button is kept pressed, setting will increase or decrease quickly.

4

TEMP

ON

OFF

1

HEALTH AIRFLOW

MODE

FRESH

SLEEP

2

CLOCK

TIMER

CODE

RESET

5

SWING

SET

STERILIZE

LOCKLIGHT

3

FAN

4

Press FAN button. For each press, fan speed changes as follows:

LOW MID HIGH AUTO

In heat mode,warm air will blow out after a short period of time due to colddraft prevention function.

5

Press ON/OFF button Unit stops running, and when entering this mode for the next time, it will show the previous setting.

Air flow adjustment

Swing louvers (Vertical louvers) (Horizontal louvers)

A

TEMP

HEALTH

RESET

MODE

SLEEP

CLOCK

TIMER

ON

OFF

HEALTH AIRFLOW

FRESH

CODE

FAN

1

SWING

SET

2

STERILIZE

LOCKLIGHT

Up and down

Position 1

Position 2

Position 3

Position 4

Position 5

Position 6

[COOL/DRY/FA N/AUTO(COOL) HAVE NOT]

(AUTO SWING)

Side from side

Position 1

Position 2

Position 3

Position 4

Position 5

Position 6

Position 7

Position 8

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Fixed position

Side from side

Press the SWING again to fix the vertical louvers at your desired position.

Swing

Press SWING the vertical louvers move from side to side.

Press SWING the horizontal louvers move from up to down.

Fixed position

Press the SWING again to fix the horizontal louvers at your desired position.

Note:

Put louvers at up position in cooling and down position in heating mode. This will be helpful to keep an even room temp.

Notice:

In cooling or dry operation, don't put horizontal louvers at downward position for a long time, or outlet grill might get frosted. Don't expose your skin to cool or warm air for a long time.

Sleep operation

Remote control unit

Before go to bed, you can press the Sleep button, the air conditioner will operate in comfortable sleep mode to make your sleep more comfortable.

Usage of the Sleep function

After starting, set the Run mode and press the Sleep button.

Run mode

1. In cooling and dry

After starting of the Sleep operation, the temperature will be raised for 1 C higher than the set temperature 1 hour later,and be raised for 1 C after another hour. It continues under that condition for 6 hours, then the machine will be switched off. The temperature is higher than the set temperature so as to avoid catching cold in sleeping.

The Sleep running starts The Sleep running stops

About 6 hours

Raise 1 C

In cooling and dry

Close down the machine

Set the temperature

1 hour

2. In heating ( the single-cooling conditioners do not have the function) After the Sleep running starts, the temperature will drop for 2 C after another one hour. The temperature

will raise for 1 C after 3 hours running under the above temperature, and the conditioner will be closed down after running for 3 hours. The temperature is lower than the set temperature so as to avoid uneasiness in sleeping.

3. In automatic running

The conditioner will run under automatically selected working mode of sleeping.

4. In Fan running

The Sleep function is invalid.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

A

Set the temperature

Close down the machine

HEALTH

RESET

MODE

SLEEP

CLOCK

TIMER

TEMP

ON

OFF

HEALTH AIRFLOW

FRESH

CODE

SWING

SET

STERILIZE

LOCKLIGHT

1 hour

FAN

The Sleep running starts

Drop for 2 C

1 hour

Drop for 2 C

3 hours

In heating

About 3 hours

Raise 1 C

The Sleep running stops

TIMER ON/OFF operation

Remote control unit TIMER operation

Set Clock correctly before starting Timer operation (refer to page 2) You can let unit start or stop automatically at following times: Before you wake up in the morning, or get back from outside or after you fall asleep at night.

TIMER ON/OFF

(1) After unit start, select your desired operation mode.

Operation mode will be displayed on LCD.

(2) TIMER mode selection

Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows:

Remote

controller

AM

12:00

TIMER ON

PM

12:00

TIMER OFF

AM

12:00

TIMER ON-OFF

PM

12:00

Select your desired TIMER mide (TIMER ON or TIMEROFF) ON or OFF will flash.

ON ONOFF OFF

BLANK

HEALTH

2

MODE

SLEEP

CLOCK

TIMER

RESET

TEMP

ON

OFF

1

HEALTH AIRFLOW

FRESH

3

4

CODE

5

SWING

SET

STERILIZE

LOCKLIGHT

A

FAN

6

(3) Timer setting

Press HOUR / button. Every time the button is pressed, time increases 1 min, If button is kept

pressed, time will change quickly. Every time the button is pressed, time decreases 1 min, If button is kept pressed, time will change quickly. Time will be shown on LCD. It can be adjusted within 24 hours.

(4) Confirming your setting

After setting correct time, press SET button to confirm, " " or " " stops flashing.

ON

OFF

Time displayed: Unit starts or stops at x hour x min (TIMER ON or TIMER OFF) Timer mode indicator on indoor unit lights up.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

To cancel TIMER mode

Just press TIMER button several times until TIMER mode disappears.

Hints

After replacing batteries or a power failure happens, Time setting should be reset. Remote controller possesses memory function when use TIMER mode next time, just Press SET button after mode selecting if timer setting is the same as previous one.

Health & Fresh Air operation

HEALTH

RESET

MODE

SLEEP

CLOCK

TIMER

1

HEALTH AIRFLOW

CODE

TEMP

ON

OFF

FRESH

LIGHT

SWING

SET

STERILIZE

LOCK

A

Health operation

After turning on the unit and set the desired working mode. Press the Health button, the LCD will display " ", the unit begins health operation (start the negative ion generation device). Press the Health button again, the " " displayed on the LCD disappears, health operation is cancelled (turn off the negative ion generation device).

Note: When indoor fan motor does not work, the unit will automatically turn off negative ion generation device.

FAN

About Health operation

After the start of Health operation, the negative ion generator will generate large amount of negative ion, which can effectively balance the amount of positive & negative ion in the air and has the bacteria-killing and accelerating the dust deposition of the room to make the room air fresh and healthy.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

8. Refrigerant Diagram

Tc2A

C

Tc1

WAY - A

WAY - B

Tc2B

Tc2C

WAY - C

TmATmB

TmC

TaiA

Tc1D

TaiB

Tc1C

TaiC

PMV-A

PMV-B

PMV-C

CAPILLARY

ACCUMULATOR

4-WAY

VALVE

LP SWITCH

Ts

STRAINER

Td

Te

TOCI

Tc

Tao

MUFFL ER

HP SWITCH

HEATER

COMPRESSOR

-45-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

1 Heater 220V, 35W Heat up the compressor when system stops to avoid liquid compressing and liquid flood-back

No. Main Part Nam e Speci ficati on For what purpose?

2 Compressor dc inv erter Drive the system to realize the refrigerant circulation

Main part explanation:

For target SH control and high discharge temprature protection

@

50K@80

3 Td sensor

4 HP switch 4.5 / 3.7Mpa Cut off the system when discharge pressure is too high to protect system

To calculate the temperature difference between the inlet and outlet of the indoor unit to control the

For target super heating control when heating

For high pressure/ frequency/ outdoor fan speed control when cooling

For target frequency range and heater control

For defrost operation and low pressure control when heating

@

10K@25

23K@25

10K@25

5 4-WAY valve / Cooling / heating swtiching

6 Toci sensor

7 Tc sensor

8 Tao sensor

9 Te sensor

10 PMVs 1.5mm, 500PLS Refrigerant distributioin and target SH(cooling) and SC(heating) control

11 LP switch 0.05 / 0.15Mpa Cut off the system when suction pressure is too low or system serious leakage to protect system

To calculate the target SH and SC, and control the start up of the compressor

To calculate the real super heating value together with Tout to operate the PMVs, for target

compressor frequency control and low pressure protection when cooling

To calculate the real super cooling value together with Tin to operate the PMVs, for target compressor

frequency control and high pressure control when heating

To calculate the real super heating value together with Tin to operate the PMVs

@

10K@25

12 Accumulator 1.5L Separate the liquid refrigerant and gas refrigerant in suction line to avoid liquid flood-back

13 Ts sensor

14 Tc2

@

10K@25

15 Tm

@

10K@25

16 Tc1

target rrequency and THERMO. ON or OFF.

@

23K@25

17 Tai

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

9. Electrical Control Functions

Outdoor electric control functions:

1. Switch setting and functions:

2. Defination of 4-bit dip switch SW5 on failure indicator board:

3. Main control functions

3.1 Refrigerant diagram

No Item

A8

C1

C2

C3

C4

C8

1 2 3 4 Defination

OFF OFF OFF OFF State when out of factory (normal state)

OFF ON OFF OFF

ON OFF OFF OFF

OFF OFF ON OFF

Set in factory

Switch function: SW5-1---outdoor fan motor selection, ON: DC fan motor; OFF: AC fan

motor Switch function: SW5-2---defrosting data setting, ON=6degree, OFF＝8degree (set

when out of factory).

For the place where is easy to frost, it is 6 degree; for the place hard to frost, it is 8

degree. Switch function: SW5-3，SW5-4---piping length selection, the set data is M when out of

factory. S（SW5-3=OFF SW4=ON） L（SW5-3=ON SW4=OFF）

- （SW5-3=ON SW4=ON） M（SW5-3=OFF SW4=OFF） Switch function: SW5-5，SW5-6---outdoor horse power selection (for different outdoor,

the current limitation is different too. The corresponding selection must be taken, or

the module protection will occur. )

2HP（SW5-5=OFF SW5-6=ON） 2.5HP（SW5-5=ON SW5-6=OFF） 3HP （SW5-5=ON SW5-6=ON） 3.5HP（SW5-5=OFF SW5-6=OFF） Switch function: SW5-7，SW5-8：

SW5-7－pre-set, set as OFF when out of factory. SW5-8－silent operation function, ON---available, OFF---not available (set when

out of factory)

When it is ON, the max. fan speed is Class-6, and the max. running frequency is 10Hz.

Set in factory

Compulsory cooling: frequency 60HZ, outdoor fan motor Class-7, fixed open angle

300, the others are in normal state

Compulsory heating: frequency 50HZ, outdoor fan motor Class-5, fixed open angle

300, the others are in normal state

Rated operation: auto changeover for cool/heat, max. frequency 53HZ(E) in cooling,

and max. frequency 72HZ(E) in heating, the frequency is set automatically in other

states.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Te

Tc

HPSW

Toci

Tao

TinC

TmC

L P S W

T

d

Ts

TaiC

TouC

TaiB

TmB

TinB

TouB

TinA

TmA

TaiA

TouA

3.2 Outdoor frequency control

3.2.1 Compressor running frequency range: 20~90RPS

3.2.2 Defination of high-efficiency operation and its frequency control

In order to meet the cooling request at high ambient temperature and the heating request at low ambient

temperature, we set the high-efficiency operation. Entering condition: cooling mode, Tao≥33℃(E), heating mode, Tao≤5℃(E).

3.3 Electronic expansion valve (EEV) control

3.3.1 Electronic characteristic

Max. open angle 500 pulse

Driving speed PPS

3.3.2 Initialization of EEV

EEV driving speed: open direction: 32MS; close direction: 32MS

3.3.3 Open angle limitation of EEV

Unit stop Adjustable upper

Cool/dry

heat

5（E） 450（E）

60（E） 450（E）

limitation

3.3.4 Standard open angle control In Cool/Dry mode, standard open angle: outdoor ambient temp.≥20℃, 250 pulse(E);

In Heat mode, standard open angle: outdoor ambient temp.≥10℃, pulse (E);

Outdoor ambient temp.＜20℃, 210 pulse(E);

outdoor ambient temp.＜10℃, 210 pulse (E).

3.3.5 When discharging temp. Td is too high, modify the EEV angle.

In order to cooperate the compressor discharging temp. over high protection, the system will enlarge the

EEV open angle. Within 5 minutes after compressor starts up, it will not modify. The detecting period is 30

seconds.

Cooling mode Indoor modification angle

100℃<discharging temp.

+50degree/30seconds, it will stop until up to the max. permitted

90℃< discharging temp.<=100℃

Thermostat ON Thermostat

OFF

standard open

5（E） 80（E）

angle+tolerance

standard open

60（E） 80（E）

angle+tolerance

opening angle

Keep the angle

Adjustable lower

limitation

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

100℃< discharging temp.

90℃< discharging temp.<=100℃

3.4 4-way valve control in heating

Protection when 4-way valve can not reverse in heating:

10 minutes later after compressor startup, if indoor coil average temp. is below 15degree and keeps for 1

minute, the unit will stop and occur the 4-way valve protection.

compressor ON

OFF

4-way valve ON

OFF 15s（E） 2minutes and 55s

3.5 Electric heater control

If compressor has not run for a long time, the refrigerant will deposit on the bottom of compressor and mix

with the refrigeranr oil. When re-startup, because low pressure reduces, refrigerant will be segregated

from the refrigerant oil and cause soam in the oil, which will make compressor exhaust a lot of oil.

Therefore please stop heating the compressor bottom to ensure the low pressure in startup period should

not go down greatly.

 Ambient temp. TA≤27degree, when compressor stops, the electric heater will be electrified.  When TA≥32degree, or compressor running, the electric heater will be off.

Heater ON OFF Ambient temp. TA(℃) 27 32

3.6 Control of liquid spray valve SV2:

According to the compressor discharging temp., open or close the SV2. ①Control condition: A. In every mode (including defrosting and oil return operation), the control can work.

B. In 3 minutes after compressor startup, ignore the abnormal compressor suction and discharging value. ②3 minutes later after compressor startup, according to the discharging temp., the following procedure

will be taken:

Td≤90℃, SV2 close; Td＞110℃, SV2 open. ③In 150 seconds when compressor stops, in order to keep the system in balanc, please open the liquid

spray valve SV2. 150 seconds later after compressor stops, SV2 close.

3.7 Control of defrosting in heating

In heating mode, defrosting temp. sensor will check the frosting condition of outdoor heat exchanger and

make defrosting control.

3.7.1 Enter condition: ①In heating mode, if the compressor has run for 10 minutes continously and run for 45 minutes in all, the

system will measure the defrosting temperature sensor Te and outdoor ambient temp. sensor TA, if the

below condition can be met for continous 5 minutes, the unit will enter defrosting operation:

<=90℃

Heating mode Indoor modification angle

<=90℃

-5degree/30seconds, and reduce to 0 degree gradually

+50degree/30seconds, it will stop until up to the max. permitted

opening angle

Keep the angle

-5degree/30seconds, and reduce to 0 degree gradually

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

According to SW2, the setting is as follow: in the place easy to frost, it is H; when out of factory, it is M.

②Defrosting entering condition: -15℃≤C×TA－α≤-2℃ ③Stop and Pause condition of compressor running accumulative time in heating mode:

Checking Stop: running operation changes from heating to cooling.

Checking Pause: thermostat OFF, or the unit stops.

3.7.2 Cancel condition:

It will take the max. 10 minutes from beginning defrosting to quit it. Te sensor will measure the condition of outdoor heat exchanger, if the temp. is over 7℃ for 60 seconds in all or is up to 12℃ for 30 seconds in all,

the defrosting will be over.

3.7.3 Compulsory defrosting control

Enter condition: in heating mode, after receiving the compulsory defrosting signal from indoor unit, the unit

will perform the compulsory defrosting operation. Cancel condition: Te≥12℃ and keep for 1 minute or the defrosting time is over 10 minutes.

The manual defrosting signal of indoor unit will remain until the outdoor enters defrosting mode.

Note: When outdoor compressor not running, the unti still can enter manual defrosting, but it will comply

with the 3-minute protection of compressor.

Herein: C：TA＜0℃，C=0.8 TA≥0℃，C=0.6

Jumper

selection

α(℃)

M(out of factory) H

Te≤C×TA－α

8(E) 6(E)

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

3.7.4 Defrosting operation flow chart

fixed frequency indicated FQY 60s defrosting FQY 80 Hz（E） 60s soft startup

compressor

0HZ 0HZ

5s

OFF

OFF 15s

ON

Spray valve SV2 OFF

450-pulse 450-pulse

350-pulse(E)

all indoor motors ON

outdoor motor ON send defrosting signal to indoor Auto

4-way valve ON

all EEVs auto open angle auto open angle

OFF anti-cold air function

beginning end

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g

p

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

3.8 Frequency control when Td is too high

Purpose: make compressor frequency control if the discharging temp. is too high, to lower the discharging

temp. efficiently and ensure the system can run normally.

3.9 Frequency control when there is CT over current protection

120℃

. TD

115℃

tem in

110℃

105℃

Dischar

100℃

95℃

1.0 I

0.95I

0.93I

0.90I

0.88I

0.85I

If keeping for 10s, the unit stops, 3 minutes later, the unit can

re-startup. If in 60 minutesthe unit occurs alarm for 3 times, the

failure can be eliminated.

Reduce FQY rapidly 2HZ/S

Reduce FQY rapidly 1HZ/S

Reduce FQY slowly 1HZ/10S

Remain FQY

Increase FQY slowly 1HZ/10S

Stop immediately, if abnormal stop 3 times in 1 hour, the

unit will stop and alarm.

Reduce FQY rapidly 2HZ/S

Reduce FQY rapidly 1HZ/S

Reduce FQY slowly 1HZ/10S

Remain FQY

Increase FQY slowly 1HZ/10S

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

3.10 High pressure protection

When the input signal of pressure switch is high level:1, that shows there is no protection.

When the input signal of pressure switch is low level: 0 for 1 minute, that shows high pressure protection

works. At this time, compressor stops, outdoor will send the alarm signal. The alarm can be resumable. If

in 60 minutes, the failure occurs 3 times, the failure can be confirmed and send failure code to indoor.

Meanwhile, by controling the max. condensate temp. Tc (cooling) or TmAVE (heating), please confirm as

follow:

In nominal cooling/dry/heating mode, high pressure can be controlled by limiting the max. frequency.

3.11 Low pressure protection

(1) When compressor is running, if output signal of low pressure switch is low level: 0 for 1 minute

(2) When compressor no running, if output signal of low pressure switch is low level: 0 for 30 seconds

·When unit stops, the reason that system still checks the low pressure : in a long time stop, make

·The reason that low pressure switch action time is 30 seconds: when compressor stops, low pressure

does not change, so it will be shorter than the set time in operation.

(3) When compressor starts up, in 8 minutes, low pressure switch signal will be shielded.

(4) In defrosting, low pressure switch will be shielded.

(5) In oil return procedure, low pressure switch will be shielded.

(6) In the refrigerant discharging procedure after the oil return in cooling is over, low pressure switch will

be shielded.

In addition, the system will control low pressure through the evaporator temp. TE to realize the low

pressure protection function.

Condensing temp.

70℃

68℃

66℃

64℃

62℃

60℃

Keep for 5 seconds, stop to alarm, after 3-minute standby, the

unit can restartup. In 3 minutes it occurs 3 times continously,

unit will stop to alarm and the failure can be resumed after being

electrified again.

Reduce FQY rapidly 2HZ/S

Reduce FQY rapidly 1HZ/S

Reduce FQY slowly 1HZ/10S

Remain FQY

Increase FQY slowly 1HZ/10S

continously, compressor will stop,outdoor alarms. The alarm can be resumable. If in 60 minutes, the

failure occurs 3 times, the failure can be confirmed and send failure code to indoor.

continously, alarm will occur.

protection for the compressor on the condition of great refrigerant leakage.

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t

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

In cooling, confirm through Tc2AVE:

In heating, confirm through defrosting temp. Te:

Te

If the failure is not confirmed as the permanent protection, outdoor will not send failure code to indoor, and

indoor will not alarm.

TinAVE

-30℃

-35℃

-40℃

-45℃

-50℃

-25℃

-30℃

-35℃

-40℃

-45℃

Normal operation

Min. running FQY 20HZ

SV2 OFF & 20HZ

SV2 ON & 20HZ

Keep for 5 seconds, unit stops and alarm

occurs. 3 minutes later, restart up. If i

occurs 3 times in 1 hour, it will always

alarm and stop, electrify again and failure

will be cleared.

Normal operation

Min. running FQY 20HZ

SV2 OFF & 20HZ

SV2 ON & 20HZ

Keep for 5 seconds, unit stops and

alarm occurs. 3 minutes later, restart

up. If it occurs 3 times in 1 hour, it will

always alarm and stop, electrify again

and failure will be cleared.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Indoor electric control functions:

Note: The following functions are applicable for the unit in normal state.

1. Parameter input:

1.1 Analog data input:

1.1.1 Indoor temperature sensor input (TA): 1-way, 23KΩ at 25℃

1.1.2 Indoor coil outlet temp/inlet temp (TC1: gas pipe, TC2: liquid pipe): 2-way, 10KΩ at 25℃

1.1.3 Indoor middle coil temp. (Tm): 1-way, 10KΩ at 25℃.

1.2 Functional switch setting:

1.2.1 Central control address setting and indoor communication address setting: 8-way (SW01), the detailed definition is as follow: 0-OFF, 1-ON

AS072~AS122XVERA:

SW01

[1] [2] [3] [4] [5] [6] [7] [8]

-- 0 0 0 0 0 0 0 Central control address=1

-- 0 0 0 0 0 0 1 Central control address =2

-- 1 1 1 1 1 1 0 Central control address =127

-- 1 1 1 1 1 1 1 Central control address =128 0 -- -- -- -- -- -- -- Indoor communication address set by

1 -- -- -- -- -- -- -- Indoor communication address set by dip

SW02

[1] [2] [3] [4] [5] [6] [7] [8]

0 0 -- -- -- -- -- -- AS072 capacity selection 0 1 -- -- -- -- -- -- AS092 capacity selection 1 0 -- -- -- -- -- -- AS122 capacity selection

-- -- 0 0 -- -- -- -- LCD display board (LCD remote

-- -- 1 1 -- -- -- -- LED display board (LED remote

-- -- -- -- 0 -- -- -- Room card function valid

-- -- -- -- 1 -- -- -- Room card function unavailable

-- -- -- -- -- 0 0 0 Indoor communication address 1

-- -- -- -- -- 0 0 1 Indoor communication address 2

-- -- -- -- -- 0 1 0 Indoor communication address 3

-- -- -- -- -- 0 1 1 Indoor communication address 4

-- -- -- -- -- 1 0 0 Indoor communication address 5

-- -- -- -- -- 1 0 1 Indoor communication address 6

-- -- -- -- -- 1 1 0 Indoor communication address 7

-- -- -- -- -- 1 1 1 Indoor communication address 8

---- ----

remote controller

switch

receiver)

-55-

description

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Note: The above dip switches are correlative to the system security, so please confirm the conformity between the unit and the dip switch. The incorrect dip switch setting will result in the system wrong operation or the wrong failure diagnosis.

2. Cooling operation

2.1 The set temperature in cooling: TS=the set temp. on remote controller

2.2 After cooling startup, indoor unit will send the frequency code to outdoor according to the temp. difference between the set temp. and the ambient temp.

3. Heating operation

3.1 In heating operation, the set temp. TS=the set temp. on remote controller

3.2 After heating startup, indoor unit will send the frequency code to outdoor according to the temp. difference between the set temp. and the ambient temp.

4. Dry operation Room temp.-(set temp.+ tolerance) ＞2℃, indoor operation is identical to the cooling operation, and sends the cooling operation signal to outdoor. Room temp.-(set temp.+ tolerance) ≤2℃, indoor unit sends the dry operation signal to outdoor. Room temp. ＜16℃, indoor unit stops running and sends stop-unit signal to outdoor.

5. Fan operation Indoor fan motor will run as the fan speed set on the remote controller and indoor unit will send the stop-unit signal to outdoor.

6. Auto operation If the unit enters Auto mode for the first time, the system will adjust the operation mode according to the room temp. and the set temp. When room temp.≥set temp., entering cooling mode; When room temp.＜set temp., entering heating mode. Mode conversion will be confirmed after compressor has stopped for 15 minutes.

7. Abnormal operation When outdoor modes from the request of indoor unit conflict, the one entering firstly will take priority. After indoor receives the ON command from remote controller, it will firstly confirm the outdoor current operation mode. If they are the same mode, indoor unit will run as the request of remote controller. If they are different modes, the system will forbid to operate, and indoor will keep the OFF mode. After setting on remote controller, if the buzzer sounds two times, that shows abnormal operation. Indoor will run until the outdoor mode and the requested mode of remote controller are the same.

8. Compensation control for discontinuous operation After the unit starts up in cooling/heating mode, in 3 minutes, the compressor run/stop will not be controlled by the room temp., but after changing the set temp., if compressor stop condition can be met, the system will stop compressor immediately.

9. Anti-cold air control In heating mode, after compressor startup, the system will control indoor fan motor according to indoor coil temperature. At the beginning of startup, the indoor fan motor can run only when indoor mid-coil temp. is over 28℃(±2℃). When indoor mid-coil temp. goes down to 18℃(±2℃), indoor fan motor will stop running.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

In defrosting period, indoor fan motor will stop running; In heating mode, if unit shutoff, indoor fan motor will stop after running for 30 seconds at super low speed. Note: The above temp. point has taken fuzzy control, and has tolerance ±2℃ according to the different state.

10. Fan motor control in defrosting

10.1 On receiving outdoor defrosting signal, indoor unit will stop after blowing remaining heat at slow speed for 20 seconds.

10.2 In defrosting period, indoor fan motor stops running.

10.3 Defrosting is over, and indoor motor will run as anti-cold air state.

11. Blowing remaining heat operation When the unit shuts off in heating mode or the thermostat is OFF, indoor motor will stop running after running at super low speed for 30 seconds.

12. Anti-freezed protection (invalid in heating mode) When compressor has run for over 5 minutes, to prevent indoor evaporator freezing (in cooling/dry mode), if indoor mid-coil temp. is below 0 degree, compressor will stop. When indoor mid-coil temp. is over about 10 degree, the unit can run. After compressor has stopped for 3 minutes, the unit can re-start up. Note: The above temp. point has taken fuzzy control, and has tolerance ±1℃ according to the different state.

13. Overload protection in heating mode It is valid only in heating mode, if indoor mid-coil temp. is over about 65 degree continuously for 10 seconds, indoor will stop; while when indoor mid-coil temp. is below 52 degree, indoor will resume. Note: The above temp. point has taken fuzzy control, and has tolerance ±1℃ according to the different state.

14. Timer operation TIMER ON/TIMER OFF/TIMER ON/OFF. Timer will count according to the time difference between the TIMER clock and the present clock. In TIMER state, TIMER indicator will be ON.

15. SLEEP function In cooling/dry mode, after running for 1 hour, the set temp. will increase 1℃, another 1 hour later, the set temp. will increase 1℃ again, then 6 hours later, it will stop. In heating mode, after running for 1 hour, the set temp. will reduce 2℃, another 1 hour later, the set temp. will reduce 2℃ again, then 3 hours later, the set temp. will increase 1 ℃, and another 3 hours, it will stop.

16. Auto-restart function In 5 seconds, press SLEEP button 10 times continuously, the buzzer will sound 4 times and enter auto-restart function. In 5 seconds, press SLEEP 10 times continuously, the buzzer will sound twice and quit auto-restart function. If no SLEEP button, press SWING as the same method.

17. Setting indoor unit number In OFF state, press emergency switch until 15 seconds later, the buzzer sounds 4 times, indoor will enter the indoor unit number setting state, the set method is as follow:

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Press ON/OFF button (from OFF mode to ON mode), the times of SLEEP button to be pressed is the set unit number , then press ON/OFF button to quit unit number setting state, at this time, indoor unit is at OFF state, the display panel will display this unit number. For example, press SLEEP button once, it is No. 1 unit; press twice, it is No. 2 unit, and so on. In OFF state, press emergency switch until 15 seconds later, the buzzer sounds 5 times, the display panel will display this unit number and you can check if there are repeated numbers.

18. Setting method of temperature compensation Set the temperature compensation in heating mode with the remote controller. No compensation in cooling mode. In 24℃ heating mode, press SLEEP button 8 times continuously, indoor buzzer sounds 5 times, that shows temp. compensation works. Switch on the unit in heating mode by the remote controller, press TEMP button to set the set temp., so temperature compensation=the current set temp. - 24℃. For example, if the set temp. is 24℃, the temp. compensation is 0℃; if the set temp. is 25℃, the temp. compensation is 1℃. Please do not set the minus temp. compensation, that is to say the min. temp. compensation is 0℃. If setting is finished, press ON/OFF button, then indoor buzzer will sound 4 times, that shows the unit quits the temp. compensation.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

10. Diagnostic information and troubleshooting

Indoor failure code

TROUBLE SHOOTING

Faulty temperature sensor Tai 1

Faulty temperature sensor Tc1 2

Faulty temperature sensor Tc2 3

Faulty temperature sensor Tm 4

Faulty EEPROM on indoor

Abnormal communication between indoor and outdoor unit

Indoor unit address repeated 9 Wrong setting of indoor unit address

Central control address repeated 10

Faulty indoor unit fan motor 11

Faulty driver of indoor unit

Malfunction on outdoor unit 20

FAILURE CODE

Sensor disconnected, or broken, or at wrong

Sensor disconnected, or broken, or at wrong position, or short circuit

Sensor disconnected, or broken, or at wrong

Sensor disconnected, or broken, or at wrong position, or short circuit

5

6

12 Faulty indoor unit PCB

Faulty indoor unit PCB

Wrong connection, or the wires be disconnected, or wrong address setting of indoor units, or faulty PCB, or faulty power supply

Wrong setting of centralized control indoor unit

Fan is blocked, or the terminal is disconnected from the PCB, or faulty indoor unit PCB

Check the outdoor unit

POSSIBLE REASONS

Note:

1. Please contact the installers or distributors when trouble happens.

2. Turn the power off and power on again, if the failure code recurs, please change the indoor unit PCB.

3. Failrue codes maked with* are resumable.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Outdoor trouble shooting

FAILURE CODE

1

2

3

4

5

6

9

10

11

12

13

15

16

17

STATE OF LED 5-4-3-2-1

TROUBLE SHOOTING

Faulty defrost sensor Te Sensor disconnected, or broken, or short circuit

Faulty sensor Tao Sensor disconnected, or broken, or short circuit

Faulty sensor Ts Sensor disconnected, or broken, or short circuit

Faulty sensor Td Sensor disconnected, or broken, or short circuit

Over current of the system, or broken of the current

Input overcurrent

Abnormal communication between indoor and outdoor units

System high pressure protection

System low pressure protection

IPM protection

EEPROM fault Faulty outdoor unit PCB

Over hot protection of compressor

DC fan motor fault

Faulty 4-way valve switching on

Faulty sensor Tc Sensor disconnected, or broken, or short circuit

sensor,or malfunction with indoor or outdoor fan

motors, or faulty PCB. Wrong connection, or the wires be disconnected, or wrong address setting of indoor units, or faulty PCB, or faulty power supply

High pressure switch is disconnected, or high pressure switch worked, or Tc too high and faulty outdoor fan motor when cooling, or faulty indoor fan motors when heating, or refrigerant overabundance

Low pressure switch is disconnected, or low

pressure switch worked, or Te too low and faulty

outdoor fan motors when heating, or faulty indoor

fan motor when cooling, or refrigerant shortage

IPM over current, or short circuit, or IPM temperature too high, or IPM input voltage too low,or faulty SPDU.

Serious lack of refrigerant of the system, or the ambient temperature too high, or PMVs be blocked

Fan is blocked, or the terminal is disconnected from the PCB Coil of 4-way valve is disconnected, or faulty outdoor PCB

POSSIBLE REASONS

21

25

26 27 28 29

30

31

Faulty sensor Toci Sensor disconnected, or broken, or short circuit

Abnormal communication between main PCB and SPDU

Compressor locked rotor Faulty compressor or SPDU Compressor heavy vibration Compressor lose position Faulty SPDU Faulty compressor start Faulty compressor or SPDU

Faulty position checking circuit

Compressor broken Faulty compressor or SPDU

Communication cables broken, or not be well connected, or faulty main PCB, or faulty SPDU

Faulty compressor

Faulty SPDU

Take off the plastic valve cover, you can find the LEDs near to the communication terminal. Symbol means the LED is ON. Symbol means the LED is OFF.

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Troubleshooting:

Trouble 1: No display on the operation panel

PCB is faulty, replace it

Trouble 2: Sensor failure

no

start

check if display panel and the unit matched well

yes

if the red diode

and green diode on indoor PCB flash in turn

yes

check if display panel is 12V power supply

yes

display panel circuit is damaged, replace it

no

replace display panel and check

again

if the power terminal block is 220V input

check if power wiring is in open circuit

replace power wiring and check again

start

as per the wiring diagram,check the connection between sensor and PCB is correct

yes

check if sensor is in open circuit or PCB port is not in good condition

yes

replace sensor and check again

yes

no

check the terminal block and the

no

power supply

no

check if sensor

resistor value is

correct

check if fuse is burnt

replace the fuse and check again

re-fix the sensor

and check again

yes

PCB is faulty

and repalce it, check again

yes

nono

PCB is faulty,

no

replace

replace sensor and check again

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Trouble 3: Communication failure between indoor and outdoor

Trouble 4: Indoor PCB EEPROM data is wrong

1.If the failure occurs when being electrified for the first time, that shows EEPROM damaged.

2.If the failure occurs when running, that shows EEPROM is faulty and need to be replaced.

Trouble 5: Indoor repeated unit number

1.Firstly query the unit number: switch off the unit, press SLEEP for about 15 seconds until the buzzer sounds 5 times,

on the display panel there will be digit, which is indoor number. By this method,you can check if there is repeated unit number, if yes, please re-set the number as per the unit number setting procedure.

2.Re-set the unit number directly, the unit with outdoor pipe A is No. 1; the unit with outdoor pipe B is No. 2; the unit with pipe C is No.3

Trouble 6: Indoor fan motor failure, AC fan motor has not 50Hz zero-crossing detection

start

check if the fan motor input connection is fixed badly(CN3 on PCB)

yes

replace fan motor input port, cut off power supply and be electrified again

start

as per the wiring diagram, check if communication

wiring is correct

yes

check if the communication port connecting to the indoor/outdoor PCB is in open circuit

yes

replace the communication connection wire, check again

check the fan motor

no

feedback wire is fixed badly (CN23 on PCB)

replace fan motor

feedback port, cut off power supply and be electrified again

no

yes

re-wiring, and check again

if the power cable and the communication wire are too close, resulting in the wrong commission data

yes

adjust the distance and check again

no

PCB is faulty

and replace it

no

(8-bit pin) not fixed firmly or

PCB is faulty, replace and

check again

-62-

y,

y)

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Trouble 7: Outdoor unit failure

Check the failure code on outdoor indicator board (5-lamp)

Trouble 8: Outdoor unit alarms sensor failure

Trouble 9: AC current over current protection or current transducer damaged, or compressor blocked rotor, compressor great vibration, compressor abnormal startup, state detecting curcuit abnormal or compressor damaged.

The former twice failure can be resumed automatically, if outdoor board occurs this failure always, and can not be

resumed for a long time, that shows:

1. Power module (SPDU) damaged, please replace the power module, then re-wiring as per the wiring diagram (70% possibility)

2. Short circuit in power board results in the power module damaged (15

3. Damaged compressor results in this failure (10

4. Main control board is fault

Trouble 10: High pressure failure Reasons:

1. Over high system pressure results that the unit stop, and the compressor protection will work. The failure can be resumed.

2. Pressure switch wire is not fixed well or in open circuit.

start

check if the connector

between pressure

switch and PCB is fixed badly or damaged

replace pressure switch connector, shut off and be electrified again, re-check

start

as per the wiring diagram, check if connection port between sensor and PCB is correct

yes

check if the sensor is in open circuit or the connection port to PCB is in good condition

yes

replace sensor and check again

yes

no

replace it (5％ possibilit

check if the 2 straight

no

lugs on the pressure switch are in good condition

replace pressure switch connector, shut off and be electrified again, re-check

re-fix the

sensor and check again

check if the sensor resistor value is correct

yes

PCB is faulty and repalce it, check again

％ possibility)

yes

no

replace sensor and check again

if outdoor fan

no

motor cannot startup normally in cooling mode

check if the outdoor motor

has power input

％ possibility)

yes

no

replace main control board and check again

replace outdoor motor and check again

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Failure 11: Low pressure switch failure

Reason: 1. Too low system pressure causes that the unit stops and the compressor protection works, the failure can be resumed.

2. Pressure switch wire is not fixed well or in open circuit.

check if the connector between pressure switch and PCB is fixed badly or damaged (CN20 on PCB)

replace pressure switch connector, shut off and be electrified again, re-check

start

yes

check if the 2

straight lugs on

no

the pressure switch work badly

replace pressure switch connector, shut off and be electrified again, re-check

yes

if indoor fan motor

cannot startup normally

no

in heating mode(except

for defrost)

check if the indoor motor has power input

yes

no

replace main

no

control board and check again

replace indoor motor and check again

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Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

11. Electric data

11.1 Wiring diagram

W

1(L)

TO OUTDOOR

UNIT

B: BLACK BR: BROWN R: RED W : WHITE Y/G : YELLOW/GREEN BL:BLUE Y:YELLOW

capacitor

CN2CN1

CN23 TO SPDU

TOCI

CN22

CN21

CN19

CONTROL

CIRCUIT

BOARD

CN18

PMV_A

TC

TS

TA

TD

TE

CN20

HP LP

M

ON

18000 BTU

SW5-6SW5-5

ON

22000 BTU

SW5-6SW5-5

TOCI P IPING TEMPERATURE SENSOR TC CONDENSING TEMPERATURE SENSOR TS: COMPRESSOR INHALE SENSOR TA AMBIENT TEMPERATURE SENS OR TD: COMPRESSOR VENT SENSOR TE DEFROSTING TEMPERATURE SENSOR

OR : ORANGE

B : BLACK

Y/G : YELLOW/GREEN

R : RED

BL : BLUE W : WHITE

CN14

PIPING TEMPER-

ATURE

SENSOR

CN16

M

SWING

2(N)

MOTOR

B

R

BR

4

3

R

SW03

Y/G

Outdoor unit wiring diagram

AC FAN MOTOR

M

MLN

CN3

CN17

PMV_B

H

Y/G

PMV_C

CRANKCASE HEATER

CN4

CN5

250VAC T3.15A

SW1 SW2

stop/downstart/up

SW4SW3

CN15CN16

PMV_D

4-WAY VALVE

4WV

SV2

CN8

CN7

CN6

FUSE1

ON

LED2

LED1

SW5

DEBUG_LED

N

CN9

L

CN10

BUS

CN11

PTC

CN12

LED

87654321

CN13CN14

MM

Y/GBW

LN

C1

To Indoor Units

C2

BW

L

To Power Supply

Wall mounted unit wiring diagram

CN13

Y

SW01

W

SW02

CN17

BL

B

CN19

CN18

W W W W

PIPING TEMPER-

ATURE

SENSOR

AMBIENT TEMPERATURE SENSOR

LED1

LED2

CN24

CN20

W

R

CN22

CN26

CN21

M M M

SWING

MOTOR

CN25

W

CN23

W

SWING MOTOR

AC FAN MOTOR

ON

RR

N

LED

M

¡«

CN26

CN25

1234

SW5

RO

ACL

CN8

FUSE

T25A 250VAC

POWER CIRCUIT BOARD

capacitor

-+

BL OR

SPDU

220VAC-L

LED1

LED2

LED3

LED4

LED5

Y/G

reactor

ACN

RI

RL1

CN7

ION

GENERATOR

CN9 CN10

CN4

T3.15A 250VAC

R

CN11

FUSE1

CN1

220_L

CN8

CN5

W

ULTRAVIOLET RADIATION

NOTE: WHEN THE UNIT HAS NOT THE FUNCTION OF HEALTH WITHOUT THE PARTS IN THE DOTTED LINE.

0010576926

P(+)

N(-)

R

V

U

COMPRESSOR

CN2

CN1

CN5 CN4 CN3

220VAC-N

CN12

CN2

220_N

CN3

W

FRESH CONTROLLER

WVU

W

B

W

-65-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

11.2 Circuit diagram

Outdoor circuit diagram:

-66-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Indoor circuit diagram:

-67-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

11.3 Sensor part number and their resistor value

model name code sub-part code characteristic

AS072XVERA AS092XVERA AS122XVERA

AU182XFERA

AU222XFERA

suction temp. sensor 0010451513 001A3900059

coil temp. sensor 001A3900059

liquid pipe temp. sensor 001A3800103 001A3900004

discharging temp. sensor

mid-condensor temperature sensor

outdoor ambient temp. sensor

1.R25=10KΩ±3% B25/50=3700K±3%

2.R25=23KΩ±2.5% B25/50=4200K±3%

1.R25=10KΩ±3% B25/50=3700K±3%

2.R25=23KΩ±2.5% B25/50=4200K±4%

R25=10KΩ±3% B25/50=3700K±3%

R80=50KΩ±3% B25/80=4450K±3%

R25=10KΩ±3% B25/50=3700K±3%

-68-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

R80=50KΩ±3% B25/80=4450K±3%

T(℃)

-30 11600 24 536.6

-29 10860 25 511.1 -19 85.72 35 6.68

-28 10170 26 486.9 -18 80.96 36 5.43

-27 9529 27 464 -17 76.51 37 5.6

-26 8932 28 442.3 -16 72.33 38 5.59

-25 8375 29 421.7 -15 68.41 39 5.73

-24 7856 30 402.1 -14 64.73 40 5.52

-23 7372 31 383.6 -13 61.27 41 5.32

-22 6920 32 366 -12 58.02 42 5.12

-21 6498 33 349.3 -11 54.97 43 4.93

-20 6104 34 333.5 -10 52.1 44 4.9

-19 5736 35 318.4 -9 49.4 45 4.58

-18 5392 36 304.1 -8 46.86 46 4.42

-17 5071 37 290.5 -7 44.46 47 4.26

-16 4770 38 277.6 -6 42.21 48 4.11

-15 4488 39 265.3 -5 40.08 49 3.97

-14 4225 40 253.6 -4 38.08 50 3.83

-13 3978 41 242.5 -3 36.19 51 3.7

-12 3747 42 232 -2 34.41 52 3.57

-11 3531 43 221.9 -1 32.73 53 3.45

-10 3328 44 212.3 0 31.14 54 3.33

-9 3138 45 203.2 1 29.64 55 3.22

-8 2960 46 194.5 2 28.22 56 3.11

-7 2793 47 186.3 3 26.4 57 3.11

-6 2636 48 178.4 4 25.61 58 2.9

-5 2489 49 170.9 5 24.41 59 2.81

-4 2351 50 163.7 6 23.27 60 2.72

-3 2221 51 155.9 7 22.2 61 2.63

-2 2099 52 150.4 8 21.18 62 2.54

-1 1984 53 144.2 9 20.21 63 2.49

10 1092 20 12.36 74 1.73 11 1036 21 11.84 75 1.68 12 983.2 22 11.34 76 1.63 13 933.4 23 10.87 77 1.58 14 886.4 24 10.43 78 1.54 15 841.9 25 10 79 1.49 16 800 26 9.59 80 1.45 17 760.8 27 9.21 18 722.8 28 8.84 19 687.3 29 8.48 20 653.8 30 8.15 21 622 31 7.83 22 592 32 7.52 23 553.6 33 7.23

Rnom(KΩ)

0 1877 54 138.3 10 19.3 64 2.38 1 1775 55 132.7 11 18.43 65 2.3 2 1680 56 127.3 12 17.61 66 2.23 3 1590 57 122.1 13 16.83 67 2.16 4 1506 58 117.2 14 16.09 68 2.09 5 1426 59 112.5 15 15.38 69 2.03 6 1351 60 108 16 14.71 70 1.96 7 1280 61 103.8 17 14.08 71 1.9 8 1214 62 99.68 18 13.48 72 1.85 9 1151 19 12.9 73 1.79

R80=50KΩ±3% B25/80=4450K±3%

T(℃)

Rnom(KΩ)

R25=10KΩ±3% B25/50=3700K±3%

T(℃)

-20℃

Rnom(KΩ)

90.79 34 6.95

R25=10KΩ±3% B25/50=3700K±3%

T(℃)

Rnom(KΩ)

-69-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

R25=23KΩ±2.5% B25/50=4200K±3%

T(℃)

-20℃

-19℃

-18℃

-17℃

-16℃

-15℃

-14℃

-13℃

-12℃

-11℃

-10℃

-9℃

-8℃

-7℃

-6℃

-5℃

-4℃

-3℃

-2℃

-1℃

0℃

1℃

2℃

3℃

4℃

5℃

6℃

7℃

8℃

9℃

10℃

11℃

12℃

13℃

14℃

15℃

16℃

17℃

18℃

19℃

20℃

21℃

Rnom(KΩ)

281.34

263.56

247.04

231.66

217.35

204.02

191.61

180.04

169.24

159.17

149.77

140.99

132.78

125.11

117.93

111.22

104.93

99.04

93.52

88.35

83.5

78.94

74.67

70.65

66.88

63.33

60

56.86

53.91

51.13

48.51

46.04

43.72

41.52

39.45

37.5

35.66

33.92

32.27

30.72

29.25

27.86

R25=23KΩ±2.5% B25/50=4200K±3%

T(℃)

22℃

23℃

24℃

25℃

26℃

27℃

28℃

29℃

30℃

31℃

32℃

33℃

34℃

35℃

36℃

37℃

38℃

39℃

40℃

41℃

42℃

43℃

44℃

45℃

46℃

47℃

48℃

49℃

50℃

51℃

52℃

53℃

54℃

55℃

56℃

57℃

58℃

59℃

60℃

Rnom(KΩ)

26.54

25.3

24.12

21.94

20.94

19.99

19.09

18.23

17.42

16.65

15.92

15.22

14.56

13.93

13.34

12.77

12.23

11.71

11.22

10.76

10.31

9.89

9.49

8.74

8.39

8.05

7.73

7.43

7.14

6.86

6.34

5.87

5.65

5.44

5.24

23

9.1

6.6

6.1

-70-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

12. Performance curves The data in the curves are measured with three indoor unit AS07+AS09+AS12 and AU182.

10000

9000

8000

7000

6000

Heating capacity (W)

5000

4000

2900

2700

2500

2300

Power input (W)

2100

1900

1700

16/10 18/12 20/14.5 21/15 22/16 24/17 26/18

Heating capacity curves

-6/-7

-4/-5

-1/-2

1/0

6/5

7/6

12/10

16/15

indoor WB/DB

Power input curves in heating mode

-6/-7

-4/-5

-1/-2

1/0

6/5

7/6

12/10

16/15

indoor WB/DB

-71-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

Cooling capacity curves

8000

7000

6000

5000

4000

Cooling capacity (W)

3000

2000

18/12 20/14 22/16 25/18 27/19 30/22 32/24

3000

-5

20

25

32

35

40

indoor DB/WB

Power input curves in cooling mode

2500

2000

1500

Power input (W)

1000

500

0

18/12 20/14 22/16 25/18 27/19 30/22 32/24

-5

20

25

32

35

40

indoor DB/WB

-72-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

LABEL

ENERGY

EER

total current

total power input

total cooling

rated

(W/W)

(A)@230V

(kW)

capacity(kW)

capacity

Data

max.

data

rated

min.

data

Data

max.

data

rated

min.

data

max.

data

rated

min.

data D

Unit

C

Unit

B

Output/kW

Rated capacity

Unit

(Nom. cooling)

Application

Compatible

Comb.

A

Unit

indoor units

07+12 cooling and heating 2.0 3.2 — — 1.00 5.20 5.80 0.47 1.75 2.30 2.15 7.80 10.20 2.97 C

09+09 cooling and heating 2.5 2.5 — — 1.00 5.00 5.40 0.47 1.75 2.30 2.15 7.80 10.20 2.86 C

09+12 cooling and heating 2.3 2.9 — — 1.00 5.20 5.80 0.47 1.75 2.30 2.15 7.80 10.20 2.97 C

BI (1x2)

12+12 cooling and heating 2.6 2.6 — — 1.00 5.20 5.80 0.47 1.75 2.30 2.15 7.80 10.20 2.97 C

07+07+07 cooling and heating 1.73 1.73 1.73 — 1.50 5.20 5.80 0.50 1.70 2.30 2.29 7.62 10.20 3.06 B

07+07+09 mainly cooling 1.60 1.60 2.00 — 1.50 5.20 5.80 0.50 1.70 2.30 2.29 7.62 10.20 3.06 B

07+07+12 mainly cooling 1.39 1.39 2.42 — 1.50 5.20 5.80 0.50 1.70 2.30 2.29 7.62 10.20 3.06 B

07+09+09 mainly cooling 1.48 1.86 1.86 — 1.50 5.20 5.80 0.50 1.70 2.30 2.29 7.62 10.20 3.06 B

07+09+12 mainly cooling 1.30 1.63 2.27 — 1.50 5.20 5.80 0.50 1.65 2.30 2.29 7.62 10.20 3.15 B

09+09+09 mainly cooling 1.73 1.73 1.73 — 1.50 5.20 5.80 0.50 1.65 2.30 2.29 7.62 10.20 3.15 B

09+09+12 mainly cooling 1.56 1.56 2.18 — 1.50 5.30 5.80 0.50 1.65 2.30 2.29 7.40 10.20 3.21 A

07+14 cooling and heating 2.0 4.1 — — 1.00 6.10 6.50 0.47 2.20 2.90 2.20 9.76 12.90 2.77 D

09+12 cooling and heating 2.5 3.2 — — 1.00 5.70 6.20 0.47 2.00 2.90 2.20 8.87 12.90 2.85 C

09+14 cooling and heating 2.4 4.0 — — 1.00 6.40 6.50 0.47 2.20 2.90 2.20 9.76 12.90 2.91 C

12+12 cooling and heating 3.2 3.2 — — 1.00 6.40 6.50 0.47 2.20 2.90 2.20 9.76 12.90 2.91 C

07+07+09 cooling and heating 2.0 2.0 2.4 — 1.50 6.40 6.50 0.50 2.15 2.90 2.30 9.54 12.90 2.98 C

07+07+12 mainly cooling 1.78 1.78 2.84 — 1.50 6.40 6.50 0.50 2.15 2.90 2.30 9.54 12.90 2.98 C

07+09+09 mainly cooling 1.70 2.35 2.35 — 1.50 6.40 6.50 0.50 2.15 2.90 2.30 9.54 12.90 2.98 C

07+09+12 mainly cooling 1.66 2.07 2.66 — 1.50 6.40 6.50 0.50 2.15 2.90 2.30 9.54 12.90 2.98 C

09+09+09 mainly cooling 2.13 2.13 2.13 — 1.50 6.40 6.50 0.50 2.15 2.90 2.30 9.54 12.90 2.98 C

09+09+12 mainly cooling 1.95 1.95 2.50 — 1.50 6.40 6.50 0.50 2.15 2.90 2.30 9.54 12.90 2.98 C

09+12+12 mainly cooling 1.80 2.3 2.3 — 1.50 6.40 6.50 0.50 2.05 2.90 2.30 9.32 12.90 3.12 B

TRI (1x3)

BI (1x2)

TRI (1x3)

unit

Outdoor

AU182

XFERA

-73-

AU222

XFERA

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

LABEL

ENERGY

EER

total current

total power input

total heating

rated

(W/W)

(A)@230V

(W)

capacity(KW)

capacity

Data

max.

data

rated

min.

data

Data

max.

data

rated

min.

data

max.

data

rated

min.

data D

Unit

C

Unit

B

Unit

Output/kW

Rated capacity

(Nom. heating)

A

Unit

Application

Compatible

indoor units

07+12 cooling and heating 2.30 3.80 — — 1.20 6.10 6.50 0.55 1.90 2.30 2.50 8.43 10.20 3.21 C

09+09 cooling and heating 2.90 2.90 — — 1.20 5.80 6.50 0.55 1.90 2.30 2.50 8.43 10.20 3.05 C

09+12 cooling and heating 2.80 3.80 — — 1.20 6.60 6.80 0.55 1.90 2.30 2.50 8.43 10.20 3.47 B

12+12 cooling and heating 3.30 3.30 — — 1.20 6.60 7.00 0.55 1.90 2.30 2.50 8.43 10.20 3.47 B

07+07+07 cooling and heating 2.20 2.20 2.20 — 1.50 6.60 7.00 0.55 1.85 2.30 2.50 8.21 10.20 3.57 B

07+07+09 mainly cooling 2.05 2.05 2.55 — 1.50 6.65 7.00 0.55 1.85 2.30 2.50 8.21 10.20 3.59 B

07+07+12 mainly cooling 1.85 1.85 2.95 — 1.50 6.65 7.00 0.55 1.85 2.30 2.50 8.21 10.20 3.59 B

07+09+09 mainly cooling 1.85 2.40 2.40 — 1.50 6.65 7.00 0.55 1.85 2.30 2.50 8.21 10.20 3.59 B

07+09+12 mainly cooling 1.70 2.15 2.80 — 1.50 6.65 7.00 0.55 1.85 2.30 2.50 8.21 10.20 3.59 B

09+09+09 mainly cooling 2.20 2.20 2.20 — 1.50 6.60 7.00 0.55 1.85 2.30 2.50 8.21 10.20 3.57 B

09+09+12 mainly cooling 2.05 2.05 2.55 — 1.50 6.65 7.00 0.55 1.80 2.30 2.50 7.99 10.20 3.69 A

07+14 cooling and heating 2.30 4.60 — — 1.20 6.90 7.20 0.55 2.20 2.90 2.50 9.76 12.90 3.14 C

09+12 cooling and heating 2.90 3.80 — — 1.20 6.70 7.20 0.55 2.20 2.90 2.50 9.76 12.90 3.05 C

09+14 cooling and heating 2.75 4.45 — — 1.20 7.20 7.20 0.55 2.20 2.90 2.50 9.76 12.90 3.27 C

12+12 cooling and heating 3.60 3.60 — — 1.20 7.20 7.20 0.55 2.20 2.90 2.50 9.76 12.90 3.27 C

07+07+09 cooling and heating 2.20 2.20 2.80 — 1.50 7.20 7.40 0.55 2.15 2.90 2.50 9.54 12.90 3.35 C

07+07+12 mainly cooling 2.00 2.00 3.20 — 1.50 7.20 7.40 0.55 2.15 2.90 2.50 9.54 12.90 3.35 C

07+09+09 mainly cooling 2.10 2.55 2.55 — 1.50 7.20 7.40 0.55 2.10 2.90 2.50 9.32 12.90 3.43 B

07+09+12 mainly cooling 1.85 2.30 3.05 — 1.50 7.20 7.40 0.55 2.10 2.90 2.50 9.32 12.90 3.43 B

09+09+09 mainly cooling 2.40 2.40 2.40 — 1.50 7.20 7.40 0.55 2.10 2.90 2.50 9.32 12.90 3.43 B

09+09+12 mainly cooling 2.18 2.18 2.84 — 1.50 7.20 7.40 0.55 2.05 2.90 2.50 9.09 12.90 3.51 B

09+12+12 mainly cooling 2.00 2.60 2.60 — 1.50 7.20 7.40 0.55 2.05 2.90 2.50 9.09 12.90 3.51 B

Comb.

unit

Outdoor

BI (1x2)

AU182

XFERA

TRI (1x3)

-74-

BI (1x2)

AU222

XFERA

TRI (1x3)

AS072/092/122XVERA

Commercial Air Conditioner Model: AU18/222XFERA

13. Noise level

cooling high

cooling med

cooling low

fan high

fan med

fan low

heating high

heating med

heating low

cooling high

cooling med

cooling low

fan high

fan med

fan low

heating high

heating med

heating low

1/3 octave band noise level-AU182XFERA

.0

00

2

.0

00

60

1

.0

00

25

1

.0

00

1

0

0. 00

8

0

0. 30

6

0

0. 00

5

0

0. 00

4

0

0. 15

3

0

0. 50

2

0

0. 00

2

0

0. 60

1

0

0. 25

1

0

0. 00

1

.0

00

8

.0

30

6

.0

00

5

.0

00

4

.0

15

third octave band frequency Hz

3

.0

50

2

.0

00

2

.0

60

1

.0

25

1

.0

00

1

0

0.

8

0

3.

6

0

0.

5

0

0.

4

5

1.

3

0

5.

2

1/3 octave band noise level-AS072XVERA

.0

00

2

.0

00

60

1

.0

00

25

1

.0

00

1

0.0 00

8

0.0 30

6

0.0 00

5

0.0 00

4

0.0 15

3

0.0 50

2

0.0 00

2

0.0 60

1

0.0 25

1

0.0 00

1

.0

00

8

.0

30

6

.0

00

5

.0

00

4

.0

15

third octave band frequency Hz

3

.0

50

2

.0

00

2

.0

60

1

.0

25

1

.0

00

1

0.0

8

3.0

6

0.0

5

0.0

4

1.5

3

5.0

2

0.0

70.0

sound pressure level DB

65.0

60.0

50.0

55.0

45.0

40.0

30.0

35.0

20.0

25.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

40.0

45.0

50.0

55.0

60.0

65.0

0.0

5.0

10.0

15.0

Sound pressure level DB

-75-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

cooling high

cooling med

cooling low

fan high

fan med

fan low

heating high

heating med

cooling high

cooling med

cooling low

fan high

fan med

fan low

heating high

heating med

heating low

1/3 octave band noise level-AU182XFERA

10.0

15.0

20.0

25.0

30.0

35.0

40.0

45.0

50.0

55.0

60.0

65.0

70.0

.0

00

2

.0

00

60

1

.0

00

25

1

.0

00

1

0

0. 00

8

0

0. 30

6

0

0. 00

5

0

0. 00

4

0

0. 15

3

0

0. 50

2

0

0. 00

2

0

0. 60

1

0

0. 25

1

0

0. 00

1

.0

00

8

.0

30

6

.0

00

5

.0

00

4

.0

15

3

.0

50

2

.0

00

2

.0

60

1

.0

25

1

.0

00

1

0

0.

8

0

3.

6

0

0.

5

0

0.

4

5

1.

3

0

5.

2

0.0

5.0

sound pressure level DB

third octave band frequency Hz

1/3 octave band noise level-AS092XVERA

30.0

35.0

40.0

45.0

50.0

55.0

60.0

65.0

20.0

25.0

10.0

15.0

.0

00

2

.0

00

60

1

.0

00

25

1

.0

00

1

0

0. 00

8

0

0. 30

6

0

0. 00

5

0

0. 00

4

0

0. 15

3

0

0. 50

2

0

0. 00

2

0

0. 60

1

0

0. 25

1

0

0. 00

1

.0

00

8

.0

30

6

.0

00

5

.0

00

4

.0

15

3

.0

50

2

.0

00

2

.0

60

1

.0

25

1

.0

00

1

0

0.

8

0

3.

6

0

0.

5

0

0.

4

5

1.

3

0

5.

2

0.0

5.0

Sound pressure level DB

third octave band frequency Hz

-76-

Commercial Air Conditioner Model: AU18/222XFERA

AS072/092/122XVERA

cooling high

cooling med

cooling low

fan high

fan med

fan low

heating high

heating med

cooling high

cooling med

cooling low

fan high

fan med

fan low

heating high

heating med

heating low

1/3 octave band noise level-AU182XFERA

.0

00

2

.0

00

60

1

.0

00

25

1

.0

00

1

0

0. 00

8

0

0. 30

6

0

0. 00

5

0

0. 00

4

0

0. 15

3

0

0. 50

2

0

0. 00

2

0

0. 60

1

0

0. 25

1

0

0. 00

1

.0

00

8

.0

30

6

.0

00

5

.0

00

4

.0

15

3

.0

50

2

.0

00

2

.0

60

1

.0

25

1

.0

00

1

0

0.

8

0

3.

6

0

0.

5

0

0.

4

5

1.

3

0

5.

2

third octave band frequency Hz

1/3 octave band noise level-AS122XVERA

.0

00

2

.0

00

60

1

.0

00

25

1

.0

00

1

0

0. 00

8

0

0. 30

6

0

0. 00

5

0

0. 00

4

0

0. 15

3

0

0. 50

2

0

0. 00

2

0

0. 60

1

0

0. 25

1

0

0. 00

1

.0

00

8

.0

30

6

.0

00

5

.0

00

4

.0

15

3

.0

50

2

.0

00

2

.0

60

1

.0

25

1

.0

00

1

0

0.

8

0

3.

6

0

0.

5

0

0.

4

5

1.

3

0

5.

2

0.0

sound pressure level DB

5.0

10.0

15.0

20.0

25.0

30.0

35.0

40.0

45.0

50.0

55.0

60.0

55.0

50.0

45.0

40.0

35.0

30.0

25.0

20.0

5.0

10.0

15.0

Sound pressure level DB

third octave band frequency Hz

-77-

AS072/092/122XVERA

14. Air velocity and distribution

Fig 1

top view flow control panel horizal lourer:center

Fig 2 top view flow control panel horizontal lourer:right and left

Fig 3 top view flow control panel horizontal lourer:center

Fig 4 top view flow control panel vertical lourer:center

Commercial Air Conditioner Model: AU18/222XFERA

87

unit m/s

10

9

unit m/s

10

9

m

10987654321

m

3

2

1

0

1

m

2

1

0

1

2

3

1.8

1

3.0

1.0

2.0

1

2.0

0

2.0

0

0.5

0.25

2

0.5

1.0

0.5

1.0

1

2

43

0.25

43

65

unit

m/s

Condition

1.8

2.0

Fan speed:high Operation mode:fan Voltage:230V,50Hz

1.0

0.5

1

0

2

3

0.25

5 6

4

m

-78-

Commercial Air Conditioner Model: AU182XFERA

AS072/092/122XVERA

Sincere Forever

Haier Group

Haier Industrial Park, No.1, Haier Road

266101, Qingdao, China

http://www.haier.com