Haier AD182ALERA User manual

Commercial Air Conditioning

SERVICE MANUAL

Models

AD182ALERA AD362AHERA

 Features



 Can be connected with the universal outdoor unit

 Infrared control type or wired control type

 Low ambient cooling kit (optional) and low ambient heating kit (optional)

 New friendly refrigerant R410a, environment protection

 Weekly timer (standard)

 Group control function

 Auto restart function

Manual code: SYJS-032-07REV.0 Edition: 2007-12-17

 High energy efficiency

PAM control

2

CONTENTS

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

Model: AD182ALERA AD362AHERA

3. Safety precaution…………………………………………...9

5. Parts and functions…………………………………………12

4. Net dimension………………………………………………11

2. Specification…………………………………………………7

6. Installation instructions………..……………………………13

7. Controller functions…………………………………………25

8. Electrical control functions…………………………………

9. Electrical data………………………………………………..34

10. Troubleshooting………………………………………........37

11. Noise level charts…………………………………….........

Contents………………………………………………………..2

Commercial Air Conditioner

26

47

3

1.DESCRIPTION OF PRODUCTS & FEATURES

Climate type: T1 (see table 1)

Design number (A-G stands for fixed frequency type, R-Z

stands for DC inverter frequency 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

Q stands for cool only type, refrigerant is R410A

Outlook appearance

Product series: A stands for 1 to 1

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

4 stands for 220V/60Hz，N stand for 380~400VAC/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, ”Q” stands for chiller system, "E" stands for

ceiling concealed type, “U” stands for outdoor unit

Air Conditioner

1.2 Brief Introduction for T1、T2、T3 working condition

1.3 Operating Range of Air Conditioners

Temp. Mode Rated Maximum Minimum

DB ℃

27 32 15

Indoor

WB ℃

19 23 14

DB ℃

35 43 10

Cooling

Outdoor

WB ℃

24 26 6

DB ℃

20 27 10

Indoor

WB ℃

14.5 --- --

DB ℃

7 23 -10

Heating

Outdoor

WB ℃

6 18 ---

Climate type

Type of Air

Conditioner

T1 T2 T3

Cooling Only

18 ℃~43℃ 10℃~35℃ 21℃~52℃

Heat pump

-7℃~43℃ -7℃~35℃ -7℃~52℃

Electricity Heating

~43℃ ~35℃ ~52℃

A D 18 2 A L E R A

1.1 Products code explanation

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

4

1.4 Product features

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.

Universal outdoor unit

The outdoor unit has been uniformed which can be connected with different type indoor units with

identical capacity such as cassette type, duct type, convertible type etc..

High efficiency filter

Multi-mode for installation

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.

Group control function (with a group controller YR-E12)

Central control function, if connected with a central controller

YCZ-A001

Weekly timing function, if connected with a weekly timer YCS-A001

The unit adopts G3 grade filter, can efficiently filter the dirt etc, and improve the room air quality, at

the same time, the filter can pull out from downside, convenient for maintenance and cleaning.

The indoor unit can be installed with an air return duct or without an air return duct according to

the installation need.

PAM control

PAM adjusts the form of the current wave so that it becomes close to that of the supply voltage wave.

High harmonice are reduced and 99% of the electricity is utilized.

Wider range operation of outside temperature

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

5

1.5 New friendly refrigerant R410A introduction:

■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

1. Calculate the refrigerant additional charging

amount, and charge a suitable amount.

1. Air purging by refrigerant is prohibited seriously

2. Use a special vacuum pump with reverse check

mechanism

1. Charge the nitrogen to the set pressure

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

has reduced

1. Do not connect the power supply

1. Use piping material of the specified thickness

2. Do not use dirty pipe

3. Always flow nitrogen during welding work

hand over

trial running and adjustment

maintenance panel installation

gas leakage check

additional refrigerant charging

evacuation and drying

leakage test

refrigerant piping connection

outdoor unit installation

outdoor unit foundation work

electric wiring work

remote controller installation

insulation work

duct work

drain piping work

refrigerant piping work

indoor unit installation

operation chart preparation

1. Always inspect the used refrigerant

2. Always use the specified refrigerant

refrigerant inspection

prepare work schedule

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

6

■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

Refrigerant piping work

Nitrogen gas Pipe oxidation prevention

Welder Pipe brazing

Air tightness test

*Gauge manifold

*Charging hose

Vacuum evacuation and refrigerant

charging operation check

Air tightness test

Refrigerant additional

charging

*Vacuum pump (with

adapter)

Vacuum drying

Electronic scale

Gas leakage detector Gas leakage test

Refrigerant additional

charging

■Work precautions

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.

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

7

2. SPECIFICATION

Function

coolin

g

heatin

g

Capacity kW 4.8(1.8--5.8) 5.5(2.0---6.8)

KW

1.65(0.55---2.65) 1.70(0.60---2.65)

W

2650 2650

EER or COP

W/W

2.91(C) 3.24(C)

Dehumidifying capacity

10‐³×m³/h

A / A

7.5(3.0---12.0)/12A 7.5(3.0---12.0)/12A

Start Current A

Class of anti electric shock

Class 1

Max. operating pressure of heat side Mpa

4.15

Max. operating pressure of cold side Mpa

4.15

Unit model (color) AD182ALERA Grey

Type × Number

Speed(H-M-L) r/min

Fan motor output power kW

Air-flow(H-M-L) m³/h

Type / Diameter mm

Total Area m²

Temp. scope

℃

External

（L×W×H）

mm×mm×mm

Package

（L×W×H）

mm×mm×mm

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

Control type (Remote /wired /model)

dB(A)

kg / kg

item Model

AD182ALERA

Total power input

Max. power input

1.8

11

Indoor unit

Fan

centrifugal fan X 2

700±30 / 540±30 / 400±30

50

780

Heat exchanger

TP2M/7X0.5

0.34

2-7

Dimension

1090×500×220

1174×549×294

PVC 16/12

wired control

Noise level (H-M-L)

45/41/37

Weight (Net / Shipping)

23/26.5

Running /Max.Running current

Function

coolin

g

heatin

g

Capacity BTU/h 32400 38900

Capacity kW 9.5(2.2~10.5) 11.4(2.5~12.0)

Sensible heat ratio

0.73

kW 3.38(0.50---3.9) 3.15(0.50--3.9)

W

4300 4300

EER or COP

W/W

2.81 3.62

Energy efficiency stage

CA

Dehumidifying capacity

10‐³×m³/h

A

/

A

15.3（2.3-17.5） 15.0（2.3-17.5）

Unit model (color)

Type × Number

Speed(H-M-L) r/min

Fan motor output power kW

Air-flow(H-M-L) m³/h

Type / Diameter mm

Total Area m²

Temp. scope

℃

External

（L×W×H）

mm×mm×mm

Package

（L×W×H）

mm×mm×mm

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

Control type (Remote /wired)

Outlet distribution hole dimension mm

kW

dB(A)

kg / kg

Running /Max.Running current

Weight (Net / Shipping)

62/70

Electricity Heater 0

Noise level (H-M-L)

50/46/42

PVC 26/32

wired

853×254

inner groove pipe /φ7

0.479

2-7

Dimension

1197×830×350

1430×940×420

3.5

Indoor unit

AD362AHERA(grey)

Fan

centrifugal X2

1090+30/-/930+50

0.4

2400/2070/1760

Heat exchange

r

item Model

AD362AHERA

Total power input

Max. power input

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

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.

Note: ⊙ is the real time

analyser position

duct unit without auxiliary duct:

duct unit with auxiliary duct:

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

Testing method:

1.4m

2m

duct

auxiliary duct

2m

1.4m

1m

auxiliary duct

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

8

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!

Incorrect operations may result in injuries or machine damages; in some cases may

cause serious consequences.

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

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.

WARNING!

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.

Don't dismantle the outlet of the

outdoor unit.

The exposed fan is very dangerous

which may harm human beings.

switch

off

In such case, to continue using the

conditioner will damage the conditioner,

and may cause electrical shock or fire

hazard.

Incorrect maintenance and repairment

may cause water leak, electrical shock

and fire hazard.

When the unit needs maintenance and

repairment, please call dealer to handle it.

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.

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

9

Air-conditioner can't be installed in

the environment with inflammable

gases because the inflammable gases

near to air-conditioner may cause fire

hazard.

Connect earthing wire.

Use discharge pipe correctly to ensure

efficient discharge.

Earthing wire should not be con-

nected to the gas pipe, water pipe,

lightning rod or phone line, in-correct

earthing may cause shock.

Incorrect pipe use may cause water

leaking.

Earthing

WARNING!

Installed electrical-leaking circuit

breaker.

It easily cause electrical shock without

circuit breaker.

Please let the dealer be responsible for

installing the conditioner.

Incorrect installation may cause water

leak, electrical shock and fire hazard.

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.

Nothing or nobody is permitted to

placed on or stand on outdoor unit.

The falling of goods and people may

cause accidents.

Don't operate the air-conditioner with

damp hands.

Otherwise will be shocked.

Only use correctly-typed fuse.

May not use wire or any other materials

replacing fuse, other-wise may cause

faults or fire accidents.

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

10

4. Net dimension

air discharge hole

1

Z

[

\

]

^

_

`

a

b

Z

[

\

]

^

_

`

a

b

5446 8<729 575 5549 699 <<4549 =;4 664

AD182ALERA

AD362AHERA

800

1320

830

1200

170 270

250

365

185

250

60

45

1105

(mm)

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

1

5. Parts and Functions

Electrical components Case

Drain pan

Evaporator

Air outlet frame

AD182ALERA

AD362AHERA

XZXUJSINSL UTQJ

LZFWINSL UQFYJ

J[FUTWFYTWnNSXNIJo

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XZXUJSINSL GTQY

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

12

6. Installation Instructions

13

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AD182ALERA6.1 Installation for

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

14

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Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

15

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Model: AD182ALERA AD362AHERA

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19

AD 2A ERA6. Installation for 2 36 H

needs]

2. Choose installation place

(1) The chosen installation place should meet the following requirements and get the users consent.

Place ensures ideal airflow distribution.

The passage of airflow has no obstacles.

When importing outside air, it should be imported directly from outdoors. (if the pipe can not be extended, it also can

not be imported from top)

Place ensures enough space for maintenance.

The pipe length between indoor and outdoor unit is in the permitted limit (referring to outdoor unit installation part).

The indoor unit, outdoor unit, electric wire and connection wire is at least 1m away from television and radio. This is

to avoid the image disturbance and noise caused by the above-mentioned home appliance. (Even if 1m away, if the

electromagnetic wave is too strong, it can also cause noise.)

(2) The height of ceiling

The indoor unit can install on the ceiling, which height is no more than 3m.

(3) Install and use the hoisting screw. Check if the installation place can bear the weight of unit assembly.

If not certain, strengthen it before install the unit.

(600x600)

Over 100

Over 900

Air out

Air in

Checking meatus

Ceiling

Over 300

Over 200

Confirm the way to move the unit to the installation place.

Before moving the unit to the installation place, do not remove their packages.

When have to remove the package, use a soft material or protection board with rope to lift the unit assembly to

avoid unit damage or bumping a scrape.

(1) The position relation among hoisting screw (unit: mm)

360

1270

250

794

853

1103

Down side

Up side

3. Preparation before installation

1. Before installation [Before finishing installation, do not throw the attached parts installation

(2) If necessary, cut the opening installation and checking needed on the ceiling. (If has ceiling)

Before installation, finish the preparation work of all the pipes (refrigerant, drainage) and wire (wire controller

connection wire, indoor and outdoor unit connection wire) of indoor unit, so that after installation, they can be

immediately connected with outdoor unit.

Cut the opening on the ceiling. Maybe it needs to strengthen the ceiling to keep the ceiling even and flat and

prevent the ceiling from vibration. For details, please consult to the builder.

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

(3) Hanger bolts installation

Use care of the piping direction when the unit is installed.

Hanging bolt M10

Hole-in anchor

Hole-in plug

Insert

Concrete

(Use M10 screw bolt)

In order to bear the weight of the unit, for existed

ceiling, using foundation screw bolt, for new ceiling,

using burying embedded screw bolt, burying screw

bolt or spot supplied other parts.

Before going on installation, adjust the gaps with ceiling.

4. Installation of indoor unit

Fix the indoor unit to the hanger bolts.

If required, it is possible to suspend the unit to the beam, etc.

Directly by use of the bolts without using the hanger bolts.

When the dimensions of main unit and ceiling holes does not match, it can be adjusted with the slot holes of hanging

bracket.

Note

Adjusting to the levelness

(a) Adjust the out-of levelness using a level or by the following method.

Make adjustment so that the relation between the lower surface

of the unit proper and water level in the hose becomes as given

below.

(b) Unless the adjustment to the levelness is made properly, malfunctioning or failure of the float switch may occur.

PVC hose

Piping side

Supply water

Water level

0~5 mm

(0~0.2")

Bring the piping side slightly lower.

Hanging bolt

M10 nut

Main unit

M10 washer

M10 spring washer

Drain hose

Stage

difference

part

Drain socket

Main unit

VP 25 joint

(field purchased)

Pipe cover(large)

[for insulation]

(accessory)

VP 25

(field purchased)

Pipe cover

[for insulation]

(field purchased)

Drain hose

(accessory)

Pipe cover(small)

[for insulation]

(accessory)

Clamp

(accessory)

Adhesion

For drain pipe, use hard PVC general purpose pipe VP-25(I.D.1")

which can be purchased locally. When connecting, insert a PVC

pipe end securely into the drain socket before tightening securely

using the attached drain hose and clamp. Adhesive must not be

used connection of the drain socket and drain hose (accessory).

(c)

5. Drain Piping

(a) Drain piping should always be in a downhill grade (1/50~1/100) and avoid riding across an elevation or making

traps.

When connecting the drain pipe to unit, pay suffcient attention not to apply excess force to the piping on the unit

side. Also, fix the piping at a point as close as possible to the unit.

Do not pipe under water

Keep free from traps

Avoid riding across an elevation

Air vent

Good piping

1.5m ~ 2m

Suspension

bolts

Heat

insulation

A downhill grade

of 1/100 or more

(b)

Improper piping

VP 30

Secure the elevation as high as possible

(approx. 100 mm)

A downhill grade of

1/100 or more

When constructing drain piping for several units,

position the common pipe about 100 mm below

the drain outlet of each unit as shown in the sketch.

Use VP-30(11/4") or thicker pipe for this purpose.

(d)

(e)

The stiff PVC pipe put indoor side should be heat insulated.

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

20

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