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

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

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℃

AD 18 2 A L E R A

1.1 Products code explanation

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

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

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

■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

2. SPECIFICATION

Function coolin

heatin

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)

W2650 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

Indoor unit

Fan

centrifugal fan X 2

700±30 / 540±30 / 400±30

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

heatin

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)

W4300 4300

EER or COP W/W 2.81 3.62

Energy efficiency stage CA

Dehumidifying capacity 10‐³×m³/h

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

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

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

duct

auxiliary duct

1.4m

auxiliary duct

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

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

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

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