Haier AD182ALERA, AD362AHERA Service 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℃

A D 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)

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

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

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)

4300 4300

EER or COP

W/W

2.81 3.62

Energy efficiency stage

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 connected 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

4. Net dimension

[

]

[

]

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

AD182ALERA

AD362AHERA

800

1320

830

1200

170 270

250

365

185

250

1105

(mm)

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

5. Parts and Functions

Electrical components Case

Drain pan

Evaporator

Air outlet frame

AD182ALERA

AD362AHERA

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Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

6. Installation Instructions

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AD182ALERA6.1 Installation for

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

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Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

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Commercial Air Conditioner

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Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

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

Drainage Test

Conduct a drainage test after completion of the electrical work. During the trial, make sure that drain flows properly through the piping and that no water leaks from connections. In case of a new building, conduct the test before it is furnished with the ceiling. Be sure to conduct this test even when the unit is installed in the heating season.

Procedures

Supply about 1000 cc of water to the unit through the air outlet using a feed water pump. Check the drain while cooling operation.

(g)

(f)

Avoid putting the outlet of drain hose in the places with irritant gas generated. Do not insert the drain hose directly into drainage, where the gas with sulfur may be generated.

Backwater bend Because the drain spout is at the position, which negative pressure may occur. So with the rise of water level in the drain pan, water leakage may occur. In order to prevent water leakage, we designed a backwater bend. The structure of backwater bend should be able to be cleaned. As the below figure shown, use T type joint. The backwater bend is set near the air conditioner.

As figure shown, set a backwater bend in the middle of drain hose.

H1=100mm or the static pressure of air sending motor H2=1/2H1 (or between 50~100mm)

6. Installation of air suction and discharging duct

Insulation

muffler cavity (air sending)

Sacking joint

Air volume adjuster

Air outlet

Enlarging chart of profile chart A

Vibration resistance hook

Checking meatus

Air conditioner main unit

Ceiling

Air suction grille with air filter

Please consult the after-sales service worker of Haier Air Conditioner for the choosing and installation of suction inlet, suction duct, discharging outlet and discharging duct. Calculating the design drawing and outer static pressure, and choose the discharging duct with proper length and shape.

Good exampleBad exampleBad example

The length difference among every duct is limited below 2:1.

Reduce the length of duct as possible as can. Reduce the amount of bend as possible as can.

Use heat insulation material to bind and seal the part connecting main unit and the flare part of air discharging duct. Perform duct installation work, before the ceiling fit.

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

The calculation of duct resistance (the simple calculation is as follow table)

Straight part

Bend part

Air out part

Static pressure box

Air inlet grille (with air filter)

Calculate as per 1m length 1Pa, 1Pa/m

Each bend takes as a3~4m long straight duct

Calculate as 25Pa

Calculate as 50Pa/each

Calculate as 40Pa/each

7. Calculation method of the dimension of the simple quadrate air duct

Presuming the unit length friction impedance of the duct is 1Pa/m, when the dimension of one side of the air duct is fixed as 250mm, as shown below:

Note:1Pa/m=0.1mmAg/m

The chosen chart of simple duct

m3/h(m3/n)

100 200 300 400 500 600(10)

800 1,000 1,200(20)

250 x 60

(mmxmm)

250 x 90 250 x 120 250 x 140

250 x 170 250 x 190 250 x 230 250 x 270 250 x 310

Shape

Item

Air volume

Square duct

Dimension

m3/h(m3/n)

1,400 1,600

1,800(30) 2000 2400 3,000(50) 3,500 4,000 4,500 5,000 5,500 6,000(100)

(mmxmm)

250 x 350 250 x 390

250 x 430 250 x 470 250 x 560 250 x 650 250 x 740 250 x 830 250 x 920 250 x 1000 250 x 1090 250 x 1180

Shape

Item

Air volume

Square duct

Dimension

Static pressure box

Air conditioner

Equipped with air filter (bought)

8. The attentive matters in installation of air suction and discharging duct

Recommend to use anti-frost and sound-absorbing duct. (locally bought) The duct installation work should be finished before the fitment of ceiling.

The duct must be heat insulated. The specific air-discharging outlet should be installed at the place where the airflow can be reasonably distributed. The surface should leave a checking meatus for checking and maintenance.

9. The examples of improper installation

Do not use air in duct and take the ceiling inner side instead. The result is because of the irregular

outer air mass, strong wind and sunshine, the humidity is increased.

There may be water drop on the outside of duct. For cement and other new constructions, even if not

taking ceiling inner side as duct, the humidity will also be so high. At this time, use glass fiber

to perform heat preservation to the whole. (use iron net to bind the glass fiber)

Affected by the capacity of air discharging fan, the strong wind in the outer duct and wind direction, when unit air sending volume exceeds the limit, the discharged water of heat exchanger will overflow, leading to water leakage.

Air

Duct

Special air discharging outlet

Use screw bolt to fix

Maybe exceeding the unit operation limit (for example: when indoor dry bulb temperature is 35degree, web bulb temperature is 24degree), it may lead to overload of compressor.

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Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

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10. The operation method of fan controller

Through the fan controller switch in the electric box, the air volume of this unit can be continuously adjusted. It is unnecessary to adjust air volume through the duct side wind level (unit outside static adjustment). The air volume set should be in the operation air volume range. Figure I shows the position of fan controller in the electric box and operation method. After finishing the electric work, perform test run. According to the main points in Figure II making the chosen

switch No. accordant. And confirm if it reaches the needed air volume.

Note:

1) When operating the fan controller, it is possible to touch the electric charging part, so do cut off the power supply.

2) Do not set the dial at the position less than 1.

3) The figure circled in Figure II indicate the capacity number of fan controller. The non-listed capacity number may exceed the permitted operation capacity range, so it is impossible to operate.

4) When delivering from factory, the capacity number of fan controller is set at No.5.

Rotate this switch

(capacity number setting: No. 1 ~ No. 8)

Once the fan controller has trouble, this linker can perform emergency assistant control. When this linker is connected to the linker from the PCB, it can operate with total load.

When this linker is connected to the linker from the PCB, through the fan speed adjustment panel to adjust speed.

High

Condition of standard air volume

Low

(air volume 100Pa)

Outer static pressure Pa

Example of duct

Lower limit

Upper limit

Standard air volume

(m3/min)

The example of the method of choosing capacity number:

1) If the unit is in high-speed operation, needing take outer static pressure is 180Pa in capacity air volume 34m3/min as working condition point, according to Figure II The characteristic chart of air volume, the capacity number of fan controller is No. 2.

2) If the unit is in low speed operation, needing take outer static pressure is 60Pa in capacity air volume 32m3/min as working condition point, according to Figure II The characteristic chart of air volume, the capacity number of fan controller is No. 4.

11. Refrigerant pipe

[The air side pipe, liquid side pipe must be faithfully heat insulated, if no heat insulation, it may cause water leakage.]

The outdoor unit has been charged with refrigerant.

200

150

100

26 30 34 35 40 43

Figure 1

Figure 2

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

5. Electric wiring

(1) Selection of size of power supply and interconnecting wires.

Precautions for Electric wiring

Electric wiring work should be conducted only by authorized personnel. Do not connect more than three wires to the terminal block. Always use round type crimped terminal lugs with insulated grip on the ends of the wires.

Use copper conductor only. Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with less than 2% voltage drop.)

When connect the pipe to the unit or dismantling the pipe from the unit, please follow the figure shown, use spanner and torque spanner together. When connect cone nut, the inner side and outside of cone nut should paste with refrigerant oil. Use hand to twist 3-4 rings, then fasten with spanner.

Referring to Table I to confirm the fasten torque. (too tight may damage nut leading to leakage) Check if the connection pipe leaks, then do heat insulation treatment, as below figure shown. Only use seal cushion to bind the joint part of air pipe and heat insulation parts.

9.52

12.0~12.4

18.6~19.0

3270~3990 N.cm (333~407 kgf.cm)

6180~7540 N.cm (630~770 kgf.cm)

(mm)

Specification of pipe

15.88

Tighten torque

Cone

Cone dimension A (mm)

R0.4~0.8

90 0.5

45 2

22.9~23.3

9720~11860 N.cm (990~1210 kgf.cm)

19.05

Liquid pipe

Gas pipe

Electric box

Upper

Air inlet

Air outlet

Down side

Drain hose connection hole

VP25 PVC pipe

310

530

80510

Paste the refrigerant oil here

Torque spanner

Spanner

Pipe joint

Cone nut

Middle size seal cushion (accessory)

(Use seal cushion to bind the pipe joint)

Clamp

Heat insulation (accessory)

(for liquid pipe)

(for gas pipe)

Heat insulation (accessory)

Gas pipe

Liquid pipe

WARNING

DANGER OF BODILY INJURY OR DEATH

TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS.

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

(2) Wiring connection

Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by terminals.

Item

Model

Phase

Switch breaker

(A)

Circuit breaker

Overcurrent protector

rated capacity (A)

Power source

wire size

(minimum)

(mm2)

30 20 2.5

Switch

breaker(A)

Earth leakage breaker

Leak

current(mA)

30 30

301 40 30 6.0 40

AD362AHERA

POWER SUPPLY:

1PH,220-230V~,50Hz

INDOOR UNIT TERMINAL BLOCK

L N

1 2 3

OUTDOOR UNIT TERMINAL BLOCK

Y/G

OUTDOOR UNIT TERMINAL BLOCK

INDOOR UNIT TERMINAL BLOCK

POWER SUPPLY:

380-400V, 3N~,50Hz

R S T

N 1 2 3

1 2 3

Y/G

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

740:A7

;=34 50 <

@D8<6

A4;>

2:=29

A8;4?

@4A

?42=C4?F

27429

58:A4?

?4@4A

;=34 50<

0BA=

50< =<:F

2==:

3?F

740A

A4@

7867

;43

:=D

58E

24<A?0:

=>4?0A8=<

@A0<31F

>?4-740A

345?=@A

58:A4?

740:A7

27429

@D8<6

B<8A <=.

34;0<3

;0<B0:

24<.033.

@F@.033.

?==; A4;>.

@4A A4;>.

A8;4? 2:=29

3=D<

C4<A8:0A8=<

=55

308:F

0BA=

?42=C4?F

<=?;0:

=</=55

7. Controller functions

For duct type, the indoor unit can be controlled by wired controller YR-E12 as standard control

As for the connection method, please refer to below figures:

or by remote controller YR-H71 and remote receiver RE-01 as optional control.

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

High

Mid

Low

High

ΔT

1.General features

1.1 Control mode: remotr or wired control + connecting port of long-distance control + passive

port control.

1.2 Temperature control: 16-30℃;

1.3 Precise of temperature control: ±1℃;

1.4 Indoor fan speed: AUTO, HIGH, MIDDLE, LOW (no AUTO when in FAN mode);

1.5 Swing control: the swing are controlled by the synchronous motor, main control board receive usable signal and set in swing mode or remain in other mode;

1.6 running mode: AUTO , COOL, DRY, FAN and HEAT;

1.7 Healthy function: 5VDC UV generator, 12VDC negrative ion generator - high voltage collecting-dirt, 220VAC negrative ion generator – oxygen pump;

1.8 Filter up-down control: adopt double-direction synchronous motor;

1.9 Auxiliary electric heating function: 12VDC control signal, 220VAC control signal or control switch;

1.10 Fresh air control: 12VDC DC motor,220VAC AC control port output;

1.11 CLOCK setting, TIMER ON, OFF, ON/OFF and SLEEP fuction (only TIMER function is viable and temperature variety is unviable when running the SLEEP function in FAN mode);

1.12 Drain system function: Water level inspection and water pump control

1.13 Compulsory cooling operation;

1.14 Safety and protection devices: 3-minute protection for compressor startup, freeze protection device, overheat protection device, temperature cutoff protection, sensor failure, drainage, pressure, communication etc. protection.

1.15 Indoor ambient temperature, indoor and outdoor coil temperature inspection.

1.16 start current control: the outdoor fan start after compressor running 2s in normal situation.

2. LED function:

The LED for remote control type includes POWER, TIMER, COMPRESSOR, WATER PUMP; the POWER LED also indicate failure; when the unit is switched on by the controller, the POWER LED will be ON, when being switched off, the POWER LED will be OFF.; If the controller is in TIMER and SLEEP mode, the TIMER LED will be on; if it is not in TIMER and SLEEP mode, the TIMER LED will be off. When the compressor is running, the compressor LED will be on; when it stops, this LED will be off. POWER LED flashes when there are system failure, the flash times ti indicate the failure code.

3. Indoor AUTO FAN control

a) If the unit enters AUTO FAN for the first time, when ΔT＞2, select high speed; whenΔT≤

0, select low speed; or it will select med speed; when thermostat is OFF, fan will be low speed. (the conversion temperature difference is 1 degree).

b) If the present fan speed is AUTO

HIGH, whenΔT＜2, fan speed will change to AUTO MED.

c) If the present fan speed is AUTO

MED, whenΔT＜0, fan speed will change to AUTO LOW; whenΔT ＞ 3, fan speed will change to

AUTO HIGH.

d) If the present fan speed is AUTO LOW, whenΔT＞1, fan speed will chenge to AUTO MED. e) Fan speed conversion in AUTO FAN mode: the conversion will delay for 3 minutes from HIGH to

LOW, and no delay from LOW to HIGH.

f) When the fan speed is HIGH/LOW/MED, on the condition that the protection does not act, the unit

will run at the set fan speed; when the protection acts, for the sake of the normal operation, the fan speed will be forced to conversion; in Dry mode, fan motor will be changed as request.

4. AUTO mode control

4.1 When entering AUTO for the first time, the unit will select the running mode due to the below

8. Electrical Control Functions

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

conditions, then perform the selected mode.

Tr≥Ts -3 ℃ select COOL mode (includes FAN mode) Tr＜Ts -3 ℃ select HEAT or FAN mode

4.2 After entering the AUTO mode, the mode can change over among COOL, HEAT or FAN modes according to the indoor ambient temperature (conversion temperature difference is ±3℃).

4.3 If the unit is in COOL mode, when it arrives compressor-stop temperature, the compressor will stop; after compressor stops for 15 minutes, the unit will check the room temperature, if Tr＜Ts -3 ℃, the unit will enter HEAT or FAN mode, or the unit will still be in COOL mode;

4.4 For the heat pump unit, if the unit is in HEAT mode at present, when it arrives

compressor-stop temperature, the compressor will stop; after the compressor stops for 15 minutes, the unit will check the room temperature, if Tr＞Ts+ 3℃, the unit will enter COOL mode, or it will still be in HEAT mode.

4.5 For cooling only unit, if the unit is at FAN mode, if Tr＞Ts +3 ℃, the unit will enter COOL mode.

4.6 When the unit is in HEAT mode, if indoor heat exchanger temperature rises up to over 63℃,

the unit will change into COOL mode. And within 1 hour, the heat exchanger temperature will not be limited, the heating operation will stop temporarily. 1 hour later, the unit will select the proper mode due to the above condition.

5. COOL mode control

5.1 4-way valve being powered off, compressor run/stop will depends on the temperature difference between the room temperature and the set temperature.

5.2 In cooling mode, every time the compressor starts up, within 6 minutes, the compressor will not be limited by the temperature sensor, but the set temperature change, shutoff signal and protection action will not be limited by 6-minute protection, and the compressor can stop immediately.

5.3 ΔT≥1 compressor will run; ΔT≤-1 compressor will stop;

-1<ΔT<1 compressor will stay in original state

5.4 Anti-freezed protection (invalid in compulsory operation,

trial running, heating mode)

When the unit has run for over 6 minutes after compressor

starts up, if indoor coil temperature Tg<1℃, the compressor and the outdoor motor will stop, and the unit will change to FAN mode; 9 minutes later after compressor stops and when indoor coil temperature rises to 10℃, the unit will resume to COOL mode, the compressor and the outdoor motor will run again.

5.5 Outdoor fan control: (realized by outdoor when with outdoor conmmunication function)

if the temp. of indoor coil sensor Tg<6℃, control the outdoor fan by the temp. of outdoor coil

sensor;

if the temp. of outdoor defrost sensor Tc<34℃, the outdoor fan will be OFF and lasted 45s at least; if the temp. of outdoor defrost sensor Tc＞44℃, the outdoor fan will be ON; if the temp. of outdoor defrost sensor 34℃≤Tc≤44℃, the outdoor fan will remain in the original

state.

5.6 Temperature cutoff protection

In cooling mode, the unit will check indoor coil temperature every time the compressor has run for 1

minutes, when indoor coil temperature Tg>Tr＋5, the unit will stop and 3 minutes later restart up; if the temperature cutoff occurs for 3 times continuously, the unit will stop and alarm.

6. DRY mode control

6.1 When the uint enters DRY mode for the first time, the compressor, outdoor motor and indoor

motor will perform according to the below conditions: ΔT＞2, the compressor and the outdoor motor will run continuously, indoor motor will run at the set

Ts +3 ℃

Ts -3 ℃

cooling

heating/blowing

cooling

Te mp .

heating/blowing

run

stop

－1

run

stop

ΔT

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

speed, this area is defined as Area A; 0≤ΔT≤2, the compressor and the outdoor motor will always run for 10 minutes and then stop for 6 minutes, indoor motor will be LOW speed, this area is defined as Area B; ΔT＜0, the compressor and the outdoor motor will stop, indoor motor will run at Low speed, this area is defined as Area C.

6.2 After the unit is running in DRY mode, the system will change over among Area A, Area B, and Area C (the conversion temperature difference ±1℃)

If the system is in Area A, when ΔT＜1, change to Area B; If the system is in Area C, when ΔT>1, change to Area B; If the system is in Area B, when ΔT>3, change to Area A; WhenΔT＜－1, change to Area C.

6.3 Anti-freezed protection (invalid in compulsory operation, trial running, heating mode)

When the unit has run for over 6 minutes after compressor

6.4 Outdoor fan control: (realized by outdoor when with outdoor conmmunication function)

if the temp. of indoor coil sensor Tg<6℃, control the outdoor fan by the temp. of outdoor coil

sensor;

state.

6.5 Temperature cutoff protection In cooling mode, the unit will check indoor coil temperature every time the compressor has run for 1

minutes, when indoor coil temperature Tg>Tr＋5, the unit will stop and 3 minutes later restart up; if the temperature cutoff occurs for 3 times continuously, the unit will stop and alarm.

7. HEAT mode control

7.1 4-way valve control: in heating mode, compressor startup----4-way valve being electrified 10

seconds ahead; compressor running----4-way valve retains original state; compressor shutoff----4-way valve being powered off 2 minutes and 50 seconds later (except for defrosting, 4-way valve being electrified 5 seconds ahead, and being powered off 55 seconds later).

7.2 In heating mode, for everytime the compressor startup (thermostat ON), within 6 minutes, the

4-way valve will not be limited by the temperature sensor, but for the set temperature change, shutoff signal and the protection, the compressor can stop immediately without 6-minute limitation.

7.3 ΔT≥1 compressor running, indoor motor runs at anti-cold air mode;

ΔT≤-1 compressor stops, indoor motor runs at blowing remaining heat mode;

-1<ΔT<1 compressor retains original state

7.4 Overheat protection (for the unit with outdoor PCB, the outdoor motor is controlled by outdoor unit,

but the compressor is still controlled by indoor unit, and their temperature points will not be accordant completely)

In heating mode, compressor has started up and indoor motor has run for over 30 seconds, if

indoor coil temperature Tg>60℃, outdoor motor will stop; if Tg<56℃, and outdoor motor has stop for 45s, outdoor motor will run again; if Tg>73℃, the compressor will stop and indoor motor will run according to the thermostat state. After the compressor stops for 3 minutes and Tg reduces to 48℃, the unit will resume to heating mode, and the compressor and the outdoor motor will run again.

7.5 Temperature cutoff protection In heating mode (besides the defrosting), the unit will check indoor coil temperature every time the

compressor has run for 1 minutes, when indoor coil temperature Tg＜Tr-5, the unit will stop and 3 minutes later restart up; if the temperature cutoff occurs for 3 times continuously, the unit will stop and alarm.

－1

ΔT

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

7.6 Anti-cold air function in heating mode

After entering heating mode, or last defrosting is over, the compressor will start up, if Tg＜28℃,

indoor motor will stop; if 38℃>Tg≥28℃, indoor motor will run at low speed; if Tg≥38℃ or the compressor has run for over 4 minutes, indoor motor will run at the set speed; once the motor has started up, it will not stop because of Tg reduction.

7.7 Blowing remaining heat function In heating mode, the thermostat is OFF, the compressor stops, indoor motor will run at low speed

until Tg＜28℃ and has run for 50 seconds at least.

Note: in heating mode, “the compressor stops----indoor motor delays to stop” adjust if the pipe

blows remaining heat; “the compressor startup----indoor motor delays to start up” adjust if the pipe is anti-cold air; in other conditions, the compressor and the indoor motor are allowable not to be in company. In cooling mode, the motor will run according to the control, not together with the compressor.

7.8 Defrosting function in heating mode

In defrosting and when the compressor resumes to run for 3 minutes after defrosting is over, the unit will not adjust the sensor failure.

7.8.1 Manual defrost: In heating mode, the set temperature 30℃ and in high speed, in 5 seconds,

press SLEEP button 6 times continuously, then the buzzer will sound 3 times, you can enter the manual defrosting. At this moment, the unit will not adjust the enter condition of defrost and begin to defrost function directly, whose procedure is as the same as the auto defrost; the quit condition is that the defrosting time is up to 5 minutes.

7.8.2 Auto defrost enter condition: a) the compressor has run for 45 minutes continuously or for 75

minutes in all and has run for over 10 minutes continuously. b) the compressor and outdoor fan running normally. c) the temp. of indoor coil sensor lower than 45℃, d) the defrosting temp. lower than –8 ℃ (use the defrosting start signal from outdoor in the condition of with outdoor communication ).

7.8.3 Auto defrost quit condition: The defrosting temp. over 14℃ or the defrosting time is over 12

minutes (use the defrosting end signal from outdoor in the condition of with outdoor communication )

7.8.4 Defrost process : a) enter defrosting mode, the compressor, outdoor and indoor fan motor stops;

b) 55 seconds later, 4-way valve will be reverse, after more 5 sensonds, compressor begins to run; c)

defrosting is over, compressor stops, outdoor fan running at high speed; d) 55 seconds later, 4-way

valve runs and compressor starts up. The indoor fan motor will run at anti-cold air condition.

7.8.5 For the unit with auxiliary electric heating function:

a. If the auxiliary electric heating function is working when the defrosting condition is met, please

stop electric heater firstly, 20 seconds later, defrosting can begin;

b. After defrosting, the unit will adjust the working state of electric heater according to the setting

before defrosting.

7.9 Auxiliary electric heating function (valid in heating mode or heating state in AUTO mode)

Enter condition: 1) ΔT>1; 2) Thermostat ON and running for 1 minute; 3) Tr<26℃; 4) Indoor motor running; 5) Electric heating function start signal available (cancelled); 6) The system working in heating mode or in heating state of AUTO mode; 7) Tg<48℃

If the above conditions can all be met, the electric heating function will work.

Quit condition: 1) ΔT≤1; 2) Thermostat OFF; 3) Tr>26℃; 4) Indoor motor stops; 5) Electric heating function start signal not available (cancelled); 6) The system in non-heating operation; 7) Tg>52℃

If one of the above conditions can be met, the electric heater will stop.

8. FAN mode control

The compressor and the outdoor motor will stop running, indoor motor can be set at high/med/low speed, the fan blade can swing or stay at one position. In this mode, you can set the TIMER and SLEEP function.

9. CLOCK setting and TIMER function

The unit can set 24-hour TIMER ON/OFF, and the min. unit is 1 minute, after being set, the timer lamp of indoor will be on, and after the timer is over, the timer lamp will be off. TIMER ON: RUN LED is off, compressor LED is off, and TIMER LED is on, the unit is in stop state. When timer is over, the unit begins to run, and the timer LED is off. The unit operation begins from

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

receiving the timer signal for the last time. The SLEEP function only can be set before the TIMER ON begins. TIMER OFF: the unit running, the timer LED on, while the timer is over, timer LED off, the unit will stop, the sleep can be set, the sleep time will replace the original time of TIMER ON/OFF. TIMER ON/OFF set at the same time: when the timer on/off is set, the timer LED will be off; the SLEEP function can be set, the sleep time will replace the original time of TIMER ON/OFF.

10 SLEEP function (energy saving function at night)

101 Standard sleep function: in cooling or dry mode, after running at SLEEP mode for 1 hour, the set temperature will rise 1℃, another 1 hour later, the set temperature will rise

another 1℃; the unit continues running for 6 hours, then the unit will stop.

10.2 Standard sleep function: in heating mode, after running at SLEEP mode for 1 hour, the set temperature reduces 2℃, another 1 hour later, the set temperature will

reduce 2 ℃ , and another 3 hours later, the set temperature rises 1℃; the unit continues running for 3 hours, then the unit will stop.

10.3 Non-standard SLEEP function: the sleep function

can realize 1~8 hours sleep mode when being combined with the TIMER function.

1） When in Auto mode, the unit will make SLEEP operation due to the setting. 2） After setting SLEEP function, the clock can not be adjusted. 3） If sleep time is no more than 8 hours, when the time arrives, the unit wil shut off. 4） If sleep function is set after setting TIMER OFF function, the unit will execute as the SLEEP

function.

5） If SLEEP function is set, the TIMER function can not be set. 6） If sleep function is set after setting TIMER ON function, the sleep function only can be set

befroe the TIMER ON time arrives.

7） After setting sleep function, press CLOCK button to check the clock; press TEMP button to

display the set temperature, and press again to change the set temperature.

11 Water level inspection and water pump control

1) In COOL (including cooling state of AUTO mode and the compulsory cooling) and DRY mode, as long as the compressor runs, water pump will work; and once the compressor stops, water pump will stop 5 minutes later;

2) In standby state of cooling mode, heating mode and fan mode (including auto fan mode), after water tank is full, the float switch will disconnect, if the controller detects this signal for 2 seconds, the water pump will begin to work. After the float resets, water pump will continue working and stops 5 minutes later;

3) If the water-full signal is detected for over 5 minutes, the compressor will stop; water pump will work for 5 minutes and stop for 5 minutes, then repeat as a cycle, until the float resets, the water pump will stop 5 minutes later; if water pump has repeated for 4 cycles, the float can not reset, and the unit will alarm water drainage abnormal. And the water pump will continue the cycle.

12. System protection

12.1 3-minute protection for compressor startup

After the compressor stops, at least 3 minutes later, the compressor can restart up; the compressor can restart up. Being electrifed for the first time, there is 3-minute delay protection.

12.2 Time shorting function

If the time shorting port is in short circuit, the unit will perform a 1/60 time shorting control.

12.3 High pressure protection

After compressor is running for 3 minutes, the unit will check the pipe pressure, when the pipe pressure is too high, 30 seconds later, compressor and outdoor fan motor will stop, and then 3 minutes later, the unit will be normal. Within 30 minutes, if the compressor stops and will send failure because of too high pressure for 3 times.

12.4 Low pressure protection

After compressor is running for 3 minutes, the unit will check the pipe pressure, when the pipe

Ts +1

Ts +2

Ts -2

Ts -3

Ts -4

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

pressure is too low and low pressure switch is running for 30 senconds, compressor and outdoor fan motor will stop and will send failure

13. Trouble code

The remote receiver, wired controller and indoor PCB indicator all can indicate the failure code.

Remote

control

indoor

PCB flash

times

Wired

controll

display

Central controll

display

Fault description Possible cause Remedy

10 08(08H) 21D

Fault in drain system

Float switch is open 25m or longer

due to the signal, resumable

1 01(01H) 01D

Indoor ambient temp. sensor failure

sensor broken down or short circuit for more than 2m continuously

due to the signal, resumable

2 02(02H) 02D

Indoor pipe temp. sensor failure

sensor broken down or short circuit for more than 2m continuously

due to the signal, resumable

3 74(4AH) 11D

Outdoor ambient temp. sensor failure

sensor broken down or short circuit for more than 2m continuously

due to the signal, resumable

4 73(49H) 12D

Outdoor pipe temp. sensor failure

sensor broken down or short circuit for more than 2m continuously

due to the signal, resumable

5 72(48H) 10D

Overcurrent Detector CT current is above

the limit 3 times within 30m.

Need to be checked, reset

6 83(53H) 14D

High pressure malfunction

High pressure switch acts for 3 times in 30m

Need to be checked, reset

7 71(47H) 22D

Power failure

Wrong phase, phase failure or loss

Need to be checked, reset

8 07(07H) 06D

Communication failure between wired controller and indoor unit

communication abnormal for more than 4m continuously

due to the signal, resumable

9 06(06H) 05D

Communication failure between indoor and outdoor units

communication abnormal for more than 4m continuously

due to the signal, resumable

11 11(0BH) 30D

External alarm signal input

External alarm is cut out for 10s or longer

due to the signal, resumable

12 03(03H) 20D

Fault in coil/suction line temp. sensor

sensor broken down or short circuit for more than 2m continuously

due to the signal, resumable

13 13(0DH) 31D

Temperature shut-off

Directional valve malfunction repeats 3 times

Need to be checked, reset

14 76(4CH) 15D

Fault in discharging temp. sensor

sensor broken down or short circuit for more than 2m continuously

due to the signal, resumable

15 05(05H) 17D

EEPROM error

EEPROM data loss Default

operation

16 84(54H) 26D

Low pressure malfunction

low pressure switch is activated

Need to be checked, reset

17 80(50H) 15D

Compressor overheat

Detected temperature of

discharge line is higher than 120℃

Resrorable when lower than 100℃

18 12(0CH) 23D

Fault in operation mode

Indoor units operate in

different modes

Resrorable in same o

peration

mode

19 75(4BH) 18D Outdoor coil

B(suction sensor-multi)

sensor broken down or short circuit for more than 2m continuously

due to the signal, resumable

20 77(4DH) 15D Outdoor

discharge B (oil

sensor broken down or short circuit for more than 2m continuously

due to the signal, resumable

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

temp. sensor-multi)

21 20(32D) 07D

Module failure Module overheat, overcurrent,

short-circuit

due to the signal, resumable

22 36(54D) 08D

Fault in zero-load

Current sensor failure or

compressor is not started

due to the signal, resumable

14 Jumper selection (√shows jumper connected, ON; ×shows jumper disconnected, OFF; * shows no limitation)

J1 J2 J3 J4 Wired control/ infrared control

√/×

* * *

Temp. compensation available/not available

√/×

* *

With/no outdoor PCB * *

√/×

Cooling only/heat pump * * *

√/×

J5 J6 Time shorting switch

√/×

* * *

Forced or not *

√/×

* *

Ornarment or not * *

×/√

Oxygen or not * * *

×/√

J7 J8 J9 J10 Other/2P convertible

√/×

* * *

single split/ multi split *

√/×

* *

Indoor unit address 0/other

* *

√/×

2P convertible /single blade

* * *

√/×

15. Network address selection (√shows jumper connected, ON; ×shows jumper disconnected, OFF)

SW1 SW2 address 1 2 3 4 1 2 3 4 1

× × × × × × ×

√ × × × × × ×

× √ × × × × ×

√ √ × × × × ×

× shows

passive port control AND

× × √ × × × ×

√ × √ × × × ×

……

…… …… …… …… …… ……

126

√ × √ √ √ √ √

127

× √ √ √ √ √ √

128

√ √ √ √ √ √ √

√ showes

passive port

control – the

later

entering in

priority

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

9. Electric data

9.1 Wiring diagram

AD182ALERA

CIRCUIT DIAGRAM OF INDOOR UNIT

0010576547

(FREEZE) CN8

SW2

P13

(HUMI)

(PUMP)

(HEAT)

(L)

(FRESH)

P8 P9

P12

P10

P11

(COMM)

(N')

(M)

(H)

SW3

P17

(L')

P14

P15

SW5 SW4

P16

CN4

CN5

CN1

TRANS.

SWITCH

(DOOR)

(CONTROLLER)

WIRED CONTROLLER

(FLOAT)

CN15

CN13

(UP-DOWN)

CN14

(ALARM)

CN16

(REMOTE)

CN11

CN12

FLOAT

REMOTE RECEIVER

1234

CN19

UP-DN L-R

CN20

W:WHITE B:BLACK R:RED Y:YELLOW OR:ORANGE BL:BLUE BR:BROWN Y/G:YELLOW/GREEN CAP.:FAN MOTOR CAPACITOR TRANS.:TRANSFORMER

(RECEIVE BOARD)

(SWING)

(OXYGEN)

Y Y

SWING

MOTOR

FAN MOTOR

CN21

CN7

FUSE

T3.15A/250VAC

P4(N2)

P5(N3)

TO OUTDOOR UNIT

2 31

WRB

P1(L)

P2(N)

P3(N1)

MOTOR

SWING

PUMP

P6(N4)

SW1

(ROOM/PIPE)

CN6

TEMP. SENSOR

SENSOR

PIPING TEMP.

ROOM

Y/G

CAP.

Y/G

CAP.

1234

PARTS AND CONNECTED WIRES IN DASHED FRAME

12 13 ONLY AVAILABLE IN AC***AFBEA TYPE

7. REFER TO OPERATION MANUAL TO SET SW1-SW5

1. PARTS 1 2 3 IN DASHED FRAME ARE NOT AVAILABLE

2. PARTS 4 5 6 ARE OPTIONAL, AND THE LINE MARKED 14 ONLY AVAILABLE IN CONVERTIBLE TYPE

3. PARTS AND CONNECTED WIRES IN DASHED FRAME 7 9 ARE NOT AVAILABLE IN CONVERTIBLE TYPE, AND CORRESPONDINGLY THERE IS A CLIP ON PCB

4. PARTS AND CONNECTED WIRES IN DASHED FRAME 8 ARE NOT AVAILABLE IN DUCT TYPE

5. PARTS AND CONNCETED WIRES IN DASHED FRAME 10 11 DETERMINED BY PRODUCTS TYPE

CN17

(12V/ALM)

NOTE:

REMOTE CONTROLLER CENTRALIZED

AD362AHERA

CIRCUIT DIAGRAM OF INDOOR UNIT

0010576548

(FREEZE) CN8

SW2

P13

(HUMI)

(PUMP)

(HEAT)

(L)

(FRESH)

P8 P9

P12

P10

P11

(COMM)

(N')

(M)

(H)

SW3

P17

(L')

P14

P15

SW5 SW4

P16

CN4

CN5

CN1

TRANS.

SWITCH

(DOOR)

(CONTROLLER)

WIRED CONTROLLER

(FLOAT)

CN15

CN13

(UP-DOWN)

CN14

(ALARM)

CN16

(REMOTE)

CN11

CN12

FLOAT

REMOTE

RECEIVER

REMOTE

1234

CN19

CN20

W:WHITE B:BLACK R:RED Y:YELLOW OR:ORANGE BL:BLUE BR:BROWN Y/G:YELLOW/GREEN CAP.:FAN MOTOR CAPACITOR FC:FAN MOTOR SPEED CONTROLLER TRANS.:TRANSFORMER

CONTROLLER

CENTRALIZED

(RECEIVE BOARD)

(SWING)

(OXYGEN)

CN21

CN7

FUSE

T3.15A/250VAC

P4(N2)

TO OUTDOOR UNIT

P5(N3)

WRB

P1(L)

P2(N)

P3(N1)

P6(N4)

SW1

(ROOM/PIPE)

CN6

TEMP. SENSOR

SENSOR

PIPING TEMP.

ROOM

Y/G

CAP.

Y/G

1234

5. REFER TO OPERATION MANUAL TO SET SW1-SW5

1. PARTS 1 2 3 4 5 IN DASHED FRAME ARE NOT AVAILABLE

2.PARTS 6 7 8 ARE OPTIONAL

3. PART 9 IS FAN MOTOR SPEED CONTROLLER KIT

4. PARTS 10 AND CONNECTED DASHED LINES ONLY AVAILABLE IN AD88NAHBEA

COM

NO NC

COM

NO NC

COM

6 4

5 3

6 4

5 3 1

6 4

5 3

NO NC

CAP.

Y/G

FAN MOTOR

NOTE:

CN17

(12V/ALM)

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

0010451

CN12

CN15

CN16

CN11

CN17

LED1

CN14

CN13

CN20

SW3

SW2

CN21SW5

SW4

CN19

CN7

LED4

LED5

CN5

CN4

P10

P12

P11

P15

P14

P13

P17

CN1

P16

CN8

CN6

SW1

690 E for AD182ALERA and AD362AHERA

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

T(℃)

Rnom(KΩ)

T(℃)

Rnom(KΩ)

T(℃)

Rnom(KΩ)

T(℃)

Rnom(KΩ)

T(℃)

Rnom(KΩ)

-20℃

281.34

24℃

24.12

-20℃

90.79 24 10.43 68 2.09

-19℃

263.56

25℃

-19 85.72 25 10 69 2.03

-18℃

247.04

26℃

21.94

-18 80.96 26 9.59 70 1.96

-17℃

231.66

27℃

20.94

-17 76.51 27 9.21 71 1.9

-16℃

217.35

28℃

19.99

-16 72.33 28 8.84 72 1.85

-15℃

204.02

29℃

19.09

-15 68.41 29 8.48 73 1.79

-14℃

191.61

30℃

18.23

-14 64.73 30 8.15 74 1.73

-13℃

180.04

31℃

17.42

-13 61.27 31 7.83 75 1.68

-12℃

169.24

32℃

16.65

-12 58.02 32 7.52 76 1.63

-11℃

159.17

33℃

15.92

-11 54.97 33 7.23 77 1.58

-10℃

149.77

34℃

15.22

-10 52.1 34 6.95 78 1.54

-9℃

140.99

35℃

14.56

-9 49.4 35 6.68 79 1.49

-8℃

132.78

36℃

13.93

-8 46.86 36 5.43 80 1.45

-7℃

125.11

37℃

13.34

-7 44.46 37 5.6

-6℃

117.93

38℃

12.77

-6 42.21 38 5.59

-5℃

111.22

39℃

12.23

-5 40.08 39 5.73

-4℃

104.93

40℃

11.71

-4 38.08 40 5.52

-3℃

99.04

41℃

11.22

-3 36.19 41 5.32

-2℃

93.52

42℃

10.76

-2 34.41 42 5.12

-1℃

88.35

43℃

10.31

-1 32.73 43 4.93

0℃

83.5

44℃

9.89

0 31.14 44 4.9

1℃

78.94

45℃

9.49

1 29.64 45 4.58

2℃

74.67

46℃

9.1

2 28.22 46 4.42

3℃

70.65

47℃

8.74

3 26.4 47 4.26

4℃

66.88

48℃

8.39

4 25.61 48 4.11

5℃

63.33

49℃

8.05

5 24.41 49 3.97

6℃

50℃

7.73

6 23.27 50 3.83

7℃

56.86

51℃

7.43

7 22.2 51 3.7

8℃

53.91

52℃

7.14

8 21.18 52 3.57

9℃

51.13

53℃

6.86

9 20.21 53 3.45

10℃

48.51

54℃

6.6

10 19.3 54 3.33

11℃

46.04

55℃

6.34

11 18.43 55 3.22

12℃

43.72

56℃

6.1

12 17.61 56 3.11

13℃

41.52

57℃

5.87

13 16.83 57 3.11

14℃

39.45

58℃

5.65

14 16.09 58 2.9

15℃

37.5

59℃

5.44

15 15.38 59 2.81

16℃

35.66

60℃

5.24

16 14.71 60 2.72

17℃

33.92

17 14.08 61 2.63

18℃

32.27

18 13.48 62 2.54

19℃

30.72

19 12.9 63 2.49

20℃

29.25

20 12.36 64 2.38

21℃

27.86

21 11.84 65 2.3

22℃

26.54

22 11.34 66 2.23

23℃

25.3

23 10.87 67 2.16

R25=23KΩ±2.5%

B25/50=4200K±3%

R25=10KΩ±3%

B25/50=3700K±3%

9.2 Sensor characteristic

model

name code

sub-part code

characteristic

ambient temperature sensor 0010451323

001A3900003

R25=23KΩ±2.5% B25/50=4200K±3%

coil temperature sensor

001A3900004

R25=10KΩ±3% B25/50=3700K±3%

ambient temperature sensor 001A3900005

001A3900003

R25=23KΩ±2.5% B25/50=4200K±3%

coil temperature sensor

001A3900006

001A3900004

R25=10KΩ±3% B25/50=3700K±3%

AD362AHERA

AD182ALL ERA

0010401922

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

Is actual pressure detected by pressure gage acceptable?

yes

low pressure failure

high pressure failure

yes

Is high pressure too low?

is pipe blocked?

yes

Refrigerant charge is needed. Check if there is refrigerant leak. If yes, replace pipe.

yes

dredge piping

Change pressure switch

Make them in short circuit

Note: The confirmation time of low pressure failure may be shorter, but high pressure failure confirmation time is at least 1 hour. Besides, take the ambient temperature into consideration.

1) Pressure protection

Confirm the fault according to the fault code list

Does system have pressure switch?

Are CN17 and CN18

in PCB cut off?

Replace PCB

yes

Replace PCB

Is DC voltage between both ends of sensor near 5V or 0V?

Replace sensor

Is sensor resistance acceptable?

Replace senso

Is sensor short-circuit

or open-circuit?

check if the wiring is correct according to wiring diagram

2) Sensor failure

reconnect

Relocate

if sensor is fixed

well

10. Troubleshooting

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

3) Low pressure protection

Confirm the fault according to the fault code list

Are connectors of pressure switch in good condition?

Check and reconnect

yes

Is low side pressure switch activated? (If not, DC voltage is 0V.)

Replace PCB

Is the low side pressure detected by

the gage lower than threshold value? The threshold value is indicated on the switch

yes

Replace low pressure switch

yes

if outdoor stop valves of gas pipe and liquid pipe are open totally

Open the valves

yes

Is piping twisted or deformed?

yes

Repair pipe

Does indoor fan work properly during cooling cycle? Does outdoor fan work properly during heating cycle?

Repair fan motor or fan

capacitor

yes

Is indoor filter or heat

exchanger dirty?

yes

Cleaning

Measure equalized pressure and time to reach equalization to see if the system has leakage. Lack of refrigerant? Is capillary blocked?

yes

Conduct leak test. Evacuate and recharge

Bad operation codition, such as ultra low outdoor temperature

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

yes

if outdoor stop valves of gas pipe and liquid pipe are open totally

Open the valves

Is indoor filter or heat

exchanger dirty?

Cleaning

yes

Repair fan motor or fan

capacitor

Repair pipe

yes

Is piping twisted or deformed?

yes

Does indoor fan work properly during cooling cycle? Does outdoor fan work properly during heating cycle?

Check if system is overfed according to equalized pressure in halt.

yes

Evacuate and recharge

Is reading of discharging pressure gage oscillatory?

Bad operation codition, such as ultra low

outdoor temperature

yes

There is air in system.

Evacuate and recharge

4) High pressure protection

Confirm the fault according to the fault code list

yes

Check and reconnect

Are connectors of pressure switch in good

condition?

Is high side pressure switch

activated? (If not, DC voltage is 0V.)

yes

Replace PCB

Is the high side pressure detected by

the gage higher than threshold value? The threshold value is

indicated on the switch

yes

Replace high pressure

switch

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

check if indoor/outdoor PCB fuse and transformer are normal

if failure is eliminated replace outdoor PCB

replace indoor PCB

if communication wire is broken

Are communication wire

S and supply wires L and N properly connected? Grounded well?

Is communication wire too close to power cable, which causes interference?

Confirm the fault indicator is communication failure

Does indoor communication indicator flash?

check the other reasons

yes

change defective parts

re-wiring

Confirm commumication failure according to the fault code list

5) Communication error between indoor and outdoor units

yes

S should not share a multicore cable with L and N

yes

re-wiring

Is supply transformer or 7812

component in good condition?

yes

check if wiring is correct

check if failure disappears after changing transformer or PCB

check if failure disappears after changing wired controller

yes

wired controller is

broken

6) Communication failure between wired controller and indoor PCB or no display on wired controller

Confirm commumication failure according to the fault code list or no display

yes

for some models, when powered on, initialization will display 88, if initrialization cannot finish, check indoor dip switch position

Is voltage between A and B of wired controller 12V?

yes yes

yes

Is voltage between B

and C fluctuating?

replace PCB

check if the wired controller can match with indoor PCB

replace wired controller

Is power just turned on?

check if the dip switch position on PCB is right

correct the position

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

7) High current protection in 3-phase fixed frequency models

Is three-phase circuit not

balanced? Is supply voltage too low? Is supply voltage too low at compressor start-up?

yes

re-wiring

yes

Is compressor current more than overcurrent protection limit? Is current detecting circuit in good condition?

Confirm detecting circuit is abnormal,replace

outdoor PCB

yes

replace AC contactor

yes

if compressor is normal

Is resistance of compressor

winding incorrect? Is it stuck?

yes

replace compressor

yes

if pressure is normal

Check: 1. Is a valve in system shut off;

2. Is piping clogged;

3. Is system overfed; is there air in system;

4. (Cooling cycle) Is condenser dirty? Does outdoor fan motor run at low speed or stop?

5. (Heating cycle) Is evaporator or filter dirty? Does indoor fan motor run at low speed or stop?

6. Is ambient temperature too high? Is system overloaded?

Is power cable or compressor wire

securely connected? Properly?

Modify power supply circuit

yes

Is AC contactor in poor contact?

Short connect that terminal

if failure disappear after PCB is changed

yes

replace PCB

yes

Solve problem accordingly

yes

Is an external alarm connected to the system?

8) External alarm

Is ALARM terminal in mainboard disconnected?

An external alarm is identified according to the list of fault codes

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

9) Overcurrent protection for single-phase fixed frequency models

Is supply voltage too low? Especially

when compressor starts up?

modify power supply circuit

re-wiring

yes

Is compressor current more than overcurrent protection limit? Is current detecting circuit in

good condition?

Confirm detecting circuit is abnormal,replace outdoor PCB

yes

Is compressor in

good condition?

Is resistance of compressor

winding incorrect? Is it stuck?

replace compressor

yes

Is running capacitor in

good condition?

replace running capacitor

yes

Is pressure normal?

Check: 1. Is a valve in system shut off;

2. Is piping clogged;

3. Is system overfed; is there air in system;

4. (Cooling cycle) Is condenser dirty? Does outdoor fan motor run at low speed or stop?

5. (Heating cycle) Is evaporator or filter dirty? Does indoor fan motor run at low speed or stop?

6. Is ambient temperature too high? Is system overloaded?

yes

Is supply wire securely

connected?

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

10) Temperature cutoff protection

confirm the malfunction according to the fault code list

yes

Replace sensor

yes

Replace indoor PCB

Are indoor sensors for ambient temperature and coil properly located?

Is resistance of indoor sensor correct?

Does four-way

valve work

properly?

Relocate

Replace four-way valve

Is outdoor four-way valve in good condition during heating cycle?

Does small relay coil of four-way valve have a voltage of 12V DC?

Relay is broken. Replace PCB

Is indoor unit malfunction caused by lack of refrigerant?

charge refrigerant

Is heat exchange effect

adversely affected by heavy dust in indoor and outdoor units?

cleaning

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

11) Fault in drain system

confirm the malfunction according to the fault code list

yes

Replace water pump

yes

Clean drain pan

Is float switch holder tinted that float can't move, or too close to pump motor that interference arises?

yes

Adjust holder

yes

Replace float

switch

Replace indoor PCB

Note: Float switch is close in normal state, when being activated, it is open.

Voltage between both ends is 0V when close, approximately 5V when open.

Unclog pipe and

water pump

Is drain pan dirty and

float switch ineffective?

Is pump motor in good condition?

Is drain pipe clogged?

yes

Check if float switch is in good condition with multimeter

12) Phase loss or phase failure

confirm the malfunction

according to the fault code list

adjust power supply

replace outdoor

PCB

if the failure disappear after correcting the wiring

Is there phase loss

or phase failure?

Is fault corrected after

sequence of either two of three RST phases is adjusted?

Check if the phase detecting circuit is correct according to ourdoor wiring diagram

yes

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

13) Fault in indoor fan motor

confirm the malfunction according to the fault code list

yes

Replace fan motor

yes

Is power supply good?

yes

Is indoor status

indication good?

Is fuse in good condition?

Replace fuse when there is no short-circuit

Is there any other broken component?

check any other reasons

Is output voltage of

fan motor good?

Is fan capacitor

in good condition?

Is fan motor winding resistor normal?

Wrong fault code. Check other possible causes. E.g.

motor is stuck

Replace fan

capacitor

Replace PCB

No. It's split winding type motor

Is it a PG motor? As in

AS and AF indoor units

Is output voltage good

when energized? Does fan

motor run properly?

Is there DC voltage

feedback from motor during running?

Signal detecting circuit has a problem. Replace PCB

Replace motor

Is front-end voltage of thyristor good?

Supply circuit has a problem. Replace PCB

Thyristor or control circuit has a problem. Replace PCB

Is front-end voltage of fan speed relay good?

Is voltage of fan speed relay coil 12VDC?

Supply circuit has a problem. Replace PCB

Controller chip has a problem. Replace PCB

Fan speed relay is

broken, replace PCB

Is there any poor

connection?

Reconnect

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

Confirm operating conditions

yes

No need to replace mainboard. The fault may be caused by power supply

yes

Does the same

fault occur before?

yes

No need to replace mainboard. Contactor wasn't in good contact

No need to replace mainboard. (Check operating status in details, e.g. TIMER feature, supply failure, thunder storm, interference from other appliances, etc.) Explain causes of fault to user.

1.Is supply voltage acceptable?

2.Is temperature setting correct? (e.g. too high)

3.Is system in TIMER mode?

4.Is user aware of product features, etc.

Check the system thoroughly, e.g. technical data of components when power-off, and voltage and current of check points when power-on

Disconnect contactor and reconnect it. (check if fuse or

varistor is broken.)

Does the same fault occur before?

Switch off air conditioner temporarily.

Switch

on air conditioner again after 1 minute

Does the same

fault occur before?

yes

Switch on air conditioner

Is the feature not available for present product?

Fault confirmation

Explain product

features to user

For example: no cooling, etc.

14) Troubleshooting (before replacement of PCB)

Service call

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

11. Noise level charts

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

Noise level-AD182ALERA

1014182226303438424650

31. 5

100

125

160

200

250

315

400

500

630

800

1000

1250

1600

2000

2500

3150

4000

5000

6300

8000

10000

12500

160000

20000

Third octave band frequency Hz

Sound pressure level DB

heating low

heating middle

heating high

super heating high

cooling low

cooling middle

cooling high

super cooling high

fan low

fan middle

fan high

super fan high

Noise level-AD362AHERA

16192225283134374043464952

1. 5

Third octave band frequency Hz

Sound pressure level DB

heating low

heating middle

heating high

cooling low

cooling middle

cooling high

fan low

fan middle

fan high

Sincere Forever

Haier Group

Haier Industrial Park, No.1, Haier Road

266101, Qingdao, China

http://www.haier.com

Model: AD182ALERA AD362AHERA

Commercial Air Conditioner

Haier AD182ALERA, AD362AHERA Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual