Haier 1U09MADFRA, 1U12MADFRA, 1U18WADFRA, 1U26MADFRA, 1U35MADFRA Installation Guide

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ROOM AIR CONDITIONER

INSTALLATION MANUAL

1U09MADFRA 1U12MADFRA 1U18WADFRA

1U24WADFRA

1U26MADFRA 1U35MADFRA 1U53WADFRA

1U71WADFRA

Please read this manual carefully before installation.

•

This appliance is filled with R32. Keep this operation manual for future reference.

0011518288

111111

11111111111

Contents

Warning .................................................................................................................................1

Loading and Unloading/Transporting Management/Storage Requirements.............................3

Installation Instructions.............................................................................................................3

Relocation Procedures.............................................................................................................7

Maintenance Instructions..........................................................................................................7

Scrapping and Recovery..........................................................................................................10

Indoor/Outdoor Unit Installion Drawings............... ................................................................... 12

Safety Precautions .............................................................................................. .....................13

Read Before Installation ....................................... ............................................... .....................17

Installation Procedure........................................... ............................................... .....................20

Outdoor Unit Troubleshooting...................................................................................................25

Read the precautions in this manual

Keep this manual where the user can easily find it.

carefully before operating the unit.

This appliance is filled with R32.

WARNING:

Ask your dealer or qualified personnel to carry out installation work.Do not attempt to install the air conditioner yourself. Improper Installation may result in water leakage, electric shocks, fire or explosion.

Install the air conditioner in accordance with the instructions in this installation manual

Be sure to use only the specified accessories and parts for installation work.

Install the air conditioner on a foundation strong enough to withstand the weight of the unit.

Electrical work must be performed in accordance with relevant local and national regulations and with instructions in this installation manual,Be sure to use a dedicated power supply circuit

only. The wiring method should be in line with the local wiring standard.The type of connecting wire is H07RN-F.

Use a cable of suitable length,Do not use tapped wires or an extension lead as this may cause

overheating, electric shocks, fire or explosion.

All the cables shall have got the local authentication certificate. During installation, when the

connecting cables break off, it must be assured that the grouding wire is the last one to be broken off.

If refrigerant gas leaks during installation, ventilate the area immediately.oxic gas may be produced

if the refrigerant comes into contact with fire,and explosion may be happen.

After completing installation, check for refrigerant gas leakage

When installing or relocating the air conditioner, be sure to bleed the refrigerant circuit to ensure it is free of air, and use only the specified refrigerant (R32).

Make sure ground connection is correct and reliable.Do not earth the unit to a utility pipe, lightning

conductor or telephone earth lead. Imperfect earthing may result in electric shocks.

Be sure to install an earth leakage circuit explosion-proof breaker.

The breaker of the air conditioner should be all-pole switch and explosion-proof. The distance between its two contacts should not be no less than 3mm. Such means for disconnection must be incorporated in the wiring.

Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.

The appliance must be stored in a room without continuously operating ignition sources, the radius of the storage area should be no less than 2.5 m (for example:open flames, an operating gas appliance or an operating electric heater). Do not pierce or burn.

Be aware that refrigerants may not contain an odour.

The appliance must be installed, operated and stored in a room with a floor area larger than 3m

The room should be well ventilated.

Comply with national gas regulations. This appliance is not intended for use by persons (including children) with reduced physical,

sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.

Cleaning and user maintenance shall not be made by children. The air conditioner can not be discarded or scrapped randomly. If neccessary, please contact customer

service. Connectors can not be reused in a confined space.

CAUTION:

Model

Factory charge（kg

CO2 Equivalent(t)

Do not install the air conditioner at any place where there is danger of flammable gas leakage.

In the event of a gas leakage, build-up of gas near the air conditioner may cause a fire to break out.

Tighten the flare nut according to the specified method such as with a torque wrench.If the flare nut

is too tight, it may crack after prolonged use, causing refrigerant leakage.

Take adequate steps to prevent the outdoor unit being used as a shelter by small animals.Small animals

making contact with electrical parts can cause malfunctions, smoke or fire.

Please instruct the customer to keep the area around the unit clean

The temperature of refrigerant circuit will be high, please keep the inter-unit wire away from copper pipes

that not thermally insulated.

Only qualified personnel can handle, fill, purge and dispose of the refrigerant.

HOW TO USE DRED APPLIANCE

Please consult your reseller and/or installer to determine if you have a DRED

appliance.

Refer to DRED INSTALLATION INSTRUCTION for installation.

IMPORTANT INFORMATION REGARDING THE REFRIGERANT USED

Contains fluorinated greenhouse gases covered by the Kyoto Protocol

R32

1+2=

F E

This product contains fluorinated greenhouse gases covered by the Kyoto Protocol. Do not vent into the atmosphere.

Refrigerant type: R32

GWP=global warming potential

• 1 the factory refrigerant charge of the product

• 2 the additional refrigerant amount charged +2

the total refrigerant charge

• 1

3 GWP* value=675

tCO2=(1+2) x 3 /1000

1U26MADFRA 0.80 1U35MADFRA 1U53WADFRA 1U71WADFRA

0.84

1.02

1.1 0.74

）

0.54

0.57

0.0.69

the field

The filled out label must be adhered in the proximity of the product

cover).

A contains fluorinated greenhouse gases covered by the Kyoto B factory refrigerant charge of the product: see unit name plate C additional refrigerant amount charged in the field D total refrigerant charge E outdoor unit F refrigerant cylinder and manifold for charging

charging port (e.g. onto the inside of the stop value

Protocol

Loading and Unloading/Transporting Management/Storage Requirements

Diameter of the liquid connecting pipe (mm)

Extra gas amount per meter

after standard length (g)

Notes: The most gas amount should be: initial gas amount + extra gas amount <

• Loading and Unloading Requirements

1) The products shall be carefully handled during loading and unloading.

2) Do not give impact to the indoor and outdoor units, or otherwise product damage may result.

3) Be sure to read the safety cautions before conducting any work.

4) Dry powder extinguishers or other suitable fire extinguishing apparatus .aera gnidaol eht ta deppiuqe eb dluohs

5) Untrained personnel cannot be engaged in loading and unloading of air conditioners with flammable refrigerants.

•

1) The maximum transporting volume of finished products shall be determined as per local regulations.

2) The vehicles used for transporting shall be operated as per local laws and regulations.

3) Dedicated after-sales vehicles shall be used for maintenance transportation, and exposed transporting of

4) A rain cover or similar shield material of the transporting vehicles should have certain flame retardancy.

5) Leakage warning device of flammable refrigerant shall be installed inside the closed-type compartment.

6) Anti-static device shall be equipped inside the compartment of transporting vehicles.

7) Dry powder extinguishers or other suitable fire extinguishing apparatus shall be equipped inside the driver ' s cab.

1) The storage package of equipment used shall be such that no leakage of refrigerant will be caused due to mechanical damage of the equipment inside.

2) The maximum quantity of the equipment allowed to be stored together shall be determined as per local regulations.

• Installation Precautions

area specified in the table below, to avoid potential safety problems due to out-of-limit of refrigerant

concentration inside the room caused by leakage of refrigerant from refrigeration system of the indoor unit.

affected).

installation process and operation instructions.

* *

R32 Air Conditioner Adding Extra Gas With Longer Pipe Calculator

Smoking and open fire are not allowed around the air conditioner.

Transporting Management Requirements

refrigerant cylinders and the products to be maintained is not allowed.

The transporting vehicles shall run at a constant speed, and heavy acceleration/deceleration shall be avoided.

High-temperature area shall be avoided during transporting, and necessary radiating measures shall be taken in case the temperature inside the compartment is too high.

Storage Requirements

The area of the room in which R32 refrigerant air conditioner is installed cannot be less than the minimum

Once the horn mouth of connecting lines is fastened, it may not be used again (the air tightness may be

A whole connector wire shall be used for indoor/outdoor unit as required in the operation specification of

It should be stated in the manual that an entire connection pile should be used. It should be stated in the manual that it is recommended to place the joint of the connection pipes at the outdoor side, if can’t be at the outdoor side, the side that cannot be reused (not detachable) must be installed at the indoor side.

When the connection pipe is reused, the horn mouth needs to be reinstalled.

Installation Instructions

WARNING!

∅6/∅6.35 20g

∅9/∅9.52 50g

permitted gas by safety standard.

Minimum Room Area

Type

R32 0.306

The maximum refrigerant charge amount (M)

Indoor unit Outdoor unit M kg

AS26PBDHRA 1U26MADFRA 1

AS35PBDHRA 1U35MADFRA 1.04

AS53PDDHRA 1U53WADFRA 1.22

AS71PDDHRA 1U71WADFRA 1.3

LFL

kg/m3

0.6

1.0

1.8

2.2

4 7 10 15 20 30 50

0.68

1.14

2.05

2.50

Total Mass Charged/kg

Minimum Room Area/m

0.90

1.51

2.71

3.31 3.96 4.85 5.60

1.08 1.32

1.80

3.24

2.20

3.97

1.53

2.54

4.58

1.87

3.12 4.02

5.61 7.24

6.86 8.85

2.41

• Safety Awareness

1. Procedures: operation shall be made as per controlled procedures to minimize the probability of risks.

2. Area: area shall be divided and isolated appropriately, and operation in an enclosed space shall be avoided. Before the refrigeration system is started or before hot working, ventilation or opening of the area shall be guaranteed.

3. Site inspection: the refrigerant shall be checked.

4. Fire control: the fire extinguisher shall be placed nearby, and fire source or high temperature is not allowed; the sign of “No smoking” shall be arranged.

• Unpacking Inspection

1. Indoor unit: nitrogen is sealed during the delivery of indoor units (inside the evaporator), and the red sign at the top of the green plastic seal cap on the evaporator air pipes of the indoor unit shall be checked first after unpacking. In case the sign is raised, the nitrogen sealed still exists. Afterwards, the black plastic seal cap at the joint of evaporator liquid pipes of the indoor unit shall be pressed, to check whether nitrogen still exists. In case no nitrogen is sprayed out, the indoor unit is subject to leakage, and installation is not allowed.

2. Outdoor unit: the leak detection equipment shall be extended into the packing box of the outdoor unit, to check whether the refrigerant is leaking. If the refrigerant leakage is identified, installation is not allowed, and the outdoor unit shall be delivered to the maintenance department.

• Inspection on Installation Environment

1. The room area checked cannot be less than the area specified on the warning sign of the indoor unit.

2. Inspection on the surrounding environment of place of installation: the outdoor unit of flammable refrigerants air conditioner cannot be installed inside an enclosed room reserved.

3. Power supply, switches or other high-temperature articles such as the fire source and oil heater shall be avoided below the indoor unit.

4. The power supply shall be provided with earthing wire and be reliably earthed.

5. While punching the wall with an electric drill, whether embedded water/electricity/gas pipelines are designed at the hole preset by the user shall be verified in advance. It is recommended that the through-wall holes reserved shall be used as much as possible.

• Safety Principles of Installation

1. Favorable ventilation shall be maintained at the place of installation (doors and windows are opened).

2. Open fire or high-temperature heat source (including welding, smoking and oven) higher than 548 allowed within the scope of flammable refrigerant.

3. Anti-static measures shall be taken, such as the wearing of cotton clothes and cotton gloves.

4. The place of installation shall be convenient for installation or maintenance, and cannot be adjacent to heat source and flammable and combustible environment.

5. In case of refrigerant leakage of the indoor unit during installation, the valve of the outdoor unit shall be closed immediately, and windows shall be opened, and all the personnel shall be evacuated. After the leakage of refrigerant is handled, the indoor environment shall be subject to concentration detection. Further handling is not allowed until the safety level is reached.

6. In case the product is damaged, it must be delivered to the maintenance point. Welding of refrigerant pipelines at the user’s site is not allowed.

7. The installation position of air conditioner shall be convenient for installation or maintenance. Barriers shall be avoided around the air inlet/outlet of the indoor/outdoor unit, and the electrical appliance, power switches, sockets, valuables and high-temperature products within the scope of both sidelines of the indoor unit shall be avoided.

is not

No fire source around the

place of installation

Read operator’ manual

Cotton clothes Anti-static gloves

Read technical manual

Operator’ manual；operating instructions

BEWARE

ELECTROSTATICS

•

Goggles

• Electrical Safety Requirements

Note:

1. The surrounding conditions (ambient temperature, direct sunlight and rainwater) shall be noticed during electrical wiring, with effective protective measures being taken.

2. Copper wire cable in line with local standards shall be used as the power line and connector wire.

3. Both the indoor unit and outdoor unit shall be reliably earthed.

4. Wiring for the outdoor unit shall be made first and then the indoor unit. The air conditioner can only be powered on after wiring and pipe connection.

5. The dedicated branch circuit must be used, and leakage protector with sufficient capacity must be installed.

• Qualification Requirements of Installer

Relevant qualification certificate must be obtained as per national laws and regulations.

• Indoor Unit In

stallation

1. Fixation of wall panel and piping layout

In case of left/right water pipe connection for the indoor unit, or in case the evaporator interface of the indoor unit and the horn mouth of the connecting piping cannot be extended to the outdoor side for installation, the connector pipes shall be connected to the evaporator piping interface of the indoor unit in the process of horn mouth.

2. Piping layout

During layout of connecting pipes, drain hose and connector wires, the drain hose and connecting wire shall be placed at the bottom and top respectively. The power line cannot be twined with the connector wire. The drain pipes (especially inside the room and mach

ine) must be ventilated with thermal insulation materials.

3. Nitrogen charging for pressure maintaining and leak detection

After the evaporator of the indoor unit is connected to the connector pipe (after welding), nitrogen more than

4.0MPa shall be charged inside the evaporator and the piping connected to evaporator with a nitrogen cylinder (adjusted by a reducing valve). Afterwards, the valve of the nitrogen cylinder shall be closed, for leak detection with soapy water or leak detecting solution. The pressure shall be maintained for more than 5 minutes, and then whether the system pressure is reduced or not shall be observed. In case the pressure is reduced, leakage can be identifie

d. After the leak point is handled, the steps above shall be repeated.

After the evaporator of the indoor unit is connected to connecting piping, nitrogen shall be charged for pressure maintaining and leak detection. Afterwards, the evaporator shall be connected to the two-way stop valve and three-way stop valve of the outdoor unit. After the copper cap of the connecting piping is fastened, nitrogen more than 4.0MPa shall be charged at the access hole of the three-way stop valve with a charging hose. The valve of the nitrogen cylinder shall be closed, for leak detection with soapy water or leak detecting solution. The

re shall be maintained for more than 5 minutes, and then whether the system pressure is reduced or not shall

pressu be observed. In case the pressure is reduced, leakage can be identified. After the leak point is handled, the steps above shall be repeated.

The operation above can also be completed after the indoor unit is connected to the connecting pipelines and the two-way stop valve and three-way stop valve of the outdoor unit, after the access hole of the outdoor unit is connected to the nitrogen cylinder and pressure gauge and after more than 4.0MPa nitrogen is charged. No leak points are identified in the leak detection at the joint/welding junction of the indoor unit and at the join

t of connecting pipelines of the two-way stop valve and three-way stop valve of the outdoor unit. It must be guaranteed that each joint is available for leak detection during installation.

The next step (vacuumizing with a vacuum pump) can only be continued after the installation steps (nitrogen

charging for pressure maintaining and leak detection normal) are completed.

• Outdoor Unit Installation

1. Fixation and connection

Note: a) Fire source shall be avoided within 3m around the place of installation. b) The leak detection equipment of refrigerant shall be placed at a low position in the outdoor, and shall be opened.

1) Fixation The support of the outdoor unit shall be fixed onto the wall surface, and then the outdoor unit shall be fixed onto the support horizontally. In case the outdoor unit is wall-mounted or roof-mounted, the support shall be firmly fixed, to avoid the damage of strong wind.

2) Installation of connecting pipes The cone of the connecting pipes shall be aligned with the conical surface of corresponding valve connector. The nut of connecting pipes shall be installed at a proper position and then be tightened with a spanner. Excessive tightening torque shall be avoided, or otherwise the nut may be damaged.

• Vacuumizing

A digital vacuum gauge shall be connected for vacuumizing. The duration of vacuumizing shall be at least 15

minutes, and the pressure of

the vacuum gauge shall be below 60Pa.Afterwards, the vacuumizing equipment shall be closed, and whether the reading of the digital vacuum gauge is increased or not shall be observed after the pressure is maintained for 5 minutes. In case no leakage is identified, the two-way stop valve and three-way stop valve of the outdoor unit may be opened. Finally, the vacuumizing hose connected to the outdoor unit can be disassembled.

• Leak Detection

The joint of connecting pipes for the outdoor unit shall be subject to leak detection with soap bubble or

dedicated leak detection equipment.

• Post-installation Inspection Items and Test Run

Post-installation Inspection Items

qesnoC dekcehC eB ot smetI uence of Improper Installation Whether the installation is firm or not The unit may fall, vibrate or make a noise Whether the inspection on air leakage is completed The refrigerating capacity (heating capacity) may be

insufficient Whether the unit is fully insulated Condensation or drip may occur Whether the drainage is smooth or not Condensation or drip may occur Whether the power voltage is identical to that

Failure may occur or the parts may be burned marked on the nameplate Whether the circuit and pipeline are installed

Failure may occur or the parts may be burned correctly Whether the unit is safely earthed Electric leakage may occur Whether the type of wire is in line with relevant

Failure may occur or the parts may be burned regulations Whether barriers are identified at the air inlet/outlet of the indoor/outdoor unit Whether the length of refrigerant pipes and the

The refrigerating capacity (heating capacity) may be

insufficient

The refrigerant amount charged cannot be confirmed refrigerant amount charged are recorded Test Run

1. Preparations

(1) Power on is not allowed before all the installation operations are completed and before the leak

detection is proven qualified. (2) The control circuit shall be connected correctly and all the wires shall be firmly connected. (3) The two-way stop valve and three-way stop valve shall be opened. (4) All the scattered articles (especially the metal filing and thread residue) shall be removed from the unit

body.

2. Method (1) Switch

on the power supply and press the “ON/OFF” on the remote controller, after which the air

conditioner will start operating.

(2) Press “Mode” to select refrigeration, heating and sweeping wind, and observe whether the air

conditioner is under normal operation.

Relocation Procedures

Inspection on system

leakage prior to

disassembly

Inspection on

operational state

Refrigerant recovery

by the system

Cleaning

the indoor

unit

and connecting pipes with

inert gas

Disassembly

Safety discharge

refrigerant

Safety discharge

refrigerant

Installation as required

standards

Note: in case relocation is required, the joint of evaporator gas/liquid pipes of the indoor unit shall be cut off with a cutting knife. Connection is only allowed after re-flaring (the same to the outdoor unit).

Maintenance Instructions

Maintenance Precautions

Precautions

• For all the faults requiring welding the refrigeration pipelines or components inside the refrigeration system

of R32 refrigerant air conditioners, maintenance at the user’s site is never allowed.

• For the faults requiring radical disassembly and bending operation of the heat exchanger, such as the

replacement of the outdoor unit chassis and integral disassembly of the condenser, inspection and maintenance at the user’s site are never allowed.

• For the faults requiring replacement of the compressor or parts & components of refrigeration system,

maintenance at the user’s site is not allowed.

• For other faults not involved in the refrigerant container, internal refrigeration pipelines and refrigeration

elements, the maintenanc system requiring no disassembly of refrigeration elements and no welding.

• In case replacement of gas/liquid pipes is required during maintenance, the joint of evaporator gas/liquid

pipes of the indoor unit shall be cut off with a cutting knife. Connection is only allowed after re-flaring (the same to the outdoor unit).

1. All the operators or the maintenance personnel involved in refrigerating circuits shall be provided with the

effective certificate issued by an industry-accepted assessment institute, to ensure that they are qualified for safety disposal of refrigerant as required in the assessment regulations.

2. The equipment can only be maintained and repaired as per the method recommended by the manufacturer.

In case the personnel with qualification certificate involved in flammable refrigerant.

assistance from personnel of other disciplines is required, the assistance shall be supervised by the

e at the user’s site is allowed, including the cleaning and dredging of the refrigeration

Qualification Requirements of Maintenance Personnel

Inspection on Maintenance Environment

• Before operation, the refrigerant leaked in the room is not allowed.

• The area of the room in which maintenance is made shall be in line with the nameplate.

• Continuous ventilation shall be maintained during maintenance.

• Open fire or high-temperature heat source higher than 548 degree which can easily give birth to open fire is

not allowed inside the room within the maintenance area.

• During maintenance, the phones and the radioactive electronics of all the operators inside the room must be

powered off.

• One dry powder or carbon dioxide extinguisher shall be equipped inside the maintenance area, and the

extinguisher must be working.

Maintenance Site Requirements

• The maintenance site shall be provided with favorable ventilation and must be flat. Arrangement of the

maintena

nce site inside the basement is not allowed.

• Welding zone and non-welding zone shall be divided at the maintenance site, and shall be clearly marked. A

certain safety distance must be guaranteed between the two zones.

• Ventilators shall be installed at the maintenance site, and exhaust fans, fans, ceiling fans, floor fans and

dedicated exhaust duct can be arranged, to meet the requirements of ventilation volume and uniform exhaust, and to avoid accumulation of refrigerant gas.

• Leak detection equipment for flammable refrigerant shall be equipped, with relevant management system

being established. Whether the leak detection equipment is under available state shall be confirmed before maintenan

ce.

• Sufficient dedicated vacuum pumps of flammable refrigerant and refrigerant charging equipment shall be

equipped, with relevant management system for maintenance equipment being established. It shall be guaranteed that the maintenance equipment can only be used for vacuumizing and charging of one type of flammable refrigerant, and mixed usage is not allowed.

• The master power switch shall be installed outside the maintenance site, with protective (anti-explosive) device equipped.

• Nitrogen cylinders, acetylene cylinders and oxygen cylinders shall be placed separately. The distance

between the gas cylinders above and the working area involved in open fire shall be at least 6m. The anti-backfire valve shall be installed for the acetylene cylinders. The color of the acetylene cylinders and oxygen cylinders installed shall meet the international r

equirements.

• The warning sign of “No Fire” shall be arranged inside the maintenance area.

• Fire control device suitable for electric appliance such as the dry powder extinguisher or carbon dioxide

extinguisher shall be equipped, and shall always be under the available state.

• The ventilator and other electrical equipment at the maintenance site shall be relatively fixed, with

standardized pipe routing. Temporary wires and sockets at the maintenance site are not allowed.

Leak Detection Methods

• The environment in which the refrigerant leakage is checked shall be free from potential ignition source.

Leak detection with halogen probes (or any other detector with open fire) shall be avoided.

• For the system containing flammable refrigerant, leak detecti

on may be realized with electronic leak detection equipment. During leak detection, the environment in which the leak detection equipment is calibrated shall be free from refrigerant. It shall be guaranteed that the leak detection equipment will not become potential ignition source, and is applicable to the refrigerant to be detected. Leak detection equipment shall be set at a percentage of the LFL of the refrigerant and shall be calibrated to the refrigerant employed, and the appropriate percentage of gas (25 % maximum) is confirmed.

• The fluid used for leak detection shall be applicable to most of the refrigerant. The use of chlorinecont

aining solvent shall be avoided, to avoid chemical reaction between chlorine and refrigerant and corrosion to

copper pipelines.

• In case leakage is suspected, the open fire at the site shall be evacuated or be put out.

• In case welding is required at the leakage position, all the refrigerants shall be recovered, or be isolated at a

position far from the leak point with a stop valve. Before and during welding, the whole system shall be purified with OFN.

Maintenance Items

Maintenance Requirements

• Before the refrigeration system is operated, the circulating system shall be cleaned with nitrogen. Afterwards, the outdoor unit shall be vacuumized, the duration of which cannot be less than 30 minutes. Finally, 1.5~2.0MPa OFN shall be used for nitrogen flushing (30 seconds~1 minute), to confirm the position requiring treatment. Maintenance of the refrigeration system is only allowed after the residual gas of flammable refrigerant is removed.

• During the use of refrigerant charging tools, cross contamination of different refrigerants shall be avoided. The total length (including the refrigerant pipelines) shall be shortened as much as possible, to reduce the residual of refrigerant inside.

• The cylinders of refrigerant shall be kept upright, and be fixed.

• Before refrigerant charging, the refrigeration system shall be earthed.

• The refrigerant charged shall be of the type and volume specified on the nameplate. Excessive charging is

not allowed.

• After maintenance of the refrigeration system, the system shall be sealed with a safe manner.

• The maintenance in progress shall not damage or lower the original class of safety protection of the system.

Maintenance of Electrical Components

• Partial of the electrical component under maintenance shall be subject to inspection on refrigerant leakage with dedicated leak detection equipment.

• After the maintenance, the components with safety protection functions cannot be disassembled or removed.

• During the maintenance of sealing elements, before op

powered off first. When power supply is required, continuous leak detection shall be carried out at the most dangerous position, to avoid potential risks.

• During maintenance of electrical components, the replacement of enclosures shall not affect the level of protection.

• After maintenance, it shall be guaranteed that the sealing functions will not be damaged or the sealing materials will not lose the function of preventing the entry of flammable gas due to aging. The substitute components shall meet the recommended requirements of the air conditioner manufacturer.

ening the seal cover, the air conditioner shall be

Maintenance of

Intrinsically Safe Elements

The intrinsically safe element refers to the components working continuously inside flammable gas without any risks.

• Before any maintenance, leak detection and inspection on earthing reliability of the air conditioner must be carried out, to ensure no leakage and reliable earthing.

• In case the allowable voltage and current limit may be surpassed during the service of the air conditioner, any inductance or capacitance cannot be added in the circuit.

• Only the elements appointed by the air conditioner manufacturer can be used as the parts and components replaced, or otherwise a fire may be triggered in case of refrigerant leakage.

• If maintenance work does not involve system pipelines, the system pipelines shall be well protected, to ensure that the maintenance will not cause any leakage.

• After maintenance and before test run, the air conditioner must be subject to leak detection and inspection on

earthing reliability with leak detection equipment or leak detecting

solution. It shall be guaranteed that the startup

inspection is carried out without leakage and under reliable earthing.

Removal and Vacuumizing

The maintenance or other operations of the refrigeration circuit shall be made as per conventional procedures. Moreover, the flammability of refrigerant shall also be mainly considered. The following procedures shall be followed:

• Refrigerant clearing;

• Pipeline purification with inert gas;

• Vacuumizing;

• Pipeline purification again with inert gas;

• Pipeline cutting or welding. The refrigerant shall be recovered to a proper cylinder. The system shall be

purged with OFN, to ensure safety. The step above may need to be repeated for several times. Compressed air or oxygen cannot be used for purging.

In the course of purging, OFN shall be charged inside the refrigeration system under vacuum state, to reach the operating pressure. Afterwards, the OFN shall be discharged to the atmosphere. Finally, the system shall be vacuumized. The step above shall be repeated until all the refrigerants in the system are cleared. The OFN charged for the last time shall be discharged to the atmosphere. Afterwards, the system can be welded. The operation above is neces

sary in case of pipeline welding.

It shall be guaranteed that no alight fire source is around the outlet of the vacuum pump and the ventilation is favorable.

Welding

• Favorable ventilation must be guaranteed in the maintenance area. After the maintenance machine is subject to the vacuumizing above, the system refrigerant can be discharged on the outdoor unit side.

• Before the outdoor unit is welded, it must be guaranteed that no refrigerant is inside the outdoor unit and the system refrigerant has been discharged and cleared.

• The refrigeration pipelines cannot be cut with a welding gun under any circumstance. The refrigeration pipelines must be disassembled with a pipe cutter, and the disassembly must be carried out around a ventilation opening.

Refrigerant Charging Procedures

The following requirements are added as the supplementation of conventional procedures:

• During the

use of refrigerant charging tools, cross contamination of different refrigerants shall be avoided. The total length (including the refrigerant pipelines) shall be shortened as much as possible, to reduce the residual of refrigerant inside;

• The cylinders of refrigerant shall be kept upright;

• Before refrigerant charging, the refrigeration system shall be earthed;

• A label must be pasted on the refrigeration system after refrigerant charging;

• Excessive charging is not allowed; the refrigerant shall be charged slowly;

• In case system leakage is identified, refrigerant charging is not allowed unless the leak point is plugged;

• During refrigerant charging, the charging amount shall be measured with an electronic scale or a spring

scale. The connecting hose between the refrigerant cylinder and the charging equipment shall be relaxed appropriately, to avoid impact on the measuring accuracy due to stress.

Requirements on storage site of refrigerant

• The cylinder of refrigerant shall be placed in a -10~50°C environment with favorable ventilation, and warning labels shall

be pasted;

• The maintenance tool in contact with the refrigerant shall be stored and used separately, and the maintenance tool of different refrigerants cannot be mixed.

Scrapping and Recovery

Scrapping

Before scrapping, the technician shall be completely familiar with the equipment and all its features. The safe recovery of refrigerant is recommended. In case the refrigerant recovered needs to be reused, before which the sample of refrigerant and oil shall be analyzed. The power supply required shall be guaranteed before tests. (1) The equipment and operation shall be well known; (2) Power supply shall be switched off; (3) The followings shall be guaranteed before scrapping:

• The mechanical equipment shall be convenient for operation on the cylinder of refrigerant (if necessary);

• All personal protective equipment is available and being used correctly;

• The whole course of recovery shall be guided by qualified personnel;

• The recovery equipment and cylinders shall be in line with corresponding standards.

(4) The refrigeration system shall be vacuumized if possible;

(5) In case the vacuum state cannot be reached, vacuumizing shall be carried out from numerous positions, to pump the refrigerant in each part of the system out; (6) It shall be guaranteed that the capacity of cylinders is sufficient before recovery; (7) The recovery equipment shall be started and operated as per the operation instructions of the manufacturer; (8) The cylinder cannot be charged too full. (The refrigerant charged cannot exceed 80% of the capacity of cylinders) (9) The maximum operating pressure of cylinders cannot be surpassed, not even for a short term; (10) After refrigerant charging is completed, the cylinder and equipment must be evacuated rapidly, and all the stop valves on the equipment must be closed; (11) Before purification and tests, the refrigerant recovered cannot be charged into another refrigeration system.

Note: The air conditioner

shall be marked (with dates and signature) after being scrapped and the refrigerant is discharged. It shall be guaranteed that the sign on the air conditioner can reflect the flammable refrigerant charged inside.

Recovery

During maintenance or scrapping, the refrigerant inside the refrigeration system needs to be cleared. It is

recommended that the refrigerant be cleared thoroughly.

The refrigerant can only be charged into a dedicated cylinder, the capacity of which shall match with the refrigerant amount charged in the whole refrigeration system. All cylinders to be used are designated for the recovered refrigerant and labeled for that refrigerant (Dedicated Cylinder for Refrigerant Recovery). The cylinders shall be equipped with pressure relief valves and stop valves under favorable state. The empty cylinder shall be vacuumized before usage and be kept under normal temperature if possible.

The recovery equipment shall always be under favorable working state, and be equipped with operation instruc

tions, to facilitate information search. The recovery equipment shall be applicable to the recovery of flammable refrigerant. Moreover, weighing apparatus under available state with measurement certificates shall be equipped. In addition, removable attachment joints free from leakage shall be used as the hose, and shall always be under favorable state. Whether the recovery equipment is under favorable state and is properly maintained and whether all the electrical components are sealed shall be checked before usage, to avoid fire in case of refrigerant leakage. If you have any question, please contact your local dealer or qualified personnel.

The refrigerant recovered shall be delivered back to the manufacturer in appropriate cylinders, with transporting instructions being attached. Mixing of refrigerant in recovery equipment (especially the cylinders) is not allowed.

During transporting, the space in which the flammable refrigerant air conditioners are loaded cannot be sealed. Anti-static measures shall be taken for the transporting vehicles if necessary. Meanwhile, during the transporting, loading and unloading of air conditioners, necessary protective measures shall be taken, to protect the air conditioner from being damaged.

During removal of the compressor or clearing of the compressor oil, it shall be guaranteed that the compressor is vacuumized to a proper level, to ensure no residual flammable refrigerant is left inside the lubricating oil. The vacuumizing shall be completed before the compressor is delivered back to the manufacturer.

vacuumizing can only be accelerated by heating the compressor housing through electrical heating. Safety

The shall be guaranteed when the oil is discharged from the system.

Indoor/Outdoor Unit Installation Drawings

The models adopt HFC free refrigerant R32.

For installation of the indoor units,refer to the installation manual which was provided with the units.(The diagram shows a wall-mounted indoor unit.)

Attention must be paid to

more than 20cm

the rising up of drain hose

more than 10cm

Arrangement of piping directions

Rear left

Left

Below

The marks from to

•

in the

parts numbers. The indoor unit should

•

be installed at the recommended height(1.8m).

figure are the

more than

Rear right

Right

more than 10cm

60cm

more than 10cm

more than 60cm

more than

10cm

Optional parts for piping

Non-adhesive tape

Piping hole cover

le (L.S) with screws

Sadd

Connecting electric cable

for indoor and outdoor

Drain hose

Heating insulating material

Fixing of outdoor unit

Fix the unit to concrete or block

•

with bolts (10mm) and nuts firmly and horizontally. When fitting the unit to wall

•

surface, roof or roofto a supporter surely with nails or wires in consideration of earthquake and strong wind. If vibration may affect the

•

house, the unit by attaching a

fix

vibration-proof mat.

p,fix

more than 30cm

AIR OUTLET

AIR INLET

CONNECTING PIPING AND ELECTRICAL WIRING

Compressor(Inside of Unit)

1.When installing the unit to wall, roof or rooftop, fix a supporter surely with nails or wires in preparation of earthquake and strong wind.

2.Air conditioner mounted not above and one meter away from electric equipment such as television.

Please be subjected to the actual product purchased.

DRAIN HOSE

Safety Precautions

WARNING

• Have the unit professionally installed. Improper installation by

water leak, electric shock,

• Place the unit

weight falling causing injury as a result.

• Only use specified cables for wiring. Securely connect each

cable, and make sure that the cables are not straining the terminals. Cables not connected securely and properly may generate heat and cause fire.

• Take necessary safety measures against typhoons and

earthquakes to prevent the unit from falling over.

•

case

If repairs are not made properly, the unit may leak water

and present a risk or cause fire.

not make any changes or modifications to the unit.

the unit to prevent the unit from tipping over or

problems, consult the dealer.

unqualified person may result

fire.

a stable, level surface that withstands the

electric shock, or it may produce smoke

WARNING

• Be sure to carefully follow each step installing the unit. Improper installation may result

this handbook when

water leak, electric shock,

fire or explosion.

• Have all electrical work performed by a licensed electrician according to the local regulations and the instructions given in

this manual. Secure a circuit designated exclusively to the unit. Improper installation or a lack of circuit capacity may cause the unit to malfunction or present a risk

electric shock,

fire or explosion.

• Securely attach the terminal cover(panel) on the unit. If installed improperly, dust and/or water may enter the unit and present a risk

• Only use refrigerant R as indicated installing or relocating the unit. The use of any other refrigerant or the unit circuit may cause the unit to and abnormal cycle and cause the unit to burst.

electric shock, smoke or fire.

the unit when

introduction of air into

run

abnormal cycle

•

not touch the fins

for they are sharp and dangerous. hypoxia that results from leaked refrigerant reaching the

the event

• ventilation to the room.

If leaked refrigerant gas

gases a specialist.

•

not try to defeat the safety features

do not change the settings.

Defeating the safety features switch and temperature switch or using parts other than the dealer or specialist may result

, fire or explosion will be caused.

the heat exchanger with bare hands, • When installing the unit

a refrigerant gas leak, provide adequate

exposed to a heat source, noxious • When relocating the air conditioner, consult the dealer

the devices, and

the unit such as the pressure

fire

explosion.

a small room, safeguard against

threshold level. Consult the dealer for necessary measures to take.

Improper installation may result

water leak, electric shock,

fire or explosion.

• After completing the service work, check for a refrigerant gas leak. If leaked gas refrigerant is exposed to a heat source such as fan heater,stove,and electric grill, noxious gases

, fire

or explosion.

• Only use specified parts. Have the unit professionally installed. Improper installation may cause water leak, electric shock.smoke

,fire,explosion.

Safety Precautions

Precautions for Handling Units for Use with

Do not use the existing refrigerant piping

• The old refrigerant and refrigerator oil contain a large amount refrigerator oil

• is a high-pressure refrigerant, and the use

23R 23R

existing piping may result

Keep the inner and outer surfaces

free

Store the piping to be used during installation indoors, and Do not use a charging cylinder.

to coat flares and flange connections.

contaminants such as sulfur, oxides, dust/dirt shaving

particles,oils,and moisture.

• Contaminants inside the refrigerant piping will cause the refrigerant oil to deteriorate.

keep both ends of the piping sealed until immediately before • The use brazing.(keep elbows and other joints wrapped

• If dust, dirt, cause the oil compressor to malfunction.

Use a small amount

• A large amount machine oil to deteriorate.

water enters the refrigerant cycle, it may

the unit to deteriorate or may cause the

chlorine, which will cause the

the new unit to deteriorate.

bursting.

ester oil, ether oil,

mineral oil will cause the refrigerating

the pipes clean and

R32

Caution

the existing piping

the

Caution

plastic.)

alkylbenzene

Use a vacuum pump with a reverse-flow check valve.

• If other types of valves are used, the vacuum pump oil will flow back into the refrigerant cycle oil to deteriorate.

Do not use the following tools that have been used with the conventional refrigerants. Prepare tools that are for exclusive use with (Gauge manifold, charging hose, gas leak detector, reverse-flow check valve, refrigerant charge base,vacuum gauge, and refrigerant recovery equipment.)

• If refrigerant and/or refrigerant oil left mixed cause the refrigerant to deteriorate.

• Since does not contain chlorine, gas-leak detectors

R32

with , or if water is mixed with , it will

R32

for conventional HFC refrigerants will not work

charging cylinder will change the composition

the refrigerant and lead to power loss.

Exercise special care when handling the tools.

• An introduction water into the refrigerant cycle will cause the refrigerating machine oil to deteriorate.

foreign objects such as dust, dirt

and

cause the refrigerator

these tools are

R32

Use liquid refrigerant to charge the system.

• Charge the unit with gas refrigerant will cause the refrigerant in

the cylinder to change its composition and will lead to

a drop

performance

Before Installing the Unit

Caution

Do not install the unit

flammable gas leak.

• Leaked gas accumulated around the unit may start a fire.

not use the unit to preserve food, animals, plants, artifacts,

for other special purposes.

•The

unit is not designed to provide adepuate conditions

to preserve the quality

Do not use the unit

• The use

oil, may lead to a remarkable drop malfunction and presents a risk or fire.

•The

ammonia,sulfur compounds,and acid may cause gas water leak.)

the unit

steam, acid, alkaline solvents or special types of sprays

presence

a place where there is a possibility

these items.

unusual environment

the presence

organic solvents, corroded gas (such as

a large amount

performance and/or

electric shock, smoke,

Only use refrigerant.

• The use cause the refrigerant to deteriorate.

When installing the unit

against noise.

• High-frequency medical equipment may interfere with the normal operation conditioning unit may interfere with the normal operation of

• When humidity level exceeds 80% system is clogged, indoor units may drip water.

• Installation of a centralized drainage system for the outdoor

unit may also need to from the outdoor units.

R32

refrigerants containing chlorine(i.e. R22) will

the air conditioning unit

the medical equipment

not place the unit

a hospital, take necessary measures

or over things that may not get wet.

when the drainage

considered to prevent water drips

the air

Safety Precautions

Carefully read the following information Below are listed three kinds

.&.

WARNING

.&.

CAUTION

INSTRUCTIONS: These information can ensure the correct operation Symbols used

(S)

:Indicates

Incorrect operations may result

I Incorrect operations may result

cause serious consequences.

the illustrations

action that must be avoided.

Safety Precautions and Suggestions .

order to operate the air conditioner correctly.

severe consequences

injuries

machine damages;

death or serious injuries .

the machine.

some cases may

0 :Indicates that important instructions must be followed. 0 :Indicates a part which must be grounded.

After reading this handbook, hand it over to those who will be using the unit.

The user relocating the unit. Also, make it available to the new user when the user changes hands.

Be sure to conform with the following important Safety Precautions .

•

any abnormal phenomena is found (e. g.smell the power supply immediately, and contact the dealer to find out the handling method.

Open the window and well ventilated the room

such case, to continue using the condition~r will damage • When need mainten~nce and repairment, the conditioner, and may cause electrical shock or fire call dealer to handle hazard.

• After a long time use the base should be checked for any

damages.

If the damaged base is not repaired, the

unit may fall down and cause accidents.

electric shock (This symbol is displayed on the main unit label.)

the unit should keep this mamual at hand and make it available to those who will be performing repairs

.&.

WARNING

firing), please cut off

air-conditioner and fire hazard.

:':'.)

switcti off outdoor unit.

fil

-e

"'~::-iiiii~;,J

'-=

• Don't dismantle the outlel The exposure

which may harm human beings.

Incorrect maintenance and repairment may cause water leak, electrical shock

fan is very dangerous

it.

the

.&.

WARNING

• No goods placed falling of goods and people may cause accidents.

• Don't operate the air-conditioner with damp hands.Otherwise it will be shocked.

•Only May not use wire or any other materials replacing fuse, otherwise it may cause faults

nobody is permitted to

or stand

explosion-proof fuse

use

fire accidents.

outdoor unit.The

•

• Use discharge pipe correctly to ensure efficient discharge.

Incorrect pipe use may cause water leaking.

• installed electrical-leaking circuit breaker.

It easily cause electrical shock without circuit breaker.

• Air-conditioner can't be installed inflammable gases because the inflammable gases near air-conditioner may cause fire hazard. 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 every measure even

case

• When conditioner be responsible for them. Incorrect installation may cause water leaking, electrical shock and fire hazard.

• Connect earthing wire. Earthing wire should not be connected to the gas pipe, water pipe, lightning incorrect earthing may cause shock.

refrigerant leakage.

order to prevent suffocation accident

installed or reinstalled, the dealer should

the environment with

a small room, be sure to take

rod

or phone line,

Earthing

Safety Precautions

Before Installing (Relocating) the Unit or Performing Electric Work

Caution

Ground the unit.

• Do not connect the grounding pipes, lightning rods, or the grounding terminals of telephones. Improper grounding presents a risk shock, smoke, fire, grounding may cause the unit to malfunction.

Make sure the wires are not subject to tension.

• If the wires are too taut, they may break or generate heat and/or smoke and cause fire.

the noise caused by improper

the unit to gas pipes,water

electric

Install a explosion-proof breaker for current leakage at the power source to avoid the risk of the electric shock.

Without a breaker for current leakage will cause risks

•

of electric shock, fire or explosion. Do not use large-capacity fuses,steel wire,or copper wire.

•

Damaging the unit ,fire,smoke or explosion will be

caused otherwise.

Before the Test Run

Caution

Do not spray water on the air conditioners air conditioners

• Water on the unit presents a risk

Periodically check the platform on which to prevent the unit from falling.

• If the unit causing injury.

When installing draining pipes, follow the instructions

manual, and make sure that they properly drain water so as to avoid dew condensation.

• If not installed properly, they may cause water leaks and damage the furnishings.

Properly dispose

• Things such as nails may be included

Dispose

• Plastic bags present a choking hazard to children. Tear up the plastic bags before disposing of them to prevent accidents.

water.

left

a damaged plarform, it may topple over,

the packing materials .

them properly to prevent injury.

immerse the

electric shock.

placed for damage

the package.

the

Do not operate switches with wet hands to avoid electric. Do not touch the refrigerant pipes with bare hands during

and immediately after operation.

• Depending on the state of

certain parts may become very cold or hot and may subject the person to frost bites

Do not operated the unit without panels and safety guards in

their proper places.

• They are there to keep the users from injury from

accidentally touching rotating, high-tempreture or highvoltage parts.

the unit such as the pipes and compressor

burning.

the refrigerant

the system,

Do not turn off the power immediately after stopping the unit.

• Allow for at least five minutes before turning off the unit, otherwise the unit may leak water or experience other problems.

Do not operate the unit without air filters.

• Dust particles malfunction.

the air may clog the system and cause

Read Before Installation

Items to Be Checked

Verify the type

(2). Check the symptom exhibited by the unit to be serviced. Look

refrigerant cycle. (3). Be sure to carefully read the safety precautions at the beginning (4

If there is a gas leak or if the remaining refrigerant is exposed to

form. Keep workplace well ventilated.

CAUTION

• Install new pipes immediately after removing old ones to keep moisture out

• Chloride

Necessary Tools and Materials

Prepare the following tools and materials necessary for installing and servicing the unit. Necessary tools for use with (Adaptability

be used exclusively with ( Not to be used if used with R22

Tools/Materials Use Notes Gauge Manifold Evacuating.refrigerant charging 5.09MPa on the High-pressure side. Charging Hose Evacuating, refrigerant charging Hose diameter larger than the concentional ones.

Refrigerant Recovery Equipment Refrigerant recovery Refrigerant Cylinder Refrigerant charging Write down the refrigerant type. Pink Refrigerant Cylinder Charging Port Refrigerant charging Hose diameter larger than the conventional ones. Flare Nut Connecting the unit to piping Use Type-2 Flare nuts.

refrigerant used by the unit to be serviced. Refrigerant Type:

some types

R32

this service handbook for symptoms relating to the

this document.

open flame, a noxious gas hydrofluoric acid may

the refrigerant circuit.

refrigerants such as R22 will cause the refrigerating machine oil to deteriorate.

R32

tools that are for use with R22 and R407C).

R407C )

color at the top

the cylinder.

Tools and materials that may be used with with some restrictions

Tools/Materials Use Notes Gas leak detector Detection Vacuum Pump Vacuum drying May

Flare Tool Flare machining Refrigerant Recovery Equipment Recovery

Tools and materials that are used with R22 or R407C that can also be used with

Tools/Materials Use Notes Vacuum Pump with a Check Valve Vacuum drying

Bender Bending pipes

Torque Wrench Tightening flare nuts

Pipe Cutter Cutting pipes

Welder and Nitrogen Cylinder Welding pipes

Refrigerant Charging Meter Refrigerant charging

Vacuum Gauze Checking vacuum degree

Tool

and materials that must not used with

Tools/Materials Use Notes

Charging Cylinder Refrigerant Charging Must not be used with -type units.

Tools for must be handled with special care, and keep moisture and dust from entering the cycle.

R32

gas leaks The ones for HFC type refrigerant may be used.

used if a reverse flow check adaptor is attached.

piping Chages have been made

refrigerant May

used if designed for use with

the flare machining dimension.Refer to the next page.

R32

Only

cj:,12.70

(1/2") and

cj:,

15.88(5/8") have a larger flare machining dimension.

R32

Read Before Installation

Piping Materials

Types

• Use pipes that meet the local standards.

Piping Materials/Radial Thickness

Use pipes made Since the operation pressure at least the radial thickness specified

Copper Pipes (Reference)

Maximum Operation Pressure Applicable Refrigerants

3.4MPa

4. MPa

phosphorus deoxidized copper.

R22,R407C

R32

the units that use is

the chart below. (Pipes with a radial thickness

R32

hig_her

than that

the units for use with R22, use pipes with

0.7mm

less may not be used.)

Size(mm) Size(inch) Radial Thickness(mm) cp6.35 1/4" 0.8t

cp9.52 3/8" 0.8t cp

12.7 1/2" 0.8t

C/)

15.88

C/)

19.05 3/4" 1.0t Type-1/2H

5/8" 1.0t

• Although it was possible to use type-O for pipes with a size 1 /2H pipes for units that use .(Type-O pipes may be used if the pipe size

• The table shows the standards

R32

Japan. Using this table as a reference, choose pipes that meet the local standards.

Type

Type-O pipes

Hpipes

c/)

19.05(3/4") with conventional refrigerants, use type-

Flare Machining (type-O and OL only)

The flare machining dimensions for units that use

R32

is larger than those for units that use R22

air tightness. Flare Machining Dimension(mm)

External dimension

<P6.35 <P9.52 <P12.7 <P15.88 <P19.05

pipes

Size

1/4" 3/8" 13.2 1/2" 5/8" 19.7 3/4" 24.0

R32

9.1

16.6

Dimension A

R22

9.0

13.0

16.2

19.4

23.3

c/)19.05

and the radial thickness is 1.2t.)

order to increase

If a clutch type flare tool is used to machine flares

units that use , make the protruding part

1.0 and 1.5mm. Copper pipe gauge for adjusting the length

Flare Nut

Type-2 flare nuts instead

type-1 nuts are used to increase the strength. The size of some

been changed. Flare nut dimension(mm)

External dimension

<P6.35 <P9.52

<P12.7 <P15.88 <P19.05

pipes Size

1/4" 17.0 17.0

3/8"

1/2" 26.0 24.0 5/8" 3/4" 36.0 36.0

• The table shows the standards

Dimension B

(Type2) R22(Type1)

R32

22.0

29.0 27.0

22.0

Japan. Using this table as a reference, choose pipes that meet the local standards.

R32

pipe protrusion is useful.

ED~

Dimension B

the pipe between

the flare nuts have also

Read Before Installation

Air Tightness Test

No changes from the conventional method. Note that a refrigerant leakage detector for R22 or leakage.

10A

cannot detect

R32

Halide torch R22 or R407C leakage detector

Items to be strictly observed :

1.Pressurize the equipment with nitrogen up to the design pressure and then judge the equipment's air tightness, taking temperature variations into account.

2.When investigating leakage locations using a refrigerant, be sure to use

3.Ensure that is

Reasons:

Use

2.Charging with gas will lead the composition

refrigerant can not be used.

Vacuuming

1.Vacuum pump with check valve

A vacuum pump with a check valve is required to prevent the vacuum pump oil from flowing back into the refrigerant circuit when the vacuum pump power is turned off (power failure). It is also possible to attach a check valve to the actual vacuum pump afterwards.

R32

oxygen as the pressurized gas may cause an explosion.

R32

a liquid state when charging.

the remaining refrigerant

R32

the cylinder to change and then this

2.Standard degree

Use a pump which reaches 65Pa or below after 5 minutes In

addition, be sure to use a vacuum pump that has been properly maintained and oiled using the specified oil. If the

vacuum pump is not properly maintained, the degree

3.Required accuracy

Use a vacuum gauge that can measure up to 650Pa. Do not use a general gauge manifold since it cannot measure a

vacuum

4.Evacuating time

Evacuate the equipment for 1 hour after 650Pa has been reached.

After envacuating, leave the equipment for 1 hour and make sure the that vacuum

5-0perating procedure when the vacuum pump

In charge hose to drawn vacuum pump with a check valve.

Charging Refrigerant

R32

Reasons:

R32

however, the composition

Note

•

In type

Remedies to be taken

When refrigerant leaks, additional refrigerant may be charged. (Add the refrigerant from the liquid side)

650Pa.

order to prevent a backflow

must be

HFC

is a refrigerant (boiling point = -52 °C ) and can roughly be handled

sure to fill the refrigerant from the liquid side, for doing so from the gas side will somewhat change

the case

cylinder before charging.

vacuum for the vacuum pump

operation.

vacuum may be too low.

the vacuum gauge

not lost.

stopped

the vacuum pump oil, open the relief valve on the vacuum pump side or loosen the

air before stopping operation.The same operating procedure should be used when using a

a liquid state when charging.

the same way as R

the refrigerant

a cylinder with a syphon, liquid is charged without turning the cylinder up side down. Check the

case

the cylinder.

a refrigerant leak

R32

410A

Characteristics

• Because is a simulated azeotropic refrigerant, it can be handled such as R22. Howerver, if the refrigerant is removed in the vapor phase, the composition will somewhat change.

• Remove the refrigerant

R32

the Conventional and the New Refrigerants

the liquid phase. Additional refrigerant may be added

almost the same mammer as a single refrigerant

case

the refrigerant

a refrigerant leak.

the cylinder

Installation Procedure

Accessories

"Edging" for protection

Selection

Select the place user.

• Place where air circulates.

• Place free from heat radiation from other heat sources.

• Place where drain water may be discharged.

• Place where noise and hot air may not disturb the neighborhood.

• Place where there is not heavy snowfall

• Place where obstacles do not exist near the air inlet and air outlet .

• Place where the air outlet may not be exposed to a strong wind.

• Place surrounded at four sides are not suitable for installation. A 1 m or more

• Avoid mounting guide-louvers to the place where short-circuit is a possibility.

• When installing several units, secure sufficient suction space to avoid short circuiting.

Open space requirement around the unit

the place

V Air inlet

;;,,

100

....

c::J;61

vAiroutlet

electrical wires from

installation

installation satisfying the following conditions and, at the same time, obtain a consent from the client or

;;,,

100

;;,,

300

(Servicing space)

;;,,

600

opening edge.

the winter time.

overhead space is needed for the unit.

Note:

(1) Fix the parts with screws. (2) Don't intake the strong wind directly to , t<:\

the outlet air-flow hole.

(3) A one meter distance should be

kept from the unit top. (4) Don't block the surroundings (5) If the outdoor unit is installed

to the wind, install the unit so that the outlet grid is NOT

pointing

the direction

Installation

the unit with sundries.

a place that is exposed

the wind.

Outdoor Unit

Air outlet

\.Y

Wind direction

Installation

Fix the unit on the foundation condition

information.

• Give enough room for the concrete foundation to fix by anchor bolts.

• Place the concrete foundation deep enough.

• Install the unit so that the angle

• Forbidden to place the unit near the drainage hole

outdoor unit

a proper way according to the

the installation place, referring to the following

inclination must be less than 3 degrees.

the ground directly.Please confirm there is enough room

bottom plate, which will ensure the water be drained smoothly.

4.Installation dimension(Unit:mm)

313

160

374

60mm

43.4mm

A=170mm C=130mm

60mm

36mm

A=222mm C=165mm

Floor fixing dimensions of the outdoor unit (Unit:mm)

1U09MADFRA 1U26MADFRA 1U12MADFRA 1U35MADFRA

1U18WADFRA 1U53WADFRA 1U24WADFRA 1U71WADFRA

510

130

r---,,,,---;

130 130

of (Unil:mm)

------...---1--~

630

the outdoor unit

Cushion rubber

AS26PBDHRA AS35PBDHRA

AS53PDDHRA AS71PDDHRA

B=Ø60mm

43.4mm

60mm

42mm

Installation Procedure

Piping size

Piping Connection

AS26PBDHRA/1U26MADFRA

FOR

AS35PBDHRA/1U35MADFRA

AS53PDDHRA/1U53WADFRA

FOR

AS71PDDHRA/1U71WADFRA

Connection of pipes

When bending the pipe, be careful not to crush it. To prevent breaking of the pipe, avoid sharp bends.

•

Bend the pipe with a radius of curvature of 40 mm or over. Connecting the pipe of gas side

•

The connection pipe is specialized for R32.

Liquid pipe

Gas pipe

Liquid pipe

Gas pipe

rst makes working easier.

6.35x0.8mm

9.52x0.8mm

6.35x0.8mm

12.7x0.8mm

• Install the removed flare nuts to the pipes to be connected, then flare the pipes .

•

Half union

Spanner

Flare nut

Torque wrench

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

Pipe Diameter( ) Fastening torque

Liquid side6.35mm(1/4") 18N.m

Liquid/Gas side9.52mm(3/8") 42 N.m

Gas side 12.7mm(1/2") 55N.m

Gas side 15.88mm(5/8") 60 N.m

Be careful that matters, such as wastes of sand

s,water,

CAUTION

The standard pipe length is Cm. If the pipe according to D g/m. But the charge of refrigerant engineer. Before adding additional refrigerant, unit using a vacuum pump,then charge additional refrigerant.

Outdoor unit

Indoor unit

Outdoor unit

Max.Elevation:

•

In case the elevation A is more

•

than 5m, oil trap shoud be

Oil trap

Indoor unit

installed every 5~7 Max. Length:

•

M i n. Length:

•

In case the pipe length B is

•

more than Cm, the refrigerant should be charged, according to D g/m.

to be lengthened, the refrigerant should be charged,

has

must

be conducted by profes

perform air purging from the refrigerant pipes and indoor

Indoor unit

Amax

Bmax B min

, etc. shall not enter the pipe.

sional air conditioner

Outdoor

1U26MADFRA 1U35MADFRA

1U53WADFRA 1U71WADFRA

Unit

Amax Bmax

15 25

Bmin

C D

Installation Procedure

After finishing connection

refrigerant pipe, it shall perform air tightness test.

Air Tightness Test

• The air tightness test adopts nitrogen tank to give pressure according to the pipe connection mode as the following figure shown.

• The gas and liquid valve are all in close state.

order to prevent the nitrogen entering the circulation system

outdoor

unit, tighten the valve rod before giving pressure (both gas and liquid valve rods).

Low pressure piezometer

\ High pre~sure piezometer

stop valve totally closed

n oor - - u oor

,--

-- -

____

, 1

' I

I I Flare part 1

Indoor units

Completely tightened

I Flare part

Completely tightened :

.---

I '

, --

L Oufcfoor units '

(Gas side)

_ _

______

--,

Dischar ing

f Manhole /:.' !Dropping valve

/ •

stop valve totally closed

(Liquid side)

1) Pressurize for over 3 minutes at 0.3MPa (3.0 kg/cm2g).

2) Pressurize for over 3 minutes at 1.5MPa (15 kg/cm2g). A large leakage will be found.

3) Pressurize for about 24 hours at 3.0MPa (30 kg/cm

g}. A small

leakage will be found.

:~.:

valie

~::

Sweatj6int

Large

ovL

VHQ

-.,..,............,....,

Line

Tubing

-✓-

slip-on

Meter separator

Nitrogen tank

pressure gauge

bring

··-......_

brazed

connector _

Service

hose

---

• Check if the pressure drops

If the pressure does not drop, then pass. If the pressure drops, then please check the leaking point.

When pressurizing for 24 hours, a variation in

pressure. It shall be corrected during test.

1 • C

the ambient temperature will cause a variation of

0.01

MPa(0.1 kg/cm2g}

• Checking the leaking point In

1) to 3) steps, if the pressure drops, check the leakage

each joint by listening, touching and using soap water etc.

to identify the leaking point. After confirming the leaking point, welding it again or tighten the nut tightly again.

Installation Procedure

Vacuuming

Piping vavuum method: to use vacuum pump

Detach the service port's cap

valve and 3-way valves, and connect the service port into the projection

charge hose (low) for gaugemanifold. Then connect the projection hose (center) for gaugemanifold into vacuum pump.

2. Open the handle at low scale-moves

the step 1 again.

3. Vacuumize for over 15min. check the level gauge which should read -

0.1

MPa (-76 cm Hg) at low pressure side. After the completion close the handle 'Lo' and hold it for 1-2min. If the scale-moves back

flaring work again, then return to the beginning

4. Open the valve for the 2-way valve to an angle After 6 seconds, close the 2-way valve and make the inspection

gause (low) reach vacuum condition

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

gaugemanifold, and operate vacuum pump. If the

a moment, check

evacuation

the vacuum pump. Check the condition

spite

the step 3.

anticlockwise 90

the scale

tightening, make

degree.

gas leakge.

charge

2wayvalve

3wayvalve

Liquid stop valve

Gas stop valve

Vacuum pump

5. No gas leakage? does not stop gas leakage, discharge whole refrigerants from the service port. After flaring work again, fill up prescribed

refrigerant from the gas cylinder.

6. Detach the charge hose from the service port, open 2-way valve and 3-way.

Turn the valve rod anticlockwise until hitting lightly.

prevent the gas leakage, turn the service ports cap, the valve rodis cap

for 2-way valve and 3-way's a little more than the point where the torque

increases suddenly.

case

gas leakage, tighten parts

pipe connection. If leakage stops, then proceed the step 6. If it

llw

2wyv~IVr

3 wa1 valve \ ,

Ii I I~

l£;;:?

Service port cap

Valve rod cap

6 Valve rod cap

CAUTION:

If the refrigerant

the liquid refrigerant into air conditioner according to the amount marked on the nameplate.

the air conditioner leaks, it is necessary to make all the refrigerant out.

Evacuate

first, then charge

Installation Procedure

Electrical Wiring

WARNING!

DANGER OF BODILY INJURY OR DEATH

• TURN OFF ELECTRIC POWER

CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC

CONNECTIONS.

• GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS.

Precautions for Electrical wiring

• Electrical wiring work should

•

not connect more than three wires to the terminal block. Always use round type crimped terminal lugs with insulated

grip

the ends

the wires.

conducted only by authorized personnel.

• Use copper conductor only.

Selection

size

power supply and interconnecting wires

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

Circuit breaker

Phase

• If the supply cord

• If the fuse

1U26MADFRA 1U35MADFRA

1U53WADFRA

1U71WADFRA

control box

damaged, it must

• The wiring method should

• All the cables shall have got the authentication certificate. During installation, when the connecting cables break off, it must

The explosion-proof breaker of the air conditioner should be all-pole switch. The distance between its two contacts should not be no

•

assured that the grouding wire

less than 3mm. Such means for disconnection must

• The distance between its two terminal blocks diameter

A explosion-proof breaker must be installed.

•

the wire should

Switch breaker Overcurrent protector

(A) rated capacity (A)

201

replaced by the manufacturer or itsservice agent or a similar qualified person.

broken, please change it with the

line with the local wiring standard.

15 2.5

ceramic type of AC 250V, T25A.

local

the last one to

incorporation

indoor unit and outdoor unit should not

enlarged according to the local wiring standard .

Power source

wire size

(minimum)

(mm

2.5

broken off .

the fixed wiring.

Earth leakage breaker

Switch Leak

)

breaker(A) current(mA)

20 30

over 5m. If exceeded, the

Wiring procedure

1) Remove set screws on the side before taking off the front panel toward the direction.

2) Connect wires to the terminal block correctly and fix the wires with a wire clamp equipped nearby the terminal block.

3) Route the wires

a proper way and penetrate the wires through the opening for electrical wiring

the side panel.

WARNING:

INTERCONNECTING WIRES MUST EQUIPMENT DAMAGE.

Power cable:

-mod 09-12:

4G1.5mm

Power cable:

-mod:18-24:3G2.5mm²

4G1.5mm

3G1.5mm

POWER

WIRED ACCORDING

1U09MADFRA 1U12MADFRA 1U26MADFRA 1U35MADFRA

Connecting wiring

1U18WADFRA 1U24WADFRA 1U53WADFRA

1U71WADFRA

Power cable

Model

FIGURE

4G1.5mm²

3G1.5mm²

09K

BELOW

4G1.5mm²

3G1.5mm²

INCORRECT WIRING MAY CAUSE

12K

18K

4G1.5mm²

3G2.5mm²

24K

4G1.5mm²

3G2.5mm²

Outdoor Unit

Troubleshooting

CAUTION!

• THIS UNIT WILL BE

SURE TO EXECUTE "OFF" OPERATION BEFORE ELECTRIC POWER

• This unit has a function

STARTED INSTANTLY WITHOUT "ON" OPERATION WHEN ELECTRIC POWER

automatic restart system after recovering power stoppage.

1. Before starting test run (for all Heat pump models)

Confirm whether the power source breaker (main switch) crankcase heater

advance

operation.

the unit has been turned

2.Test run

Run the unit continuously for about 30 minutes, and check the following.

• Suction pressure at check joint

• Discharge pressure at check joint

service valve for gas pipe.

the compressor discharge pipe.

• Temperature difference between return air and supply air for indoor unit.

SUPPLIED.

DISCONNECTED FOR SERVICING.

for over 12 hrs to energize the

Flash times

on mainboard

LED

Trouble description

Eeprom failure Outdoor main board eeprom fail

1PM

failure

Communication error between main board and sodu module

High pressure protection System high pressure over 4.

Compressor discharging temperature protection Compressor discharging temperature over centigrade

Abnormal

Suction temperature sensor failure

Abnormal

Communication outdoor unit

SPDU Communication error

DC mater Jam of DC motor

piping sensor Piping sensor short-circuit

outdoor ambient sensor Outdoor ambient sensor short-circuit or open-circuit

compressor discharge sensor

error

between indoor and

Lack of refrigerant

4-way valve reverse failure

Compressor jam(only for spdu) Inner compressor is abnormal jamed

1PM

Communication fail over 4min

When the The wiring of compressor is wrong or the connection is poor

Compressor discharge sensor short-circuit

Communication fail over 4min

Check if there is leakage in the unit.

Alarm and stop compressor has started for the failure

Analyze and diagnose

failure

detect

it appears 3 times

Mpa

motor failure

open-circuit

T <=

1 0min

110

open-circuit

last

for

heating mode, confirm

one hour.

1 min

after

Module PWM select circuit error Module PWM select wrong circuit

Compressor Li-phase over-current The current Compressor V-phase over-current The current

Compressor W-phase over-current The current

compressor Li-phase is too high

compressor V-phase

compressor W-phase is too high

too high

For Haier Appliances

Australia 1300 729 948 | haier.com.au New Zealand 0800 424 372 | haier.co.nz

Haie,

Air

Conditioning

The product dimensions and speciﬁ cations in this document apply to the speciﬁ c products and

models described at the date of issue. Under our policy of continuous product improvement, these

dimensions and speciﬁ cations may change at any time. You should therefore check with your dealer or Haier’s Customer Care Centre to ensure this ﬂ yer correctly describes the products currently available.

Fisher & Paykel Australia Pty Ltd, Level 1, 1 Eden Park Drive, Macquarie Park, NSW 2113. Phone Customer Care: 1300 729 948 Email: customer.care@haier.com.au

Fisher & Paykel Appliances Ltd, 78 Springs Road, East Tamaki, Auckland 2013. Phone Customer Care: 0800 424 372. Email: customer.care@haier.co.nz

Haier 1U09MADFRA, 1U12MADFRA, 1U18WADFRA, 1U26MADFRA, 1U35MADFRA Installation Guide

Specifications and Main Features

Frequently Asked Questions

User Manual