Haier AD842AHEAA User's Manual
Contents
1. Is the power source switch Is city supply power in normal Isn t the signal receiving Isn t the earth leakage breaker adjust cut in section exposed to the direct in action G sunlight or strong illumination H It is dangerous Turn off the OF Ae power supply switch ANH immediately and contact the Power supply switch is not ON sales dealer Cooling or heating is not sufficient Isn t the air filter dirty Is the thermostat adjust as required Isn t any doors or windows Doesn t any obstacle exist at left open the air inlet or outlet Isn t the swing louver horizontal At HEATING mode If swing louver is horizontal the blow wind does not reach floor Cooling is not sufficient Isn t sun shine invading direct Isn t any unexpected heating Isn t the room much crowded The wind does not blow during load generated heating operation Isn t it warming up When the air conditioner does not operate properly after you have checked the above mentioned items or when the following phenomenon is observed stop the operation of the air conditioner and contact your sales dealer fuse or breaker often shuts down e Water drops off during cooling operation There is a irregularity in operation or abnormal sound is audible e When the CHECK lamp red flickers an irregularity has occurred in the air conditioner Note This unit has a function2. C Outdoor Indoor Heating Maximum D B W B 24 1 18 C Minimum D B W B 7 C 8 C 2 If the supply cord is damaged it must be replaced by the manufacturer or its service agent or a similar qualified person 3 If the fuse on indoor unit PC board is broken please change it with the type of T 3 15A 250V If the fuse on outdoor unit PC board is broken please change it with the type of T 6 3A 250V 4 The wiring method should be in line with the local wiring standard 5 The power cable and connecting cable are self provided The power cable should be 5G 6 0mm The connecting cable should be 4G 1 5mm All the cables shall have got the European 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 6 The breaker of the air conditioner should be all pole switch and the distance between its two contacts should be no less than 3mm 7 The indoor unit installation height is at least 2 5m NOTE Installation and maintenance must be meet the local installation and maintenance instructions and should operate by the experienced special installation and maintenance technicians Otherwise we don lt take any duty of the units damage injure to the person caused by improper operation WARNING 1 The sharp edges and corners and coil surface have the danger to injury Please avoid of them 2 1176 ve
3. 01MPa 0 1kg cm g pressure change for every 1 ambient temperature change during the 24 hour pressure charge It should be corrected during the test eCheck for leakage In the case of pressure decrease during steps 1 to 3 check the joints with the ear hand or soapsuds for leakage Repair it by welding or tighten the connecting nut up 22 Installation Precedure Outdoor Unit 7 Pipe Vacuumizing e Use vacuum pump to evacuate the air Never use the refrigerant for the evacuation Drain off the nitrogen gas after the leak test and then connect the vacuum pump as shown the figure below e The vacuum pumping must be done from both the liquid and gas inlets Low pressure gauge High pressure gauge Indoor Outdoor Tightly Solder 47 closed Solder joint Tightly i Tightl closed Solder joint eosed Indoor unit PA AG AA Outdoor unit Three way valve fully closed liquid side Detailed diagram of the three way valve Gas side access hole Gas side three way valve To the gauge distributor Liquid side access hole Liquid side three way valve To the unit To the unit Field tube Field tube installation installation Use a vacuum pump with high degree of vacuum below 755mmHg and large volume displacement above 40L min e The pumping time depends on the length of the connecting pipe Generally it take
4. By reducing the capacity of the outdoor unit When outdoor unit be made up of several units the outdoor capacity of each system should reduce So the refrigerant content of system reduce 3 Install ventilation fans Users can install uninterrupted ventilation fans to keep the refrigerant density Ventilation fan and gas leak alariming device The gas leak alarming device should be Vertilation opening under the critical value ER installed at refrigerant If uninterrupted ventilation is impossible a combined fanning and alarming gas stagnation areas device should be installed in its stead through which immediate ventilation An example is possible when leak occurs See the figure Right 24 Installation Precedure Electrical Wiring A WARNING DANGER OF BODILY INJURY OR DEATH TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC CONNECTIONS e GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS Precautions for Electrical wiring Electrical wiring work should be conducted only by authorized personnel eDo 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 Selection of size of power supply and interconnecting wires Select wire sizes and circuit protection from table below This table shows 20 m
5. Confirm the way to move the unit to the installation place e Before moving the unit to the installation place do not remove their packages When having 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 2 Selecting the installation place 1 The chosen installation place should meet the following requirements and get the 15 consent Place ensures ideal airflow distribution passage of airflow has no obstacles eWhen 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 e Place ensures enough space for maintenance e The pipe length between indoor and outdoor unit is in the permitted limit referring to outdoor unit installation part 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 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 Over 100 Over 900 Checking meatu
6. gas side Now adjust the gas valve to control the refrigerant flow which will be gasified during absorption by the system e f there is insufficient refrigerant in the system caused by leaks refill it after the remaining refrigerant is recollected Open all valves Open all the valves of the outdoor unit Heat isolation of the pipes Separate isolation should be made for the liquid and gas pipes e Materials used for the pipe isolation at the gas side must withstand above 120 C temperature Calculation of refrigerant density Calculation will be made according to the following methods 1 Total refrigerant content of each system kg content of 1 outdoor system refilled refrigerant Content of 1 outdoor system Factory filled refrigerant Refilled refrigerant Filled content during installation according to the diameter and length of the liquid piping 2 Calculation of the minimum room sapce 3 Calculation of refrigerant density Total refrigerant content Minimum room space lt Refrigerant density 0 3 kg m Preventive measures against excess of critical value 1 Make ventilation holes Ventilation holes should be built above and under the door The area of each hole should not be smaller than 0 15 of the room space Holes can be made directly in the wall 2 Reduce the filling content of refrigerant e By shortening the distance between the indoor and outdoor units filling content of refrigerant can be reduced
7. of automatic restart system after recovering power stoppage Please contact the sales dealer if it is not required Troubleshooting The followings are not malfunction Water flowing sound is heard Spo Shug When the air conditioner is started when the compressor starts or stops during operation or when the air conditioner is stopped it sometimes sounds shuru shuru or gobo gobo It is the flowing sound of the refrigerant and it is not a trouble Cracking sound is heard This is caused by heat expansion or contraction of plastics It smells Air which blows out from the indoor unit sometimes smells The smell results from residents of tobacco smoke or cosmetics stuck inside of unit During operation white fog comes out of indoor unit When the air conditioner is used at restaurant etc where dense edible oil fume always exists white fog sometimes blows out of air outlet during operation In this case consult sales dealer for cleaning the heat exchanger It is switched into the FAN mode during cooling To prevent frost from being accumulated on the indoor unit heat exchanger it is sometimes automatically switched to the FAN mode but it will soon return to the cooling mode The air conditioner can not be restarted soon after it stops Unit does not start Even if the operation switch is turned on cooling dehumidifying or heating is not operable for three minutes after the condit
8. outdoor unit is 30 meters 8 It should install the liquid check ring and accumulator according to the outdoor unit and indoor unit position see the following figures Fig 1 Outdoor unit below the indoor unit Fig 2 Outdoor unit is above the indoor unit Liquid check ring indoor unit Accumulator a set per 6 meters outdoor unit indoor unit During welding of the distribution pipe 1 In case of brazing weld of joint nitrogen must be filled in the pipe to prevent oxidization 2 The refrigerant pipe should be newly made and clean During installation do not let water and other substance into the pipe 3 Use two spanners to tighten the connecting nut One spanner will make loose connection 4 The torque moment should conform to the specified value Refer to the below Torque moment for tightening the nut Torque moment for Torque moment for een pre installation N m tightening up N m 12 70 49 0 5 0kgf m 53 9 5 5kgf m 5 Outdoor unit pipelines connection According to the pipeline connection method connect the distribute pipes and inlet amp outlet liquid pipes 21 Installation Precedure Outdoor Unit 6 Leak Test e Leak test must be made after connection of the refrigerant pipe according to the following diagram Close all the gas and liquid valves To prevent nitrogen gas from invading the
9. sure to use the products which are recommended by us These devices should be attached by a professional installer Installation by yourself is not encouraged because Application to inferior environment such as an it could cause such problems as water leakage engineering shop could cause equipment electrical shock or fire accident by some improper malfunction and serious injury or death it could cause such problems as water leakage electrical shock or fire accident by some improper handing Installation by yourself is not encouraged because handing CAUTION Do not install nearby the place where may have Depending on the place of installation a circuit leakage of flammable gas NYAN breaker may be necessary cg OFF Drain pipe should be arranged to provide a positive draining If the pipe is arranged improperly furniture or the likes may be damaged by leaked water If the gas leakes and gathers around it may cause Unless the circuit breaker is installed it could the fire cause elecrical shocks Where strong winds may prevail the system should Install on the place where can endure the weight Make sure the system is grounded be fixed securely to prevent a collapse of air conditioner Grounding cable should never be connected to a gas pipe city water pipe lightning conductor rod or grounding cable of telephone If th
10. 020 5 Heat insulation accessory pa _ for gas pipe Gas pipe Liquid pipe 80 510 Gas pipe Electric box CD Air inlet Air outlet gt Drain hose connection mout VP25 PVC pipe 18 Installation Precedure Outdoor Unit 1 Selecting the installation place Warning e It should be installed at places where it is firm enough to withstand the weight of the air conditioner to prevent falling e Typhoon and earthquake prevention It should be installed according to specific requirements Inappropriate installation may lead to accidents Dimension of outdoor unit 140 gt la 1550 Installtion space 1 During installation connect the outdoor unit and align the mounting surface gt See the figure on the right Mount the electric distribution device on the external side of the unit in to the installation instructions for Absorb sas Absorbiin electric distribution device Absorb in Working repair surface 2 To ensure good performance of the machine and facilitate installation and maintenance adequate space must be reserved See figure on the right Note Obstacles should be 2000mm off the top of the outdoor unit Obstacles nearby should be 400mm lower than the top of the unit A vertical view of the outdoor unit 2 De
11. 50 5 500 250 x 1090 250 x 390 6 000 100 250 x 1180 3 000 50 250 x 650 3 500 250 x 740 4 000 250 x 830 17 Installation Precedure indoor Unit 8 The attentive matters in installation of air suction and discharging duct Special air discharging outlet to use anti frost and sound absorbing duct locally bought Use screw bolt to fix The duct installation work should be finished before the fitment of ceiling duct must be heat insulated e The specific air discharging outlet should be installed at the place where the airflow can be reasonably distributed eThe 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 e 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 Ha the whole use iron net to bind the glass fiber IA e Maybe exceeding the unit operation limit for example when indoor dry bulb 7 gt temperature is 35 C wet b
12. DUCT TYPE AIR CONDITIONER Operation manual Installation manual AD842AHEAA AU84NATEAA No 0150504624 B e Please read this operation manual before using the air conditioner Please keep this manual carefully and safely Contents Cautions 4 4 4 1 4 1 4 4 2 2 Safety Precautions 3 5 Parts and Functions 2 6 6 Heating Mode 7 7 Care and Maintenance 8 8 Troubleshooting 1 4 4 4 1 9 11 Precaution for Installation 12 12 Is the Unit Installed Correctly gt Sees Ress 13 13 Installation Procedure 14 25 Cautions Disposal of the old air conditioner Before disposing an o
13. at pump type warming the mechanism of heat pump that concentrate heat of outdoor air with the help of refrigerant to warm the indoor space is utilized eDefrosting operation When a room is warmed with a heat pump type air conditioner frost accumulates on the heat exchanger of outdoor unit along with the drop of indoor temperature Since the accumulated frost reduces the effect of warming it is necessery to automatically switch the operation to the defrosting mode During the defrosting operation heating operation is interrupted e Atmospheric temperature and warming capacity Warming capacity of heat pump type air conditioner decreases along with the drop of outdoor temperature When the warming capacity is not sufficient it is recommended to use another heating implement e Period of warm up Since the heat pump type air conditioner employs a method to circulate warm winds to warm the entire space of a room it takes time before the room temperature rises It is recommendable to start the operation a little earlier in a very cold morning Care and Maintenance Points to observe Turn off the power supply switch Do not touch with wet hand Do not use hot water or volatile liquid me O O Do not Thinner use Benzine Tooth powder CAUTION e Do not open the inlet grill until fan stops completely e Fan will continue rotating for a while by the law of inertia after operation is being stopped Clean
14. atic pressure of air sending motor H2 1 2H1 or between 50 100mm H2 H1 bend is set near the air conditioner Drainage Test 1 Conduct a drainage test after completion of the electrical work 2 During the trial make sure that drain flows properly through the piping and that no water leaks from connections IS 3 In case of a new building conduct the test before it is furnished with the ceiling 4 Be sure to conduct this test even when the unit is installed in the heating season Procedures 1 Supply about 1000 cc of water to the unit through the air outlet using a feed water pump 2 Check the drain while cooling operation 16 Installation Precedure indoor Unit 6 Installation of air suction and discharging duct Please consult the after sales service personnel 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 muffler cavity air sending Sacking joint Insulation lt 7 _ Air volume adjuster Enlarging chart of profile chart A 1 Ar N conditioner Ceiling ir outlet on main unit Vibration resistance hook Checking meatus Air suction grille with air filter length difference among every duct is limited below 2 1 e Reduc
15. d cause deterioration of food or other problems Do not handle switches with a wet hand O It could cause electric shocks Combustion apparatus should not be placed allowing a direct exposure to wind of air conditioner O Incomplete combustion could occur on the apparatus LUM Do not wash the air conditioner with water S It could cause electric shocks Do not install the system where the air outlet reaches directly the flora and fauna O It will not be good for their health Make sure to use a fuse of proper electric rating N Use of steel or copper wire in place of a fuse is strictly prohibited because it could result in a trouble or fire accident Neither stand on the air conditioner nor place something on it O oa There are risks of falling or injury by collapsed object It is strictly prohibited to place a container of combustible gas or liquid near the air conditioner or to spray it directly with the gas or liquid It could cause fire accident Do not operate the system while the air outlet grill is removed O There is a risk of injury Do not use the power switch to turn on or off the 1 system It could cause a fire or water leakage Do not touch the air outlet section while the swing louver is operating 9 Do not use such equipment as a water heater etc around the indoor unit or
16. e grounding cable is not set properly it could cause electric Bodily injury could result by a collapse Bodily injury could result by a careless installation shocks CAUTIONS FOR TRANSFER OR REPAIR A WARNING Modification of the system is strictly prohibited When the system needs a When the air conditioner is relocated contact your dealer or a professional repair consult your dealer installer 9 Improper practice of repair could cause water leakage electric shock or fire Improper practice of installation could cause water leakage electric shock or fire Safety Precautions CAUTIONS FOR OPERATION WARNING You should refrain from exposing your body directly to cool wind for a long time a It could affect your physical condition or cause some health problems Do not poke the air inlet or outlet with a bar etc Since the internal fan is operating with a high speed it could cause an injury When any abnormal condition scorching smell or others is found stop the operation immediately and turn off the power switch Then consult your If you continue the operation without removing the cause it could result in a trouble electric shock or fire A CAUTION The system should never be used for any other purposes than intended such as for preservation of food flora and fauna precision devices or work of art O It coul
17. e the length of duct as possible as can Bad example Bad example Good example e Reduce the amount of bend as possible as can e Use heat insulation material to bind and seal the part connecting main unit JI 2 2 and the flare part of air discharging duct Perform duct installation work before the fitment of ceiling 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 Air conditioner AD842AHEAA Static pressure Equipped with Air volume Duct box air filter bought 2400m3 h 40m3 min 250x560 mmxmm 600m3 h 10m3 min 250x190 mmxmm The calculation of duct resistance the simple calculation is as follow table Straight part Calculate as per 1m length 1Pa 1Pa m Bend part Each bend takes as a 3 4m long straight duct Air out part Calculate as 25Pa Static pressure box Calculate as 50Pa each Air inlet grille with air filter Calculate as 40Pa each The chosen chart of simple duct Note 1Pa mz0 1mmAg m Si share Square duct ae Square duct Dimension Dimension mmxmm mmxmm 1 800 30 250 x 430 250 x 90 2000 250 x 470 250 x 120 2400 250 x 560 250 x 140 250 x 170 250 x 190 250 x 230 250 x 270 4 500 250 x 920 250 x 310 5 000 250 x 1000 250 x 3
18. exclusive use e An earth leakage breaker should be installed This is necessary to prevent electric shock e The unit must be grounded When you change your address or the installation place Special technology is required for removal or reinstallation of air conditioner consult the sales dealer Besides construction expense is charged for removal or reinstallation For inspection and maintenance The capacity of air conditioner will decrease by contamination of inside of unit when it is used for about three years although depending upon the circumstances under which it is used and so in addition to the usual maintenance service special inspection maintenance service is necessary It is recommended to make a maintenance contract charged by consulting your sales dealer 13 Installation Precedure indoor Unit NOTE All Wiring of this installation must comply with NATIONAL STATE AND LOCAL REGULATIONS These instructions do not cover all variations for every kind of installation circumstance Should further information be desired or should particular problems occur the matter should be referred to your local distributor WARNING BE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION FAILURE TO FOLLOW THESE INSTRUCTIONS COULD CAUSE SERIOUS INJURY OR DEATH EQUIPMENT MALFUNCTION AND OR PROPERTY DAMAGE 1 Before installation Before finishing installation do not throw the attached parts installation needs e
19. gers or any other things into the inlet outlet and swing louver e Do not allow children to play with the air conditioner In no case should children be allowed to sit on the outdoor unit Safety Precautions e Before starting to use the system read carefully this SAFETY PRECAUTIONS to ensure a proper operation of the system e Safety precautions described here are classified A WARNING and A CAUTION Precautions which are shown in the column of A WARNING means that an improper handing could lead to a grave result like a death serious injury etc However even if precautions are shown in the column of A CAUTION a very serious problem could occur depending on situation Make sure to observe these safety precautions faithfully because they are very important information to ensure the safety e Symbols which appear frequently in the text have following meanings O Strictly prohibited Observe instructions faithfully Provide a positive grounding When you have read through the manual keep it always at hand for read consultation If the operator is replaced make sure to hand over this manual to the new operator CAUTIONS FOR INSTALLATION A WARNING The system should be applied to places as office The system should be installed by your dealer or When you need some optional devices such as a restaurant residence and the like a professional installer humidifier electric heater etc be
20. he rare event that a refrigerant leakage and exceeding of threshold concentration does occur there is the danger of a resultant oxygen deficiency accident For installation confirm that the installation site can sufficiently support heavy weight When strength is insufficient injury can result from a falling of the unit Execute the prescribed installation construction to prepare for earthquakes and the strong winds of typhoons and hurricanes etc Improper installations can result in accidents due to a violent falling over of the unit For electrical work please see that a licensed electrician executes the work while following the safety standards related to electrical equipment and local regulations as well as the installation instructions and that only exclusive use circuits are used Insufficient power source circuit capacity and defective installation execution can be the cause of electric shocks and fires e Accurately connect wiring using the proper cable and insure that the external force of the cable is not conducted to the terminal connection part through properly securing it Improper connection or securing can result in heat generation or fire Take care that wiring does not rise upward and accurately install the lid service panel Its improper installation can also result in heat generation or fire When setting up or moving the location of the air conditioner do not mix air etc or anything other than the de
21. ioner is stopped Because the protecting circuit is activated During this time air conditioner operates in fan 7 Wait for Air does not blow or the fan speed can not be changed during dehumidifying mode When it is excessively cooled during dehumidifying the blower automatically repeats reducing and lowering the fan speed During operation operation mode has changed over automatically Isn t the AUTO mode selected In the case of AUTO mode operation mode is changed automatically from cooling to heating or vise versa according to the room temperature Water or steam generates from the outdoor unit during heating This results when frost accumulated on the outdoor unit is removed during defrosting operation 10 Troubleshootin for On Off models iagnosis D aaibap 001 uey J9MO ajqewnsey uey JO JO umop uey 20 WOUS JO UMOP yun Joopul Buluuni ay si Joopu uey 1 si 941 Buissiw WONd33 sawn Ajjoessooul uey JO umop Jo
22. lated place Install the air conditioner firmly on the place where possibility of inflammable gas ga outlet foundation that can fully support the weight leakage exists of the unit Ar inlet If some obstacle exist it may cause Explosion Ignition may occur capacity reduction or noise increase If not it may cause vibration or noise Select the place so as not to annoy Snow protection work is necessary It is advisable not to install the air con neighbor with the hot air or noise where outdoor unit is blocked up ditioner at the following special place by snow It may cause malfunction consult the sales dealer when you have to install For details consult your sales dealer the unit on such a place place where corrosive gas generates Hot spring area etc e The place where salt breeze blows Seaside etc e The place where dense soot smoke exists e The place where humidity is extraordina rily high The place where near the machine which radiates the electromagnetic wave e The place where voltage variation is considerably large Electric work The electric work must be burden on the authorized engineer with qualification for electric work and grounding work and the work must be conducted in accordance with electric equipment technical standard e The power source for the unit is to be of
23. ld air conditioner that goes out of use please make sure it s inoperative and safe Unplug the air conditioner in order to avoid the risk of child entrapment It must be noticed that air conditioner system contains refrigerants which require specialized waste disposal The valuable materials contained in a air conditioner can be recycled Contact your local waste disposal center for proper disposal of an old air conditioner and contact your local authority or your dealer if you have any question Please ensure that the pipework of your air conditioner does not get damaged prior to being picked up by the relevant waste disposal center and contribute to environmental awareness by insisting on an appropriate anti pollution method of disposal Disposal of the packaging of your new air conditioner All the packaging materials employed in the package of your new air conditioner may be disposed without any danger to the environment The cardboard box may be broken or cut into smaller pieces and given to a waste paper disposal service The wrapping bag made of polyethylene and the polyethylene foam pads contain no fluorochloric hydrocarbon All these valuable materials may be taken to a waste collecting center and used again after adequate recycling Consult your local authorities for the name and address of the waste materials collecting centers and waste paper disposal services nearest to your house Safety Instructions and Warnings Before starting
24. length wires with less than 2 voltage drop Circuit breaker Power source Earth leakage breaker wire size Switch Leak minimum WIIG ga A rated capacity A breaker A current mA Switch breaker Overcurrent protector AU84NATEAA 3 Wiring connection e Make wiring to supply power to the outdoor unit so that the power for the indoor unit is supplied by terminals Connecting cable and power cable are self provided Power supply 380 400V 3N 50Hz Indoor unit 112 terminal block Outdoor unit terminal bolck 1 2 3 lS 25 HAIER GROUP Qingdao Haier Air Conditioner Electric Co Ltd Address Haier Garden Qianwangang Road Economic Development Zone Qingdao Shandong 266500 P R China Web Site http www haier com
25. livery of outdoor unit As there is no protective package for the outdoor unit so the following points merit attention 1 When forklift is used insert the fork into the holes in the base plate 2 When crane is used lift the unit with 4 pieces of steel rope with diameter above 6 mm 3 Put protective materials between the cable and the unit to prevent deformation and damage of the surface Base panel Wire 19 Installation Precedure 3 Mounting outdoor unit 1 The distance between two connections must not be less than 20mm e Refer to the following figure for the distance between the foundation bolts Outdoor Unit Through hole 15x20 E vg ANGAT AI 2 When the refrigerant pipe is connected from the bottom of the unit the unit should be raised at least 500mm see the figure right 3 In snowy regions snow proof facilities should be used see the figure right Poor snow proof facilities may lead to damage To avoid inconveniences the unit should be raised and snow proof covers should be installed at the air inlet and outlet 4 During installation anti vibration rubber pads should be used between the machine and the bracket 20 Above 500mm Br Refrigerant tube Air inlet snow proof co
26. onship to the points listed in the A CAUTION section as well In either case important safety related information is indicated so by all means properly observe all that is mentioned e After completing the installation along with confirming that no abnormalities were seen from the operation tests please explain operating methods as well as maintenance methods to the user customer of this equipment based on the owner s manual Moreover ask the customer to keep this sheet together with the owner s manual A WARNING This system should be applied to places as office restaurant residence and the like Application to inferior environment such as engineering shop could cause equipment malfunction e Please entrust installation to either the company which sold you the equipment or to a professional contractor Defects from improper installations can be the cause of water leakage electric shocks and fires Execute the installation accurately based on following the installation manual Again improper installations can result in water leakage electric shocks and fires When a large air conditioning system is installed to a small room it is necessary to have a prior planned countermeasure for the rare case of a refrigerant leakage to prevent the exceeding of threshold concentration In regards to preparing this countermeasure consult with the company from which you perchased the equipment and make the installation accordingly In t
27. opul pue usamjaq ainssaid Mo7 ybiH A ddns Josuas 1 dwa 02 Josues Josues dwa 109 Joopu JOSUSS dwa jusiquie JOOPU 24 9 9 6 aez 0 81 HOS 08 LL 0 80 GL ale el 02 He0 e0 ZL aoe HO LL LL alz H80 80 OL aso H90 90 6 HZ0 20 8 O shows resumable fault X4 shows it is not resumable fault Hes e8 9 aol H8P ZZ G az H6P eZ 7 azo HZ0 Z0 2 HLO LO L ad 104 sawi 5 JO4 U09 Je1 U9d 10 apoo aunjie4 uo 11 Precaution for Installation Safety precautions e Please read these Safety Precautions first then accurately execute the installation work e Though the precautionary points indicated herein are divided under two headings A WARNING and A CAUTION those points which are related to the strong possibility of an installation done in error resulting in death or serious injury are listed in the A WARNING section However there is also a possibility of serious consequences in relati
28. outdoor circulating system close the valve tightly before pressure increase Both the gas and liquid valves must be tightly closed cooling system must be charged slowly from the gas and liquid valves It must be charged from the gas and liquid valves Note Never use oxygen flamable and poisonous gases for the leak test Low pressure gauge High pressure gauge Three way valve fully closed G 7 LI LI Indoor Outdoor ee Gauge distributor Solder 4 joint ___ ____ Tightly l closed Solder joint Tightly Tightly closed Solder joint closed O Relief valve 6 4 Copper pipe Outdoor unit way valve fully closed liquid side Indoor unit Nitrogen bottle Detailed diagram of the three way valve Gas side access hole To the gauge distributor l Gas side three way valve Liquid side access hole Liquid side three way valve To the unit Field tube Field tube installation installation 1 Pressurize for more than 3 minutes under 0 3MPa 3 Okg cm 29 2 Pressurize for than 3 minutes under 1 5MPa 15kg cm Serious leakage may be found 3 Pressurize for more than 24 hours under 3 0MPa 3 0kg cm EO Small leakage may be found eCheck if the pressure decrease If the pressure does not decrease then the test passes If the pressure decrease check for leakage There will be a 0
29. ry danger to remove the units and power supply wire because it can cause injury and death Cut off all the power supply before maintenance Parts and Functions Indoor Unit Air outlet Duct Duct Drain pipe Air inlet Outdoor Unit Air outlet a GI Air inlet Air inlet e a a Heating Mode HOT KEEP function HOT KEEP is operated in the following cases e When heating is started In order to prevent blowing out of cool wind the indoor unit fan stopped according to the room temperature which heating operation is started Wait for approx 2 to 3 minute and the operation will be automatically changed to the ordinary heating mode eDefrosting operation in the heating mode When it is liable to frost the heating operation is stopped automatically for 5 to 12 minutes once per approx one hour and defrosting is operated After defrosting is completed operation mode is automatically changed to ordinary heating operation e When the room thermostat is actuated When room temperature increases and room temperature controller actuates the fan speed is automatically changed to stop under low temperature condition of indoor heat exchanger When room temperature decreases air conditioner automatically changes over to ordinary heating operation Warming Operation e pump type warming With the he
30. s 600x600 Over 300 Over 200 Air in lt gt Ceiling 14 Installation Precedure 3 Preparation before installation 1 The position relation among hoisting screw unit mm Indoor Unit 2 If necessary cut the opening installation and checking needed on the ceiling If has ceiling eBefore 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 e 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 3 Hanger bolts installation eUse care of the piping direction when the unit is installed Use M10 screw bolt e 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 Installing 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 Note When the dimensions of main unit and ceiling holes does not match it can be adjus
31. s about 2 3 hours Make sure that the Y shaped valves on both the gas and liquid sides are closed before pumping e the vacuum can no reach 755mmHg within 2 hours continue pumping for another 1 hour e f the vacuum no reach 755mmHg after more than 2 hour s pumping close the valves V and on the gauge distributor and stop pumping One hour later check the vacuum again If the vacuum has changed it means there is a leakage Repair it e After the above steps replace the vacuum pump with the refrigerant pump and refill refrigerant 23 Installation Precedure Outdoor Unit 8 Refrigerant charge After finished vacuum the system change the vacuum to the refrigerant pump charging the refrigerant Calculation of the the refrigerant charge When the unit ships out of the factory charge the refrigerant not including the construction procedure charged parts The calculation of the refrigerant charging When the connection pipe L lt 5 meters not need to add refrigerant When the connection pipe L gt 5 meters we need recharge the 100g refrigerant per add 1 meter That is the quantity of refrigerant charging L 5 100 g Refill refrigerant eWhen the outdoor valve is shut fill the refrigerant from the access hole at the gas and liquid sides e f the required filling is impossible open all the gas and liquid valves then slightly shut the gas valve run the compressor and fill the refrigerant from the access hole at the
32. signated refrigerant R410A within the refrigeration cycle Rupture and injury caused by abnormal high pressure can result from such mixing e Always use accessory parts and authorized parts for installation construction Using parts not authorized by this company can result in water leakage electric shock fire and refrigerant leakage A CAUTION Execute proper grounding Do not connect the ground wire to a gas pipe water pipe lightning rod or a telephone ground wire Improper placement of ground wires can result in electric shock The installation of an earth leakage breaker is necessary depending on the established location of the unit Not installing an earth leakage breaker may result in electric shock e Do not install the unit where there is a concern about leakage of combustible gas The rare event of leaked gas collecting around the unit could result in an outbreak of fire e For the drain pipe follow the installation manual to insure that it allows proper drainage and thermally insulate it to prevent condensation Inadequate plumbing can result in water leakage and water damage to interior items 12 Is the Unit Installed Correctly Confirm the following items for safe and comfortable use of air conditioner The installation work is to be burden on the sales dealer and do not conduct it by yourself Installation place Avoid installing the air conditioner near the Install the unit at well venti
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34. ted with the slot holes of hanging bracket 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 5 Unless the adjustment to the levelness is made properly malfunctioning or failure of the float switch may occur 15 Hole in anchor Insert Ka plug Concrete Hanging bolt M10 Hanging bolt MJO nut M10 washer M10 spring washer Main unit Piping side Supply water Water level 0 5 mm PVC hose 0 0 2 Bring the piping side slightly lower Installation Precedure indoor Unit 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 Good piping Improper piping Suspension bolts 1 5m 2m 2 22 17 Avoid riding across an elevation Keep free from traps Do not pipe under water Heat of 1 100 or more insulation b When connecting the drain pipe to unit pay suffcient attention Stage not to apply excess force to the piping on the unit side Also 22 Drain hose fix the piping at a point as close as possible to the unit Drain socket Pipe cover large P 25 joint for insulation field purchased N accessory Main unit ra For drain pipe
35. the air conditioner read the information given in the User s Guide carefully The User s Guide contains very important observations relating to the assembly operation and maintenance of the air conditioner The manufacturer does not accept responsibility for any damages that may arise due to non observation of the following instruction Damaged air conditioners are not to be put into operation In case of doubt consult your supplier Use of the air conditioner is to be carried out in strict compliance with the relative instructions set forth in the User s Guide For the purpose of safety the air conditioner must be properly grounded in accordance with specifications e Always remember to unplug the air conditioner before opening inlet grill Never unplug your air conditioner by pulling on the power cord Always grip plug firmly and pull straight out from the outlet e All electrical repairs must be carried out by qualified electricians Inadequate repairs may result in a major source of danger for the user of the air conditoiner e Do not damage any parts of the air conditioner that carry refrigerant by piercing or perforating the air conditioner s tubes with sharp or pointed items crushing or twisting any tubes or scraping the coatings off the surfaces If the refrigerant spurts out and gets into eyes it may result in serious eye injuries Do not obstruct or cover the ventilation grille of the air conditioner Do not put fin
36. the air filter 1 Clean the air filter by lightly tapping it or with the cleaner It is more effective to clean the air filter with water If the air filter is very dirty dissolve neutral detergent in the lukewarm water approx 30 rinse the air filter in the water and thoroughly wasn tne air titer off the detergent in the plain water 2 After drying the air filter set it up on the air conditioner CAUTION e Do not dry the air filter with fire e Do not run the air conditioner without the air filter Care and Cleaning of the unit Clean with soft and dry cloth e If it is very dirty dissolve neutral detergent in the lukewarm water make the cloth wet with the water After wiping clean off the detergent using clean water Post Season Care Operate the unit with FAN mode on a fair day for about half a day to dry the inside of the unit well Stop operation and turn off the power supply switch Electric power is consumed even the air conditioner is in stop e Clean the air filter and set it in the place Pre Season Care See that there are no obstacles blocking the air inlet and air outlet of both indoor and outdoor units sure that the air filter is not dirty e in the power supply switch 12 hours before starting run Troubleshooting Please check the following things about your air conditioner before making a service call Unit fails to start
37. the wire controller 47 If the system is operated at the vicinity of such equipment which generates steam condensed water may drip during cooling operation or it could cause a fault current or short circuit When operating the system simultaneously with a combustion apparatus indoor air must be ventilated frequently 0 Insufficient ventilation could cause an oxygen deficiency accident Check occasionally the support structure of the unit for any damage after a use of long period of time 09 If the structure is not repaired immediately the unit could topple down to cause a personal injury There is a risk of injury Do not place any objects climb on the unit O When cleaning the system stop the operation and turn off the power switch 09 Cleaning should never be done while the internal fans are running with high speed Do not put water containers on the unit such as a flower vase etc o If the water enters into the unit and damages the electric insulation material it may cause electric shock Do not try to repair or reconstruct by yourself Safety Precautions The machine is adaptive in following situation 1 Applicable ambient temperature range idodi Maximum D B W B 32 C 23 C Minimum D B W B 18 14 Cooling Maximum D B W B 43 C 26 C Minimum D B 15 C Maximum D B 27C Minimum D B 15
38. ulb temperature 24 it may lead to overload of o 4 Air discharging fan compressor e 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 Improper example 11 Refrigerant pipe The air side pipe liquid side pipe must be faithfully heat insulated if no heat insulation it may cause water leakage outdoor unit has been charged with refrigerant e 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 e 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 e Referring to Table 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 Paste the refrigerant oil here Middle size seal cushion accessory Table Cone SA 7 Use seal cushion to lt X bind the pipe joint N Specification Tighten torque dimension Cone t Torque spanner Clamp Heat insulation accessory for liquid pipe 12 7mm 50 1 2 2 0 ARS 9
39. use hard PVC general purpose pipe 25 1 D 1 which can be purchased locally When 3 Bran hose 7 N VP 25 connecting insert a PVC pipe end securely into the drain a accessory field purchased H H H am j i socket before tightening securely using the attached drain acceseory paka hose and clamp Adhesive must not be used connection of Pipe cover small for insulation the drain socket and drain hose accessory accessory d 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 Secure the elevation as high as possible approx 100 mm VP 30 A downhill grade of 1 100 or more e The stiff PVC pipe put indoor side should be heat insulated 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 g Set a backwater bend in the middle of drain hose as figure shown 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 right figure shown use T type joint The backwater H1 100mm or the st
40. ver Air outlet snow polo o proof cover Air inlet snow proof cover Installation Precedure Outdoor Unit 4 Connection of refrigerant pipe Warning e During installation if refrigerant leakage occurs ventilation measures must be taken When refrigerant meets with fire hazadous gas will be produced e After installation make sure that there is no refrigerant leakage Refrigerant if meeting with heaters and stoves ect in the room may produce hazardous gas Connection of refrigerant pipe 1 The joints of the refrigerant pipe are inside the unit Take off the access hole cover in front of the unit 2 The pipe can be connected from the front or bottom of the outdoor unit 3 Remove the L shaped pipe from the valve by welding and connect the accessory pipe to the valve 4 In the case of front connection cut the accessory pipe at the height of the fixing panel Then join the pipe with an elbow and let it go through the fixing panel For the convenience of maintenance bend the pipe down once and then connect pipe to the right or left 5 In the case of bottom connection join the pipe with accessory pipe through the holes in the base plate of the outdoor unit and connect pipe the left or right or the back 6 During welding the gas pipe valve must be cooled down with a wet cotton cloth 7 The maximum connnection pipe is 50 meters the maximum drop difference between indoor unit and
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