CONDENSING UNITS
Contents
1. 762 3 Service Space 3 1 ASE 76AH ASE 96AH ASE 120AH Air outlet Air inlet Y Air inlet 21000 mm 21000 mm 2 4 Z ff FF II FT EH EI LAH IL LI L LA Note 1 In case any obstacles exist above the outdoor unit such obstacles must be 2000mm above the outdoor unit 2 If miscellaneous articles are piled around the outdoor unit such articles must be 400mm below the top of the outdoor unit 10 Foundation of the outdoor unit gt 500 mm gt 500 mm 8 g Md o bag ao 8 ie ER gt se ess g g ii oo ge EE ge a B M12 foundation bolt 4 screws for 1 unit 11 4 Wiring Diagrams 1 Compressor Output 4 1 ASE 76AH ASE 96AH ASE 120AH nn ee ee 3 FAN Output FUNCTION OF SWITCH KEE RI3A A SHORT WIRE xP3 X53 KK aa SHORT WIRE zl RT4 BLACK 76000Btu h 9600008 tu h 96000Btu h 120000Btu h cn A CN200 NOTE SW2 default settings as NET OFF Swi default settings as main unit No 0 Unit LED INDICATION DESCRIPTION A i k 666 ni eleo Fault of outdoor pipe temperature e High pressure protection cok Condensor high temperature protection E 00 Ne EJE ieee RER 919181 W XT2 ces XK SNS SO POWER HYJ IV NOTE B Li i i j i TO OUTDOO2. SERVICE MANUAL SINCLAIR AIR CONDITIONING Content Part 1 Part 2 Part 3 Part 4 General Information 2 Outdoor Units samenst ns 5 Installation AA enten 25 GONWO een 49 Part 1 General Information 1 Model Names of Outdoor Units 2 External Appearance nonnen vennen eenen 3 Nomenclature 1 Model Names of Outdoor Units 1 1 Model Names of Outdoor Units Outdoor unit Capacity supply 28 380 415V ASE 120AH 120 2 External Appearance 2 1 Outdoor Unit ASE 76AH ASE 96AH 3 Nomenclature 3 1 Outdoor unit A S E 76 A H Heating Refrigerant R4 10A Cooling capacity 76 kBtu h External Split Air conditioner Part 2 Outdoor Units t SPEeMCAONS Ener 6 2 2DIMENSION ptos saeta 8 3 SEIVICE SPACE une 10 4 Wiring BP Ce LC AA 12 5 ElectricCharacteristics 13 6 Operation NN A AE beenen 13 Ae 14 8 Exploded VIEW 15 9 Troubleshooting aaneen nennen eenen 21 10 MalluUnGUoNnSa a a 22 1 Specifications o a om ow O mene ne meto argo PA a 2 CATE a a fase a a a o o heee ea e S a a Copland Copland ZP90KCE TFD 522 ZP120KCE TFD 522 bare compres sun 74500 100000 e e e nn o a OYO ee 09 tan kan ee BE am e vooren w ae co eme
3. Air inlet 21000 mm 21000 mm 2 4 Z L4 44 SI SAT FEST 4l FF FH TH Le LL Fig 15 NOTE 1 In case any obstacles exist above the outdoor unit such obstacles must be 2000mm above the outdoor unit 2 If miscellaneous articles are piled around the outdoor unit such articles must be 400mm below the top of the outdoor unit As shown in Fig 16 leave an interval of 500mm between the outdoor units M12 foundation bolt 4 screws for 1 unit Fig 16 28 The distance of the foundation bolt is shown in Fig 17 Fig 17 2 3 Convey Outdoor Unit e Use 4 steel ropes of a 6mm or bigger size to hoist the outdoor unit and convey it into the room e In order to prevent scratch and deformity the outdoor unit apply a guard board to the surface of contact between the steel ropes and the air conditioner e Remove the cushion for use in the transport after finishing the transport Fig 18 e Fork truck can be used for conveying Steel wire Base and bracket Holes for fork truck Fig 18 2 4 Snow protection facilities must be installed in the snowfall areas Fig 19 In case the snow protection facilities are incomplete faults may occur In order to prevent influence caused by snow set up raised pavilion and install snow protection sheds at the air inlet and air outlet 29 Snow protection Snow protection shed at the air outlet shed at the air inlet Snow protection shed at the air inlet Fig 19 2
4. controller resetting page tino press the Reset key enabled or disabled 90 Liquid Crystal Display Full display of LCD 2 SESS aaa R S S ASS Ta ua Fi ua JOG OO OC O 161515 Ss cool 6 3 LL ia s Ti TEEI 51 2 Installation Installation dimensions As shown in the figure 4 on the right side Installation screw holes 4 holes U 48 5 83 5 Rotate the flathead screwdriver slightly to open the upper cover at points gt Screws for fixing the centralized controller GB845 ST3 9 25 Holder Address bits Bit location Address range AY 5 00 15 Upper cover Note To differentiate each centralized controller the controllers in the same RS 485 net should be with different address with each other Power cable interface of centralized controller 198 V 242V 50 60HZ Emergent Emergent start switch Stop switch Communication interface with computer Communication interface with indoor interface NOTE 1 Never turn screws too tightly otherwise the cover would be dented or the Liquid Crystal would be broken 2 Do not cut wires when installing the cover of Central Control Monitor 92 Appendix 1 Indoor Temp and Pipe Temp Sensor Resistance Value Table C K sas zo zee eo 2397 too oss
5. 2 Installation of Outdoor Units 27 3 Heat Insulation of the Pipe 35 4 Installation of Connective Pipe 36 5 IinstallattonofDrainPipe 41 6 Electric Connection aaneen nen eneen 42 7 Methods of configuring and selecting installation 45 25 1 Note CAUTION O O O O O O O O O O 26 Install the unit where enough space of installation and maintenance is available Install the unit where the ceiling is horizontal and enough for bearing the weight of the indoor unit Install the unit where the air inlet and outlet are not baffled and are the least affected by external air Install the unit where the supply air flow can be sent to all parts in the room Install the unit where it is easy to lead out the connective pipe and the drain pipe Install the unit where no heat is emitted from a heat source directly Installing the equipment in any of the following places may lead to faults of the equipment if that is inevitable consult the supplier The site contains mineral oils such as cutting lubricant seaside where the air contains much salt Hot ring area where corrosive gases exist e g sulfide gas Factories where the supply voltage fluctuates seriously Inside a car or cabin Place like kitchen where oil permeates Place where strong electro
6. 4x1 0 Dimension WxHxD 1260x908x700 1320x1060x730 201 217 24 54 54 3 3 Packing WxHxD GE e 13 Net Gross weight Oo O Mm Shipping Qty per 20 40 40 HD Notes 1 Nominal cooling capacities are based on the following conditions Indoor temp 27 CDB 19 CWB Outdoor temp 35 CDB Equivalent refrigerant piping 7 5m horizontal 2 Nominal heating capacities are based on the following conditions Indoor temp 20 CDB Outdoor temp 7 CDB 6 CWB Equivalent ref piping 7 5m horizontal Cooling Heating 4 T3 11 pn en la 1 e HP Switch 4 way valve a pg en In Discharge temp sensor I H 1S LP Switch wor ne Compressor LI Liquid gas seperator I i gt 0 3 la 8 Tg Indoor unit NY ow E E Capillary Indoor heat exchanger T4 IMENSION Units mm 2 D 2 1 ASE 76AH ASE 96AH CO O O af 2 2 ASE 120AH 908
7. 5 Installation of Refrigerant Pipe e The refrigerant pipe adapter is located inside the outdoor unit When the pipe is connected from the front side the pipe can be let out through the right front board Fig 20 and Fig 21 So remove the left front board first Three M5 screws e The pipe can be connected from the front left lower side or the bottom notch of the outdoor unit e When the pipe is connected from the front side the pipe can be led out through the pipe amp wire panel e n case the pipe is connected from the bottom notch install it leftward rightward or backward after leading it out e When the pipe is led from the front use a cover plate to seal the bottom notch in order to prevent intrusion of dust or trash steel 30 Bottom plane Fig 21 NOTE When welding the refrigerant pipe in order to prevent internal oxidation of the pipe nitrogen must be filled in Otherwise the oxidized chips may block refrigerating circulatory system 2 5 1 Size of Outdoor Unit Pipes and Piping Methods 1 Size of outdoor unit pipes and piping methods ASE 76AH p22 D9 52 ASE 96AH p25 D9 52 ASE 120AH 628 6 12 7 2 Allowed length of refrigerant pipe and height difference Fig 22 Outdoor unit Max pipe length L lt 50m Height difference between indoor unit and outdoor unit HS 30m gt Indoor unit Fig 22 31 Table 1 76000 96000 120000 Btu h Btu h Max equivalent length of pipe L
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9. be applied otherwise with only adhesive tape the adhesion will be weakened due to change of temperature 1 It is used to prevent glass wool leak and seal the gas at the time of the flanges and pipelines of the ventilation pipes 2 Entwine for over 3 circles 3 Use ventilation pipe specific tapes instead of ordinary adhesive tapes In order to ensure the installation quality and durability it is necessary to use the auxiliary materials of standard specifications provided by Midea Electronics and the auxiliary products of the specified manufactures 47 48 Part 4 Control 1 Central Control Monitor Optional 49 1 EEE Sie Nima EOI unlock the remote controller 2 In the unified setting page press the Up key and the 1 In the setting page ee me Seeger increase or decrease the time of timing on off 3 After pressing the Query key key press the Lock key to 2 In the query page scroll page of the A nn controller e parameters being queried the setting page press the TOK tey to sena sti a d signal to the air conditioner the operation ng mode ofthe Enter the air POB setting ener page to shift betw single machine Setting and global setting In the ti conditioner query pages In the setting page o he An u se 2 Left and Right keys page in for selecting columns e ox amp str Kout RESET In the centralized 4 In the setting page _
10. intrudes into the pipeline system e Install the connective pipe only after fixing the indoor and outdoor units e Keep dry when installing the connective pipe Do not let moist intrude into the pipeline system 4 2 Procedure of Connecting Pipes 5 2 1 Measure the required length of the connective pipe and make the connective pipes in the following procedure 5 2 1 1 Connect the indoor unit first and then connect the outdoor unit The pipe bend should be handled carefully without damaging the pipe NOTE 1 Before screwing up the flared nut apply refrigerant oil at the outer surface of the pipeline flare and the taper surface of the connection nut Screw up the nut for 3 4 circles beforehand 2 When connecting or disconnecting the pipeline be sure to use two spanners concurrently 3 Do not rest the weight of the connective pipe on the adapter of the indoor unit Too heavy load on the adapter of the indoor unit may deform the pipe and thus affect the cooling heating effect 4 2 1 2 The valve of the outdoor unit should be closed completely as in the factory status Every time when connecting the pipe screw off the nut at the valve and connect the flared pipe within 5 minutes If the nut is put away for a long time after being screwed off the valve dust and other foreign substance may intrude into the pipeline system and lead to fault Before connecting the pipe use the refrigerant to expel air out of the pipe 4 2 1 3 After the
11. o ere na sin Copper ube ang aaminin Wire mn w oo mese E om wo ca eam DES e o o oO Rated current Locked rotor Amp Refrigerant one Dimension mm Drive type ay fal fale fa eos tordos paper la ee TE E nan e mm cos arm Liquid side Gas side 09 52 022 09 52 025 K R BE piping vr temin m TE EEE comes Ports mw 0 E EC S E Dimension WxHxD 1260x908x700 1260x908x700 Packing WxHxD 1320x1060x730 1320x1060x730 Net Gross weight 174 193 187 204 Shipping Qty per 20 40 40 HD 24 54 54 24 54 54 Notes 1 Nominal cooling capacities are based on the following conditions Indoor temp 27 CDB 19 CWB Outdoor temp 35 CDB Equivalent refrigerant piping 7 5m horizontal 2 Nominal heating capacities are based on the following conditions Indoor temp 20 CDB Outdoor temp 7 CDB 6 CWB Equivalent ref piping 7 5m horizontal 6 ASE 120AH Power supply 380 400V 3N 50Hz Refrigerant Dimension Fan Drive type Motor input Motor speed 1230 1180 NS Copper tube and aluminum fin Tube size Coil No of rows Fin per inch FPI Length x height 1376x880 7200 Axial fan 0531 Direct Powersupply wo o wl Compressor Type R410A En EN 621 587 3 N ep 1 H O E E 3 B o 2 ng o 5 gt 3 Liguid side Gas side 012 7 028 6 Retrigerant Max pipe length 50 piping Max difference in level 30 Connection Power wiring mm 5x6 0 wiring mm
12. refrigerant pipe is connected to the indoor and outdoor units expel air as instructed in the Expel air section After expelling the air screw up the nut at the maintenance orifice 4 2 1 4 Precautions for the flexible part of the pipeline The bend angle shall not exceed 90 The bend shall be preferably in the middle of the pipe length and higher bend radiuses are preferred Do not bend the flexible pipe for over 3 times 4 2 1 5 Bend the thin wall connective pipe When bending the pipe cut out a notch of the desired size at the bend of the adiabatic pipe and then expose the pipe wrap the pipe with the wrapping tape after bending it The radio of the elbow pipe should be as large as possible to prevent flattening or crush Use the pipe bender to make close elbow pipe 4 2 1 6 Use purchased copper pipe When the cooper pipe is purchased from the market be sure to use the heat insulation materials of the same type with a thickness of over 9mm 36 Apply refrigerant oil L Figure 1 bend the pipe AT Min radius 100mm Figure 2 gt Method of unleashing the spooled pipe Straighten the pipe end Figure3 Fig 27 4 2 2 Deploy the pipelines e Drill a porthole on the wall and put the hole sheath and hole cover through the wall e Place the connective pipe together with the indoor amp outdoor connection wires Use wrapping tape to tie them tight Do not let air penetrate into it lest condensat
13. 0 connective wire 5 0 5mm 5 0 5mm 5 0 5mm 6 3 Power wires The power wires are as follows schematic diagram Indoor unit Control wire between indoor unit and outdoor unit RCCB Manual switch Indoor unit power supply 220 240V 50Hz Outdoor unit RCCB Manual switch Outdoor unit power supply 380 415V 3N 50Hz Fig 35 44 7 Methods of configuring and selecting installation Characteristics advantages and other contents Distributor 1 Install the filter at the main body grille in case the storey height is low and at the main body of the indoor unit in case the storey height is high 2 It cleans conveniently at the time of installing uninstalling the filter 3 The button structure is easy to install and uninstall 1 For purpose of air inlet 2 Must adopt fire resistant materials Those materials other than specified by Midea than specified by Midea be applied 3 The heat insulation material must be glass wool 1 For purpose of air outlet 2 Must adopt fire resistant materials Those materials other materials Those materials other shall not be applied 3 The heat insulation material must be glass wool 1 Install the unit at the air inlet so that the air flows smoothly and the noise is lower 2 The noise value varies with the length 3 The hose joint should be bent lest detachment of the pipe 1 Install the unit at the air outlet so that the air flows
14. 201601601291 Condenser components KU 201575990014 Pipe joint 4 201601200004 201601200004 EN Condenser Condenser 1 201575990015 3 Electronic control box EN 201275990060 EYE Input tube condenser En 201675990258 mounting plate components Motor bracket assembly EX 201275990106 463 od ER 201675990244 components rs After the column about 201275990068 Kn Before the column 201275990069 Right front panel 1 201275990063 a mpone nz DSS 201275990104 left column Under electronic control EX 201275990061 en Electronic control box Kn 201275990065 box mounting plate cover nn Chassis Parts EX 201275990097 ee After the column 201275990067 por ele 203375990015 23 Wooden chassis chassis 202675990010 control box components Outdoor control board SONNE oe 12 1 201375990006 compressor back to the 1 201675990267 assembly pero En 202300800071 EYE 24 1 Pressure controller controller 202301820021 202300800098 Gas qui separator 201601100097 202301450110 Copeland Compressor 201401400620 12 6 Wirejoint 1 202301450121 27 High pressure valve 1 201675990269 assembly 18 8 3 ASE AH 16 1 16 2 le Part Name Name BOMCode Code Part Name Name BOMCode Code The CA 201275990085 lo een POLOM MONNUNG li 201275990079 electronic control box The air grille 201275990062 EN er Mere 203375990015 box componenis KI of roof 199EME PIECES EN 201275990102 EL electric box welding ass y 201275990107 ES Afierthecolumn KI 20127
15. 202020 0202020202020202020 Note H h 1 2 ASE 96AH 14 8 Exploded View 8 1 ASE 76AH 16 14 17 12 8 ua 15 vo Pan mame Jon ce no Pon wame on conc Eu EC SCO Cl CAC EEC own 4 way valve 201600600110 12 12 EZ Boos power En 202301600518 protection devices 4 Ways valve solenoid ES 201600600179 front right support pillar EN 201275990070 Valve body EN 201601600314 44 asynchronism fan motor 202400400563 125 Pipe join ES 201601200004 EE a 201875990016 mounting plate EE O e a AE e maare 2 arana 153 amero 1 aora No asian ENEN 16 avon EA o Tanermecsumn ama 2 zeroes NN EE o retorna 1 amaron EE 1 20127000000 ssn wiring base installation 201275990087 EN compressor suction pipe 201675990302 ass y assy 12 m controlbar 201375990006 pressure controller ER 202301800953 Fr Capacitor 202300320025 EE Gas liquid separator NN 201601100097 202300800071 coopland compressor EN 201401400710 AC contactor KE 202300850050 high pressure valve ass y 201675990293 ie wenn NEE EE EN 16 8 2 ASE 96AH 17 ES Four way valve assembly ER 201675990271 Cas Tree pnan power EF 202301600518 protection devices Pressure controller EX 202301820042 12 10 Compressor capacitor EN 202401000410 22 4wayvave fa 201600600110 Front right column 201275990109 4 Ways valve solenoid 201600600113 Induction motor 202400400456 Cube Valve EN
16. 5990117 PAL Outdoor control board are 201375990006 assembl 7 amerine column about 4 201275990088 224 Relay 2 20230080007 Gas iquidseparator 1 201901100097 225 Contactor 1 202300850034 e Front pana CS EN 201275900084 EI EEN 202300900083 left column Top mounting piale of 201275990080 22 8 Wire joint 1 202301450121 electronic control box Front ght column 201275090116 202301450122 Induction motor E 202400400456 22 10 CC EE 202301450130 een devices haa bracket assembly ya 201275990106 22 12 Compressor capacitor eee er 202401000410 16 Condenser assy 1 Ex 201575990019 En Chassis Parts Ex 201275990111 condenser PUUST DIDS ASS OF O 201675990345 High pressure valve ass y EN 201675990363 condenser Condenser II KA 201575990020 EN Cube Valve KU 201601600316 ag Condenser ass y EN 201575990017 EN A O EN 201675990356 compressor ara Inlet pipe ass y of Ea 201675990305 EYE pressure controller ES 202301800953 condenser le Outlet pipe ass y of EA 201675990321 4 way valve ass y EN 201675990359 condenser Gondenser 201575990018 Cube Valve 201601601292 ER dene 201675990384 o condenser E Inlet pipe ass y of 201675990367 Pressure controller 202301820020 condenser EI ebde 201275990085 anes 20 9 Troubleshooting Standby Cooling mode Heating mode Defrosting mode Phase sequence protection Communication failure Outdoor condenser temp sensor error Outdoor ambient temp sensor error Protection
17. IN N olalslelnmlalolo ololololo OIiIn o nN O N N N A N 00 ajal BIBIBIBIBIBIBIB B B W W W W W WIW W O W N sl N a A Slow 0 N A D B O N s O O oo oo NININININININININI N oo Ni N B O N S ololalolalslelnl alo O NO al N co NO gt OQ O1 O1 O1 OI OT O1 OO COIN OO Oa AIO co O N All 93 Take back of electrical waste Information for Users to Disposal of electrical and electronic equipment private households Icon on the product or in the accompanying documentation means that used electric or electronic products must not be disposed together with domestic waste For the correct disposal of the product hand it over to a place for take back where it is collected free of charge By correct disposal of the product you can help to preserve valuable natural resources and help in preventing potential negative impacts to environment and human health which could be consequence of incorrect disposal of waste Ask for more details from local authorities nearest collection point in Waste Acts of respective country in the Czech Republic in Act no 185 2001 Coll in the wording of later regulations In case of incorrect disposal of this waste a fine can be imposed according to national regulations a x Manufacturer Sinclair Corporation Ltd 1 4 Argyll Street London W1F 7LD UK Supplier and technical support Nepa spol
18. Max height difference l 3 Connection between indoor unit and outdoor unit Fig Signal wire ba Gas Ine Liquid ine 32 2 6 Airtight Test After the pipes between the indoor unit and the outdoor unit are connected replenish compressed nitrogen to perform airtight test NOTE 1 The airtight test is performed by using the compressed nitrogen 2 94MPa 30kg cm G 2 Tighten the spool of the gas valve and liquid valve before compressing the nitrogen 3 Compress the nitrogen at the air vent of the gas valve 4 The gas valve and liquid valve are closed in the process of compressing the nitrogen 5 Do not use oxygen flammable gas or toxic gas in the airtight test 2 Vacuumize Use a vacuum pump to make a vacuum Do not use refrigerant gas to expel air When making the vacuum start from the air side 2 8 Open All Valves 2 9 Additional Charge of Refrigerant According to the diameter and length of the connective liquid side pipe of the outdoor unit and indoor unit calculate the refrigerant replenishment quantity The refrigerant for replenishment is R410A Table 2 Diameter of liquid line Quantity of refrigerant replenished for 1m pipe length b 9 52 0 060kg b 12 7 0 115kg 2 10 Remove Trash and Moist in the Pipe e Trash and foreign matters may come into the pipe in the process of installing the refrigerant pipe Be sure to blow them off with nitrogen before connecting the pipe to the outdoor unit
19. R COM BUS ight 0 4sec Extinguish 0 4sec Kk Light 2sec Extinguish 2sec PROTECTOR DIEP Y Light 1sec Extinguish 1sec Extinguish Light NOTE PLEASE USE Light 0 2sec Extinguish 0 2sec 96 9 98 TO INDOOR UNIT CORE SHIELDED WIRE O i 7 COMP HEAT A RT3A Pipe temp sensor T1 FAN1 2 Outdoor fan Current detector SW1 3 H PRO A High pressure switch XT4 10 Middle wire joint KK e S SS 12 5 Electric Characteristics Outdoor Unit Power Supply ASE 76AH 5 380 415 3 18 8 0 42 438 6 Remark MCA Min Current Amps A TOCA Total Over current Amps A MFA Max Fuse Amps A MSC Max Starting Amps A RLA Rated Locked Amps A OFM Outdoor Fan Motor FLA Full Load Amps A KW Rated Motor Output kW 6 Operation Limits Temperature range for unit operation Cooling mode Heating mode Outdoor Indoor Outdoor All model 21 C52C 17 32 C 10 C 24 C 20600 13 7 Sound Levels Standard of testing Front m a lo lo 080202080902090202020 0909090209030209080 20202020202020202020 020202020202020202020 lo lo lo lo 030303030303030303030 020202020202020202020 0202020202020202020 020202020202020202020 020202020202020
20. ain pipe in addition to applying the general heat insulation materials Enough heat insulation materials should also be applied to the refrigerant joint and the pipe joint 3 2 Heat Insulation of the Drain Pipe e Be sure to entwine heat insulation materials round the drain pipe which runs through the room e Carry through heat insulation for the drain pipes thoroughly 3 3 Heat Insulation of the Refrigerant Pipe e Please use heat resistant materials as heat insulation materials of the air side pipe e g EPT e Cover heat insulation materials separately at the liquid side and the air side Moreover perform heat insulation thoroughly for the air side pipes of the indoor unit and prevent water from dripping outside the unit air side pipe Indoor unit Fig 26 e After applying the auxiliary heat insulation materials use vinyl resin tape to seal it lest water leak 35 4 Installation of Connective Pipe 4 1 Preparation before Installation Check the height difference between the indoor unit and the outdoor unit and check the length and number of bends of the refrigerant pipeline which must meet the following requirements e Max Height difference 30m If the height difference is greater than 5m it is better to put the outdoor unit above the indoor unit e Max Pipeline length 50m e Max Number of bends 15 e Inthe process of installing the connective pipe do not lemmas the air dust or foreign substance
21. e indoor unit e Upon completion of installing the drain pipe remove the inspection panel Put water into the drip tray to check whether the water can be drained levelly and steadily Checking panel Drain pipe Checking panel over 100mm Bush Checking orifice Bush Checking orifice Main drain pipe Fig 34 NOTE Drain pipe trash gains easily at the drainage controller Be sure to install a stopper and a structure that cleans up trash easily 5 2 Trial draining of the drain pipe Open the side panels of the indoor unit fill water inward and check whether the water can be drained smoothly Check water leak at the joint 5 3 Heat insulation of drain pipe After making sure that the water drains smoothly and no water is leaked use adiabatic wool bushes to preserve heat of the drain pipe Otherwise condensate will occur 41 6 Electric Connection 6 1 Electric field wiring CAUTION 42 Use special power supply for the air conditioner Design power supplies specific to the indoor unit and outdoor unit The supply voltage must comply with the nominal voltage The external supply circuit of the air conditioner must have a ground wire and the power supply ground wire of the indoor unit must be connected with the external ground wire firmly The wiring must be performed by professional technicians according to the circuit diagram labels Distribute the wires according to the relevant electric technical standards p
22. ead and open it thoroughly Then tighten the square head cover Procedure of closing the valve Same as the procedure of opening the valve but rotate the spanner clockwise thoroughly fe mi a B a E Square head cover Valve body Sauare head spool Maintenance onfice Connective pipe port Pipe nut System port Fig 33 4 4 Leak Detection Use soap water or a leak detector to check whether gas leakage exists at the adapters 4 5 Heat Insulation e Use heat insulation materials to wrap the part protruding outside the flared pipe joint and the refrigerant pipe of the liquid pipe and the gas pipe and ensure that no gap exists between them e Imperfect heat insulation may lead to condensate drips 5 Installation of Drain Pipe 5 1 Install the drain pipe of the indoor unit e In order to prevent drain overflow install a drainage controller at place 1 of the drain pipe The drainage controller is designed to smoothen the drainage when the static pressure outside the unit is high especially at the air inlet in addition to remove stink through the drain pipe e The drain of water is natural In the construction the external pipe of the outdoor unit slants downward at a gradient of 1 50 1 100 e The number of bends and folds of the drain pipe should not exceed 2 Try to avoid bends in order to prevent trash accumulation e Inthe construction do not drop trash into the drip tray or drain pipe of th
23. efrigerant pipe is blocked No Replace outdoor PCB Leak hunting charge nitrogen or Yes refrigerant to the system if the leakage is serious there will be distinct gas leakage cici sound if the leakage is little use the suds mixture of water and abluent is also ok if it can make bubble or electronic leak detector Drop refrigerant then use the high pressure nitrogen or refrigerant to blow pipe vacuumize and add the refrigerant again 23 24 High pressure protection Judge 1 Whether the wiring between the high pressure switch and main control board is connected well or correctly Yes Judge 2 Whether the high pressure switch is broken Validate Short connect the high pressure switch socket check whether the system can run normally No Check whether the refrigerant system is ok Judge 3 Check whether the outdoor ambient temperature is too high No Judge 4 Check whether the outdoor unit is bad ventilation N o 1 o 1 Yes O Yes Judge 5 Check whether the heat exchanger is dirty No Yes Judge 6 Check whether the refrigerant pipe is blocked No Replace outdoor PCB Connect it well Replace high pressure switch Stop the unit Make the outdoor unit ventilate well Clean the heat exchanger Drop refrigerant then use the high pressure nitrogen or refrigerant to blow pipe vacuumize and add the refrigerant again Part 3 Installation TPN APA PE 26
24. fore being shipped If the single pass pipe length is 5 m or more the quantity of fluorine required to be replenished is 0 060X L 5 Unit kg Record the replenishment quantity of the refrigerant and keep the record properly for reference in future maintenance 1420 1720N cm pong 144 176kgf cm 3270 3990N cm mua 333 407kgf cm Table 3 12 7 4950 6030N cm ka 504 616kgf cm 16 0 6180 7540N cm to 630 770kgf cm 19 0 9720 11860N cm ii 990 1210kgf cm 38 4 3 Expelling Air 4 3 1 From the following table select a method of expelling air Table 4 Length of connective pipe f single pass Procedure of expelling air Less than 5m Use refrigerant in the outdoor unit If the air conditioner is relocated be sure to use a vacuum pump or refrigerant tank to expel air 4 3 1 2 Use the refrigerant in the outdoor unit to expel air see Fig 31 and Fig 32 Outdoor unit Air side Intdoor unit Liquid side Stop valve pipe adapter Fig 31 e Screw up the pipe nuts at A B C and D completely e Loosen and remove the square head cover of valves A and B rotate the square head spool of valve B counterclockwise for 45 degrees and stay for about 10 seconds and then close the spool of valve B tightly e Detect leak for all adapters at A B C and D After making sure that no leak exists open the maintenance orifice nut of valve A After all air is expelled tighten the maintenance orifice nut of valve A e Open the sp
25. ion and drips of moist e Pull the connective wrapped connective pipe from outdoor through the sheath which gets through the wall and lead it into the room Lay out the pipelines carefully lest damage to the pipes 4 2 3 Make a vacuum of connective pipeline 4 2 4 After the above steps are completed the spool of the valve of the outdoor unit should be completely open and the refrigerant pipeline of the indoor unit and the outdoor unit should be smooth 4 2 5 Use leak detector or soap water detect leak carefully to prevent leakage 4 2 6 Put on an adiabatic envelope accessory at connective pipe adapter of the indoor unit and wrap it tight with the wrapping tape lest condensate and leakage OX XX Slant Coa60 50rse Burr e Flare a Use a pipe cutter to cut off the pipe O 90 NT Fig 28 b Pull the pipe into the rear flare of the connective nut 3 Fig 29 e Tighten the nut Align with the connective pipe Screw up the connection pipe nut manually and use a spanner to tighten it as shown in Fig 38 Fig 30 NOTE According to the installation conditions too large torque will damage the flaring and too small torque will lead to looseness and leakage Determine the tightening torque by reference to the following table e Replenishment quantity of refrigerant required for air conditioner The single pass pipe is shorter than 5 m and no additional length is required note The unit has been replenished be
26. larm device linked with the mechanical ventilation device aa i a Ventilation orifice part The leakage detection alarm device should be installed at the place vulnerable to retention of the refrigerant Fig 25 In case multiple systems are set in order to identify the connection system of the indoor unit and outdoor unit it is necessary to give name to each system and mark it onto the nameplate on the electric control box cover of the outdoor unit e The indoor unit and outdoor unit are categorized into system A and system B When installing and connecting the indoor unit and outdoor unit identify the label carefully and make sure that indoor unit corresponds to the outdoor unit exactly Otherwise it may lead to fault of the air conditioner e Model of indoor unit Room name Example the first system indoor unit A of the 2 floor is recorded as 2F 1A 34 3 Heat Insulation of the Pipe 3 1 Heat Insulation of the Pipe In order to prevent faults caused by condensate of the refrigerant pipe and drain pipe perform condensate prevention and heat insulation properly CAUTION If it is forecast that high humidity temperature environment condensate temperature is over 23 C may exist in the ceiling e g inside the ceiling with slab ceiling which is in the same environment as the outdoor air it is necessary to apply 10mm or thicker adiabatic wool 16 20kg m2 to the refrigerant pipe and the dr
27. magnetic waves exist Place where flammable gases or materials exist Place where acid or alkali gases evaporate Other special environments Install the unit where enough space of installation and maintenance is available Install the unit where the air inlet and air outlet are free from obstacles and strong wind Install the unit in a dry and well ventilated place Install the unit where the bearing surface is level and can bear weight of the unit and is suitable for installing the unit horizontally without increasing noise or vibration Install the unit where the operation noise and the expelling of air do not affect neighbors Install the unit where no flammable gas is leaked Install the unit where it is convenient for pipe connection and electric connection 2 Installation of Outdoor Units 2 1 Important Construction Checkpoints 1 Installation Check the model and name to avoid mistaken installation 2 Refrigerant pipe e The refrigerant pipes must have the specified diameter e Nitrogen of a certain pressure must be filled into the refrigerant pipe before welding e The refrigerant pipe must undergo heat insulation treatment e After the refrigerant pipe is installed completely the indoor unit cannot be powered on before performing the airtight test and creating a vacuum 3 Pressure test The refrigerant pipe must undergo the airtight test with 2 94MPa 30kgf cm G nitrogen 4 Creating a vacuum Be sure to u
28. of low pressure Protection of high pressure Protection of over current Protection of condenser hi temp Note X Light for 1 second extinguish for 1 second 9 Light Extinguish Light for 0 4 second extinguish for 0 4 second Kk Light for 2 second extinguish for 2 second 21 10 Malfunctions About the Fault of T3A or T3B High pressure protection low pressure protection Please refer to the following Fault of T3A or T3B Yes No Judge 1 Whether the sensor is break off Connects it well Judge 2 Whether the sensor is malfunction Validate Short connect the outdoor Yes ambient temperature sensor check Replace it whether it can run normally No Judge 3 PCB is malfunction Replace PCB 22 Low pressure protection Judge 1 The wiring between the low pressure switch and main control board is connected well or correctly Yes Judge 2 Whether the low pressure switch is broken No Connect it well Validate Short connect the low pressure switch Yes socket check whether the system can run normally Replace low pressure switch No Check whether the refrigerant system is ok Yes Judge 3 Check whether the outdoor ambient temperature is too low Stop the unit Nc Judge 4 The refrigerant of the system is leakage Validate Connect the pressure gauge to the gauge joint of the system check whether the pressure is lower than 0 15MPa Yes Judge 5 The r
29. ools of valves A and B completely e Tighten the square head cover of valves A and B completely 4 3 1 3 Use refrigerant tank to expel air see Fig 6 8 and Fig 6 9 e Screw up the pipe nuts at A B C and D completely e Loosen and remove the square head cover and the maintenance orifice nut of valves A and B e Connect the filler hose of the refrigerant tank with the maintenance orifice of valve A e Loosen the valve of the refrigerant tank continue filling refrigerant for 6 seconds to expel the air and tighten the nut of valve B quickly e Loosen the valve of the refrigerant tank again and fill the refrigerant for 6 seconds Detect leak for all adapters at A B C and D After making sure that no leak exists screw off the filler hose After all the filled refrigerant is expelled screw up the maintenance orifice nut of valve A quickly e Open the square head spools of valves A and B completely e Tighten the square head cover of valves A and B 4 3 1 4 Use a vacuum pump to expel the air Fig 32 For method of using the manifold valve see the operation manual of manifold valve 39 Manitold valve Multimeter manometer Hi handle Filler hose VA Vacuum pump Lo pressure valve Fig 32 Loosen and remove the maintenance orifice nut of valve A and connect the filler hose of the manifold valve to the maintenance orifice of valve A tighten both valve A and valve B Connect the filler hose adapter to the vacuum
30. pump Open the low pressure Lo handle of the manifold valve completely Start the vacuum pump to extract air At the beginning of extracting air slightly loosen the maintenance orifice nut of valve B check whether any air enters it the vacuum pump noise changes and the multi meter indicate from negative to 0 Then tighten this maintenance orifice nut Upon completion of vacuuming tighten the low pressure Lo handle of the manifold valve completely and stop the vacuum pump Keep extracting air for over 15 minutes Check whether the multi meter points at 1 0X10 Pa 76cmH9g Loosen and remove the square head cover of valves A and B After opening valves A and B completely tighten the square head cover of valves A and B Remove the filler hose off the maintenance orifice of valve A and then tighten the nut 4 3 1 5 Procedure of using stop valve 40 Open the spool until it touches the stop block Do not attempt to open further Use a spanner or a similar tool to tighten the bonnet The bonnet tightening torque is shown in Table 3 Tightening torque Upon completion of installation open all valves before trial run Each unit has two valves of different sizes located at the outdoor unit side Of the two valves one is gas valve and the other is liquid valve The procedure of opening closing the valve is shown in the right figure Fig 33 Procedure of opening the valve Open the square head cover use a spanner to capture the square h
31. rizontal and vertical distance of the fan can be adjusted applicable to department store and exhibition hall where the decorative effect is essential 1 Low noise compared with other air outlets Applicable to tall buildings that require along distance of air conditioning 2 Select the ventilation pipe connection caliber according to the distance and the air speed 3 Applicable to storey height of over 5m for design of tall storey such as temple consult Midea 1 The fan is the adjustable type which can change direction of air flow It is used for deluxe decoration 2 The outline size should increase when the air flow is over 450CMH 3 or 4 SOLT when about 6 diffusers are required the outline size should increase 3 If the proper air speed is 2 5 5m s and actual air speed reaches over 5m s it is necessary to choose other diffusers with higher noise values Air outlet woodengrille Duct wrapping tape Auxiliary Aluminium adhesive tape materials 1 Low noise compared with other air outlets Applicable to tall buildings that require a long distance of air conditioning 2 Select the ventilation pipe connection caliber according to the distance and the air speed 3 Applicable to storey height of over 5m for design of tall stores such as temple consult Midea 1 Flanges and pipelines connected to the ventilation pipes 2 When the noise pipe is connected with the hose the ventilation pipe tape must
32. romulgated by the State and set the Residual Current operated Circuit Breaker RCCB properly The power wire and the signal wire shall be laid out neatly and properly without mutual interference or contacting the connection pipe or valve No power cable is attached to this equipment The user can select the power cable by reference to the stipulated power supply specifications No joint of wires is allowed Upon completion of wire connection double check it and then connect the power supply 6 1 1 Duct type 76 kBtu h 96 kBtu h 120 kBtu h Indoor Unit LINS 12 13 la I Wired controller wwe Indoor unit Ban power supply e NE Mi as ma E z ii Connecting wire between indoor and outdoor units 8 ste OF Outdoor unit r de a a cw EXA 5 A ennn E u om Connecting wire between indoor and outdoor units E 5 E o LIL LINES To display panel of indoor unit Indoor unit power supply Outdoor unit power supply 43 Outdoor unit ASE 76AH ASE 96AH ASE 120AH 380 415V 380 415V 380 415V Powersupply 3N 50Hz 3N 50Hz 3N 50Hz Capacity of power 60 40 60 40 supply fuse A pulag Power supply YCW 450 750 YCW 450 750 YCW 450 750 cable 4 6 0 mm 4 6 0 mm 4 6 0 mm YCW 450 750 YCW 450 750 YCW 450 750 Connective wire of RVV 300 500 RVV 300 500 RVV 300 500 ncoor WE puton 4 1 0 mm 4 1 0 mm 4 1 0 mm Wire controls RVVP 300 300 RVVP 300 300 RVVP 300 30
33. s e Use high pressure nitrogen to clean the pipelines Do not use the refrigerant of the outdoor unit for cleaning 2 11 Refrigerant Leak Precautions This air conditioner uses refrigerant R410A The R410A is safe refrigerant which is harmless and non flammable The room for placing the air conditioner should have a proper space Even if refrigerant leakage occurs the density threshold will not be crossed Additional measures may also be taken 1 Density threshold Density of the Freon gas that does not harm the human body Density threshold of R410A 0 3 kg m3 e Calculate the total quantity of refrigerant to be replenished A kg Total refrigerant quantity for 1OHP refrigerant replenishment quantity upon shipment 11 kg additional refrigerant replenishment corresponding to the pipe length e Calculate out the indoor volume B m3 according to the minimum volume e Calculate out the refrigerant density A kg Density threshold 0 3 kg m Bim 2 Measures against crossing of the refrigerant density threshold e n order to keep the refrigerant density below the threshold value please install a mechanic ventilation device Perform ventilation often e Incase frequent ventilation is impossible please install the leakage detection alarm device linked with the mechanical ventilation device 33 Outdoor unit Room in which refrigerant is leaked All refrigerant is leaked Fig 24 b Leakage detection a
34. s r o Purkynova 45 612 00 Brno Czech Republic WWW nepa CZ Toll free info line 420 800 100 285
35. se the vacuum pump to create a vacuum of the connective pipe at both air side and liquid side concurrently 5 Refrigerant replenishment e lf the pipe is longer than the reference pipe the refrigerant replenishment quantity for each outdoor unit should be calculated through the formula obtained according to the actual length of the pipe e Record the refrigerant replenishment quantity actual length of pipe and the height difference of the indoor amp outdoor units onto the operation confirmation table on the electric control box of the outdoor unit in advance for future reference 6 Electric wiring e Select the power supply capacity and wire size according to the design manual The power wire size of the air conditioner should be greater than that of ordinary motors e n order to prevent disoperation of the air conditioner do not interleave or entwine the power cable 380 415V 3N 50Hz with the connection wires low voltage wires of the indoor outdoor unit e Power on the indoor unit after performing the airtight test and making a vacuum rt 7 Trial run Perform the trial run only after the outdoor unit has been powered on for over 12 hours 2 2 Installation Space e When installing the unit leave a space for maintenance shown in the following figure Install the power supply at the side of the outdoor unit e Ensure enough space for installation and maintenance Fig 14 and Fig 15 27 Air outlet Air inlet 4
36. smoothly and the noise is lower 2 The noise value varies with the length 3 The hose joint should be bent lest detachment of the pipe 1 Install the unit at the air outlet so that the air flows smoothly and the noise is lower 2 Select 1BY2 or 1BY3 according to the quantity of the diffusers 3 The diffuser pipes should preferably have the same length after branching and the minimum length of the ventilation pipes is 5m 45 46 Air outlet m pa Air outlet Airoutlet Pi N EJ gaas Rectangular wa 24 1 Fixed model that diffuses air at a 360 angle 2 The outline size should increase when the air volume is over 350CMH For above 303 e when about 9 diffusers are required the outline size should increase 3 The diffuser pipes should preferably have the same length after branching and the minimum length of the ventilation pipes is 5m 1 Fixed model that diffuses air at a 360 angle 2 The outline size should increase when the air volume is over 350CMH For above 303 e when about 9 diffusers are required the outline size should increase 3 Proper air speed For air speed of over 2 3 5m s select other diffusers with great noise 4 Install the diffuser pipe if it is necessary to install the model of over 3 5m s 5 For purpose of cooling only model 1 The lengthwise adjustable model which diffuses air at a 360 angle 2 With the change of the cooling heating air flow the ho
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