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INSTALLATION MANUAL

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1. Between outdoor unit and indoor unit When indoor unit is installed below sQmierless P Between outdoor unit and indoor unit When outdoor unit is installed below 0morl ss Between indoor units 15 m or less H2 H3 Between outdoor units 0 5 m or less H4 Total refrigerant amount 63 kg or less Outdoor unit capacity Master gt Slave C Inthe case of 3 outdoor units connected 0 U 3 Slave2 ou ou er Master Slave1 Ha U Outdoor unit 4 1 1 U Indoor unit i EA AAN 1 II Boe ee koe oe Fig C HA LU y Meere een i i H2 i i Ha Lu Y Y Allowable pip length actual pipe length Between master outdoor unit and the ate f farthest indoor unit 150 miorless ate p Between the first separation tube and the farthest indoor unit 20 monless fp Total pipe length 1000 m or less Total Between outdoor unit and outdoor unit a morles abe branch kit D Between the farthest outdoor unit and the 12 ass b d first outdoor unit branch kit mon c d Allowable height difference Between outdoor unit and indoor unit When Ver 50 m or less indoor unit is installed below bli Between outdoor unit and indoor unit When ae 40 m or less outdoor unit is installed below Between indoor units 15 m or less H2 H3 Between outdoor units 0 5 m or less H4 Total refrigerant amount 94 5 kg or less Outdoor unit capacity Master gt Slave 1 Slave
2. PROHIBITED Master Slave Slave unit united unit 2 To indoor unit 1 el PROHIBITED Master Slave Slave unit unit4 unit 2 el Et To indoor unit A m j _ PROHIBITED Master Slave Slave unit unit unit 2 To indoor unit lt I 2 Ifthe pipe length between outdoor unit branch kit and outdoor unit branch kit or slave unit is longer than 2 m or a lower pipe line exists between outdoor units rise for gas pipe should be arranged to eliminate oil from entering into and remaining at pipes and the stopped outdoor unit However there is no need to provide a rise on the pipe connecting between the master unit and the indoor unit even ifthe length exceeds 2m Master Slave Slave unit unit 1 unit 2 gl To indoor uni Gas pipe 2 m or less l 2 m or less Master Slave Slave unit unit1 unit2 ll ll lol Rise 200 mm or more To indoor uni Gas pipe 2 mor less 2 mor less 2 m or more 2 mor more YN O Master Slave 5 unit unit1 E E Slave o unit2 em Il 3 To indoor unit
3. 34 92 1 3 8 41 27 1 5 8 4 4 to 11 1 9 52 3 8 15 88 5 8 11 2 to 13 9 9 52 3 8 19 05 3 4 14 0 to 28 0 12 70 1 2 22 22 7 8 28 1 to 44 7 12 70 1 2 28 58 1 1 8 44 8 to 56 0 15 88 5 8 28 58 1 1 8 56 1 to 80 0 15 88 5 8 34 92 1 3 8 80 1 to 95 0 19 05 3 4 34 92 1 3 8 95 1 or more 19 05 3 4 41 27 1 5 8 If the selected pipe diameter between separation tubes based on table C becomes larger than the pipe diameter between outdoor unit branch kit and the first separation tube based on table B please select the pipe whose diameter is equal to the one between outdoor unit branch kit and the first separation tube If pipe diameter C gt B select pipe size from table B unit connected downstream Table D 07 09 12 14 2 2 2 8 3 6 4 0 4 5 Between separation tube to indoor unit 6 35 1 4 Total cooling capacity of indoor unit is the total value for the cooling capacity of indoor 12 70 1 2 18 24 30 5 6 7 1 8 0 9 0 9 52 3 8 15 88 5 8 36 45 54 60 11 2 12 5 14 0 18 0 9 52 3 8 19 05 3 4 72 90 22 4 25 0 12 70 1 2 22 22 7 8 Use a standard separation tube for pipe branching Do not use a T tube as it does not separate the refrigerant evenly Table E Separation tube Header Separation tube
4. 28 0 or less UTP AX090A or UTR BP090X 28 1 to 56 0 UTP AX180A or UTR BP180X 56 1 or more UTP AX567A or UTR BP567X Header 28 0 or less UTR HO906L UTR HO908L 28 1 to 56 0 UTR H1806L UTR H1808L 5 For the installation method refer to the section on Indoor unit pipe connections below 4 3 Protection of pipes Protect the pipes to prevent the entry of moisture and dust Especially pay attention when passing the pipes through a hole or connecting the end of a pipe to the outdoor unit 1 month or more Pinch pipes Outdoor Less than 1 month Pinch or tape pipes Indoor Pinch or tape pipes 5 PIPE INSTALLATION 5 1 Brazing If air or different type of refrigerant enters the refrigeration cycle the internal pres Pressure regulating valve sure in the refrigeration cycle will become Cap abnormally high and prevent the unit from exerting its full performance x Apply nitrogen gas while brazing the pipes Nitrogen gas pressure 0 02 MPa suf ficient pressure to be felt on the back of your hand or more Nitrogen gas Brazing area If a pipe is brazed without applying nitrogen gas it will create an oxidation film This can degrade performance or damage the parts in the unit such as the com pressor or valves Do not use flux to braze pipes If the flux is the chlorine type it will cause the p
5. Outdoor unit reverse missing phase amp wiring error Outdoor unit EEPROM access error Outdoor unit inverters communication error Outdoor unit EEPROM data corruption error oalololololuln n 2 DIDI DZ EEE EC ajojojoja a o n Outdoor unit PCB Elec Outdoor unit inverter error trical component Switch error Outdoor unit inverter PCB power short interruption error o i N E es Outdoor unit magnetic relay error Outdoor unit rush current limiting resister temp rise error protective operation m m m m m m m m m m m m m m m p N Outdoor unit transmission PCB parallel communication error o Outdoor unit discharge temp thermistor 1 error Outdoor unit discharge temp thermistor 2 error Outdoor unit compressor temp thermistor 1 error Outdoor unit compressor temp thermistor 2 error Outdoor unit heat ex liquid temp thermistor error Outside air temp thermistor error Outdoor unit suction gas temp thermistor error NI NI N NINJNI NIN o Se S S Mee AAA RE Outdoor unit heat sink temp thermistor error Outdoor unit sub cool heat ex gas inlet temp thermistor error Outdoor unit sub cool heat ex gas outlet temp thermistor error m m m m m m m m m m Outdoor unit sensor error N P N Outdoor unit liquid pipe temp thermistor 1 error Outdoor unit liquid pipe temp thermistor 2 er
6. When H3 is 1500 mm or less L3 500 mm L3 gt 500 h3 2 mm L4 200 mm L4 gt 200 h4 2 mm L5 200 mm When H5 is 500 mm or more L5 200 h5 2 mm Fig 4 lt Front gt lt Side view gt lt Rear gt n amp St zs LO EN T I x HE o LO L3 L4 Wall Wall Fig 5 lt Front view gt Ul ri FA 2 11 oo 11 2 ts 25 2 2 O 2 Wall Wall Fig 6 lt Top view gt 7 TL4 A 800mm or more A 800mm or more Y 4 L3 ae E pr reo Fan m L5 20mmor 20mm or L5 more more Fig 7 lt Top view gt fla ry 500mm or more Y A 1000mm or more 5 A L3 u Y L5 20mm or 20mm or L5 more more 3 3 2 When install near unlimited height wall 1 Single and multiple installations There are no restrictions on the height of the wall The wall without height restrictions must not exist on the both sides left right of outdoor unit Also must not exist on the both sides front rear of outdoor unit Provide installation spaces other than L6 in accordance with the conditions shown in the figure below Ventilation resistance can be ignorable when the distance from a wall or prod uct etc is larger than 2 m
7. 6 7 2 External input terminal Service parts EXTERNAL INPUT WIRE A 9368777005 Setting to low noise mode outdoor unit operation peak control setting emergency batch stop and electricity meter pulse are possible from the outside Except for wattmeter pulse reception CN135 among external input terminals only the Master unit is effective Wiring method and specifications A twisted pair cable 0 33 mm 22AWG should be used Maximum length of cable is 150 m Use an external input and output cable with appropriate external dimension de pending on the number of cables to be installed For each input pin No 1 is of positive polarity and pin No 2 is of ground level En 14 Input 1 Input 2 Input 3 Input 4 Input 5 CN131 CN132 CN133 CN134 CN135 Yellow Green White Red Orange connected unit connected unit connected unit connected unit connected unit Operation behavior Each input terminal works as follows Input 1 Normal operation CN131 Yellow Low noise mode operation Input 2 Cooling priority CN132 Green 1 Heating priority Normal operation Input 3 p CN133 White Outdoor unit operation peak control Input 4 Normal operation CN134 Red ON Batch stop or Emergency stop operation 2 3 No information from electricity meter Power usage information from electricity meter No pulse Input 5 CN135 Orange 4 Pulse Slave unit
8. Accessory Field supply Strainer Accessory 5 4 Multiple connections When connecting multiple maximum 3 units be sure to install the unit with the largest capacity nearest to the indoor unit For example AJH126LNLAH Outdoor Unit1 AJH126LNLAH Outdoor Unit2 AJHO9OLNLAH Outdoor Unit3 When connecting multiple units set the unit with the largest capacity as the master unit and the rest as the slave units Refer to 7 Field Setting When connecting multiple units use the optional outdoor unit branch kit Outdoor Capacity 2 Units Unit 1 2 Unit 2 3 Units Unit 1 gt Unit 2 gt Unit 3 Outdoor unit branch kit Optional To indoor unit To main pipe To outdoor unit ee Liquid pipe Field supply Gas pipe Field supply To outdoor unit Branch kit restriction when install Be sure following restriction 1 Installation angle Outdoor unit branch kit Horizontal A To indoor unit B TO outdoor unit To outdoor unit or PROHIBITED next branch kit PROHIBITED GOOD A c C B y GOOD p y 0 to 10 0 to 10 PROHIBITED PROHIBITED Vertical PROHIBITED PROHIBITED PROHIBITED Install the outdoor unit branch kit horizontally level within 0 to 10 so that the refrigerant separates evenly Do not install the outdoor unit branch kit vertically 2 Straight pipe length To indoor unit To main pipe a 4 To out
9. Gas pipe lower pipe En 10 6 ELECTRICAL WIRIN 6 2 Wiring method 6 The precautions of electrical wiri The wiring example for outdoor units and indoor units is shown in the figure To other refrigerant cricuit outdoor unit Wiring connections must be performed by a qualified person in accordance with specifications The rated supply of this product is 50Hz 400V of 3 phase 4 wire Use a voltage within the range of 342 456V rr 10 Make sure to perform earthing grounding work Improper earthing grounding work ifi can cause electric shocks Hl Power supply Power supply Power supply 400V 39 50Hz 400V 30 50Hz 400V 39 50Hz Before connecting the cables make sure the power supply is OFF 7 p pey Hy Jaleel no 11 1219 n O 11 12 1a nO Be sure to install an earth ground leakage breaker O
10. 4 opening holes on bottom of front and rear side as shown in figure Use 2 ropes at least 8m long If used shorter length it may cause to damage to the unit Use the sufficiently strong rope to bear the unit s weight Place the protective board or filler cloth at the place where the cabinet may come into contact with rope to prevent from damages Without using them cabinet may cause to damage or deform During the hanging unit make sure to keep the unit level to prevent from falling To prevent an unit swing accident or falling down of the unit do not apply any impact to the unit when it is hanging protective boards o opening space Lifting by forklift When using the forklift to lift the unit pass the forklift arms through the opening space as shown in below Front Bottom of the wooden delivery pallet Side Space between pallet and cabinet Enable to remove the pallet from cabinet Be careful not to damaged Lifting by forklift Manual forklift hand fork When using the manual forklift to lift the unit pass the forklift arms through to the opening space between pallet and cabinet from side lt Front gt lt Side gt When connecting multiple outdoor units set the nearest outdoor unit to the indoor unit on the refrigerant pipe as the master unit When connecting multiple outdoor units install the outdoor unit with the largest nominal system capacity
11. 7 5 1 Signal amplifier address setting When using signal amplifiers the address for signal amplifiers must be set The address for signal amplifiers can be set automatically from 1 outdoor unit master unit on the network Refer to the next section Fig Wiring example for automatic address setting for the wiring example For manual setting of address refer to the signal amplifier installation manual 7 5 2 Procedures to enable automatic address setting on signal amplifier When setting the address of the signal amplifier please use the factory setting See the installation manual of the signal amplifier When the system is normal nothing will be displayed on the 7 segment indicator When ERROR is displayed inspect the units Use the MODE EXIT SELECT and ENTER buttons on the outdoor unit PC board to configure settings according to the procedures below PASA 1 FUNCTION Setting First 2 digits Last 2 digits l I I i The indicator when the 1 i main power is turned on if MODEIEXIT Ys i i Fi l I N i if zo i i Fig l ZN 1 SELECT i i y 1 NI 1 When F4 to F9 are displayed 1 F 3 continue to press the SELECT XS button until F3 is displayed I eee Automatic address setting Y for signal amplifiers Press the SELECT button until 10 is
12. A egrees is normal atures 9 E A 3 2 Outdoor unit compressor 2 temperature error Check the 7 Refrigerant system error y gt Error blinking or no error E A 4 1 Outdoor unit high pressure error Error is not displayed segment LED z indicator code display E A 4 2 Outdoor unit high pressure protective action 1 E A 4 3 Outdoor unit high pressure protective action 2 E A 5 1 Outdoor unit low pressure error 10 LED Status E A C 4 Outdoor unit heat sink temperature error You can determine the operating status by the lighting up and blinking of the 7 seg 7 segment LED indicator ment LED indicator Check the status using the table below A E O r d 10 1 Normal operation mode E Description H En P 4 6 a La m om TI Nia During oil recovery operation During defrosting operation During peak cut operation During low noise operation During setting of snowfall mode ou C JUNE an x N JM oh 3 m LO LTS mm En 10 2 Error codes Mode Code Description Communication error between outdoor units Outdoor unit network communication 1 error Communication error a a Outdoor unit network communication 2 error The number of indoor unit shortage Auto address setting error Function setting error Signal amplifier auto address error Indoor unit actuator error Indoor unit miscellaneous error
13. When installing with the REAR of the outdoor unit facing the wall side Condition Necessary installation space When B gt 400 mm L6 gt 200 mm When 20 lt B lt 400 mm L6 gt 200 400 B x3 mm Fig 8 Single installation lt Top view gt 100mm lt Rear gt or more lt Front gt J 200mm or more Fig 9 Multiple installations lt Top view gt 200mm B B or more 800mm or more i 200mm 200mm or more Example When B is made 200mm L6 gt 200 400 200 x3 800mm En 4 When installing with the FRONT of the outdoor unit facing the wall side Fig 10 lt Top view gt Wall 500mm or more 200mm or more Fig 11 lt Top view gt Wall 500mm or more a 200mm 20mm or 20mm or or more more more 2 Concentrated Installation The wall without height restrictions must not exist on the both sides left right of outdoor unit Also must not exist on the both sides front rear of outdoor unit Ventilation resistance can be ignorable when the distance from a wall or product etc is larger than 2m Fig 12 lt Top view gt A _A lt lt AP o 7 400mm y or more ry 800mm or more Y 4 800mm or more y Loa LU u 1000mm 400mm 400mm
14. Z CAUTION This unit must be installed by qualified personnel with a capacity certificate for handling refrigerant fluids Refer to regulation and laws in use on installation place The installation must be carried out in compliance with regulations in force in the place of installation and the installation instructions of the manufacturer This unit is part of a set constituting an air conditioner It must not be installed alone or with non authorized by the manufacturer This unit contains no user serviceable parts Always consult authorized service personnel to repairs When moving consult authorized service personnel for disconnection and installa tion of the unit Obtain the distribution network operator s agreement about the power capacity of the power supply system specification of the cable and the harmonic current and etc when you connect the outdoor unit with the power supply This unit must be connected to a power supply with impedance of 0 33 ohm and below If the power supply does not satisfy this requirement please consult the power supplier This product is intended for professional use Be sure to use a dedicated power circuit Never use a power supply shared by another appliance Do not install the unit in the following areas For the installation conditions if installing in an area of high salt damage such as the coast follow the Design amp Technical Manual Area filled with
15. a Setting number x01 0 1 by the remote controller Electricity meter 7 10 gen s No setting 1 2 Priority given to the first 0 0 a 70 Setting number x98 9 8 g command Operation mode TEF Setting number x99 9 9 lecti thod Priority given to external 2 1 0 1 se ecung method input of outdoor unit Set the ones digit and tens digit of the No of the electricity meter connected to Priority given to adminis 0 2 EN135 trative indoor unit Setting number Oxx 0 0 o 21 Select the priority setting of the operation mode Electricity meter Setting number 1xx 7 1 0 1 Priority given to the first command Priority is given to the operation mode 71 No setting 2 2 A which is set first Setting number 2xx 0 2 Priority given to external input of outdoor unit Priority is given to the operation Set the hundreds digit of the No of the electricity meter connected to CN135 mode which is set by the external input terminal CN132 e Priority given to administrative indoor unit Priority is given to the operation Setting number xx00 0 0 bd mode of the administrative indoor unit which is set by the wired remote control Setting number xx01 0 1 ler Electricity meter 7 2 Si falli Normal mode 0 0 e pulse setting 1 3 dedo 3 72 Setting number xx98 9 8 protection fan Snow falling protection fan 2 2 o 4 22 mode 1 mode Setting number xx99 9 9 This mode operates the fans of outdoor units in order to prevent the units from stop
16. are there in a VRF system Where will you set the terminal resistors in a network segment Condition for 1 segment Total number of outdoor and indoor units and signal amplifiers is less than 64 or the total length of the transmission cable is less than 500m How many outdoor units are connected to 1 refrigerant system Configure the setting DIP switch SET5 of the terminal resistor of the outdoor units as shown below from conditions to Disable Factory setting Enable Figure Terminal resistor setting NS1 Network segment 1 Set terminal resistor at outdoor units ASA Terminal resistor on PEJE LLEIDA i Master unit Refrigerant system1 nt Terminal resistor off i AER e e a i Master unit Refrigerant system2 i O O meee deal SSA rat NS2 Network segment 2 al Gil El NS3 Network segment 3 NS4 Network segment 4 Terminal resister on About the setting of terminal resistor Outdoor unit Master unit E o off Signal amplifier ei Install OF Do not install Rotary switch settin The rotary switch REF AD sets the refrigerant circuit address of the outdoor unit Configure the settings only on the master unit of a refrigerant system If multiple refrigerant systems are connected set th
17. can connect only input5 CN135 The operations of each input terminal and the selection of function are set with the push button on the PC board of outdoor unit About the setting please refer to 7 4 Push button setting Note 1 The external input priority mode must be set by pressing push button on PC board of outdoor unit 2 Batch stop or Emergency stop pattern can be selected by outdoor unit PC board push button 3 The emergency stop function mounted in the V II does not guarantee the regulations of each country For this reason sufficient checking is necessary regarding use Especially since the fact that the equipment may not be emergency stopped in the case of breaking of the wiring to the external input terminals and com munication line communication error due to noise VRF external input circuit trouble etc must be considered the provision of double measures that add direct interruption of the power supply by switch etc is recommended as a precaution Pulse input to CN135 must be width 50ms or more and must be interval 50ms or more 6 7 3 External output terminal Service parts EXTERNAL INPUT WIRE A 9368777005 You can detect the operation condition of outdoor unit and the abnormal situation of both indoor and outdoor unit The external output terminal is only valid for Master Unit Wiring method and specifications Error status Master unit only This output indicates
18. edge PROHIBITED Shorted at root 2 wires l GOOD PROHIBITED PROHIBITED 6 5 1 Transmission wiring specifications Follow the specifications below for the transmission cable 22AWG LEVEL 4 NEMA LONWORKS com patible cable Transmission cable non polar 2core twisted pair solid core diameter 0 65mm 6 5 2 Wiring rules 1 Total length of transmission cable Total transmission line length Max 3 600 m EF EG GH HJ HK KL lt 3 600 m Fig 2 In the following cases Signal Amplifier is required When the total length of the transmission line exceeded 500 m AB BC BD gt 500 m Fig 1 When the total number of units is over 64 Transmission line length between each unit gt 400 m 2 Length of transmission cable between 1 network segment NS EF EG GH HJ HK lt 500 m Fig 2 KL lt 400 m Fig 2 3 Length of transmission cable between outdoor units in a refrigerant system MN lt 18 m NP lt 18 m En 12 Fig 1 Outdoor unit all Transmission line System I B c Controller Termin dae da dez de da dd gt resistor D N H H dal fbi fi Ind
19. location with good ventilation When H1 is 1500 mm or less L1 gt 500 mm If the unit must be installed in an area within easy reach of the general public install When H1 is 1500 mm or more L1 gt 500 h1 2 mm as necessary a protective fence or the like to prevent their access When H2 is 500 mm or less L2 gt 100 mm Install the unit in an area that would not inconvenience your neighbors as they could be affected by the airflow coming out from the outlet noise or vibration When H2 is 500 mm or more L2 gt 100 h2 2 mm If it must be installed in proximity to your neighbors be sure to obtain their approval isa i i Fig 1 lt Side view gt If the unit is installed in a cold region that is affected by snow accumulation snow fall lt Fronts Rears or freezing take appropriate measures to protect it from those elements To ensure a stable operation install inlet and outlet ducts A Install the unit in an area that would not cause problems even if the drain water is discharged from the unit Otherwise provide drainage that would not affect people or objects zs pe ry Install the unit in an area that has no heat sources vapors or the risk of the leakage Ws of flammable gas in the vicinity 4S o Install the unit in an area that is away from the exhaust or vent ports that discharge 2 vapor soot dust or debris E Li tz Install the indoor unit outdoor unit power supply cable transmission cable and
20. minutes due to the risk of electric shock i es Me ee 1 N Always use a separate power supply line protected by a circuit breaker operating on AL a o all cables with a distance between contact of 3 mm for this unit uhol uhoa E x Use crimp type terminals and tighten the terminal screws to the specified torques Transmission Transmission Transmission otherwise abnormal overheating may be produced and possibly cause serious dam Ind a Ind o Ind age inside the unit ndoor unit ndoor unit ndoor unit Securely install the electrical box cover on the unit An improperly installed service Power supply Remote control Power supply Remote control Power supply Remote control panel can cause serious accidents such as electric shock or fire through exposure to E LIN O yi y2 3 LINO viv LIN lO mM vz Y3 dust or water 0 If the supply cable is damaged it must be replaced by the manufacturer its service J sil agent or similarly qualified persons in order to avoid a hazard 1 a 2 The primary power supply capacity is for the air conditioner itself and does not include the Breaker Til concurrent use of other devices Connect the power cables in positive phase sequence If they are connected in LIN Remote En Remote En Remote negative phase sequence an error will be displayed If there is a missing phase con controller controller controller nection the unit will not operate normally Do not connect a N phase neutral phase Po
21. nearest to the indoor unit on the refrigerant pipe fol lowed by those with less nominal system capacities Capacity Master 2 Slave Always keep to the limit on the total amount of refrigerant Exceeding the limit a on the total amount of refrigerant when charging will lead to malfunction BR N Fork Forklift or A la case of 1 outdoor unit connected ork Forkli i ig Delivery pallet Fork Manual forklift OU Master 3 5 Installation the unit ij O U Outdoor unit I U Indoor unit Install the unit level within 3 degrees O US aa ee Install 4 or more anchor bolts at the 8 locations indicated by arrows Fig A Place the left and right anchor bolts at a distance further away than the dimensions f _ 1 of A in the Table A E Excluding the case where anchor bolts are installed at 8 places o H1 Fig A Unit mm B i j gt 160 A 160 BW rer 1 H2 1 1 l Hole 12 x 17 1 8 place
22. nitrogen gas then depressurize down to 100 7kPa 755mmHg for an hour using the vacuum pump vacuum process Ifthe pressure does not reach 100 7kPa 755mmHg even after depressurizing for at least 2 hours repeat the vacuum breakdown vacuum process After vacuum process maintain the vacuum for an hour and make sure the pres sure does not rise by monitoring with a vacuum gauge Evacuation procedure 1 Remove the caps of the gas pipe and liquid pipe and check that the valves are closed 2 Remove the charging cap 3 Connect a vacuum pump and a pressure gauge to a charging hose and connect it to the charging port 4 Activate the vacuum pump and vacuum the indoor unit and connection piping until the pressure gauge becomes 100 7kPa 755mmHg Evacuate from both the gas pipe and the liquid pipe 5 Continue evacuating the system for 1 hour after the pressure gauge reads 100 7kPa 755mmHg 6 Remove the charging hose and reinstall the charging cap En 20 3 Additional chargin Do not turn on the power unless all operations are complete After evacuating the system add refrigerant Do not charge the system with a refrigerant other than R410A Always keep to the limit on the total amount of refrigerant Exceeding the limit on the total amount of refrigerant will lead to malfunction during charging of refrigerant Do not reuse recovered refrigerant Use an electronic scale to measure the charging am
23. sealing test and charging of the refrigerant gas have been completed After connecting the pipes perform a sealing test Recheck that the spindle of the 3 way valve are closed before performing a sealing test Fig B Pour nitrogen gas through both the liquid pipe and the gas pipe Pressurize nitrogen gas to 4 2 MPa to perform the sealing test Check all flare connection areas and brazed areas Then check that the pressure has not decreased Compare the pressures after pressurizing and letting it stand for 24 hours and check that the pressure did not decreased When the outdoor temperature changes 5 C the test pressure changes 0 05 MPa If the pressure has dropped the pipe joints may be leaking If a leakage is found immediately repair it and perform a sealing test again Decrease the pressure of nitrogen gas before brazing After completing the sealing test release the nitrogen gas from both valves Release the nitrogen gas slowly 8 2 Vacuum process Do not turn on the power unless all operations are complete If the system is not evacuated properly its performance will drop If moisture enter the piping follow below i e if doing work during the rainy season if the actual work takes long enough that condensation may form on the inside of the pipes if rain might enter the pipes during work etc After operating the vacuum pump for 2 hours pressurize to 0 05 MPa i e vacuum breakdown with
24. than 12 hours before restarting the operation En 22 E 9 2 1 Outdoor unit compressor 2 error E 9 2 2 Outdoor unit compressor 2 current value error Check description Check method E 9 3 1 Outdoor unit inverter compressor start up error Cooling low pressure ap E 9 4 1 Outdoor unit trip detection High and low pressure Check it with a prox 0 8 MPa Outdoor unit actuator E 9 5 5 Outdoor unit compressor motor loss of synchronization values are normal pressure gauge Heating high pressure ap error E 9 7 4 Outdoor unit fan motor 1 lock error prox 3 0 MPa A Fr E 9 7 4 Outdoor unit fan motor 1 under voltage Drain water is dis Check it b E charged smoothly ad ica A y pour e g 7 5 Outdoor unit fan motor 1 temperature error through the drain hose TOAST protective action Indoor and outdoor unit Check them visu E 9 U 2 Outdoor slave unit error fans are operating ally alala Outdoor unit discharge temperature 1 error Compressor operates after Check the operat permanent stop the indoor unit operates ing sound elalals Outdoor unit discharge temperature 2 error Difference between inlet Measure the inlet T ture diff 10 permanent stop and outlet temperatures and outlet temper Paia ute gmerenes E A 3 1 Outdoor unit compressor 1 temperature error
25. the outdoor unit and connected indoor unit s Normal or Error status Operation status Master unit only This output indicates the outdoor unit s Operation status ov Normal CN136 Black DC 12 to 24 V Error ov Stop CN137 Blue DC 12 to 24 V Operation En 15 1 i DC power supply External 12 to 24 V i 1 1 Connected load Operation Indicator or Error Indicator 6 connected unit 5 Provide a DC12 to 24 V power supply Select a power supply capacity with an ample surplus for the connected load 6 The allowable current is 30 mA or less Provide a load resistance such that the current becomes 30 mA or less 7 Polarity is for pin 1 and for pin 2 Connect correctly Do not impress a voltage exceeding 24 V across pins 1 2 A twisted pair cable 0 33 mm AWG22 should be used Maximum length of cable is 150 m Use an external input and output cable with appropriate external dimension de pending on the number of cables to be installed 6 7 4 Base heater terminal Service parts WIRE WITH CONNECTOR 9708642000 This is the output signal for base heater Output signal ON when the outdoor tem perature goes down below 2 C and signal OFF at the outdoor temperature 4 C P C B AC240 V For rated 415 V power supply Cable 0 82 mm 18AWG 8 Connect to pin 1 and pin 3 No connection pin 2 and pin
26. you are installing more outdoor units than indicated here please ensure sufficient space or consult your distributing agent as it may affect the performance due to short circuit and other problems Install the unit in a location that can withstand its weight and where it will not topple or fall Calculate the proper refrigerant concentration if you will be installing it in an en 3 3 1 When install near by limited height wall closed location 1 Single and multiple installations Total amount of replenished refrigerant in refrigerant facility kg Refrigerant concentration kg m There are no restrictions on the height of the side wall Capacity of smallest room where unit is installed m 0 3kg m Provide installation spaces L1 and L2 in accordance with the table below according If the results of the calculation exceed the concentration limit increase the room to the wall height front side rear side conditions surface area or install a ventilation duct Provide installation spaces other than L1 and L2 in accordance with the conditions shown in the figure below Ventilation resistance can be ignorable when the distance from a wall or product etc is larger than 2m Select an installation location by observing the following precautions Install the unit level Within 3 degrees Install this unit in a
27. 10 Models that use refrigerant R410A have a different charging port thread diameter to prevent erroneous charging with R22 R407C and for safety Therefore check beforehand The charging port thread diameter for R410A is 1 2 UNF 20 threads per inch Be more careful than the installation of the refrigerant other than R410A models not to enter foreign matters oil water etc and other refrigerant into the piping Also when storing the piping securely seal the openings by pinching taping etc 13 13 18 26 26 26 28 31 30 32 34 36 38 42 14 14 14 14 14 14 8 10 10 14 14 14 8 8 10 8 10 14 When charging the refrigerant take into account the slight change in the composi tion of the gas and liquid phases and always charge from the liquid phase side whose composition is stable 2 2 Special tools for R410A 39 41 41 41 41 41 When connecting outdoor units install the outdoor unit with the largest nominal system capacity nearest to the refrigerant pipe and indoor unit followed by those with lesser nominal system capacities Outdoor unit 1 gt Outdoor unit 2 gt Outdoor unit 3 Energy saving combination Pressure is huge and cannot be measured with a conven tional R22 gauge To prevent erroneous mixing of other 8 10 14 16 18 20 22 24 26 28 G ias manifold refr
28. 2 NOTE If the outdoor temperature during cooling operation is expected to be 5 C or less do not install the outdoor unit lower than the indoor unit Please refer to 8 3 2 Checking total amount of refrigerant and calculat ing the amount of refrigerant charge to be added for the total amount of refrigerant 4 2 Pipe selecti This unit is designed specifically for use with the R410A refrigerant Pipes for R407C or R22 may not be used with this unit Do not use existing pipes Improper pipe selection will degrade performance Slave unit1 Master unit Pipe size table A Pipe size First separation Outdoor unit Separation tube table B tube optional branch kit optional i A optional j Pipe size table C Pipe size table D Indoor Indoor Indoor Indoor unit L unit unit unit En 7 4 For the installation method refer to 5 4 Multiple connections Table B first separation tube 22 4 to 28 0 12 70 1 2 Between outdoor unit branch kits or outdoor unit branch kit and 22 22 7 8 28 1 to 45 0 12 70 1 2 28 58 1 1 8 45 1 to 56 0 56 1 to 80 0 15 88 5 8 28 58 1 1 8 80 1 to 96 0 19 05 3 4 34 92 1 3 8 96 1 or more Table C Between separation tubes 15 88 5 8 19 05 3 4
29. 4 9 The allowable current is 1 A or less 7 FIELD SETTING Discharge the static electricity from your body before setting up the DIP switches Never touch the terminals or the patterns on the parts that are mounted on the board 7 1 Field setting switches Remove the service panel of the outdoor unit and the cover of the electrical compo nent box to access the PC board of the outdoor unit PC board switches for various settings and LED indicators are shown in the figure 7 2 DIP switch setting 7 2 1 List of Settings SET3 and SET5 must be set for the DIP switch Configure the settings before turning on the power Settings for SET1 SET2 and SET4 DIP switches are factory default ones Do not change them Forbidden Forbidden Outdoor unit address setting Setting for number of slave units Forbidden Number of outdoor units installed Forbidden Terminal resistor setting 6 oi w LED lamp 7 Segment s LED indicator Mo Y e 7 Eso Rotary switch gt KAKA E pe y I A pe rd LED105 LED104 REF AD a an BB mmm I Y Tr ale rer Seta y S A me SO Swor sms sus SW101 sw102 sw103 sw104 N Push button DIP switch N 7 a FTIR r 5 Fg Ma l i I f Saat i l t N j P Outdoor unit PC board N 7 x Y a 7 2 2 Settin
30. AAIRSTAGE INSTALLATION MANUAL OUTDOOR UNIT For authorized service personnel only AJH072LNLAH AJHO90LNLAH AJH126LNLAH FUJITSU GENERAL LIMITED PART NO 9378945142 INSTALLATION MANUAL PART NO 9378945142 VRF system outdoor unit CONTENTS 1 SAFETY PRECAUTIONS cee ii a 1 2 ABOUT THE UNIT 2 2 1 Precautions for using the R410A refrigerant er 2 2 Special tools for R410A 2 2 3 Accessories 2 2 4 Combinations ES ste 2 2 5 Optional PAS siii senetsetssccneta verse dst ecereress poses tias 3 3 INSTALLATION WORKR 22 2 Ekel 3 3 1 Selecting an installation location ane 3 2 Drain processing aid 3 3 Installation dimensions wed 3 4 Transportation the outdoor unit 5 3 5 Installation the unit sa 0 4 SYSTEM CONFIGURATION 4 1 System configuration 4 2 Pipe selection 4 3 Protection of pies inn ON 8 5 JPIPE INSTALLATION 2 tiros 8 5 1 Brazing 5 2 Indoor unit pipe connections 5 3 Piping method 5 4 Multiple connections 6 ELECTRICAL WIRING 1 The precautions of electrical wiring Wiring method Knockout hole is Selecting power supply cable and breaker Transmission line Wiring procedure ses External input and external Output cece reece eee tee nino 14 DAAAAWIAD NOOKRWN le FIELD SETTING scr 1 Field setting switches DIP switch setting Rotary switch setting Push button s
31. H1 LU Sei ee ee en i i H2 i 1 Fig Haf LU i When installing pip ing from the bottom ll 1 il Allowable pip length actual pipe length un j Between master outdo it and th e f the required space een r ouIgoor uni E 150 m or less are under the outdoor f il farthest indoor unit a e p unit 2 200mm More than Between the first separation tube and the 60 i A Install the branch 200mm farthest indoor unit MOr ESS pP kit horizontally FA Total pipe length 1000 m or less Total Between outdoor unit and outdoor unit 3 branch kit mor less a b En 6 Allowable height difference Wall thickness and pipe material for each diameter 6 35 9 52 12 70 15 88 19 05 22 22 28 58 34 92 41 27 0 8 0 8 0 8 1 0 1 2 1 0 1 0 1 2 1 43 COPPER JIS H3300 C1220T O or equiva lent 1 Allowable tensile stress gt 33 N mm 2 Allowable tensile stress gt 61 N mm 3 Endurance pressure of the pipes 4 2MPa Please select the pipe size in accordance with local rules Table A COPPER JIS H3300 C1220T H or equivalent Between outdoor unit and outdoor unit branch kit 8 22 4 12 70 1 2 22 22 7 8 a UTP DX567A 10 28 0 12 70 1 2 222278 UTR CP567X 14 40 0 12 70 1 2 28 58 1 1 8
32. OFF none 7 MODE seecr erer Ed le jus tel a MODE EXIT button SELECT button ENTER button When system is abnormal Check the settings as there is an error in the settings for outdoor unit address DIP switch SET3 1 2 or number of connected slave units DIP switch SET3 3 4 POWER MODE lamp ERROR lamp ON Blinking error ven ven en RED LED105 LED 7 segment LED indicator display i Sr oma Sms sm 2 Setting method Use the MODE EXIT SELECT and ENTER buttons to configure settings accord ing to the procedures below If no setting is made the factory default setting will be displayed Press the MODE EXIT button Press the SELECT button Press the ENTER button Press the ENTER button for more than 3 seconds 1 FUNCTION Setting First 2 digits Last 2 digits MODE EXIT Y 7 N 7 segment LED indicator LED105 LED104 When F3 to F9 are displayed continue to press l I l I I I 1 l I I Fl Flashing i 1 if I I i 1 l the SELECT button until F2 is displayed i I 2 Setting the first 2 digits SELECT Y Every press of the SELECT button will change the setting number for the first 2 digits Teal Cl C3 e
33. R BP567X 56 1 or more When installing the outdoor unit pay attention to the following items Provide sufficient installation space such as transportation route maintenance space ventilation space refrigerant piping space and passageways 2 5 3 Header E Pay attention to the specifications of the installation space as shown in the figure i If the unit is not installed according to specifications it may cause short circuit or poor performance The unit may be prone to lapse into non operation due to high UTR HO906L UTR HO908L 28 0 or less pressure protection UTR H1806L UTR H1808L 28 1 to 56 0 Do not place obstructions in the air flow outlet direction If there is an obstruction in the outlet direction install an outlet duct When there is a wall in front of the unit provide a space of 500mm or more as 3 IN LLATION WORK maintenance space When there is a wall at the left side of the unit provide a space of 30mm or more Please obtain the approval of the customer when selecting the location of installation as maintenance space and installing the main unit An outdoor temperature of 35 degrees in air conditioned operation is assumed for F 5 the installation space in this item If the outdoor temperature exceeds 35 degrees Selecting an allation location and the outdoor unit is operating at a load exceeding its rated ability provide a larger inlet space If
34. RA Press the ENTER button Y for more than 3 seconds RN l i l ae ruja i gt O SS i I Y The number of indoor units with normal set 1 m tings will be displayed at the first 2 digits of H 5 Li i the 7 segment LED indicator The number Of indoor units with error will be displayed ENTER at the last 2 digits Y i Th te Trt NOTE After the ENTER button is 1 t E g pressed the end processing will occur for I Ar about 30 seconds During this period the Bo y 7 segment will blink Y End 7 7 Resistance measurement of transmission cable Measure with breaker OFF Do not turn on the power if the resistance between the terminals of the transmis sion cable is abnormal Otherwise the circuit board may be damaged Measure the resistance between 2 terminals of a transmission cable 1 Transmission cable connecting indoor units outdoor units and signal amplifiers Measure the resistance of the signal amplifier terminal and the terminal of the indoor and outdoor units connected farthest away from the device where terminal resistor is measured A value from the table is displayed depending on the distance from the signal amplifier and the device where the terminal resistor is set This value is an estimate 2 Transmission cable connecting outdoor units in a refrigerant system The resistance between the terminals of the transmission cable is 45 600 This value is an estimate Distance from
35. Set the ones digit and tens digit of the No of the electricity meter pulse setting ping operation when they are covered by snow connected to CN135 Interval setting Standard 30 minutes 0 0 o for snow falling Short 1 5 minutes 2 3 0 1 5 protection fan Short 2 10 minutes 0 2 mode 1 Short 3 20 minutes 0 3 When the snow falling protection fan mode is set the operation interval of the fans of outdoor units can be selected En 17 Setting number 00xx 0 0 o Setting number 01xx 0 1 Electricity meter 7 7 3 pulse setting 2 3 73 Setting number 98xx 9 8 Setting number 99xx 9 9 Set the hundreds digit and thousands digit of the electricity meter pulse setting connected to CN135 Forbidden 9 0 0 0 o 90 1 Do not set this for outdoor units with Slave setting 2 When electricity meter No is set to 000 and 201 to 299 the pulses input to CN135 become ineffective Available setting number is 001 to 200 3 When the electricity meter pulse setting is set to 0000 the pulses input to CN135 become ineffective Available setting number is 0001 to 9999 1 Turn on the power of the outdoor unit and enter standby mode When system is normal POWER MODE lamp lights up ERROR lamp is off POWER MODE lamp ERROR lamp OFF ON eno Leon RD 7 segment LED indicator
36. Wall remote control cable at least 1 meter away from a television or radio a Wall The purpose of this is to prevent TV reception interference or radio noise Even if i g g E they are installed more than 1 meter apart you could still receive noise under some Fig 2 Single installation signal conditions lt Top view gt Keep the length of the piping of the indoor and outdoor units within the allowable lt Rear gt _ygt2 range For maintenance purposes do not bury the piping lt Front gt Li 3 2 Drain processing The drain water is discharged from the bottom of the equipment Construct a drain ditch around the base and discharge the drain water properly When installing on a roof perform floor waterproofing properly 30mm or more 10mm or more Drain processing En 3 Fig 3 Multiple installations lt Top view gt L2 lt Rear gt L1 lt Front gt 30mm or 20mm or 20mm or 10mm or more more more more 2 Concentrated installation Provide installation spaces L3 L4 and L5 in accordance with the table below ac cording to the wall height front side rear side conditions Provide installation spaces other than L3 L4 and L5 in accordance with the condi tions shown in the figure below Ventilation resistance can be ignorable when the distance from a wall or product etc is larger than 2m Wall height condition Necessary installation space
37. ables without applying excessive tension Cable routing Secure with a cable tie as shown in the figure below Connecting the power supply cable Cable tie Accessory gt 7 Connecting the transmission cable Cable guide Power supply cable routing Of Cable clip Cable tie Accessory Transmission cable routing J l O O Tighten the cable tie firmly so that pulling force does not propagate to the terminal connection even if force of 100N is applied to the cable Connecting cables to the terminals AX WARNING Use ring terminals and tighten the terminal screws to the specified torques other wise abnormal overheating may be produced and possibly cause heavy damage inside the unit Be sure fill the holes of power supply cable and transmission cable with putty field supply If small animals such as insects enter the electrical component box a short circuit may be caused Tightening torque M3 screw 0 5 to 0 6 N m 5 to 6 kgf cm M8 screw 5 0 to 7 0 N m 50 to 70 kgf cm 1 Connecting the power supply cable Caution when wiring cable 1 Use crimp type terminals with insulating sleeves as shown in the figure to con nect to the terminal
38. ain breaker and main power supply cable when connecting multiple outdoor units Main breaker Main breaker 2 Total Sub breaker Refer to the table in item 1 for the sub breaker capacity Fig In case of connected 3 outdoor unit GOOD AT mm oon se WPT y y breaker Main A breaker u A hA HH HH 400 V 30 50 Hz Outdoor unit power supply cable 3 Example of bad breaker wiring PROHIBITED WI ern aan 400 V 39 50 Hz Y I i Outdoor unit Breaker Power supply cable PROHIBITED install a PROHIBITED crossover breaker for each outdoor unit power supply wiring prohibited 6 5 Transmission line Caution when wiring cable When stripping off the coating of lead wire always use the exclusive tool such as a wire stripper If there is no exclusive tool available necessarily carefully strip the coating by a cutter etc so that the conductive wire is not damaged If it is damaged it may lead to an open circuit and a communication error Pay attention to the following points while attaching wires on the terminal board Do not attach 2 wires on one side Do not twist wires Do not cross the wires Do not shorted at edge at root 2pcs at one side Wires twisted 1 wire PROHIBITED GOOD Shorted at
39. block 2 Securely clamp the crimp type terminals to the cables using an appropriate tool so that the cables do not come loose 3 Use the specified cables connect them securely and fasten them so that there is no stress placed on the terminals 4 Use an appropriate screwdriver to tighten the terminal screws Do not use a screwdriver that is too small otherwise the screw heads may be damaged and prevent the screws from being properly tightened 5 Do not tighten the terminal screws too much otherwise the screws may break 6 See the table for the terminal screw tightening torques A oO Screw with special washer Ring terminal Strip 10 mm Screw with Cable special washer Ring terminal L Ring terminal za Wii Terminal block Cable Ring terminal M8 Earth Ground cable daa Te DIOIOIOI Cable clamp lej e ET 90 to 100 mm 70 to 80 mm Use a ring terminal to connect the electric cables to the power supply terminal board 2 Connecting the transmission cable Sealing transmission cable Connect both ends of the sealed wires of the transmission cable to the earth terminal of the equipment or to the earth screw near the terminal Be very careful that the screws are not overly tightened as the wires may snap and the terminal may be damaged Wind with insulation tape to p
40. ch and remove the pinch pipe 5 3 3 Pipe connection Seal the pipe route hole with putty field supply such that there are no gaps Small insects or animals that are trapped in the outdoor unit may cause a short circuit in the electrical component box To prevent pipe damage do not make sharp bends Bend the pipe at a radius of 70mm or greater Do not bent pipe many times at same part to prevent break After completing all the pipe connection by brazing perform the indoor unit pipe con nection with a flare joint When removing the pinch pipe or brazing the joint pipe carry out the work while cooling down the 3 way valve sufficiently Braze the joint pipe onto the 3 way valves at the liquid and gas side Install the joint pipe appropriately so that it can be connected easily with the main pipe Braze the joint pipe at the liquid and gas side with the main pipe When installing the strainer please install it in the following way Braze the strainer onto the gas pipe During the installation make sure that the arrow on the strainer is directed towards the product If the strainer is installed in the wrong direction the mesh may be damaged Fig A Be sure to supply nitrogen when brazing Fig A Joint pipe Accessory joint pipe Field supply Knockout hole Gas pipe Liquid pipe Field supply Field supply Strainer a Accessory To indoor unit Q Fig B Joint pipe joint pipe
41. check the following items l r i Is there a gas leakage At pipe connections flange connections and brazed 1 PLENTER 1 areas l Press the ENTER button Press the ENTER button i Is the system charged with the specified volume of refrigerant poy Y for more than 3 seconds Y for more than 3 seconds 1 Is the refrigerant circuit address correct A a A ala i Th Il be dis Th Il be dis Isa breaker installed at the power supply cable of every outdoor unit i i d aA E played nen ihe d on E played ras Ge i Are the cables connected to the terminals without looseness and in accordance with 1 cooling operation heating operation the specifications i Y mode is canceled Y mode is canceled i Are the initial settings of the switches of the outdoor unit correctly configured 1 Neal rt This will b NI This will b 1 Isthe 3 way valve of the outdoor unit open gas pipe and liquid pipe g displayed ie Gi2 displayed Siter Is power supplied to the crank case heater for more than 12 hours Electricity Le T 5 seconds TEN 5 seconds 1 current in short period of time may result in compressor damage foul 1 Are all the indoor units within the same coolant system connected to the power a ts E Operating indoor units which are not connected to the power may result in mal i MODEJEXIT or ENTER functions After checking that the above items are all in order refer to 9 2 Test Y y operation me
42. control cable Seal the wiring route hole with putty field supply such that there are no gaps together Separate these cable by 50 mm or more Bundling these cables together Small insects or animals that are trapped in the outdoor unit may cause a short circuit will cause miss operation or breakdown in the electrical component box Always keep to the maximum length of the transmission cable Exceeding the maxi Be careful not to deform or scratch the panel while opening the knockout holes mum length may lead to erroneous operation After opening the knockout hole remove the burr on the edges to prevent snapping of cables It is recommended to apply rust proof paint on the edges to prevent rust The static electricity that is charged to the human body can damage the control PC board when handling the control PC board for address setting etc Please keep caution to the following points Provide the earthing grounding of Indoor unit Outdoor unit and Option equipment E Electric wires can be connected from the front or from the left Cut off the power supply breaker Knockout holes are prepared so that wiring can be made from 2 different directions Touch the metal section such as the unpainted control box section of the indoor or Use the knockout holes on the front and the left separately when necessary outdoor unit for more than 10 seconds Discharge the static electricity in your body Never touch the compone
43. displayed Press the ENTER button for more than 3 seconds Setting is complete when the number of units is displayed se t 0 LS AIN Y End 7 6 Indoor unit address setting 7 6 1 Indoor unit address setting Address must be set for the indoor unit Manual setting When setting with the switch inside the indoor unit refer to the indoor unit installation manual When setting with a remote controller refer to the remote controller installation manual Automatic setting Check that the wiring is as shown in the figure below Operate using the master outdoor unit of each refrigerant system En 19 Fig Wiring example for automatic address setting 1 Signal amplifier wiring example 2 3 4 Indoor unit wiring example Connect the indoor and outdoor units of the same refrigerant system as shown below Refrigerant system 1 Signal amplifier i 1 l Am Br Fe t Master unit Refrigerant system24 ESE Ti lr ee 7 11 28 6 NOTE The automatic address function can be used for a maximum of 41 indoor units installed to the same refrigerant system When network is connected to other refrigerant systems the automatic address function cannot be used The addresses of indoor units that have been configured au
44. door unit 4 To outdoor unit I DI 0 5 m or more AAA o gt To outdoor unit 4 To outdoor unit To indoor unit To main pipe 0 5 m or more J Y To outdoor gt unit Leave the distance 0 5 m or more for straight part to outdoor unit branch kit 3 For details refer to the Installation Instruction Sheet of the outdoor unit branch kit Fig Examples of multiple unit installation Example 3 Example 1 Master unit Slave unit1 Slave unit2 an Master unit i Example 2 Slave Master unit Slave unit1 Slave unit2 unt Slave unit2 Z CAUTION To prevent the oil from settling in the stopped unit install the pipes between the outdoor units so that they are level or are tilted upward to the outdoor units 1 Examples of multiple unit installation are shown below a Installable patterns Master Slave Slave GOOD unit unit 1 unit 2 To indoor unit eaha Master Slave Slave en unit unit 1 unit 2 To indoor unit lt er Slave ave i GOOD Master uniti unit 2 unit FH To indoor unit lt b Non installable patterns
45. e A ee SELECT T I l I 1 1 I l i 1 j l l l 1 MODE EXIT i l l E l 13 i I l l l l I l A LI N MODE EXIT dl sia m r o r ra E 121518 4 NO HE O ZINN 4 3 Setting the last 2 digits I I i Continue to press the SELECT button 1 until the desired number appears at the last 2 digits f N 7 N jajo oja ala on N 4 SELECT cl cl ea IM Ci C3 Setting is complete when the lamp lights up Press ENTER button to return to 2 Setting the first 2 digits If there is no operation for 5 seconds after the setting the indicator will return to 2 Setting the first 2 digits SELECT Continue to press the SELECT button until the desired number appears at the last 2 digits Y s 7 IN 1 1 1 1 1 1 1 1 1 A armaj a l 4 ial i 1 i 1 1 1 1 1 l Setting is complete when the lamp lights up Press ENTER button to return to 2 Setting the first 2 digits If there is no operation for 5 seconds i after the setting the indicator will return to 2 Setting the first 2 digits EXIT Press the MODE EXIT button to cancel the setting mode En 18 7 5 Signal amplifier address setting
46. e rotary switch REF AD as shown in the table below Refrigerant circuit address example 63 REF AD x 10 REF AD x 1 Rotary Switch REF ADx1 Factory setting 0 Rotary Switch REF ADx10 Factory setting 0 En 16 7 4 Push button setting Standard oj 0 5 High static pressure 1 0 4 Various functions can be set when necessary High static pressure equivalent to 30Pa Perform settings after all indoor units have stopped operation mode High static pressure 2 24 j Table A List of Settings 24 equivalent to 80Pa Forbidden 0 3 7 segment LED indicator Fact When installing a duct to the blow off outlet of an outdoor unit set the high static No Setting Item First 2 El a pressure mode according to the static pressure of the duct to be installed digits Last 2 digits setting Furthermore use this setting if the air blow of an outdoor unit is poor such as when 9
47. etting Signal amplifier address setting i Indoor unit address Sating Resistance measurement of transmission cable Measure with breaker OFF scceseeceecssseseeeseseeseeeteeeeeeeeeseeeeeseenesaeeneeae 20 pl SN NOORWN 8 PIPE INSTALLATION ll os 20 8 1 Sealing test 8 2 Vacuum process 8 3 Additional charging 8 4 Installing insulation 9 1 Pre test run check items 9 2 Test operation method 9 3 Checklist 10 LED Status 10 1 Normal operation mode er 11 29 To install a unit that uses the R410A refrigerant use dedicated tools and piping materials that have been manufactured specifically for R410A use Because the pressure of the R410A refrigerant is approximately 1 6 times higher han the R22 failure to use dedicated piping material or improper installation can cause rupture or injury It will also cause serious accidents such as refrigerant leakage water leakage electric shock and fire Do not use this equipment with air or any other unspecified refrigerant in the refrig erant lines Excess pressure can cause a rupture Be sure to install the unit as prescribed so that it can withstand earthquakes and yphoons or other strong winds mproper installation can cause the unit to topple or fall or other accidents Ensure that the outdoor unit is securely installed at a place that can withstand the weight of the unit Improper installation
48. failure Besides please do not turn off power during the busy season Cable tie For binding power cable and transmission cable Children should be monitored to ensure they do not play with the device This product is not intended to be used by people including children with physical sensory or mental disability or persons lacking experience or knowledge unless they have been given by the through a person responsible for their safety supervi sion or instruction concerning the use of the device For connecting gas pipe ASA EA 2 4 Combinations 2 1 Precautions for using the R410A refrigerant A maximum of 3 outdoor units can be connected to 1 refrigerant system The combination of outdoor units per refrigerant system and the number of indoor units Pay careful attention to the following points that can be connected are as follows Since the working pressure is 1 6 times higher than that of R22 models some of the piping and installation and service tools are special See the table in the SPECIAL TOOLS FOR R410A section AJHO72LNLAH 8 Especially when replacing a conventional refrigerant other than R410A model E AJHO9OLNLAH 10 with a new refrigerant R410A model always replace the conventional piping and AJH126LNLAH 14 flare nuts with the R410A piping and flare nuts Installation space combination 8 10 14 16 18 20 22 24 8 10 14 8 10 10 14 14 8 8 10 8
49. gerant cylinder valve so that the refrigerant will flow in certain part at a time 8 3 2 Checking total amount of refrigerant and calculat ing the amount of refrigerant charge to be added The amount of refrigerant charge to be added is the total value of the basic refrig erant charge amount and the value calculated from the length of the liquid pipe Round up the value to 2 decimal places AJHO72LNLAH 8HP 11 20 0 AJHO90LNLAH 10HP 11 20 0 AJH126LNLAH 14HP 11 80 3 30 Total length of Total length 812 70 mm liquid of 89 52 mm pipe b x 0 114 liquid pipe b x 0 058 4 kg m kg m m kg kg Total length of Total 06 35 mm b liquid pipe x 0 021 kg m m kg kg 3 Calculation of additional charge refrigerant C A B Round up C to 2 decimal place kg 4 Calculation of factory charged amount d d Outdoor unit1 Outdoor unit2 factory charged amount factory charged amount kg kg Total d Outdoor unit3 factory charged amount kg kg 5 Total refrigerant amount check E C D kg Note Check the total refrigerant amount under the following conditions For 1 outdoor unit per refrigerant system ES 31 5kg Total amount of refrigerant lt 31 5kg For 2 outdoor units per refrigerant system E lt 63k Total amount of refrigerant l
50. gs to be configured locally 1 Outdoor unit address setting When 2 or 3 outdoor units are installed to 1 refrigerant system set the address for each outdoor unit Set the address for all outdoor units Master unit Factory setting Slave unit 1 Slave unit 2 Forbidden 2 Number of slave units setting for outdoor unit Set the number of slave units connected to 1 refrigerant system Set only the master unit Master unit only Factory setting 1 slave unit connected 2 slave unit connected Forbidden 3 Number of outdoor units installed The number of outdoor units installed in 1 refrigerant system must be set Set for all outdoor units Factory setting Forbidden 7 2 3 Terminal resistor setting Be sure to set the terminal resistor according to specifications Set the terminal resistor for every network segment NS If terminal resistor is set in multiple devices the overall communication system may be damaged If terminal resistor is not set in a device abnormal communication may occur Be sure to set 1 terminal resistor in a network segment You can set the terminal resistor at the outdoor unit or signal amplifier When setting the terminal resistor of a signal amplifier refer to the installation manual of the signal amplifier When setting multiple terminal resistors take note of the following items How many network segments
51. igerants the diameter of each port has been changed zu 7 im 8 10 10 9 It is recommended to use a gauge manifold with a high AAA AAA A A 80118110 pressure display range 0 1 to 5 3 MPa and a low pressure 8 8 8 display range 0 1 to 3 8 MPa To increase pressure resistance the hose material and base size were changed Charging hose Means that the energy saving combination is unavailable When connecting outdoor units install the outdoor unit with the largest nominal system capacity nearest to the refrigerant pipe and indoor unit followed by those with lesser nominal system capacities Outdoor unit 1 gt Outdoor unit 2 gt Outdoor unit 3 En 2 When you want to prevent the drain water from leaking at the perimeter construct a ditch for the drain water as shown in the figure E The drain water from the base of the outdoor unit may generate during operations 2 5 Optional parts Perform drain processing as necessary Provide a central drain pan as necessary 3 The following parts are optional parts specific to R410A refrigerant Outdoor unit Do not use parts other than those listed below un or 2 5 1 Outdoor unit branch kit 5 UTP CX567A UTR CP567X ALL 10mm or more 2 5 2 Separation tube 3 3 Installation dimensions UTP AX090A UTR BP090X 28 0 or less UTP AX180A UTR BP180X 28 1 to 56 0 UTP AX567A UT
52. installed in a place with a low ceiling Standard 40 to 65 m 0 0 o 25 Forbidden 2 5 0 0 e Short less than 40 m 0 1 26 Forbidden 2 6 0 0 e Pipe length set a ting 1 Medium 65 to 90 m ojojoj 2 Forbidden 2 7 01 0 00 27 Long 1 90 to 120 m 0 3 Forbidden 2 8 0 0 o 28 Long 2 120 to 150 m 0 4 Forbidden 2 9 0 0 o Pipe length means the length between master outdoor unit and the nearest 29 indoor unit Level 1 stop 0 0 o Normal 0 0 o Level 2 ied eae evel 2 operated a b Sequential start 21 sec Delay 4 o 0 1 capacity 0 1 shift 1 42 sec Delay 0 2 g Level 3 operated at 60 10 63 sec Delay 0 3 Energy saving capacity 3 0 2 2 ar A level setting 1 The start up timing of outdoor unit compressor can be set up so that it can Level 4 operated at 80 delay several seconds 30 OP e 0 3 This feature is useful when multiple number of outdoor units are installed and capacity turned on at the same time to limit the starting current Level 5 operated at 100 0 4 Normal mode 0 0 o capacity Save energy mode 0 1 The capacity limit can be selected by the external input terminal CN133 when Cooling capacity High power mode 1 1 1410 2 operating with the Energy Saving Peak Cut function 11 shift 1 A The lower the level the more the effect of energy saving but the cooling heating High power mode 2 0 3 e performance will also drop Forbidden 0 4 Set this item when necessary Capacity priority Off q
53. ipes to corrode In addition if the flux contains fluoride it will affect the refrigerant piping system due to deterioration of refrigerant oil For brazing material use phosphor copper that does not require flux 5 2 Indoor unit pipe connections A For details refer to the Installation Instruction Sheet of each part Bt Vertical or B 4 A Separation tube Horizontal B Ak I SE 15 C gt Horizontal line GOOD 4 e SS PROHIBITED A Outdoor unit or Refrigerant branch kit B Indoor unit or Refrigerant branch kit Header Gas pipe Horizontal line Bi Horizontal om line Outdoor c unit side gt sl is don VIEW C Vertical line Liquid pipe Outdoor p unit side gt H 0 to 10 mm a1 0 to 1 B1 10 to 10 H 0 to 10 mm a2 0 to 1 B2 10 to 10 PROHIBITED PROHIBITED Do not connect a separation tube after a header Leave the distance 0 5 m or more for straight part to branch tube and header Main pipe 0 5mormore Separation tube p To indoor a DD unit To indoor unit or Header Main pipe 0 5 m or To indoor unit A d To indoor unit 0 5 mor more Separation tube To indoor J Do gt int P or Heade 0 5 m or more E Tr To indoor unit 5 3 Piping method 5 3 1 Opening the knockout hole Be careful to
54. mineral oil or containing a large amount of splashed oil or steam such as a kitchen A conventional R22 vacuum pump can be used by install ing a vacuum pump adapter It will deteriorate plastic parts causing the parts to fall or the unit to leak A conventional vacuum pump can be used by installing a water Vacuum pump vacuum pump adapter Area that generates substances that adversely affect the equipment such as Be sure that the pump oil does not back flow into the sys sulfuric gas chlorine gas acid or alkali tem Use one capable for vacuum suction of 100 7kPa 5 It will cause the copper pipes and brazed joints to corrode which can cause Ton 755mmHg refrigerant leakage Area containing equipment that generates electromagnetic interference Gas leakage detec Special gas leakage detector for HFC refrigerant R410A It will cause the control system to malfunction preventing the unit from oper tor ating normally Area that can cause combustible gas to leak contains suspended carbon r fibers or flammable dust or volatile inflammables such as paint thinner or 2 3 Accessories gasoline If gas leaks and settles around the unit it can cause a fire Use connecting parts as required Avoid installing the unit at places where it will come into contact with animals Do not throw away the connecting parts until the installation has been complete urine or ammonia The units are n
55. nt terminal or pattern on the PC board En 11 50 Unit mm 6 4 Selecting power supply cable and breaker Obtain the distribution network operator s agreement about the power capacity of the power supply system specification of the cable and the harmonic current and etc when you connect the outdoor unit with the power supply Regulation of wire size and circuit breaker differs from each locality please refer in accordance with local rules Refer to the table for the wiring and breaker specifications of each installation condition 1 Selecting power supply cable and breaker when connecting 1 outdoor unit AJHO72LNLAH 30 AJHO90LNLAH 30 ums 0 1sec or less AJH126LNLAH 50 AJHO72LNLAH 4 4 30 AJHO90LNLAH 4 4 30 AJH126LNLAH 10 6 42 1 These values are recommended data 2 Specification Use conformed cord with Type 60245 IEC66 3 Max wire length Set a length so that the voltage drop is less than 2 Increase the wire diameter when the wire length is long Fig In case of connected outdoor unit Transmission cable 230 V 18 50 Hz c Indoor unit 7 Power supply cable GOOD eam 400 V 39 50 Hz Breaker l Breaker an al op sl E e al Outdoor unit l a Power supply cable F Remote controller cable 2 Selecting m
56. on must be satisfied Condition E C D lt 94 5 kg Calculation 22 63 kg 34 2 kg 56 83 kg lt 94 5 kg No problem if the above condition is satisfied Perform test operation for each refrigerant system You can set cooling test run or heating test run with the push button on the outdoor unit PC board 8 4 Installing insulation Install insulation material after conducting the 8 1 Sealing Test To prevent condensation and water droplets install insulation material on the refriger ant pipe Refer to the table to determine the thickness of the insulation material If the outdoor unit is installed at a level that is higher than the indoor unit the water that has condensed in the 3 way valve of the outdoor unit could travel to the indoor unit Therefore use putty in the space between the pipe and the insulation to prevent the entry of water Test operation setting method Use the MODE EXIT SELECT and ENTER buttons on the outdoor unit PC board to configure settings according to the procedures below FUNCTION settings First 2 digits Last 2 digits Insulation When F4 to F9 are displayed continue to press the SELECT button until F3 is displayed Table Selection of insulation A dr A AN Se
57. oor unit Touch al Panel When AB BC BD gt 500 m a Controller Signal Amplifier is required Fig 2 7 Outdoor unit NS 1 Indoor unit cl E E aag Terminal resistor M N P Gl lel lel Ell U Ell G Transmission line Touch H J Panel AA AAA eae Controller Ko j Signal Amplifier NS 2 System L Controller 5 a 1G a a Terminal resistor NOTE Unit means indoor unit outdoor unit Touch Panel Controller and System Controller Signal Amplifier single split adaptor Network Convertor etc Do not use loop wiring This may lead to parts damage and erroneous operation 6 5 3 Enabling Disabling automatic address setting You can enable disable automatic address setting for the indoor unit and the signal amplifier To enable automatic address setting for the indoor unit connect the indoor unit to outdoor units under the same refrigerant system Fig 4 Example Disable Automatic Address setting Transmission line Refrigerant system 1 Refrigerant system 2 A ee nee ee et ee 4 enon ling Refrigerant de da da system 3 Refrigerant system 1 Transmission line Refrigerant system 2 Refrigerant system 3 En 13 6 6 Wiring procedure Remove the cover of the electrical compartment and follow the terminal plate to con nect the electric cables to the terminal After connecting the cables secure them with the cable ties Connect the c
58. or more or more or more Fig 13 lt Top view gt 400mm or more 500mm or more 1000mm or more Y Ea la 1000mm 400mm 400mm or more or more or more En 5 3 3 3 When there are obstacles above the product When there are obstacles above the product keep the minimum installation height as shown in the figure and install the outlet duct When installing the outlet duct you must set the high static pressure mode with the push button switch Outlet duct Similar when installing anti snow hood 500mm Setting high static pressure mode or more Follow the instructions in the table below to set the high static pressure mode High static pressure mode setting Condition Set to Mode 1 Static Pressure SP 1 0 lt SP lt 30 Pa Static Pressure SP 30 lt SP lt 80 Pa Set to Mode 2 1 Static pressure is the air flow resistance that includes the discharge duct resistance amp the other additional resistance like discharge grill and so on 2 Refer to the section on Push Switch Setting in Chapter 7 Field Setting 3 4 Transportation the outdoor unit Product mass kg AJHO72LNLAH 220 AJHO90LNLAH 220 AJH126LNLAH 303 Hoisting method When hanging the outdoor unit and conveying it to installation location hang the unit with rope by passing through the
59. ot explosion proof and therefore should not be installed in explosive atmosphere Specifications Do not use the unit for special purposes such as storing food raising animals manual growing plants or preserving precision devices or art objects It can degrade the quality of the preserved or stored objects Ground the unit Do not connect the ground wire to a gas pipe water pipe lightning rod or a telephone ground wire Improper grounding may cause electric shock Installation This book manual Perform draining for the unit according to the Installation manual Check that the water is properly drained If the drain processing is improperly installed water may drip down from the unit wetting the furniture Do not touch the fins with bare hands yoint pipe A For connecting gas pipe E Straight type Be sure not to start or stop the operation of air conditioning with power breaker gt Otherwise it may cause malfunction or water leakage When setting it up near the equipment that generates electromagnetic waves and E Joint pipe B For connecting gas pipe the equipment that generates the higher harmonics wave be sure to take measures L type against noise Otherwise it may cause malfunction or failure When energizing to the crankcase heater please turn on the power 12 hours or ED earlier before operation begins When the energizing time is short it may cause
60. ount of refrigerant Adding more refrigerant than the specified amount will cause a malfunction Charge refrigerant using the liquid pipe Adding refrigerant through the gas pipe will cause a malfunction Add refrigerant by charging the system with the refrigerant in the liquid state If the refrigerant cylinder is equipped with a siphon it is not necessary to place the cylinder upright 8 3 1 Procedure for charging the system with refrigerant 1 Remove the charging cap from the liquid pipe Use standard refrigeration prac tices when charging refrigerant 2 Attach a charging hose to the refrigerant cylinder and connect it to the charging port 3 Add refrigerant by calculating the additional refrigerant volume in accordance with the calculation formula indicated below Remove the charging cap and install the charging hose Remove the body caps gas pipe and liquid pipe and open the valves Close the body caps After adding refrigerant indicate the added charging volume on the unit Tighten the body caps and charging caps to the torque values specified in the Table A To open and close the valves Use an M4 hexagon wrench for liquid pipe Use an M10 hexagon wrench for gas pipe If you can not charge the specified amount of refrigerant with the above method be sure to charge the refrigerant through the gas pipe while operat ing in cooling mode In order to prevent liquid back flow carefully operate the refri
61. ous gas Use a wall hole pipe Otherwise it may cause a short circuit Do not place the outdoor unit near the handrail of the balcony Children may climb onto the outdoor unit lean over the handrail and fall over Use only a specified power cable Poor connection poor insulation and exceeding the allowable current will lead to electric shock and fire Attach the connecting cables securely to the terminal Or secure it firmly with a wir ing suppressor Loose connection will lead to malfunction electric shock and fire Install a breaker to cut off all AC main current at the same time If you do not install a breaker it may cause electric shock and fire During installation make sure that the refrigerant pipe is attached firmly before you run the compressor Do not operate the compressor under the condition of refrigerant piping not attached properly with 2 way or 3 way valve open This may cause abnormal pres sure in the refrigeration cycle that leads to rupture and even injury During the pump down operation make sure that the compressor is turned off before you remove the refrigerant piping Do not remove the connection pipe while the compressor is in operation with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury If there is a possibility of touching the fan during maintenance make sure to turn OFF the power before im
62. perature and wet bulb tem perature under standard cooling heating condition 16 Condition of max cooling Dry bulb temperature and wet bulb tem perature at maximum electric current and input 17 Manufacture year Manufacture year 18 Origin Origin country 19 Manufacturer Manufacturer FUJITSU GENERAL LIMITED Address 1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan En 24
63. plementing the maintenance Even if operations are suspended the fan of outdoor unit sometimes rotates so if the fan rotates suddenly while in contact with you may cause serious injury 10 2 A A AO NE TOA ETEA AE OI EEA 11 INFORMATION ccoo liarla saldos 24 1 SAFETY PRECAUTIONS Be sure to read this Installation manual thoroughly before installation The warnings and precautions indicated in this Installation manual contain impor tant information pertaining to your safety Be sure to observe them After installing the unit perform a test run to make sure the unit operates normally Then explain to the customer how to operate and maintain the unit e Please pass this Installation manual together with the Operating manual to the cus tomer Please ask the customer to keep the Operating manual and Installation manual at hand for future reference during the moving or repair of the main unit This mark indicates procedures which if improperly performed might lead to the death or serious injury of the user Z WARNING For installation purposes be sure to use the parts supplied by the manufacturer or other prescribed parts Using non specified parts will cause serious accidents such as falling unit refriger ant leakage water leakage electric shock and fire En 1 This mark indicates procedures which if improperly performed might possibly result in personal harm to the user or damage to property
64. prevent panel deformation or damaged while opening the knockout hole To prevent cutting of the wiring after the knockout hole was opened remove the burrs along the edge In addition to prevent rusting painting the edge with rust preventive paint is recom mended The piping can be connected from 2 directions the front or the bottom Knockout holes are provided so that the piping can be connected from 2 different directions Use the front knockout hole as required Fig A Knockout position En 8 Fig B Detail of knockout position bottom Unit mm Knockout hole Fig C Detail of knockout position front Unit mm Ob O Knockout al el hole ole as 73 125 Lal a gt 43 199 5 3 2 Removing the pinch pipe Remove the pinch pipe only when the internal gas is completely drained as shown on the below instructions If gas still remains inside the piping may crack if you melt the brazing filler metal of the junction area with a burner Before connecting the piping remove the pinch pipe in accordance with the following instructions 1 Verify that the liquid side and gas side 3 way valves are closed 3 way valve 2 Cut the end of the liquid side and gas side pinch pipe and vent the gas inside the pinch pipe End of pinch pipe En 9 3 After all the gas is vented melt the brazing filler metal on connecting part using a tor
65. revent short circuit Connect both ends of sealed cable to earth Use one side of the twisted pair cable Be sure to use one side of a twisted pair cable when using transmission cable with 2 sets of twisted pair cables 8 to 10 mm 40 mm or more Cable tie Accessory 6 7 External input and external output 6 7 1 Terminal position BASE HEATER EXT OUT 1 8XT 0UT 2 Output 2 CN137 Blue CN136N CN137 BLUE Input 4 CN134 Red Output 1 Input 3 CN133 White Base heater aa CN115 Black CN136 Black ON133 CN134 RED EXT IN 3 EXT IN4 Input 2 CN132 Green Input 1 g CN131 Yellow E 1 DE y E o 0 o mal LE I ef i g Input 5 E i CN135 Orange El lo gt Outdoor unit PC board A CAUTION Do not bundle the cable for base heater with other cables Example In case of Outdoor unit 1 Insert the connector to CN136 Black and CN137 Blue of control PC board 2 Fix it to the wire with the attached cable tie _ Clam E CN136 E Black gt CN115 Black CN137 coll Clamp q O Cable tie Accessory Wire Do not clamp the base heater cable
66. ror Outdoor unit current sensor 1 error permanent stop Outdoor unit discharge pressure sensor error door unit suction pressure sensor error Outdoor unit high pressure switch 1 error mimimi mi mi mi m m eel ea er EEE i 2a S sl ss 2 Outdoor unit high pressure switch 2 error En 23 11 INFORMATION Main contents of label Item 1 Model name Model name 2 Serial number Serial number 3 Electric characteristics Phase rated voltage and frequency 4 Weight Product weight 5 Capacity Cooling heating capacity under cooling heating condition refer to item 15 6 Current Electric current during cooling heating operation under cooling heating condition refer to item 15 7 Input power Input during cooling heating operation under cooling heating condition refer to item 15 8 Max Current Maximum electric current temperature condition is max cooling condition refer to item 16 9 Air circulation Air circulation 10 Noise level Noise level 11 Refrigerant Refrigerant type and initial charging amount 12 Max pressure HP LP Means pressure of High Pressure side Low Pressure side 13 Protection Protection level against dust and water 14 Working temperature Working temperature 15 Condition of cooling heating Dry bulb tem
67. s ha IU Y Bottom view f Allowable pip length actual pipe length Between master outdoor unit and the 150 m or less atf E farthest indoor unit atp 80 N N 7 7 80 Between the first separation tube and the 60 m or less f pg EB farthest indoor unit P Table A Total pipe length 700 m or less Total Allowable height difference AJHO72LNLAH 610 930 Between outdoor unit and indoor unit When 50 m or less indoor unit is installed below ba AJHO9OLNLAH 610 930 Between outdoor unit and indoor unit When ac 40 mor less AJH126LNLAH 920 1240 outdoor unit is installed below Between indoor units 15 m or less H2 H3 To minimize vibration do not install the outdoor unit directly on the ground i Instead install it on top of a firm platform such as concrete block Fig B Total refrigerant amount 31 5 kg or less The foundation base should be able to support the product and the foot width of the product should be more than 46 5mm B In case of 2 outdoor units connected Depending on the installation condition vibration during the operation of the unit E Fig B may cause noise and vibration 0 U 2 Install vibration proofing materials such as rubber pads E Slave ee A 0 U 1 I paola the removal space of the connection piping when installing the founda O U Outdoor unit gt LU Ind it Secure the equipment firmly with anchor bolts washers and nuts ole Fig B L A PROHIBITED WN 7 N
68. t 63kg Sian o 3 outdoor units per refrigerant system E lt 94 5kg Total amount of refrigerant lt 94 5kg 1 Calculation of additional amount for outdoor unit a a A Outdoor unit1 additional Outdoor unit2 additional amount for outdoor unit amount for outdoor unit kg kg Total a Outdoor unit3 additional amount for outdoor unit kg kg 2 Calculation of additional amount for pipe length Total length Total length of of 819 05 mm 815 88 mm liquid B liquid pipe bx0 268 pipe b x 0 178 kg m kg m m m kg kg En 21 lt Calculation gt When there are 3 outdoor units AJH126LNLAH AJHO9OLNLAH AJHO72LNLAH connected to 1 system 1 Calculation of additional amount for outdoor unit A 3 30 kg O kg O kg 3 30 kg 2 Calculation of additional amount for pipe length If liquid pipe piping length is the following 219 05 50m 215 88 25m 012 70 Om 99 52 20m 96 53 15m Additional charge volume B 50 m x 0 268 kg m 25 m x 0 178 kg m 0 m x 0 114 kg m 20 m x 0 058 kg m 15 m x 0 021 kg m 19 325kg 3 Calculation of additional charge refrigerant C A B 3 30 kg 19 33 kg 22 63 kg 4 Calculation of factory charged amount D 11 8 kg 11 2 kg 11 2 kg 34 2 kg 5 Check the total amount of refrigerant When 3 outdoor units are connected to 1 system the following conditi
69. termination resistor m 0 100 200 300 400 500 Approximate resistance Q 8 PIPE INSTALLATION II Fig A Connection system A In case of connecting 1 outdoor unit Outdoor unit Pressure regulating Pressure gauge valve X X Si Nitrogen R410A Indoor Indoor Ge i f um unit unit pump Scale B In case of connecting multiple outdoor units Outdoor unit Outdoor unit Pressure regulating valve Nitrogen Pressure gauge R410A X r l Indoor Indoor Vaccum O unit unit pump Scale Fig B Charging cap Spindle Hexagon wrench 9 0 to 12 0 Nm 90 to 120 kgf cm 27 0 to 33 0 N m 270 to 330 kgf cm 8 1 Sealing test 20 0 to 24 0 N m 200 to 240 kgf cm 25 0 to 30 0 N m 250 to 300 kgf cm 12 5 to 16 0 N m 125 to 160 kgf cm 12 5 to 16 0 N m 125 to 160 kgf cm Use only nitrogen gas Never use refrigerant gas oxygen in flammable gas or poisonous gas to pressur ize the system If oxygen is used There is danger of an explosion Do not shock during sealing test It can rupture the pipes and cause serious injury Do not turn on the power unless all operations are complete Do not block the walls and the ceiling until the
70. therwise it will cause electric ifi a2 27 shock or fire Wl It Breaker Breaker Breaker Be sure to install a breaker of the specified capacity When selecting breaker please comply with the laws and the regulations of each country One breaker must be A installed on the power supply of the outdoor unit Wrong selection and setup of the i breaker will cause electric shock or fire AS AS DNE INS 1112113 N IO MINO Do not connect AC power supply to the transmission line terminal board i Power supply Power supply Power supply Improper wiring can damage the entire system i Connect the connector cord securely to the terminal Outdoor unit 1 Outdoor unit 2 Outdoor unit 3 Faulty installation can cause a fire ES Master unit Slave unit 1 Slave unit 1 Do not modify power cable use extension cable or branch wiring Improper use may AS Transmission Transmission Transmission cause electric shock or fire by poor connection insufficient insulation or over current ahalaz zla mli xa xo zt zo 2 at Ha xD zt zo 2 ae Ha Make sure to secure the insulation portion of the connector cable with the cord NT Au mas y clamp A damaged insulation can cause a short circuit N i bs Y IN AAA Never install a power factor improvement condenser Instead of improving the power factor l l AS at ps ern E AA SA E the condenser may overheat i i Before servicing the unit turn the power supply switch OFF Then do not touch elec i tric parts for 10
71. thod to test operation of the unit j EXIT If there are problems adjust immediately and recheck After the test operation is complete turn off the power Attach the cover of the electrical 9 2 Test operation method compartment box and the front panel of the outdoor unit Note Be sure to configure test run settings only when the outdoor unit has stopped Check that the indoor and outdoor units connected to the same refrigerant system operating are operating normally e When indoor or outdoor units are not operating or when the indoor and outdoor Depending on the communication status between the indoor and outdoor units units of other refrigerant systems are operating the indoor outdoor unit address or it may take several minutes for the system to start operating after settings for the DIP switch for the number of connected slave units are not configured correctly test run are complete e The system will not operate normally with an incorrect DIP switch setting After the test run settings are complete all the outdoor units and the connected i Stop the system immediately and recheck the DIP switch setting indoor units will start operating Room temperature control will not activate during test operation continuous operation If a knocking sound can be heard in the liquid compression of the compressor stop the unit immediately and then energize the crank case heater for a sufficient length of time more
72. tomatically cannot be assigned in the order when they are installed Refer to the indoor unit installation manual for the procedures to check the addresses 7 6 2 Procedures to enable automatic address setting on indoor units Check that the rotary switch IU AD on the indoor unit PC board is set to 00 If it is not set to 00 it means the address of that device is not set Factory default is 00 Turn on the power of the indoor and outdoor units When the system is normal nothing will be displayed on the 7 segment LED indi cator When ERROR is displayed inspect the units Use the MODE EXIT SELECT and ENTER buttons on the outdoor unit PC board to configure settings according to the procedures below Bee ag foe el 1 FUNCTION Setting First 2 digits Last 2 digits i l i The indicator when the 1 l main power is turned on i MODE EXIT l Peg i F i Y AN 1 SELECT i T I 4 I Fle 1 Y TIN i SELECT 1 Y l vel When F4 to F9 are displayed l F 3 continue to press the SELECT i Y IN button until F3 is displayed ENTER pee aie A Automatic address setting l for indoor units Y O i alal ae vie SELECT Press the SELECT button until Y 11 is displayed i Nl I A l 4 j j el ad I ISSN 1 1 ENTE
73. ttings for starting _ E E Pe na test ti for using an insulation material with equal heat transmission rate or below SSi TUN Opraven 0 040W m k 1 ig l i i i Y For heating operation press the 1 Nr _a4 SELECT SELECT button until 01 is displayed elal e humidity ae or Pipe diameter mm 1 a i 1 TITN i 1 Press the ENTER button Press the ENTER button 1 1 Y for more than 3 seconds Y for more than 3 seconds i 1 1 l This will be This will be 1 displayed when displayed when I d ajn E the cooling test d ajn E the heating test 1 1 operation is operation is 1 1 Y complete Y complete Tn atl This will b m 1 This will b is will be is will be y ef Es T displayed after Ls displayed after LS 5 seconds 4 TON 5 seconds i When an ambient temperature and relative humidity exceed 32 C please strength Si ii Ai ee ogee a ep ee eee en heat insulation of refrigerant pipe SELECT lor ENTER SELECT or ENTER 9 TEST RUN E Settings for stopping 2 CA A MEA A NS test run operation ix Pty 1 l z i 4 N I_4 9 1 Pre test run check items l Blel l olo i i x N Before the test operation
74. uiet priority 0 0 setting in low 4 0 Normal mode 0 0 hd F noise mode 4 On capacity priority 0 1 4 I capacity Save energy mode A 2 sa 1 If the cooling heating performance becomes insufficient when the low noise mode is set 12 shi High power mode 1 0 2 it is possible to set capacity priority that automatically cancels the low noise mode once High power mode 2 0 3 performance is restored the mode will automatically return to the low noise mode Set this item when necessary Low noise mode Off Normal i 0 0 o 13 Forbidden 1130 0 e 41 setting 1 On Low noise mode 0 1 Switching between Batch stop nd 2 ud Low noise mode Level 1 55 dB 0 0 o batch stop or E t 2 0 0 1 operation level 4 2 emergency stop 1 FMErgency stop 42 setting 1 Level 2 50 dB 0 1 This mode selects the pattern of the stop function to be operated by the external A an A input terminal CN 134 The noise level when operating in the low noise mode can be set 20 Batch stop The stop of all indoor units connected to same refrigerant system On 0 0 o due to input signal coming from CN134 60 8 up operation 1 6 0 Emergency stop When emergency stop is actuated the indoor unit does not Off 0 1 accept the operation command from the remote controller On the other hand Setting number x00 0 0 e when the emergency stop is released no input from CN134 the air condi tioner does not return to the original operation until the indoor unit is turned on
75. wer supply Power supply Power supply i y 230V 18 50Hz 230V 19 50Hz 230V 18 50Hz cable to other phases misconnection Wrong wiring will lead to parts damage 1 The number of power supply terminals is different depending on the indoor unit model For the wiring refer to the indoor unit installation manual If the electrical power is inadequate contact your electric power company 2 Earth Ground the remote controller if it has an earth ground cable Do not use crossover power supply wiring for the outdoor unit Install a breaker Included with earth leakage circuit breaker in a location that is not exposed to high temperatures If the temperature surrounding the breaker is too high the amperage at which the breaker cuts out may decrease There are two types of remote controller the 2 wire type and the 3 wire type For details see the relevant remote controller installation manual When connecting the 2 wire type remote controller Y3 is not used Use a breaker Included with earth leakage circuit breaker that is capable of handling high frequencies Because the outdoor unit is inverter controlled a high frequency 6 3 Knockout hole breaker is necessary to prevent a malfunction of the breaker itself i ads When the electrical switchboard is installed outdoors place it under lock and key so i A that it is not easily accessible Never bundle the power supply cable and transmission cable remote
76. will cause injuries caused by falling unit If there is a refrigerant leakage make sure that it does not exceed the concentra tion limit If a refrigerant leakage exceeds the concentration limit it can lead to accidents such as oxygen starvation If a refrigerant leakage occurs during operation immediately vacate the premises and thoroughly ventilate the area If the refrigerant is exposed to fire it will create a hazardous gas Electrical work must be performed in accordance with this Installation manual by a person certified under the national or regional regulations Be sure to use a dedi cated circuit for the unit An insufficient power supply circuit or improperly performed electrical work can cause serious accidents such as electric shock or fire For wiring use the prescribed type of cables connect them securely making sure that there are no external forces of the cables applied to the terminal connections Improperly connected or secured cables can cause serious accidents such as overheating the terminals electric shock or fire Do not turn ON the power until all work has been completed Turning ON the power before the work is completed can cause serious accidents such as electric shock or fire After the installation make sure there is no refrigerant leakage If the refrigerant leaks into the room and becomes exposed to a source of fire such as a fan heater stove or burner it will create a hazard

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