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INSTALLATION MANUAL - Amp Air

1. i B vn the display when the main i Y for signal Samples power is turned on 1 I 1 Press the MODE EXIT button cr IGE IS i 1 1 EE Fl 1 linkng Press the SELECT button until 10 is displayed Blinking ayo fl 1 Press the SELECT button 1 ou i 1 inki 1 F d 1 inking Press the ENTER button for more than 3 seconds 1 1 1 Blinking i l b l Press the SELECT button riuiia F g When F4 to F9 are displayed Blinking gt continue to press the SELECT but i Pans A H j 1 l Blinking ton until F3 is displayed 1 5 Setting is complete when the 1 1 number of units is displayed eerie NN 4 i i A Press Me ENTER Dutton Press the ENTER button Y 1 I i OE ji if y Press the MODE EXIT button End 7 6 Indoor unit address setting 7 6 1 Indoor unit address setting Address must be set for the indoor unit Manual setting gt When setting with the switch inside the indoor unit refer to the indoor unit operating manual When setting with a remote control refer to the remote control operating manual Automatic setting gt eCheck that the wiring is as shown in the figure below Operate using the outdoor master unit of each refrigerant system En 33 Fig Wiring example for automatic address setting 1 Signal amplifier wiring example 2 3 4 Indoor unit wiring example Connect the indoor and
2. Power supply cable amp Remote controller cable 2 Selecting main breaker and main power supply cable when connecting multiple outdoor units Main breaker Main breaker Total Sub breaker Refer to the table in item 1 for the sub breaker capacity Fig In case of connected 3 outdoor unit breaker earth leakage breaker Transmission cable OK 230 V 19 50 Hz Indoor unit PEER EE hy 4 4 4 Power supply cable Sub breaker Wil Ni Mu 7 f 7 7 YT Breaker Main breaker al F 4 df 4 4 7 an ep i im 400V30 4 3 of pA Remote controller cable 50 Hz 0 3 Example of bad breaker wiring utdoor unit Power supply cable Transmission cable 230 V 19 50 H 0 V 19 50 Hz Indoor unit No Good amel ep gem J Feversupny cable w ATLL Vi 7 Z 7 py Breaker 400 V 35 50 Hz MW a a ad a PNY ai Ne Breaker Outdoor unit Remote controller cable No Good install a breaker No Good Eler power for each outdoor unit supply wiring prohibited En 20 6 4 Tra
3. Blinking iN Ed EAN Setting is complete when the lamp lights up Press the ENTER button to set the next item If there is no operation for 5 seconds after the setting the display will return to 2 Setting the first 2 digits Press the MODE EXIT button to cancel the setting mode vy EXIT En 32 7 5 Address setting for signal amplifiers 7 5 1 Address setting for signal amplifiers 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 Automatic address setting for signal amplifiers 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 LED display When ERROR is displayed inspect the units Use the MODE EXIT SELECT and ENTER buttons on the outdoor unit print circuit board to configure settings ac cording to the procedures below 1 FUNCTION Setting First 2 digits Last 2 digits 1 i 2 4 Automatic address setting
4. 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 12 Outdoor unit 22 Outdoor unit 3 2 5 Option parts A The following parts are optional parts specific to R410A refrigerant Do not use parts other than those listed below 2 5 1 Separation tube kit Table A indicates the separation tube to be used when installing multiple outdoor units Table B indicates the separation tube to be used for connecting the outdoor and indoor units Refer to the installation instruction sheet for the outdoor unit branch kit and the separation tubes for installation speci fications Table A Separation tube for installing multiple out Table B Selection of separation tubes door units UTR BPO90X 28 0 or less UTR BP180X 28 1 to 56 0 UTR BP567X 56 1 or more 2 6 Header A header is used for connecting the indoor units Refer to the installation instruction sheet for the header for installa tion specifications UTR CP567X Table C Selection of header UTR HO906L UTR HO908L 28 0 or less UTR H1806L UTR H1808L 28 1 to 56 0 En 5 3 INSTALLATION WORK Please obtain the approval of the customer when selecting the location of installation and installing the main unit
5. nennen 16 6 ELECTRICAL WIRING nnen een 18 6 1 The precautions of electrical wiring 18 6 2 Knockout hole nr snerrsannaesre snaren seed 19 6 3 Selecting power supply cable and breaker 20 6 4 Transmission line nnee 21 6 5 Wiring method ass assenaar 22 A 10 11 Ee 6 6 External input and external output 24 FIELDSETTING isiescorevenntdesastetnde easier 27 7 1 Field setting switches 0 eeeeeeees 27 7 2 DIP switch setting nnn 27 7 3 Rotary switch setting ncsansrsensts 29 7 4 Push button setting annen 29 7 5 Address setting for signal amplifiers 33 7 6 Indoor unit address setting 33 7 7 Resistance measurement of transmission cable Measure with breaker OFF 35 PIPE INSTALLATION Il ereen 36 8 1 Sealing test un eeisedesncensd viadecades mieten 36 82 Vacl mpProceSs 222 502 weiss ienn Ra 37 8 3 Additional charGing snares enstinn 37 8 4 Installing insulation nnn 39 TEST RUN sueina a a a a aa 40 9 1 Pre test run check items eiriss 40 9 2 Test operation method n es 40 9 3 Checklist sarcescncnctatetecetoedcutensueeede rebel 42 EED Display Aten annen bedekkende 42 10 1 Normal operation mode nnn 42 10 2 Error display MOJE nne rnsevnne
6. ground Instead install it on top of a firm platform such as concrete block NS Bottomvew SZ les hole Fig B The foundation base should be able to support the product and the foot width of the product should be more than 46 5mm Depending on the installation condition vibration during the operation A72LALH of the unit may cause noise and vibration A90LALH Install vibration proofing materials such as rubber pads 108LALH e Consider the removal space of the connection piping when installing 126LALH the foundation e Secure the equipment firmly with anchor bolts washers and nuts Lael Fig B Fig C NO GOOD OK 5 Der INES 200mm Do not use a four corner support foundation When installing piping from the bottom of the outdoor units the required space under the outdoor unit 200mm Install the branch kit horizontally En 10 4 SYSTEM CONFIGURATION 4 1 System configuration Z CAUTION e When connecting multiple outdoor units set the nearest outdoor unit to the indoor unit on the refrigerant pipe as the master unit e When connecting multiple outdoor units install the outdoor unit with the largest nominal system capacity nearest to the indoor unit and on the refrigerant pipe followed by those with less nominal system capacities e Always keep to the limit on the total amount of refrigerant Exceeding the limit on the total amount of refrigerant when cha
7. UTR BP567X 4 3 Protection of pipes e Protect the pipes to prevent the entry of mois 5 ture and dust Outdoor ENOR Pinch BEE e Especially pay attention when passing the pipes Less than 1 month Pinch or tape pipes through a hole or connecting the end of a pipe Indoor Pinch or tape pipes to the outdoor unit 5 PIPE INSTALLATION 5 1 Brazing Pressure regulating valve e If air or another type of refrigerant enters the refrigeration cycle the db internal pressure in the refrigeration cycle will become abnormally high and prevent the unit from exerting its full performance Apply nitrogen gas while brazing the pipes Nitrogen gas pressure 0 02 MPa pressure felt sufficiently on the back of your hand Brazing area Nitrogen gas 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 compressor or valves Do not use flux to braze pipes If the flux is the chlorine type it will cause the pipes 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 Separation tube B 4B Horizontal a A Od 0 me 15 C Horizontal line NO GOOD OK 4a
8. 3 1 Selecting an installation location IN e Install the unit in a location that can withstand its weight and where it will not topple or fall e Calculate the proper refrigerant concentration if you will be installing it in an enclosed location Total amount of replenished refrigerant in refrigerant facility kg Refrigerant concentration kg m 3 Capacity of smallest room where unit is installed m 0 3kg m e If the results of the calculation exceed the concentration limit increase the room surface area or install a ventilation duct Select an installation location by observing the following precautions Install the unit horizontally within 3 degrees Install this unit in a location with good ventilation If the unit must be installed in an area within easy reach of the general public install as necessary a protective fence or the like to prevent their access 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 If it must be installed in proximity to your neighbors be sure to obtain their approval If the unit is installed in a cold region that is affected by snow accumulation snow fall or freezing take appropri ate measures to protect it from those elements To ensure a stable operation install inlet and outlet ducts Install the unit in an area that would not cause problems
9. Blinking Blinking e Y EXIT After the test operation is complete turn off the power Attach the cover of the electrical component box and the front panel of the outdoor unit Note e Check that the indoor and outdoor units connected to the same refrigerant system are operating normally e When indoor or outdoor units are not operating or when the indoor and outdoor units of other refrigerant sys tems are operating the indoor outdoor unit address or DIP switch for the number of connected slave units are not configured correctly e The system will not operate normally with an incorrect DIP switch setting Stop the system immediately and recheck the DIP switch setting En 41 9 3 Checklist eer Cooling low pressure approx 0 8 MPa 1 High and low pressure values are normal Check it with a pressure gauge Heating high pressure approx 3 0 MPa Drain water is discharged smoothly through f 2 the drain hose Check it by pouring water 3 Indoor and outdoor unit fans are operating Check them visually 4 Compressor operates after the indoor unit operates Check the operating sound Difference between inlet and outlet tempera Measure the inlet and outlet tem 5 tures is normal peratures Temperature difference 10 degrees 6 Error is not displayed Check the 7 segment LED display Error blinking or no error code display 10 LED Display You can determ
10. 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 wiring suppressor Loose connection will lead to malfunction electric shock and fire A CAUTION Install a breaker earth leakage breaker to cut off all AC main current at the same time If you do not install a breaker earth leakage breaker it may cause electric shock and fire Be sure to install the refrigerant pipe before operating the compressor If the refrigerant pipe is not installed and you operate the compressor while the valve is open air will be sucked into the system and abnormal pressure will occur in the cooling cycle This will damage the unit and cause injuries 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 This mark indicates procedures which if improperly performed might possibly result in personal harm to the user or damage to property 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 powe
11. 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 con ditions to Disable Factory setting Enable Figure Terminal resistor setting NS1 Network segment 1 Set terminal resistor at outdoor units Terminal resistor on 1 i 1 y 5 i j i Ht j About the setting of terminal resistor EH EH E Outd it Mast it i Master unit Refrigerant system1 i utaoor uni aster uni SSSA JADID III DIDDII IIE on f x Terminal resistor off C off H z S Mia i L p i a dn in i Signal amplifier 1 ra ik Refrigerant system2 i i Master unit 1 Install ke ke h e cr Do not install cH GLI E Ne es Oe ee ee de Master unit Refrigerant system3 L Be NS2 Network segment 2 NS3 Network segment 3 NS4 Network segment 4 Terminal resister on En 28 7 3 Rotary switch setting 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 connec
12. 2 mm L42200 mm L42200 h4 2 mm L52200 mm When H5 is 500 mm or more L52200 h5 2 mm En 7 Fig 4 de vi Fig 5 lt Front view gt g lt Front gt lt Sideview gt Rear g ront view Wall Wall wal Wall Fig 6 lt Top view gt Fig 7 H L4 L4 ry 4 800mm 500mm or more or more Y ry 7 poomi 1000mm y Or morg or more Y ry L3 u t Jo U U U L5 20mmor 20mm or L5 ee len a ee more more L5 20mm or 20mm or L5 more more 3 3 2 When install near by unlimited height wall 1 Single and multiple installations e There are no restrictions on the height of the wall e 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 product etc is larger than 2m When installing with the REAR of the outdoor unit facing the wall side Condition Necessary installation space When B 400 mm L6 200 mm When 20 B lt 400 mm L6 2200 400 B x3 mm Fig 8 Single installation
13. AJO144LALH 1 Calculation of additional amount for outdoor unit a a a Total Outdoor unit1 Outdoor unit2 Outdoor unit3 additional amount for T additional amount for additional amount for outdoor unit outdoor unit outdoor unit kg kg kg kg 2 Calculation of additional amount for pipe length Total length Total length of Total length of of 219 05 mm b 215 88 mm b 212 70 mm b B liquid pipe 0 268 liquid pipe 0 178 liquid pipe 0 114 kg m kg m kg m kg kg kg Total length of Total length of Total 29 53 mm b 26 35 mm b liquid pipe x 0 058 liquid pipe x 0 021 kg kg m m m kg kg kg 3 Calculation of additional charge refrigerant C AtB Round up C to 2 decimal place kg 4 Calculation of factory charged amount d d d Total D Outdoor unit1 Outdoor unit2 Outdoor unit3 factory charged amount factory charged amount factory charged amount kg kg 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 Total amount of refrigerant 31 5kg E S 31 5kg For 2 outdoor units per refrigerant system Total amount of refrigerant 63kg E S 63kg For 3 outdoor units per refrigerant
14. ENTER button 2 Setting the 3 Setting the Sasa eo first 2 digits eos Ss last 2 digits paren es ee ee Se ao i Press the SELECT button to change the value for the last 2 digits mms Press the ENTER button Press the SELECT button Press the SELECT button i ra ra mmm a ni rm m J glajeja lalalala elolel olelole lalalala Blinking Blinking Blinking Blinking Blinking y Press the ENTER button to confirm the value 02 for the last 2 digits une Press the SELECT button to select the next item for the first 2 digits Setting is complete when the lamp lights up Press the ENTER button to set the next item If there is no operation for 5 seconds after the setting the Y display will return to 2 Setting the first 2 digits mm LILA G Blinking 1 1 l l I I 1 l 1 I 1 t 1 1 I I I 1 l Y l Every press of the SE LECT button will change l the setting number for the first alate i Press the SELECT button to change the value for the last 2 digits I l if l 1 I 1 ti l I I 1 1 I I I 1 l I Continue to press the SELECT button until the Press the ENTER button desired number appears at the last 2 digits mm m a J HEID HEID i Blinking Blinking Press the ENTER button to confirm
15. Master Slave Slave unit unit 1 unit 2 unit unit1 unit2 feral fer fel Zl NE fer Outdoor unit Rise To indoor unit branch kit 200 mm or more To indoor unit 1 _tessthan2m Gas lt i Outdoor unit branch kit pipe 2 m or less Gas pipe 2 m or more N EEN En 17 6 ELECTRICAL WIRING 6 1 The precautions of electrical wiring WARNING 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 342 456 V Before connecting the wires make sure the power supply is OFF Select a breaker earth leakage breaker of appropriate capacity and install one at every power supply of an outdoor unit Wrong selection of breakers earth leakage breakers or transition wiring will lead to electric shock and fire Do not connect AC power supply to the transmission line terminal board Improper wiring can damage the entire system Install a breaker earth leakage breaker in accordance with the related laws and regulations Connect the connector cord securely to the terminal Faulty installation can cause a fire Do not modify power cable use extension cable or branch wiring Improper use may cause electric shock or fire by poor connection insufficient insulation or over current Make sure to secure the insulation portion of the connector cable with the cord clamp A da
16. Remove the charging cap from the liquid pipe 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 4 Remove the charging hose and install the charging cap 5 Remove the body caps gas pipe liquid pipe and oil pipe if multiple units are installed and open the valves 6 Close the body caps 7 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 and oil pipes Use an M10 hexagon wrench for gas pipes 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 operating in cooling mode In order to prevent liquid back flow carefully operate the cooling cylinder valve so that the refrigerant will flow in certain part at a time En 37 8 3 2 AJOA72LALH Checking total amount of refrigerant and calculating the amount of refrigerant charge to be added The amount of refrigerant charge to be added is the total value of the basic refrigerant charge amount and the value calculated from the length of the liquid pipe e Round up the value to 2 decimal places AJOA90LALH AJO108LALH AJO126LALH
17. install a unit that uses the R410A refrigerant use dedicated tools and piping materials that have been manu factured specifically for R410A use Because the pressure of the R410A refrigerant is approximately 1 6 times higher than 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 introduce any substance other than the prescribed refrigerant into the refrigeration cycle If air enters the refrigeration cycle the pressure in the refrigeration cycle will become abnormally high and cause the piping to rupture Be sure to install the unit as prescribed so that it can withstand earthquakes and typhoons or other strong winds Improper 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 will cause injuries caused by falling unit If there is a refrigerant leakage make sure that it does not exceed the concentration 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 Electrica
18. necessary to prevent a malfunction of the breaker itself When the electrical switchboard is installed outdoors place it under lock and key so that it is not easily accessible Never bundle the power supply cable and transmission cable remote control cable together Separate these cable by 50 mm or more Bundling these cables together will cause miss operation or breakdown Always keep to the maximum length of the transmission cable Exceeding the maximum length may lead to er roneous operation 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 grounding of Indoor unit Outdoor unit and Option equipment Cut off the power supply breaker Touch the metal section such as the unpainted control box section of the indoor or outdoor unit for more than 10 seconds Discharge the static electricity in your body Never touch the component terminal or pattern on the PC Board En 18 6 2 Knockout hole e Be careful not to deform or scratch the panel while opening the knockout holes e After opening the knockout hole remove the burr on the edges to prevent snapping of wires It is recommended to apply rust proof paint on the edges to prevent rust Electric wires can be connected from the front or from the left Knockout holes are prepared so that wiring can
19. operation method to test operation the unit If there are problems adjust immediately and recheck OV QOSQOVO 9 2 Test operation method Be sure to configure test run settings only when the outdoor unit has stopped operating e Depending on the communication status between the indoor and outdoor units it may take several minutes for the system to start operating after settings for the test run are complete e After the test run settings are complete all the outdoor units and the connected indoor units will start operating Room temperature control will not activate during test operation continuous operation e Ifa 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 before restarting the operation Perform test operation for each refrigerant system You can set cooling test operation or heating test operation with the push button switch on the outdoor unit print circuit board Test operation setting method Use the MODE EXIT SELECT and ENTER buttons on the indoor unit print circuit board to configure settings ac cording to the procedures below En 40 1 FUNCTION Setting First 2 digits Last 2 digits Fl i Blinking Fle Blinking Fila w Press the MODE EXIT button i Press the SELECT button
20. outdoor units of the same refrigerant system as shown below Signal amplifier 1 tartana rapke JA f if A EEEE E i 12 12 8 2 4 1__26 3 2 i ices oh SOU omarmen ee eee eee ee ee Refrigerant system2 ER aa CC OS I 1 HE R E i SEE 1 hd oa beg A ee Be SE P S E OE cee coe 1 ee Signal amplifier Aer lieren nnee eer el ee nn nde aa a a i 1Refrigerant system3 4 ey tte iin AAA eee eee i EEE EE E i iP 112 18 1 10 23 4 22 8 9 4 5 ee ee ete ec Pa ee ee 4 Master unit NOTE The automatic address function can be used for a maximum of 48 indoor units installed to the same refrigerant sys tem When network is connected to other refrigerant systems the automatic address function cannot be used The addresses of indoor units that have been configured automatically 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 circuit board is set to OO If it is not set to 00 it means the ad dress 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 display
21. system Total amount of refrigerant 94 5kg E S 94 5kg En 38 lt Calculation gt e When there are 3 outdoor units AJC 44LALH AJC 26LALH AJC 08LALH connected to 1 system 1 Calculation of additional amount for outdoor unit A 3 30 kg 3 30 kg 1 20 kg 7 80 kg 2 Calculation of additional amount for pipe length If liquid pipe piping length is the following 19 05 50m c 15 88 25m 12 70 Om cb9 53 20m 6 53 15m Additional charge volume B 50 m x0 268 kg m 25 m x0 178 kg m 0 m x0 114 kg m 20 m x0 058 kg m 15 m x0 021 kg m 19 325kg 3 Calculation of additional charge refrigerant C A B 7 80 kg 19 33 kg 27 13 kg 4 Calculation of factory charged amount D 11 8 kg 11 8 kg 11 8 kg 35 4 kg 5 Check the total amount of refrigerant When 3 outdoor units are connected to 1 system the following condition must be satisfied Condition E C D 94 5 kg Calculation 27 13 kg 35 4 kg 62 53 kg lt 94 5 kg No problem if the above condition is satisfied 8 4 Installing insulation e Install insulation material after conducting the 8 1 Sealing Test e To prevent condensation and water droplets install insulation material on the refrigerant pipe e Refer to the table to determine the thickness of the insulation material e If the outdoor unit is installed at a level that is higher than the in door unit the water that has condensed in the 3 way valve of the outdoor unit could travel to th
22. table in the SPECIAL TOOLS FOR R410A section Especially when replacing a conventional refrigerant other than R410A model with a new refrigerant R410A model always replace the conventional piping and flare nuts with the R410A piping and flare nuts 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 When charging the refrigerant take into account the slight change in the composition of the gas and liquid phases and always charge from the liquid phase side whose composition is stable 2 2 Special tools for R410A Pressure is huge and cannot be measured with a conventional gauge To prevent er roneous mixing of other refrigerants the diameter of each port has been changed Itis recommended to use a gauge manifold with a high pressure display range 0 1 to 5 3 MPa and a low pressure display range 0 1 to 3 8 MPa Gauge manifold Charging hose To increase pressure resistance the hose material and base size were changed A conventional vacuum pump can be used by installing a
23. unit unit 1 1 Indoor Indoor Indoor unit 4 Indoor H3 unit H2 fa n a ee Se a ja a En 11 4 2 Pipe selection Slave unit2 This unit is designed specifically for use with the R410A refrigerant Pipe size table B Pipes for R407C or R22 may not be used with this unit Pipe size table C Pipe size Outdoor unit branch kit optional First separation Separation tube tube optional i optional Do not use existing pipes table D Improper pipe selection will degrade performance Pipe size table E Indoor unit 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 COPPER JIS H3300 C1220T O or equivalent JIS H 3300 C1220T H or equivalent Please select the pipe size in accordance with local rules Table B Between outdoor unit to outdoor unit branch kit 1 Allowable tensile stress 33 N mm2 2 Allowable tensile stress 61 N mm2 3 Endurance pressure of the pipes 4 2MPa 4 For the installation method refer to 5 4 Multiple conne
24. vacuum pump adapter e A conventional vacuum pump can be used by installing a vacuum pump adapter e Be sure that the pump oil does not back flow into the system Use one capable for vacuum suction of 100 7kPa 5 Ton 755mmHg Vacuum pump Gas leakage detector Special gas leakage detector for HFC refrigerant R410A 2 3 Accessories Use connecting parts as required Do not throw away the connecting parts until the installation has been complete Specifications manual Joint pipe B For connecting gas pipe L type Installation This book For binding power cable manual and transmission cable Joint pipe A For connecting gas pipe Straight type 2 4 Combinations 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 that can be connected are as follows En 4 AJLIA72LALH AJLJA90LALH AJL108LALH AJL126LALH AJL144LALH Installation space combination 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 2 Outdoor unit 22 Outdoor unit 3 Energy saving combination
25. 1 y Press the SELECT button 1 J R Blinking For cooling operation press the SELECT button until 00 is displayed y m Mj el Le Y more than 3 seconds complete 1 m m This will be displayed Lt os after 5 seconds Blinking Blinking Press the ENTER button for This will be displayed d am E when the cooling test operation is the display when the main power is turned on When F4 to F9 are displayed continue to press the SELECT button until F3 is displayed Settings for starting test operation For heating operation press the SELECT button until 01 is displayed m Lu aa Blinking Y Press the ENTER button for more than 3 seconds dia E This will be displayed when the heating test operation is complete Gl This will be displayed after 5 seconds Blinking Y more than 3 seconds Blinking Press the ENTER button for This will be displayed when the cooling d ap E operation mode is Blinking Press the ENTER button for more than 3 seconds dia This will be displayed when the heating q E operation mode is canceled This will be displayed after 5 seconds canceled y m This will be displayed m os d after 5 seconds os 2
26. A Outdoor unit or Refrigerant branch kit B Indoor unit or Refrigerant branch kit Header Simne Gas pipe one pi 40mm 8 ine es Horizontal o ge 4 Outdoor gt EF a1 0 1 unit side ma 4 line Br 10 10 VIEW C eene Horizontal B Liquid pipe line opia Hsin Outdoor gt Ti E ine 10 mm unit side bp 02 i a2 0 1 Be 10 10 OK VIEW D NO GOOD NO GOOD En 13 ine 0 5m or more Separation tube 0 5m or more Separation tube Main pipe gt To indoor p TO indoor SE unt To indoor unit or or Main pipe 0 5m or more Header 0 5m or more Header xr T To indoor unit To indoor unit To indoor unit Do not connect a separation tube after a header e Leave the distance 0 5 m or more for straight part to branch tube and header e For details refer to the Installation Instruction Sheet of each part 5 3 Piping method 5 3 1 Opening the knockout hole e Be careful to prevent panel deformed or damaged while opening the knockout hole e To prevent cutting of the wiring after the knockout hole was opened remove the burrs along the edge e In addition to prevent rusting painting the edge with rust preventive paint is recommended 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 Knocko
27. Fig 9 Multiple installations lt Top view gt lt Top view gt 100mm or more lt Rear gt 800mm or more lt Front gt lt Front gt a L 200mm 200mm 200mm 200mm 200mm or more or more or more Example When B is made 200mm L6 200 400 200 x3 800mm When installing with the FRONT of the outdoor unit facing the wall side Fig 10 lt Top view gt Wall Fig 11 500mm 1 or more lt Top view gt Wall a 500mm or more i Wall sa lt Front gt pla Wall 200mm 20mm or 20mm or 200mm or more or more more more En 8 2 Concentrated Installation e The wall without height restrictions must not exist on the both sides left right of outdoor unit Also must not ex ist on the both sides front rear of outdoor unit e Ventilation resistance can be ignorable when the distance from a wall or product etc is larger than 2m Fig 12 Fig 13 Top view gt lt Top view gt 400mm 400mm Y or more y or more t 800 t 500mm mm or more 4 or more Y ry 800mm 1000mm or more or more Y 2 Y 1000mm 400mm 400mm 1000mm 400mm 400mm or more or more or more or more or more or more 3 3 3 When there are obstacles above the product When there are obstacles above the product ke
28. VRF SYSTEM OUTDOOR UNIT AJLIA72LALH AJO1126LALH AJLIA90LALH AJU144LALH AJL108LALH A CAUTION R410A REFRIGERANT This Air Conditioner contains and operates with refrigerant R410A THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL Refer to Commonwealth State Territory and local legislation regulations codes installation amp operation manuals before the installation maintenance and or service of this product INSTALLATION MANUAL For authorized service personnel only Contents 1 SAFETY PRECAUTIONS na nnen 2 ABOUT THE PRODUCT copor ideia gi aii Caution when using R410A refrigerant Special tools for R410A en n ACCOSSONG Sienen ieai ada araok n COMDINALONS numenersarde kanina Option parts Header EE REND OnkhwWwna 3 INSTALLATION WORK nennen Selecting an installation location Drain processing aranea aarden Installation dimensions eee Transportation the outdoor unit IRN Installation the unit ran 10 4 SYSTEM CONFIGURATION neers 11 4 1 System configuration ins 11 4 2 Pipe selection nennen an 12 4 3 Protection of PIPES 2 2 c 0s cceedecweetieess ence 13 5 PIPE INSTALLATION nnnen eneen eenn 13 Sel BrAZING usni rie N 13 5 2 Indoor unit pipe connections PANNE 5 3 Piping method under verassen ed deed 14 5 4 Multiple connections
29. When ERROR is displayed inspect the units Use the MODE EXIT SELECT and ENTER buttons on the outdoor unit print circuit board to configure settings ac cording to the procedures below 1 FUNCTION Setting First 2 digits Last 2 digits Automatic address setting for indoor units 1 1 1 1 i the display when the io Sh i main power is turned on i i Press the MODE EXIT button 1 First 2 digits Last 2 digits 1 Fld i Hg 1 EE 1 ana Press the i Blinking l f i M Press the SELECT button l i fi l oa Ma i F 2 l Blinking h Blinking Press the i y Press the SELECT button Ww i FA When F4 to F9 are displayed l i F a continue to press the SELECT but l Blinking j Blinking ton until F3 is displayed 1 I EOE el 1 m a G A Press the ENTER button f EEE EEE EEES En 34 SELECT button until 11 is displayed 1 l 1 1 1 ENTER button for more than 3 seconds 1 jj It may take about 10 minutes for completing the processing 1 1 l The number of indoor units with normal settings will be displayed at the first 2 digits of the 7 segment LED display The number of indoor units with error will be displayed at the last 2 digits Press the ENTER button NOTE After the ENTER button is pressed the end processing will occur for about 30 seconds During this pe
30. alve i 5 Outdoor unit Outdoor unit Outdoor unit Pressure regulating Pressure gauge Pressure gauge valve H X BA maant oe i Nitrogen 5 Nitrogen LI j pet TH H _ R410A _ R410A _ I LW C CS D Indoor Indoor Vacuum Indoor Indoor unit unit Scale unit unit Vacuum Scal a pump cale Fig B Table A Charging cap J j Spindle 9 0 to 12 0 N m 20 0 to 24 0 N m 12 5 to 16 0 Nm 90 to 120 kgf cm 200 to 240 kgf cm 125 to 160 kgf cm 27 0 to 33 0 Nm 25 0 to 30 0 Nm 12 5 to 16 0 N m Hexagon 270 to 330 kgf cm 250 to 300 kgf cm 125 to 160 kgf cm wrench Use only nitrogen gas Never use refrigerant gas oxygen in flammable gas or poisonous gas to pressurize the system If oxygen is used There is the danger of an explosion Do not apply 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 sealing test and the charging of the refrigerant gas have been completed After connecting the pipes perform an 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 decreas
31. be made from 2 different directions Use the knockout holes on the front and the left separately when necessary Unit mm Unit mm U 243 7 943 7 Knockout hole G22 2 Knockout hole En 19 6 3 Selecting power supply cable and breaker e 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 e 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 AJLIA72LALH AJTIA90LALH AJC O8LALH TOUMA 0 1sec or less AJ126LALH AJO144LALH 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 breaker earth leakage breaker Transmission cable 230 V 1g 50 Hz Indoor unit L Power supply cable OK 7 400 V 35 50 Hz Breaker ae co al ai on al on zl Outdoor unit A
32. ctions UTR CP567X Table C Between outdoor unit branch kits or outdoor unit branch kit to first separation tube 22 4 to 28 0 If the pipe diameter between separation tubes based on Table D is larger than the pipe diameter between outdoor unit branch kit and the first separation tube based on 28 1 to 45 0 Table C select the pipe whose diameter is equal to the one between the outdoor unit 45 1 to 56 0 branch kit and the first separation tube 56 1 to 80 0 If pipe diameter D gt C select pipe size from 80 1 to 96 0 table C 96 1 or more Table D Between separation tubes Use a standard separation tube for pipe branching Do not use a T tube as it does not separate the refrigerant evenly Table F Separation tube Header 28 0 or less UTR BPO90X UTR HO906L 4 4 to 11 1 11 2 to 13 9 9 52 19 05 Table E Between separation tube to indoor unit 14 0 to 28 0 12 70 22 22 28 1 to 44 7 12 70 28 58 44 8 to 56 0 15 88 28 58 2 2 2 8 3 6 4 0 4 5 56 1 to 80 0 15 88 34 92 5 6 7 1 8 0 9 0 80 1 to 95 0 19 05 34 92 11 2 12 5 14 0 18 0 95 1 or more 22 4 25 0 5 For the installation method refer to the installation manuals for indoor unit piping connection separa UTR HO908L tion tubes and header 28 1 to 56 0 UTR BP180X UTR H1806L UTR H1808L 56 1 or more En 12
33. d supply To outdoor unit Optional Joint pipe Accessory Ne Restriction when install Be sure following restriction 1 Installation angle Outdoor unit branch kit A Horizontal B Vertical To indoor unit m To outdoor unit C To outdoor unit 8 or next branch kit 2 No good No good No good fe f D a b B E O e er to 10 Q Be Q e Install the outdoor unit branch kit horizontally within 0 to 10 so that the refrigerant separates evenly e Do not install the outdoor unit branch kit vertically 2 Straight pipe length To indoor unit To main pipe To indoor unit To main pipe t 0 5m or more 0 5m or more gt JJ Ln To outdoor i To outdoor unit unit t To outdoor unit t To outdoor unit t To outdoor unit e Leave the distance 0 5m 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 En 16 Fig Examples of multiple unit installation Example 1 Example 3 Master unit Slave unit1 Slave unit2 p 5 Master unit a Example 2 Slave Master unit Slave unit1 Slave unit2 unit1 Slave unit2 Z CAUTION To prevent the oil from settling in the stopped unit install the pipes between
34. e Outdoor unit En 6 3 3 Installation dimensions When installing the outdoor unit pay attention to the following items e Provide sufficient installation space such as transportation route maintenance space ventilation space refriger ant piping space and passageways Pay attention to the specifications of the installation space as shown in the figure If the unit is not installed ac cording to specifications it may cause short circuit or poor performance The unit may be prone to lapse into non operation due to high pressure protection 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 maintenance space When there is a wall at the left side of the unit provide a space of 30mm or more as maintenance space An outdoor temperature of 35 degrees in air conditioned operation is assumed for the installation space in this item If the outdoor temperature exceeds 35 degrees and the outdoor unit is operating at a load exceeding its rated ability provide a larger inlet space If you are installing more outdoor units than indicated here please ensure sufficient space or consult your distrib uting agent as it may affect the performance due to short circuit and other problems 3 3 1 When install near by limited heig
35. e indoor unit Therefore use putty in the space between the pipe and the insu Putty lation to prevent the entry of water Insulation Table Selection of insulation for using an insulation material with equal heat transmission rate or below 0 040W m k Pipe diameter mm When an ambient temperature and relative humidity exceed 32 C please strengthen heat insulation of refrigerant pipe En 39 9 TEST RUN 9 1 Pre test run check items Before the test operation check the following items Is there a gas leakage At pipe connections flange connections and brazed areas Is the system charged with the specified volume of refrigerant Is the refrigerant circuit address correct Is a breaker installed at the power supply cable of every outdoor unit Are the wires connected to the terminals without looseness and in accordance with the specifications Are the initial settings of the switches of the outdoor unit correctly configured Is the 3 way valve of the outdoor unit open Gas pipe and liquid pipe Is power supplied to the crank case heater for more than 12 hours Electricity current in short period of time may result in compressor damage Are all the indoor units within the same coolant system connected to the power Operating indoor units which are not connected to the power may result in malfunctions After checking that the above items are all in order refer to 9 2 Test
36. ed Compare the pressures after pressurizing and letting it stand for 24 hours and check that the pressure has not de creased 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 blazing After completing the sealing test release the nitrogen gas from both valves Release the nitrogen gas slowly En 36 8 2 Vacuum process Do not turn on the power unless all operations are complete If the system is not evacuated sufficiently its performance will drop If moisture might 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 nitrogen gas then depressurize down to 100 7kPa 755mmHg for an hour using the vacuum pump vacuum process If the 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 pressure does not rise by monitoring with a vacuum pauge Evacuation procedure 1 Remove the caps of the gas pipe a
37. ep the minimum installation height 4 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 Outlet duct push button switch 500mm or more Similar when installing anti snow hood Setting high static pressure mode Follow the instructions in the table below to set the high static pressure mode Static Pressure SP 1 Q lt SP lt 30 Pa Set to Mode 1 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 Hoisting method Fig A When hanging the outdoor unit and conveying it to installation location hang the unit with rope by passing through the 4 opening holes on bottom of front and rear side as shown in figure e Use 2 ropes at least 8m long If used shorter length it may cause to damage the unit e Use the sufficiently strong rope to bear the unit s weight e 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 e During the hanging unit make sure to keep the unit horizontally to pr
38. et the address for all outdoor units Master unit only 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 En 27 3 Number of outdoor units installed The number of outdoor units installed in 1 refrigerant system must be set Set for all outdoor units OFF OFF 1 Factory setting OFF ON 2 ON OFF 3 ON ON Forbidden 7 2 3 Terminating 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 e Be sure to set 1 terminal resistor in a network segment You can set the terminal resistor at the outdoor unit or signal amplifier e 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 are there in a VRF system Where will you set the terminal resistors in a network segment Condition for 1 segment
39. even if the drain water is discharged from the unit Oth erwise provide drainage that would not affect people or objects Install the unit in an area that has no heat sources vapors or the risk of the leakage of flammable gas in the vicinity Install the unit in an area that is away from the exhaust or vent ports that discharge vapor soot dust or debris Install the indoor unit outdoor unit power supply cable transmission cable and remote control cable at least 1 meter away from a television or radio The purpose of this is to prevent TV reception interference or radio noise Even if they are installed more than 1 meter apart you could still receive noise under some signal conditions Keep the length of the piping of the indoor and outdoor units within the allowable range For maintenance purposes do not bury the piping 3 2 Drain processing e The drain water is discharged from the bottom of the equipment Construct a drain ditch around the base and dis charge the drain water properly e When installing on a roof perform floor waterproofing properly Drain processing e The drain water from the base of the outdoor unit may gener ate during operations Perform drain processing as necessary e When you want to prevent the drain water from leaking at the 50 mm or more perimeter construct a ditch for the drain water as shown in the A figure 10 mm or e Provide a central drain pan as necessary e
40. event the drop e Be careful not to shock the impacts during the hanging En 9 Conveying by forklift Fig B e When using the forklift to convey 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 e Enable to remove the pallet from cabinet e Be careful not to be damaged Conveying by forklift Manual forklift hand fork e When using the manual forklift to convey the unit pass the forklift arms through the opening space between pallet and cabinet from side Fig A Fig B P ctr AJoA72LALH AJoA90LALH AJo108LALH AJo126LALH AJo144LALH lt Front gt lt Side gt Fork Forklift Fork Manual forklift Delivery pallet Protective boards Opening space 3 5 Installation the unit e Install the unit horizontally within 3 degrees Fig A Unit mm e Install 4 or more anchor bolts at the 8 locations indicated by arrows Fig A e Place the left and right anchor bolts at a distance further away than the dimensions of A in the Table A Excluding the case where anchor bolts are installed at 8 locations To minimize vibration do not install the outdoor unit directly on the
41. he master unit for this item Level 1 55dB 4 2 0 0 O _ This item allows you to configure the noise level when the unit operates Low noise opera A N 42 Level 2 50dB 4 2 0 1 under low noise operation mode tion level setting ae Set only the master unit for this item ing Enabl 0 0 O 60 Backup operating ne 6 0 Set whether to run the outdoor backup operation settings Disable 0 1 0 0 O 1 1 2 2 Set the digit positions for integers and tens for the electricity meter con 3 3 nected to CN135 70 Electricity meter 7 0 4 4 gt Points to note on common No 70 and 71 No settings 1 5 5 If the electricity meter No is set to O or 201 299 the pulse entered 6 6 into CN135 will be disabled 7 7 8 8 9 9 0 0 O Rap In on 7 Electricity meter 7 1 0 1 Set the digit position for the hundreds for the electricity meter connected to No settings 2 CN135 0 2 0 0 O 1 1 2 2 we A r 7 3 Set the digit positions for the integers and tens of the pulse settings of the a electricity meter connected to CN135 Electricity meter 4 4 72 7 2 5 5 X Points to note on common No 72 and 73 6 6 eo ot 8 8 9 9 En 30 Electricity meter 73 T3 pulse setting 2 Set the digit positions for the hundreds and thousands of the pulse settings of the electricity meter connected to CN135 ojojo Na aj A vN o ojojo Na afsl iN j o 90 Sett
42. he push switch on the circuit board of outdoor unit About the setting please refer to 7 4 Push switch 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 communication 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 4 Pulse input to CN135 must be width 50ms or more and must be interval 50ms or more En 25 6 6 3 External output terminal Service parts EXTERNAL INPUT WIRE A 9368777005 e 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 display Master unit only This output indicates the outdoor unit and connected indoor unit s Normal or Error status Operation display Master unit only This outpu
43. ht wall 1 Single and multiple installations e There are no restrictions on the height of the side wall e Provide installation spaces L1 and L2 in accordance with the table below according to the wall height front side rear side conditions e Provide installation spaces other than L1 and L2 in accordance with the conditions shown in the figure below e Ventilation resistance can be ignorable when the distance from a wall or product etc is larger than 2m When H1 is 1500 mm or less L12500 mm When H1 is 1500 mm or more L12500 h1 2 mm When H2 is 500 mm or less L22100 mm When H2 is 500 mm or more L22100 h2 2 mm Fig 1 enten Fig 2 Single installation Fig 3 Multiple installations lt Front gt lt Rear gt lt Top view gt lt Top view gt t L2 lt Rear gt lt Rear gt lt Front gt Li lt Front gt 30mm or 20mm or 20mm or 10mm or 30mm or more 10mm or more more more more more Wall Wall 2 Concentrated installation e Provide installation spaces L3 L4 and L5 in accordance with the table below according to the wall height front side rear side conditions e Provide installation spaces other than L3 L4 and L5 in accordance with the conditions shown in the figure below e Ventilation resistance can be ignorable when the distance from a wall or product etc is larger than 2m When H3 is 1500 mm or less L32500 mm L32500 h3
44. ine the operating status by the lighting up and blinking of the 7 segment LED display Check the status using the table below 10 1 Normal operation mode Heating o r During oil recovery operation d F During defrosting operation R Cc During power saving operation E n During low noise operation En 42 S n During setting of snowfall mode 10 2 Error display mode 7 segment LED display AcLE G7 44 A gt EF dn FHHJ f nn Mode Code Description Mode Code Description E 1 3 1 Communication error between Outdoor unit E 9 2 1 Compressor 2 error Communication E 1 4 1 Outdoor unit network communication 1 error E 9 2 2 Compressor 2 overcurrent error error E 1 4 2 Outdoor unit network communication 2 error E 9 3 1 Inverter compressor start up error E 1 4 5 The number of indoor unit shortage E 9 4 1 Trip detection Function setting E 2 8 1 Auto address setting error Outdoor unit actua E 9 5 5 Compressor motor loss of synchronization error E 2 8 4 Signal amplifier auto address error tor error E 9 7 1 Outdoor unit fan motor lock error a el E 5 U 1 Indoor unit error E 9 7 4 Outd
45. ing disabled 9 0 O _ Factory default 1 Turn on the power of the outdoor unit and enter standby mode e When system is normal e When system is abnormal POWER MODE lamp lights up ERROR lamp is off Check the settings as there is an error in the settings for POWERMODE lamp ERROR lamp OFF outdoor unit address DIP switch SET3 1 2 or number ON of connected slave units DIP switch SET3 3 4 e POWER MODE lamp ERROR lamp ON I lt Blinking 7 segment LED display LEDIOS LEDIG OFF 7 segment LED display display Se eer e MODE EXIT button SELECT button ENTER button o rd Er En 31 2 Setting method Use the MODE EXIT SELECT and ENTER buttons 77 4 FUNCTION Settin a 3 to configure settings according to the procedures First 2 digits Last 2 digits i LESS LED a below l l the display when the main power is turned on 1 FUNCTION Setting mE 2 Setting the first i 2 digits 3 Setting the last 2 digits Press the MODE EXIT button B T If no setting is made the factory default setting Blinking Y Press the SELECT button E Pa When F3 to F9 are displayed continue to press the SELECT button until F2 is displayed Blinking i 1 1 1 1 1 if 1 j l 1 Fi f i will be displayed 1 l 1 1 1 ji 1 1 1 1 Press the
46. istive materials at the air flow outlet 80Pa or less Refer to 3 3 3 When there are obstacles above the product for setting the high static pressure mode Set both the master and slave units for this item 25 Setting disabled 2 5 0 0 O Factory default 26 Setting disabled 2 6 0 0 O Factory default 27 Setting disabled 2 7 0 0 O _ Factory default 28 Setting disabled 2 8 0 0 O Factory default 29 Setting disabled 2 9 0 0 O Factory default Level 1 stop operation 0 0 Oo mn Level 2 Limited at 40 0 1 Ha pa allows you to limit the kae ae aa e para 30 nergy saving vel 3 Limited at 60 3 lofolz tion when an energy saving peak cut signal is received at the external level evel 4 Lamiadar aoe 0 3 input terminal CN133 evel 4 Limited at 80 Set only the master unit for this item Level 5 Limited at 100 0 4 Low noise priority 4 0 0 0 O _ When capacity priority is selected low noise operation mode will be canceled Capacity priority Capacity priority 0 1 temporarily if the cooling heating capacity is insufficient during low noise operation 40 setting during low Once insufficient capacity is canceled the unit will resume low noise opera noise operation tion mode Set only the master unit for this item F Normal operation 4 1 01 0 O When low noise operation ON is selected the operating noise will be sup Low noise opera x 5 41 tion settin Low noise operation 4 1 0 1 pressed 9 Set only t
47. l 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 dedicated 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 wires connect them securely making sure that there are no external forces of the wires applied to the terminal connections Improperly connected or secured wires can cause serious accidents such as overheating the terminals electric shock or fire Securely install the electrical box cover on the unit An improperly installed electrical box cover can cause serious accidents such as electric shock or fire through exposure to dust or water 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 hazardous gas Use a wall hole pipe Otherwise it may cause a short circuit En 2 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
48. le 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 prevent Use one side of the Connect both ends of sealed twisted pair cable cable to earth Be sure to use one side of a twisted pair cable when using transmission cable with 2 sets of twisted pair cables En 23 6 6 External input and external output 6 6 1 Terminal position Outdoor unit printed circuit board Base heater Terminal CN115 Output 1 Terminal CN136 Output 2 Terminal CN137 r nn e en yg Input 4 BASE HEATER EXT OUT 2 Terminal CN134 EEG SI NTIS BLACK BLACK PULSE IN Do not bind this wire with other wires 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 binder CN136 Black CN115 Black Wire Do not clamp the base heater cable En 24 Binder Acces sories Input 3 Terminal CN133 Input 2 Terminal CN132 Input 1 Terminal CN131 Input 5 Terminal CN135 6 6 2 External input terminal Service parts EXTERNAL INPUT WIRE A 9368777005 e Setting to low noise mode cooling priority heating priority selection ou
49. maged insulation can cause a short circuit Never install a power factor improvement condenser Instead of improving the power factor the condenser may overheat Before servicing the unit turn the power supply switch OFF Then do not touch electric parts for 10 minutes due to the risk of electric shock Make sure to perform grounding work Improper grounding work can cause electric shocks Z CAUTION The primary power supply capacity is for the air conditioner itself and does not include the concurrent use of other devices Connect the power cables in positive phase sequence If they are connected in negative phase sequence an error will be displayed If there is a missing phase connection the unit will not operate normally Do not connect a N phase neutral phase cable to other phases misconnection Wrong wiring will lead to parts damage Do not use crossover power supply wiring for the outdoor unit If the electrical power is inadequate contact your electric power company Install a breaker earth leakage breaker in a location that is not exposed to high temperatures If the temperature surrounding the breaker earth leakage breaker is too high the amperage at which the breaker earth leakage breaker cuts out may decrease Use a breaker earth leakage breaker that is capable of handling high frequencies Because the outdoor unit is inverter controlled a high frequency earth leakage breaker is
50. n mode that is configured 21 Priority mode Administrative indoor unit through the external input terminal CN132 will be given priority setting ae 0 2 e Administrative indoor unit priority The operation mode of the administrative priority indoor unit that is configured using a wired remote control will be given prior ity Set only the master unit for this item showfall mode Normal operation 212 ojo O This item allows you to operate the outdoor unit fan regularly in order to prevent 22 Snowfall mode 0 1 the device from being disabled when the outdoor unit is buried in snow setting j Pa Set only the master unit for this item Standard 30 mins 0 0 O Snowfall opera Short 1 5 mins 0 1 This item allows you to configure the interval of the outdoor unit fan opera 23 tion interval set 2 3 tion when Snowfall mode is selected Short 2 10 mins 0 2 i he ting Set only the master unit for this item Short 3 20 mins 0 3 Standard 0 0 O Set the high static pressure mode under the following conditions High static pressure mode 1 2 4 0 1 High static pressure mode 1 High static pressure mode 2 o 2 When a duct is attached the length of this duct is 150mm or less from the main unit and other resistive materials are not at the air flow outlet 30Pa or less 24 High static pres High static pressure mode 2 sure mode setting When a duct is attached the length of this duct is 150mm or more from the main unit or there are other res
51. n piping has been connected Wait until the 3 way valve is completely cooled down before removing the pinch pipe or brazing the joint pipe Otherwise the 3 way valve may be damaged e Blaze the joint pipe onto the 3 way valves at the liquid and gas side Process the joint pipe appropriately so that it can be connected easily with the main pipe e Blaze the joint pipe at the liquid and gas side with the main pipe Be sure to supply nitrogen when blazing Fig A Fig B Joint pipe accessory Joint pipe Knockout _ Joint pipe Field supply oe accessory Joint pipe Field supply Liquid pipe Gas pipe Knockout Field supply Field supply hole Nb indoor unit En 15 5 4 Multiple connections e When connecting multiple maximum 3 units be sure to install the unit with the largest capacity nearest to the indoor unit For example AJO126LALH Outdoor Unit1 AJC126LALH Outdoor Unit2 AJTA90LALH Outdoor Unit3 e 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 e When connecting multiple units use the optional outdoor unit branch kit fer ni gt Outdoor Capacity Nt 2 Unit Unit1 2 Unit2 3 Unit Unit1 2 Unit2 Unit3 To indoor unit To main pipe To outdoor unit a A Liquid pipe Outdoor unit Field supply branch kit i i Gas pipe Fiel
52. nd 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 be comes 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 8 3 Additional charging 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 amount 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
53. ng Transmission line Refrigerant F Transmission line system 1 Refrigerant ff system 1 f a Transmissionilin EE Se a ar system 2 Refrigerant system 2 oO 8 0 EE J Transmissions eri eek Mee ee ar eek Refrigerant system 3 Refrigerant system 3 6 5 Wiring method To other refrigerant circuit Outdoor unit Ha Breaker earth leakage breaker rly Power supply Power supply Power supply it 400V 30 50Hz 400V 30 50Hz 400V 30 50Hz itt L1 L2 L3 N D Li L2 L3 N D Li L2 L3 n D Outdoor unit1 1 Outdoor unit2 Outdoor unit3 Master unit i Breaker Slave unit 1 Breaker Slave unit 2 Breaker JIS eefe e L1 L2 L3 N ID L1 L2 L3 N D transmission Transmission Transmission Xt Kaft 21 ZOE Ht HO XA Xa E 21 ZOL Ht HL Xi KE 24 ZOE Ht HOL 7 F 7m 1 i Y 7 ze r i 1 1 r EE EEFE t lices 4 1e A are a WI it VI EEE EEE a gal Ln NE ea ennn i T Indoor unit Indoor unit 1 The number
54. nsmission line e 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 _ 2Pes atone side Wires twisted 1 wire coating by a cutter etc so that the conductive wire is RN not damaged Sai Sl If it is damaged it may lead to an open circuit and a NO GOOD NO GOOD OK communication error Shorted at edge Shorted at root 2 wires e Pay attention to the following points while attaching wires on the terminal board OK Do not attach 2 wires on one side Do not twist wires NO GOOD NO GOOD Do not cross the wires Do not shorted at edge at root 6 4 1 Transmission wiring specifications Follow the specifications below for the transmission cable Transmission cable 0 33mm 22AWG LEVEL 4 NEMA non polar 2core LONWORKS i twisted pair solid core diameter 0 65mm compatible cable 6 4 2 Wiring rules 1 Total length of transmission cable Fig 1 Total transmission line length MAX 3600m Outdoor unit EF EG GH HJ HK KL lt 3600m Fig 2 Te Missa System In the following cases Signal Amplifier is required R r oo eure When the total length of the tra
55. nsmission line Terminal ASSESS exceeded 500m RR RE fn AB BC BD gt 500m Fig 1 Indoor unit Tou Panai When the total number of units is over 64 When AB BC BD gt 500m Ai Controller Transmission line length between each unit 2 400m Signal Amplifier is required 2 Length of transmission cable between 1 network seg Fig 2 ment NS EF EG GH HJ HK lt 500m Fig 2 KL lt 400m Fig 2 Outdoor unit NS 1 3 Length of transmission cable between outdoor units in a Indoor unit refrigerant system F MN S 18m E Terminal resistor NP lt 18m Y gt NOTE Unit means indoor unit outdoor unit Touch Panel c Controller and System Controller Signal Amplifier G Transmission line Touch Panel single split adaptor Network Convertor etc H J Controler min nn nn LE Do not use loop wiring This may lead to parts damage a a NS2 oem and erroneous operation l r 3 ok L Cole 2 Senn 555 Terminal resistor En 21 6 4 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 refrig erant system Fig 4 Example Disable Automatic Address setting Example Enable Automatic Address setti
56. of power supply terminals XT Tt TT is different depending on the indoor unit or ie ES model For the wiring refer to the indoor Transmission Transmission Transmission unit installation manual Power supply Remote control Power supply Remote control Power supply Remote control i LIN D u LINDI F En A 2 Ground the remote controller if it has a 4 aN 1 ground wire Breaker 2 Breaker Breaker aoe LIE Le Power supply Power supply Power supply 230V 10 50Hz Remote 230V 10 50Hz Remote 230V 10 50Hz Remote control unit control unit control unit The wiring example for outdoor and indoor units is shown in figure Remove the cover of the electrical component box and follow the terminal plate to connect the electric wires to the terminal After connecting the electric wires secure them with a cable clamp Connect the wires without applying excessive tension En 22 Secure with a cable clamp as shown in the figure below HARDEE omen rouwe Binder Cable clip J O OD r Aa clip Transmission cable Power supply cord 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 Use a ring terminal to connect the electric wires to the power supply terminal board Sealing transmission cable Connect both ends of the sealed wires of the transmission cab
57. oor unit fan motor undervoltage E 6 1 5 Outdoor unit reverse phase wire error E 9 7 5 Outdoor unit fan motor E 6 2 3 Outdoor unit EEPROM access error E 9 U 2 Slave unit error E 6 2 6 Inverter communication error E A 1 1 Discharge temperature 1 abnormal Outdoor unit PCB E 6 2 8 EEPROM data corrupted error E A 2 1 Discharge temperature 2 abnormal Electrical compo E 6 3 j 1 Inverter error E A 3 1 Compressor1 temperature abnormal nent Switch error E 6 7 2 Inverter PCB short interruptions detection E A 3 2 Compressor2 temperature abnormal E 6 8 1 Magnetic relay error Refrigerant system E A 4 1 High pressure abnormal E 6 8 2 Rush current limiting resistor temp rise protection abnormal E A 4 2 High pressure protection1 ENGEN 1 eha PCB Parallel E A 4 3 High pressure protection2 E 7 1 1 Discharge Temp Sensor1 Error E AJ 5 1 Low pressure abnormal E 7 1 2 Discharge Temp Sensor2 Error E A C 4 Heat sink temperature abnormal E 7 2 1 Compressor Temp Sensor1 Error E 7 2 2 Compressor Temp Sensor2 Error E 7 3 3 Outdoor unit Heat Ex liquid temp sensor error E 7 4 1 Outdoor Temp Sensor Error E 7 5 1 Suction Gas Temp Sensor Error 8 E 7 7 1 Heat sink temp sensor error oulsber unitgensor E 8 2 1 Sub cool Heat Ex gas inlet temp sensor error error E 8 2 2 Sub cool Heat E
58. our 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 front panel of the outdoor unit and the cover of the electrical component box to access the print circuit board of the outdoor unit Print circuit board switches for various settings and LED displays 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 eo PS H i LED 7 Segment gt Configure the settings before turning on the power ON Lepdisplay Settings for SET1 SET2 and SET4 DIP switches are E SE Rotary switch factory default ones Do not change them fe i je eA aye MODE Teciectfenter _SET1 SET2 SET3 SET4 3 Forbidden ie a ltt x alee E EE EEE EEL F ae o elel Swio2 swi0s swios Forbidden kf Push button DIP switch Outdoor unit Se ee address setting jesse K m a EN Setting for number of om ra slave units ae EEn Forbidden N cae ee ee Number of outdoor units in Outdoor unit printed circuit board S a stalled hee Forbidden Terminal resistor setting 7 2 2 Settings 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 S
59. r 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 e Area with high salt content such as at the seaside It will deteriorate metal parts causing the parts to fall or the unit to leak water Area filled with mineral oil or containing a large amount of splashed oil or steam such as a kitchen It will deteriorate plastic parts causing the parts to fall or the unit to leak water Area that generates substances that adversely affect the equipment such as sulfuric gas chlorine gas acid or alkali It will cause the copper pipes and brazed joints to corrode which can cause refrigerant leakage Area containing equipment that generates electromagnetic interference It will cause the control system to malfunction preventing the unit from operating normally Area that can cause combustible gas to leak contains suspended carbon fibers or flammable dust or volatile inflammables such as paint thinner or gasoline If gas leaks and settles around the unit it can cause a fire e Avoid installing the unit at places where it will come into contact with animals urine or ammonia Do not use the unit for special purposes such as
60. rature under standard cooling heating condition 16 Condition of max cooling Dry bulb temperature and wet bulb temperature at maximum electric current and input 17 Manufacture year Manufacture year 18 Origin Origin country 19 Manufacturer En 44 Manufacturer FUJITSU GENERAL LIMITED Address 1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan
61. rging will lead to malfunction A In case of 1 outdoor unit connected Fig A From outdoor unit to the farthest indoor unit a f 150m atp 150m actual pipe length e From the first separation tube to the farthest indoor unit f 60m p 60m actual pipe length e Difference in height between outdoor units and indoor units H1 50m For the indoor unit stated below 40m For the outdoor unit stated below sf DSD e Difference in height between indoor units and indoor units H2 15m H3 15m e Total pipe length a fth j l n p q s u S 700m e Total refrigerant amount 31 5kg B In case of 2 outdoor unit connected AAR L aAa i e From outdoor unit to the farthest indoor unit a e f 150m a e p S 150m actual pipe length i e Difference in height between outdoor units and indoor units H1 i 50m For the indoor unit stated below t 40m For the outdoor unit stated below HSE e From the first separation tube to the farthest indoor unit f 60m p 60m actual pipe length Fig B Odee Difference in height between indoor units and indoor units H2 H3 unit 2 H2 15m H3S15m Outdoor So e Difference in height between outdoor unit and outdoor units H4 Master H4 4 H4 lt 0 5m e From outdoor unit to outdoor unit branch kit a 3m b 3m e Total pipe length ee atbtetft h j l n p q st u S 1000m e Total refrigerant amount 63kg e Outdoor unit capacity Master slave C In the case of 3 outdoor units connected e From outdoor unit to the fa
62. riod the 7 segment LED display will blink 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 transmission cable is abnormal Otherwise the circuit board may be damaged Measure the resistance between 2 terminals of a Distance from termination resistor m transmission cable 0 100 200 300 400 1 Transmission cable connecting indoor units outdoor units and signal amplifiers Measure the resistance of the signal ampli fier 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 Approximate resistance Q En 35 8 PIPE INSTALLATION II Fig A Connection system A In case of connected 1 outdoor unit B In case of connected many outdoor units L Pressure regulating v
63. rthest indoor unit ate f 150m ate p 150m actual pipe length e From the first separation tube to the farthest indoor unit f 60m p 60m actual pipe length Difference in height between outdoor units and indoor units H1 Indoor Indoor Indoor 50m For the indoor unit stated below 40m For the outdoor unit stated below e Difference in height between indoor units and indoor units H2 H3 3 H2 15m H3S15m Fig C Outdoor Difference in height between outdoor unit and outdoor units H4 Outdoor Outdoor Slave 2 H450 5m Master slave e From outdoor unit to outdoor unit branch kit a 3m b 3m c 3m e Between the farthest outdoor unit to the first outdoor unit branch kit J s3e go b d 12m c td 12m Totalpipelength eens rreeneneeereeneenr 4 atb c dtetfth jtl n p q tstu 1000m e Total refrigerant amount 94 5kg e Outdoor unit capacity Master slave 12slave 2 NOTE If the outdoor temperature during cooling operation is expected to be 5 C or less do not install the outdoor unit 7 1 lower than the indoor unit Please refer to 8 3 2 Checking total amount of refriger ant and calculating the amount of refrigerant charge to be daor dao indoor added for the total amount of refrigerant unit unit unit ry Indoor H3 unit Outdoor unit Master y i ji I ij Indoor unit 4 1 if 1 1 1 1 1 1 1 1 i 1 Indoor 1 1 1 unit
64. ssenssvenness 43 INFORMATION nennen eenen 44 PART NO 9378945029 03 1 SAFETY PRECAUTIONS Be sure to read this Installation manual thoroughly before installation The warnings and precautions indicated in this Installation manual contain important 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 Please pass this Installation manual together with the Operating manual to the customer 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 Z WARNING This mark indicates procedures which if improperly performed might lead to the death or seri ous injury of the user Consult the retail store or professional technicians to install the main unit according to the Installation manual Improper installation will cause serious accidents such as refrigerant leakage water leakage electric shock and fire Manufacturer s guarantee will be invalid when instructions in the Installation manual are ignored during installation 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 refrigerant leakage water leakage electric shock and fire To
65. storing food raising animals 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 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 Be sure not to start or stop the operation of air conditioning with power breaker Otherwise it may cause malfunc tion or water leakage When setting it up near the equipment that generates electromagnetic waves and the equipment that generates the higher harmonics wave be sure to take measures against noise Otherwise it may cause malfunction or failure When energizing to the crankcase heater please turn on the power 12 hours or earlier before operation begins When the energizing time is short it may cause failure Besides please do not turn off power during the busy season En 3 2 ABOUT THE PRODUCT 2 1 Caution when using R410A refrigerant Pay careful attention to the following points e 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
66. t indicates the outdoor unit s Operation status Connector Output voltage Status OV Normal CN136 Black DC 12 24 V 5 Error OV Stop CN137 Blue DC 12 24 V 5 Operation P C B 5 5 Provide a DC12 to 24V power supply DC power supply Select a power supply capacity with an ample External 12 24V surplus for the connected load CN136 Black 6 The allowable current is 30mA or less or CN137 Provide a load resistance such that the current Blue becomes 30mA or less 7 Polarity is for pin 1 and for pin 2 Connect correctly Do not impress a voltage exceeding 24V across pins 1 2 Connected load Operation In dicator or Error Indicator A twisted pair cable 0 33mm AWG22 should be used Maximum length of cable is 150m Use an external input and output cable with appropriate external dimension depending on the number of cables to be installed 6 6 4 Base heater terminal Service parts WIRE WITH CONNECTOR 9708642000 This is the output signal for base heater Output signal ON when the outdoor temperature goes down below 2 C and signal OFF at the outdoor temperature 4 C P C B rer AC240V Base heater Black For rated 415V power supply 9 0 82mm 18AWG 8 Connect to pin 1 and pin 3 No connection pin2 and pin4 9 The allowable current is 1A or less En 26 7 FIELD SETTING AN Discharge the static electricity from y
67. tdoor unit operation peak control setting emergency batch stop and electricity meter pulse are possible from the outside e Except for wattmeter pulse reception CN135 among external input terminals only the Master unit is effective Wiring method and specifications _Atwisted pair cable 0 33mm 22AWG should be used Maximum length of cable is 150m Use an external input and output cable with appropriate external dimension depending 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 CN131 CN132 CN133 CN134 Green White Red CN135 Orange Connected unit Operation behavior Each input terminal works as follows Connected unit Connected unit Connected unit Connected unit Outdoor unit Connector Input signal Status eae Master Slave OFF Normal operation CN131 Yellow a o x ON Low noise mode operation CN132 Green OFF Cooling priority o x 1 ON Heating priority OFF Normal operation CN133 White ed o s ON Outdoor unit operation peak control OFF Normal operation CN134 Red O x ON Batch stop or Emergency stop operation 2 3 CN135 Orange __No pulse _ No information from electricity meter o o 4 Pulse Power usage information from electricity meter Slave unit can connect only input5 CN135 The operations of each input terminal and the selection of function are set with t
68. ted set the rotary switch REF AD as shown in the table below Refrigerant Setting circuit example address 63 907 Y or IGN REF AD x 1 REF AD x 10 Rotary Switch REF ADx1 Factory setting 0 Rotary Switch REF ADx10 Factory setting 0 7 4 Push button setting Various functions can be set Set when necessary Perform settings after all indoor units have stopped operation Refer to Table A for the items that can be set Table A List of Settings Standard pipe 40 to 65m 0 0 O This item allows you to adjust the cooling cycle loss due to the length of the Short pipe less than 40m ola ke En EEn en Pipe length set et according to the length of the connected pipe 0 ting Long pipe 1 65 to 90m 0 0 0 2 Set only the master unit for this item Long pipe 2 90 to 120m o 3 Pipe length means the length between master outdoor unit and the nearest Long pipe 3 120 to 150m 0 4 indoor unit No shift 0 0 o This item allows you to delay the start timing of the outdoor units for every Compressor Shift 1 21 seconds 11 0 o 1 refrigerant system when multiple refrigerant systems have been configured 10 _ sequential start Shift 2 42 seconds 02 You can also limit the start current when multiple refrigerant systems are shift Shift 3 63 seconds 0 3 activated at the same time Set only the master
69. 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 b Non installable patterns Master Slave Slave Mast Sl SI GOOD unit unit 1 unit 2 NOGOOD anit recall unit 2 z E To indoor unit D To indoor unit A IA 15 SS 5 J Master Slave Slave GOOD h unit unit 1 unit 2 Master Slave Slave NO GOOD unit Dri unit 2 fer fer LE P To indoor unit To indoor unit 4 o Slave i nr Tj f GOOD aster Slave unit 2 NO GOOD asten Slave Slave er unit unit IPD unit 2 El Ep To indoor unit E To indoor unit J 2 When the length between branch kits and the length of the branch kit and outdoor units is more than 2m provide a rise of 200mm or more on the gas pipe However there is no need to provide a rise on the pipe connecting to the master unit even if the length exceeds 2m a In case of less than 2m b In case of 2m or more Master Slave Slave
70. unit for this item Standard 0 0 oO i ity S d 1 11 Cooling capacity ae 2 Set this item when necessary shi High power mode 1 0 2 High power mode 2 0 3 Standard 0 0 i ity S d Oo 1 12 Heating capacity ave energy mote Set this item when necessary shi High power mode 1 0 2 High power mode 2 0 3 13 Setting disabled 0 0 Factory default Forced stop 0 0 This item allows you to stop the outdoor indoor units of the same refrigerant Emergency stop Emergency stop 0 41 system when a stop signal is received at the extemal input terminal CN134 e Forced stop Operation can be resumed using a remote control 20 Forced stop 5 toadle Emergency stop Once emergency stop is cancelled you can start opera 99 tion with a remote control Set only the master unit for this item En 29 pulse setting 1 If the electricity meter pulse is set to O the pulse entered into CN135 will be disabled First press priority 0 0 O _ This item allows you to set the priority item in the cooling cycle operation mode Outdoor unit external input First press priority The operation mode that is configured first will be given priority Sr priority 2 1 0 1 Outdoor unit external input priority The operatio
71. ut position Fig B Detail of knockout po Fig C Detail of knockout position sition bottom front Unit mm Unit mm Os te s e Knockout Knockout hol nog nockout nole 2 8 O 2 53 73 r a En 14 5 3 2 Removing the pinch pipe Z WARNING Remove the pinch pipe only when the internal gas is completely drained 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 Fig A 2 Cut the end of the liquid side and gas side pinch pipe and vent the gas inside the pinch pipe Fig B 3 After all the gas is vented melt the brazing filter metal on connecting part using a burner and remove the pinch pipe Fig C Fig A Fig B Fig C 3 way valve End of pinch pipe 5 3 3 Pipe connection CAUTION 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 in the pipe Bend the pipe at a radius of 70mm or greater Do not bent pipe many times at same part to prevent break Do not use flare connection on the indoor unit pipe until the connectio
72. x gas outlet temp sensor error E 8 3 1 Liquid pipe temp sensor1 error E 8 3 2 Liquid pipe temp sensor2 error E 8 4 1 Current sensor error E 8 6 1 Discharge pressure sensor error E 8 6 3 Suction pressure sensor error E 8 6 4 High pressure switch 1 error E 8 6 5 High pressure switch 2 error Lo un En 43 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 temperature and wet bulb tempe

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