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installation manual installationsanleitung manuel d

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1. 3 r Power supply Power supply Power supply Fale 400V 3 50Hz 400V 3 50Hz 400V 30 50Hz iy Li iz is N LI L2 L3 N D Outdoor unit 1 Outdoor unit 2 Outdoor unit 3 ak Master unit Slave unit 1 Slave unit 2 Power supply Power supply Power supply gt Transmission Transmission Transmission 1 Cooling only 2 HHl XA X2 L 21122 E Ht Ho Xi x21 Z2 Ht H2 L u VIZ 1 A i v due cei ul p MEG Refrigerant piping an OUT RB ar RB unit RB unit Power Power tt supply IN U supply IN U LIN baigs V o 72 V 9 T jl dL 24 T Ww n i yt 1 i Breaker Al a X LIN X1 X2 Transmission LIN X1 X2 Transmission X1x2 Transmission 1 2 4 Transmission X1 X2 Transmission Power supply Indoor unit Power supply Indoor unit Indoor unit Indoor unit Indoor unit 230V 10 50Hz 230V 10 50Hz Remote Power Power Power Remote Power Remote Power Remote supply peels supply control supply control supply control supply
2. 1 Examples of multiple unit installation are shown below Z WARNING a Installable patterns Wiring connections must be performed by a qualified person in accordance with specifications agg Master Slave Slave The rated supply of this product is 50Hz 400V of 3 phase 4 wire Use a voltage unit unit 1 unit 2 within the range of 342 456V Make sure to perform earthing grounding work Improper earthing grounding work To indoor unit jee can cause electric shocks Before connecting the cables make sure the power supply is OFF GOOD Master Slave Slave Be sure to install an earth ground leakage breaker Otherwise it will cause electric unit unit 1 unit 2 shock or fire Be sure to install a breaker of the specified capacity When selecting breaker please i comply with the laws and the regulations of each country One breaker must be To indoor unit installed the power supply of the outdoor unit Wrong selection and setup of the breaker will cause electric shock or fire si Slave Do connect AC power supply to the transmission line terminal board ave i i GOOD Master unit 1 unit 2 Improper wiring can damage the entire system unit R Connect the connector cord securely to the terminal Faulty installation can cause a fire Do not modify
3. PEE NE A E EEEE Anna 1 Unit means indoor unit outdoor unit Touch Panel Controller and System Con NS 1 T NS2 troller Signal Amplifier single split adaptor Network Convertor etc H l Do not use loop wiring This may lead to parts damage and erroneous operation a K N w gH WN J Tir T 1 ect HEINE IN P atoc 5 V 6 5 3 Enabling Disabling automatic address setting Terminal resistor C D I You can enable disable automatic address setting for the indoor unit RB unit and the 1 L E B L c signal amplifier REPERI UT ee aaa BH To enable automatic address setting for the indoor unit connect the indoor unit to ax cM IC x dc m oe Sa EE Q ctob 7 outdoor units under the same refrigerant system Fig 4 53 Example Disable Automatic Address setting T en H G r3 Transmission line i ig Lc Refrigerant T I i system1 I pom m Signal amplifier eere NE eMe Arce Ur DAD re dM zj P C D E J K N lt 500 m Q F G H lt 500m Transmission line Refrigerant T system 2 P P Ld LL Ld Example Enable Automatic Address setting Transmission line deir O
4. Means that the energy saving combination is unavailable When connecting outdoor units install the outdoor unit with the largest nominal system capac ity nearest to the refrigerant pipe and indoor unit followed by those with lesser nominal system capacities Outdoor unit 1 2 Outdoor unit 2 2 Outdoor unit 3 Optional p The following parts are optional parts specific to R410A refrigerant Do not use parts other than those listed below 2 5 1 RB unit UTP RX01AH 8 0 or less 3 INSTALLATION WORK Please obtain the approval of the customer when selecting the location of installation and installing the main unit 3 1 Selecting an installation location 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 closed location Refrigerant concentration kg m 0 3kg m Total amount of replenished refrigerant in refrigerant facility kg Capacity of smallest room where unit is installed m 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 level Within 3 degrees Install this unit in a location with good ventilation If the unit must be installed in an area
5. 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 To indoor unit Suction gas pipe Discharge gas pipe 2morless 2 or less gt 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 breaker is necessary to prevent a malfunction of the breaker itself Master Slave Slave unit uniti unit2 When the electrical switchboard is installed outdoors place it under lock and key so that it is not easily accessible Rise Never bundle the power supply cable and transmission cable remote control cable 200 mm or more together Separate these cable by 50 mm or Bundling these cables together To indoor unit Y Suction gas pipe will cause miss operation or breakdown Discharge gas pipe Always keep to the maximum length of the transmission cable Exceeding the maxi 2morless 2morless mum length may lead to erroneous operation 2 more 2 or more The static electricity that is charged to the human body can damage the control PC board when h
6. Fig B Joint pipe C Accessory or field supply 1 Joint pipe Accessory or field supply 1 d Knockout hole Joint pipe M Field supply a ere RI 3 1 Field supply and accessory depend on the model so for details refer 2 3 Accessories 5 4 Multiple connections N CAUTION When connecting multiple maximum 3 units be sure to install the unit with the largest capacity nearest to the indoor unit For example AJLT108GALH Outdoor Unit1 AJL JAS0GALH Outdoor Unit2 AJLTA72GALH 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 unit branch kit Optional To indoor unit To main pipe To outdoor unit a To outdoor unit M A Branch kit restriction when install Be sure following restriction 1 Installation angle Outdoor unit branch kit Outdoor Capacity 2 Units Unit 1 2 Unit 2 3 Units Unit 1 2 Unit 2 2 Unit 3 Liquid pipe Field supply Joint pipe Accessory Discharge gas pipe Field supply Suction gas pipe Field supply Horizontal Ls A To indoor unit To outdoor unit To outdoor unit or PROHIBITED next bra
7. 1 Y F Outdoor unit PC board Pi 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 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 res
8. 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 Approximate resistance Q 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 the test pressure changes 0 05 MPa If the pressure has dropped the pipe joints may be leaking 8 PIPE INSTALLATION II Fig A Connection system A In case of connected 1 outdoor unit Outdoor unit Pressure regulating p 31 Pressure gauge Valve 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 li Nitrogen j L 8 2 Vacuum process pk yl H R410A RB unit Vacuum Seale Indoor unit pump Do not turn on the power unless all operations are complete If the system is not evacuated properly its performance will dro
9. Header UTR HO906L UTR HO908L UTP J0906A UTP J0908A UTR H1806L UTR H1808L UTP J1806A UTP J1808A 28 0 or less 28 1 to 56 0 5 Forthe 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 Outdoor Pinch pipes Less than 1 month Pinch or tape pipes Indoor Pinch or tape pipes 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 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 pipes to corrode In addition if the flux contains fluoride it will affect the refrigerant piping system due to dete
10. En 18 Standard 0 0 e Setting number x00 0 0 e High static pressure 1 Setting number x01 equivalent to 0 12in WG 0 1 Electricity meter 7 7 0 High static pressure 30Pa 2 14 70 No setting 1 2 mode High static pressure 2 Setting number x98 8 24 equivalent to 0 32in WG 0 2 Setting number x99 9 9 80Pa Set the ones digit and tens digit of the No of the electricity meter connected to Forbidden 0 3 CN135 When installing a duct to the blow off outlet of an outdoor unit set the high static Setting number Oxx 0 0 pressure mode according to the static pressure of the duct to be installed Electricity meter Furthermore use this setting if the air blow of an outdoor unit is poor such as when 71 No setting 2 2 Setting number 1xx 7 1 0 1 installed in a place with a low ceiling Setting number 2xx 0 2 25 Forbidden 2 5 0 0 Set the hundreds digit of the No of the electricity meter connected to CN135 Setting number xx00 0 0 e 26 Forbidden 21610 0 Setting number xx01 0 1 Electricity meter 7 1 2 pulse setting 1 3 27 Forbidden 21710 0 72 Setting number xx98 9 8 Setting number xx99 9 9 28 Forbidden 2 8 0 0 Set the ones digit and tens digit of the No of the electr
11. 2 4 18 B 8 1 N i g a B 2 1 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 1 5 seconds after the setting the indicator will return to 2 Setting the first 2 digits 1 1 d ME E m IA e a aa ZI E 1 ji rl Continue to press the i SELECT button until the desired number appears at f t 3 the last 2 digits p Y E 1 f 4 8 0 E 7 ITN 1 1 1 1 4 14 1 1 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 1 2 Setting the first 2 digits 1 S MPO Y EXIT Press the MODE EXIT button to cancel the setting mode 7 5 Signal amplifier address setting 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 t
12. ded 1000 400 400mm or more or more or more En 5 Fig 13 Top view 3 400mm or more 500mm or more A 1000mm or more 1000mm 400mm 400mm or more or more or more 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 or more Setting high static pressure mode Follow the instructions the table below to set the high static pressure mode High static pressure mode Condition setting 2 Set to Mode 1 Static Pressure SP 0 lt SP lt 30 Static Pressure SP 30 SP 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 Referto the section on Push Switch Setting in Chapter 7 Field Setting 3 4 Transportation the outdoor unit Product mass kg A72GALH 262 A90GALH 262 108GALH 262 126GALH 286 144GALH 286 Hoisting method When hanging the outdoor
13. 12 70 1 2 19 05 3 4 28 58 1 1 8 UTP DX567A 12 70 1 2 22 22 7 8 28 58 1 1 8 12 70 1 2 22 22 7 8 28 58 1 1 8 4 Forthe installation method refer to 5 4 Multiple connections Table B Between outdoor unit branch kits or outdoor unit branch kit and first separation tube 224 12 70 1 2 22 5 to 28 0 12 70 1 2 28 1 to 33 5 12 70 1 2 i 4 8 22 22 7 8 22 22 7 8 28 58 1 1 8 28 58 1 1 8 33 6 to 45 0 12 70 1 2 22 22 7 8 45 1 to 56 0 15 88 5 8 22 22 7 8 56 1 to 78 5 15 88 5 8 28 58 1 1 8 78 6 to 96 0 19 05 3 4 28 58 1 1 8 28 58 1 1 8 34 92 1 3 8 34 92 1 3 8 41 27 1 5 8 96 1 to 102 4 19 05 3 4 28 58 1 1 8 102 5 or more 19 05 3 4 34 92 1 3 8 41 27 1 5 8 Table Between separation tubes or separation tube and RB unit 4 4 to 11 1 11 2to 13 9 14 0 to 22 3 22 4 to 28 0 9 52 3 8 9 52 3 8 12 70 1 2 12 70 1 2 12 70 1 2 12 70 1 2 15 88 5 8 19 05 3 4 15 88 5 8 19 05 3 4 UTP 22 22 7 8 BXO90A 22 22 7 8 28 1 to 44 7 44 8 to 46 9 47 0 to 56 0 56 1 to 80 0 80 1 to 95 0 12 70 1 2 15 88 5 8 15 88 5 8 15 88 5 8 19 05 3 4 19 05 3 4 19 05 3 4 28 58 1 1 8 19 05 3 4 28 58 1 1 8 22 22 7 8 28 58 1
14. 0 m x0 114 kg m 20 m x0 058 kg m 15 m x0 021 kg m 19 325kg Calculation of additional charge refrigerant C A B 9 0 kg 19 33 kg 28 33 kg Calculation of factory charged amount 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 219 05 mm 215 88 mm liquid liquid pipe b x 0 268 pipe bx 0 178 kg m kg m m m kg kg En 23 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 lt 105 kg Calculation 28 33 kg 35 4 kg 63 73 kg lt 105 kg No problem if the above condition is satisfied 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 insula
15. Orange of control PC board 2 Fixitto the wire with the attached cable tie Clamp CN135 Orange CN115 Black It Ey OO Clamp Cable tie Accessory Wire Do not clamp the base heater cable 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 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 Input 1 Input 3 Input 4 Input 5 CN131 CN133 CN134 CN135 Yellow White Red Orange connected unit connected unit connected unit connected unit Operation behavior Each input terminal works as follows f Outdoor unit Connector Input signal Status E Master OFF Normal operation 31 Yellow ON Low noise mode operation 3 OFF Normal operation 33 White ON Outdoor unit operation peak control 4 OFF Normal operation 4 Red ON Batch stop or Emergency stop operation
16. 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 prevent 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 8to 10 mm 1 2 ZiR i MULTI OUTIU OTHER CYCLE 40 mm or more Cable tie Accessory 6 7 External input and external output 6 7 1 Terminal position Input 5 Input 4 Input 3 Input 1 Output 1 i d PULSE IN EXT INA EXT IN 3 EXT IN 1 EX OUT 1 CN135 134 CN133 CN131 CN136 ORANGE RED WHITE YELLOW BLACK i ois 238 Outdoor unit PC board l E T EE 1 1 Baba O80 m m m BLACK BASE HEATER CN115 a fet SF og N CAUTION Do not bundle the cable for base heater with other cables Example In case of Outdoor unit 1 Insert the connector to CN134 Red and CN135
17. 1 8 UTP BX180A 28 58 1 1 8 34 92 1 3 8 UTP BX567A 28 58 1 1 8 34 92 1 3 8 28 58 1 1 8 41 27 1 5 8 95 1 or more 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 Total cooling capacity of indoor unit is the total value for the cooling capacity of indoor unit connected downstream Discharge gas pipe size selection When indoor unit of cooling only type is connected it calculates with the value except capacity of cooling only type Table D Between separation tube and RB unit 07 09 12 14 2 2 2 8 3 6 4 0 4 5 6 35 1 4 18 24 30 5 6 7 1 8 0 9 0 9 52 3 8 36 45 54 11 2 12 5 14 0 9 52 3 8 12 70 1 2 19 05 3 4 60 18 0 9 52 3 8 15 88 5 8 19 05 3 4 72 90 22 4 25 0 12 70 1 2 19 05 3 4 22 22 7 8 9 52 3 8 12 70 1 2 12 70 1 2 15 88 5 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 Between separation tubes or RB unit and separation tube 4 4 to 11 1 1
18. 8 Connect to pin 1 and pin 3 No connection pin 2 and pin 4 9 The allowable current is 1 A or less 7T 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 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 En 17 un Segment lamp LED indicator M EIE ck Rotary switch 4 29 LED105 LED104 sve Ea G9 NN bs E SE Tae ene SETS SETS i saaa me m M 4 Push button DIP switch 7 2 B X oN Ps Y gm 1 7
19. 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 malfunction 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 Children should be monitored to ensure they do not play with the device A conventional R22 vacuum pump can be used by install ing a vacuum pump adapter Aconventional vacuum pump can be used by installing a vacuum pump adapter Be sure that the pump oil does not back flow into the sys tem Use one capable for vacuum suction of 100 7kPa 5 Ton 755mmHg Vacuum pump Gas leakage detec tor 2 3 Accessories Use connecting parts as required Do not throw away the connecting parts until the installation has been complete Special gas leakage detector for HFC refrigerant R410A Specifications manual Installation manual This book For binding power cable and trans mission cable Model code 90 108 126 Joint pipe for Suction
20. and cabinet from side Side 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 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 on the total amount of refrigerant when charging will lead to malfunction A case of 1 outdoor unit connected Fork forklift or Fig A lt Front gt i i O U Fork Forklift Delivery pallet Fork Manual forklift Master 3 i i O U Outdoor unit 3 5 Installation the unit RB FRB unit ft e LU Indoor unit Install the unit level within 3 degrees m 1 Cooling only Install 4 or more anchor bolts at the 8 locatio
21. as insects enter the electrical component box a short circuit may be caused Tightening torque 0 5 to 0 6 N m 5 to 6 kgf cm 5 0 to 7 0 N m 50 to 70 kgf cm M3 screw M8 screw En 15 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 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 Strip 10 mm SO oO Screw with special washer Ring terminal Sleeve Screw with Cable special washer Ring terminal Ring terminal EHE 7 Terminal block 1 cable Ring terminal M8 Earth Ground cable Cable clamp 90 to 100 mm 70 to 80 mm Use aring terminal to connect the electric cables to the power supply terminal board 2 Connecting the transmission cable
22. 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 PROHIBITED Shorted at root PROHIBITED Shorted at edge PROHIBITED PROHIBITED 6 5 1 Transmission wiring specifications Follow the specifications below for the transmission cable The transmission cable connects indoor units belonging to the same RB group The transmission cable cannot be used to connect indoor units belonging to different RB groups Transmission line Use Wire type Remarks i a Transmission 22 AWG LEVEL 4 NEMA LONWORKS com Refrigerant pipe L cable non polar 2core twisted pair atible cable ai solid core diameter 0 65mm paibecabe NP 7 3 6 5 2 Wiring rules i ves 1 Basic wiring rules MR Sar he Na f Total transmission line length MAX 3600 m A C D E F G H J K N W lt 3600 RB group1 RB group 2 RB group1 RB group 2 Transmi
23. ia a I FUNCTION settings ms First 2 digits Last 2 digits MODE EXIT 4 SELECT Press the ENTER button Y for more than 3 seconds Press the ENTER button Y for more than 3 seconds When F4 to F9 are displayed continue to press the SELECT button until F3 is displayed Settings for starting test run operation For heating operation press the SELECT button until 01 is displayed Ww p G t LY Y Press the ENTER button for more than 3 seconds e This will be E displayed when Et the heating test operation Is complete This will be displayed after 5 seconds SELECT or ENTER Settings for stopping test run operation Neie ia 2 a Press the ENTER button Y for more than 3 seconds Y EXIT This will be dis This will be dis d ajn E played when the d ajn E played when the cooling operation heating operation Y mode is canceled Y mode is canceled N I Aem 1 4 M This will be 2 This will be displayed after displayed after IN 5 seconds a 5 seconds mi MODE EXIT or ENTER After the test operatio
24. length 212 70 mm liquid of 29 52 mm pipe bx0 114 4 liquid pipe b x 0 058 kg m kg m m m kg kg Total length of Total 26 35 mm b liquid pipe x 0 021 kg m m kg kg 3 Calculation of additional charge refrigerant Round up C to 2 decimal place kg 4 Calculation of factory charged amount d d D Outdoor unit1 Outdoor unit2 m 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 E lt 35kg Total amount of refrigerant lt 35kg For 2 outdoor units per refrigerant system E 70kg Total amount of refrigerant lt 70kg For 3 outdoor units per refrigerant system E lt 105kg Total amount of refrigerant lt 105kg lt Calculation gt When there are outdoor units AJ_ 108GALH AJLIA90GALH AJLIA72GALH connected to 1 system 1 Calculation of additional amount for outdoor unit A 3 0 kg 3 0 kg 3 0 kg 9 0 kg 2 Calculation of additional amount for pipe length If liquid pipe piping length is the following 219 05 50m 215 88 25m 212 70 Om 29 52 20m 26 53 15m Additional charge volume B 50 m x0 268 kg m 25 m x0 178 kg m 3 4
25. operating Ge o9 9 After checking that the above items are all in order refer to 9 2 Test operation method to test operation of the unit If there are problems adjust immediately and recheck 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 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 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 than 12 hours before restarting the operation 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 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 d E This will be isplayed when ern the cooling test operation is Y complete Tn afl This will bi is will be displayed after 5 seconds SELECT ENTER Md Y Tn _a
26. sensor error prox 3 0 MPa Drain water is dis E 7 4 1 Outside air thermistor error charged smoothly Check it by pour Outdoor unit sensor E 7 5 1 Outdoor unit suction gas thermistor error ing water through the drain hose error 7 7 1 Outdoor unit heat sink thermistor error Indoor and outdoor unit Check them visu E 2 2 Outdoor unit sub cool heat ex gas outlet thermistor fans are operating ally error Compressor operates after Check the operat E 8 3 1 Outdoor unit liquid pipe thermistor 1 error the indoor unit operates ing sound E 8 3 2 Outdoor unit liquid pipe thermistor 2 error Difference between inlet Measure the inlet and outlet temperatures and outlet temper Temperature difference 10 E 8 4 1 Outdoor unit current sensor 1 error permanent stop is normal atures degrees 8 6 1 Outdoor unit discharge pressure sensor error Check the 7 Error blinking or no error E 8 6 3 Outdoor unit suction pressure sensor error Error is not displayed segment LED code display E 8 6 4 Outdoor unit high pressure switch 1 error indicator E 9 3 1 Outdoor unit inverter compressor start up error E 9 4 1 Outdoor unit trip detection 1 0 D Stat s 9 5 5 Outdoor unit compressor motor loss of synchronization E 9 7 1 Outdoor unit fan motor lock error You can determine the operating status by the lighting up and blinking of the 7 seg
27. 0 34 5 LJ of 43 7 Q 1 d 22 2 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 AJLIA72GALH AJLIA90GALH AJLI108GALH AJLT126GALH AJLT44GALH 100mA 0 1sec or less JA72GALH AJLIA90GALH AJL108GALH AJLT126GALH AJLT144GALH 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 296 Increase the wire diameter when the wire length is long En 13 Fig In case of connected outdoor unit Transmission cable 939 y 1g 50 Hz RB unit ower supply GOOD 3 cable 400 V 30 50 Hz VI s p Breaker di t Breaker m al gm i gm ill m ill Outdoor unit 230 v
28. 1 2 No information from electricity meter No pulse 5 CN135 Orange 3 Power usage information from Pulse electricity meter Slave unit 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 Batch stop or Emergency stop pattern can be selected by outdoor unit PC board push button 2 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 s
29. 1 2 to 13 9 14 0 to 28 0 28 1 to 44 7 44 8 to 56 0 56 1 to 80 0 80 1 to 95 0 95 1 or more 9 52 3 8 9 52 3 8 12 70 1 2 12 70 1 2 15 88 5 8 15 88 5 8 19 05 3 4 19 05 3 4 15 88 5 8 19 05 3 4 22 22 7 8 28 58 1 1 8 28 58 1 1 8 34 92 1 3 8 34 92 1 3 8 41 27 1 5 8 UTP AXO90A or UTR BP090X UTP AX180A or UTR BP180X UTP AX567A or UTR BP567X If the selected pipe diameter based on table E becomes larger than the pipe diameter based on table C please select the pipe whose diameter is equal to the table C Gas pipe of table E should be compared with suction gas pipe of table C If pipe diameter E gt C select pipe size from table C Total cooling capacity of indoor unit is the total value for the cooling capacity of indoor unit connected downstream Table F Between separation tube and indoor unit or RB unit and indoor unit 07 09 12 14 2 2 2 8 3 6 4 0 4 5 18 24 30 5 6 7 1 8 0 9 0 36 45 54 11 2 12 5 14 0 60 18 0 72 90 224 25 0 6 35 1 4 9 52 3 8 9 52 3 8 9 52 3 8 12 70 1 2 12 70 1 2 15 88 5 8 19 05 3 4 19 05 3 4 22 22 7 8 Table G Separation tube Header Separation tube UTP AX090A or UTR BP090X UTP AX180A or UTR BP180X UTP AX567A or UTR BP567X UTP BX090A UTP BX180A UTP BX567A 28 0 or less 28 1 to 56 0 56 1 or more
30. 19 50 Hz power supply cable Indoor unit 4 L power supply y cable Ha ys Asg EL amp jp Remote controller cable 2 Selecting main 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 se breaker Main breaker MA HY 7h f 400V3 50 Hz d Outdoor unit power supply cable 3 Example of bad breaker wiring PROHIBITED unm mm coo 400 V 39 7 50 Hz E Outdoor unit Power supply cable PROHIBITED crossover power supply wiring prohibited 6 5 Transmission line PROHIBITED install a breaker for each outdoor unit 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
31. D ol V MI A Transmission line Refrigerant d H i system 2 I I 1 c 1 14 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 cables without applying excessive tension Cable routing Secure with a binder as shown in the figure below Connecting the power supply Connecting the cable transmission cable T HIejelelele Cable tie Accessory Cable guide Cable clip Cable tie Accessory Power supply Transmission cable routing cable routing Tighten the cable tie firmly so that pulling force does not propagate to the terminal con nection even if force of 100N is applied to the cable Connecting cables to the terminals A 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
32. High power mode 2 0 3 Forbidden 0 4 Set this item when necessary Normal mode 0 0 e Heating capacity Save energy mode 1 2 0 1 12 shift 1 High power mode 1 0 2 High power mode 2 0 3 Set this item when necessary 13 Forbidden 1 3 0 0 e 44 Forbidden 1 4 0 0 e 15 Forbidden 1 5 0 0 e Switching between Batch stop 0 0 batch stop or 2 0 emergency stop 1 Emergency stop 0 1 This mode selects the pattern of the stop function to be operated by the external input terminal CN134 20 Batch stop The stop of all indoor units connected to same refrigerant system due to input signal coming from CN134 Emergency stop When emergency stop is actuated the indoor unit does not accept the operation command from the remote controller On the other hand 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 by the remote controller Snow falling Valid 0 0 e protection fan 7 2 2 22 mode 1 Invalid 0 1 This mode operates the fans of outdoor units in order to prevent the units from stop ping operation when they are covered by snow Interval setting Standard 30 minutes 0 0 e for snow falling Short 1 5 minutes 2 3 0 1 23 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
33. ON Be careful to 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 Fig C Detail of knockout position front Unit mm OS Knockout e hole 10 e UI 7 125 zl 43 199 100 2 5 9 5 3 2 Removing the pinch pipe N WARNING 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 suction gas side and discharge gas side 3 way valves are closed 3 way valves 2 Cutthe end of the liquid side suction gas side and discharge gas side pinch pipe and vent the gas inside the pin
34. T S E 2 2 1 Precautions for using the R410A refrigerant 2 2 Special tools for R410A 2 3 Accessories 2 4 Combinations 2 5 Optional parts INSTALLATION WORK 3 1 Selecting an installation location 3 2 Drain processing 3 3 Installation dimensions 3 4 3 5 Transportation the outdoor unit Installation the unit SYSTEM CONFIGURATION 1 System configuration 2 Pipe selection 3 Protection of pipes 4 4 4 PIPE INSTALLATION 5 1 Brazing Indoor unit pipe connections Piping method Multiple connections PON ELECTRICAL WIRING ates rettet echte petrae ta ester etate Eo 6 1 The precautions of electrical wiring Wiring method 12 Knockout hole Selecting power supply cable and breaker Transmission line Wiring procedure External input and external output ooo OY OD NOORWN FIELD SETTING 1 Field setting switches DIP switch setting Rotary switch setting Push button setting Signal amplifier address setting Indoor unit address setting ii i RB unit address Setting ici ic ciccciscctsessegesccesiaaceseaieqssnsessenctsneuseezssarscestassionets Resistance measurement of transmission cable Measure with breaker eee 22 SSAA ME SU NEM 0 NO 9r ON PIPE INSTALLATION MW isi ioco etii tonat ert cet cepe Re tuba 22 8 1 Sealing tes
35. _AAIRSTAGE e S I I I I I I I I I I AJYA72GALH AJYA90GALH AJY108GALH AJY126GALH AJY144GALH AJHA72GALH AJHA90GALH AJH108GALH AJH126GALH AJH144GALH FUJITSU GENERAL LIMITED INSTALLATION MANUAL OUTDOOR UNIT For authorized service personnel only INSTALLATIONSANLEITUNG AURENGERAT Nur f r autorisiertes Fachpersonal MANUEL D INSTALLATION UNIT EXT RIEURE Pour le personnel agr uniquement MANUAL DE INSTALACI N UNIDAD EXTERIOR nicamente para personal de servicio autorizado MANUALE DI INSTALLAZIONE UNIT ESTERNA A uso esclusivo del personale tecnico autorizzato ETKATAZTAZHZ EZOTEPIKH MONAAA M vo EEOUDIOSOTNHEVO TEXVIK MANUAL DE INSTALACAO UNIDADE EXTERIOR Apenas para t cnicos autorizados YCTAHOBKE KILAVUZU DIS NITE Yalnizca yetkili servis personeli icin PART NO 9378945111 INSTALLATION MANUAL PART NO 9378945111 VRF system outdoor unit CONTENTS 1 2 10 11 SAFETY PRECAUTIONS irte eno pede 1 ABOUT THE UNI
36. al 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 hazardous 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
37. andling 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 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 Master Slave unit unit1 Slave unit2 500 mm or less cl To indoor unit Suction gas pipe ower pipe Discharge gas pipe En 11 6 2 Wiring method The wiring example for RB units outdoor units and indoor units is shown in the figure To other refrigerant circuit outdoor unit
38. ant volume in accordance with the calculation formula indicated below 4 Remove the charging cap and install the charging hose 5 Remove the body caps suction gas pipe discharge gas pipe and liquid pipe 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 pipe Use an M8 hexagon wrench for suction gas pipe and discharge gas pipe f 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 refrigerant 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 AJLIA72GALH AJLIA90GALH AJ L1108GALH AJL1126GALH AJL1144GALH 1 Calculation of additional amount for outdoor unit Total length of Total
39. arts 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 oper ating 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 Avoid installing the unit at places where it will come into contact with animals urine or ammonia The units are not explosion proof and therefore should not be installed in explosive atmosphere Do not use the unit for special purposes such as 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
40. ble range UTP RX01BH UTP RX01CH 18 0 or less 28 0 or less 18 0 or less for 1 branch 56 0 or less Sum total of 4 branches UTP RX04BH In case of 2 RB units connected in series total 8 branches maximum capacity of connectable indoor units is up to 56 0 kW 2 5 2 Outdoor unit branch kit 2 5 3 Separation tube UTP AX090A UTR BP090X UTP AX180A UTR BP180X UTP AX567A UTR BP567X UTP BX090A UTP BX180A UTP BX567A 28 0 or less 28 1 to 56 0 56 1 or more 2 5 4 Header UTR HO906L UTR H1806L UTR H0908L UTR H1808L 28 0 or less 28 1 to 56 0 UTP J0906A UTP J1806A UTP J0908A UTP J1808A 28 0 or less 28 1 to 56 0 En 3 For maintenance purposes do not bury the piping 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 Drain processing The drain water from the base of the outdoor unit may generate during operations Perform drain processing as necessary 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 Provide a central drain pan as necessary Outdoor unit 50mm or more 10mm or more 3 3 Installation dimensio
41. capacity Master 2 Slave C In the case of 3 outdoor units connected O U 3 Slave2 O U 1 O U 2 Master O U Outdoor unit 1 RB RB unit 1 1 1 Indoor unit 1 Cooling only IEEE CU EE i Fig C H1 LU 1 i RB 1 H2 1 LU LU LU H5 1 1 DA Y Allowable pip length actual pipe length Between master outdoor unit and the farthest indoor unit 169 monies Between the first separation tube and the farthest indoor unit 60 m or less Total pipe length 1000 m or less Between outdoor unit and outdoor unit branch kit Between the farthest outdoor unit and the first outdoor unit branch kit 3morless 12 mor less Allowable height difference Between outdoor unit and indoor unit When indoor unit is installed below pUmioniess Between outdoor unit and indoor unit When outdoor unit is installed below Um ondes Between indoor units 15 mor less Between outdoor units 0 5 morless Between RB unit and indoor unit 5morless Between RB units 15 mor less Total refrigerant amount 105 kg or less Outdoor unit capacity Master 2 Slave 1 2 Slave 2 NOTE If the outdoor temperature during cooling operation is expected to be 5 C or less do not install
42. ch pipe End of pinch pipe 3 After all the gas is vented melt the brazing filler metal on connecting part using a torch and remove the pinch pipe 5 3 3 Pipe connection Z 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 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 suction gas and discharge 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 suction gas and discharge gas side with the main pipe Be sure to supply nitrogen when brazing Fig A Joint pipe D 19 9 es Vie Joint pipe B Accessory Joint pipe Field supply Knockout hole H A NC T Suction gas pipe Field supply Discharge gas pipe Field supply Liquid pipe Field supply To RB unit or indoor unit
43. connected set the rotary switch REF AD as shown in the table below Refrigerant circuit address 907 Setting r 63 96 REF AD x 10 REF AD x 1 Rotary Switch REF ADx1 Factory setting Rotary Switch REF ADx10 Factory setting 0 7 4 Push button setting Various functions can be set when necessary Perform settings after all indoor units have stopped operation Table A List of Settings Standard 40 to 65 m 0 0 e Short less than 40 m 0 1 ica set Medium 65 to 90 m 2 00 Long 1 90 to 120 m 0 3 Long 2 120 to 150 m 0 4 Pipe length means the length between master outdoor unit and the nearest indoor unit Normal 0 0 Sequential start 21 sec Delay 0 1 Pra 1 0 shift 1 42 sec Delay 0 2 10 63 sec Delay 0 3 The start up timing of outdoor unit compressor can be set up so that it can delay several seconds This feature is useful when multiple number of outdoor units are installed and turned on at the same time to limit the starting current Normal mode 0 0 it Save energy mode 0 1 ooling capacity y 41 shift 1 High power mode 1 1 1 0 2
44. control LNI 2 hh LIN LIN nnn LIN LN y T E VJ V 7 V Breaker Breaker Breaker Breaker Breaker il DAE 3 BERE LIN LIN LIN LIN LIN Power supply Remote Power supply Remote Power supply Remote Powersupply Remote Power supply Remote 230V 19 50Hz control unit 230V 19 50Hz controller 230V 10 50Hz controller 230V 10 50Hz controller 230V 12 50Hz controller 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 En 12 6 3 Knockout hole Seal the wiring 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 Be careful not to deform or scratch the panel while opening the knockout holes 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 Electric wires can be connected from the front or from the left Knockout holes are prepared so that wiring can be made from 2 different directions Use the knockout holes on the front and the left separately when necessary z ZL LLL WA lt Left view gt lt Front view gt 50 5
45. egulation 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 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 p
46. for which it was unsuccessful will be shown in the last two digits Ee c3 1 1 1 1 i indicator when the 1 main power is turned on 1 MODE EXIT Y i MIT i FII f SELECT Y 1 4 Fle 1 ON SELECT 1 1 T A When F4 to F9 are displayed 3 Continue to press the SELECT i ZNN button until F3 is displayed ENTER BRE Automatic address setting 1 for RB units 1 Y Nle j ri NES i is Press the SELECT button Y SELECT i until 22 is displayed 1 1 4 i e el dis ond p l Press the ENTER button Y A for more than 3 seconds 1 4 i ruin SEEN 1 The number of RB units for which automatic address setting was 1 1 1 1 1 1 1 I 1 1 f 1 1 1 1 ii ij ENTER Y Note Incorrect configuration of 14 the rotary switch RB AD or geuui REF AD on the RB unit PC board or incorrect wiring may MS PM MI estes ne ar el lead to automatic address setting failure Y End Charging cap 7 8 Resistance measurement of transmission cable Measure with breaker OFF Spindle 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 Hexagon Measure the resistance between 2 terminals of a transmi
47. 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 22 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 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 refriger
48. g to the procedures below If no setting is made the factory default setting will be displayed MODE EXIT Press the MODE EXIT button Press the SELECT button ENTER Press the ENTER button N Press the ENTER button for more than 3 seconds 1 FUNCTION Setting First 2 digits Last 2 digits MODE EXIT Y L LED105 LED Flashing L 7 segment LED indicator 104 When F3 to F9 are displayed continue to press the SELECT button until F2 is displayed ENTER _ 2 Setting the first 2 digits L RRESHT 3 Setting the last 2 digits i Continue to press the SELECT button 1 p until the desired number appears at the Y last 2 digits ENTER Er Coe A GU ma rt i Li LLL N i E f 1 Y __ sauer B B B i rf 5 1 f E Y Y l Ft nin Every press of the d e SELECT button will ZUM change the setting 5 number for the first 2 Y SELECT digits i IL i 810103 i E NN 1 E 1 T 1 4 1 a js UN 1 1 d eae
49. gas pipe 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 2 ABOUT THE UNIT 2 1 Precautions for using the R410A refrigerant Pay careful attention to the following points 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 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 composi tion of the gas and liquid pha
50. he height of the side wall Provide installation spaces L1 and L2 in accordance with the table below according to the wall height front side rear side conditions 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 Wall height condition Necessary installation space When H1 is 1500 mm or less When H1 is 1500 mm or more L1 gt 500 mm L1 gt 500 h1 2 mm When H2 is 500 mm or less When H2 is 500 mm or more L2 2 100 mm L2 2 100 h2 2 mm Fig 1 Side view Front Rear zb G mo r1 We N al e Wall Wall Fig 2 Single installation Top view L2 Rear Front L1 30mm or more 10mm or more Fig 3 Multiple installations Top view 30mmor 20mmor 20mmor 10mmor 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
51. i Outdoor unit fan motor temperature error protective ment LED indicator Outdoor unit actuator 9 7 5 action i i error Check the status using the table below E 9 7 9 Outdoor unit fan motor driver abnormal 10 1 Normal operation codes E 9 A 1 Outdoor unit coil 1 expansion valve 1 error E 9 A 2 Outdoor unit coil 2 expansion valve 2 error Description E 9 A 3 Outdoor unit coil expansion valve 3 error Cooling E 9 U 2 Outdoor slave unit error Heating 1 1 Outdoor unit discharge temperature 1 abnormal Duri il ti unng 265 opera n 3 1 Outdoor unit compressor 1 temperature abnormal During defrosting operation During peak cut operation 4 1 Outdoor unit high pressure abnormal During low noise operation E 4 2 Outdoor unit high pressure protection 1 Refrigerant system error During setting of snowfall mode 5 1 Outdoor unit low pressure abnormal 6 3 Outdoor heat exchanger 1 gas temperature abnormal E 6 4 Outdoor heat exchanger 2 gas temperature abnormal 10 2 Error codes E 4 Outdoor unit heat sink temperature abnormal 7 segment LED indicator Mode Code Description OA ACEebrFuHs fue 5 6 Prud d geet 1 3 1 Communication error between outdoor units t E 1 4 1 Outdoor unit network communication 1 error DO i 2 e 3 J 4 5 5 6 7 1 8 H 9 Go Communication error
52. icity meter pulse setting connected to CN135 Forbidden 2 9 0 0 e Setting number 00xx 0 0 e Setting number 01xx Electricit t Level 1 stop 0 0 e SETIA Y meter ose 713 pulse setting 2 3 Level 2 operated at 40 0 1 73 Setting number 98xx 9 8 capacity Setting number 99xx 9 9 Energy saving Level 3 operated at 60 0 2 Set the hundreds digit and thousands digit of the electricity meter pulse setting level setting 1 capacity connected to CN135 53 Level 4 operated at 80 0 3 1 Do not set this for outdoor units with Slave setting capacity 2 When electricity meter No is set to 000 and 201 to 299 the pulses input to Level 5 operated at 10096 0 4 CN135 become ineffective Available setting number is 001 to 200 capacity 3 When the electricity meter pulse setting is set to 0000 the pulses input to The capacity limit can be selected by the external input terminal CN133 when operating with the Energy Saving Peak Cut function The lower the level the more the effect of energy saving but the cooling heating performance will also drop Forbidden 3 2 0 0 e 32 Forbidden 3 3 0 0 e 33 Capacity priority Off quiet priority 0 0 e setting in low 4 0 10 noise mode 1 capacity priority 0 1 If the cooling heatin itis possible to set performance is rest noise mode once performance becomes insufficient when the low no
53. 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 implementing 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 This mark indicates procedures which if improperly performed might possibly result in personal harm to the user or damage to property N CAUTION This unit must be installed by qualified personnel with a capacity certificate for handling refrigerant fluids Refer to r
54. ise mode is set capacity priority that automatically cancels the low ored the mode will automatically return to the low noise mode Low noise mode Off Normal 411 0 0 41 Setting 1 On Low noise mode 0 1 Low noise mode Level 1 55 dB 0 0 e operation level 4 2 42 setting 1 Level 2 50 dB 0 1 The noise level when operating in the low noise mode can be set i On 0 0 e 60 Back up operation 1 6 0 1 Off 0 Forbidden 6 1 0 0 e 61 Forbidden 6 2 0 0 e 62 Forbidden 6 3 0 0 e 63 En 19 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 ON ERROR lamp OFF 7 segment LED indicator OFF MODE EXIT button ENTER button SELECT 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 105 LED104 7 segment LED indicator display 2 Setting method Use the MODE EXIT SELECT and ENTER buttons to configure settings accord in
55. istors take note of the following items D How many network segments are there in a VRF system Q 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 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 1 to Disable Factory setting Enable Figure Terminal resistor setting NS1 Network segment 1 Set terminal resistor at outdoor units Terminal resistor on a Ia an as M Refrigerant system1 err Refrigerant system3 dh m mi El El Master unit 93 Network segment 54 Network F an segment 4 Terminal resister on About the setting of terminal resistor Outdoor unit Master unit B o off Signal amplifier NS2 Network segment 2 1 Install 1 Do not install 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
56. larger than 2m Wall height condition Necessary installation space When H3 is 1500 mm or less L3 2 500 mm L3 gt 500 h3 2 mm L4 2 200 mm L4 2 200 4 2 mm L5 2 200 mm When H5 is 500 mm or more L5 gt 200 h5 2 mm Fig 4 Front Side view Rear n 2 Zy 11 elg LWO m II e LO L3 L4 Wall Wall Fig 5 lt Front view gt Wall Wall Fig 6 Za 4 800mm or more Y Ly 800mm or more x L3 z a x je L5 20mm 20mm or L5 more more Fig 7 lt Top view gt L4 500mm or more 1000mm or more L3 L5 20mmor 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 When installi
57. lling unit refriger ant leakage water leakage electric shock and fire En 1 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 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 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 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 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 Electric
58. mE E 1 4 2 Outdoor unit network communication 2 error E 1 4 5 The number of indoor unit shortage 11 INFORMATION 2 8 1 Auto address setting error Function setting error S E Main contents of label 2 8 4 Signal amplifier auto address error Indoor unit actuator error E 5 U 1 Indoor unit miscellaneous error Item Detail E 6 1 5 Outdoor unit reverse phase missing phase wire error E 6 2 3 Outdoor unit EEPROM access error 1 Model name Model name E 6 2 6 Outdoor unit inverters communication error 2 Serial number Serial number E 6 2 8 Outdoor unit EEPROM data corruption error ae Outdoor unit PCB elec FE 6 13 11 loutdoor unit inverter error 3 Electric characteristics Phase rated voltage and frequency trical component switch Outdoor unit inverter PCB power short interruption 4 Weight Product weight error E 6 7 2 eror i trash Timiti m z 5 Capacit Cooling heating capacity under cooling E 8 2 Outdoor unit rush current limiting resister temp rise E Capacity heating condition refer to item 15 error protective operation 1619 11 Outdoor unit transmission parallel j Electric current during cooling heating communication error 6 Current operation under cooling heating condi tion refer to item 15 Input during cooling heating operation T Input power under cooling heating condition refer to item 15 Maximum electric cur
59. n is complete turn off the power Attach the cover of the electrical compartment box and the front panel of the outdoor unit Note Check that the indoor and outdoor units connected to the same refrigerant system are operating normally When indoor or outdoor units are not operating or when the indoor and outdoor units of other refrigerant systems are operating the indoor outdoor unit address or DIP switch for the number of connected slave units are not configured correctly The system will not operate normally with an incorrect DIP switch setting Stop the system immediately and recheck the DIP switch setting En 24 7 1 1 Outdoor unit discharge thermistor 1 error 7 2 1 Outdoor unit compressor temp sensor 1 error Check description Check method Criteria E 7 3 4 Outdoor unit heat ex 1 gas temp sensor error Cooling low pressure ap E 7 3 5 Outdoor unit heat ex 1 liquid temp sensor error High and low pressure Check it with a prox 0 8 MPa E 7 3 6 Outdoor unit heat ex 2 gas temp sensor error values are normal pressure gauge Heating high pressure ap ESESIESIE Outdoor unit heat ex 2 liquid temp
60. nch kit PROHIBITED GOOD C B GOOD 0 to 10 IE m 0 to 10 PROHIBITED PROHIBITED E Vertical PROHIBITED PROHIBITED PROHIBITED Install the outdoor unit branch kit horizontally level within 0 to 10 so that the refrigerant separates evenly Donotinstall the outdoor unit branch kit vertically 2 Straight pipe length To indoor unit To main pipe t To outdoor unit 37 t To outdoor unit 13 0 5 m or more To indoor unit To main pipe To outdoor unit t t To outdoor unit 0 5 m or more JJ 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 1 Master unit Slave unit Slave unit2 7 Example 2 Master unit Slave unit1 Slave unit2 Example 3 Master unit Slave unit Slave unit2 En 10 N CAUTION ELECTRICAL WIRIN To prevent the oil from settling in the stopped unit install the pipes between the 6 outdoor units so that they are level or are tilted upward to the outdoor units The precautions of electrical wi
61. ng with the REAR of the outdoor unit facing the wall side Condition Necessary installation space When B gt 400 mm L6 2 200 mm When 20 lt B lt 400 mm L6 gt 200 400 B x3 mm En 4 Fig 8 Single installation Top view 100mm i or more lt Rear gt lt Front gt 200 Fig 9 Multiple installations Top view Rear 616 NM 7 Front Nu 200mm B B or more 800mm or more 200mm 200mm 200mm 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 Top view Wall 500mm or more 200mm or more Fig 11 Top view Wall 500mm or more Wall gt 1 200mm 20mmor 20mm 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 Top view E 400mm or more 4 800mm or more 800mm or more Mi NS
62. nit B In case of 2 outdoor units connected may cause noise and vibration Fig B Install vibration proofing materials such as rubber pads O U 2 Consider the removal space of the connection piping when installing the founda Slave tion O U 1 i Secure the equipment firmly with anchor bolts washers and nuts Outdoor unit RB RB unit Fig B LU Indoor unit PROHIBITED GOOD Jj e Bolt M10 1 Cooling only EL 1 o H1 1 4 LU 1 Do not use a four corner support foundation i 1 i RB H2 jli LU LU H5 1 1 LU i t En 6 Allowable pip length actual pipe length Between master outdoor unit and the farthest indoor unit Between the first separation tube and the farthest indoor unit 60 m or less Total pipe length 1000 m or less Between outdoor unit and outdoor unit branch kit 3m orless Allowable height difference Between outdoor unit and indoor unit Whe indoor unit is installed below 50 m or less Between outdoor unit and indoor unit Whe outdoor unit is installed below 40 m or less 15 mor less Between indoor units Between outdoor units 0 5 morless Between RB unit and indoor unit 5morless Between RB units 15 mor less Total refrigerant amount 70 kg or less Outdoor unit
63. nits is displayed 1 1 1 1 NI lt i 1 1 i H Tes 1 1 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 Check that the wiring is as shown in the figure below Operate using the master outdoor unit of each refrigerant system Automatic setting En 20 Fig Wiring example for automatic address setting 1 Signal amplifier wiring example 2 3 Indoor unit wiring example Connect the indoor and outdoor units of the same refrigerant system as shown below 1 Signal amplifier Refrigerant system2 Master unit NOTE The automatic address function can be used for a maximum of 64 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 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 indo
64. ns 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 Pay attention to the specifications of the installation space as shown in the figure 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 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 N CAUTION 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 distributing agent as it may affect the performance due to short circuit and other problems 3 3 1 When install near by limited height wall 1 Single and multiple installations There are no restrictions on t
65. ns indicated by arrows Fig A J it 1 Place the left and right anchor bolts at a distance further away than the dimensions of A in the Table i Excluding the case where anchor bolts are installed at 8 places 4 M 1 Fig A Unit mm I 1 1 H2 Hole 12 x 17 8 places LU Allowable pip length actual pipe length Between master outdoor unit and the 165 m or less atf farthest indoor unit Table A Between the first separation tube and the B 60 m or less f p farthest indoor unit Total pipe length 700 m or less Total AJLIA72GALH 610 930 Allowable height difference AJLIA90GALH 610 930 Between outdoor unit and indoor unit When i Rio 50 morless AJL1108GALH 610 930 indoor unit is installed below T Between outdoor unit and indoor unit When a miorlese AJL1126GALH 920 1240 outdoor unit is installed below AJTMAAGALH 920 1240 Between indoor units 15 mor less H2 H3 Between RB unit and indoor unit 5 m or less H4 To minimize vibration do not install the outdoor unit directly on the ground Between RB units 15 mor less H5 Instead install it on top of a firm platform such as concrete block Fig B The foundation base should be able to support the product and the foot width of Total refrigerant amount 35 kg or less the product should be more than 46 5mm Depending on the installation condition vibration during the operation of the u
66. o 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 and ENTER buttons on the outdoor unit PC board to configure settings according to the procedures below 1 FUNCTION Setting First 2 digits Last 2 digits 1 1 1 The indicator when the 1 main power is turned 1 Ys i Fi I i SELECT 1 Y i I _ 4 i Fe f SELECT 1 Y i N I 7 1 When F4 to F9 are displayed 1j i continue to press the SELECT button until F3 is displayed gfe ies EEE t A LE eel wee Ot ee ins Automatic address setting Y for signal amplifiers 1 4 I 1 l m gt i Press the SELECT button until 10 is displayed Mb ur tat 1 t 1 1 1 ENTER 77 Press the ENTER button for Y A more than seconds o Sta 1 4 IIN 1 1 I Setting is complete when the number of u
67. or 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 1 FUNCTION Setting First 2 digits Last 2 digits The indicator when the main power is turned on MODE EXIT When F4 to F9 are displayed continue to press the SELECT button until F3 is displayed m m d osse es ee Automatic address setting for indoor units Y ni the SELECT butt til ress the utton unti Y SELECT 11 is displayed l ilij 440 VENTER Press the ENTER button Y 2 ZA for more than 3 seconds N I I rar Y The number of indoor units with normal set tings will be displayed at the first 2 digits of H 5 the 7 segment LED indicator The number of indoor units with error will be displayed ENTER at the last 2 digits Y NOTE After the ENTER button is pressed the end processing will occu
68. p f 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 B In case of connected many outdoor units Outdoor unit Outdoor unit inside of the pipes if rain might enter the pipes during work etc Pressure regulating valve After operating the vacuum pump for 2 hours pressurize to 0 05 MPa i e Pressure gauge vacuum breakdown with nitrogen gas then depressurize down to 100 7kPa 5 Pa 755mmHg for an hour using the vacuum pump vacuum process If the pressure does not reach 100 7kPa 755mmHg even after depressurizing Nitrogen 77 for at least 2 hours repeat the vacuum breakdown vacuum process x After vacuum process maintain the vacuum for an hour and make sure the pres L a R410A sure does not rise by monitoring with a vacuum gauge L O9 O i Evacuation procedure RB unit Vacuum Scale 1 Remove the caps of the gas pipe and liquid pipe and check that the valves are Indoor unit pump closed Remove the charging cap 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
69. pecifications Error status Master unit only This output indicates 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 Connector Output voltage Status ov Normal CN136 Black DC 12 to 24 V Error 0v Stop CN137 Blue DC 12 to 24 V Operation En 16 1 DC power supply External 12 to 24 V 1 1 1 Connected load Operation Indicator or Error Indicator 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 T Polarity is for pin 1 and for pin 2 Connect correctly Do not impress a voltage exceeding 24 V across pins 1 2 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 Base heater 9 Cable
70. power cable use extension cable or branch wiring Improper use may To indoor unit 72 cause electric shock or fire by poor connection insufficient insulation or over current b Non installable patterns Make sure to secure the insulation portion of the connector cable with the cord i clamp A damaged insulation can cause a short circuit PROHIBITED Master Slave i Slave iiid ee condenser Instead of improving the power factor unit unit 1 unit 2 y To indoor unit Before servicing the unit turn the power supply switch OFF Then do not touch elec tric parts for 10 minutes due to the risk of electric shock 1 Always use a separate power supply line protected by a circuit breaker operating on ll all cables with a distance between contact of 3 mm for this unit PROHIBITED Master Slave Slave unit 1 unit 2 Use crimp type terminals and tighten the terminal screws to the specified torques l li otherwise abnormal overheating may be produced and possibly cause serious dam age inside the unit To indoor unit i Securely install the electrical box cover on the unit An improperly installed service panel can cause serious accidents such as electric shock or fire through exposure to dust or water Slave unit 2 If the supply cable i
71. r for A eI Oo about 30 seconds During this period the A 7 segment will blink Y End En 21 7 7 RB unit address setting N CAUTION After the address configuration is complete for the indoor and outdoor units as well as for the signal amplifier configure the RB unit address settings 7 7 1 RBunitaddress setting Address must be set for the RB unit Check the wiring Refer to 6 5 Transmission Line Manual setting When setting with the switch inside the RB unit refer to the RB unit installation manual Automatic setting using the master outdoor unit of each refrigerant system 7 7 2 Procedures to enable automatic address setting on RB units Check that the rotary switch REF AD and RB AD on the RB 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 RB units 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 1 FUNCTION Setting First 2 digits Last 2 digits successful will be shown in the first two digits The number of RB units
72. rent temperature 8 Max Current condition is max cooling condition refer to item 16 9 Air circulation Air circulation 10 Noise level Noise level En 25 Item Detail 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 temperature under standard cooling heating condition 16 Condition of max cooling Dry bulb temperature and wet bulb temperature at maximum electric cur rent 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 Label X xA 26
73. rioration of refrigerant oil For brazing material use phosphor copper that does not require flux 5 2 Indoor unit pipe connections 2 For details refer to the Installation Instruction Sheet of each part Separation tube Horizontal p Ah BA Vertical A or 15 C gt Horizontal line GOOD V A Outdoor unit or Refrigerant branch kit B Indoor unit or Refrigerant branch kit S f 777 ZEE 7777777777777777 PROHIBITED Header Gas pipe Horizontal line Outdoor c Horizontal unit side gt 3 Das TI SF ine d VIEW C Horizontal Vertical line Liquid pipe Outdoor p unit side gt line H 0 to 10 mm a1 0 to 1 10 to 10 H 0 to 10 mm az 0 to 1 Bz 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 En 8 0 5 separation tube To indoor J J unit gt To indoor unit or Header Main pipe 0 5 m or more LI ORC To indoor unit To indoor unit 0 5 m or more Separation tube II To indoor 13 Cn unit or Header 0 5 m or more TARRE To indoor unit 5 3 Piping method 5 3 1 Opening the knockout hole N CAUTI
74. s damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard PROHIBITED Master unit To indoor unit Z CAUTION 2 If the 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 The primary power supply capacity is for the air conditioner itself and does not include the rise for gas pipe Discharge gas pipe and Suction gas pipe should be arranged i concurrent use of other devices 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 Connect the power cables in positive phase sequence If they are connected in the master unit and the indoor unit even if the length exceeds 2m negative phase sequence an error will be displayed If there is a missing phase con nection 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 Master Slave Slave in unit unit 1 unit 2 Do not use crossover power supply wiring for the outdoor unit If the electrical power is inadequate contact your electric power company
75. ses 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 conven tional R22 gauge To prevent erroneous mixing of other refrigerants the diameter of each port has been changed It is 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 To increase pressure resistance the hose material and Charging hose base size were changed Joint pipe A Large Straight type Joint pipe Large L type Joint pipe for Discharge gas pipe Joint pipe C Small Straight type Joint pipe D Small L 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 JA72GALH LIA90GALH 1108GALH 126GALH 144GALH En 2 Space saving combination When connecting outdoor units install the outdoor unit with the largest nominal system capac ity nearest to the refrigerant pipe and indoor unit followed by those with lesser nominal system capacities Outdoor unit 1 2 Outdoor unit 2 2 Outdoor unit 3 Energy saving combination
76. ssion cable wrench 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 Table A 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 9 0 to 12 0N m 20 0 to 24 0 Nm 12 5 to 16 0 Nm 90 to 120 kgf cm 200 to 240 kgf cm 125 to 160 kgf cm Suction gas 27 0 to 33 0 Nm 25 0 to 30 0 N m 12 5 to 16 0 Num Discharge gas 270 to 330 kgf cm 250 to 300 kgf cm 125 to 160 kgf cm Liquid 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 termination resistor m 0 100 200 300 400 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 sealing test and charging of the refrigerant gas have been completed
77. ssion line length between each unit MAX 400 m GOOD PROHIBITED Transmission line length between outdoor units in a refrigerant system MAX 18 m L lt 18m M lt 18m Transmission line Be sure to set 1 terminal resistor in a network segment Di Refrigerant pipe a RB unit RB unit multi type multi type 9 Gli L M i t i Transmission line RB RB RB RB RB 7 group1 group 2 group 3 4 group1 group 2 group 3 4 lel GOOD PROHIBITED l l System controller ie E d A a to b If there are more than 321 units 1 within the network system a signal amplifier 4 1 7 V 4 with the filter mode on must be installed between the master outdoor units See Terminal registor pg Ga the Signal Amplifier Installation Manual and Design amp Technical Manual for more C D information m RB unit 5 o co EH Y 9 Indoor unit F am LI PA Touch panel controller e ipd ilter mode on 2 In the following cases Signal Amplifier is required N n When the total length of the transmission line exceeded 500 m A C D E F G H J K N gt 500 m z When the total number of unit is over 64
78. t 8 2 Vacuum process 8 3 Additional charging 8 4 Installing insulation iieri etit rettet tinte TEST RUN d e 24 9 1 Pre test run check items 9 2 Testoperation method m EMIT I LED Status 225 10 1 Normal operation codes 25 10 2 Error codes 25 INFORMATIQN tier tette e 25 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 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 Z WARNING This mark indicates procedures which if improperly performed might lead to the death or serious injury of the user 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 fa
79. 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 selection 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 En 7 Master Slave Slave unit unit1 unit2 Pipe size table A Pipe size table B Outdoor unit branch kit Optional Separation tube Optional Pipe size table C B RB single type RB multi type Pipe size table D Pipe size table E L LAL Pipe size table F Wall thickness and pipe material for each diameter 9 52 12 70 15 88 22 22 28 58 34 92 41 27 0 8 0 8 0 8 1 0 12 1 0 1 0 12 143 COPPER COPPER JIS H3300 C1220T O or equiva JIS H3300 C1220T H or lent equivalent 1 Allowable tensile stress 2 33 N mm 2 Allowable tensile stress gt 61 N mm 8 Endurance pressure of the pipes 4 2MPa Please select the pipe size in accordance with local rules Table A Between outdoor unit and outdoor unit branch kit 12 70 1 2 15 88 5 8 22 22 7 8 12 70 1 2 19 05 3 4 22 22 7 8
80. tion 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 strength en heat insulation of refrigerant pipe 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 cables 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 suction gas pipe discharge 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 mal functions U 9 2 Test operation method Be sure to configure test run settings only when the outdoor unit has stopped
81. 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 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 opening space Lifting by forklift Fig C When using the forklift to lift the unit pass the forklift arms through the opening When installing piping from the space as shown in below bottom of the outdoor units the Front Bottom of the wooden delivery pallet required space under the outdoor Side Space between pallet and cabinet unit 2 200mm Enable to remove the pallet from cabinet Install the branch kit horizontally Becareful not to damaged 200 mm or more 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
82. 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 appropriate 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 even if the drain water is discharged from the unit Otherwise 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 allowa

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