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17. Operation of the unit

1 5

18. Caution for refrigerant leaks

18.1  Introduction

N

5

5

1

N

N

N

18.2  Maximum concentration level

N

N

N

1

2

5

N

3

2

1

18.3  Procedure for checking maximum concentration

N

N

N

 

N

NOTICE

A

B

N

1

2

3

5

N

1

2

Summary of Contents for RXQ6AYM

Page 1: ...5 4 0 5 4 0 5 4 0 5 4 0 8QLW PP 17 5 2 281 7 21 2 7 2 6 27 17 5 2 281 7 21 2 7 2 6 27 17 5 2 281 7 21 2 7 2 17 5 2 281 7 21 2 7 2 17 5 2 281 7 21 2 7 2...

Page 2: ...5 4 0 8QLW PP 17 5 2 281 7 21 2 7 2 6 27 17 5 2 281 7 21 2 7 2 6 27 17 5 2 281 7 21 2 7 2 17 5 2 281 7 21 2 7 2 17 5 2 281 7 21 2 7 2...

Page 3: ...5 4 0 5 4 0 5 4 0 8QLW PP 17 5 2 281 7 21 2 7 2 6 27 17 5 2 281 7 21 2 7 2 6 27 17 5 2 281 7 21 2 7 2 17 5 2 281 7 21 2 7 2 17 5 2 281 7 21 2 7 2...

Page 4: ...5 4 0 5 4 0 5 4 0 5 4 0 5 4 0 5 4 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4...

Page 5: ...Accessing the push buttons on the logic board 28 13 2 Operating the push buttons and DIP switches on the logic board 28 14 Charging refrigerant 30 14 1 Precautions 30 0 14 2 Calculating the additiona...

Page 6: ...of life Failure to observe these instructions properly may result in property damage or personal injury which may be serious depending on the circumstances 2 1 2 Meaning of used terms Installation man...

Page 7: ...to the air conditioner Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may result in electric shocks or fire While following the instructions in this installat...

Page 8: ...nit Single unit Single unit Single unit Single unit Single unit Single unit Single unit Multi unit Multi unit Multi unit Multi unit Multi unit Multi unit Multi unit Multi unit Multi unit Multi unit Mu...

Page 9: ...22P100 BHFP22P151 4 2 Option accessory To install the outdoor units the following optional parts are also required To select an optimum kit refer to 9 3 Selection of refrigerant branch kits Refrigeran...

Page 10: ...F R4T 13 15 16 14 8 7 6 4 5 3 9 10 1 9 3 8 7 12 4 5 6 13 14 15 16 1 10 5 2 Main components in the unit For all the models a piping diagram and outlook drawing are available Depending on the model type...

Page 11: ...switch HPS R22T Compressor INV2 R9T S1NPL Low pressure sensor SENPL Filter R3T Filter Electronic Expansion Valve Y4E Refrigerant Auto charge port Gas Pipe 7 6 4 5 3 9 1 10 11 9 2 16 15 14 Liquid pipe...

Page 12: ......

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Page 14: ...RI WKH IRXQGDWLRQ PXVW DW OHDVW EH PP IURP WKH IORRU 7KH XQLW PXVW EH LQVWDOOHG RQ D VROLG ORQJLWXGLQDO IRXQGDWLRQ VWHHO EHDP IUDPH RU FRQFUHWH DQG PDNH VXUH WKH EDVH XQGHU WKH XQLW LV ODUJHU WKDQ WKH...

Page 15: ...WKH UHIULJHUDQW SLSLQJ VL H FKRVHQ E WKH JHQHUDO system model name DPSOH RZQVWUHDP FDSDFLW IRU FDSDFLW LQGH RI XQLW RZQVWUHDP FDSDFLW IRU FDSDFLW LQGH RI XQLW FDSDFLW LQGH RI XQLW Outdoor unit capacit...

Page 16: ...DQ EH H WHQGHG XS WR P 53 0 53 0 53 0 53 0 53 0 3 9 3 Selection of refrigerant branch kits Refrigerant REFNETS RU SLSLQJ H DPSOH UHIHU WR 6HOHFWLRQ RI SLSLQJ VL H KHQ XVLQJ 5 1 7 MRLQWV DW WKH ILUVW E...

Page 17: ...rposes 9 4 2 System only containing VRV indoor units System setup Maximum allowable length Between outdoor and indoor units refer the recommend combination type in Engineering data book Branch with RE...

Page 18: ...P1 6 i j g b d A B 7 k l BP2 5 4 3 2 1 H2 H6 DPSOH D P Maximum allowable height difference Maximum allowable length after branch 7KH SLSH OHQJWK IURP WKH ILUVW UHIULJHUDQW EUDQFK NLW WR WKH LQGRRU XQL...

Page 19: ...iping always referring to the installation manual delivered with the kit 9 5 2 Possible installation patterns and configurations The piping between the outdoor units must be routed level or slightly u...

Page 20: ...U WKH PDFKLQH DPSOH SDVVLQJ SLSLQJ RXW WKURXJK WKH IURQW 8VH FOHDQ SLSHV RQO ROG WKH SLSH HQG GRZQZDUGV ZKHQ UHPRYLQJ EXUUV RYHU WKH SLSH HQG ZKHQ LQVHUWLQJ LW WKURXJK D ZDOO VR WKDW QR GXVW RU GLUW H...

Page 21: ...LQVWUXFWLRQV LQ SURFHGXUH EHORZ SURSHUO PD UHVXOW LQ SURSHUW GDPDJH RU SHUVRQDO LQMXU ZKLFK PD EH VHULRXV GHSHQGLQJ RQ WKH FLUFXPVWDQFHV 1 HIW VLGH FRQQHFWLRQ 2 URQW FRQQHFWLRQ 3 5LJKW VLGH FRQQHFWLR...

Page 22: ...SRQVLELOLW RI WKH LQVWDOOHU ILHOG SLSLQJ WARNING I WKHUH LV UHVLGXDO RLO RU JDV LQ WKH YDOYH SLSLQJ UHPRYLQJ WKH IODWWHQHG SLSH ODUJH FDQ FUDFN WKH VKXWRII YDOYH DQG LQMXUH KXPDQ ERG GXH WR WKH IODPH...

Page 23: ...2 3 4 5 1 2 3 4 10 3 3 Cautions on handling the stop valve cover 7KH VWRS YDOYH FRYHU LV VHDOHG ZKHUH LQGLFDWHG E WKH DUURZ 7DNH FDUH QRW WR GDPDJH LW IWHU KDQGOLQJ WKH VWRS YDOYH PDNH VXUH WR WLJKWHQ...

Page 24: ...nstallation of refrigerant piping leak test vacuuming after electrical installation is done on any indoor or outdoor unit N N N N N N N N N NOTICE NOTICE N N NOTICE N N N 10 4 4 Setup 1 2 3 4 N 5 6 7...

Page 25: ...N N INFORMATION NOTICE N N N Ambient temperature Humidity Minimum thickness 12 Electrical wiring work 12 1 Precautions on electrical wiring work WARNING NOTICE N N N N DANGER Electrical shock 2 Press...

Page 26: ...N 2 3 4 5 6 7 8 12 3 Opening and closing the electrical component box 1 2 3 N 4 5 X O CAUTION T N N 1 2 4 4 4 3 2 7 7 8 8 3 6 6 6 8 5 5 5 1 8 8 8 8 8 RXQ14 20 RXQ6 12 6x 2x 1 2 3 4 5 WARNING N T N T T...

Page 27: ...ard Model Minimum circuit am Model pere R Wire ecommended f Size uses 12 5 Routing N 12 5 1 Transmission wiring routing Rules for transmission wiring routing NOTICE N 1 2 3 4 5 6 7 8 A B 1 1 1 A B 2 2...

Page 28: ...1 T 2 3 4 5 6 NOTICE N 1 2 3 4 5 RXQ6 12 N N N N 8 2 1 6 7 6 6 4 5 4 3 3 6...

Page 29: ...t and left side a Knockout hole has to be removed Close the hole to avoid small animals or dirt from entering Front side In order to route the power supply from the front side the available knockout h...

Page 30: ...3 4 12 6 Connection 12 6 1 Connection of transmission wiring to the system In case of single outdoor unit installation In case of multi outdoor unit installation 1 2 3 4 5 6 4 4 5 6 2 3 1 1 2 3 4 5 6...

Page 31: ...fect correct operation of other units connected to the same earth When connecting the power supply the earth connection must be made before the current carrying connections are established When discon...

Page 32: ...e push buttons and DIP switches on the logic board 13 2 1 Operating the push buttons T Functions of the push button switches which are located on the outdoor PCB A1P N N INFORMATION 1 2 BS1 BS2 DS1 DS...

Page 33: ...Accessing modes Access mode 1 Access mode 2 Mode 1 T N N N N INFORMATION N Mode 2 T T T N N N T 13 2 2 Operating the DIP switches What to do with DIP switch DS1 1 2 4 What to do with DIP switch DS2 1...

Page 34: ...rging refrigerant When the refrigerant system is to be opened refrigerant must be treated according to the applicable legislation DANGER Electrical shock See 2 General safety precautions 14 2 Calculat...

Page 35: ...ls exclusively for R410A to ensure required S L QF QG R S Q R L Q P L O RP PL LQ 6 L RF LRQ R O R PR LQ R P LRQ R LQ L F S T w S S T w S GRw SR 6 888 6 R PR Q t01 S T t02 S FRQ RO t03 waiting for stab...

Page 36: ...LQGLF LRQ R R GRR QL L QR P O QF LRQ R S E RQ L F LF ORF G RQ R GRR P O QF LRQ FRG L S Q 0 O QF LRQ FRG OL 0 OO FRQQ F G LQGRR QL FR QL G OR RQ S Q O E R Q L Q F RS LRQ L F G L R RQ S Q O F G QL F QQ...

Page 37: ...Action 5 N N N N N Checks after adding refrigerant NOTICE N 15 Monitoring function and field settings 1 N N N N N N N 15 1 Mode 1 N 1 The master unit should be used to input field settings in mode 2 3...

Page 38: ...Value 2 11 Meaning Level N N N 5 15 2 Mode 2 95 95 5 Value 2 8 Te target 95 95 1 1 N N...

Page 39: ...959 5 N N 959 1 5 959 9 5 3 3 9 5 9 1 95 9 N 3 3 9 9 9 3 9 3...

Page 40: ...our main operation methods are available Basic N 959 Automatic for VRT control N Hi sensible 15 3 2 Several comfort settings are available in VRT control 95 N Automatic for VRT smart control N 15 3 En...

Page 41: ...INFORMATION N NOTICE CAUTION N 1 N DANGER Do not touch piping and internal parts DANGER Electrical shock INFORMATION 1 5 N N D during power supply ON and after power supply OFF suddenly ANGER Do not t...

Page 42: ...KH PDOIXQFWLRQ FRGH DQG UHWU RSHUDWLRQ 7KH PDOIXQFWLRQ FRGH ZKLFK LV GLVSOD HG RQ WKH RXWGRRU XQLW ZLOO LQGLFDWH D PDLQ PDOIXQFWLRQ FRGH DQG D VXE FRGH 7KH VXE FRGH LQGLFDWHV PRUH GHWDLOHG LQIRUPDWL R...

Page 43: ...lfunction R21T short circuit A1P X19A Check connection on PCB or actuator 18 24 30 Discharge temperature sensor malfunction R22T open circuit A1P X19A Check connection on PCB or actuator circuit A1P X...

Page 44: ...03 Malfunction code System test run not yet executed system operation not possible Execute system test run 10 Malfunction code System refrigerant auto charge run not yet executed Execute auto charge...

Page 45: ...unit 1 5 18 Caution for refrigerant leaks 18 1 Introduction N 5 5 1 N N N 18 2 Maximum concentration level N N N 1 2 5 N 3 2 1 18 3 Procedure for checking maximum concentration N N 1 N N NOTICE 2 A B...

Page 46: ...Outdoor unit Outdoor unit 8QLWV FDQ EH DGGHG E FRQQHFWLQJ WKHP GLUHFWO WR WKH 5 1 7 KHDGHU RU 5 1 7 MRLQW XUWKHU EUDQFKHV FDQQRW EH LQFOXGHG LQ WKH V VWHP EHOR WKH 5 1 7 KHDGHU EUDQFK 1RWHV KHQ WKH FD...

Page 47: ...H PP f f f f f f f f f f f RLQWV P 5 1 7 RLQW P 5 1 7 HDGHU P KHQ WKH HTXLYDOHQW SLSLQJ OHQJWK LQ FRROLQJ RSHUDWLRQ LV FDOFXODWHG WKH JDV SLSH VL H LV VHOHFWHG KHQ WKH HTXLYDOHQW SLSLQJ OHQJWK LQ KHDW...

Page 48: ...size of the selected eld piping is di erent from that of branch pipe then the connecting section should be cut with a pipe cutter as shown in the gure below KHQ RX DUH FXWWLQJ DQ LQOHW RU RXWOHW SLSH...

Page 49: ...de of the liquid pipe header XW WKH VHFWLRQ LWK D SLSH FXWWHU DV VKR Q EHOR DQG FRQQHFW LW WR WKH VHFWLRQ Connect the ared section of the eld pipe to the B section LW WKH EUDQFK SLSH VR WKDW WKH EUDQF...

Page 50: ...5 1 7 RLQW UDQFK LW 53 7 53 7 C D3K05234B Unit mm Unit mm...

Page 51: ...53 7 53 7 C D3K05236B Unit mm Unit mm...

Page 52: ...53 7 53 7 53 7 53 7...

Page 53: ......

Page 54: ...1 6625 5 8 5 68 7 21 6 6 SFV 48 6 SFV 3 1 3 3 VHW 168 7 21 VHW 167 7 21 0 18 Unit mm SUCTION GAS SIDE LIQUID SIDE INSULATION INSULATION INSULATION INSULATION ACCESSORY REDUCER SUCTION GAS SIDE 3 pcs L...

Page 55: ...ESSORY REDUCER SUCTION GAS SIDE 2 pcs LIQUID SIDE 3 pcs PINCHED PIPE 1 set INSULATION 1 set INSTALLATION MANUAL Unit mm SUCTION GAS SIDE LIQUID SIDE INSULATION INSULATION ACCESSORY REDUCER SUCTION GAS...

Page 56: ...53 0 53 0 53 0 53 0...

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Page 58: ...5HGXFHU 53 0 73 53 0 3...

Page 59: ...2XWGRRU 8QLW 0XOWL RQQHFWLRQ 3LSLQJ LW 3 3 3D052312 Unit mm Gas side Unit mm Liquid side...

Page 60: ...3 3 3D052314 Unit mm Gas side Unit mm Liquid side...

Page 61: ...3 3 3 3...

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Page 80: ...FDOFXODWH WKH YROXPH RI DV D VLQJOH URRP RU DV WKH VPDOOHVW URRP KHUH WKHUH DUH QR VPDOOHU URRP GLYLVLRQV Where there is a room division but there is an opening between the rooms su ciently large to...

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