Hokkaido HCNL 821 XMR Service Manual Download Page 58

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3.7.4 Defrosting operation flow chart

eginning

ixed frequency

ndicated FQY

60s

efrosting FQY 80 Hz

（

）

60s

Soft

startup

compressor

0HZ 0HZ

utdoor motor ON

end defrosting signal to indoor

Auto

OFF

4-way valve ON

OFF

Spray valve SV2 OFF

450-pulse 450-pulse

350-pulse(E)

ll EEVs

uto open angle

ll indoor motors ON

OFF

nti-cold air function

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Summary of Contents for HCNL 821 XMR

Page 1: ...MULTI FRIENDLY Air Conditioning Systems Cassette type Indoor Units HTFL 261 XMR HTFL 351 XMR HTFL 411 XMR HCNL 821 XMR Outdoor Unit HTFL 531 XMR SERVICE MANUAL ...

Page 2: ... 2 ...

Page 3: ...ge of Air Conditioners Working temperature range Rated Maximum Minimum Indoor DB 27 32 18 WB 19 23 14 outdoor DB 35 43 10 Cooling WB 24 26 6 Indoor DB 20 27 15 WB 14 5 outdoor DB 7 24 15 Heating WB 6 18 Climate type Type of Air Conditioner Cooling Only 18 43 Heat pump 7 43 Electricity Heating 43 T1 3 ...

Page 4: ...ient to maintain The cassette indoor unit adopts the panel whose dimension is identical to that of ceiling after installation the unit will be accordant with the decoration decor Adopt the much friendlier refrigerant R410A The air conditioner system adopts the greatly friendly refrigerant R410A which is protective for the ozone layer and is good to avoid the earth getting warmer Benefit for the en...

Page 5: ...for building management Weekly timing function if connected with a detector and a weekly timer Adjustable heating temperature compensation In heating and in cooling mode the temperature compensation can be adjusted by the infrared remote controller If you do not want the compensation you can set the compensation as 0 C factory setting Optional wired controller YR E12 The wired controller YR E12 ca...

Page 6: ...han outdoor unit 15 indoor unit higher than outdoor unit 25 60 58 74 89 Piping Refrigerant R410A 2 6 40 20 Pipe 4 Φ6 35 4 Φ9 52 Defrosting method Automatic by reversible cycle Crankcase heater power 35 Dimension L W H 1068x340x830 1100x440x979 Refrigerant control method EEVs about 4000 Heat exchanger TP2M 7 0 about 0 75 Outdoor unit Compressor TNB220FLBM1 MITSUBISHI ELEC 670CC Twin Rotary DC inver...

Page 7: ...740 750 115 2 8 4 8 2 8 4 8 17 20 17 20 Piping R410A R410A Pipe 6 35 6 35 9 52 9 52 Electricity Heater 41 39 38 44 40 37 PMV on outdoor Fresh air hole dimension 100 100 570 570 260 718 680 380 718 680 380 PVC 32 26 o d I d PVC 32 26 o d I d 670 600 550 Heat exchanger 7 7 about 0 273 about 0 273 cooling 6 7 heating 43 60 CENTRIFUGAL 1 650 570 520 750 650 540 80 80 Running current Fan CENTRIFUGAL 1 ...

Page 8: ... 740 750 115 740 750 115 2 8 4 8 2 8 4 8 19 23 5 19 23 5 Piping R410A R410A Pipe 6 35 6 35 12 7 12 7 Electricity Heater 44 40 37 44 40 37 EEV on outdoor unit Fresh air hole dimension 100 100 570 570 260 718 680 380 718 680 380 PVC 32 26 o d I d PVC 32 26 o d I d 670 600 550 Heat exchanger 7 7 about 0 273 about 0 273 cooling 6 7 heating 43 60 CENTRIFUGAL 1 750 650 540 750 650 540 90 90 Running curr...

Page 9: ...measured in the third octave band limited values using a Real Time Analy ser calibrated sound intensity meter It is a sound pressure noise level For the detailed method please refer to the following information Installation state the unit should be placed on the flat floor or be mounted in horizontal direction Testing method Built in ceiling unit Note is the real time analyser position 1 4m 9 ...

Page 10: ...3 0 9 2 a 4 549 9 9 2 7 95 04 5 9 9 4 204 3 9 5 c 4 4 3 049 4 4 4 7 6 07a 22 2 7 95 4 2 09c k54 9 6 9 fingers o7 4 59 7 9 04 8 0495 9 042 9d5 92 9 4 8 04 25 7 02 9 54 090b 54 7 08 04 56 7 9054 j 22 9 2 7 95 9 1 3 8 7 8 95 67 49 9 7 70 7 49 753 2 104 c Tsep_d kbb Jj oq_d _ oa pk _kjpejqa qoejc pda en _kj epekjan sehh i ca pda _kj epekjan j i u _ qoa aha_pne_ h odk_g kn bena d v n 1 Jj_knna_p i ejpa...

Page 11: ...2 4 542 9 7 65 7 8 662 08 9 5 95 1 6 753 8 5 1 57 79c This may cause electrical shock j544 9 79 04 07 c F npdejc sena odkqh jkp a _kjja_pa pk pda c o lela s pan lela hecdpjejc nk kn ldkja heja ej_knna_p a npdejc i u _ qoa odk_g1 z8 08 7 606 577 92 95 48 7 0 0 49 08 7 c Incorrect pipe usage may cause water ha gejc1 h07 54 09054 7 4 9 0489 22 04 9 4 07543 49 09 04 2 33 2 8 8c Uda ejbh ii ha c oao ja...

Page 12: ...UX TQZ LQSMTYQUT8 9SS 7KMQRQTO UVMTQTO LQSMTYQUT8 99SS 7VITMR LQSMTYQUT8 9SS 7QTLUUX TQZ LQSMTYQUT8 9SS 7KMQRQTO UVMTQTO LQSMTYQUT8 99SS 7VITMR LQSMTYQUT8 GFEH D B 9 A9 Fresh air hole Suspension bolt 9SS 9SS 9SS Overlapped distance between the ceiling and the panel 25mm Ceiling Panel Cassette units HTFL 261 351 411 531 XMR 12 ...

Page 13: ...15 19 7 1 15 6336 15 91 165 51 Jb pda oqllhu _kn eo i ca ep iqop a nalh _a u pda oanre_a cajp kn oeieh n mq hebea lanokj1 61 Jb pda bqoa kj QD k n eo nkgaj lha oa _d jca ep sepd pda pula kb U6148B 2583WBD1 Dkkhejc Ia pejc Jj kkn Outdoor S pa N teiqi Nejeiqi 5 65 4 4 56 47 68 76 43 57 59 9 53 5 48 4718 00 00 57 048 9 4 00 EC D XC D EC D XC D Jj kkn Outdoor EC D XC D Nk ah I38SO0G 5Y 31 80418 ii5 HU...

Page 14: ...ssure 2 24 hours later check if the pressure in the pipe has reduced 1 Do not connect the power supply 1 Use piping material of the specified thickness 2 Do not use dirty pipe 3 Always flow nitrogen during welding work hand over trial running and adjustment maintenance panel installation gas leakage check additional refrigerant charging evacuation and drying leakage test refrigerant piping connect...

Page 15: ...s test Gauge manifold Charging hose Vacuum evacuation and refrigerant charging operation check Air tightness test Refrigerant additional charging Vacuum pump with adapter Vacuum drying Electronic scale Gas leakage detector Gas leakage test Refrigerant additional charging Work precautions Refrigerant check Before work check the used refrigerant and prepare materials matched to the refrigerant Refri...

Page 16: ...j kkn qjep eiia e pahu bpan ejop hh pekj1 6 Jjop hh oqolaj ejc khp Uk oqllknp pda qjep saecdp j_dkn khp odkqh a qoa ej pda _ oa kb hna u ateopo _aehejc1 Gks jas _aehejc qoa bhqod0ej type khp qehp0ej pula khp kn l npo lnap na ej pda beah 1 Cabkna ckejc kj ejop hhejc fqop ol _a pk _aehejc1 41 Jjop hh pekj pkkho 41 T_nas neran 51 I _go s 61 Enehh sepd e iapan kb 93ii 71 Jjjan dat ckj ol jjan odebpejc...

Page 17: ...ca1 Jj pda _ oa kb _aehejc hna u ateopo 4 Jjop hh qjep pailkn nehu 5 B fqop pda daecdp j lkoepekj kb pda qjep1 6 Qnk_aa sepd lnk_a qna 7 kb In the case of no ceiling 71 Jjop hh pekj kb s pan n ej ca lela 4 Jjop hh s pan n ej ca lela Qela e iapan od hh a amq h kn h ncan pd j pd p kb _kjja_pejc lela Qela kb lkhupdaja oeva 58ii P1E1 65ii En ejlela odkqh a odknp sepd ksjs n ohkla p ha op 42433 pk lnar...

Page 18: ...j iajp l jah kj ej kkn qjep 4 Dda_g sdapdan ej kkn qjep eo dknevkjp h sepd harahan kn lkhupdaja lela behha sepd s pan j _da_g pd p pda eiajoekj kb pda _aehejc klajejc eo _knna_p1 U ga kbb pda haran c qca abkna ejop hhejc pda knj iajp l jah1 5 G opaj pda o_naso pk i ga pda daecdp ebbanaj_a apsaaj pda psk oe ao kb ej kkn qjep haoo pd j 8ii1 6 Genop bet ep sepd o_naso pailkn hhu1 7 G opaj pda psk pai...

Page 19: ... Elkkb qflk 4 Ffjbkpflk lc lkkb qfkd mfmb Hi ob lkkb qflk I p mfmb 60t v s isb Kkallo Wkfq Qrqallo rkfq Nfnrfa mfmb 50t v s isb Hi ob lkkb qflk HTFL261XMR HTFL351XMR HTFL411XMR HTFL531XMR Hi ob lkkb qflk I p mfmb 60t v s isb Kkallo Wkfq Qrqallo rkfq Nfnrfa mfmb 50t v s isb Hi ob lkkb qflk u C a mqlo colj 185 ql 451 Vl lrqallo rkfq Vl d p mfmb I p mfmb Nfnrfa mfmb I p mfmb HUDL261XMR HUDL351XMR Nfn...

Page 20: ...lt is gas leakage 1 Gib qof i Yfofkd Yfofkd jbqelap 14 Yfofkd jbqela lc ofkd qbojfk i Hlo lkkb qfkd ifkb telpb bka fp ofkd fqp tfofkd jbqela p peltk fk qeb ofdeq cfdrob objlsb tfofkd p obt ka m pp fq qeolrde qeb bka ofkd lc lkkb qfkd ifkb qebk lkkb q fq ql qeb qbojfk i _il h ka qfdeqbk p obt1 Yfofkd jbqela lc ofkd qbojfk i z Tfkd Vbojfk i V D Do wba pb j a Hfq qeb krq lk ka c pqbk 5 Veb j ufjrj ib...

Page 21: ...LNN PQU XQSM 15 Yfofkd lc fkallo rkfq Veb afpq k b _bqtbbk qeb pfdk i tfobp ka qeb mltbo _bp pelria _b q ib pq 83jj1 E D C S R 4 N 5 P 5 P 4 N R S C D E L N C1 P C2 Q Kk pb lc rpfkd tfoba lkqoliibo YR E12 Vl lqebo fkallo rkfq Vl tfoba lkqoliibo Vl lrqallo rkfq Eljjrkf qflk _ib Uefbia tfob J38TP0H 5Z 31 80418 jj5 Rltbo _ib J38TP0H 6I 40518 jj5 G1 Gu jmib pbq rkfq C ql aaobpp 41 Elkqfkrlrpiv mobpp q...

Page 22: ... pdaj pda UJNFS MFE k n sehh odks pda naoo kb pdeo ej kkn qjep1 Pressing the ON OFF button on the remote controler will exit the address setting procedure Qnaoo qppkj TMFFQ pdnaa peiao pda naoo eo 6 j pda UJNFS MFE bh odao pdnaa peiao Qnaoo qppkj TMFFQ bkqn peiao pda naoo eo 7 j pda UJNFS MFE bh odao bkqn peiao I1 Voa pda naikpa _kjpnkhhan pk pqnj kbb pda qjep Bp pdeo peia pda _kjpnkhhan odkqh a _...

Page 23: ...ion Wires and also the piping and address setting The drain pipe should be placed underneath and the connection wires should be placed upside and the drain pipe especially the section inside the machine and indoors must be wound up with insulating material to preserve heat The drain pipe shall be sloped and no concave and convex shall occur along the whole pipe 10 1 Installation check Is power sup...

Page 24: ...of polyethylene and the polyethylene foam pads contain no fluorochloric hydrocarbon Consult your local authorities for the name and address of the waste materials collecting centers and waste paper disposal services nearest to your house Safety Instructions and Warnings Before starting the air conditioner read the information given in the User s Guide carefully The User s Guide contains very impor...

Page 25: ...ms crushing or twisting any tubes or scraping the coatings off the surfaces If the refrigerant spurts out and gets into eyes it may result in serious eye injuries Do not obstruct or cover the ventilation grille of the air conditioner Do not put fingers or any other things into the inlet outlet and swing louver Do not allow children to play with the air conditioner In no case should children be all...

Page 26: ...ircuits must be earthed Ensure that no external forces will affect the terminal block and electric cable Poor wiring and installation may cause fire risk Arrange wire connection between connecting the indoor and outdoor power supply correctly Fix terminal cover firmly to avoid overheating electric shock or even fire risk In the case of a refrigerant leakage during unit installation keep the room w...

Page 27: ...unit are not disturbed Place possible to drain easily where piping can be connected with the outdoor For the indoor units place where cold air can be spread in a room entirely Place nearby a power receptacle with enough space around Refer to drawings For the indoor units place where the distance of more than 1m from televisions radios wireless devices and fluorscent lamps can be left For some indo...

Page 28: ...r installation of the indoor units The maxinum allowable length of refrigerant piping and the maxmum allowable height difference between the outdoor and indoor units are listed below The shorter the refrigerant piping the better the performance Connect so that the piping is as short as possible Shortest allowable length per room is 3m 1 Precautions on installation Check the strength and level of t...

Page 29: ...unit and the indoor unit Size of the gas side flare connection Pipe length when the compressor connects with two indoor units Pipe length when the compressor connects only one indoor unit Drop between the outdoor unit and the indoor unit 6 35 9 52 L1 L2 L3 L4 m Total liquid piping length It is no need to charge additional refrigerant within this value L4 one way m Pipe length when the compressor c...

Page 30: ...iquid pipe Gas pipe 6 35mm 1 4 x 0 8mm 9 52mm 3 8 x 0 8mm 2 Connection of pipe Apply POE refrigerant oil on half union and flare nut To bend a pipe give the roundness as large as possible not to crush the pipe Connecting the pipe of gas side firstly makes working easier 1 Selection of pipe To this unit both liquid and gas pipes shall be insulated as they become low temperature in operation Use opt...

Page 31: ...nage is carried out serely to outdoor In case that the attached drain hose is in a room please apply heat insulation to it without fail 5 On drainage Please install the drain hose so as to be downward slope without fail Correct Incorrect Lean Damage of flare Crack Partial Too outside Pipe diameter Size A mm Liquid side Gas side 6 35mm 1 4 9 52mm 3 8 0 8 1 5 1 0 1 5 A Flare tooling die Refrigerant ...

Page 32: ...uum pump Check the condition of the scale and hold it for 1 2min If the scale moves back in spite of tightening make flaring work again then return to the beginning of 3 4 Open the valve rod for the 2 way valve to and an angle of anticlockwise 90 degree After 6 seconds close the 2 way valve and make the inspection of gas leakage 5 No gas leakage If it does not stop gas leakage discharge whole refr...

Page 33: ...elded Fuse T3 15A 250VAC T25A 250VAC Please check with the outdoor unit wiring diagram Please check the circuit diagram about the fuse replaced Wiring work 2 Wiring method Wiring method of orbicular terminals For the connection wire with orbicular terminals its wiring method is as shown in the right figure remove the connecting screw put the screw through the ring on the end of the wire then conne...

Page 34: ...ected unit 4 Wiring method of indoor unit Crimp connection method for connection wire After connection the wire must be fastened by wire cover The wire cover shall press on the protection coat of the connection wire as shown in the figure on the previous page Note When connecting the wiring confirm the terminal number of indoor and outdoor units carefully Incorrect wiring will damage the controlle...

Page 35: ...sy daily maintenance Indoor unit NO A B C D Model of indoor unit Serial no Room name Wiring work The distance between the signal wires and the power cables should be at least 50mm C B A Q P 1 L 2 N 2 N 1 L P Q A B C L N C1 C2 To other indoor unit To outdoor unit P Q Waring 1 Incorrect address setting will cause abnormal to the system 2 Communication cable must be use shielded type Communication ca...

Page 36: ... unit individually and then also check the simultaneous operation of all indoor units 4 After ruuning the unit for about 20 minutes check the indoor unit outlet temperature 5 After the unit is stopped or working mode changed the system will not start again for about 3 minutes 6 During cooling operation frost may occur on the indoor unit or pipes this is normal 7 Operate the unit according to the o...

Page 37: ...U NZ W RMN XO QN WUN ZRUUN CYNZJ RWP XW ZXU DJWNU ENVX N ZNLNR NZ XVYZN XZ JVY G A E JVY CD E9G CB JVY DX_NZ JVY VNZPNWL _R LQ a b c d e CAD G A E CD E DCI E a b c d e CYNZJ RWP XW ZXU DJWNU f f A E Cassette type Indoor Units 37 HCNL 821 XMR Outdoor Unit Valves inside Handle Electric box Air inlet Air outlet Valve guarding plate ...

Page 38: ...IMEQ OFF1 SIMEQ ON4OFF ZXeefk Y j k 653QERES Blkkfe Pi jj k_ j Ylkkfe Yp lj e X j_Xig Xik Zc kf i jld k_ Zfii Zk fg iXk fe f k_ i dfk Zfekifcc i e ZXj f e 1 3 3 fi oXdgc e ZXj f dXc leZk fej l kf c ZkifdX e k Z ef j 3 6 3RLEEP Blkkfe S_ ZcfZb dljk Y Zfii Zk Y fi j kk e jc g leZk fe Tj kf j k jc g df 3 683Tg Xe fne Blkkfe Tj kf j k SIMEQ Xe CLOCK lg fi fne3 3 FILSEQ Blkkfe Tj kf j k lg4 fne leZk fe...

Page 39: ... LO MID HI ATSO U hjn Ijinljgg l Sk l ndji U_ e e lj 1 i Zk j eXc kiXejd jj fe _ X kf k_ i Z m i gcXZ fe k_ e ffi le k S_ jkXeZ Y kn e k_ i dfk Zfekifcc i Xe k_ i Z m i j_flc Y dXo d Xe k_ i j_flc Y ef fYjkXZc Y kn e k_ d3 Df efk k_ifn k_ i dfk Zfekifcc i gi m ek k ifd Y e XdX 3 6 3FAN Blkkfe To select fan speed LOW MID HIGH AUTO 753CLOCK D jgcXp 853DEHTMIDIFICASION D jgcXp 7 3Rfd fk_ i Ylkkfej Ac...

Page 40: ...j Yc kf j c Zk ATSO FAN fi kf j k k dg iXkli 3 ATSO FAN HEAS COOL DQW LOU MID HIGH Nfk Ik j i Zfdd e k_Xk k_ YXkk i j are i dfm ifd k_ ZfdgXikd ek k_ i dfk Zfekifcc i j efk lj fi Xe ok e g i f 3 S_ i dfk Zfekifcc i j gif iXdd fi XlkfdXk Z k jk f fg iXk fe df X k i k_ YXkk i j Xi i gcXZ 3 U_ e k_ k jk j Zfe lZk 1 Xcc Zfej n cc Xgg Xi fe k_ jZi e Xe k_ e jXgg Xi k_ YXkk i j Xi gifg icp kk 3 A FQERH ...

Page 41: ...k_Xe k dg iXkli j kk e 1 le k n cc ile ek id kk ekcp Xk LOU jg i Xi c jj f FAN j kk e 3 U_ e iffd k dg iXkli j cfn i k_Xe k dg iXkli j kk e 1 le k n cc fecp ile FAN fg iXk fe3 Ie HEAS df 1 nXid X i n cc Ycfn flk X k i X j_fik g i f f k d l kf Zfc 2 iX k gi m ek fe leZk fe3 ATSO LOU MID HIGH G X W S FQERH HIGH4RO SIMEQ RES FILSEQ A HEALSH QERES LOCK RLEEP FAN SEMP ON OFF RUING MODE CLOCK CODE LIGHS...

Page 42: ... fi f e kf Y pfl ZXe gi jj fne k_ RLEEP Ylkkfe Xe k_ X i Zfe k fe i n cc ile jf Xj kf dXb pfl jc g dfi Zfd fikXYcp3 B fi lj e k_ j leZk fe1 k_ ZcfZb dljk Y j k3 Xm ja VPKKT aoi ndji A k i k_ le k j jkXik1 j k ilee e df Xe k_ e gi jj RLEEP Ylkkfe feZ kf dXb k_ X i Zfe k fe i _Xm k_ gi m flj2j k jc g k d ijk gfn i2fe j 6_ 3 S_ jc g jpdYfc n cc Xgg Xi3 4 Pi jj k d Ylkkfe1 pfl ZXe Z_ffj k_ k d e 6r _f...

Page 43: ...Ylkkfe j gi jj 1 k d eZi Xj j 65 d elkej3 I k_ Ylkkfe j b gk gi jj 1 k d Z_Xe j hl Zbcp3 63Te k jkXik A k i le k jkXik1 j c Zk pfli j i fg iXk fe df fg iXk fe df n cc Y jgcXp fe LCD 73SIMEQ df j c Zk fe Pi jj SIMEQ Ylkkfe fe k_ i dfk Zfekifcc i kf Z_Xe SIMEQ df 3 Em ip k d k_ Ylkkfe j gi jj 1 jgcXp f SIMEQ df Z_Xe j Xj fccfnj S_ e j c Zk SIMEQ df Xj e SIMEQ ON fi SIMEQ OFF 3 Nfn fi n cc cXj_3 83SI...

Page 44: ...i SIMEQ ON A k i j kk e Zfii Zk k d 1 gi jj SIMEQ Ylkkfe kf Zfe id k d 3 Nfn 3S d i j kk e fi SIMEQ OFF Pi jj k d Ylkkfej Xe fccfn k_ jXd gifZ li j e S d j kk e fi SIMEQ ON Pi jj k d Ylkkfe SR jkfgj kf cXj_1 n_ c jkXikj cXj_ e 3 S d jgcXp le k jkXikj Xk V _fli V d e3 3S d Zfe id e fi SIMEQ OFF A k i k d j kk e 1 gi jj RES Ylkkfe kf Zfe id k d 3 jkfgj kf cXj_3 S d jgcXp le k jkXikj Xk V _fli V d e3...

Page 45: ...k_ e j Zfe j1 Xe X k i k_ Ylqq i i e j twice1 k_ Xlkf i jkXik mode will Y ZXeZ cc 3 Rjn mE U_ e X gfn i X cli jl ecp fZZlij li e k_ X i Zfe k fe i operation X k i k_ gfn i X cli Zfdg ejXk fe j j k1 k_ X i Zfe k fe i n cc efk Y used fi X cfe k d 1 gc Xj Zlk f k_ gfn i jlggcp kf gi m ek kj fg iXk fe ifd being i jld X k i k_ gfn i j jlggc X X e1 fi gi jj k_ Oe4O button after the gfn i Zfd j X X e3 A ...

Page 46: ...filter cleaning indicator RESET To reset correct operation of the wired controller Display description MODE AUTO Auto operation mode MODE FAN ONLY Air throwing mode MODE COOL Cooling operation mode MODE DRY Dehumidification mode MODE HEAT Heating operation mode MODE HEAT TES In heating mode auxiliary electric heater if present is running Displayed when the unit with auxiliary electric heater is in...

Page 47: ... OFF DAILY TIMER OFF Timer function is OFF TIMER ON OFF Timer function ON OFF TIMER ON OFF DAILY Timer ON OFF will switch over in turn daily CLOCK Clock display the displayed time is the current time of the clock UP DOWN Indicator of filter elevating not available on MULTI FRIENDLY units VENTILATION AUTO Auto ventilation mode optional function VENTILATION RECOVERY Fully heat exchanging ventilation...

Page 48: ...on HTFL XMR models 7 Power off press ON OFF button indoor unit is powered off There are only time and the ambient temperature displayed on the screen Set TIMER operation Adjust clock when powered on for the first time to set timer function the clock will be adjusted Press CLOCK button and set the current clock Now CLOCK will flash at the frequency of 2Hz Press the clock button the current clock ca...

Page 49: ...to be cleaned the panel can be lowered to the desired height by the FILTER UP DOWN function Method is below in power off state press HEALTH for 10 seconds to enter filter elevating set state In this state the sign FILTER will flash and UP DOWN will display simultaneously Press TEMP in timer section UP will display while press TEMP in timer section DOWN will display When it arrives the appropriate ...

Page 50: ...umbers will be displayed in some sequence unit number is in decimals At the same time in the time region there will be the current malfunction and the latest time malfunction the displaying format is XX YY in which XX stands for the current malfunction if normal it will display YY stands for the latest time malfunction The failure code of every unit will display for 3 seconds After the failure cod...

Page 51: ...oor unit D2 Compulsory defrost Cut off Common control Note 1 The switches in grey can be operated after opening the cover of wired controller 2 Switches or jumper wire must be adjusted when the wired controller is powered off If the wired controller is powered on the above operations will be invalid 3 Shortened time function In normal operation D1 is in short circuit it will enter shortened time m...

Page 52: ...t A Liquid Side Ø1 4 Ø1 4 Ø1 4 Ø1 4 Ø1 4 Ø1 4 Ø1 4 Ø1 4 Gas Side Ø3 8 Ø3 8 Ø3 8 Ø3 8 Ø3 8 or 1 2 Ø3 8 or 1 2 Ø3 8 or 1 2 Ø3 8 or 1 2 NOTE If the Indoor Unit is HTFL HUDL HSFL 411 or 531 model the dimension of the connecting pipe Gas Line for that unit is 1 2 12 7mm In this case please install on the outdoor unit s gas side service valve the special refrigerant piping adaptor supplied with HTFL HUD...

Page 53: ... Refrigerant distributioin and target SH cooling and SC heating control 11 LP switch 0 05 0 15Mpa Cut off the system when suction pressure is too low or system serious leakage to protect system 12 Accumulator 1 5L Separate the liquid refrigerant and gas refrigerant in suction line to avoid liquid flood back 13 Ts sensor 10KW 25 C To calculate the target SH and SC and control the start up of the co...

Page 54: ... 2 5HP SW5 5 ON SW5 6 OFF 3HP SW5 5 ON SW5 6 ON 3 5HP SW5 5 OFF SW5 6 OFF C4 SW5 7 SW5 8 Silent operation function SW5 7 OFF Preset in factory do not change SW5 8 ON Silent operation function available When ON the max fan speed is Class 6 and the max running frequency is 10Hz SW5 8 OFF Normal operation function factory setting C8 Set in factory 2 Definition of 4 bit dip switch SW5 on failure indic...

Page 55: ... Thermostat OFF Adjustable lower limitation Cool Dry 5 E 450 E Standard open angle tolerance 5 E 80 E Heat 60 E 450 E Standard open angle tolerance 60 E 80 E 3 3 4 Standard open angle control In Cool Dry mode standard open angle outdoor ambient temp 20 250 pulse E Outdoor ambient temp 20 210 pulse E In Heat mode standard open angle outdoor ambient temp 10 pulse E outdoor ambient temp 10 210 pulse ...

Page 56: ...p TA 27degree when compressor stops the electric heater will be electrified When TA 32degree or compressor running the electric heater will be off Heater ON OFF Ambient temp TA 27 32 3 6 Control of liquid spray valve SV2 According to the compressor discharging temp open or close the SV2 Control condition A In every mode including defrosting and oil return operation the control can work B In 3 minu...

Page 57: ... to quit it Te sensor will measure the condition of outdoor heat exchanger if the temp is over 7 for 60 seconds in all or is up to 12 for 30 seconds in all the defrosting will be over 3 7 3 Compulsory defrosting control Enter condition in heating mode after receiving the compulsory defrosting signal from indoor unit the unit will perform the compulsory defrosting operation Cancel condition Te 12 a...

Page 58: ... Defrosting FQY 80 Hz E 60s Softstartup compressor 0HZ 0HZ 5s Outdoor motor ON Send defrosting signal to indoor Auto OFF 4 way valve ON OFF ON Spray valve SV2 OFF 450 pulse 450 pulse 350 pulse E All EEVs Auto open angle Auto open angle All indoor motors ON OFF Anti cold air function 58 ...

Page 59: ...immediately if abnormal stop 3 times in 1 hour the unit will stop and alarm Reduce FQY rapidly 2HZ S Reduce FQY rapidly 1HZ S Reduce FQY slowly 1HZ 10S Remain FQY Increase FQY slowly 1HZ 10S Discharging temp TD If keeping for 10s the unit stops 3 minutes later the unit can re startup If in 60 minutes the unit occurs alarm for 3 times the failure can be eliminated Reduce FQY rapidly 2HZ S Reduce FQ...

Page 60: ... is low level 0 for 30 seconds continously alarm will occur When unit stops the reason that system still checks the low pressure in a long time stop make protection for the compressor on the condition of great refrigerant leakage The reason that low pressure switch action time is 30 seconds when compressor stops low pressure does not change so it will be shorter than the set time in operation 3 Wh...

Page 61: ...HZ SV2 OFF 20HZ SV2 ON 20HZ Keep for 5 seconds unit stops and alarm occurs 3 minutes later restart up If it occurs 3 times in 1 hour it will always alarm and stop electrify again and failure will be cleared Te 30 35 40 45 50 Normal operation Min running FQY 20HZ SV2 OFF 20HZ SV2 ON 20HZ Keep for 5 seconds unit stops and alarm occurs 3 minutes later restart up If it occurs 3 times in 1 hour it will...

Page 62: ...n 0 0 0 0 0 0 0 Central control address 1 0 0 0 0 0 0 1 Central control address 2 1 1 1 1 1 1 1 Central control address 128 0 Setting of central control address ENABLED 1 Setting of central control address DISABLED 1 3 SW03 detailed definition is as following SW03 1 2 3 4 5 6 7 8 0 Infrared remote control unit YR H71 1 Wired control unit YR E12 0 Display cooling only on YR E12 DRY COOL FAN 1 Displ...

Page 63: ...operation 5 1 If the unit enters Auto mode for the first time the system will adjust the operation mode according to the room temp and the set temp When Tai Tset entering auto cooling mode When Tai Tset entering auto heating mode 5 2 Auto cooling mode is as the same as the cooling mode After the thermostat is OFF for 15 minutes if Tai 1 Tcomp2 Tset the unit will enter auto heating mode or the unit...

Page 64: ...sted mode of indoor unit are the same 6 5 COOL included AUTO COOL DRY FAN are not abnormal mode 6 6 HEAT and FAN are not abnormal mode 7 Control for discontinuous operation After the unit starts up in cooling heating mode in 5 minutes the compressor run stop will not be controlled by the room temp but after changing the set temp if compressor stop condition can be met the system will stop compress...

Page 65: ...red control type In OFF state of COOL or HEAT mode press ON OFF button for over 5 seconds to enter the cooling or heating trial operation B Remote control type In OFF state keep pressing ON OFF button until 5 seconds later the buzzer sounds twice then enter the cooling or heating trial operation 14 2 Response in trial operation A Cooling trial operation indoor sends S CODE SD to outdoor indoor at ...

Page 66: ... auto mode when the jumper shows cooling only type auto mode will change to cooling mode 19 Passive contact function The unit adopts passive contact 220VAC input which only make ON OFF control When it is close the unit is ON when it is open the unit is OFF and the other parameters will be as default or the data in memory 19 1 Passive contact valid The central control remote control wired control a...

Page 67: ...wice that shows temp compensation works Switch on the unit in heating mode by the remote controller press TEMP button to set the set temp so temperature compensation the current set temp 24 C For example if the set temp is 24 C the temp compensation is 0 C if the set temp is 25 C the temp compensation is 1 C The max compensation temp is 6 C the set temp is 30 C If you want to cancel it set the tem...

Page 68: ...np _en_qep G qhpu pailan pqna oajokn y e Tajokn eo_kjja_pa kn nkgaj kn p snkjc lkoepekj kn in odknp _en_qep G qhpu pailan pqna oajokn y f 6 UJNFT Tajokn eo_kjja_pa kn nkgaj kn p snkjc lkoepekj kn in odknp _en_qep G qhpu pailan pqna oajokn y3 7 UJNFT Tajokn eo_kjja_pa kn nkgaj kn p snkjc lkoepekj kn in odknp _en_qep G qhpu FFQSPN kj ej kkn qjep QDC 8 UJNFT G qhpu ej kkn qjep QDC B jkni h _kiiqje_ p...

Page 69: ...ed or broken or at wrong position or short circuit Faulty temperature sensor Tc2 03 Sensor disconnected or broken or at wrong position or short circuit Faulty temperature sensor Tm 04 Sensor disconnected or broken or at wrong position or short circuit Faulty EEPROM on indoor unit PCB 05 Faulty indoor unit PCB Abnormal communication between indoor and outdoor unit Wrong connection or the wires are ...

Page 70: ...outdoor unit PCB 20 21 Overheat protection of compressor Serious lack of refrigerant of the system or too high ambient temperature or PMVs is blocked 22 Over heat protection of SPDU or ISPM Ambient temperature too high or outdoor fan is blocked or bad air circulation on outdoor unit 23 DC fan motor fault Fan is blocked or the terminal is disconnected from the PCB 24 POSSIBLE REASONS Faulty 4 way v...

Page 71: ...nection or the wires be disconnected or wrong address setting of indoor units or faulty PCB or faulty power supply 6 System high pressure protection High pressure switch is disconnected or high pressure switch worked or Tc too high and faulty outdoor fan motor when cooling or faulty indoor fan motors when heating or refrigerant overabundance 9 System low pressure protection Low pressure switch is ...

Page 72: ... YES If the red diode and green diode on indoor PCB flash in turn Replace display panel and check again yes NO NO Check if display panel and the unit matched well Trouble 1 No display on the operation panel NO Start PCB is faulty and replace it check again Replace sensor and check again Replace sensor and check again Check if sensor resistor value is correct NO NO YES YES yes Check if sensor is in...

Page 73: ...s fixed badly CN4 on PCB Trouble 6 Indoor fan motor failure AC fan motor has not 50Hz zero crossing detection Trouble 5 Indoor repeated unit number If the infrared remote controller YR H71 is present proceed as follows Trouble 4 Indoor PCB EEPROM data is wrong 1 If the failure occurs when electrifying for the first time that shows EEPROM 8 bit pin is not fixed firmly or it is damaged 2 If the fail...

Page 74: ... Is the power supply transformer component in good condition YES Check if wiring is correct Check if failure disappears after changing transformer or PCB NO NO Check if failure disappears after changing wired controller YES Wired controller is broken Trouble 8 Communication failure between wired controller and indoor PCB or no display on wired controller Confirm communication failure according to ...

Page 75: ...PERATURE SENSOR TE DEFROSTING TEMPERATURE SENSOR TA AMBIENT TEMPERATURE SENSOR TOCI TOCI I PIPING TEMPERATURE SENSOR M M CN4 N L M CN22 CN18 PMV_B PMV_C PMV_D PMV_A SV2 CN6 ON 1 2 3 4 5 6 7 8 PTC BUS L CN8 N ON 4 3 2 1 SW3 SW4 SW2 SW1 start up stop down B BLACK R RED OR ORANGE W WHITE Y G YELLOW GREEN CN19 LP HP CN20 CN23 H CN3 CN5 CN14 CN13 CN1 CN2 CN7 LED DEBUG_LED 4WV CN2 CN5 CONTROL BOARD CN4 ...

Page 76: ...12 2 Circuit diagram Outdoor Unit HCNL 821 XMR PCB layout 76 ...

Page 77: ...Y G YELLOW GREEN BL BLUE Y YELLOW OR ORANGE WIRED CONTROLLER CN7 W BL CN8 CN9 BL ON 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 YR E12 WIRED CONTROLLER INFRARED CONTROLLER SW03 4 ON ON OFF CARD ON SW03 4 HTFL 261 HTFL 351 HTFL 531 HTFL 411 ON SW03 1 SW03 2 SW03 3 SW03 1 ON SW03 3 SW03 2 SW03 2 SW03 3 ON SW03 1 SW03 1 ON SW03 3 SW03 2 Please plug in the short connector supplied CN18 BR BL A B C...

Page 78: ... 78 12 4 Circuit diagram Indoor Units HTFL 261 351 411 531 XMR ...

Page 79: ...0KΩ 3 B25 50 3700K 3 R25 23KΩ 2 5 B25 50 3700K 3 Discharging temp sensor R80 50KΩ 3 B25 80 4450K 3 Mid condenser temperature sensor R25 10KΩ 3 B25 50 3700K 3 Outdoor ambient temp sensor R25 10KΩ 3 B25 50 3700K 3 HTFL 261 XMR HTFL 351 XMR HTFL 411 XMR HCNL 821 XMR R25 10KΩ 3 B25 50 3700K 3 R25 23KΩ 2 5 B25 50 4200K 3 ...

Page 80: ...04 41 11 22 3 36 19 41 5 32 2 93 52 42 10 76 2 34 41 42 5 12 1 88 35 43 10 31 1 32 73 43 4 93 0 83 5 44 9 89 0 31 14 44 4 9 1 78 94 45 9 49 1 29 64 45 4 58 2 74 67 46 9 1 2 28 22 46 4 42 3 70 65 47 8 74 3 26 4 47 4 26 4 66 88 48 8 39 4 25 61 48 4 11 5 63 33 49 8 05 5 24 41 49 3 97 6 60 50 7 73 6 23 27 50 3 83 7 56 86 51 7 43 7 22 2 51 3 7 8 53 91 52 7 14 8 21 18 52 3 57 9 51 13 53 6 86 9 20 21 53 ...

Page 81: ... 11 76 16 80 351 411 531 2 05 2 63 3 32 1 50 8 00 9 00 0 55 2 65 3 80 3 02 1325 2 50 11 76 16 80 411 411 411 2 66 2 66 2 66 1 50 8 00 9 00 0 55 2 65 3 80 3 02 1325 2 50 11 76 16 80 201 201 201 201 2 00 2 00 2 00 2 00 1 80 8 00 9 50 0 55 2 60 3 80 3 08 1300 2 50 11 54 16 80 201 201 201 261 1 88 1 88 1 88 2 36 1 80 8 00 9 50 0 55 2 60 3 80 3 08 1300 2 50 11 54 16 80 201 201 201 351 1 77 1 77 1 77 2 ...

Page 82: ...42 16 80 351 411 531 2 75 3 30 3 95 1 50 10 00 11 50 0 55 2 80 3 80 3 57 1400 2 50 12 42 16 80 411 411 411 3 35 3 35 3 35 1 50 10 05 11 50 0 55 2 80 3 80 3 59 1400 2 50 12 42 16 80 201 201 201 201 2 30 2 30 2 30 2 30 1 80 9 20 10 50 0 55 2 85 3 80 3 23 1425 2 50 12 64 16 80 201 201 201 261 2 30 2 30 2 30 2 90 1 80 9 80 10 50 0 55 2 85 3 80 3 44 1425 2 50 12 64 16 80 201 201 201 351 2 15 2 15 2 15 ...

Page 83: ... 1 3 octave band noise level HTFL 351 XMR Third octave band frequency Hz Cooling high Cooling med Cooling low Fan high Fan med Fan low Heating high Heating med Heating low Cooling high Cooling med Cooling low Fan high Fan med Fan low Heating high Heating med Heating low 83 ...

Page 84: ... Hz 1 3 octave band noise level HTFL 531 XMR Third octave band frequency Hz Cooling high Cooling med Cooling low Fan high Fan med Fan low Heating high Heating med Heating low Cooling high Cooling med Cooling low Fan high Fan med Fan low Heating high Heating med Heating low ...

Page 85: ...ribution 4 2 1 m s 1 0 2 m s 0 4 2 0 4 2 1 27 25 22 1 2 22 27 25 0 4 2 Air Velocity Distribution Blowy angle 40 Temperature Distribution Blowy angle 40 a Cooling Air Velocity Distribution b Cooling Temperature Distribution 85 ...

Page 86: ... s 1 0 2 0 4 m s 2 4 2 1 22 27 25 22 0 1 2 4 0 25 27 2 Blowy angle 70 Air velocity Distribution c Heating Air Velocity Distribution d Heating Temperature Distribution Temperature Distribution Blowy angle 70 86 ...

Page 87: ...Bologna Italy Tel 39 051 41 33 111 Fax 39 051 41 33 112 www termalgroup com Due to on going technological development of the products by the manufacturer we reserve the right to vary the technical specifications at any time without notice ...

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