CONSTANT TEMPERATURE & HUMIDITY OPERATING MANUAL
Contents
1. Control Tuiti NEI gt gt gt gt gt gt gt gt Tenperature functi on Hunndi ty functi on Cool i ng control Heat i ng control Hum di ti ng control Dehum di ti ng control Fan control Hunndi fi er control E Trouble shooting Nane of Part D spl ay Part Micro Processor DISPLAY EEN HEAT COOL How BUMYrANG AIR GONDITIONING GO Lid 1 RUYSTOP swtch RLN anp Every ti ne this swtch is pressed Lights up during operation and goes out operation shifts between stop and start vhen air condi ti oner stops Up HEATER 1 2 3 anp DI SPLAY SCAN swtch Indi cates one of 1 2 and 3 heater bei ng Every tine this swtch is pressed present oper at ed operation status or output status is COMPRESSCR 1 2 3 4 anp di spl ayed on LD I ndi cates one of 1 2 3 and 4 conpressor EDT swtch bel ng oper at ed When this swtch is pressed once the in case of conpressor lor 2 cycle desi red operating conditions is set COMPRESSCR 1 2 anp Pressing this swtch once nore after the in case of conpressor 3 cycle desi red operati ng condi tion is entered COMPRESSCR 1 2 3 anp Then pressi ng this swtch once nore the incase of conpressor 4 cycle desi red operati ng condi ti on is fi ni shed wnen used AHU control er ENTER sw tch HM D FI ER 1 2 anp After pressi ng this swtch the desi red I ndi cates one o2. 13 gt Evaporation cl eani ng 14 Vhen the nachi ne is to be used agai n 15 Vien the nachi ne is to be finished 15 Trouble shooti ng 16 Cauti ons of handling refrigerant 17 quality of supply Water 18 How to use controller 19 Saf ety si gn To prevent injury to the user and property danage the follow ng instructions nast be fol I owed This symbol indicates the possibility of death or serious injury This symbol indicates the possibility of slight injury or demage to this machine This symbol indicates the possibility of injury or demage to properties only This symbol indicates the possibility of use efficiency and escape with injury Saf ety precauti on nproper installation wll cause water leakage electrical shock or fire Pl ease confi rmthe follow ng inportant points duri ng installing A Please consult authorized speci alist for This nachine nust be grounded Do not danage or use an unspecified It nay cause electric shock
3. onl y cooling operation is carried out 2 Pressing UP or DOW swtch the follow ng seven operati on nodes appears sequenti al ly Vhen desi red operati ng node appears press ENTER swtch Operati ng node is entered and control shifts to the next desired operating node 3 Wien you intend to finish setting operating condition at this point press EDT swtch If swtch is not pressed in 5 seconds it autonati cal y finishes How to set the desi red operati ng condi ti ons 1 Press EDIT swtch to set the node Vihen ENTER swtch is pressed to set the desi red tenperature the follow ng is di spl ayed KK do CPA setti ng tenperat ur e CPA xk KK La CPA setting humdi t y CPA EDIT TEM DB setti ng tenperature desensi ti zed 1 OdegC UP DOM bel t LB KK z na setti ng hunhdi ty desensi ti zed bel t DB KK Lai B setti ng tenperature CPA KK AR PB setting hunidi ty proporti on bel t PB xK EE setti ng STEP tenperature AHJ kk a oan setti ng STEP hunndi ty AHJ xK A D setti ng regular currant of hunndi fy 2 Wien you want setting nenus di spl ayed UP or DOWN sw tch is pressed to set the desi red poi nts and then pressed ENTER sw tch so the desired points are stored 3 And then di spl ayed next nenu When you intend to finish setti ng operation condition at this point press EDT sw tch If swtch is not pressed in 5 seconds it autonatically finishes r If machine stops or power interr
4. STEP 6 exanpl e for the control dependi ng on the tenperature setti ng in case of CPA 25 C PB 3 C DB 1 C STEP 1 C in case of conpressor use 1 or 2 unit 2cycl e CPA HEATING COOLING in case of conpressor use 3 uni t 3cycl e CFA HEATING COOLING 21 24 0 ak U ou U 24 0 n case of AHU unit HEATING COOLING Hunndi ty functi on Dependi ng on the difference between the set humdity and roomhumdi ty sensed by sensor the follow ng humdity controller functions 1 roomhumdity display range 259RH 90 H 1 roomhumdity less then 25 H LO di spl ay 2 roomhumdity nore then 90 BH H di spl ay 2 roomhumdity control range 30 H 80 H default 55 CPA 3 desensi ti zed bel t DB humdi ty DB controlled output does not respond to the sli ght fl uctuati on in roomhunndity 1 H 10 H default 14H DB 4 proportional range or step control range 2YRH 20 RH default 29BH PB 5 step humdity control range 28H 20 RH default 5 STEP 6 exanpl e for the control dependi ng on the humdi ty setting in case of PA 55 PB 5 DB 2 in case of conpressor use 1 or 2 unit 2cycl e in case of conpressor use 3 uni t 3cycl e in case of AHJ unit Cool i ng control If roomtenperature is hi gher than desensi ti zed belt DB tenperature as conpared wth desi red tenperature 3 step control is carri ed out dependi ng on the tenperature diff
5. SET PQ NI PB 3 0 degC 10984 SET PQ NI DB 1 0 degC _ 5 H _QJIPUT STATUS NDOCR FAN GY CFF _QJIPUT STATUS E HEAT 1 CNOF desi red tenperature and humdi ty desi red proporti on bel t PB desi red desensi ti zed bel t DB fan output heater 1 output E ia ESS E ia lai OUTPUT STATUS COMPRESS 1 ON CFF conpressor 1 output OUTPUT STATUS CCVPRESS 2 CN CFF conpressor 2 output comes 3 ir omessor dodat conpressor 3 out pi COMPRESS 3 OW CFF HM Ba a eee E HM a Gl BEMAR ZAPF WATER i iu OF water sol enoi d val ve output 2 Pressing O SPLAY SCAN sw tch displ ay appears in the fol low ng sequence SystemStart MLE auto hum tenp SystemStart Local Start Runni ng OUTPUT COND TI CN Heati ng N STEP How to set operati on node 1 Pressing EDIT swtch one of follow ng seven operati on nodes appears choi ce condi ti on hunndi fy and tenperature are 1 auto hum tenp aut onati cal ly control ed choi ce condi ti on dado tem oly tenperature is autonati cal y control ed choi ce condi ti on 3 auto hum only choi ce condi ti on 4 auto cool only iti I di onl y heati ng operati on is carri ed out choi ce condi ti on 6 auto fan only MSPO I choi ce condi ti on 7 REMLOCA sel ect sel ect REMOTE LOCAL running net hod hunndi ty is autonati cal y control ed
6. if power cord groundi ng is not perfect lt nay cause explosion or fire Do not operate wth vet hand Do not nadify power cord length or share gt It wll cause electrical shock the outlet wth other appli ance lt nay cause expl osi on or fire Do not power cord draw ng or bendi ng lt nay cause electric shock or fire Do not disjoint or repair and change It nay cause trouble electric shock fire Need to contact us or service center b not install the nachi ne at place were leakage of gas nay occur or inan expl osi ve atnosphere t nay cause explosion or fire Do not use hone consent use circuit breaker or eakage breaker for excl usi ve power and the nachi ne t nay cause electric shock or fire Fuse is used wth speci fi ed rating b not use wre or copper wre It nay cause fire Renove and re installed the nachi ne pl ease consul t authori zed deal er or Speci alist for the install ati on work Do not put a stove etc were is exposed to direct air flow t nay affect conbusti on When the operates the unit do not open the air flowinlet t nay cause electric shock Do not clean the nachi ne wth vater lt nay cause electric shock or fire Used Ar filter certainly t nay cause trouble because dust into the unit Do not expose the skin directly to cool air for long periods of ti ne danage your health Do not operates and stop the nac
7. y humdi fy H gh 2 DB AW lt PR2 one humdifier operates hunndi fy Low 3 AH lt B hunndifier stops 4 In case of used electric steamhunndi fier lstep control ed 5 In case of used AHJ controller 2step controlled depend on step hunndi ty Dehum di fi er control AH roomhumdity desi red humdity 1 DB PB 3 PB 3 AH three dehunndi fi ers conpressors si nul taneous y cool i ng hi gh 2 DB PB 3 AH lt TB PB 3 PB 3 tw dehunndi fi ers conpressors si nul taneous y cool ing mddl e 3 DB AW lt LB PB 3 one humdi fi er conpressor operates cool ing ow 4 AH lt OB dehumdifi er conpressor stops 5 Conpressor 1 2 and 3 should operate in turn every 10 operati ons taki ng into account the duty rate of conpressor 1 2 and 3 Re operation is only permtted in 3 minutes after operati on stops 6 In case of used AHJ controller no operati on functi on Fan cont rol 1 fan operati ony stop When operation I anp light up fan al ways operates regardless of tenperature control 2 stayi ng fan operati on If nachi ne stops during heater operation Fan continue to operate a mnute to prevent overheating of indoor unit fan staying tine 55 5 second any other case 5 2 second in case of error happened fan operation if error happened rel ate to conpressor and heater during nachi ne operation stop conpressor and heater instantly but fan continue to operate a mnute a
8. BAG 105 02B ER certificate of approval I S 001 CONSTANT TEMPERATURE amp HM Ol TY CPERATI NG MANUAL This is a product ve bunyang tightly control quality through all the process fromdesi gn to assenbly wth our experience and state of the art technol ogy as a speci al i zed ai r condi ti oner maker BUWANG MODELS UU 30M UU 50M UU 80M UY 100M UW 150 200 250 300 Before using your air conditioner pl ease read this nanual carefully and keep it for future ref erence Safety SI gn 2 Safety precauti on 3 Installation precauti on 6 How to install 7 Name of parts 9 Qperati on precauti on 10 ECONOMIC operati on 12 Repair amp nanagenent 13 p Ar filter cleaning
9. condi ti oner flown into unit It nay cause bad shoul d be connected wth power source operati on condi ti on 2 Earth shoul d be connected to avoid el ectric shock Transportation or rewring of air condi ti oner shoul d be done i n counsel wth expert engi neer power cabl e shoul d be protected In case of installing NB in nai n supply user nost install it lt is very dangerous if gas leaks near the air conditioner Avoid this place outlet Check the electric wre for proper earth Please check the cooling water ci rcul ated connection to prevent electric shock 4 Vren cooling tower installed check opened the valve operated fan of cooling tower and cool i ng water punp Any other water used check opened the val ve and ci rcul ated cooling water Check if air filter is installed If air condi ti oner operates wthout air filter dust collection effect deteriorates and air conditioner is contannnated to cause troubl e Wien the nachi ne was stop check cl osed val ve stoped cool i ng tower fan and cool ing water punp Check the humdifier water pi pe and suppl i ed water in the nachi ne Install thernostat and hunndi ty adj uster sensor in the follow ng pl ace o free fromdirect discharge air o good venti ati on o averaged tenperature and hunndi ty Check if any obstacle prevent air from flown into outdoor unit Cbstacle det eri orates alr condi ti oner perf ornance Humdify pipi
10. eee tad oe ener thernal protector x SYSTEM ERRCR hi gh I ow pressure sw tch COMPRESSCR 2 OVER LOAD COPCO over currant relay thernal protector r INAR FILTER LOG I NOOR FAN OVER LOD CD VATER OVER FLOW ROOM SENSCR TROUBLE HMO FIER FAULT ERRCR happened stop nachi ne autonati cal y After error fixed and then RUN sw tch pressed error was reset nachi ne operated by one nore run swtch pressed amp The follow ng phenonena does not nean trouble 1 Wien roomtenperature is displayed LOC or H C This product displays roomtenperature between O 40 C and displ ays LC or H C if roomtenperature exceeds this range 2 Wien roomhunndi ty is di spl ayed LOBH or H H This product displays roomhunndi ty between 30 80 H and di spl ays LOSH or H BHif roomhunndity exceeds this range 3 In principle the micro conputer of this product is designed in the nanner that two conpressor and hunndi fiers are installed respecti vel y 2 steps For sone nodels however it is desi gned in the nanner that one E A of conpressor and humdifier are installed respecti vel y 1 step I n this case conpressor and humdi fier are di spl ayed on LCDin 2 steps For the nodels equi pped wth each one E A of conpressor and hunndi fi er conpressor or hunndi fier is operating in one step if one of conpressor 1 or 2 or one of humdifier 1 or 2 operates If the nachi ne used three E A of conpressor operati on condi ti on di spl ayed on LD in 3 steps In case of used AHJ co
11. erence AT roomtenperature desi red tenperature 1 DB PB 3 PB 3 AT three cool ers operate si nul taneous y cool i ng hi gh 2 CB PB 3 U AT lt DB PB3 PB 3 tw coolers operate si nul taneousl y cool i ng m dal e 3 BO AT lt DB PB 3 one cooler operates cool ing ow 4 AT lt DB cooler stops 5 Conpressor 1 2 and 3 should operate in turn every 10 operati ons taki ng into account the duty rate of conpressor 1 2 and 3 Re operation is only permtted in 3 mnutes after operation stops 6 In case of used AHJ controller 4step controlled depend on step tenperature Heati ng control If roomtenperature is lower than desensi ti zed belt DB tenperature as conpared wth desi red tenperature 7 step binary control is carried out depending on the tenperature difference A T desi red tenperature roomtenperature 1 B PB lt AT heater operates in 7 steps heati ng 7 step 2 DB AT PB 7 step control depending on PB 7 step 3 AT lt B heater stops 4 If nachi ne stops while heater operates fan conti nues to operate one minute and then St ops 5 The capacity ration of electric heater is 1 2 4 and controlled in 7 steps by mero computer as follows capaci ty ratio 1 2 4 6 In case of used AHU controller 3step controlled depend on step tenperature Hunndi fi er control AH desi red humdity roomhumdity 1 DB PB 2 AW gt tw humdifiers operate si nul taneousl
12. ets turned on when the water level sensor is disabled for 2 hours or when the electric current is under 2 anpere VATER EMPTY ERROR When 140 of the current conduction occurs the systemdrains water autonati cal ly and it stops operation 20 second If this process happens several tines al armgets turned on HUM D FI ER FAULT ERROR Drai n control 1 Appl i ed only electric steamhunndi fier 2 The systemdrai ns water peri odi cal y when the i npurity concentrati on inside the cylinder needs to be di l uted When 140 of the current conduction occurs the systemdrai ns water autonati cal ly and it stops operation 20 second Hamdi fi er gets autonati cal ly stoped during the water drain Drain tine is autonati cal y duri ng 3 seconds every 20 mnutes Drain tine is automati call y during 1 mnutes every 12 hours In case of pressed drain swtch on the MAN PCB the systemdrai ns water aut onati cal ly and it stops operation 20 second It s possible to Dain swtch input is during humdifier stops Condensate eak control If water coll ects in the nachi ne due to probl ens wth cooler or dehunndifier operation stops and error is di spl ayed CD WATER OVER LOAD Hunndi fier water evel control In order to keep proper water level of humdifier tank the water feed valve is control ed by evel sensor read to adj ust the humdifier water level This control is only possible in autonati c tenperature and humdity control node or in humdity cont
13. f 1 and 2 humdifier being oper ati ng condi tion is entered Every oper at ed tine this swtch is pressed control VATER anp shifts to the next desi red operati ng Indi cates that water is fed into condi ti on humdi fier tank If water is not fed DOW sw tch w thin 25 seconds systemi s troubl ed Setti ng val ue decreases FAN anp UP swtch Indi cate that fan operates Setting val ue i ncreases ERRCR anp PONER OV CFF swtch I ndi cate systemf ai ure Connects and disconnects the M COM power PONER anp I ndi cates power is supplied to MOM Mi n Control Part OOM 3 TINN cord COMP 4 de Row CORA ec B WATER FFAN R HEAT 1 EHEAT 2 HEAT 3 EHUMII Y BHLIMI 2 ie LEAS HWE 3 FAMTYA PAEZ CALI ANT KOMIE ESEJ FM COMP 3 CET BLEE EPAR Coe Oe BURN amp METE eee l e a Croke Titian T RI coe crei z FAN 3 FILTER Stee OFS Ele EEFFEEFIH dd CMT a f gt re OLTA ATA LEI y EEE W N TJ area cz EA DITA ri STRAW Hz b IE gpm E O rr ria y A MA a M EOT ECT i Sr DR BLA ELA LIB orrac arin SEN jj aa 2 TROUBLE CONTACT ia Ea SUB POWER SENSOR RSSG CABLE MAIN SUB CONNECTOR How to use amp operati on 1 Comnect nai n power circuit breaker 2 Turn on PONER OY CFF swtch DO splay appears in the follow ng sequence CRC 2004 Control er BUWANG AR QQ LTD set data restore to start a system 3 Pressing RUNSTCP swtch nachine o
14. fi rmthe follow ng i nportant points duri ng installing 1 No install ation pl ace Do not install the unit at place were firearns narrowalley road stopped It nay cause troubl e or very open after ser vi ce 2 Installation Install the unit at place were good ai r flow install easily not trouble nei ghbor hood because unit s noi se and hot ai r Secure mni numservi ce area and where custoner want ed 3 Input the pover cord Wed certified power cord and install the eakage breaker where need to pl ace This nachi ne nast be grounded Do not danage or use an unspeci fi ed power cord Do not nodify power cord length or share the outlet wth other appl i ances 4 Delivery of custoner At first explain the safety sign and user s nanual Finally check the eakage gas and serve a reference forni nstal confi rnati on installer nane card and then clean the nachi ne and pl ace How to instal I nproper installation wll cause water leakage electrical shock or fire Pl ease confi rmthe follow ng inportant points duri ng installing and install area 7 Install air conditioner on a flat surface taki ng into account the vei ght of air condi ti oner If this space is not suitable noise or vibration nay occur Do not put a stove etc ELECTR C WR NG Please check service area is securel y o Check if any obstacle prevent air from 1 The eased circuit of air
15. hi ne during ong tine turn off the power or circuit breaker prevent fromunexpected danage Do not insert anything into the air i ni et outl et Since the fan rotates hi gh speed it nay cause inj ury or danage the nachi ne Do not step on the unit and do not put anythi ng on it lt nay cause on injury and droppi ng and fall down Do not apply an insecticide or fl anmabl e spray t nay cause a fire or defornati on of the unit Check if any obstacle prevent air from fl om into indoor outdoor unit lt nay cause bad operation condi ti on Not Install the harnfiul to nei ghborhood because outdoor unit s noi se and hot air t nay cause nel ghborhood s trouble Do not press the LO surface It nay cause break down b not press the 2 buttons for once t nay cause unexpectabl e operati ons Ceaning the air filter once in 2 weeks t nay cause bad operati on condi ti on b not put a pat or house plant were it wll be exposed di rect air flow This could injure the pat or plant Do not operates nachi ne s grill forcibly It nay cause break down Do not clean the nachi ne surface by oil or grease t nay cause change of color Power is off after nachi ne operation is stop fi nal l y Use the long tine ventilate 1 or 2 tines in 2 hours Install ati on precauti on I nproper installation wll cause water leakage electrical shock or fire PI ease con
16. nachine oil into the bearing ubri cati on hol e m Oling tines onl y summer season once in a season cool i ng once in 6 nonth yearl y cool i ng heat i ng once in 3 or 4 nonth Vhen the nachi ne is to be used again When the nachi ne is to be used again check the foll ow ng tens and nachi ne is oper at ed Take off the saf ekeepi ng cover on the nachi ne 2 dean the ai r filter and evaporator reinstall it indoor unit Check the ai r inlet and outlet of the indoor outdoor are not bl ocked Howto check V belt tensi on If V belt tension is not nornal fan does not operate nornal y When pressing fan V belt w th hand it should be pressed dow 10nmor so Turn off the circuit breaker surely before checki ng Wien the nachi ne is to be fi ni shed Turn off the circuit breaker surely For prevent drain pi pe clogged renove dust in the drain pi pe Condensed water should be fully drained If the drainage is inconpl ete water nay be freezing and drain pipe wl cause breakdown Operated the nachi ne on air circulati on node for 2 to 3 hours because drying i nsi de the nachi ne Wien the nachi ne is stopped for a long tine put the nachi ne on the safekeepi ng cover Wien the nachi ne is operated duri ng spring or fall operated the nachi ne on ai r circulation node Troubl e shooti ng Check the fol low ng points before requesting repairs or service If the fault persists pl ease c
17. nd then stop aut onat i cal y Conpressor re operation prevention tine control If conpressor resunes operation it starts operation in 3 minutes in order to protect conpressor and to ensure satisfactory operati on amp Conpressor re operation preventi on tine 3mnute Hunndi fi er control 1 Pan type hunndi fi er 1 When power is on V ter supply begins before the hunndi fier is turned on 2 The al armsystemgets turned on when the water level sensor is disabled or duri ng 25 second water enpty error Vater keeps flow ng into the systemuntil the water evel reaches hi gh level If level sensor was sensing stops water supply Stops water supply humdifier was rumi ng A1 A2 CFF Al A3 CFF gt water supplied check error ti ne 25 second A1 A2 ON A A CFF gt previous condi ti on conti nued A1 A2 ON A A CN stop water supply V en error happened turned on buzzer hunndi fi er stops El ectri c steamhunndi fi er 1 This humdifier produces steamby conducting current on the el ectrode inside of the cyl i nder 2 V ter supply begins after the humdifier is turned on 3 Water keeps flow ng into the systemuntil the nachi ne reaches 110 of full load anpere or until the water level reaches its naxi num The systemkeeps heating water inside of the cylinder until it reaches 90 of full oad anpere Vat er suppl ying process resunes when the systemdrops down to 90 of its full load anper e The al armsystemg
18. ng and causes hi gher WA rate It also o Please contact the water supply pi pi ng causes the safety devi ce to operate to strai ner in the nachi ne o If the stop val ve instal led si de of water supply pi pe it was conveni ence Nane of parts ULU 30M 50M 80M 100M z TTE x il zam r iid INI E IL i EMI I Ty 8 H j UY 150 200 Operation precauti on Vhen fuse is blown out replace it wth new one wth specified rating If fuseis Do not clean the nachine wth water bl om out frequently throughl y check the It nay cause electric shock or fire cause If any fuse wth no specifi ed rating is used conpressor nay fail or fire nay break out Do not apply an insecticide or fl anmabl e spray or paint It nay cause a fire or def ornati on of the unit Ven the power supply is cut off pl ease turn off the nachi ne Do not put a pat or house plant were it wll be exposed direct air flow This coul d i nj ure the pat or plant The nachine is not intended for us by young chi I dren or i nfirmpersons wthout Super vi si on Do not repaired and nodi fi ed when the machi ne is operating It wll cause injury Po not exposed the body cool air for ong and electric trouble period of tine It wll be catch cold or catch a si mlar synptons If nachi ne operates wthout air filter Do not operates and stop the nachi ne dust coll ection effect deteriora
19. nonth O wen suction grill is slightly pull ed Put the air filter and electric dust filter forward the suction grill cones forward vhi e grasping their upper part the air filter and dust collector filter cone out O Ven suction grill is renove air filter O Renove dust fromthe filter usi ng cl ean is seen Check if the connector ring is water and leave it until it is dried The firnhy connected wth suction grill if assentl e the filter not connect it wth suction grill Before checking air filter disconnect the pover Do not clean air filter using hot water steam gasoline or thinner O After cleaning it using water leave it in the shaded place until it is dried Evaporati on cl eani ng If evaporator operates a long wile dust accunal ates on the surface of evaporator d ean evaporator once or nore every nonth as foll ovs Untied link on the suction grill O Vien injection water wile directing wter hose toward evaporator dust is easilly renoved 1 Before cl eani ng evaporator di sconnect pover 2 Use case so that electric parts are not vetted wth vater 3 If dust accunul ates on the evaporator a long wile it is required to use steamto renove dust In this case contact us ws Renoved suction grill carefully M Bearing ubri cati on If bearing runs out of oil friction or noise occurs Lubricate bearing once every 3 or 4 nonths Renove the rear plate of bl ower chanber and pour
20. ntroller displ ayer 4 step hi gh ow pressure sw tch over currant relay thernal protector kk_ SYSTEM ERROR CUTDOCR 2 OVER LOD hi g l ow pressure sw tch over currant relay thernal protector hi ghy I ow pressure sw tch over currant relay thernal protector
21. ontact your deal er or service center troubl e Cause action Check turn off the pover Turn on the circuit breaker power is interrupted n the safety swtch Does not operate El ectricity is failed dv other nachi ne is repl ace fuse and return ia 3 nA 4 i or breaker breaker swtch to ori gi nal PP posi ti on nachi ne is nornal Si nce conp stops by roomsensor it autonatically resunes operation wen the room tenp is above the set tenp nachi ne is nornal it Ml y fan operated but roomtenp above the set aut onat i cal y resunes electric heater is not tenp cool i ng operation wen the room temp is belowthe set tenp LI doses not ci rcul ate cool i ng water sot AA er is not added cool i ng water V en used cool i ng tower fan does not operated fan operate Both fan and conpressor fan rotates in a reverse check correct directi on operate but stop soon di recti on air suction or discharge renove dust hol e is cl ogged wth dust tank strainer is cl ogged renove dust amp scale wth dust water injection nozzle is cleaning nozzle cl ogged fan rotates in a reverse w nd speed is insuffi ci ent di recti on wi le fan operates pe air filter is clogged cl or replace the air Ml y fan operated but roomtenp belowthe set conpressor is not tenp cool i ng change the wri ng If the cause is not renoved after taking above actions or if ESTA the cause is not include i nto above category PI ea
22. perates And he display appears in the follow ng sequence SystemStart MLE auto hum tenp Local Start Rumi ng OUTPUT COND TI CN Heati ng N STEP 4 Pressing RUNSTCP swtch once nore nachi ne stops And display appears in the fol ow ng sequence SYSTEM READY LOCAL STC Press a RUN swtch to star a system e If power interrupts duri ng nornal operation and power is reconnected operati on aut onati cal starts even if RUVST swtch is not pressed How to check the operati on condi ti on when nachi ne stops 1 Pressing DISPLAY SCAN sw tch di spl ay appears in the fol low ng sequence ROOM COND TI CN m 16 5 C 3798H roomtenperature and hunndi ty SET PQ NI CPA m 24 0 C 550RH desi red tenperature and hunndi ty SET PQ NI PB l 3 0 degC 10 RH desi red proportion bel t PB SET PO NI STEP 1 5 degC 10 RH desi red step tenperature and humdi t y AHJ SET PQ NI DB m 1 0 degC 5ORH desi red desensi ti zed bel t DB SET PQ NI HJM AM m AMPARE 15 6 A desi red regul ar currant of hunndi fy 2 Pressing O SPLAY SCAN sw tch once nore di spl ay returns to the original condi ti ons How to check the operati on condi ti on duri ng operati on 1 Pressing O SPLAY SCAN sw tch displ ay appears in the fol low ng sequence o ok ROOM COND TI ON m 16 5 C 379RH roomtenperature and hunndi ty SET PQ NI CP 24 000 5598H
23. rol node SELF TROUBLE DI AGNOSTIC FUNCTI ON When nachi ne fails err lanplight up and follow ng display appears di spl ay SYSTEM ERROR NDOCR FI LTER LOG sucti on hol e filter is cl ogged air cooling type cooling tower SYSTEM ERRCR fails or does not operate AXP CONTACT OPEN water cooling type poor external auxiliary si gnal SYSTEM ERROR indoor bl ower notor overl oad NOOCR FAN OVER LOD overl oad rel ay operates 4k SYSTEM ERROR air cooling type conpl overl oad GUTDOCR 1 OVER LOAD ED out door unit 1 overl oad air cooling type conp2 overl oad water cooling type out door unit 2 over oad xk SYSTEM ERROR air cool i ng type conp3 overl oad water cooling type REZ out door unit 3 overl oad k SYSTEM ERROR A dock OVER HEATI NG BURN heater or hunndi fier overheati ng over heating protector O D WATER OVER FLOW condensate overfl ow SYSTEM ERRCR poor tenperature and hunndi ty ROOM SENSOR TROUBLE sensor open or short ek SYSTEM ERROR m ene SYSTEM ERROR kur di fi exceed the 140 setti ng regul ar HUM O FI ER FALT umdi fi er over curra eri dok SYSTEM ERROR over currant relay GT FAT OR LOG unt fank overtaken thernal protector x SYSTEM ERRCR hi gh I ow pressure sw tch COMPRESSOR 1 OVER LOAD COE ONE MORA AW over currant relay thernal protector dok SYSTEM ERROR over currant rel ay GIEFACZOR GG
24. se contact LL a Fa us and advi se us of the type and nanufacturi ng nunber of your NIE air conditioner Then we would i npl enent servi ce i nmedi atel y E Y i iiy k li A AA TI Lu J J r Caution of handl i ng refri gerant Vhen repl ace or suppl y the refri gerant pl ease consult authori zed dealer or specialist for the installati on work Leakage refrigerant or not operate the nachi ne worked non speci al i st Do not replace or supply work by user Shortage refri gerant it caused bed conditions or cooling effect deteri orates by nachi ne Quality of supply water 1 Check the quality of supply water as foll ow itens PH 25 C 6 8 80 conducti vity 25 C 0 0 200 bel ow chloride ind C 2 50 bel ow sulfuric ion SOV SOY 50 bel ow aci d consuner anount PH 4 8 CaCQy 50 bel ow Cay 70 bel ow Fe Fe l 0 3 bel ow anmonoumi on MY D N4 2 0 2 bel ow 2 Do not control of quality of supply water it nay cause not use hunndifier for ong tines 3 When need after service please contact your dealer or service center Don t used quality of supply water it nay cause water level sensor trouble and eakage wat er Please cleaning the cylinder once in 2 weeks check the water evel sensor How to use control er E Name of parts m Howto use and operati on
25. tes and duri ng long tine turn off the power or nachi ne is contamnated to cause troubl e circuit breaker Vhen use varmvater or steam renove The first start operating di spl ayed WATER water in steamheater before the nachi ne EMPTY SIGNAL It s not fault The si gnal is running If existed water in freezing reset when the water supply in hunndi f y heater heater caused broken Economc operati on Keep blinds or curtains closed Do not let Adjust the vertical horizontal airflow di rect sunshi ne enter the roomwhen the grill direction by hand Wen verti cal nachi ne is in operati on airflowgrill is upper rising the effect of cool i ng VENTILATE Indoor tenperature and outdoor tenperature differential gap is 5 degrees sui tabl y Ventil ate the roomoccasi onal y Since w ndovs are kept closed it is a good i dea to open themand venti ate the roomnow and then Make sure that the doors and wndovs are shut tight Avoid opening doors and w ndovs as much as possi bl e to keep the cool air in the room Do not clean the nachi ne surface by oil or grease lt nay cause change of color Rai raragerert An air filer renoves dust fromair to clean the exhausted wnd If it not cleaned for a long wile dust accunal ates on the filter wich interferes wth air fl ow and deteriorates the cooling perfornance in this case overheating nay occur during cooling operation to cause fire cleanit once or nore every
26. upts CPA PB DB and PID tine are stored in the sem conductor el enent So there is no need to set themagai n The follow ng are di spl ayed on the LCD dependi ng on the control status during operation 3CYCLE SystemStart di I MIE auto hunh tenp tenperature and hunndi ty autonati c control node SystemStart MIE auto tenp only tenper at ure autonati c control node SystemStart di j MIE auto hum only onl y hunndi ty autonati c control node SystemStart MIE auto cool only only cool ing autonati c control node iy coding atoratic corral mde DO EN 4 strong or weak humdi fi er operati on a i H AE LON hi gh mddl e or ow dehunndi fi er operati on CONTROL FUNCTI ON Dependi ng on the difference between the set tenperature and roomtenperat ure sensed by sensor the fol ow ng tenperature control er functi ons 1 roomtenperature di spl ay range OC 50 C 1 roomtenperature less then 0 C LOC di spl ay 2 roomtenperature nore then 50 C H C di spl ay 2 roomtenperature control range 10 C 40 C default 25 C GA 3 desensi ti zed bel t DB tenperature DB controlled output does not respond to the sl i ght fl uctuati on in roomtenperature 0 2 C 5 0 C default 0 50 DB 4 proportional range or step control range PB proportional control range 0 5 C 10 0 C default 1 5 C PB 5 step tenperature control range 0 5 C 5 C default 1 5 C
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