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SERVICE MANUAL

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1. WIRING DIAGRAM MODEL SSH I184BE INDOOR UNIT mE MAIN CONTROL POD CNI P4 OFAN TRANSFORMER __ BLUE H BROWN YLW GRN DISPLAY E YLW GRN GREEN wie CIRCUIT d n BLUE WHITE PART KO BLACK m RED W eu GENERATOR OPTIONAL TH BROWN BLACK E dil T LNE EVAPORATOR Ag MOTOR PROTECTOR AR SAA LL INSIDE OR OUTSIDE PAN MOTOR INDOOR UNIT ios OUTDOOR UNIT COMPRESSOR VALVE M weg s M sd RED BLUE Ligi LS E INSIDE OUTSIDE COMPRESSOR BROWN WHITE WHITE PROTECTOR CAPACITOR RED BLACK YELLOW 3 BLUE BLUE BLUE TLV GRN BLUE FAN CAPACITOR ORG BLUE CN JUNCTION JUNCTION OPT gi FAN MOTO OPTIONAL PART INDOOR UNIT OUTDOOR UNIT PROTECTOR INSIDE 22 Air Conditioner Service Manual WIRING DIAGRAM MODEL SSH I24
2. ELE 0 04 08 SWING MOTOR e y MOTOR PROTECTOR INSIDE OR OUTSIDE GENERATOR FAN MOTOR OPTIONAL PART NDOOR WNIT UNIT OUTDOOR UNIT amm 1 2 pal m __ __ uj ae BU PSN Pr 2a DE S PR i Lille a mp e is PD pep YEN GRN YEWIGRN eo Omo GI sS mo NT amp PTB DC BLU EE PRA O a aK P10 W N 8 me ont OPTIONAL PART z um T 00 OUTDOOR ENVIONMENT TEMP SENSOR OUTDOOR PIPE TEMP SENSOR FANMOTOR on T ac PO cnr 5 PMV ELECTR PANSION HE OUTDOOR UNIT gt Yt pee pun a a RP a o slp wi sm ie ls eel 26 Air Conditioner Service Manual Operation Details Remote controller TEMP button Increase the temperature or time by 1 unit TEMP DOWN button Decrease the temperature or time by 1 unit ON OFF button To switch the conditioner on and off FAN SPEED button To select the fan speed of auto low mid high TIMER button To set automatic switching on off SLEEP button To activate the function SLEEP ECO button In cooling mode press this b
3. WIRING DIAGRAM MODEL SSH L094DC W SSH L094DC S INDOOR UNIT TRANSFORMER YEW GRK ma i I m QU ue mn DISPLAY MAIN CONTROL m CIRCUIT cy PB Eu ACN BLU ai ACL gw VENGAN ci SWING MOTOR m LNR memm L1 GENERATOR QUTDOOR PAN MOTOR OPTIONAL PART INDOOR UNIT UNIT OUTDOOR UNIT 1 1 BLK ORG P3 MD mw Plo c3 ym zt un 8 INDUCTOR hui FAQ Pee PHAD p P610 gt e AN i neo Lm fa Ss INDOOR 7 Y CPRESSOR UNIT wn 275 OO 8 ROO em amp 2 20 709 H 5 HE mam pl oo COMPREESSOR PROTECT SWITCH 1 I H 5 IPTIQUL PART T a C OUTDOOR TEMP SENSOR jn i OUTDOOR ENVIRONMENT TEMP SENSOR d C OUTDOOR PIPE TEMP SENSOR OUTDOOR UNIT A iu Rr AA eee te ee A TP Pe er err eet Tee 25 Air Conditioner Service Manual WIRING DIAGRAM MODEL SSH L124DC W SSH L124DC S INDOOR UNIT TRANSFORMER i 84 MAIN CONTROL CIRCUIT
4. SIAITAlTSO wu vun oo olo ola A S lt S Slr ololala O o o o NIN m 00 CU CQ c lt 00 Ex MIM OID 20 Air Conditioner Service Manual WIRING DIAGRAM MODEL SSH 1074BE SSH 1094BE SSH 1124BE INDOOR UNIT MAIN CONTROL BLUE CNI YELLON TRANSFORMER RED e M i BROWN WHITE I W nud DISPLAY COM GENERATOR CIRCUIT CN OPTIONAL PART M oy YLW GRN GREEN T moja 8 MOTOR PROTECTOR um 2 lt INSIDE OR OUTSIDE SPEED FEEDBACE PAN MOTOR INDOOR UNIT OUTDOOR UNIT COMPRESSOR VALVE M BLACK RED BLUE BROWN WHITE WHITE INSIDE OUTSTDE COMPRESSOR 1 m BLACK PROTECTOR YELLOW 3 BLUE BLUE N BLUE BLUE YLW GRN BLUE FAN CAPACITOR ORG BLUE CN JUNCTION JUNCTION OPT n YLW GRN FAN MOTOR OPTIONAL PART INDOOR UNIT OUTDOOR UNIT PROTECTOR INSIDE 21 Air Conditioner Service Manual
5. P 1 SS C C d naa 10 10010016 Compressor And Tt Accessories 1 O ST dP CSCS 2010 way Valve 1 S IN AN SSS S o ioo L 1121990040 Three way Valve S Flecteal Box Cover 1 19 Cabie Clamp sd feae Campa ssid ios 17010 10 1 35 17010 05 1 1080010006 1080020001 PansBox AN Oooo 7 26 10850 Capillary Assembly L 35 190070001 39 1151990014 190706 48 Air Conditioner Service Manual Outdoor Unit SRH II84BE 3 3 Condenser E S 3 1080050004 Outdoor Motor Supporter 1 s 7004009 outdoor Mowr L 1 PropelierFan L 1 7 1080050001 LeRGrleSuponer 1 1080050009 mone 3 L fosos20112 Jo L 1100020053 Compressor And Te Accessories 1 fewayvae I 20501359 asvay Valve Assembly A 5 11 71 iosoosooz i 2 2 2 2 2 25 2 27 28 49 Air Conditioner Service Manual Outdoor Unit
6. Outdoor heat exchanger e contaminated Indoor heat exchanger contaminated Bad compressor 2 2 Precautions on repair 1 When discharging refrigerant from pipe or body the discharge outlet should direct the direction where nobody exists 2 Do not work near fire or flame 3 Work in a large space if possible and arrange the scaffold 4 Especially for working on rooftop prepare a place to keep tools and take care to prevent from falling 5 While running pump down work test run do not insert hands into fan 6 Clean the Indoor outdoor connecting pipes and the manifold gauge edges to be free from dust or moisture 7 Be sure to fill refrigerant to the specified level If refrigerant is too much or short the capacity is down and trouble may occur 8 Keep tools well and check the measuring machine periodically 73 3 Troubleshooting Air Conditioner Service Manual 3 1 Product does not operate at all Power input voltage Driving load terminal Display PCB connector Connector contact check Power supply voltage check Power trans output voltage PCB assy check 74 Power receptable voltage Product input voltage Evaportor condenser connecting pipe PCB assy fuse varistor pattern AC about 14 3V General model Air Conditioner Service Manual 3 2 Room
7. ing Valve Higher Cooling load is small Current flows weakly Normal Liquid refrigerant suction High pressure is not Excessive refrigerant charging increased rapidly in early running stage Gas short Gas leak Current is low Lower Higher Closed Pipe internal Current is low Note The high low temperature is a figure converted into pressure The low pressure is normally 4 5 6 0kg cm G Temperature is normally 3 10 70 Air Conditioner Service Manual Pressure measurement of low pressure side Indoor Unit High pressure Liquid side tube Outdoor Unit Closed Closed As shown in Figure above connect the manifold gauge to the low pressure gas side tube of condenser and mea sure the pressure 2 1 3 Symptoms and actions 1 Short of refrigerant The short of refrigerant appears in a slightly different symptom as 1 no refrigerant or 2 short of refrigerant 1 Symptoms 2 Judgement method 3 Actions The temperature difference of suction discharge air is 8 or less the running current is less than the rated current and the pressure of low pressure side is low These are symtoms changed by short of refrigerant Frost is formed from the capillary tube outlet to the evaporator inlet The suction pipe of compressor is not cold The temperature of suction pipe is similar to the outdoor temperature The pressure of low pressure side in cooling is 4kg cm
8. 9 Outdoor air temperature sensor failure 10 Outdoor coil temperature sensor failure 11 Outdoor discharge pipe temperature sensor failure 12 Voltage sensor failure 13 Current sensor failure 14 IPM abnormity 15 Outdoor communication abnormity 16 DC fan motor no feedback 17 defrosting 57 Air Conditioner Service Manual EXPLOSION VIEW Mode SSH L094DC W SSH L124DC S INDOOR UNIT 10 11 58 Air Conditioner Service Manual Indoor Unit SSH L094DC W SSH L094DC S PartNo __ ____ 0 Aron Ple x j i C os C R UTE Eos 1 2 WwebmmgeAsemby 1 7 ec vane ana JA x s 1 3 E 39 Pit a Bo x r ona A image ose OA 9 Femmnatansboaa __ Jj 39 21 gt vu gt SS 33 SS x 2 x 1 1 39 Controller IT Notshownin Explosion view Remo Controller Supponer 3 39 NN MEC DIU i N Rig
9. Air Conditioner Service Manual Indoor Unit SSH I074BE 1 SCCSCSC S 2 haoso 1 j 5 1210231201 amp 1070250016 7 076320440 1070250419 5 07032012 BeewCoer 7710 1090251109 1070250425 Display Box 712 1070250106 Display Cover 1170120044 Power Supply Cord 716 1070250416 iT 1070110011 EA AM xr l r l xr l xr l 0 xr l xr l 1070320113 117002001 5 1073030201 E 117024000 1170230001 r 1070220101 Not shown in Explosion view 1191990105 Right Foaming 41 Air Conditioner Service Manual Indoor Unit SSH I094BE 1080030003 instalation Plate 2 1070320112 1070250425 Display PCB Box 1070251069 Display PCB Cover Power Supply Cord 1070250416 1080250033 107022011 In I I 1070060003 Remote Controller Supporter 1 E Right Foaming Not shown in Explosion view EA Bz si 42 Air Conditioner Service Manual Indoor Unit SSH II24BE 1 3 1070220011 1070320445 Face Frame 10 Display PCB 1070250425 Display PCB Box 12 1070320109 Air Filter i i P i 17 i E 20 n 22 23 Indoor Motor 24 25 Transformer 26 1170230001 Indoor Sensor Assembly 1 27 1
10. 1 Non leveled indoor 2 Mal linked drain hose Slanted Evaporator Horizon Drain pan drainage lt leaks Connect hoses with drain pan Guidelines E Indoors need to be leveled E Confirm the water draining is good or not by For a better drain the install plate may be poring water into the drain pan Med are Joram panis E Connecting parts of drain pan and hose should be well fixed with bond for waterproofing Install plate V Weight 85 Air Conditioner Service Manual Leakage Drainage 2 5 Case 6 1 Drain hose extend adding another hose Factor 2 Drain hose laying Troubles amp Causes Water leaks came from the extending or laying work of drain hose Defect Details 1 Improperly extended drain hose 2 Curved or upward drain hose Water leaks through the inside connected drain Drain hose Guidelines E Connect the extending hose outside and seal B Install the drain hose straightened and with bond and finish by taping downward Drain hose Extending hose _ Downward 86 Air Conditioner Service Manual Leakage Drainage 3 5 Case 7 Factor Drain piping and ending Troubles amp Water leaks caused by upwarded drain hose along the wall through hole and clogged drain Causes hose with water Defect Details 1 Upwarded drain hose along the wall through 2 Clogged drain hose with w
11. 5 8 s 0 10 1 1100120015 Compressor And It Accessories 1 2 3 4 5 1 E 1073521301 Electrical Box Cover 1 1 1 1 1 1 1 6 7 oo 9 n 58 29 1174561802 30 5 2 3 4 1 2 2 2 2 2 2 2 32 33 46 Air Conditioner Service Manual Outdoor Unit SRH IO94BE Ow mem 3 a rss 3 3 Condenser LL r L 4 1081990018 Outdoor Motor Sapporo sss s L e 7 eR GrilleSupporer O 1 Ss 10 1 mono vay Valve Ay L L 15 CEN CN A foroo 1s 16 100035 L 19 Jj 3 L j 7 22 foo Motor Capat 17010 26 Compressor Capacitor 1 sss 7 24 Capacitor Sip Oo SSCS SEO 1 120091548 Capillary Assembly 1 L 27 or 47 Air Conditioner Service Manual Outdoor Unit SRH II24BE 3 82008 L 3 coa _ r 7 4 i080050008 Outdoor Motor Supporer 12 71 s 7 6 7
12. SRH 1244BE 3 Sid SP 1990042 Outdoor Motor Sapporo 1 O Oo 1 6 1170120146A ora 7 ett Grille Supporter L 1100020032 Compressor Accesories 1 SS mener 12070101 away Valve Asembly fonoa ValveSuponer 19 fabe Camp 3 imos 1174561802 Outdoor Sensor 50 TCLAir Conditioner Service Manual Operation Details Remote controller n Y button Increase the temperature or time by 1 unit TEMP DOWN button Decrease the temperature or time by 1 unit ON OFF button To switch the conditioner on and off FAN SPEED button To select the fan speed of auto low mid high TIMER button To set automatic switching on off SLEEP button To activate the function SLEEP ECO button In cooling mode press this button temperature will increase 2 C on the base of setting temperature d l 2316 10 29 09309 lt 8 In heating mode press this button the temperature will decrease 2 on the base of setting temperature SLEEP MODE T
13. When the failure is confirmed once there is feedback signal the failue is relieved automatic 34 Air Conditioner Service Manual EXPLOSION VIEW MODEL SSH I074BE SSH I094BE SSH I124BE SSH I184BE INDOOR UNIT 3 14 35 Air Conditioner Service Manual EXPLOSION VIEW Model SRH 1244BE INDOOR UNIT 14 36 EXPLOSION VIEW Mode SSH I074BE OUTDOOR UNIT 10 Air Conditioner Service Manual 2999 NN SSSSSS SSS SN SS 555 SEO PS SOS SN Z 555555556 5 SS SS 555555555 ZZ SSN ERS 55555595555 d SERN Z SSS 55555 555 OS NS ses SS 12 13 14 15 2 2 8 7 26 37 Air Conditioner Service Manual EXPLOSION VIEW MODEL SSH I0934E SSH I184BE OUTDOOR UNIT 8 diy SOTO SAAS n 38 iN e Ru 5 N Air Conditioner Service Manual EXPLOSION VIEW Model SRH 1124BE OUTDOOR UNIT s 555 See OA 5555 26 25 24 23 22 21 39 EXPLOSION VIEW MODEL SSH D44BE OUTDOOR UNIT Air Conditioner Service Manual IPPO ESTAR 11 n 13 22 21 20 40
14. C and lasts 2 Running into defrosting on condition 1 the first running time of set defrosting is F 8min after running a defrosting cycle the defrosting time should be determined and adjusted Figure 3 Condition 2 When running time is more than or equal to 120 min compressor is running accumulatively the indoor temperature is less than 35 for 2 min sustained Running into defrosting under condition 2 defrosting time set is 8 min Condition 3 after the compressor is operating for 20min continuously the indoor temperature is less than 23 C which is anti cold wind temperature when the fan stops running including temperature droping when compressor operating not including the compressor s starting course and the machine runs into defrosting according to any one condiciton as below Running into defrosting under condition 3 defrosting time set is 10 min a Running into the first defrosting in 20 min after start up b The interval from last defrosting equivalent to or more than 50 min stopping the compressor or the machine in standby is allowed in the meantime Option 2 No Jumper JC and no OPT outdoor sensor when the compressor runs for 45 min if the indoor coil temperature is less than 40 C for 2 min the machine runs into defrosting and lasts for 3min otherwise when the compressor runs for 120 min the machine runs into defrosting automatically and last for 10 min Option 3 No jumper JC but w
15. Cooling capacity 2 5 Case 12 Factor Spacing for the air flows in window type air conditioners 8 Cooling capacity downs bad air flows Defect Details 1 The space for air intake is too narrow 2 The space for air discharge is too narrow Closed air intake flow Closed air discharge flow Guidelines E Ensure not to disturb the air intake flows W Ensure not to disturb the air discharge flows The awning is recommended for a optimum cooling 92 Air Conditioner Service Manual Cooling capacity 3 5 Case 13 Factor Improper installation and awning for outdoor unit Troubles amp Causes Cooling capacity downs by improper air flows and awning Defect Details 1 The outdoor shut in a verandah does not work normally The air around the outdoor unit arise too high Verandah 2 Improper awning Guidelines B Discharged air should be outward and not Establish a proper awning disturbed Living room 93 Air Conditioner Service Manual Cooling capacity 4 5 Case 14 Factor Using crushed tubes and changed tubes 8 Cooling capacity downs by the crushed tubes and changed tubes Details 1 Crushed tube by improper bending works Crushed area 2 Changed tubing from specified tubes Not using proper tubes designed for each product Guidelines E To get a good shaped tube after bending E In changing air con
16. H Xcoil width L Outdoorunit Isolation A O Moisture Protection Permissible Excessive Operating Pressure for theDischarge Side MPa 2 9 Permissible Excessive Operating Pressure for Sound Pressure Level dB A H M L Sound Power Level dB H M L Dimension W H D mm Dimension of Package L W H mm Connection ight 5 Height m ME 15 _ Air Conditioner Service Manual 2175 1980 10 1 9 2 780 A Fan Motor Speed r min SH H M L OutputofFanMotr W 23 O Input of Heater W fo Fan Motor Capacitor WF 115022 Evaporator drophilic aluminum fin copper tube _____ 97 _____ indoorunit TRow FinGap mm Coil length 1 X height H Xcoil width L Output of Swing Motor W Sound Pressure Level dB A H M L Sound Power Level dB A H M L o 3239 Dimension of Package L W H mm 23 1 5 Pipe Diameter mm o7 2 1 4 1 39 Outdoorunit Connection Pipe Air Conditioner Service Manmual Rotary BEA 72 0 5 Coil length I X height H Xcoil width L 901 609 19 05 Isolation AY Moisture Protection Permissible Excessive Operating Pressure tor theDischarge Side MPa Permissible Excessive Operating Pressure for theSuction Side MPa Sound Pressure Level dB A H M L Dimension W H D mm Dimension of Package L W H mm Gas additional
17. charge g m 40 9 52 3 8 UOI iem Air Conditioner Service Manual Model Product Code A ae Function Rated Voltage Rated Frequency Total Capacity W Power Input W 726 300 1050 702 300 1220 Rated Input W Air Flow Volume 600 Dehumidifying Volume 2 00 EER Energy Class Fan Motor Speed r min SH H M L Indoar rit Pipe Diameter mm o7 Row Fin Gap mm 38 36 34 26 Dimension W H D mm 800 280 185 Dimension of Package L W H mm Outdoorunit Connection Pipe Air Conditioner Service Manual Model of Outdoor Unit SRH LO94DC W SRH LO94DC S p Product Code DA89X1C 20FZ3 Rotary ipe Diameter mm Coil length X height H Xcoil width L Eoo Permissible Excessive Operating Pressure tor theDischarge Side MPa 4 5 1 9 theSuction Side MPa Sound Pressure Level dB A H M L Dimension W H D mm Dimension of Package L W H mm 15 Air Conditioner Service Manual Product Code 0 00000000 3503 1520 3960 4323 1610 4840 1350 1700 Dehumidifying Volume h 09 EER C O P WW E an Motor Speed r min SH H M L an Type Diameter Length mm Coil length I X height width L Dimension W H D mm Air Conditioner Service Manmual Product Code Compressor Type Rotary Pipe Diameter mm Coil length X height H Xcoil width L Outdoo
18. compressor s running Guidelines Cut away the surplus tubings But if there are any surplus tubings left for some reasons be sure to fix them stably with fixing bands 4 Fixing band 97 Air Conditioner Service Manual Wiring mistake 1 2 Case 18 Factor Wiring in 3 phase electric power lines amp Major electrical problems not operating properly by bad wirings Defect Details 1 Not firmly fixed screws of electric power 2 Wiring mistake of fan s electric power lines lines It can be led to critical accidents for outdoor Fan rotates reversely and the unit will be shutdown with overload Fixing screw Circu it breaker Exclusive Air discharge Reversed flow Guidelines B Fix screws firmly E Confirm the R S T phase lines respectively b Each phase should be matched Circuit breaker one by one Exclusive RST 98 TCL Conditioner Service Manual Wiring mistake 2 2 Case 19 Factor Poor electric insulation Meu bles amp Major electrical problems not operating properly by bad insulations of connecting cables auses Defect Details Poor electric insulations of connecting cables between indoor and outdoor Insulation break Badly insulated or damaged cables To indoor Black From outdoor Cupper pipes Guidelines How to confirm the correct insulations of connecti
19. in cooling mode at 16 C or 18 C for 3 minutes After that the system will operate in cooling mode with lowest fan speed meanwhile the set temperature ST is RT 2 C which means that the ST is room temperature at then minus 2 During the course of this mode the fan speed set operation and room temperature set are restricted except the vane motor adjusting 5 HEATING Mode Operation available for Heat Pump only 1 Frequency control The same as the frequency control in cooing mode running frequency of compressor is controlled by controller Unit change its running frequency according 8 t to make room temperature closing to the set temperature 2 Indoor fan motor control 1 Cold Air Prevention Control The function is intended to prevent cold air from being discharged when the heating operation starts or when defrosting The indoor fan speed will be controlled as following 53 Air Conditioner Service Manual Temperature up 37C setting 33 C low fan 34 C 25 C breeze 30 C stop 22 C Temperature down In the heating operation if the air conditioner is turned off the indoor fan motor will run most for 30 seconds since the stop of compressor 2 Auto fan control heating In heating mode include in l feel mode fan speed is determined by t as the following PUE come down dtcome up 3 5 high fan 3 0 bes midium fan 1 0 low fan 3 4 way valve control In heating mode 4 way v
20. items when troubleshooting the refrigerant system 1 The thermostat setting or remocon temperature setting is not wrong 2 Air filter is not cleaned 3 Blower fan control switch is not at low 4 Ventilation lever is not opened 5 There is no obstacle in suction or discharge side of outdoor unit 6 Dirty heat exchanger causes the heat exchanging efficiency to be down Thorough cleaning 7 Cooling heating load is not increased 8 Too many persons are in room Cooling 9 The insulation of window gap is not wrong If there is no trouble from the above checks and also if there is no trouble on the electric appliances of airconditioner body it is assumed as refrigerant system failure a Set aircon to High cool run cooling for 15 min or more and measure the temperature difference of suc tion discharge air in indoor unit Adjust the wind direction so that wind is discharged to the front direction in the installed condition b Measure the voltage and current in running condition Measure the pressure of low pressure side in cooling condition If the temperature is low convert into the test switch 2 1 1 Temperature difference and current of suction discharge air in evaporator No temperature difference Gas leak almost Refrigerant 80 or less of rated current cycle closed Temperature difference of suction discharge air Running current measurement Temperature diff Under 8 Gas leak refriger
21. shape may differ from that of the air conditioner you have selected Air Conditioner Service Manmual Installation Instructions jnstallation Diagram gt Distance from ceiling should be over 50 mm Distance from wall should be over 50mm 4 Distance from the wall should be over 50mm Distance from floor should be over 2500mm Air intake distance from the wall Air intake distance from should be over 250mm the wall should be NS Y over 250mm e Above figure is only a simple presentation of the unit it may not match the external appearance of the unit you purchased Installation must be performed in accordance with the national wiring standards by authorized personnel only Very Important Installation must done by a registered qualified installer Refer warranty section at the back of this manual 19 Air Conditioner Service Manual imensions Product D 20 mm 57 Indoor Unit S Wireless remote controller Outdoor Unit Unit mm iuf dw x a s s olor co co Ho a qa co olo oO o o t 30
22. the following conditions must be met a the compressor runs for more than 3min b indoor fan runs normally c not in defrosting state d auxiliary electric heating is turned off for more than 30s e ST RT23 C f RT lt 22 g IPT lt 43 C 3 The conditions of stopping auxiliary electric heating any one of the following conditions met the state stops a the compressor stops b RT224 C c IPT gt 48 C d indoor fan stops e running into sleeping function 5 Fan mode 1 Indoor fan motor control 31 Air Conditioner Service Manual indoor fan motor is running at setting speed the speed is same as that of heating 2 Vane motor control running according to the setting 3 The outdoor unit is not working under fan mode 6 Sleeping mode 1 Under sleep mode the indoor fan motor is running at a low airflow speed except that the power light and sleep light are on timer light is on off according to the setting state running light is off LED is off after displaying 5min 2 Temperature control 1 From cool mode to sleep mode one hour later the operates Temp ST 1 another one hour later the operates Temp ST 2 after then unchanged 2 From heating mode to sleep mode one hour later the operates ST 1 another one hour later the operates Temp ST 2 after then unchanged 3 the machine will automatically shut up after running 8 hours under sleep mode Timer on start up and sleep mode are implement
23. 070320101 in And Out Pipe Fixer 1 28 1090050298AN Remote Controller 1 29 1070060003 Remote Controller Supporter 1 I Not shown in Explosion view 1 30 17900608286 31 1191990104 Foaming 32 1191990105 Right Foaming pe Le p HE B HERES 14 ETA O np 2 22 23 M 25 26 2 28 30 E 32 43 Air Conditioner Service Manual Indoor Unit SSH 1184BE Installation Plate L 1 2 Bue C 31 3 pes S FacFume 9 1070305 1 12 1070040004 Cable Clamp 070310003 Left Air Filter 1 07017001 1 1070451080 Electrical Box 1170020041 1075030201 29 1070060003 Remote Controller Supporter 1 3 9006005 1 35 1190060057 MislePascbosriSupponer 1 34 119006006 Foaming Supporter 1 090500220 Main PCB qS Not shown in Explosion view 44 Air Conditioner Service Manual Indoor Unit 55 244 3 1070020024AA 10 osi 1070450199 6 1 2 1110030065 25 1070350152 1070060003 Not shown in Explosion view 45 Air Conditioner Service Manual Outdoor Unit SRH 1074BE No 0 No
24. 2 G or less Surrounding temperature 30 or over Refrigerant oil comes out from the evaporator condenser connections and each welded portion Finding the gas leak place Find the gas leak area Check at balance pressure of 5kg cm2 G or over Charge refrigerant to the specified level 9 Check for gas leak 2 Closing of refrigerant system 1 Symptoms 2 Judgement method If the refrigerant system of strainer or capillary tube is closed pressure drops at the outlet of closed area and refrigerant evaporates to form and attach dew or frost The running current is less than the rated current and the pressure of low pres sure side is lower than the normal If completely closed the pressure of low pressure side is to be Okg cm2 G as time goes by The same symptoms as the short of refrigerant appears and the same phenome non occurs even if refrigerant is sealed It takes 3 min or more for refrigerant to balance If running in the condition the temperature of discharge gas becomes higher the refrigerant oil is deteriorated and the life time may be affected Compressor motor may be burnt 71 Air Conditioner Service Manual 3 Overcharge 1 Symptoms e The temperature difference of suction discharge air is 8 C or less the running current is higher than the specified current the pressure of low pressure side is high and the compressor and suction pipe are cold If running in the condition pressure swit
25. 4BE INDOOR UNIT MED MAIN CONTROL PCB n Qu PS VAL E P4 0FAN TRANSFORMER m P LW GRN MEE BLACK RED CIRCUIT GENERATOR TH OPTIONAL M N m ist 6 1 05 2 p i po Er ex EVAPORATOR MOTOR PROTECTOR o S Z INSIDE OR OUTSIDE FAN MOTOR INDOOR UNIT UNIT OUTDOOR UNIT COMPRESSOR VALVE 7 RM INSIDE RED BLUE WHITE WHITE JEN PROTECTOR COMPRESSOR er CAPACITOR YELLOW BLUE BLUE BLUE N BLUE BLUE BROWN L BLUE FAN N RED YELLOW YLW GRN CONTACTOR B 0 2 1 E FAN MOTOROPTIONAL PART INDOOR UNIT OUTDOOR UNIT PROTECTOR INSIDE 23 Air Conditioner Service Manual imensions Product D 20 mm 57 Indoor Unit S Wireless remote controller Outdoor Unit Unit mm M IQ oo gt eq e 91 xi m as S me o lt gt Sq Sx 24 Air Conditioner Service Manual
26. 94DC S 220 240V 50Hz l SSH L124DC S O SRH L124DC S Air Conditioner Service Manual Technical specifications SSH 074BE 5 074 Product Code COOLING HEATING Rated Voltage 220 240V Rated Frequency 50Hz Total Capacity W 2200 2250 Power Input W 623 685 Rated Input W Air Flow Volume m3 h 430 430 IEER C OIP WW Fan Motor Speed r min SH H M L 1250 1150 1050 F mm Cross flow fan Diameter Length 88 8 545 Hydrophilic aluminum fin copper tube Pipe Diameter Indoorunit mm il length 1 X height i Sound Pressure Level dB A H M L kg Dimension W H D mm 718 240 180 Dimension of Package L W H mm 805x305x255 6 2 7 8 Net Weight Gross Weight Outdoorunit Connection Pipe Air Conditioner Service Manual 621462 12 7 895 Fan Motor Capacitor uF Permissible Excessive Operating Pressure for the Discharge Side MPa Permissible Excessive Operating Pressure for theSuction Side MPa 50 Dimension of Package L W H mm 6 1 4 Air Conditioner Service Manual Model Product Code popu e Function Rated Voltage Rated Frequenc Total Capacity W 2700 2780 Power Input W 835 768 Rated Input W Air Flow Volume m3 h 430 430 Dehumidifying Volume l h C O P W W Energy Class Model of Indoor Unit Fan Motor Speed r min SH H M L Diameter Length mm Coil leng
27. According to difference room temperature and set temperature 6 t RT ST running frequency of compressor is controlled by electronic controller When room temperature is much higher than set temperature compressor will start at a high frequency and as room temperature goes down compressor running frequency will go down When room temperature is lower than set temperature compressor will run at very low frequency In general unit will change its running frequency according to 6 t to make room temperature closing to set temperature 2 Outdoor temperature affects running frequency of compressor Outdoor temperature affect compressor s running frequency Difference inlet temperature of outdoor unit is adapted by difference compressor running frequency While outdoor temperature is about 30 C the compressor will run in high frequency If unit run in cooling mode and outdoor temperature is less than 1 C controller will shut down compressor and show error code while the ambient temperature is over the compressor will run automatically 3 Auto fan control in cooling mode In cooling mode include cooling in I feel mode fan speed is determined by t as the following diagram per dt come down dt come up 3 5 high fan 3 0 1 5 midium fan E low fan 4 DRY Mode Operation 1 The system for DRY operation used the same refrigerant circle as the cooling one 2 When the system operates DRY mode at first it operates
28. Auto restart function 1 The PCB retains the setting parameters in case of power off When the power supply is resumed the machine which has been started up the power off memory function is able to restore into the original running state automatically 2 To press the emergency button and power on and hold on 10 seconds exit from the power off memory function buzzer rings four tomes default no this function 10 Protection Troubleshooting functions 32 Air Conditioner Service Manual 1 Compressor s protection function The which has Power off memory function once this function is started up the compressor goes along 3min delay protection when power on If the PCB hasn t been started up this function even when the PCB is power on the compressor doesn t process 3 min delay function b Compressor s 3 min interval protection the compressor can t start up until 3 min later except for defrosting process c After the compressor started the 5 state isn t subject to the changes on in 3min 2 Anti frosting protection of indoor evaporator If IPT 0 C detected in consecutive 5 min compressor and outdoor motor stoped indoor fan motor runs at high speed forcibly IPT 2 5 C detected 3min later then outdoor fan is activated And the compressor indoor fan motor restores the original state 3 Overheating protection IPT gt 55 C the outdoor fan stops IPT gt 65 C the compressor sto
29. IMER 5 MODE button I To select the mode of operation eco C 9 SUPER button In cooling mode press this button the unit will give ON OFF the maximum cooling temperature with 16 C ON m Cobo In heating mode press this button the unit will give the maximum heating temperature with 31 C SWING button To activate or deactivate of the movement of the DEFLECTORS DISPLAY button To switch on off the LED display if present HEALTHY button To switch on off HEALTHY funtion It is a button which controls the ionizer or plasma generator only for inverter type RESET button This button is useless for wall mounted type When you press 3D the horizontal and vertical vanes will swing together at the same time ANTI MILDEW button To activate the function ANTI MILDEW 8 Note Each mode and relevant function will be further specified following pages Remote Control The remote controller isnot presetting as Cooling Only Air Conditioner or Heat Pump by manufacturer Each time after the remote controllerreplace batteries or is energized the arrowhead will flashes on the front of Heat Cool on LCD of the remote controller User can preset the remote controllertype dependingon the air conditionertype you have purchased as follows Press any button when the arrowhead flashes onthe frontof Cool Cooling Only is set Press any button when the arrowhead fl
30. Make U trap against the waterdrop inflow Outdoor unit E tapings should be upward form downside Taping direction Indoor unit 89 Air Conditioner Service Manual Freon shortage Case 10 Factor Tube Extending and freon adding amp Cooling capacity downs by the freon shortage Defect Details 1 Not adding freon for extended tubings 2 Gas leakage on welded points for extending tubings Guidelines E Ensure to add freon after extending tubings For a simple check of proper freon quantity com pare the in and out air temperature after 15 m in Air out from com pressor s running lt Temp diff gt Cooling 8deg Heating 14deg E Detect the gas leakages before insulation tubing confirm new welded points 90 Air Conditioner Service Manual Cooling capacity 1 5 Case 11 Factor Spacing for the air flows in split type air conditioners amp Cooling capacity downs by bad air flows Defect Details 1 The space for air intake is too narrow 2 The space for air discharge is too narrow Guidelines E Ensure the distance needed for air flows E Bad air flows lead cooling capacity s drop The product may not run normally as the accumulated heat make compressor stop by protecting device s work like PTC 91 Air Conditioner Service Manual
31. Only is set Press any button when the arrowhead flashes onthe frontof Heat Heat Pump is set If you don t press button within 10 seconds the remote controlleris presetas Heat Pump automatically Note If the air conditioner you purchased is a Cooling Only one but you preset remote controller as Heat Pump it doesn t bring any matter Butif the air conditioner you purchased is a Heat Pump one and you preset remote controller as Cooling Only then you CAN NOT preset the Heating operation with the remote controller 27 Air Conditioner Service Manual Electronic controller 1 Automatic mode 1 Initial RT determines the working mode and mode is determined effective only once unless A C shut down then re started If from other modes switches to autoamatic mode including mode conversion after shutdown it should be that the compress stop more than 3 min then temperature judgement and automatic mode are conducted it can conduct immediately from fan mode switched to automatic the indoor fan stops three minutes later the response is made and start up Within 3 min the output as Showing the room temperature indoor fans starts or anti cold airflow the outdoor fan stops 2 With memory controller once being turned off or in case of an accidently power cut the A C is able to retain and restore the original mode when being turned on or the power supply is resumed if the auto restart function activat
32. SHIVAKI WALL MOUNTED SPLIT TYPE AIR CONDITIONERS SERVICE MANUAL No TE121023 Models SSH 1074BE SSH 1094BE SSH 1124BE SSH I184BE SSH 1244BE SSH L094DC SSH L124DC Air Conditioner Service Manual IMPORTANT NOTICE This service manual is intended for use by individuals possessing adequate backgrounds of electrical electronic and mechanical experience Any attempt to repair the appliance may result in personal injury and property damage The manufacturer or seller cannot be responsible for the interpretation of this information nor can it assume any liability in connection with its use The information specifications and parameter are subject to change due to technical modification or improvement without any prior notice The accurate specifications are presented on the nameplate label How to order spare parts To have your order filled promptly and correctly please furnish the following information 1 Model No with Indoor or Outdoor 2 No in the Explosion View 3 Part Name 4 The quantity you ordered Air Conditioner Service Manual Summary and features Panel Z Panel BM W 5 For fixed type For DC inverter 7K 9K Outdoor Unit 12K Outdoor Unit 18K Outdoor Unit 5 1 Models Remarks SSH 1094BE SRH 1094BE Fixed type I SSH LO94DC W SRH L094DC W I SSH L124DC W SRH L124DC W DC inverter I SSH LO94DC S SRH LO
33. alve will power on ahead of compressor for 5 seconds and cut off for 2 minutes later than compressor s stop 4 way valve will not power off unless the machine is switched off mode changed or on the process of defrosting 4 Defrosting Defrosting is controlled by the microprocessor When one of the following conditions is satisfied unit will come into defrosting a Outdoor heat exchanger Temperature OPT is continuously less than 3 C while the unit runs for more than 40 minutes and OPT is keeping under 6 C for more than 3 minutes b Outdoor heat exchanger Temperature OPT is continuously less than 3 C meanwhile the unit runs for more than 80 minutes and OPT is keeping under 4 C for more than 3 minutes c Outdoor heat exchanger Temperature is continuously less than 3 C while the unit runs for more than 120 minutes and OPT is keeping below 2 C for more than 3 minutes Before the air con come into defrosting compressor running frequency drop down to a lower frequency firstly then the compressor shuts down In defrosting the max frequency of compressor is F9 a little less than the highest frequency In this period all protection function are avaliable 54 Air Conditioner Service Manual ON compressor OFF 4 way valve oN OFF ON outdoor fan motororF 205 10s lt 10m 20s 10s In defrosting LED showing by winking Come into or out of defrosting indoor fan motor speed is the same as Cold Air Preve
34. ant cycle 80 or less of rated current closed bad compressor Temperature diff Under 8 Rated current or over Excessive refrigerant charging Temperature diff 8 C or over No refrigerant cycle trouble Temperature difference of suction discharge air Normally the temperature difference is based at 10 Actually the judgemnt criteria is 8 C because when the room humidity is high the temperature difference is small and when humidity is low it becomes large 69 Air Conditioner Service Manual 2 1 2 Pressure and temperature of refrigerant Capillary Tube Indoor Side o gt o o gt Low pressure Gas side tube The pressure in normal condition shows the figure in the right side table but the pressure P1 of high pressure side tube is affected Compressor Outdoor Side Compressor Measuring place Pressure kg cm G greatly by the temperature change and about 16kg cm G in a low P1 About19 5 temperature condition indoor outdoor 21 30 I 2 About 5 0 The pressure fluctuation is affected by the tube length or insulation as well as temperature change so measure the pressure P2 of low pressure side for the trouble shooting of refrigerant system Trouble finding by pressure temperature gt Pressure Temperature Cause Explanation than normal than normal p Bad compression C kI Higher Compressor failure Bad revers
35. ashes onthe frontof Heat Heat Pump is set If you don t press any button within 10 seconds the remote controlleris presetas Heat Pump automatically Note If the air conditioner you purchased 1 a Cooling Only one butyou presetthe remote controller as Heat Pump it doesn t bringany matter Butif the air conditioner you purchased is a Heat Pumpone and you presetthe remote controller as Cooling Only then you CAN NOT preset the Heating operation with the remote controller 51 Air Conditioner Service Manual Electronic Controller 1 3 Safety Protection 1 Time Delay for Safety protection 3 minutes delay for compressor The compressor is ceased for 3minutes before restarting to balance the pressure in the refrigeration cycle in order to protect the compressor 2 minutes delay for 4 way valve The 4 way valve will be ceased for 2 minutes late after compressor to prevent the refrigerant gas abnormal noise when the HEATING operation is OFF or switch to the other operation mode 2 Discharge temperature protection There is a temperature sensor on top of compressor when temperature on top of compressor exceeded the limit system control will shut down the compressor and the display board will show the error code 3 lower voltage protection When AC voltage lt 158 and keep it for 10 seconds unit will be shut down for protection 4 Over voltage protection When AC voltage 2260V unit will be shut down and recove
36. ater Drainage can t flow down across the wall Drainage can t flow down along the hose Guidelines E The wall through hole should be downward Don t make drain hose clogged with water Arrange gap 87 Air Conditioner Service Manual Leakage Drainage 4 5 Case 8 Factor Insulation work on connecting parts and hidden parts of tubings Troubles amp Water leaks caused by wrong insulation works on tubing lines Causes Defect Details 1 Incomplete insulation works on tube 2 Un insulated hidden parts connecting parts Ceiling amp 66 60 68 68 68 49 48 Drainage flows Drainage flows down down from the incompletely hidden parts insulated parts Guidelines Completely insulate weak points like pipe connection and hidden parts Ceiling a Use designated i Hidden parts like behind 7 insulations on pipe the ceiling is a weak point connecting parts too 88 Air Conditioner Service Manual Leakage Drainage 5 5 Factor Tubing and taping works against the waterdrops Case 9 Troubles amp Causes Water leaks by the waterdrops led by wrong tubing and taping works Defect Details 1 Pipe from upside lead waterdrops rain drainage etc into the room outdoor unit 2 Wrong taping direction lead waterdrops into the room too A Aw wate ata a amp PL Outdoor unit Downward Guidelines Waterdrops E
37. ch activates at overload operation to make continuous operation impossible compressor is difficult to start and fuse or breaker is easy to be disconnected O Dischage the refrigerant By 3 5kg cm2G Charge refrigerant to the specified level 9 Check for gas leak 2 Actions 4 Bad compression 1 Symptoms The temperature difference of suction discharge air is little the running current is less than the specified current the pressure of high pressure side is low and the pressure of low pressure is high Close service valve of high pressure side in condenser front seat and connect the manifold gauge to the service valve of low pressure side Close the valve If the dial of pressure gauge does not indicate Okg cm G or less by cooling in the con dition the compressor is judged as bad 2 Judgement method Outdoor Note If pressure gauge is near Okg cm G immediately stop the cooling Otherwise air flows into the refrigerating cycle or the compressor motor coating is taken off to cause the poor insulation So care should be taken 72 Air Conditioner Service Manual 2 1 4 Summary of check items by cause Check item Suction discharge air Rated current Low pressure High pressure temp diff of evaporator Cause Cooling 8 C Heating 14 C Cooling Heating Cooling Heating Cooling Heating Short of refrigerant Capillary closing a part
38. de orderly and every grade of air flow speed runs 1 minute at least 28 Air Conditioner Service Manual 3 Dry mode running into this mode the Air cond firstly operates for 3 minutes according to cooling mode set temperature is 7 C and then takes the detected backflow air temperature minus 2 C as a new set temperature the minimum value of 5 C and runs according to cooling mode indoor fan operates at low speed at this moment the setting operation of Fan speed is invalid but Swing is adjustable 4 Heating mode On the Heating mode the room temperature is repaired After repaired the room temperature display the LED 3 1 The control of the compressor a When ST CRT21 C the compressor is running b When ST CRT lt 1 C the compressor is off c When 1 CxST CRT 1C the compressor keeps its original state 2 Outdoor fan motor and the compressor run simultaneously except for defrosting 3 The control of indoor fan motor a Indoor fan motor can operate by automatic low middle and high airflow speed circularly b indoor fan motor s the automatic airflow speed control Indoor fan motor can operate by automatic as shown in Figure 2 ST CRT 1C 2 C 4 C Figure 2 Heating automatic airflow When the temperature changes lead to changes in airflow speed the switch can only be made orderly and every grade of air flow speed runs 1 minute at least 4 Vane motor control run as set state 5 4 way valv
39. ditioning unit the tubes too use specified spring or bending tools should be changed with proper ones Spring for bending Bending tool 94 Air Conditioner Service Manual Cooling capacity 5 5 Case 15 Factor Long distance tubings Jrgunps amp Cooling capacity downs by long distance tubings Defect Details E installed too high beyond recommended height difference between indoor and outdoor unit Higher than recommended 1st floor Guidelines Recommending maximum distances between indoor and outdoor unit RAC Split vertical 5m horizontal 10m 3 0 HP 2 vertical 5m horizontal 10m PAC 3 5 Hp J vertical 5m horizontal 20m 95 Air Conditioner Service Manual Noise 1 2 Case 16 Factor Unstable installing units Ho amp Noise from the unstably installed parts and units Defect Details 1 Unstable installed outdoor unit 2 Released fittings and fasteners Indoor unit Slanted Guidelines E Install the unit balanced stably using specified legs etc E To prevent vibrations and noises fasten tightly all Parallel the connecting parts for electric heater steam line aralle air duct line etc 96 Air Conditioner Service Manual Noise 2 2 Case 17 Factor Unstably fixed tubings HS amp Noise and vibration form the tubings Defect Details E Unstable fixing of surplus tubings will make vibrations and noises during the
40. e control a Under heating mode the four way valve maintains well connected status including the compressor stops on set condition but except for the defrosting process b When the mode switches into the heating mode or start up four way valves will open 5 Seconds before the compressor starts while the mode exits from the heating mode or turn off the four way valve will close 2min after after the shut down the compressor 6 Defrosting function During defrosting once mode switch temperature setting signals received and the buzzer and display make response immediately but the other operations won t implemented until defrosting finished During defrosting the signals of on off timing sleep airflow speed ans swing will be responded but the airflow speed and swing should be in accordance with anti cold air rules Except the above signal processing during defrosting no other signals will be dealt with but only a loud buzz During defrosting electrical heating stops compulsively Defrosting enter and exit pragram Option 1 with jumper JC The condition of enter defrosting run into defrosting once any of condition 1 2 and 3 met 29 Air Conditioner Service Manual Condition 1 As shown in figure 3 Defination The followings are all required to meet a IPT1 settles for IPT1 IPTmax AIPT 8 C b t5250min running time t5250min the compressor runs cumulatively 15 is removable and could be less than t1 c IPT lt 40
41. ed power down after power on while if the auto restart fundction isn t activated the A C enters standby state Heat pump Mode Initial RT Initial ST Cooling RT226 C 23 C Dehumifying 26 gt gt 20 18 C Heating RT lt 20 C 23 C Cooling only Mode Initial RT Initial ST Cooling RT226 C 23 C Dehumifying 26 C gt RT220 C 18 C Ventilating RT lt 20 C Under automatic mode including from automatic converted into dehumidifying Dry mode when the temperature up and down signals from the remote controller is received the setting temperature ST adjusts correspondingly to the current room temperature plus or minus 1 C the automatic regulating temperature range is 2 C 2 Cooling mode 1 The control of the compressor a When RT ST21 C the compressor is running b When RT ST lt 1 C the compressor is off c When 1 CSRT ST lt 1 C the compressor keeps its original state 2 Outdoor fan motor and the compressor run simultaneously except for defrosting 3 The control of indoor fan motor a Indoor fan motor can operate by automatic low middle and high airflow speed circularly b Indoor fan motor s the automatic airflow speed control Indoor fan motor can operate by automatic as shown in Figure 1 Hi Mid ee RT ST 2 C 4C Figure 1 Cooling automatic airflow When the temperature changes lead to changes in airflow speed the switch can only be ma
42. ed at the same time and the sleep mode can not be functioned 7 Timing fuction The timing scale is between 1h to 12h the displayed time is shown by 1 hour as the unit 8 Emergency switch ON OFF 1 When stand by to operate by pressing the emergency switch as follows To Press the emergency switch in three seconds the buzzer rings once and to release the machine runs into cooling mode if to holding on the buzzer rings twince then the machine runs into heating mode while when the machine is on to press the emergency Switch the buzzer rings once and then the machine shut down 2 The machine is running mandatorily as the selected mode within 30min after emergency operation indoor fan motor is running in high speed and vane board is swinging The machine runs into automatic mode 30min later the selected mode unchanged the set temperature is 23 C rotate speed of indoor fan motor is automatic and vane board is swinging too 3 To press the emergency button when the machine operating then the machine runs into stand by state 4 Under emergency operation the Compressor s time lapse protection anti frosting protection in cooling Overheating protection in heating and sensor fault protection and defrost operate are effective 5 Under emergency operation once effective signal from remote controller is received then the machine exits form the emergency mode and operate according to the setting from remote controller 9
43. fan does not operate at all Connector contact check Motor output connector Motor capacitor a Motor bearing inserted state Fan Blower fixed state Fan Blower contact state Motor related parts check Coil resistance TP Motor detail check Motor capacitor Motor insulation resistance aaa Error code check Communication effor Blower lock sensing In dehumidifying heating or artificial intelligence Operation room fan may be off Motor driving circuit Relay output 75 Air Conditioner Service Manual 3 3 Compressor or outdoor fan does not operate at all Re input after power off Set the desired temperature of remocon to be lower by 2 C or over than room temperature and start the cooling operation Does not operate at all Temperature sensor open close check Connector check Contact amp power Disconnection short circuit check of connecting wire Electric wire connection check for outdoor side Compressor amp motor detail check Insulation resistance Coil resistance Capacitor capacity Compressor OLP Repeat running stopping at a short time period Thermistor and evaporator surface contact check Clearance is needed bmm Connector check Contact amp power OLP High pressure switch Low pressure switch check Operation
44. g the Emergency button for more than 10 seconds until three short beeps are heard The Auto restart function has been started Protection and Failure Display When protection display is available controller will show error code digital LED shows error code and setting temperature by turns is more than one failure it will show at first that in front of the error list Protection display function can be selected in hardware and the default don t display To insure of in and out communist is credibility the failures relate to outdoor unit will remain failure state for 2 minutes max after recovered Inallfailures only sensor failures don t have to repower to cancel Error list Failure type LED CODE DIGITAL LED CODE In and out communication failure TIMER both winking EO Outdoor communication failure TIMER both winking EC Outdoor sensor RUN 1 time 8s E1 Indoor coil temperature sensor RUN 2 times 8s E2 Outdoor coil temperature sensor RUN 3 times 8s System abnormity RUN times 85 E4 Type mismatch RUN 5 times 85 ES Indoor fan motor RUN 6 times 8s E6 Outdoor temperature sensor RUN 7 times 8s E7 Discharge temperature sensor RUN 8 times 8s E8 Invert module abnormity RUN 9 times 8s E9 Outdoor fan motor DC RUN 10 times 8s EF Current sensor RUN 11 times 8s EA EEPROM failure RUN 12 times 8s EE Top of compressor temperature
45. ht Foaming Middle Pasteboard Supporter 59 Air Conditioner Service Manual EXPLOSION VIEW MODEL SSH L094DC W SSH L094DC S OUTDOOR UNIT 2626 e 23 22 21 20 19 18 17 12 13 14 15 16 10 11 60 Air Conditioner Service Manual OUTDOOR UNIT Model SSH LO94DC WSSH 09406 S A 3 me x 3 x 4 By WwW N Pipe Temp sensor and outdoor 1 Not shown in explosion view Temp sensor Inverter module NP gt 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 N N wj 92 590 sai 61 Air Conditioner Service Manual 1 TROUBLE SHOOTING INDEX 1 Electric parts 2 Refrigerant system 3 Troubleshooting 4 Installation Fundamentals 62 Air Conditioner Service Manual 1 Electric parts is compressor and motor fan that finally drives after power is supplied And it is necessary to check the inter nal factors like switches protectors or lead wires that are needed to reach the compressor and motor fan to see if their connections are normal and the external factors to see if voltage is normally supplied 1 1 External factors check 1 Working power and voltage drop The rated voltage for airconditioner is specified in a workable range In order to operate airconditioner normally
46. iring work 63 Air Conditioner Service Manual 3 Wire thickness required Rated current appliance A Nominal cross sectional area mm Up to and including 6 Over 6 up to and including 10 Over 10 up to and including 16 Over 32 up to and including 40 Over 40 up to and including 63 0 75 For rated currents up to a nominal cross sectional area of 0 5mm is only allowed if the length of the cord does not exceed 2m 1 2 Internal factors check E Operation switch Rotary switch Remocon Power supply Function parts Operation indicator lamp Relay reversing coil Conductor Thermistor 1 2 1 Insulation resistance Compressor Protector Motor Fan Pressure switch O L P Fuse Measure the insulation resistance between live part and dead metal part by 500V insulation resistor to check if the insulation resistance is more than 10 1 2 2 Insulation resistance measurement of compressor Measure the insulation resistance of compressor between compressor terminal and dead metal part by insu lation resistor and the insulation resistance should be above 10MQ Compressor may change the insulation resistance while running Accordingly measure the insulation resistance just after running as needed Note For R 22 used in airconditioner the dielectric rate on liquid state is high If a contaminant is mixed into R 22 the electric resistance is extre
47. ischarge Side MPa Permissible Excessive Operating Pressure for Dimension W H D mm Dimension of Package L W H mm 614 52 5 15 OuterDiameter Liquid Pipe mm 6 1 4 5 9 52 3 8 Height m 5 Max Distance Length m Air Conditioner Service Manmual Model Product Code Function Total Capacity W Power Input W Rated Input W m3 h Dehumidifying Volume C O P W W Energy Class Model of Indoor Unit an Motor Speed r min SH H M L Output of Fan Motor W nput of Heater W an Motor Capacitor uF an Motor RLA A an Type Diameter Length mm Evaporator Pipe Diameter mm Row Fin Gap mm Coil length I X height H Xcoil width L wing Motor Model utput of Swing Motor W use A ound Pressure Level dB A H M L ound Power Level dB A H M L Dimension W H D mm Dimension of Package L W H mm Net Weight Gross Weight kg Indoorunit SSH M84BE SRH 1184BE O es ee COOLING HEATING 220 240V 5280 5420 1640 1500 7 6 7 780 780 ol SSH 1184BE 1300 1220 1150 1250 1150 1050 DIN 4 O PE AAA Cross flow fan 994x709 Hydrophilic aluminum fin copper tube 705 315 25 4 GBJDJ 01 L gt E AAA 227 3 154 48 46 44 AA 898 280 202 985 365 298 9 3 11 8 23 1 5 31 lt 1 35 Air Conditioner Service Manmual Coil length I X height
48. it is desirable for the working voltage and minimum starting voltage to be within the following chart range Especially just the fact that the voltage when airconditioner is not at work is within the working voltage range is insufficient and the voltage is sure to be within the working voltage range by measuring in a operating condi tion Input voltage V1 Usable voltage Product rating 10 Voltage drop Voltage gt Running voltage V3 Starting voltage V2 Time 2 Electric wire capacity The electric wire for airconditioner should have an allowable current more than the load current of the circuit and be able to control the voltage drop by the load current within 296 And it should be a thickness capable of keeping the voltage drop by a starting current within 1096 and espe cially for an airconditioner of single phase the voltage drop Flicker voltage by the starting currnet be within about 5 V1 V2 Voltage drop by the starting current of airconditioner Flicker voltage V1 V3 Voltage drop by the normal running current of airconditioner V1 V3 Vi V2 X 100 lt 2 B case 100 lt 5 A case V1 1 In case of using an airconditioner a low voltage area where power supply voltage is low especially the Flicker voltage due to inadequate wires may cause the fluorescent light to be off or may affect the other electric products So care should be taken to the w
49. ith OPT outdoor sensor When heating when the temperature of outdoor unit under heat exchange is lower than E C 4 C and the compressor runs for 45 min then the machine runs into defrosting and last for 10 min Option 4 When heating when the outdoor fan motor stopped but the compressor not stopped 30 Air Conditioner Service Manual accumulative total 30min then the machine runs into defrosting and last for 8 min if the accumulative total less than 30min but accord with one of the condition option 1 3 them the machine runs into defrosting at the option 1 3 and the accumulative tota time restarts from O Conditions for quitting defrostng 1 The quitting conditions for option 1 and option 2 the machine quits from defrosting if any one below condition met a Defrosring time is over b When it runs in defrosting for three minutes the IPT indoor coil temperature rises 15 C or above from the bottom point 2 The quitting conditions for option 3 When gt 20 C or defrosting for more than 10 min then quit from defrosting 3 Defrosting process shown in Figure 4 The indoor fan runs in anti cold wind mode Outdoor Fan 4 Valve Compressor Relay p a I 393 158 Defrostingtime 12min 195 1 55 Figure 4 Defrosting process 7 Auxiliary Electric heating function 1 The default condition is automatic on off the electric heating function 2 The conditions of auxiliary electric heating all
50. ized sized b won t be b will make small contact assemsled into the nut with nut and gas leak against even a weak shock Guidelines Recommending sizes for several pipes which make proper connectings unit mm a Pipe dia b Hight c Flared dia 96 35 1 0 1 3 8 3 8 7 09 52 0 8 1 0 12 0 12 4 012 70 0 5 0 8 15 4 15 8 915 8 0 5 0 8 18 6 19 0 019 05 0 0 5 23 3 22 9 83 Air Conditioner Service Manual Leakage Freon 4 4 Factor Flare nut s fastening Troubles amp Damaged flares by over fastening make gas leakages Causes And incompletely fastened nuts too Defect Details Damaged Flares by over fastening Incompletely fastened nuts gt 4 2X D Indoor Side Guidelines W Fastening Torques of Flare Nuts Tube Dia mm 6 35 9 52 15 88 19 05 W Torque wrench is required for proper fastenings Check gas leakages of 4 fastened points and welded Torques Kg Cm points with soap bubbles ctc 160 200 High pressure points amid compressor s running 350 450 Low pressure points amid compressor s not running 450 550 550 650 84 Air Conditioner Service Manual Leakage Drainage 1 5 Case 5 1 Indoors leveling Factor 2 Drain hose connecting Troubles amp Causes Water leaks caused by the inclined indoor unit and the drain hose s bad connecting Details
51. mely low and the poor insulation is occurred Accordingly be sure to prevent contaminants from mixing into refrigerant system 64 Air Conditioner Service Manual 1 2 3 Running capacitor 1 Earth inspection between terminal and body As shown in Figure 1 connect a resistor between one side terminal and body of condenser to check for continuity 2 Capacity inspection 1 Remove the lead wire from both terminals of condenser to be checked 2 Contact both terminals of lead wire for 2 3 sec and discharge Be sure to perform to prevent the tester damage before measuring 3 After discharging contact both terminals of tester with the terminal of condenser to see the dial vibrating direction of resistor See Figure 2 There are three kinds of dial vibrating direction in tester and each vibrating direction and symptom is as follows A Normal Dial shakes instantaneously and returns to the original state immediately B Short Dial remains moved C Capacity consumed up Dial does not move at all Figure 1 Figure 2 1 2 4 Motor fan 1 Power off remove motor fan and test independently 2 Measure the resistance of main coil sub coil and control coil in motor 3 Use a good quality of capacitor in testing 4 Diagnose the following troubles by the independent test and replace motor a Motor is not started b Motor rotation rises very slowly Bearing failure The shaft does not move Arc occurs in
52. mode dehumidifying check PCB assy check Temperature sensing circuit Relay output 76 Air Conditioner Service Manual 3 4 Up down vane does not operate at all Vane bending structures interferance check Motor shaft assembly check constant torque is felt when rotating vane by hands the assembled condition is normal p 1i Connector check Disconnection short circuit malconnection Blower operating condition check At the moment the blower is stopped up down vane auto switch is stopped and if blower is started auto switch is re operated Especially it occurs while dehumidifying or heating A _ _ z gt E gt E gt E4AA gt gt A _ _ _ ______ QQ_ Qz gt _ _ _ QQ E ___ __ A PCB ass y check 77 Air Conditioner Service Manual 3 5 Left right louver does not operate at all Louver link cam assembly check Motor shaft assembly check If a constant torque is felt when rotating louver by hands the assembled condition is normal ol Connector check Disconnection short circuit malconnection Blower operating condition check At the moment the room fan is stopped louver auto swing is stopped and if room fan is started auto swing is re operated Especially it occurs while dehumidifying or heating AS PCB ass y check Step mot
53. ng cables for the troubles be insulation break 1 Outdoor runs on main electric power s supply Short between white and red cables Fuse melts on compressor s running O Short between red cable and copper pipe Fuse melts on main electric power s supply O Short between black or white cable and copper pipe Main electric braker operates on electric power s supply O Short between black or white cables Main electric braker operates after 10 20 min from electric power s supply O Short between black or white cables Occurs after drainage break into badly insulated parts 99 Air Conditioner Service Manual Bad smells amp Gases Case 20 Factor Bad smells and gases delivered by drain line Troubles amp Bad smells and gases from outside Ex ditch are discharged from the system Causes Be careful not to be confused as if it s from the system Details Discharging bad smells amp gases Bad smells amp gases can be discharged through the drain hose from ditch etc a Bad smells amp gases Guidelines Add trap on the drain line Bad smells amp gases are protected by the trap 100
54. ntion Control One of the following conditions is satisfied unit come out of defrosting and shift to heating mode a Outdoor coil Temperature gt 15 b Defrost time keep time for more than 10 minutes 5 Indoor exchanger overheat protection When Indoor exchanger Temperature IPT is higher than 55 C unit come into indoor exchanger overheat protection Compressor drop its frequency toward to F1 level until IPT lt 52 If IPT lt 52 C and keep for 5 minutes control system don t limit running frequency If IPT gt 62 C control system shut down compressor and recover when IPT drop less than 50 C 6 SLEEP mode When the SLEEP button is pressed the SLEEP mode is selected as following The indoor fan speed is set at low speed the power lamp and the sleep lamp is on the display of temperature will be close after 5 minutes When selecting COOLING DRY operation with SLEEP mode the set temperature will be raised by 1 C 1 hour later and by 2 C 2 hour later When selecting HEATING operation with SLEEP mode the set temperature will be dropped by 1 C 1 hour later and 2 C 2hour later After the System operates SLEEP mode for 8 hours it will stop automatically 7 EMERGENCY Operation When the EMERGENCY Operation switch is pressed once COOLING mode is selected and if in 3 seconds the EMERGENCY Operation switch is pressed again mode is selected Then pressed once again the unit is switch off When the remote controlle
55. or driving circuit Synchronous motor driving circuit 78 Air Conditioner Service Manual 3 6 Function setting by remocon is disable Power input after power off Operation ON by remocon e UCheck the transmission signal of remocon If there is no remocon transmission signal Liquid crystal remocon signal blinked check the battery or remocon operation Button remocon LED blinked 21 product receiving is not checked e UCheck the product receiving check the display PCB Buzzer sounds Switchover the air flow by remocon In cooling mode if compressor is stopped blower is operated at low fan In dehumidifying mode to enhance the dehumidifying effect blower is operated at low fan heating mode blower is stopped or operated at low fan according to the situations defrosting hot start compressor off In Sleep operation mode blower is operated without switched over low or middle fan n artificial intelligence mode room fan switching over is not possible by remocon PCB ass y check Display PCB assy check Connector damage 79 Air Conditioner Service Manual 3 7 Cooling heating conversion is disable Heating operation ON by remocon 4 way valve connection check outdoor unit connecting wire check PCB ass y check Switchover into cooling operation by remocon and after about 30 sec check the 4 wa
56. ow and the pressure of low pressure side is high 2 Cause Damage of valve in compressor inside damage of connecting rod or crank shaft or other internal leak 8 Checking a Stop and then start the condenser fan and if the pressure of high pressure side does not increase the compressor is bad b Measure the temperature of discharge pipe in compressor and if it is abnormally low temperature 50 or less the compressor is bad Conduct the pump down test of system to check the compression capacity Power off the product Close the service valve of liquid line Rotate the valve rod clockwise to close the valve rod Start product and observe the suction pressure If compressor is normal by pumping down the system pressure is kept 0 5 psiG 0 0 35kg cm G and if the suction pressure increases the compressor is bad due to the internal leak or valve damage 4 The compressor to be assumed as bad compression should be replaced If running for a long time in a bad compression condition abnormal superheat may occur and the compressor motor is burnt Clean the cycle 3 Overcurrent flowing while running Check the working pressure and if there is no trouble it is assumed as the compressor bearing damage Replace the compressor Excessive refrigerant charging may cause the overcurrent 68 Air Conditioner Service Manual 2 Refrigerant system 2 1 Refrigerant system troubleshooting Check the following
57. power supply to product 2 Remove the wires connected to the compres sor terminal 3 After checking the ground state cool the compressor sufficiently at room temperature For single phase compressor 4 Measure the resistance of each terminal by Ohm meter R x 1K scale and if dial does not move compressor is in opened condition For three phase compressor 5 Measure the resistance of each terminal by Ohm meter R x 1K scale and if dial does not move the wire between two terminals is disconnected Action Replace the compressor Single phase Three phase OLP may be operated by the following causes so be sure to find and remove the cause 1 Operation at low voltage 2 Defects of operation or starting device 3 Overheat of compressor motor due to the condensing coil closing condensing motor defects liquid line close or injection capillary close 67 Air Conditioner Service Manual 1 3 2 Mechanical troubles 1 Not starting 1 Phenomenon Compressor is not started but the starting current continues to flow 2 Checking Check capacitor for a type where a capacitor for compressor starting or operating is used b If there is no trouble it is judged as lock due to the wear of compressor inside or the damage of lubricating device Replace the compressor 2 Poor compression 1 Phenomenon Compressor is at work but the cooling capacity is weak the pressure of high pressure side is l
58. ps indoor fan motor runs at high speed forcibly When IPT lt 48 C outdoor fan motor and the compressor open indoor fan motor restores the original state 4 Anti cold wind control in heating a When runing into the heating mode once the compressor fails to comply with the start up conditions the wind speed is regulated according to the coil temperature in 2 min including stopping the indoor fan motor 2 min later the indoor fan motor stops If the compressor starts up within 2 min then operating by Figure 5 Under heating process to close the compressor including the downtime protection the wind speed is regulated according to the coil temperature in 1min including stopping the indoor fan 41min later the fan is stoped forcibly b When the indoor fan motor running at a low speed wind and in anti cold wind operation once electric heating opens the vane immediately withdraws from the anti cold windy location and turn back to normal vane angle When electric heating closes indoor fan motor go on to run at low speed wind accordingly the vane turns to anti cold windy location Sel Speed Sel Speed mU Low Speed SUE amemus ButdoIp Stop the fan Figure 5 Anti cold Wind 2 The following table shows the fault protections When failures happens the PCB alarms and buzzer rings three times Failure code appears and the PCB operates protection procedures 33 Air Conditioner Service Manual Fail
59. r is missing has failed or the batteries run down press the EMERGENCY Operation switch on the front of the indoor unit The unit will start The first 30 minutes of operation will be the test run operation The operation is for servicing The indoor fan runs at high speed and the system is in continuous operation The thermostat is ON and the timer is reset to normal After 30 minutes of test run operation the system shifts to AUTO COOLING HEATING mode and the indoor fan runs in automatic speed The operation continues unit the EMERGENCY operation switch is pressed or a button on the remote controller is pressed the normal operation will start NOTE Do not press the EMERGEMCY Operation switch during normal operation 8 AUTO RESTART Function Option 1 When air conditioner is operating in one mode all of its operation data such as working mode and temperature of setup would be memorized into IC by main PCB If power cuts due to 55 Air Conditioner Service Manual some reason when power supply come back again the AUTO RESTART function will set synchronously and automatically to work So the air conditioner would work at the same mode before Auto restart Pre setting optional If Auto restart function is needed follow the steps below to activate this function 1 Pulling the air con s plug out of socket 2 Pressing and holding the Emergency button ON OFF on the indoor then insert the plug into the socket again 3 Keep pressin
60. r while ACx255V 5 Over current protection When the current of outdoor unit is overload controller shut down the unit immediately and show error code 6 Compressor abnormity protection When compressor start on or in the process of running if there is no feedback to controller or load of compressor is abnormity the air conditioner will shut down and show error code 7 IPM module protection IPM module has high temperature amp over current protection itself if there is signal feedback to IPM the outdoor unit will shut down LED on outdoor PCB will show the error code Feel Mode Operation 1 When the I Feel mode is selected the operation mode and initial temperature set determined by the initial room temperature at start up of the operation except to turn off the air conditioner and operates it again 2 If the mode is change to I Feel from other mode the 4 Feel mode doesn t operate until compressor stop for more than 3 minutes Mode Initial Room Temperature Initial Set Temperature COOLING RT gt 26C 23 DRY 26 gt gt 20 RT 2 C HEATING for Heat Pump FAN for Cooling Only Ere Inthe I Feel mode when the controller receives the up or down signal of temperature the set temperature can adjust by 1 C upper or lower The biggest you can adjust by 2 C upper or lower COOLING Mode Operation 52 Air Conditioner Service Manual 1 Compressor frequency control
61. runit Isolation _______ Moisture Protection Permissible Excessive Operating Pressure Tor theDischarge Side MPa Permissible Excessive Operating Pressure for theSuction Side MPa Sound Pressure Level dB A H M L Dimension W H D mm Dimension of Package L W H mm Connection Gas Pipe mm 12 1 2 Height m Length m 15 Air Conditioner Service Manual Identification of Parts Air Intake D NS 567 X Air Outlet Vertical Adjustment Louver Horizontal Adjustment Louver Charcoal Filter optional 7 Electrostatic Filter optional AirFilter D Remote Controller Airintake Outdoor Unit DH o Drain Hose gt NJ PN Note Condensate water drains at COOLING or DRY operation Pipes and Power Connection Cord The figures in this manual are based on the external view of a standard model Consequently the
62. switch RUN 13 times 8s ER Voltage sensor RUN 14 times 8s EU 56 Air Conditioner Service Manual Protection display code list Protection type LED CODE DIGITAL LED CODE higher or lower voltage RUN winking TIMER 1 time 8s P1 Over current RUN winking TIMER 2 times 8s P2 Discharge temperature RUN winking TIMER 4 times 8s P4 Over cooling in cooling mode RUN light TIMER 5 times 8s P5 Over heating in cooling mode RUN light TIMER 6 times 8s P6 Over heating in heating mode RUN light TIMER 7 times 8s P7 Outdoor temperature too high or low RUN light TIMER 8 times 8s P8 Drive protection Overload RUN winking TIMER 9 times 8s P9 Module self protection RUN winking TIMER 10 times 8s PO Outdoor failure display There is a LED on outdoor power board when compressor is running it is normally light when no feedback of signal to power board from compressor it will wink by lighting 1s and going out 1s If failures happened it will light 0 55 go out 0 55 winking several times and go out 3s for a cycle to indicate failures failure list is the follow Wink time Failure 1 IPM protection 2 higher or lower voltage 3 Over current 4 Discharge temperature too high 5 Outdoor coil temperature too high 6 Drive abnormity 7 Communication abnormity with indoor unit 8 Compressor over heat switch on top of compressor
63. th I X height width L Output of Swing Motor W PCB 3 15A Sound Power Level dB H M L O 29 Dimension W H D mm Air Conditioner Service Manual Rotary Coil length I X height H Xcoil width L 621 462 12 7 Outdoorunit Isolation Permissible Excessive Operating Pressure theDischarge Side MPa Permissible Excessive Operating Pressure for Sound Power Level dB H M L Dimension W H D mm Dimension of Package L W H mm Connection 6 1 4 Height m Pr Air Conditioner Service Manual Product Code COOLING HEATING Rated Voltage 220 240V Rated Frequency Total Capacity W 3520 3660 Power Input W 1090 1008 Rated Input W Rated Current A 5 1 4 7 Air Flow Volume m3 h 530 530 1 0 SSH M24BE I SRH I24BE O e 1 1 Dehumidifying Volume l h MA AA EER C OP WW 122 Energy Class Fan Motor Speed r min SH H M L Pipe Diameter mm Row Fin Gap mm 2 1 8 Coil length X height H Xcoil width L 604 231 25 4 Output of Swing Motor W Sound Pressure Level dB A H M L Dimension W H D mm Dimension of Package L W H mm Indoorunit Outdoorunit Connection Pipe Air Conditioner Service Manual Product Code 48A313PM 55KF Rotary Pipe Diameter mm Coil length I X height H Xcoil width L 711 504 12 7 Isolation o j 1 Permissible Excessive Operating Pressure Tor theD
64. the motor inside Smoke emits from motor inside f Excessive noise 65 Air Conditioner Service Manual Measuring main coil resistance White lt gt Black Black Measuring sub coil resistance Brown Black Measuring control coil resistance Red lt gt Black Red 1 2 5 Thermostat There are 3 kinds of thermostat malfunction 1 Leak of gas charged in sensor part 2 Short of contact point 3 Wrong wiring Switch off at room temperature 18 30 C turn carefully the knob of thermostat from 1 to 10 the number may be different or a figure be used according to model or reversely and click sounds After the sound is heard turn reversely to check again the click sounds If click sounds the thermostat is in normal If room temperature exceeds 309 test should be done after cooling by putting the sensor part of thermostat into a cold water container because the contact point is not opened If knob is turned but click does not sound remove the thermostat cover and examine the contact point The fused contact point should be replaced with a new thermostat If contact point is not closed despite of the sensor temperature being sufficiently high the gas at the sensor part may be leaked In this case replace the thermostat When replacing thermostat be sure to conduct after performing carefully as the above content 1 2 6 Thermistor Pull out the lead wire of thermistor terminal to test continuit
65. ure code For the machine has LED the code displays on LED for no LED machine the code reflects by the running light Failure Running Light Flash LED Display RT Sensor Failure Once Period E1 IPT Sensor Failure Twice Period E2 Indoor Fan Motor Failure 6 times Period E6 When there is LED displaying failure code the code is displayed statically if there are several failure codes should be reported at the same time then failure codes appears one by one every eight seconds correspondingly a Sensors failure protection when the 5 temperature is out of the range 50 lt T lt 110 then sensor failue is determined Once RT IPT sensor failures appear the compressor stops and indoor and outdoor fan motors shut off Remote controller deesn t response to any signal except for shutdown During failure the machine can run in fan mode After the failure is settled the PCB restores to standby status b Failure protection of Indoor PG fan motor If there is no feedback signal of rotate speed within 5 the indoor fan motor stops at the same time the compressor outdoor fan moto four way valve and auxiliary electric heater etc cut downn 10 seconds later the indoor fan motor restarts once there is no feedback signal of rotate speed within 5 seconds either then the machine stops and goes into indoor fan motor failure protection buzzer rings three times and running light flashes at 6 times per 8 seceonds
66. utton the temperature will increase 2 C on the base of setting temperature In heating mode press this button the temperature will decrease 2 C on the base of setting temperature MODE button To select the mode of operation SUPER button TIMER ANTI MILDEW SUPER ECO SLEEP HEALTHY 290 0293090 3 In cooling mode press this button the unit will give the maximum cooling temperature with 16 C In heating mode press this button the unit will give e the maximum heating temperature with 31 C SWING button To activate or deactivate of the movement of the DEFLECTORS DISPLAY button To switch on off the LED display if present HEALTHY button To switch on off HEALTHY funtion It is a button which controls the ionizer or plasma generator only for inverter type RESET button To restart REMOTE CONTROL DISPLAY RESET Note Each mode and relevant function will be further specified in following pages Remote Control The remote controller isnot presetting as Cooling Only Air Conditioner or Heat Pump by manufacturer Each time after the remote controllerreplace batteries or is energized the arrowhead will flashes on the front of or Cool on LCD of the remote controller User can preset the remote controller type depending on the air conditioner type you have purchased as follows Press any button when the arrowhead flashes onthe frontof Cool Cooling
67. y Connect a tester to the terminal of thermistor and measure the resistance The resistance value varies according to the measuring condition and temperature so in order to vary temperature forcibly put water in cool the sensor part of thermistor and then measure the resistance and also measure in a condition that the sensor part of thermistor becomes warm by hands 66 Air Conditioner Service Manual 1 3 Compressor trouble diagnosis 1 3 1 Electrical troubles 1 Ground test Test single phase and three phase in the same manner 1 Shut off the power supply to product 2 Remove the wires connected to the compres sor terminal 8 Clean the compressor terminal and discharge suction pipe 4 Measure the resistance of discharge suction 4 pipe and each terminal by using a R x 1K p Ohm Meter scale of Ohm meter Rx1K b If dial moves remarkably the terminal is in ground state So replace the compressor 2 Wrong wiring check of compressor terminal Examine the wiring diagram of compressor terminal or the electric circuit diagram of product on the cover of compressor terminal to check if there is wrong wiring 3 Checking of wire disconnection or overload protector O L P operating condition This check is to see the wire terminal condition of motor inside and for a single phase compressor with O L P built in it identifies the O L P operating condition and wire disconnection 1 Shut off the
68. y valve relay output 4 way valve OFF If 4 way valve is OFF the refrigerant flowing sounds pee due to cycle switchover occurs 4 way valve coil resistance check 80 Air Conditioner Service Manual 4 Installation Fundamentals Leakage Freon 1 4 Case 1 Key Factor Pipe cutting Troubles amp Gas leaks due to the mal flared copper pipes with non rectangular section Causes Details Cutting curved pipe leads mal rectangular section And it makes gas leakage Guidelines Make pipe straight before cutting and it makes a rectangular section 81 Air Conditioner Service Manual Leakage Freon 2 4 Case 2 Key Factor Removing burrs of pipes Troubles amp Causes Gas Leaks due to the burrs caused by cutting and not removing properly Defect Details Burrs not removed properly after cutting Flaring the pipe with burrs not removed after cutting can make freon gas leakages Burrs won t make smooth contacting surfaces Guidelines Burrs should be removed clearly with REAMER Only clean surfaces prevent gas leakages 82 Air Conditioner Service Manual Leakage Freon 3 4 Case 3 Factor Flaring works Troubles Gas leaks and connecting troubles on tubings caused by the inaccurate sizing during flaring Causes works Details Pipe worked with large Pipe worked with small s

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