Electra DCI 80 Service Manual Download

Page: 154 / 162

1. ACCESSORIES SUPPLIED WITH THE AIR CONDITIONER

2. LOCATION OF INDOOR AND OUTDOOR UNIT

3. INSTALLATION/SERVICE TOOLS (ONLY FOR R410A PRODUCT)

4. INSTALLATION OF THE INDOOR UNIT

5. CONDENSATE HOSE CONNECTION

6. ELECTRICAL CONNECTION BETWEEN INDOOR AND OUTDOOR UNIT

7. REFRIGERANT TUBING

8. FINAL TASKS

Summary of Contents for DCI 80

Page 1: ...Service Manual WNG LED LCD DCI Inverter Series REFRIGERANT R410A HEAT PUMP NOVEMBER 2005 Indoor Units Outdoor Units WNG 50 DCI DCI 50 WNG 60 DCI DCI 60 WNG 80 DCI DCI 80...

Page 2: ...iginal and changed pages are Original 0 April 2005 Total number of pages in this publication is 107 consisting of the following Page No Revision No Page No Revision No Page No Revision No Title 1 A 1...

Page 3: ...PRESSURE CURVES WNG 50 60 80 5 1 6 SOUND LEVEL CHARACTERISTICS WNG 50 60 80 6 1 7 ELECTRICAL DATA WNG 50 60 80 7 1 8 WIRING DIAGRAMS WNG 50 60 80 8 1 9 REFRIGERATION DIAGRAMS WNG 50 60 80 9 1 10 TUBIN...

Page 4: ...system connectivity A dry contact for clock or power shedding functions con gurable Base heater connection Cooling operation at outdoor temperature down to 10 C Heating operation at outdoor temperatu...

Page 5: ...Filtration The WNG DCI INV series presents several types of air lters Easily accessible and re usable pre lters mesh Pre charged electrostatic lter disposable Active carbon lter disposable ESF Active...

Page 6: ...ature Feature DCI 50 DCI 60 DCI 80 Display 3 LED s Base Heater Optional Outdoor Fan Variable speed DC Inverter M2L cable Port No Yes Night No Yes STBY No Yes Power Shedding No Yes Alarm No Yes 1 8 Tub...

Page 7: ...4 INTRODUCTION Revision Y05 02 Service Manual WNG 50_60_80 DCI 1 11 Matching Table 1 11 1 R410A OUTDOOR UNITS INDOOR UNITS MODEL REFR WNG50 DCI WNG60 DCI WNG80 DCI DCI 50 R410A DCI 60 R410A DCI 80 R41...

Page 8: ...M L m3 hr 850 760 620 External static pressure Min Max Pa 0 Sound power level 3 H M L dB A 55 51 47 Sound pressure level 4 H M L dB A 43 39 34 Moisture removal l hr 2 Condenstate drain tube I D mm 16...

Page 9: ...00 760 620 External static pressure Min Max Pa 0 Sound power level 3 H M L dB A 56 53 48 Sound pressure level 4 H M L dB A 45 40 34 Moisture removal l hr 2 Condenstate drain tube I D mm 16 Dimensions...

Page 10: ...0x325 Packaged weight kg 24 Units per pallet units 12 units per pallet Stacking height units 6 levels OUTDOOR Refrigerant control EEV Compressor type model Twin Rotary DC Inverter Mitsubishi TNB220F F...

Page 11: ...r ducted units Cooling Indoor 27o C DB 19o C WB Outdoor 35 o C DB Heating Indoor 20o C DB Outdoor 7o C DB 6o C WB 3 1 Operating Limits 3 1 1 R410A Indoor Outdoor Cooling Upper limit 32o C DB 23o C WB...

Page 12: ...4 1 OUTLINE DIMENSIONS Revision Y05 02 Service Manual WNG 50_60_80 DCI 4 OUTLINE DIMENSIONS 4 1 Indoor Unit WNG 50 60 DCI 4 2 Outdoor Unit DCI 50...

Page 13: ...4 2 OUTLINE DIMENSIONS Revision Y05 02 Service Manual WNG 50_60_80 DCI 4 3 Outdoor Unit DCI 60...

Page 14: ...0 261 5 390 10 450 1200 180 R20 187 45 395 85 34 AIR INTAKE AIR OUTLET AIR INTAKE 340 236 1200 TUBING WALL OPENING FOR REAR LEFT ROUTING TUBING WALL OPENING FOR REAR ROUTING 150mm MIN CEILING MOUTING...

Page 15: ...20 30 TC 4 67 4 96 5 25 5 54 5 83 SC 3 94 4 00 4 06 4 12 4 18 PI 1 26 1 28 1 31 1 33 1 36 35 TC 4 42 4 71 5 00 5 29 5 58 SC 3 78 3 84 3 90 3 96 4 02 PI 1 41 1 44 1 46 1 48 1 51 40 TC 4 17 4 46 4 75 5...

Page 16: ...9 1 2 TC 4 59 4 19 3 80 PI 1 48 1 57 1 65 2 1 TC 4 81 4 41 4 02 PI 1 52 1 60 1 69 7 6 TC 6 39 6 00 5 61 PI 1 58 1 66 1 74 10 9 TC 6 72 6 33 5 94 PI 1 61 1 69 1 77 15 12 TC 7 06 6 66 6 27 PI 1 64 1 72...

Page 17: ...65 7 00 SC 4 46 4 53 4 60 4 67 4 74 PI 1 71 1 75 1 78 1 81 1 85 35 TC 5 30 5 65 6 00 6 35 6 70 SC 4 28 4 35 4 42 4 49 4 56 PI 1 92 1 96 1 99 2 02 2 06 40 Protection Range TC 5 00 5 35 5 70 6 05 6 39 S...

Page 18: ...2 1 2 TC 4 97 4 54 4 12 PI 1 70 1 79 1 82 2 1 TC 5 21 4 78 4 35 PI 1 74 1 84 1 93 7 6 TC 6 93 6 50 6 07 PI 1 81 1 90 2 00 10 9 TC 7 28 6 86 6 43 PI 1 84 1 93 2 03 15 12 TC 7 64 7 22 6 79 PI 1 87 1 97...

Page 19: ...65 9 10 SC 6 16 6 25 6 35 6 45 6 54 PI 2 23 2 27 2 32 2 36 2 41 35 TC 6 90 7 35 7 80 8 25 8 70 SC 5 91 6 00 6 10 6 20 6 29 PI 2 50 2 55 2 59 2 63 2 68 40 Protection Range TC 6 50 6 95 7 41 7 86 8 31 S...

Page 20: ...1 2 TC 6 50 5 94 5 38 PI 2 37 2 50 2 63 2 1 TC 6 81 6 25 5 69 PI 2 43 2 56 2 69 7 6 TC 9 06 8 50 7 94 PI 2 52 2 65 2 78 10 9 TC 9 53 8 97 8 41 PI 2 57 2 70 2 83 15 12 TC 10 00 9 44 8 88 PI 2 61 2 75...

Page 21: ...Factor Due to Tubing Length 5 4 1 WNG 50 60 80 DCI Cooling 5 4 2 Heating 0 86 0 88 0 90 0 92 0 94 0 96 0 98 1 00 1 02 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Tubing length m Capacity ratio 0 84 0 86 0...

Page 22: ...ssure VS Outdoor Temp 500 600 700 800 900 1000 1100 10 15 20 25 30 35 40 45 Outdoor DB Temperature C Suction Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB Temp Discharge Pressure VS Outdoor...

Page 23: ...uction Pressure VS Outdoor Temp 200 300 400 500 600 700 800 900 1000 1100 15 10 5 0 5 10 15 Outdoor WB Temperature C Suction Pressure kPa 15 20 25 Indoor DB Discharge Pressure VS Outdoor Temp 1000 150...

Page 24: ...utdoor Temp 500 600 700 800 900 1000 1100 10 15 20 25 30 35 40 45 Outdoor DB Temperature C Suction Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB Temp Discharge Pressure VS Outdoor Temp 1000...

Page 25: ...uction Pressure VS Outdoor Temp 200 300 400 500 600 700 800 900 1000 1100 15 10 5 0 5 10 15 Outdoor WB Temperature C Suction Pressure kPa 15 20 25 Indoor DB Discharge Pressure VS Outdoor Temp 1000 150...

Page 26: ...Outdoor Temp 600 700 800 900 1000 1100 10 15 20 25 30 35 40 45 Outdoor DB Temperature C Suction Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB Temp Discharge Pressure VS Outdoor Temp 1000 150...

Page 27: ...VS Outdoor Temp 200 300 400 500 600 700 800 900 1000 1100 15 10 5 0 5 10 15 Outdoor WB Temperature C Suction Pressure kPa 15 20 25 Indoor DB Discharge Pressure VS Outdoor Temp 1000 1250 1500 1750 200...

Page 28: ...ressure Level Spectrum Measured as Figure 1 WNG 50 WNG 60 BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 OCTAVE BAND SOUND PRESSUR...

Page 29: ...Manual WNG 50_60_80 DCI Sound Pressure Level Spectrum Measured as Figure 1 WNG 80 BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 70 NC 60 NC 50 NC 40 NC 30 NC 20...

Page 30: ...E BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 OCTAVE BAND SOUND PRESSURE LEVEL...

Page 31: ...Heating BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUEN...

Page 32: ...5A 15A 15 7A Inrush Current a 45 A 35A Starting Current b 13 5 A 15A 15 7A Circuit Breaker 20 A Power Supply 3 X 2 5 mm Interconnecting cable 4 X 2 5 mm a Inrush current is the current when power is...

Page 33: ...4 P2 P8 Red 1 megatool P7 P13 4 2 3 8 7 1 P6 White P12 P10 Red Ionizer power out red 6 M Ionizer ESF power out M1 ESF M2 1 2 P24 9 10 P1 Dry contact clock Horizontal stepmotor Vertical stepmotor COM B...

Page 34: ...8 2 WIRING DIAGRAMS Revision Y05 02 Service Manual WNG 50_60_80 DCI 8 3 Indoor Outdoor Units WNG 80 DCI...

Page 35: ...IGERATION DIAGRAMS Revision Y05 02 Service Manual WNG 50_60_80 DCI 9 REFRIGERATION DIAGRAMS 9 1 Heat Pump Models 9 1 1 WNG 50_60 DCI 50_60 DCI Cooling Mode 9 1 2 WNG 50_60 DCI 50_60 DCI Heating Mode E...

Page 36: ...9 2 REFRIGERATION DIAGRAMS Revision Y05 02 Service Manual WNG 50_60_80 DCI 9 1 3 WNG 80 DCI 80 DCI Cooling Mode 9 1 4 WNG 80 DCI 80 DCI Heating Mode...

Page 37: ...1 13 11 13 11 13 1 Valve Protection Cap end 2 Refrigerant Valve Port use Allen wrench to open close 3 Valve Protection Cap 4 Refrigerant Valve 5 Service Port Cap 6 Flare Nut 7 Unit Back Side 8 Copper...

Page 38: ...the requested capacity The capacity request is transferred via indoor to outdoor communication and is represented by a parameter called NLOAD NLOAD is an integer number with values between 0 and 127...

Page 39: ...nterpolated value between minimum and maximum frequency 10 Minimum frequency 0 Compressor is stopped Target frequency limits as a function of outdoor air temperature OAT OAT Range Cool mode limits Hea...

Page 40: ...hen 3 degrees Room temperature 22 for cooling or 25 for heating 11 5 Heating Element Control Heating element can be started if LOAD 0 8 MaximumNLOAD AND Indoor Coil temperature 45 The heating element...

Page 41: ...Control EEV opening is defined as EEV EEVOL EEVCV EEVOL is the initial EEV opening as a function of the compressor frequency operation mode unit model and capacity EEVCV is a correction value for the...

Page 42: ...to the difference between actual room temperature and user set point temperature by PI control In high medium low indoor fan user setting unit will operate fan in selected speed In Auto Fan user sett...

Page 43: ...switch from cool to heat when compressor is off for 3 minutes and T 3 Unit will switch from heat to cool when compressor is off for 5 minutes and T 3 11 18 Dry Mode As long as room temperature is high...

Page 44: ...8 ICT Normal 11 19 2 Indoor Coil over Heating Protection ICT Trend ICT Fast Decreasing Decreasing No Change Increasing Fast Increasing ICT 55 SC SC SC SC SC 53 ICT 55 D1 D1 D2 D2 D2 49 ICT 53 SR SR D...

Page 45: ...Compressor SC 11 19 4 Compressor over Current Protection Normal Stop Rise HzDown1 HzDown2 Stop Compresor CCROC1 CCROC2 CCROC3 CCROC4 CCR 11 19 5 Heat Sink over Heating Protection NA for DCI 25 and 35...

Page 46: ...om Last Deicing DI Deicing Interval Time Interval between Two Deicing Deicing interval time when compressor is first started in heat mode is 10 minutes if OCT 2 and is 40 minutes in other cases Deicin...

Page 47: ...Flow Protection Each of the pins P1 P2 P3 can have two options 1 When it is shorted with P4 0 When it is not shorted to P4 11 20 1 3 Levels Logic used in floor ceiling models P2 P3 Level 0 0 L0 1 0 L1...

Page 48: ...ow when unit is OFF 8 min 11 21 Indoor Unit Dry Contact Indoor unit Dry contact has two alternative functions that are selected by J8 Function Contact Open Contact Short J8 Open Presence Detector Conn...

Page 49: ...section TIMER INDICATOR Lights up during Timer and Sleep operation FILTER INDICATOR Lights up when Air Filter needs to be cleaned COOLING INDICATOR Lights up when system is switched to Cool Mode by us...

Page 50: ...er setting IFAN speed User setting IFAN speed User setting IFAN speed User setting IFAN speed Backlight red OFF OFF ON 3 ON 3 ON 3 OFF Backlight green OFF ON 3 OFF ON 3 ON 3 ON 3 11 24 Outdoor Unit Co...

Page 51: ...served Reserved Reserved Wall Mounted WNG FLO Floor Ceiling PXD Reserved Ducted LS Cassette K 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 IDU Model Jumper Setting J8 J7 J6 J5 J4 J3 WNG25 0 0 0 0 1...

Page 52: ...LECTION ODU3 ODU2 ODU1 ODU0 ODU Model OFF OFF OFF OFF Reserved OFF OFF OFF ON PIN1 PIN2 A DCI 25 OFF OFF ON PIN3 PIN4 OFF B DCI 35 OFF OFF ON PIN3 PIN4 ON PIN1 PIN2 C DCI 50 OFF ON PIN5 PIN6 OFF OFF D...

Page 53: ...tatus Indoor Fan Speed Setting Unit Setting Low Minimum Capacity Setting High Nominal Capacity Setting Auto Maximum Capacity Setting 11 28 Additional Functions and Rules for DUAL split models The DCI...

Page 54: ...a combined NLOAD to the outdoor unit control The combined NLOAD is a weighted average of the indoor units NLOAD The weight of the indoor units as a function of their nominal capacity Indoor Unit Capac...

Page 55: ...ed indoor fan speed MaxNLOADIF1C 40 40 45 50 MaxNLOADIF2C 53 53 62 85 MaxNLOADIF3C 120 120 120 120 MaxNLOADIF4C 127 127 127 127 MaxNLOADIF5C 127 127 127 127 Indoor Fan speeds IFVLOWC 700 700 700 800 I...

Page 56: ...5 85 80 MaxFreqAsOAT2H 60 60 60 60 60 Compressor Over Heating Protection CTTOH1 94 94 94 90 94 CTTOH2 98 98 98 95 98 CTTOH3 102 102 102 102 102 CTTOH4 105 105 105 105 105 Compressor Over Current Prote...

Page 57: ...achine Interface HST Heat Sink Temperature sensor Hz Hertz 1 sec electrical frequency ICT Indoor Coil Temperature RT2 sensor IDU Indoor Unit MCU Micro Controller Unit OAT Outdoor Air Temperature senso...

Page 58: ...ommunication Power HMI 1ph 230V 50Hz 12 2 2 Compressor DC brush less and sensor less 2 5 3 horsepower motor inverter driven compressor 12 2 3 Outdoor Fan DC brush less motor 12 2 4 RV Reverse Valve se...

Page 59: ...mum power consumption when closed Forced Mode input Used to force the operation mode of the system Alarm output indicates a failure at the system Alarm output will be activated when there in the follo...

Page 60: ...will be stored in EEPROM for the speci c IDU System Con guration Problem System will switch to SB Total IDU Code Exceed Limit ODU fault will be stored in EEPROM System Con guration Problem System will...

Page 61: ...channels 12 3 3 Temperature Measurements 12 3 3 1 Thermistor failures de nition Thermistor Thermistor is Disconnected Thermistor is Shorted OCT Temp 40 C Temp 75 C OAT Temp 40 C Temp 75 C CTT Temp 30...

Page 62: ...high medium low indoor fan user setting unit will operate according to the selected speed In AutoFan user setting fan speed will be adjusted automatically according to the calculated NLOAD 12 4 3 Heat...

Page 63: ...is higher then the set point indoor fan will work in low speed and compressor will work between 0 and MaxNLOADIF1C Hz When the room temperature is lower than the set point compressor will be switched...

Page 64: ...commands OPERATION INDICATOR Lights up during operation Blinks for 300 msec to announce that a R C infrared signal has been received and stored Blinks continuously during protections according to the...

Page 65: ...tched Heat Mode by using the Mode Switch on the unit FAN MODE INDICATOR Lights up in Fan Mode activated by local switches FAN SPEED INDICATORS L Lights up when IFAN setting is Low M Lights up when IFA...

Page 66: ...un mode to other operation modes through keyboard or serial ports 12 5 2 Mode Setting Mode de nes the ODU operation mode There are three possible operation modes 1 STBY standby mode 2 COOL the unit op...

Page 67: ...ler is based on the preliminary LOAD calculation the indoor fan speed and the power shedding function NLOAD limits as a function of indoor fan speed Indoor Fan Speed Maximum NLOAD Cooling Maximum NLOA...

Page 68: ...20 steps at a time 12 5 4 3 EEV Operation when ODU changes to SB Mode When the ODU mode is changed to SB the following is performed immediately EEV is set to 200 They remain in this position for 60 Se...

Page 69: ...tdoor Fan Speed Control 12 5 5 1 General Rules o OFAN operates between OFMinRPM to OFMaxRPM o Min time for speed change of OFAN OFMinTimeReduce 60 seconds There are 4 de ned speeds High Med Low and Ve...

Page 70: ...itches to heat cool modes 12 5 5 3 Protection Behavior When the IDU protection the OFAN will reduce OFSpdReducePrtC and OFSpdReducePrtH RPM for cool and heat respectively In cool mode the OFAN will op...

Page 71: ...second level D2 System is in protection third level Stop Compressor SC System is in protection fourth level 12 5 8 2 IDU Protection Level The ODU receives the protection levels from the IDU The prote...

Page 72: ...set according to the state of the Power Shed dry contact input Power Shed input open Power1 Power Shed input short Power2 The following table summarizes the basic levels of each protection Protection...

Page 73: ...hanged increased decreased in 10 minutes steps as a function of deicing time If deicing time is shorter then former deicing time the deicing interval time will be increased If deicing time is longer t...

Page 74: ...r Level ANY 0 BLINK NLOAD OPER LED LEVEL1 LEVEL2 3 LEVEL4 NORMAL ON Pump OFF 12 5 10 2 1 Level Logic used in all models except for oor ceiling models P2 P3 Level Don t care 1 Normal Don t care 0 Over...

Page 75: ...enter during deicer 12 6 2 Technician mode procedure All the connected indoor units will enter technician test at high indoor fan speed The outdoor unit will be working normally according to the run m...

Page 76: ...1 1 1 0 15 DC under voltage 0 1 1 1 1 16 DC over voltage 1 0 0 0 0 17 AC under voltage 1 0 0 0 1 18 No communication A 1 0 0 1 0 19 reserved 1 0 0 1 1 20 reserved 1 0 1 0 0 21 reserved 1 0 1 0 1 22 C...

Page 77: ...ing 1 Deactivated Ducted cassette 1 Activated Family selection Jumper J3 J4 and J5 Family J5 J4 J3 Reserved Reserved Reserved Wall Mounted WNG FLO Floor Ceiling PXD Reserved Ducted LS Cassette K 0 0 0...

Page 78: ...EPROM 1 1 12 8 3 Compressor Jumpers Compressor use parameters J3 TNB220FLBM ROM 0 EEPROM 1 12 9 System Parameters 12 9 1 General parameters Parameter Default Value ODUCodeLimit 6 Model selection Jumpe...

Page 79: ...3 sec 6 OptimDeicSP 90 12 9 3 Compressor Parameters Compressor Parameters Value MinOFFTime 3 MinOnTime 3 MaxSpeedC 75 MaxSpeedH 95 Step1RPS 40 Step2RPS 60 Step3RPS 75 12 9 4 OFAN parameters EEV Parame...

Page 80: ...CT to stop rise when ICT increase 48 ICTOH3 ICT to stop rise when ICT is stable 52 ICTOH4 ICT to Hz Down when ICT increase 55 ICTOH5 ICT to Hz Down when ICT is stable 60 ICTOH6 ICT to stop compressor...

Page 81: ...it responds to remote control message but Operate indicator Green LED does not light up Problem with display PCB Replace display PCB If still not OK replace controller Unit in heat mode and coil is st...

Page 82: ...ompressor motor is generating noise and no suction occurs Phase order to compressor is wrong Check compressor phase order 14 Water leakage from indoor unit Indoor unit drainage tube is blocked Check a...

Page 83: ...al operation mode The last fault code will be displayed even if the system has recovered from that fault The last fault will be deleted from the EEPROM after the system has exit diagnostics mode In di...

Page 84: ...abilityCheck Indoor to Outdoor wiring and grounding 9 Using EEPROM data No problem System is using EEPRRRROM parameters 13 3 3 Outdoor Unit Diagnostics No Problem 5 4 3 2 1 1 OCT is disconnected 0 0 0...

Page 85: ...nd grounding 8 Compressor Lock Switch unit to STBY and restart 9 Bad Communication Communication quality is low reliability Check Indoor to Outdoor wiring and grounding 13 4 Judgment by MegaTool MegaT...

Page 86: ...mal voltage is 220VAC 13 5 6 Checking the electrical expansion valve EEV The EEV has two parts drive part and valve The drive part is a step motor it is ringed on the valve Check the drive voltage 12V...

Page 87: ...control message not reached the indoor unit Check remote control batteries if OK check display and display wiring if OK replace display PCB If still not OK replace controller 3 Indoor unit responds t...

Page 88: ...Clean lters and or remove block Outdoor coil block Remove block and or avoid air by pass 12 Compressor stops during operation Electronic control Check diagnostics see 2 3 below Refrigerant leakage Che...

Page 89: ...s according to the following table No Problem 5 4 3 2 1 1 OCT bad 0 0 0 0 1 2 CTT bad 0 0 0 1 0 3 HST bad 0 0 0 1 1 4 OAT bad 0 0 1 0 0 5 OMT bad 0 0 1 0 1 6 RGT bad 0 0 1 1 0 7 OFAN Compressor Feedba...

Page 90: ...T bad 3 HST bad 4 OAT bad 5 OMT bad 6 RGT bad 7 OFAN Compressor Feedback Loss OFAN halls or wires bad Compressor wire cable bad or IPM bad or compresor bad Check OFAN motor 2 4 4 and compressor 2 4 5...

Page 91: ...from last operation No problem just an announcement 24 System Con guration Problem Miss match between the IDUs connected to port A B C or D or the total capacity code of IDUs is higher than the ODU ma...

Page 92: ...s according to the following table No Fault Name 5 4 3 2 1 1 RT 1 is disconnected 0 0 0 0 1 2 RT 1 is shorted 0 0 0 1 0 3 RT 2 is disconnected 0 0 0 1 1 4 RT 2 is shorted 0 0 1 0 0 Reserved 0 0 1 0 1...

Page 93: ...unding 27 Using EEPROM data No problem 28 31 IDU model 14 4 Procedures for checking Main Parts 14 4 1 Checking Mains Voltage Con rm that the Mains voltage is between 198 and 264 VAC If Mains voltage i...

Page 94: ...between 0 8 to 1 5 Change to Stand by or Power OFF and re start If the fault is still Active replace controller 14 4 6 Checking the Reverse Valve RV The RV has two parts Solonoid and valve Solonoid Ru...

Page 95: ...top suddenly during operation 2 Indicator lamps may icker Correction The fundamental concept is to make the system less susceptible to noise insulate for noise or distance from the noise source 1 Use...

Page 96: ...oor unit controller Therefore charging voltage 380VDC remains after power down Discharging takes about one minute after turned off Touching the Outdoor unit controller before discharging may cause an...

Page 97: ...SPARE PARTS LISTS Revision Y05 02 Service Manual WNG 50_60_80 DCI 15 EXPLODED VIEWS AND SPARE PARTS LISTS 15 1 Indoor Unit Delta WNG 50 WNG 60 DCI 23 22 20 21 8 19 6 7 4 5 3 1 2 0 24 25 26 27 29 28 30...

Page 98: ...zontal flap A 1 15 452917600 Horizontal flap B 1 16 452918500 Linkage A 1 452918600 Linkage B 1 17 452930700 Vertical flap A 12 452918200 Vertical flap B 2 18 452918300 Tie vertical flap A 1 452918400...

Page 99: ...15 3 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 02 Service Manual WNG 50_60_80 DCI 15 3 Outdoor Unit ONG3 50 DCI...

Page 100: ...1 18 4526220 Fuse stand JEF 511B EHK P N 150 038 00 1 19 4526533 Fuse 65TS 20A 230 150 031 00 1 20 204107 Cable clip nylon 1 21 4519188 4 poles terminal block 1 22 433229 Value cover 1 23 4522509 4 W...

Page 101: ...15 5 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 02 Service Manual WNG 50_60_80 DCI 15 5 Outdoor Unit DCI 60...

Page 102: ...3446 Scroll DC compressor assy 5CS130XCC03 1 18 453034000 4 way Valve System Assy 1 19 4522509 4 Way valve coil 1 20 4516766 PAINTED VALVE PLATE ASSY 1 21 4526301 High pressure stop valve R410a 1 22 4...

Page 103: ...15 7 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 02 Service Manual WNG 50_60_80 DCI 15 7 Indoor Unit WNG 80 DCI...

Page 104: ...ZER COVER NO IONIZER 1 1 4523307 IONIZER WIRE COVER WITH IONIZER 1 1 19 4524967 IONIZER WIRE A 1 1 20 4523372 WNG 30 INSTALLATION PLATE 1 1 21 4523309 TUBE OUTLET 1 1 22 4525111 REMOTE CONTROL BOX 974...

Page 105: ...15 9 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 02 Service Manual WNG 50_60_80 DCI 15 7 Outdoor Unit DCI 80...

Page 106: ...783200 Liquid Gas Separator 1 18 453256100 Support Painting Assy Gas Liquid Separator 1 19 4526080 Valve Plate Paint Assy 1 20 4526513 Low Press Valve R410A 1 21 4526514 High Press Valve R410A 1 22 45...

Page 107: ...16 1 APPENDIX A Revision Y05 02 Service Manual WNG 50_60_80 DCI APPENDIX A INSTALLATION AND OPERATION MANUAL INSTALLATION OPERATING MANUAL WNG 50 60 DCI INSTALLATION OPERATING MANUAL WNG 80 DCI...

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Page 154: ...R 2 LOCATION OF INDOOR AND OUTDOOR UNIT 3 INSTALLATION SERVICE TOOLS ONLY FOR R410A PRODUCT 4 INSTALLATION OF THE INDOOR UNIT 5 CONDENSATE HOSE CONNECTION 6 ELECTRICAL CONNECTION BETWEEN INDOOR AND OU...

Page 155: ...al wiring drainage and tubing connections 4 The appliance must be positioned so that the plug is accessible 5 Installation site should provide an easy passage to outdoors 6 The unit must be mounted on...

Page 156: ...ds 4 Fig 5 NOTE Distance between indoor and outdoor units should be 30m Height difference between indoor and outdoor units should be 15m No additional charge is required To remove To attach 2 1 100 mm...

Page 157: ...1 2 and 5 8 As the working pressure is high it is impossible to measure the working pressure using conventional gauges In order to prevent any other refrigerant from being charged the port diameters h...

Page 158: ...TING PLATE Fig 8 4 Fig 7 1 There are five possible routes for installing the refrigeration tube as shown 2 For route 6 cut the bottom notch in the rear 3 For routes 5 or 7 cut the side notches in the...

Page 159: ...te 2 Lower hook 1 Attach the condensate drain hose to the corrugated hose in the rear groove of the indoor unit 5 CONDENSATE HOSE CONNECTION 2 Wrap the drain hose together with the refrigerant tubes a...

Page 160: ...Indoor unit terminal 4 Power cable in the indoor side 2 Ground wire 5 Multiple wire cable 3 Indoor coil 6 Cable clamp 7 Outdoor unit wire terminal A OUTDOOR B INDOOR ELECTRICAL REQUIREMENTS Electrica...

Page 161: ...ge dia 4 Plugs 5 Flare nuts 6 Tubing between units 7 Suction tube 8 Liquid tube 9 OUTDOOR UNIT 10 Flare nuts 1 1 1 Liquid valve small 2 Suction valve larger EVACUATION OF THE REFRIGERATION TUBES AND T...

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