Electra WNG 25 DCI Series Service Manual Download

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WNG 25 / 35 DCI Series

Indoor Units

Outdoor Units

WNG 25 DCI

ONG 25 DCI

WNG 35 DCI

ONG 35 DCI

NOVEMBER – 2008

REFRIGERANT

R410A

HEAT PUMP

SM WNGDCI 1-E.1 GB

CONTENTS

Summary of Contents for WNG 25 DCI Series

Page 1: ...WNG 25 35 DCI Series Indoor Units Outdoor Units WNG 25 DCI ONG 25 DCI WNG 35 DCI ONG 35 DCI NOVEMBER 2008 REFRIGERANT R410A HEAT PUMP SM WNGDCI 1 E 1 GB CONTENTS ...

Page 2: ... pages are Original 0 March 2006 Total number of pages in this publication is 76 consisting of the following Page No Revision No Page No Revision No Page No Revision No Title 1 A 1 i 1 1 1 1 4 1 2 1 2 3 1 3 1 1 4 1 4 3 1 5 1 5 13 1 6 1 6 4 1 7 1 1 8 1 8 2 1 9 1 9 2 1 10 1 1 11 1 11 19 1 12 1 12 6 1 13 1 13 6 1 14 1 14 6 1 15 1 15 10 1 Appendix A 1 Zero in this column indicates an original page Due...

Page 3: ... RATING CONDITIONS 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA 5 1 6 PRESSURE CURVES 6 1 7 ELECTRICAL DATA 7 1 8 WIRING DIAGRAMS 8 1 9 REFRIGERATION DIAGRAMS 9 1 10 TUBING CONNECTIONS 10 1 11 CONTROL SYSTEM 11 1 12 TROUBLESHOOTING 12 1 13 EXPLODED VIEWS AND SPARE PARTS LISTS 13 1 14 APPENDIX A 14 1 ...

Page 4: ... power shedding functions conﬁgurable Base heater connection Cooling operation at outdoor temperature down to 10 C Heating operation at outdoor temperature down to 15 C Supports Indoor Air Quality features such as Ionizer Active Electrostatic Filter Indoor large diameter cross ﬂow fan allowing low noise level operation Bended indoor coil with treated aluminum ﬁns and coating for improved efﬁciency...

Page 5: ...ntal motorized louver YES Vertical motorized louver Optional Heating element NO M2L Cable port YES Dry contact Presence detector or jumper selected power shedding 1 4 Filtration The WNG DCI Series presents several types of air ﬁlters Easily accessible and re usable pre ﬁlters mesh Pre charged electrostatic ﬁlter disposable Active carbon ﬁlter disposable ESF Active Electro Static re usable ﬁlter op...

Page 6: ...ife resistance All outdoor units are pre charged For further information please refer to the Product Data Sheet Chapter 2 ONG 25 DCI ONG 35 DCI Outdoor Unit Feature Feature ONG 25 35 DCI Display 3 LED s Base Heater Optional Outdoor Fan Variable speed DC Inverter M2L cable Port No 1 8 Tubing Connections Flare type interconnecting tubing to be produced on site For further details please refer to the...

Page 7: ...35 DCI K25 DCI K35 DCI ONG25 DCI R410A ONG35 DCI R410A The above table lists outdoor units and WNG indoor units which can be matched together In addition the listed outdoor units can be matched with other types of indoor units such as cassettes For further information please refer to the relevant Service Manual CONTENTS ...

Page 8: ... Package dimensions WxHxD mm 870x356x282 Packaged weight kg 13 5 Units per pallet units 28 Stacking height units 7evels OUTDOOR Refrigerant control Electronical Expansion Valve Compressor type model Single Rotary DC Inverter Panasonic 5RS102XAB Fan type quantity Propeller x 1 Fan speeds H RPM 830 Air ﬂow H m3 hr 1780 Sound power level H dB A 61 Sound pressure level 3 H dB A 51 Dimensions WxHxD mm ...

Page 9: ...imensions WxHxD mm 870x356x282 Packaged weight kg 13 5 Units per pallet units 28 Stacking height units 7levels OUTDOOR Refrigerant control Electronical Expansion Valve Compressor type model Single Rotary DC Inverter Panasonic 5RS102XAB Fan type quantity Propeller x 1 Fan speeds H RPM 830 Air ﬂow H m3 hr 1780 Sound power level H dB A 62 Sound pressure level 3 H dB A 52 Dimensions WxHxD mm 795x610x2...

Page 10: ...ling 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 46o C DB Lower limit 21o C DB 15o C WB 10o C DB Heating Upper limit 27o C DB 24o C DB 18o C WB Lower limit 10o C DB 15o C DB 16o C WB Voltage 198 264 V CONTENTS ...

Page 11: ...4 1 OUTLINE DIMENSIONS SM WNGDCI 1 E 1 GB 4 OUTLINE DIMENSIONS 4 1 Indoor Unit WNG 25 35 DCI 4 2 Outdoor Unit ONG 25 35 DCI CONTENTS ...

Page 12: ...6 2 62 2 77 2 93 SC 1 60 1 63 1 67 1 70 1 73 30 PI 0 52 0 53 0 54 0 55 0 56 TC 2 18 2 34 2 50 2 66 2 82 SC 1 56 1 59 1 63 1 66 1 69 35 PI 0 58 0 59 0 60 0 60 0 61 TC 2 07 2 23 2 38 2 54 2 70 SC 1 52 1 55 1 58 1 62 1 65 40 PI 0 63 0 64 0 65 0 66 0 67 TC 1 93 2 09 2 24 2 40 2 56 SC 1 47 1 50 1 53 1 57 1 60 46 PI 0 70 0 71 0 72 0 72 0 73 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI ...

Page 13: ...2 38 1 2 PI 0 70 0 75 0 80 TC 2 75 2 59 2 44 2 1 PI 0 72 0 77 0 82 TC 3 55 3 40 3 25 7 6 PI 0 76 0 81 0 86 TC 3 75 3 60 3 44 10 9 PI 0 81 0 86 0 90 TC 3 94 3 79 3 64 15 12 PI 0 85 0 90 0 95 15 24 TC 85 105 of nominal Protection Range PI 80 120 of nominal LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 1 4 Capacity Correction Fa...

Page 14: ...ength 5 2 1 Cooling 0 91 0 92 0 93 0 94 0 95 0 96 0 97 0 98 0 99 1 00 1 01 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Tubing Length m Capacity Ratio 5 2 2 Heating 0 90 0 92 0 94 0 96 0 98 1 00 1 02 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Tubing Length m Capacity Ratio CONTENTS ...

Page 15: ...88 4 11 SC 2 34 2 39 2 44 2 49 2 54 30 PI 0 87 0 88 0 90 0 91 0 93 TC 3 06 3 28 3 50 3 72 3 94 SC 2 28 2 33 2 38 2 43 2 48 35 PI 0 96 0 98 0 99 1 00 1 02 TC 2 89 3 12 3 34 3 56 3 78 SC 2 22 2 27 2 32 2 37 2 42 40 PI 1 05 1 07 1 08 1 10 1 11 TC 2 70 2 92 3 14 3 36 3 58 SC 2 15 2 20 2 25 2 30 2 34 46 PI 1 16 1 18 1 19 1 21 1 22 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW PI Power Inp...

Page 16: ...3 01 1 2 PI 0 97 1 04 1 11 TC 3 47 3 28 3 09 2 1 PI 1 00 1 07 1 14 TC 4 49 4 30 4 11 7 6 PI 1 06 1 13 1 19 TC 4 74 4 55 4 36 10 9 PI 1 12 1 19 1 26 TC 4 99 4 80 4 60 15 12 PI 1 18 1 25 1 32 15 24 TC 85 105 of nominal Protection Range PI 80 120 of nominal LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 3 4 Capacity Correction Fa...

Page 17: ...ength 5 4 1 Cooling 0 91 0 92 0 93 0 94 0 95 0 96 0 97 0 98 0 99 1 00 1 01 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Tubing Length m Capacity Ratio 5 4 2 Heating 0 90 0 92 0 94 0 96 0 98 1 00 1 02 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Tubing Length m Capacity Ratio CONTENTS ...

Page 18: ... 25 30 35 40 45 Suction Pressure kPa 22 15 24 17 27 19 29 21 32 23 Suction Pressure VS Outdoor Temp Indoor DB WB Temp Outdoor Temp C DB 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 4000 10 15 20 25 30 35 40 45 Discharge Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB Temp Discharge Pressure VS Outdoor Temp Outdoor Temp C DB CONTENTS ...

Page 19: ... 1200 1300 15 10 5 0 5 10 15 Suction Pressure kPa 15 20 25 Suction Pressure VS Outdoor Temp Outdoor Temp C WB Indoor DB Temp 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250 3500 15 10 5 0 5 10 15 Discharge Pressure kPa 15 20 25 Discharge Pressure VS Outdoor Temp Indoor DB Temp Outdoor Temp C WB CONTENTS ...

Page 20: ... 40 45 Suction Pressure kPa 22 15 24 17 27 19 29 21 32 23 Suction Pressure VS Outdoor Temp Indoor DB WB Temp Outdoor Temp C DB 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 4000 10 15 20 25 30 35 40 45 Discharge Pressure kPa 22 15 24 17 27 19 29 21 32 23 Discharge Pressure VS Outdoor Temp Indoor DB WB Temp Outdoor Temp C DB CONTENTS ...

Page 21: ... 1200 1300 15 10 5 0 5 10 15 Suction Pressure kPa 15 20 25 Suction Pressure VS Outdoor Temp Indoor DB Temp Outdoor Temp C WB 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 4000 15 10 5 0 5 10 15 Discharge Pressure kPa 15 20 25 Discharge Pressure VS Outdoor Temp Indoor DB Temp Outdoor Temp C WB CONTENTS ...

Page 22: ...tarting Current b 10A Circuit Breaker 16A Power Supply wiring no x cross section 3 X 1 5 mm Interconnecting cable no x cross section 4 X 1 5 mm a Inrush current is the current when power is up charging the DC capacitors at outdoor unit controller b Starting current is the current at compressor start up NOTE Power wiring cord should comply with local lows and electrical regulations requirements CON...

Page 23: ... red 1 P8 1 2 ESF power in ESF power out P6 3 1 2 1 4 5 ESF step motor M1 2 PH 12 P9 Display Dry contact clock Ionzer Jumper P17 megatool SUCT EARTH EMI filter PCB EARTH NCOM COM N F Outdoor unit controller PCB OUTDOOR UNIT CIRCUIT DIAGRAM P10 COM N L Black Blue Red N COM Y G Y G P12 Black P11 W COMP Brown Red P3 P9 V U P13 White Blue P14 Choke coil Vsp Yellow P18 3 4 Red Y G Brown magnetic ring O...

Page 24: ... DCI Cooling Mode 9 1 2 WNG 25 35 DCI Heating Mode Strainer Outdoor coil Sensor Reverse Strainer valve OUTDOOR UNIT INDOOR UNIT Flared connection Valves Indoor coil Sensor EEV Strainer Outdoor coil Sensor Reverse Strainer valve OUTDOOR UNIT INDOOR UNIT connection Valves Flared Indoor coil Sensor EEV CONTENTS ...

Page 25: ...ALVE 3ERVICE 0ORT AP LARE UT 5NIT ACK 3IDE OPPER 4UBE 7HEN THE OUTDOOR UNIT IS INSTALLED ABOVE THE INDOOR UNIT AN OIL TRAP IS REQUIRED EVERY M ALONG THE SUCTION LINE AT THE LOWEST POINT OF THE RISER NCASE THE INDOOR UNIT IS INSTALLED ABOVE THE OUTDOOR NO TRAP IS REQUIRED Ǫ Flare Nuts 11 13 40 45 Valve Cap 13 20 13 20 Service Port Cap 11 13 11 13 TORQUE Nm TUBE Inch CONTENTS ...

Page 26: ...epresents the heat or cool load felt by the indoor unit 11 1 2 Compressor Frequency Control 11 1 2 1 NLOAD setting The NLOAD setting is done by the indoor unit controller based on a PI control scheme The actual NLOAD to be sent to the outdoor unit controller is based on the preliminary LOAD calculation the indoor fan speed and the power shedding function NLOAD limits as a function of indoor fan sp...

Page 27: ...or Fan Control 10 Indoor fan speeds are determined for each model 5 speeds for cool dry fan modes and 5 speeds for heat mode When user sets the indoor fan speed to a fixed speed Low Medium High unit will operate constantly at set speed When Auto Fan is selected indoor unit controller can operate in all speeds The actual speed is set according to the cool heat load 11 1 7 1 Turbo Speed The Turbo sp...

Page 28: ...ium Low Very Low Low OFMedFreq CF High Low Low Medium When compressor is switched to OFF and the heat sink temperature is above 55 degrees the outdoor fan will remain ON in low speed for up to 3 minutes 11 1 10 EEV electronic Expansion valve 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 cap...

Page 29: ...n AutoFan user setting fan speed will be ad8usted automatically according to the calculated NLOAD 11 4 Heat Mode NLOAD is calculated according 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 AutoFan user setting fan speed will be adng to the calculated NLOAD 11 4 1 T...

Page 30: ... work between 0 and MaxNLOADIF1C Hz When the room temperature is lower than the set point compressor will be switched OFF and indoor fan will cycle 3 minutes OFF 1 minute ON 11 7 Protections There are 5 protection codes Normal Norm unit operate normally Stop Rise SR compressor frequency can not be raised but does not have to be decreased HzDown1 D1 Compressor frequency is reduced by 2 to 5 Hz per ...

Page 31: ... 45 Norm Norm Norm SR SR ICT 43 Normal 11 7 3 Compressor over Heating Protection Compressor temperature can be in one of 5 control zones 4 in protection and 1 normal according to the following chart Normal P1 P2 Stop Compresor CTTOH1 CTTOH2 CTTOH3 CTTOH4 CTT P3 Control Status Compressor Temperature Increases Else P1 Norm SR P2 D1 SR P3 D2 D1 Stop Compressor SC 11 7 4 Compressor over Current Protec...

Page 32: ...Case 3 OCT is Invalid AND TLD DI Case 4 Unit is ust switched to STBY AND OCT j OAT 8 Case 5 NLOAD 0 AND OCT OAT 8 OCT Outdoor Coil Temperature OAT Outdoor Air Temperature TLD Time from 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 Deicing interval time is...

Page 33: ...y T1 T2 T3 T3 T1 12 0 Threshold max 12 minutes DT OCT T 36 seconds T3 nds 6 seco 11 8 Condensate Water Over 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 8 1 3 Levels Logic used in floor ceiling models P2 P3 Level 0 0 L0 1 0 L1 1 1 L2 3 0 1 L4 CONTENTS ...

Page 34: ...Overflow ANY 0 ON NLOAD PUMP OFF ON OPER LED OFF Overflow Water Level Normal BLINK NLOAD is forced to 0 8 min 8 min Overflow when unit is ON Overflow when unit is OFF 8 min 11 9 Indoor Unit Dry Contact Indoor unit Dry contact has two alternative functions that are selected by J8 Function Contact Open Contact Short J8 Presence Detector Connection No Limit Forced to STBY Open J8 Power Shedding Funct...

Page 35: ... infrared signal has been received and stored Blinks continuously during protections according to the relevant spec 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 using the Mode Switch on the unit HEATING INDICATOR Lights up when system is switched ...

Page 36: ...FF 2 OFF 2 OFF 2 OFF 2 OFF 2 OFF 2 SPT 1 ON 2 ON 2 ON 2 ON 2 ON 2 SPT 1 SPT 1 SPT 1 SPT 1 Low OFF Med OFF High OFF Turbo OFF Auto OFF User setting IFAN speed User 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 ON 3 ON 3 ON 3 OFF Backlight green OFF ON 3 OFF CONTENTS ...

Page 37: ...f the seven indicators indicates the following SPT 18 20 22 24 26 28 30 o c The odd number temperatures are indicated by turning on the two adcent indicators FAN SPEED BUTTON Press this button to change the speed of the IFAN Each pressing change the speed in the sequence of L M H Auto L TEMP SETTING UP BUTTON Pressing this button increases the SPT by 1o C Note The Max SPT is 30o C TEMP SETTING DOW...

Page 38: ...0 Room temperature 20 1 Outdoor temperature 7 1 Manually when entering diagnostics with the following settings Mode Cool Set point 16 Mode Heat Set point 30 11 12 2 Unit Operation in Test Mode In test mode the unit will operate in fixed settings according to the indoor fan speed setting Indoor Fan Speed Setting Unit Setting Low Minimum Capacity Setting High Nominal Capacity Setting Auto Maximum Ca...

Page 39: ...5 DCI 35 NLOAD limits as a function of selected indoor fan speed MaxNLOADIF1C 40 40 MaxNLOADIF2C 53 53 MaxNLOADIF3C 120 120 MaxNLOADIF4C 127 127 MaxNLOADIF5C 127 127 Indoor Fan speeds IFVLOWC 700 700 IFLOWC 800 800 IFMEDC 900 950 IFHIGHC 1050 1100 IFTURBOC 1150 1200 IFVLOWH 700 700 IFLOWH 800 850 IFMEDH 950 1000 IFHIGHH 1100 1150 IFTURBOH 1200 1250 Nominal Compressor Frequency NomLoadC 40 62 NomLo...

Page 40: ...50 64 62 MaxFreqAsOAT1H 65 75 85 85 MaxFreqAsOAT2H 60 60 60 60 Compressor Over Heating Protection CTTOH1 94 94 94 90 CTTOH2 98 98 98 95 CTTOH3 102 102 102 102 CTTOH4 105 105 105 105 Compressor Over Current Protection A CCR01 7 1 7 1 10 10 CCR02 7 5 7 5 10 5 10 5 CCR03 7 9 7 9 10 8 10 8 CCR04 8 3 8 3 11 2 11 2 Outdoor Fan Speed RPM VL 200 200 200 200 OFLOWC 550 550 600 600 OFMEDC 700 700 760 830 OF...

Page 41: ...check display and display wiring if OK replace display PCB If still not OK replace controller 3 Unit 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 still not warm Change to cool mode and check 4 Indoor fan does not start louvers are opened and Green LE...

Page 42: ...m problem Perform diagnostics See 12 3 below and follow the actions described 13 Compressor 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 and open drainage tube 15 Freezing of outdoor unit in heat mode and outdoor unit base is blocked with ice Connect base ...

Page 43: ...s recovered from that fault The last fault will be deleted from the EEPROM after the system has exit diagnostics mode In diagnostics mode system fault status will be indicated by blinking of Heat d Cool LEDs The coding method will be as follows Heat LED will blink 5 times in 5 seconds and then will be shut off for the next 5 seconds Cool LED will blink during the same 5 seconds according to the fo...

Page 44: ...nd grounding 4 No Encoder Indoor electronics or motor Checkmotorwiring ifok replace motor if still not ok replace Indoor controller 5 Outdoor Unit Fault Outdoor controller problem Switch to Outdoor diagnostics 6 EEPROM Not Updated System is using ROM parameters and not EEPROM parameters No action unless special parameters are required for unit operation 7 Bad EEPROM No action unless special parame...

Page 45: ...s shorted when enabled 0 1 0 1 0 11 IPM Fault 0 1 0 1 1 12 Bad EEPROM 0 1 1 0 0 13 DC under voltage 0 1 1 0 1 14 DC over voltage 0 1 1 1 0 15 AC under voltage 0 1 1 1 1 16 IDU ODU Communication mismatch 1 0 0 0 0 17 No Communication 1 0 0 0 1 18 Reserved 1 0 0 1 0 20 Heat sink Over Heating 1 0 1 0 0 21 Deicing 1 0 1 0 1 22 Compressor Over Heating 1 0 1 1 0 23 Compressor Over Current 1 0 1 1 1 24 N...

Page 46: ...red for unit operation DC under over Voltage Electronics HW problem Check outdoor unit power supply voltage AC under Voltage Check outdoor unit power supply voltage Indoor Outdoor unit Communication mismatch Indoor and Outdoor controllers are with different versions Replace Indoor controller No Communication Communication or grounding wiring is not good Check Indoor to Outdoor wiring and grounding...

Page 47: ...wn the system and check the fuse of the Indoor unit If the fuse is OK replace the Indoor unit controller If the fuse has blown replace the fuse and power up again Checking Power Input procedure for the Outdoor unit is the same as with the Indoor unit 12 5 3 Checking the Outdoor Fan Motor Enter Test Mode where the OFAN speed is high Check the voltage between lead wires according to the normal value...

Page 48: ...controller when power is on 12 6 2 Charged Capacitors Three large capacity electrolytic capacitors are used in the Outdoor unit controller Therefore charging voltage 380VDC remains after power down Discharging takes about four minutes after power is off Touching the Outdoor unit controller before discharging may cause an electrical shock 12 6 3 Additional advises When disassemble the controller or...

Page 49: ...13 1 EXPLODED VIEWS AND SPARE PARTS LISTS SM WNGDCI 1 E 1 GB 13 EXPLODED VIEWS AND SPARE PARTS LISTS 13 1 Outdoor Unit ONG 25 35 DCI CONTENTS ...

Page 50: ...0 1 19 4526219 Fuse 65TS 15A 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 Way valve coil 1 24 4526367 4 way valve welding Assy DCI25 1 4526393 4 way valve welding Assy DCI35 1 25 4518952 4 way valve DCI25 1 4518951 4 way valve DCI35 1 26 4526221 Compressor wire 1 27 4526204 DC Inverter compressor Assy 5RS102XAB 1 28 4526775 ...

Page 51: ...13 3 EXPLODED VIEWS AND SPARE PARTS LISTS SM WNGDCI 1 E 1 GB 13 3 Indoor Unit N WNG 25 35 LCD DCI CONTENTS ...

Page 52: ...Lower Flap 1 1 16 4518642 Vert Louver Link 1 1 17 4518640 Vert Louver A 2 1 4518641 Vert Louver B 10 1 18 4518643 Vert Louver Lock 1 1 1 4518644 Vert Louver Lock 2 1 1 4518645 Vert Louver Lock 3 1 1 19 4518662 Bearing Assy 1 1 20 4518661 Cross Flow Fan 1 1 21 4518730 Base Assy 1 1 22 4518656 Mounting Hook 2 1 23 4518657 Tube Lock 1 1 24 4518670 Installation Plate 1 1 25 4518654 Tube Bracket 1 1 26...

Page 53: ...13 5 EXPLODED VIEWS AND SPARE PARTS LISTS SM WNGDCI 1 E 1 GB 13 5 Indoor Unit WNG 25 35 LED DCI CONTENTS ...

Page 54: ...9 13 4518646 Louver support 2 1 14 4518638 Upper flap 1 1 15 4518639 Lower flap 1 1 16 4518642 Vert louver link 1 1 17 4518640 Vert louver A 2 1 4518641 Vert louver B 10 1 18 4518643 Vert louver lock 1 1 1 4518644 Vert louver lock 2 1 1 4518645 Vert louver lock 3 1 1 19 4518662 Bearing Assy 1 1 20 4518661 Cross flow fan 1 1 21 4518730 Base Assy 1 1 22 4518656 Mounting hook 2 1 23 4518657 Tube lock...

Page 55: ...13 7 EXPLODED VIEWS AND SPARE PARTS LISTS SM WNGDCI 1 E 1 GB 13 7 Indoor Unit WNG 25 35 LED DCI CONTENTS ...

Page 56: ...nk 1 1 17 4518640 Vert Louver A 2 1 4518641 Vert Louver B 10 1 18 4518643 Vert Louver Lock 1 1 1 4518644 Vert Louver Lock 2 1 1 4518645 Vert Louver Lock 3 1 1 19 4518662 Bearing Assy 1 1 20 4518661 Cross Flow Fan 1 1 21 4518730 Base Assy 1 1 22 4518656 Mounting Hook 2 1 23 4518657 Tube Lock 1 1 24 4518670 Installation Plate 1 1 25 4518654 Tube Bracket 1 1 26 4519864 Motor 1 1 27 4518651 Motor Side...

Page 57: ...13 9 EXPLODED VIEWS AND SPARE PARTS LISTS SM WNGDCI 1 E 1 GB 13 9 Outdoor Unit ONG 25 35 DCI new CONTENTS ...

Page 58: ...1 20 204107 Cable clip nylon 1 21 4519188 4 poles terminal block 1 22 433229 Value cover 1 23 4522509 4 Way valve coil 1 24 4526367 4 way valve welding Assy DCI25 1 4526393 4 way valve welding Assy DCI35 1 25 4518951 4 way valve DCI25 1 4518952 4 way valve DCI35 1 26 4526221 Compressor wire 1 27 4526204 DC Inverter compressor Assy 5RS102XAB 1 28 4526775 Compressor top thermistor CTT 1 29 4526774 O...

Page 59: ...14 1 APPENDIX A SM WNGDCI 1 E 1 GB APPENDIX A INSTALLATION AND OPERATION MANUAL INSTALLATION MANUAL WNG 25 35 DCI OPERATING MANUAL WNG 25 35 DCI CONTENTS ...

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