LG PUDCA0 Installation Manual Download Page 36

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TROUBLESHOOTING

[Error Code (Outdoor Unit)]

7 Segment

1 Time

2 Times

1 Sec.

2 Sec.

1 Sec.

LED01G

(RED)

LED02G

(GREEN)

Outdoor Error
Ex) CH21 (IGBTM Fault Error)

CAUTION

• This page is about outdoor error code. It can vary depending on outdoor unit.

For more information, please refer to the outdoor unit manual.

Summary of Contents for PUDCA0

Page 1: ...UKJE 127 문서번호 CWROM 1606 00197 Order No MFL50024811 P No 최종 컨펌일자 작업자 연구실 담당자 희령 김동겸 예 작업원고와 수정내용이 일치하는가 필수확인 QA요구사항 최종 확인후 본 체크리스트는 삭제됩니다 1 원고에 지시된 대로 작업한 후 이상없이 작업 되었는지 재차 검토 후 PDF 파일을 생성한다 2 작업완료 후 담당 연구원에게 수정부분에 대한 검증요청한다 반드시 필요 의뢰자가 요청한 의도대로 작업이 정확히 되었는지 반드시 확인이 필요함 3 아래 체크리스트에 따라 놓치기 쉬운 사항을 우선으로 한번 더 확인한다 2016 6 1 ...

Page 2: ...se read this installation manual completely before installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly ENGLISH ...

Page 3: ...m indoor air quickly in a short period of time For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number You can find them on a label on the side of each unit Dealer s name Date of purchase Here are some tips that will help you minimize the power consumpti...

Page 4: ...perform grounding Otherwise it may cause electrical shock Don t use a power cord a plug or a loose socket that is damaged Otherwise it may cause fire or electrical shock For installation of the product always contact the service center or a professional installation agency Otherwise it may cause fire electrical shock explosion or injury Securely attach the electrical part cover to AHU Comm Kit If ...

Page 5: ...wet hands Otherwise it may cause a fire or electrical shock Do not use the power cord near the heating tools Otherwise it may cause a fire and electrical shock Do not allow water to run into electrical parts Otherwise it may cause the failure of machine or electrical shock Hold the plug by the head when taking it out It may cause electric shock and damage Be cautious that water could not enter the...

Page 6: ...tallation 14 Electric Wiring Work 16 Electrical Work 17 Electric Wiring Work 18 Controller Setting Method 24 AHU KIT WIRING CON FIGURATION WITH DDC 24 Configuration concept 25 DI Wring concept 26 DO Wring concept 27 AI Wring concept 29 PI 485 connection_essential accessory 30 FAN Signal Wiring Concept 31 THERMISTORS INSTAL LATION 31 Pipe thermistors Installation 34 TROUBLESHOOTING TABLE OF CONTENT...

Page 7: ... air control 9 Remote controller PQRCVSL0 PQRCVSL0QW Optional accessory 10 PI485 PMNFP14A0 PMNFP14A1 Essential accessory 11 Signal Fan signal Low Middle High Defrost Heating Cooling signal Themal On Off CAUTION For installation of Room thermistor No 8 always place it at the inlet of Heat Exchanger Otherwise it might not operate properly CAUTION Before installation of outdoor unit check the serial ...

Page 8: ...T74975201 EBG61106821 EBG61287703 In EBG61287704 Out MFL50024811 MAZ49398901 EBR65102902 04 EBR52358920 EBR52358921 Shape W D H Quanti ty EA 1 1 2 Each 1 1 4 5 Each 1 Model Name Weight kg Dimension mm POWER NET Gross NET Gross W H D W H D PUDCA0 6 32 7 92 330 180 430 420 232 540 220 240 V 50 Hz 220 V 60 Hz 208 230 V 60 Hz SUPPLIES ...

Page 9: ...f the accessories refer to the manual provided at the time of purchasing the accessories Accessories Components Remote controller PI 485 Model name PQRCVSL0 PQRCVSL0QW PMNFP14A0 PMNFP14A1 Shape ACCESSORIES Optional accessory Essential accessory ...

Page 10: ...4 Supporter Connect No 3 6 5 Main PCB case 1 6 Main PCB 1 7 Option PCB 24 kBtu hr 1 8 Bracket For Adaptor 1 9 AC DC Convertor 1 10 Supporter Fixing Wiring 7 11 Terminal Block Communication 1 12 Terminal Block POWER Supply 1 13 Clamp Cord For Power Wiring 1 14 Clamp Cord 5 15 Panel 1 16 Control Box Case 1 17 Cable gland 6 18 Bracket For Expansion I O PCB 1 PART DESCRIPTION ...

Page 11: ...lation level of AHU Field supply motor must be F or above and the protec tion level must satisfy IP 54 AHU Field supply must have the drain pan installed Fan speed button on the wired remote controller PQRCUSA0 1 is not operated For refrigerant piping of outdoor unit refer to the installation manual supplied with the outdoor unit For installation of the wired remote controller PQRCUSA0 1 refer to ...

Page 12: ...tion PCB fitted the need capacity in the main PCB Evaporator Saturated Temperature SST 6 C SH Superheat 5K Air Temperature 27 C DBT 19 C WBT Heat exchanger volume m3 Pipe cross section Tube length Pipe cross section m2 π ID2 4 Tube length m Tube length of 1 pipe Tube step Tube row Capacity setting Option PCB Detail Option PCB P NO Capacity Btu h Standard heat exchanger volume 10 3 m3 Maximum heat ...

Page 13: ... Air temperature to the Heat Exchanger is 18 40 C for cooling 5 30 C for heating If the temperature is under 18 C for cooling over 30 C for heating the system might operate ON and OFF because of protection logic system s No Connection condition Combination 1 100 Fresh Air Intake AHU only are connected with outdoor units 1 The total capacity of 100 Fresh Air Intake AHU should be 50 100 of outdoor u...

Page 14: ... mm 332 mm Provided holes Ø4 5 mm 4EA COMMUNICATION KIT INSTALLATION WARNING Install where it can sufficiently support the weight of the comm Kit If the support strength is not enough the outdoor unit may drop and hurt people Install where the comm kit may not fall in strong wind or earthquake If there is a fault in the supporting conditions the comm kit may fall and hurt people It is installed at...

Page 15: ...T INSTALLATION ENGLISH CAUTION If you want to use Analogue Input signal for a variable capacity and a set temperature of room you have to connect the wiring of AI 10 2 AI 10 3 AI 10 4 Circuit diagram Electric Wiring Work ...

Page 16: ...l 19 AI 10 3 Common Line 20 AI 10 4 Room Temperature Setting 21 22 To Outdoor Unit RS485 Communication 23 Digital Input DI 01 3 Operation ON OFF 24 DI 01 1 Common Line 25 DI 23 3 Mode Change 26 DI 23 2 27 DI 23 1 Common Line 28 DI 45 3 Air Flow Rate 29 DI 45 2 31 Digital Output DO 01 4 Running Status ON OFF 32 DO 01 3 Common Line 33 DO 01 2 Comp Status ON OFF 34 DO 23 4 Running Mode 35 DO 23 2 36 ...

Page 17: ... water protection 2 The wires require an additional pull relief Strap the wire with the support tie wrap 3 For the wired remote controller wire and outdoor unit communication wire remove the coating at the end of the wire to connect and use the ring type Ø3 to connect to the termi nal block Support tie wrap Nut of cable gland Side view Front View Cable Insert Detail Ring type Ø3 Connection of the ...

Page 18: ...A main switch or other means for disconnection having a contact separation in all poles must be incorporated in the fixed wiring in accordance to relevant local and national legisla tion Refer to the installation manual attached to the outdoor unit for the size of power supply electric wire connected to the outdoor unit the capacity of the circuit breaker and switch wiring and wiring instructions ...

Page 19: ...8 Output Signal Condition Thermal On Off Fan L M H Defrost Heating Mode Dip switch Off Off Off Off Off Off Cooling Mode Off or On On Off Off Fan Mode Off On Off Off Heating Mode Off or On Off or On Off On Heating Mode Preheating On Off Off On Heating Mode Defrosting On Off On On Auto Mode The Same as Cooling or Heating Mode Dip switch On Off Off Off Off Off Cooling Mode Off or On On Off Off Fan Mo...

Page 20: ...tion from DDC Field supply 3 Digital Output Send the condition value of AHU operation to DDC Field supply 4 RS485 Sends the On Off signal taking from DDC to the indoor outdoor unit and send the condition value taking from indoor outdoor unit to DDC with On Off Output SW_SPARE SW_GRP SW_IO SW_TYPE This S W is for setting up the address of AHU Comm Kit 00 FF This S W is for setting up the temperatur...

Page 21: ...put Controlled through DDC Rot S W manual setting 5 Air flow rate High Low High Mid Low On Mid step is not available Mid step is displayed as current step 6 Room Temperature setting 2 Default AI Rot S W Room Temperature Default setting On Default Cooling 18 C Heating 30 C Off Room air or return air temper ature control using Al Signal and Rotary S W Refer to the DIP S W No 4 7 Not available 8 Flas...

Page 22: ...t setting No 1 2 3 4 5 6 7 8 Off 8 7 6 5 4 3 2 1 OFF 8 7 6 5 4 3 2 1 SW01_SW ں ں Dip S W SW01 S W name No Item Setting Dip S W AI Function 1 2 3 SW01 _SW 1 3 ODU Capacity Option Setting Off Off Off Option 1 On Off Off Option 2 Off On Off Option 3 4 8 Not available ...

Page 23: ... 3 ON Possible to control Room Temperature Function Default OFF Only Monitoring DO Signal only is enable No 4 ON DDC Control Wiring No AI 10 4 OFF Rotary S W SW_TYPE Control No 6 ON Room Temperature Default setting Cooling 18 C Heating 30 C OFF Room Air or return air temperature control using Al signal and Rotary S W Dip S W SW03 NO 4 OFF Rotary S W Number Room Temp C Cooling Room Temp C Heating 0...

Page 24: ...5 2 15 18 17 2 5 2 35 2 65 18 18 3 2 85 3 15 19 19 3 5 3 35 3 65 20 20 4 3 85 4 15 21 21 4 5 4 35 4 65 22 22 5 4 85 5 15 23 23 5 5 5 35 5 65 24 24 6 5 85 6 15 25 25 6 5 6 35 6 65 26 26 7 6 85 7 15 27 27 7 5 7 35 7 65 28 28 8 7 85 8 15 29 29 8 5 8 35 8 65 30 30 9 5 8 85 10 Not available Not available CAUTION If you want to control the Room Temperature using Remote controller you have to be off the ...

Page 25: ...et pressure Modulating AHU DDC Td Te Ti Field Supply LG Supply Ti Inlet Temp Te HEX Temp Td Discharge Temp 1 Comm Kit control capacity of the cooling heating only according to the DDC s control signal DC 0 10V 2 Control signal from the DDC is decided by calculation logic with Td Ti and setting tempera ture Calculation logic depends on BMS program 3 For Installation of Room thermistor recommended t...

Page 26: ...n DI 01 3 short DI 23 2 Cooling Operation Heating Operation When open mode is cooling When short mode is heating DI 01 3 short DI 23 3 short DI 45 3 Low FAN Mid FAN When DI 45 3 45 2 are open Low fan mode and FAN is On When DI 45 3 is short Mid fan and FAN is On DI 01 3 short Operation mode DI 23 3 23 2 DI 45 2 High FAN When DI 45 2 short High fan and FAN is On When DI 01 3 is open FAN is Off DI 4...

Page 27: ...DO 23 4 23 2 are open it is ventilation mode When DO 23 4 is open DO 23 2 is short it is defrosting during heating FAN can be OFF if PIPE_IN and PIPE_OUT are less than 20 C When DO 23 4 is short DO 23 2 is open it is cooling When DO 23 4 is short DO 23 2 is short it is heating Defrosting mode only works when it is connected with ODU DO 23 2 DO 45 4 Low FAN Mid FAN When DO 45 4 DO 45 2 are open it ...

Page 28: ...ontrol Target Low Pressure kPa Tempera ture at HEX C Target High Pressure kPa Tempera ture at HEX C AI 10 2 0 0 0 4 No limit DI should be decided 1 0 6 1 4 100 866 12 7 2 794 47 6 DI will determine fan mode and operation mode 2 1 6 2 4 90 931 14 8 2 500 43 1 3 2 6 3 4 80 997 16 9 2 337 40 4 4 3 6 4 4 70 1 062 18 9 2 141 36 9 5 4 6 5 4 60 1 127 19 8 1 977 33 9 6 5 6 6 4 50 1 193 22 6 1 814 30 7 7 6...

Page 29: ...ating Control Target Low Pressure kPa Tempera ture at HEX C Target High Pressure kPa Tempera ture at HEX C AI No Input voltage Vdc Low Vdc High Vdc Capacity of unit Cooling Heating Control Target Low Pressure kPa Tempera ture at HEX C Target High Pressure kPa Tempera ture at HEX C 2 Option 2 3 Option 3 AI 10 2 0 0 0 4 Comp off DO 01 4 is short DO 01 2 is open 1 0 6 1 4 40 1 258 24 4 1 683 27 9 DI ...

Page 30: ...on the bracket of outdoor unit control box For more information please refer to Outdoor Unit installation manual h Applicable PI 485 model PMNFP14A0 PMNFP14A1 2 Using cable connect the PI 485 to main PCB For more information please refer to PI 485 installation manual PI 485 installation location Signal Setting Black ...

Page 31: ...0 Hz Cable Over CV 1 5 mm2 R LOW R MED R HI LOW L MED L HI L FAN Signal Wiring Concept CAUTION If the motor is On Off type HI MED LOW wire have to connect as common For example If you just connect HI wire to the motor On Off motor is not operating according to our control logic High Middle Low wire from AHU Comm Kit should not be connected directly to the motor Always use it as a motor for driving...

Page 32: ...ind the distributor on the coldest pass the heat exchanger contact your heat exchanger dealer 2 Pipe_Out EBG61287704 Install the thermistor at the outlet of the heat exchanger as close as possible to the heat exchanger Evaluation must be done to check if the evaporator is protected against freeze up Execute test operation and check for freeze up 1 Pipe_In Suction pipe 2 Pipe_Out Discharge pipe 1 2...

Page 33: ...ermistor may result in bad contact and incorrect temperature measurement Fixation of the pipe thermistors Field work 1 Fix the thermistor with insulating aluminum tape Field supply in order to ensure a good heat transfer 2 Put the supplied piece of rubber around the thermistor EBG61287703 04 in order to avoid loosening of the thermistor after some years 3 Fasten the thermistor with 2 tie wraps Fie...

Page 34: ...p to above water accumulation on down of the thermis tor For sensing the evaporator s temp in thermistor Put the upper port the thermistors on the evaporator this is the most sensitive point of the thermistor Water 45 2 1 1 Most sensitive point of the thermistor 2 Maximize the contact ...

Page 35: ... pipe outlet of AHU CH 09 Option PCB EEPROM error No reading signal for 5 times continu ously from EEPROM to Comm Kit Problem Cause Remedy AHU Communication Kit does not work No power supply Check the electrical connection and voltage of the power supply Wiring is wrong Check the electrical connection of the Communication Kit Refer to the circuit dia gram of the Communication Kit AHU Communication...

Page 36: ...ime 1 Time 2 Times 2 Times 2 Times 1 Sec 2 Sec 2 Sec 1 Sec 1 Sec LED01G RED LED02G GREEN Outdoor Error Ex CH21 IGBTM Fault Error CAUTION This page is about outdoor error code It can vary depending on outdoor unit For more information please refer to the outdoor unit manual ...

Page 37: ... Error INV Comp Stop CH41 Flashing 4 times Flashing 1 time 43 High pressure Sensor Error Stop CH43 Flashing 4 times Flashing 3 time 44 Outdoor Inlet Sensor Error Stop CH44 Flashing 4 times Flashing 4 times 45 Cond Pipe Sensor Error Stop CH45 Flashing 4 times Flashing 5 times 46 Suction Pipe Sensor Error Stop CH46 Flashing 4 times Flashing 6 times 48 Cond Out Pipe Sensor Error Stop CH48 Flashing 4 ...

Page 38: ...esentative LG Electronics Inc EU Representative Krijgsman 1 1186 DM Amstelveen The Netherlands Manufacturer LG Electronics Inc Changwon 2nd factory 84 Wanam ro Seongsan gu Changwon si Gyeongsangnam do KOREA ...

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