Electra KN 24 RC Service Manual Download

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INSTALLATION ................................................................................................................... 1

REQUIREMENT FOR ELECTRIC SAFETY ....................................................................... 2

PARTS NAMES AND THEIR FUNCTIONS ........................................................................ 3

OPERATION ATTENTION .................................................................................................. 4

TEMPORARY OPERATIONS ............................................................................................. 5

ADJUSTING AIR FLOW DIRECTION ................................................................................. 5

HINTS FOR ECONOMICAL OPERATION .......................................................................... 6

MAINTAINANCE ................................................................................................................. 6

PHENOMENA NOT CONCERNING MALFUNCTIONS ...................................................... 8

TROUBLES AND CAUSES (Concerning the unit) .............................................................. 9

TROUBLES AND CAUSES (Concerning the remote controller) ......................................... 9

REPARATION ................................................................................................................... 10

CONTENTS

ENGLISH

SZ000286/En

06/22/2004, 4:44 PM

Summary of Contents for KN 24 RC

Page 1: ...or Units KN 24 ST OU7 24 ST KN 30 RC 3PH OU8 30T RC KN 24 ST 3PH OU7 24T ST KN 36 ST OU10 36 ST KN 24 RC OU7 24 RC KN 36 ST 3PH OU10 36T ST KN 24 RC 3PH OU7 24T RC KN 36 RC OU10 36 RC KN 30 ST OU8 30...

Page 2: ...inal and changed pages are Original 0 September 2005 Total number of pages in this publication is 136 consisting of the following Page No Revision No Page No Revision No Page No Revision No Title 2 A...

Page 3: ...NS 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA PRESSURE CURVES 5 1 6 ELECTRICAL DATA 6 1 7 WIRING DIAGRAMS 7 1 8 ELECTRICAL CONNECTIONS 8 1 9 REFRIGERATION DIAGRAMS 9 1 10 TUBING CONNECTIONS 10 1...

Page 4: ...o interconnecting tubing and wiring connections Integral condensate water pump Automatic treated air sweep Easy installation and service 1 3 Indoor Unit The indoor unit is a ceiling mounted and can be...

Page 5: ...onnecting wiring terminal block Electrical phase protector on 3PH models Advanced TYPHOON PCB 1 7 Tubing Connections Flare type interconnecting tubing to be produced on site For further details please...

Page 6: ...24 EMDB30 EMDB36 OU7 24ST R410A OU7 24T ST R410A OU7 24 RC R410A OU7 24T RC R410A OU8 30 ST R410A OU8 30T ST R410A OU8 30 RC R410A OU8 30T RC R410A OU10 36 ST R410A OU10 36T ST R410A OU10 36 RC R410A...

Page 7: ...54 50 48 Sound pressure level 4 H M L dB A 44 41 38 Moisture removal l hr 2 5 Condensate drain tube I D mm 32 Dimensions WxHxD mm 840x230x840 Unit 950x46x950 Frame Weight kg 36 unit 6 Frame Package di...

Page 8: ...d pressure level 4 H M L dB A 44 41 38 Moisture removal l hr 2 5 Condensate drain tube I D mm 32 Dimensions WxHxD mm 840x230x840 Unit 950x46x950 Frame Weight kg 36 unit 6 Frame Package dimensions WxHx...

Page 9: ...unit 7 Frame Units per pallet units 5 Unit 15 Frame INDOOR Stacking height units 5 Levels unit 15 Levels Frame Refrigerant control Capillary Compressor type model Rotary Mitsubishi NN33VAAMT Fan type...

Page 10: ...7 Frame Units per pallet units 5 Unit 15 Frame INDOOR Stacking height units 5 Levels unit 15 Levels Frame Refrigerant control Capillary Compressor type model Rotary Mitsubishi NN33YCAMT Fan type quant...

Page 11: ...kg 52 Units Frames per pallet Units 5 15 INDOOR Stacking height Units Frames Units 5 15 Refrigerant control Capillary tube Compressor type model Scroll Fan type quantity Axial 2 Fan speeds H L RPM 11...

Page 12: ...Packaged weight kg 52 Units Frames per pallet Units 5 15 INDOOR Stacking height Units Frames Units 5 15 Refrigerant control Capillary tube Compressor type model Scroll Fan type quantity Axial 2 Fan sp...

Page 13: ...0 145 Packaged weight kg 52 Units Frames per pallet Units 5 15 INDOOR Stacking height Units Frames Units 5 15 Refrigerant control Capillary tube Compressor type model Scroll Fan type quantity Axial 2...

Page 14: ...s and EN 14511 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 Indoor Outdoor Cooling Upper limit 32o C DB 23o C WB 46o C DB Low...

Page 15: ...g side 780 Hook location 840 Body 880 Ceiling hole 950 Panel Chart 2 Unit mm Chart 3 780 Hook location 840 Body 880 Ceiling hole 950 Panel Note 24 27 30 Series A 260mm 36 45 Series A 330mm Body Hook C...

Page 16: ...4 2 OUTLINE DIMENSIONS Revision Y06 02 Service Manual KN Series 4 2 Outdoor Unit OU7 24 4 3 Outdoor Unit OU8 30...

Page 17: ...4 3 OUTLINE DIMENSIONS Revision Y06 02 Service Manual KN Series 4 4 Outdoor Unit OU10 36 OU10 47...

Page 18: ...42 7 64 7 83 SC 4 58 4 86 5 13 5 28 5 37 PI 1 87 1 88 1 90 1 91 1 92 30 TC 6 11 6 65 7 19 7 44 7 66 SC 4 44 4 72 5 02 5 16 5 26 PI 2 02 2 05 2 07 2 08 2 10 35 TC 5 66 6 14 6 77 7 11 7 45 SC 4 22 4 52...

Page 19: ...57 2 40 8 35 2 59 8 14 8 35 20 9 03 2 47 8 81 2 68 8 57 8 78 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry...

Page 20: ...10 11 15 20 25 30 35 40 46 Outdoor Temp DB o C Suction Pressure Bar g 21 15 DB WB C 24 17 DB WB C 27 19 DB WB C 29 21 DB WB C 32 23 DB WB C Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 3...

Page 21: ...eating Suction Pressure VS Outdoor Temp 3 4 5 6 7 8 9 10 11 10 5 0 5 10 15 20 Outdoor Temp WB o C Suction Pressure Bar g 15 DB C 20 DB C 25 DB C Discharge Pressure VS Outdoor Temp 18 23 28 33 38 43 10...

Page 22: ...SC 5 61 5 95 6 28 6 46 6 58 PI 2 45 2 46 2 48 2 50 2 51 30 TC 7 49 8 15 8 81 9 12 9 39 SC 5 43 5 78 6 14 6 32 6 44 PI 2 64 2 68 2 70 2 72 2 75 35 TC 6 93 7 52 8 30 8 72 9 13 SC 5 17 5 54 6 00 6 17 6 2...

Page 23: ...2 2 97 10 55 3 20 10 28 3 40 20 11 40 3 05 11 13 3 31 10 82 3 57 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB D...

Page 24: ...SC 5 61 5 95 6 28 6 46 6 58 PI 2 38 2 40 2 41 2 43 2 44 30 TC 7 49 8 15 8 81 9 12 9 39 SC 5 43 5 78 6 14 6 32 6 44 PI 2 57 2 60 2 63 2 65 2 67 35 TC 6 93 7 52 8 30 8 72 9 13 SC 5 17 5 54 6 00 6 17 6 2...

Page 25: ...2 2 87 10 55 3 10 10 28 3 29 20 11 40 2 96 11 13 3 21 10 82 3 46 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB D...

Page 26: ...5 7 0 7 5 8 0 8 5 9 0 9 5 10 0 15 20 25 30 35 40 46 Outdoor Temp DB o C Suction Pressure Bar g 21 15 DB WB C 24 17 DB WB C 27 19 DB WB C 29 21 DB WB C 32 23 DB WB C Discharge Pressure VS Outdoor Temp...

Page 27: ...essure VS Outdoor Temp 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 10 5 0 5 10 15 20 Outdoor Temp WB o C Suction Pressure Bar g 15 DB C 20 DB C 25 DB C Discharge Pressure VS Outdoor Temp 18 20 22 24 26 28 3...

Page 28: ...0 7 5 8 0 8 5 9 0 9 5 10 0 10 5 11 0 15 20 25 30 35 40 46 Outdoor Temp DB o C Suction Pressure Bar g 21 15 DB WB C 24 17 DB WB C 27 19 DB WB C 29 21 DB WB C 32 23 DB WB C Discharge Pressure VS Outdoo...

Page 29: ...essure VS Outdoor Temp 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 10 5 0 5 10 15 20 Outdoor Temp WB o C Suction Pressure Bar g 15 DB C 20 DB C 25 DB C Discharge Pressure VS Outdoor Temp 18 20 22 24 26 28 3...

Page 30: ...67 SC 6 43 6 83 7 20 7 41 7 54 PI 2 89 2 91 2 93 2 95 2 97 30 TC 9 11 9 92 10 72 11 10 11 43 SC 6 23 6 62 7 04 7 25 7 39 PI 3 12 3 17 3 20 3 22 3 25 35 TC 8 44 9 16 10 10 10 61 11 11 SC 5 93 6 35 6 8...

Page 31: ...1 92 4 00 11 62 4 25 20 12 88 3 82 12 57 4 14 12 22 4 46 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb...

Page 32: ...22 24 26 28 30 32 34 36 38 40 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp...

Page 33: ...ge Pressure VS Outdoor Temp 16 18 20 22 24 26 28 30 32 34 36 38 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 3 0 4 0 5 0 6 0...

Page 34: ...11 21 SC 6 06 6 43 6 78 6 98 7 11 PI 2 78 2 80 2 82 2 83 2 85 30 TC 8 75 9 53 10 29 10 66 10 98 SC 5 87 6 24 6 63 6 83 6 96 PI 3 00 3 04 3 07 3 09 3 12 35 TC 8 10 8 79 9 70 10 19 10 67 SC 5 58 5 98 6...

Page 35: ...2 15 4 08 11 85 4 34 20 13 13 3 90 12 82 4 23 12 46 4 56 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb...

Page 36: ...22 24 26 28 30 32 34 36 38 40 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp...

Page 37: ...Pressure VS Outdoor Temp 16 18 20 22 24 26 28 30 32 34 36 38 40 42 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 3 0 4 0 5 0 6...

Page 38: ...8 SC 7 80 8 28 8 73 8 98 9 15 PI 3 66 3 69 3 71 3 73 3 76 30 TC 11 14 12 13 13 11 13 57 13 98 SC 7 55 8 03 8 54 8 79 8 95 PI 3 95 4 01 4 04 4 07 4 11 35 TC 10 32 11 20 12 35 12 97 13 58 SC 7 18 7 70 8...

Page 39: ...15 58 5 14 15 18 5 46 20 16 83 4 91 16 43 5 32 15 97 5 74 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb...

Page 40: ...24 26 28 30 32 34 36 38 40 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 4 0...

Page 41: ...ressure VS Outdoor Temp 16 18 20 22 24 26 28 30 32 34 36 38 40 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 3 0 4 0 5 0 6 0 7...

Page 42: ...1 5 mm2 2 X 0 5 mm2 OCT Sensor 6 2 Single Phase Units Optional Heating Element MODEL KN 24 KN30 Power Supply To Outdoor To Outdoor 1PH 230V 50 Hz 1PH 230V 50 Hz Heating Element kW 2 1 2 7 Max Current...

Page 43: ...oss Section mm2 5 X 1 5 mm2 5 X 2 5 mm2 Interconnecting Cable RC Model No X Cross Section mm2 6 X 1 5 mm2 2 X 0 5 mm2 OCT Sensor 6 X 1 5 mm2 2 X 0 5 mm2 OCT Sensor Interconnecting Cable ST Model No X...

Page 44: ...OTES Please ignored broken line for ST model LEGEND BK BLACK BU BLUE BN BROWN OG ORANGE RD RED WH WHITE YE YELLOW FU FUSE MS MOTOR SWING GNYE YELLOW GREEN VOLTAGE 220 240V 50HZ SW I N G M O TO R CAP1...

Page 45: ...7 2 WIRING DIAGRAMS Revision Y06 02 Service Manual KN Series 7 3 Outdoor Unit OU7 24 30 1PH 7 4 Outdoor Unit OU7 24 30 3PH...

Page 46: ...7 3 WIRING DIAGRAMS Revision Y06 02 Service Manual KN Series 7 5 Indoor Unit KN 36 36T 45T 7 6 Outdoor Unit OU10 36...

Page 47: ...7 4 WIRING DIAGRAMS Revision Y06 02 Service Manual KN Series 7 7 Outdoor Unit OU10 36T 7 8 Outdoor Unit OU10 47T...

Page 48: ...8 1 ELECTRICAL CONNECTIONS Revision Y06 02 Service Manual KN Series 8 ELECTRICAL CONNECTIONS 8 1 KN 24 30 36 45 Power Supply to Outdoor 8 2 KN 24 30 36 45 3PH...

Page 49: ...9 1 REFRIGERATION DIAGRAMS Revision Y06 02 Service Manual KN Series 9 REFRIGERATION DIAGRAMS 9 1 Heat Pump Models 9 1 1 KN 24 R410A...

Page 50: ...9 2 REFRIGERATION DIAGRAMS Revision Y06 02 Service Manual KN Series 9 1 2 KN 30 R410A...

Page 51: ...9 3 REFRIGERATION DIAGRAMS Revision Y06 02 Service Manual KN Series 9 1 3 KN 36 R410A...

Page 52: ...9 4 REFRIGERATION DIAGRAMS Revision Y06 02 Service Manual KN Series 9 1 4 KN 36T R410A...

Page 53: ...9 5 REFRIGERATION DIAGRAMS Revision Y06 02 Service Manual KN Series 9 1 5 KN 45T R410A...

Page 54: ...9 6 REFRIGERATION DIAGRAMS Revision Y06 02 Service Manual KN Series 9 2 Cooling Only Models 9 2 1 KN 24 30 36 45 R410A...

Page 55: ...3 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 Tub...

Page 56: ...3 SW NO 4 SW NO 3 SW NO 2 SW NO 1 RC ALL MODES OF OPERATION OFF OFF STD COOL FAN DRY ACTIVE OFF ON HEAT COOL FAN DRY ACTIVE ON OFF AUTO FAN AF ON ON VERTICAL SWING ONLY TEMP DISPLAY IN qC DEGREES OFF...

Page 57: ...11 2 CONTROL SYSTEM Revision Y06 02 Service Manual KN Series 11 1 3 Main PCB Controller...

Page 58: ...STEM Revision Y06 02 Service Manual KN Series 11 1 4 Display Board PCB 1 1 IR Receiver 2 Buzzer 3 STBY LED 4 Operation LED 5 Timer LED 6 Heating LED 7 Display Port Connection 8 Push Button Mode Legend...

Page 59: ...igh Waterlevel LEVEL4 Overflow Level Max Maximum Min Minimum min Minute time NA Not Applicable OCP Outdoor Condensation Pump OCT Outdoor Coil Temperature RT3 sensor OF OFAN Outdoor Fan OPER Operate Pa...

Page 60: ...ored 11 3 2 IFAN operation a Min time interval between IFAN speed change in AUTOFAN Mode is 30 sec b Min time interval between IFAN speed change in H M L Mode is 1 sec c IFAN speed in Heat Cool AUTOFA...

Page 61: ...rformed only once after a unit is switched from OFF STBY to operation At the first occurrence of 10 min continuous COMP operation the current ICT are compared with those when the COMP was switched fro...

Page 62: ...mode change then at the first occurrence of 15 min continuous COMP operation ICT is compared with ICT reading when the COMP was switched from OFF to ON 15 min before RV fault is defined when ICT decre...

Page 63: ...ation or x RCT R C sensor in I FEEL mode c Indoor Coil Temp is detected by ICT d Outdoor Coil Temp is detected by OCT 11 4 2 Control Functions a COMP Operation ON OFF RT SPT 0 1 COMP b OFAN Operation...

Page 64: ...06 02 Service Manual KN Series 11 4 3 Sequence Diagrams a Maintaining room temp at desired level by comparing RT and SPT with user defined IFAN speed RT SPT o c 3 2 1 0 1 2 ON OFF ON OFF USER FAN SPEE...

Page 65: ...ONTROL SYSTEM Revision Y06 02 Service Manual KN Series b Maintaining room temp at desired level by comparing RT and SPT with AUTO IFAN RT SPT oc 4 3 2 1 0 1 2 ON OFF ON OFF H L M ON OFF COMP WVL OFAN...

Page 66: ...H groups IFAN will be switched ON according to the following graph NOTE 1 When COMP is ON except WAX Model IFAN will change from LOW to OFF either when a ICT 28 and IFAN is on for 5 min or longer Or b...

Page 67: ...oc 2 Operation rules for Heaters in RC group a Heaters can be enabled only if IFAN is ON b Heaters will operate according to T and the following graph 32 20 20 15 50 ON OFF ICT 45 HE 1 HE 2 General Wi...

Page 68: ...FF OFF f OFAN Operation for RC and SH groups 1 As a general rule for RC and SH groups excluding protection modes OFAN starts with the compressor 2 When OFAN is ON it will operate according to the foll...

Page 69: ...r SH Group Mode HEAT AUTO at heating Temp Selected desired temperature Fan HIGH MED LOW Timer Any I FEEL ON or OFF 11 6 1 Sequence Diagram Maintains room temp at desired level by comparing RAT or RCT...

Page 70: ...Group with Autofan Mode HEAT AUTO at heating Temp Selected desired temperature Fan AUTO Timer Any I FEEL ON or OFF 11 7 1 Sequence Diagram Maintains room temp at desired level by controlling COMP IFA...

Page 71: ...up Mode HEAT AUTO at Heating Temp Selected desired temperature Fan HIGH MED LOW Timer Any I FEEL ON or OFF 11 8 1 Sequence Diagram Maintains room temp at desired level by controlling Heating Elements...

Page 72: ...h AUTOFAN Mode HEAT AUTO at Heating Temp Selected desired temperature Fan AUTO Timer Any I FEEL ON or OFF 11 9 1 Sequence Diagram Maintains room temp at desired level by controlling the 2 Stage Electr...

Page 73: ...the RT reaches SPT 1O C or SPT 1O C respectively d For RC SH units Mode change between Auto Heat Auto Cool Modes is possible only after the COMP has been OFF during the last T minutes Mode Change Tim...

Page 74: ...or Heating RC or SH Groups Maintains room temp at desired level by selecting between cooling and heating modes RT SPT o c 3 2 1 0 1 2 3 4 ON OFF ON OFF H M L OFF ON OFF ON OFF COMP OFAN HE1 HE2 IFAN R...

Page 75: ...OFF ON OFF H M L 30 sec COMP OFAN HE1 HE2 IFAN RV OFF 3 min 2 Auto Heat Mode Auto Cool Mode Auto Heat Mode 1 3 min 2 11 11 Dry Mode 11 11 1 Dry ST or RC Group or P2000 Model with Any Group Settings M...

Page 76: ...3 5 min longer than the 3 min Min COMP OFF time after every 15 min of continuous COMP operation 2 When DRY is OFF the COMP is forced ON for 6 min longer than the 3 min Min COMP ON time after every 15...

Page 77: ...esired temperature Fan LOW automatically selected by software Timer Any I FEEL Any Control function Reduces room humidity with minimum temp fluctuations by operating in Cool Mode with LOW speed IFAN a...

Page 78: ...ed desired temp Fan Any Timer Any I FEEL ON or OFF Control Function Protects the indoor coil from ice formation at low ambient temperatures ICT oc 2 ON OFF ON OFF t1 t2 t3 COMP OFAN 1 5 14 0 1 ON OFF...

Page 79: ...FAN IFAN OPER LED 52 55 61 66 L COMP is forced OFF OFAN is forced ON IFAN forced to LOW 68 OFAN follow operation of COMP COMP is forced OFF OFAN is forced ON For all models except WAX P2000 For WAX P2...

Page 80: ...ed OFF 8 min 8 min Overflow when unit is ON Overflow when unit is OFF 1 min Notes 1 The switch used for water level detection is closed under normal condition and is open when water overflow 2 For the...

Page 81: ...outdoor coil from ice formation by controlling COMP RV operation 1 Deicer Activation Algorithm a Static deicer threshold is 5 C b Dynamic deicer threshold changes of 3 C in 3 minutes in the OCT tempe...

Page 82: ...OFF ANY HE OFF ANY all SH units except WAX RC or WAX units HEs are forced OFF IFAN is forced to Low Speed BLINK ON OPER LED NOTES 1 In the following Deicing cycles the time interval between two Deici...

Page 83: ...ode AUTO HEATING Fan Any Timer Any I FEEL ON or OFF Control Function Protects the compressor from high pressure by switching OFF the OFAN and COMP ICT o c Any Off Any Off COMP OFAN 52 55 61 66 COMP is...

Page 84: ...re compensation schedule is disabled 2 The forced operation is activated when the mode button on the Display Board is used to switch the unit to COOL or HEAT mode 3 The IFAN is always set to Autofan S...

Page 85: ...ment is negative from 0 to 3o C x In other modes there is no SPT adjustment x The SPT adjustment is cancelled when the Sleep mode is cancelled SPT Time Hr 4 8 5 3 2 6 Start Sleep 7 RT SPT 1 SPT 2 SPT...

Page 86: ...elative to the starting of Sleep the Sleep time is extended And instead of going to SB at the 7th hour the A C will work until reaching the Off time Case 3 is an exception to case 2 The Sleep Mode wil...

Page 87: ...ODE BUTTON INDOOR FAN SPEED TEST SELF TEST FLOW CHART Step 1 Step 2 Step 3 FOR CONTROLLER VERSION 4V5 OR HIGHER COOL HEAT COMPRESSOR OUTDOOR FAN R V LOW MEDIUM HIGH TIMER OPERATE STANDBY BUZZER TEST O...

Page 88: ...ings 4 Uncover the remote control IR transmitter and change the temperature settings If the display indoor unit receive the settings properly the following steps will start c STEP 3 MODEL SETTING CONF...

Page 89: ...t automatically f STEP 5 FREQUENCY TESTING If the frequency measuring process fails the COOL LED will turn ON In order to move to the next step press ON OFF button on the remote control g STEP 6 INPUT...

Page 90: ...l for 60 sec Values of Sensors Temperature VS Voltage DC Temp C Voltage V Temp C Voltage V Temp C Voltage V Temp C Voltage V 20 4 554 2 3 744 24 2 555 46 1 487 19 4 529 3 3 695 25 2 5 47 1 447 18 4 50...

Page 91: ...onds according to the following table No Problem 1 2 3 4 5 1 RT1 is disconnected 2 RT1 is shorted 3 RV fault 4 RT2 is disconnected 5 RT2 is shorted 6 Reserved 7 RT2 temp reading doesn t change 8 RT3 i...

Page 92: ...es not function correctly Check the voltage between indoor fan terminals on the main P C B There is voltage between outdoor fan terminals on the outdoor unit There is no voltage between outdoor fan te...

Page 93: ...gs are shorted Check voltage repair wiring if necessary Check fan wheel if it is tight enough on motor shaft tighten if necessary Replace indoor fan motor 13 Partial limited air supply at indoor indoo...

Page 94: ...D SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 EXPLODED VIEWS AND SPARE PARTS LISTS 13 1 Indoor Unit KN 24 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 25 26 21 22 23 24 27 2...

Page 95: ...Evaporator Assy R410A for SPL OEM 1 13 462350010 Evaporator Assy KN 24 R410A 1 14 4525518 KN 24 INDOOR MOTOR 1 15 2124200050 Base Pan Assy for SPL OEM CASSETTE 1 16 4525530 pump PSB 12 for OEM CASSET...

Page 96: ...aporator Assy R410A for SPL OEM 1 13 462350011 Evaporator Assy KN 30 R410A 1 14 4525519 OEM CASSETTE90X90K N 30 INDOOR MOTOR 1 15 2124200050 Base Pan Assy for SPL OEM CASSETTE 1 16 4525530 pump PSB 12...

Page 97: ...13 4 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 4 Indoor Unit KN 36 45 1 2 3 4 5 6 7 8 10 9 11 12 13 14 15 16...

Page 98: ...EM 1 13 2154200610 Evaporator Assy for OEM CASSETTE SPL 1 8 2224200601 Receive Water Assy for OEM CASSETTE 1 9 2224209005 EvaporatorBaseAssyforOEMCASSETTESPL 1 18 2240010007 Swing motor 1 6 2334209153...

Page 99: ...01 Base Pan Assy for OEM CASSETTE SPL 1 13 2154200610 Evaporator Assy for OEM CASSETTE SPL 1 8 2224200601 Receive Water Assy for OEM CASSETTE 1 9 2224209005 EvaporatorBaseAssyforOEMCASSETTESPL 1 18 22...

Page 100: ...13 7 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 7 Outdoor Unit OU7 24 RC 1PH...

Page 101: ...4 NEW BASE ASSY OU 2005 EXPORT 1 9 44 433816 SUCTION ASSY OU7 R410A 1 10 9 434062 MOTOR 86W 2S OU7 24 1 11 19 434716 THERMISTOR CAP WTH CONNECTOR L 1 12 3 436357 SMALL ELECTRICAL COVER OU 1 13 11 4363...

Page 102: ...13 9 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 9 Outdoor Unit OU7 24 ST 1PH Optional...

Page 103: ...8 15 433845 CAPILLARY ASSY OU7 24 ST R410A 1 9 7 433846 COIL OU7 24 ST 1 10 45 433847 GAS VAVE ASSY OU7 ST R410A 1 11 9 434062 MOTOR 86W 2S OU7 24 1 12 19 434716 THERMISTOR CAP WTH CONNECTOR L 1 13 3...

Page 104: ...13 11 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 11 Outdoor Unit OU7 24 RC 3PH...

Page 105: ...1 8 14 433753 COMPRESSOR NN27YDAMT 1 9 44 433816 SUCTION ASSY OU7 R410A 1 10 9 434062 MOTOR 86W 2S OU7 24 1 11 19 434716 THERMISTOR CAP WTH CONNECTOR L 1 12 3 436357 SMALL ELECTRICAL COVER OU 1 13 11...

Page 106: ...13 13 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 13 Outdoor Unit OU7 24 ST 3PH Optional...

Page 107: ...D493 143 1 9 9 434062 MOTOR 86W 2S OU7 24 1 10 10 433281 SIDE GUARD OU7 24 R410 1 11 11 436358 TRANSPORT HANDLE CUE 1 12 12 439342 MOTOR BASE OU7 1 13 13 190443 HEATER CRANKCASE MITSUBISHI COMP 1 14...

Page 108: ...13 15 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 15 Outdoor Unit OU8 30 RC 1PH...

Page 109: ...43 1 8 434062 MOTOR 86W 2S OU7 24 1 9 403996 SIDE GUARD OU8 33Z 1 10 436358 OU LEADING HANDLE 1 11 439775 MOTOR SUPPORT OU8 1 12 190443 HEATER CRANKCASE MITSUBISHI 1 13 433297 COMPRESSOR NN33VAAMT 1 1...

Page 110: ...IDE GUARD OU8 33Z 1 10 436358 OU LEADING HANDLE 1 11 439775 MOTOR SUPPORT OU8 1 12 190443 HEATER CRANKCASE MITSUBISHI 1 13 433297 COMPRESSOR NN33VAAMT 1 14 433822 CAPILLARY ASSY OU8 30 R410A RC 1 15 4...

Page 111: ...13 18 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 18 Outdoor Unit OU8 30 ST 1PH...

Page 112: ...4 AXIAL FAN D493 143 1 8 434062 MOTOR 86W 2S OU7 24 1 9 403996 SIDE GUARD OU8 33Z 1 10 436358 OU LEADING HANDLE 1 11 439775 MOTOR SUPPORT OU8 1 12 190443 HEATER CRANKCASE MITSUBISHI 1 13 433297 COMPRE...

Page 113: ...U7 24 1 9 403996 SIDE GUARD OU8 33Z 1 10 436358 OU LEADING HANDLE 1 11 439775 MOTOR SUPPORT OU8 1 12 190443 HEATER CRANKCASE MITSUBISHI 1 13 433297 COMPRESSOR NN33VAAMT 1 14 433830 CAPILLARY ASSY OU8...

Page 114: ...13 21 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 21 Outdoor Unit OU8 30 RC 3PH...

Page 115: ...143 1 8 434062 MOTOR 86W 2S OU7 24 1 9 403996 SIDE GUARD OU8 33Z 1 10 436358 OU LEADING HANDLE 1 11 439775 MOTOR SUPPORT OU8 1 12 190443 HEATER CRANKCASE MITSUBISHI 1 13 433298 COMPRESSOR NN33YCAMT 1...

Page 116: ...13 23 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 23 Outdoor Unit OU8 30 ST 3PH...

Page 117: ...604 AXIAL FAN D493 143 1 8 434062 MOTOR 86W 2S OU7 24 1 9 403996 SIDE GUARD OU8 33Z 1 10 436358 OU LEADING HANDLE 1 11 439775 MOTOR SUPPORT OU8 1 12 190443 HEATER CRANKCASE MITSUBISHI 1 13 433298 COMP...

Page 118: ...13 25 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 25 Outdoor Unit OU10 36 RC 1PH...

Page 119: ...OU10 38 2 9 430838 SIDE NET PANEL EL13 OU10 44Z 1 10 436358 OU LEADING HANDLE 1 11 439657 MOTOR SUPPORT OU10 1 12 190443 HEATER CRANKCASE MITSUBISHI 1 13 433279 COMPRESSOR NN40VAAMT 1 14 433857 CAPIL...

Page 120: ...13 27 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 27 Outdoor Unit OU10 36 ST 3PH...

Page 121: ...9865 MOTOR 70W 3S OU10 38 2 9 430838 SIDE NET PANEL EL13 OU10 44Z 1 10 436358 OU LEADING HANDLE 1 11 439657 MOTOR SUPPORT OU10 1 12 190443 HEATER CRANKCASE MITSUBISHI 1 13 433279 COMPRESSOR NN40VAAMT...

Page 122: ...13 29 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 29 Outdoor Unit OU10 36 RC 3PH...

Page 123: ...3S OU10 38 2 9 430838 SIDE NET PANEL EL13 OU10 44Z 1 10 436358 OU LEADING HANDLE 1 11 439657 MOTOR SUPPORT OU10 1 12 190443 HEATER CRANKCASE MITSUBISHI 1 13 433855 COMPRESSOR NN40YCAMT 1 14 433857 CA...

Page 124: ...13 31 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 31 Outdoor Unit OU10 36 ST 3PH...

Page 125: ...439865 MOTOR 70W 3S OU10 38 2 9 430838 SIDE NET PANEL EL13 OU10 44Z 1 10 436358 OU LEADING HANDLE 1 11 439657 MOTOR SUPPORT OU10 1 12 190443 HEATER CRANKCASE MITSUBISHI 1 13 433855 COMPRESSOR NN40YCA...

Page 126: ...13 33 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 33 Outdoor Unit OU10 47 RC 3PH...

Page 127: ...S OU10 50 2 9 430838 SIDE NET PANEL EL13 OU10 44Z 1 10 436358 OU LEADING HANDLE 1 11 439657 MOTOR SUPPORT OU10 1 12 190442 HEATER CRANKCASE OU10 LG 1 13 438764 COMPRESSOR ARA053YAA 1 14 433924 CAPILLA...

Page 128: ...13 35 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y06 02 Service Manual KN Series 13 35 Outdoor Unit OU10 47 ST 3PH...

Page 129: ...651 MOTOR 70W 3S OU10 50 2 9 430838 SIDE NET PANEL EL13 OU10 44Z 1 10 436358 OU LEADING HANDLE 1 11 439657 MOTOR SUPPORT OU10 1 12 190442 HEATER CRANKCASE OU10 LG 1 13 438764 COMPRESSOR ARA053YAA 1 14...

Page 130: ...Ordering code no RCW 436195 WNG add PCB SP000000290 ENGLISH REMOTE CONTROL 1 START STOP button 2 Operation mode selection button COOLING HEATING AUTO COOL HEAT DRY FAN 3 LOCAL temperature sensing but...

Page 131: ...dd PCB SP000000290 1 2 3 4 1 Display screen 2 Keys for raising and lowering the set temperature 3 Ventilation mode selection Low speed Medium speed High speed AUTO Automatic speed selection 4 ON Stand...

Page 132: ...14 3 OPTIONAL ACCESSORIES Revision Y06 02 Service Manual KN Series 14 3 RCW RCW2 Wiring Connections as Shown on Kit...

Page 133: ...ition toward the outdoor fan motor side Fig 2 OU7 OU8 OU10 Fig 3 Unscrew the cap of the provided service valve D and connect to the T valve supplied in the kit Use Copper sealing gasked between the ar...

Page 134: ...r to tab TB8 on PCB Typhoon Connect Green Wire from Fan Speed Controller to Tab TB1 on PCB Typhoon Connect Y Green wire from Fan Speed Controller to ground screw on units partition Return JP1 wire pre...

Page 135: ...illary tube together with plastic ties don t fold or break the capillary tube keep a large loop for extra length of capillary tube Check for refrigerant leaks Fig 8 Re assemble the previously removed...

Page 136: ...15 1 APPENDIX A Revision Y06 02 Service Manual KN Series APPENDIX A INSTALLATION AND OPERATION MANUAL INSTALLATION MANUAL KN 24 30 36 45 OPERATION MANUAL KN 24 30 36 45...

Page 137: ...ATION ATTENTION 4 TEMPORARY OPERATIONS 5 ADJUSTING AIR FLOW DIRECTION 5 HINTS FOR ECONOMICAL OPERATION 6 MAINTAINANCE 6 PHENOMENA NOT CONCERNING MALFUNCTIONS 8 TROUBLES AND CAUSES Concerning the unit...

Page 138: ...uiring dry circum stances or any heaters Powerful radio transmitters or any other devices radiating high frequency radio waves can cause malfunction of the air conditioner Please consult the dealer wh...

Page 139: ...mstance should the ground wire or the main power switch be cut off Don t use ruined wiring if you have found any please replace it immediately Please pre heat the air conditioner for at least 12 hours...

Page 140: ...may exist on the outlook and functions from yours NAMES AND FUNCTIONS a Indoor unit b Outdoor unit c Remote controller d Air in e Air out f Air outlet g Air flow louver at air outlet h Connecting pipe...

Page 141: ...it or cause fires Don t put hands or objects into the air outlet and inlet These units contain a fan running at a high speed Contacting with the moving fan will cause serious injury Don t remove the f...

Page 142: ...EAT mode 2 Mandatory COOL The air conditioner will run under COOL mode 3 OFF The OPERATION lamp o goes off and the air conditioner will be STAND BY ADJUSTING AIR FLOW DIRECTION While the unit is in op...

Page 143: ...A clogged air filter will reduce cooling or heating efficiency please clean it once two weeks MAINTENANCE CAUTION Maintenance work can only be performed by specialized maintenance personnel The main p...

Page 144: ...of electrical shock or fire do not let water fall into the indoor unit Never wipe the air flow louver violently An air conditioner without air filter cannot expel the dust out of the room which would...

Page 145: ...defrosting the water will be sent out in the form of steam 3 Noise A kind of continuous low sound of hiss could be heard while the air conditioner is on operation This is caused by Freon flowing betw...

Page 146: ...the following points 1 Inoperative The power supply is broken Wait for a while The power switch is set off Set it on The power fuse is blown or the circuit breaker has been tripped Replace it The batt...

Page 147: ...the set time has elapsed The TIMER ON indicators go off after a lapse of certain time Check whether the timer operation is started when the TIMER ON is indicated on the display When the time set to st...

Page 148: ...STALLATION INFORMATION 2 3 ATTACHED FITTINGS 3 4 INSTALLATION PLACE 4 5 INDOOR UNIT INSTALLATION 5 6 OUTDOOR UNIT INSTALLATION 8 7 INSTALL THE CONNECTING PIPE 9 8 CONNECT THE DAIN PIPE 13 9 WIRING 15...

Page 149: ...maintenance operations on system turn off main power switch of the unit Electrical shock could cause personal injury This unit shall be installed in accordance with national wiring regulations WARNING...

Page 150: ...ntact your local dealer INSTALLATION INFORMATION To install properly please read this installation manual at first The air conditioner must be installed by qualified persons When installing the indoor...

Page 151: ...6 Out let pipe clasp 1 3 Installation paper board 1 7 Tightening band 20 4 Bolt M6X12 4 8 Drain elbow 1 9 Seal ring 1 Protect Pipe Fittings Remote controller Its Frame 10 Wall conduit 1 12 Remote cont...

Page 152: ...ect radiation from heaters 2 The outdoor unit There is enough room for installation and maintenance The air outlet and the air inlet are not impeded and can mot be reached by strong wind It must be a...

Page 153: ...hooks according to the hook holes in the installation board Drill four holes of M12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings Face the concave si...

Page 154: ...ing on ceiling Please first guarantee the flatness and horizontal of ceiling when installing it Refer to the A a mentioned above for others c Refer to the A c mentioned above for installation d Remove...

Page 155: ...opening Guarantee that hooks of four corners are fixed well e Keep fastening the screws under the panel hooks until the thickness of the sponge between the body and the panel s outlet has been reduce...

Page 156: ...sible NECESSARY ROOM FOR installation and maintenance Refer to chart 17 chart 18 If possible please remove the obstacles nearby to prevent the performance from being impeded by too little of air circu...

Page 157: ...them CAUTION Daub the surface of the flare pipe and the joint nuts with frozen oil and wrench it for 3 4 rounds with hands before fasten the flare nuts Refer to chart 19 Be sure to use two wrenches si...

Page 158: ...the same insulating materials when you buy the brass pipe 2 Locate The Pipes Drill a hole in the wall suitable just for the size of the wall conduit 50 53 71 series diameter is M90mm and 120 series d...

Page 159: ...old value completely 4 Turn on the vacuum pump At the beginning of pumping loosen the maintenance terminator nut of stop value B a little to check whether the air comes in the sound of the pump change...

Page 160: ...clockwise this time 7 Disassemble the charge hose from the repair mouth of stop value A and fasten the unit Operate the stop valves Open the value stem until it reaches the limitator Do not open it a...

Page 161: ...t condensation caused by entered air To prevent water from flowing backwards into the air conditioner while the air conditioner stops please lean the drainpipe down toward outdoor outlet side at a deg...

Page 162: ...e sound of the drain pump Check whether the water is discharged well a long of 1 min is allowed before discharging according to the length of the drain pipe and check whether water leaks from the join...

Page 163: ...lly do not twist two wiring together unless the joint is soldered well and covered with insulator tape 7 Do not turn on the power until you checked carefully after wiring 1 The Speci cation of Power 2...

Page 164: ...power supply cable must be HO5VV K5G type and contain 3X4 mm2 leads b Three phase models See Figure 36 The main power supply cable must be HOVV K5G type and contain 5X2 5mm2 leads WARNING On unit with...

Page 165: ...loor it must be protected and isolated from any possible contact with water When the cable path runs through a wall or an acoustic ceiling it will be protected with fireproof tubing In addition the tw...

Page 166: ...RW 300 500 5X1 5mm2 INDOOR OUTDOOR 3 CORE Cable 3X1 5mm2 3 CORE Cable YZW 300 500 3X1 5mm2 Note The cooling only type without the link listed by broken line KN 27 AIR CONDITIONER LINK CIRCUIT Chart 37...

Page 167: ...9 Cable 3X2 5mm 2 POWER 220 230V 50Hz Chart 38 INDOOR R O O D T U O Note The cooling only type without the link listed by broken line KN 24 27 AIR CONDITIONER LINK CIRCUIT Cable 3X2 5mm 2 Cable 3X4mm...

Page 168: ...air conditioner under the mode of COOLING with the remote controller and check the following points per the Owner s manual If there is any malfunction please resolve it as per chapter Troubles and Ca...

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