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TABLE OF CONTENTS

Service Manual - KXL DCI

Revision 0

Table of Contents

INTRODUCTION............................................................................................................................. 1

PRODUCT DATA SHEET............................................................................................................... 1

RATING CONDITIONS ...................................................................................................................

3-1

OUTLINE DIMENSIONS.................................................................................................................

4-1

PERFORMANCE DATA ................................................................................................................. 5-1

OPERATING CURVES ................................................................................................................... 6-1

SOUND LEVEL CHARACTERISTICS ........................................................................................... 7-1

ELECTRICAL DATA....................................................................................................................... 8-1

WIRING DIAGRAMS ...................................................................................................................... 9-1

10.

REFRIGERATION DIAGRAMS ...................................................................................................... 10-3

11.

TUBING CONNECTIONS ............................................................................................................... 11-1

12.

CONTROL SYSTEM....................................................................................................................... 12-1

13.

TROUBLESHOOTING.................................................................................................................... 13-18

14.

EXPLODED VIEWS AND SPARE PART LISTS............................................................................ 13-28

Содержание GC 24 DCI

Страница 1: ...KXL DCI Series Indoor Units Outdoor Units KXL 24DCI GC 24 DCI KXL 30 DCI GC 30 DCI REFRIGERANT R410A HEATPUMP REV 0 March 2006...

Страница 2: ...NG CONDITIONS 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA 5 1 6 OPERATING CURVES 6 1 7 SOUND LEVEL CHARACTERISTICS 7 1 8 ELECTRICAL DATA 8 1 9 WIRING DIAGRAMS 9 1 10 REFRIGERATION DIAGRAMS 10 3 11...

Страница 3: ...wn to 15 C Supports Indoor Air Quality features such as Ionizer Active Electro Static Filter Indoor large diameter cross flow fan allowing low noise level operation Bended indoor coil with treated alu...

Страница 4: ...outdoor units are pre charged For further information please refer to the Product Data Sheet Chapter 2 DCI 24 DCI 30 Outdoor Unit Feature Feature DCI 24 30 Display 4 LED s Outdoor Fan Variable speed D...

Страница 5: ...40 840 230 Weight kg 36 Package dimensions WxHxD mm 1011 931 263 Packaged weight kg 40 Units per pallet units 6 INDOOR Stacking height units 6 levels Refrigerant control EEV Compressor type model Two...

Страница 6: ...Weight kg 48 Package dimensions WxHxD mm 1011 931 333 Packaged weight kg 54 Units per pallet units 5 INDOOR Stacking height units 5 levels Refrigerant control EEV Compressor type model Two Rotary Mit...

Страница 7: ...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 Indoor Outdoor Upper limit 32o C DB 23o C WB 46o C DB Cooling Lower limit...

Страница 8: ...OUTLINE DIMENTIONS Service Manual KXL DCI Revision 0 4 1 4 OUTLINE DIMENSIONS 4 1 Indoor unit KXL 24 DCI B 240mm KXL 30 DCI B 310mm...

Страница 9: ...OUTLINE DIMENTIONS Revision 0 Service Manual KXL DCI 4 2 Outdoor Unit 4 1 1 GC 24 30 DCI...

Страница 10: ...28 6 37 6 46 25 PI 1 81 1 85 1 89 1 93 1 97 TC 6 73 7 15 7 56 7 98 8 40 SC 5 86 5 95 6 04 6 13 6 22 30 PI 2 06 2 10 2 14 2 18 2 22 TC 6 36 6 78 7 20 7 62 8 04 SC 5 62 5 71 5 80 5 89 5 98 35 PI 2 31 2...

Страница 11: ...PERFORMANCE DATA 5 2 Revision 0 Service Manual KXL DCI Cooling Capacity Ratio Vs Outdoor Temperature 0 5 0 6 0 7 0 8 0 9 1 1 1 1 2 20 25 30 35 40 45 Outdoor Temperature deg C Capacity Ration...

Страница 12: ...C 5 68 5 16 4 63 7 8 PI 1 91 2 02 2 13 TC 6 12 5 59 5 07 1 2 PI 1 98 2 09 2 20 TC 6 41 5 88 5 36 2 1 PI 2 03 2 14 2 26 TC 8 52 8 00 7 48 7 6 PI 2 11 2 22 2 33 TC 8 97 8 44 7 92 10 9 PI 2 15 2 26 2 37...

Страница 13: ...door WB Temperature deg C Capacity Ration 5 1 5 Capacity Correction Factor Due to Tubing Length Cooling mode 0 86 0 88 0 9 0 92 0 94 0 96 0 98 1 1 02 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Tubing leng...

Страница 14: ...25 PI 2 00 2 05 2 09 2 14 2 18 TC 7 48 7 94 8 40 8 87 9 33 SC 6 16 6 25 6 35 6 45 6 54 30 PI 2 28 2 33 2 37 2 42 2 46 TC 7 07 7 54 8 00 8 46 8 93 SC 5 91 6 00 6 10 6 20 6 29 35 PI 2 56 2 60 2 65 2 70...

Страница 15: ...80 5 21 7 8 PI 2 23 2 36 2 49 TC 6 88 6 29 5 70 1 2 PI 2 32 2 45 2 58 TC 7 21 6 62 6 03 2 1 PI 2 38 2 51 2 64 TC 9 59 9 00 8 41 7 6 PI 2 47 2 60 2 73 TC 10 09 9 50 8 91 10 9 PI 2 52 2 65 2 78 TC 10 5...

Страница 16: ...to Tubing Length Cooling mode 0 86 0 88 0 9 0 92 0 94 0 96 0 98 1 1 02 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Tubing length m Capacity ratio Heating mode 0 84 0 86 0 88 0 9 0 92 0 94 0 96 0 98 1 1 02...

Страница 17: ...door DB Temperature Suction Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 4000 10 15 20 25 30 35 40 45 Outdoor DB Temperature Discharge Pres...

Страница 18: ...1100 1200 1300 15 10 5 0 5 10 15 Outdoor WB Temperature Suction Pressure kPa 15 20 25 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 15 10 5 0 5 10 15 Outdoor WB Temperature Discharge Pressure kPa...

Страница 19: ...tion Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 4000 4250 10 15 20 25 30 35 40 45 Outdoor DB Temperature Discharge Pressure kPa 22 15 24...

Страница 20: ...1100 1200 15 10 5 0 5 10 15 Outdoor WB Temperature Suction Pressure kPa 15 20 25 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 4000 15 10 5 0 5 10 15 Outdoor WB Temperature Discharge Pressure kPa...

Страница 21: ...NC15 NC20 NC25 NC30 NC35 NC40 NC45 NC50 NC55 NC60 NC65 0 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Octave Band Center Frequencies Hz Octave Band Sound Pressure Level dB re 20 mPa N...

Страница 22: ...ured as Figure 5 7 4 1 GC 24 30 DCI Cooling Heating Noise spectrum NC Curves NC15 NC20 NC25 NC30 NC35 NC40 NC45 NC50 NC55 NC60 NC65 0 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Octa...

Страница 23: ...220 240VAC 50HZ Connected to Indoor Circuit breaker rating 20A Starting Current b 15 A Power Supply Wiring no cross section 3X 2 5 mm Interconnecting cable no cross section 4X 2 5 mm Starting current...

Страница 24: ...Blue N 3 Brown C 5 Blue Brown E E V Y G Y G CTT OAT OCT OFAN 3 4 Black EARTH 3 4 Outdoor unit controller PCB Red P10 COM L N N COM P13 P9 P3 P11 U V W JP9 P12 EARTH Jumper 2 1 3 5 6 4 P4 P14 1 2 1 2 P...

Страница 25: ...REFRIGERATION DIAGRAMS 9 2 Revision 0 Service Manual KXL DCI 9 2 1 GC 24 30 DCI...

Страница 26: ...Service Manual KXL DCI 10 3 10 REFRIGERATION DIAGRAMS 10 1 Cooling mode 10 2 Heating mode EEV EEV...

Страница 27: ...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 Tube Wh...

Страница 28: ...to outdoor communication and is represented by a parameter called NLOAD NLOAD is an integer number with values between 0 and 127 and it represents the heat or cool load felt by the indoor unit 12 1 2...

Страница 29: ...ode limits Heating Mode limits OAT 6 No limit 6 OAT 15 MaxFreqAsOAT1H 15 OAT 28 MaxFreqAsOATC 28 OAT No limit MaxFreqAsOAT2H 12 1 3 2 Target Frequency Setting for DCI 72 80 The compressor Target Speed...

Страница 30: ...between Step3RPS 5 and Step3RPS After passing above Step3RPS this rule is re applied when passing below Step3RPS 5 12 1 6 Minimum On and Off Time 3 minutes 12 1 7 Indoor Fan Control 8 Indoor fan speed...

Страница 31: ...0 780 800 45 205 230 260 320 440 600 730 730 730 730 800 850 55 250 280 310 390 550 730 730 730 730 730 800 850 65 275 315 355 470 640 730 730 730 730 730 800 850 75 300 350 400 550 730 730 730 730 73...

Страница 32: ...on is not calculated After that the correction value is updated every 30 seconds z When the unit is in Cool mode the correction is defined as follow DerCTT 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 57 0 0 1 3 4 5...

Страница 33: ...0 0 0 0 0 1 3 3 1 3 3 3 3 3 3 3 2 0 0 0 0 0 0 1 6 4 4 4 3 3 3 3 3 2 0 0 0 0 0 0 0 9 7 5 4 4 3 3 3 3 2 0 0 0 0 0 0 0 CTT ICT 10 6 5 4 4 3 3 3 3 0 0 0 0 0 0 0 12 1 10 RV Reversing Valve Control Reversi...

Страница 34: ...erature reading except when in I Feel mode to compensate for temperature difference between high and low areas in the heated room and for coil heat radiation on room thermistor The temperature compens...

Страница 35: ...mpressor frequency is reduced by 2 to 5 Hz per minute HzDown2 D2 Compressor frequency is reduced by 5 to 10 Hz per minute Stop Compressor SC Compressor is stopped 12 7 1 Indoor Coil Defrost Protection...

Страница 36: ...24 30 DCI Delta HST HST 2 2 1 0 1 2 2 HST 81 SC SC SC SC SC 79 HST 81 D1 D1 D2 D2 D2 75 HST 79 SR SR D1 D2 D2 73 HST 75 SR SR SR D1 D1 71 HST 73 Norm Norm SR SR SR HST 71 Norm 12 7 5 System Over Power...

Страница 37: ...ring 400 seconds 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 firs...

Страница 38: ...in P1 P2 or P3 is connected to P4 0 Pin P1 P2 or P3 is not connected to P4 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...

Страница 39: ...inks for 300 msec to announce that a R C infrared signal has been received and stored 3 Blinks continuously during protections according to the relevant spec section TIMER INDICATOR Lights up during T...

Страница 40: ...ction occurs 12 11 Jumper Settings 12 11 1 Indoor Unit Controller 0 Open Jumper disconnect jumper 1 Close Jumper connect jumper Self test Jumper J1 OPERATION J1 SELF TEST 1 NORMAL 0 Compensation Jumpe...

Страница 41: ...8 J7 A B C D 0 0 0 1 1 0 1 1 J9 Presence Detector Power Shedding OPERATION J9 Presence Detector 0 Power Shedding 1 Jumper J10 OPERATION J10 WNG DCI LCD 0 LED 1 12 11 2 Outdoor Unit Controller 12 11 3...

Страница 42: ...continuously Mode Cool Set point 16 Room temperature 27 1 2 Outdoor temperature 35 2 1 Or Mode Heat Set point 30 Room temperature 20 1 Outdoor temperature 7 1 2 Manually when entering diagnostics wit...

Страница 43: ...1 61 67 NomLoadH 77 59 67 MaxNLOADIF1C 55 50 85 MaxNLOADIF2C 70 85 102 MaxNLOADIF3C 127 120 120 MaxNLOADIF4C 127 127 127 MaxNLOADIF5C 127 127 127 MinRTC 20 20 20 MaxNLOADRTC 127 127 127 MaxNLOADIF1H 1...

Страница 44: ...5 NormAcc sec RPS 1 NormDec sec RPS 1 Down1 Sec RPS 12 Down2 Sec RPS 7 DeiceAcc Sec RPS 0 2 DeiceDec Sec RPS 0 5 EEV Parameters Value NormEEVRate 30 EEVCompOFFOpen 200 EEVCompOFFTime 60 EEVMaxOpen 500...

Страница 45: ...heck power supply If power supply is OK check display and display wiring if OK replace controller 2 Unit does not respond to remote control message Remote control message not reached the indoor unit C...

Страница 46: ...ng mode cool instead of heat or heat instead of cool Electronics or power connection to RV Check RV power connections if OK Check RV operation with direct 230VAC power supply if OK Replace outdoor con...

Страница 47: ...will scroll between Indoor and Outdoor unit diagnostic modes by the acknowledgment of 3 short beeps and lighting of COOL and HEAT LED s During the Outdoor unit diagnostics all four Indoor LED s STBY O...

Страница 48: ...1 0 0 0 9 No Encoder 0 1 0 0 1 10 Reserved 0 1 0 1 0 11 Outdoor Unit Fault 0 1 0 1 1 Reserved 17 Defrost protection 1 0 0 0 1 18 Deicing Protection 1 0 0 1 0 19 Outdoor Unit Protection 1 0 0 1 1 20 In...

Страница 49: ...not EEPROM parameters No action unless special parameters are required for unit operation 7 Bad EEPROM No action unless special parameters are required for unit operation 8 Bad Communication Communica...

Страница 50: ...there is correct voltage between compressor terminals on the outdoor unit If no voltage replace main P C B If low voltage repair power supply If the voltage corrrect replace capacitor or compressor If...

Страница 51: ...Partial limited air supply at indoor indoor unit Lack of refrigerant will accompanied by whisteling noise cause ice formation on indoor unit coil in cooling mode Charge the unit after localizing leak...

Страница 52: ...UC is disconnected when enabled 0 1 0 0 1 10 TSUC is 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 unde...

Страница 53: ...ers are required for unit operation 4 DC under over Voltage Electronics HW problem Check outdoor unit power supply voltage 5 AC under Voltage Check outdoor unit power supply voltage 6 Indoor Outdoor u...

Страница 54: ...tem 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...

Страница 55: ...into the controller when power is on 13 6 2 Charged Capacitors Three large capacity electrolytic capacitors are used in the Outdoor unit controller Therefore charging voltage 380VDC remains after pow...

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