Service Manual DUO OU7 R410A
Contents
1. RATING CONDITIONS OUTLINE DIMENSIONS PERFORMANCE DATA AND PRESSURE CURVES CHARACTERISTICS SOUND LEVEL ELECTRICAL DATA u sca Harda akan s WIRING 85 22 224 ELECTRICAL CONNECTIONS REFRIGERATION DIAGRAMS TUBING CONNECTIONS CONTROL SYSTENMN TROUBLESHOOTING EXPLODED VIEWS AND SPARE PARTS LISTS APPENDIX Ais eae a Service Manual DUO Series Revision 05 02 TABLE OF CONTENTS LECTRA INTRODUCTION i INTRODUCTION 1 1 General The DUO multi split R410A outdoor unit series comprise the following ST cooling only and RC heat pump models Cooling Only OUT 9 9 ST OU7 9 12 ST OU7 12 12 ST Heat Pump OU7 9 9 RC OU7 9 12 RC OU7 12 12 RC 1 2 Main Features R410A refrigerant Built in Deicing Controller High COP Outdoor coil with hydrophilic louver fins for RC units Metal sheets protected by anti corrosion paint work allowing long life resistance Compressor mounted in a soundproofed compartment Easy installation and service 1 3 Tubing Connections2. 20 DB C 25 DB C Suction Pressure Bar g 0 5 222210 Outdoor Temp WB C Discharge Pressure VS Outdoor Temp Discharge Pressure Bar g 5 18 Revision Y05 02 Service Manual DUO Series CONTENT SLECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 9 DUO WNG 9 12 Room A Room B 5 9 1 Cooling Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB OU COIL C LEGEND SC PI WB DB ID OU Service Manual DUO Series 6 25 6 47 4 58 4 78 1 47 1 47 6 37 4 74 1 60 6 18 4 64 1 73 4 90 4 09 2 19 4 27 3 75 2 40 Total Cooling Capacity kW Sensible Capacity kW Power Input kW Wet Bulb Temp Dry Bulb Temp C Indoor Outdoor Revision 05 02 CONTENT 6 63 4 97 1 47 6 58 4 94 1 60 6 50 4 90 1 75 6 29 4 79 1 90 5 93 4 68 2 07 5 35 4 43 2 23 4 70 4 04 2 45 ENTERING AIR WB DB ID COIL C DATA 15 21 17 24 19 27 21 29 23 32 6 78 5 09 1 48 6 73 5 08 1 61 6 69 5 04 1 76 6 52 4 93 1 92 6 23 4 82 2 09 5 85 4 57 2 26 5 19 4 18 2 49 6 89 5 18 1 48 6 88 5 17 1 62 6 85 5 13 1 77 6 71 5 02 1 93 6 52 4 91 2 10 6 15 4 66 2 28 5 59 4 27 2 51 5 19 PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 9 2 5 20 Heating Mod
3. OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR B Hizi o OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR 2 2000 4000 8000 BAND CENTER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz Service Manual DUO Series Revision Y05 01 6 1 CONTENT LECTRA ELECTRICAL DATA v ELECTRICAL DATA 7 1 DUO 9 9 Power Supply 1 PH 220 240 VAC 50Hz Starting Current 9 9 18 7 18 7 A Power supply wiring No x cross section 3X2 5mm Interconnecting cable No x cross section 6 X 1 5 mm 7 2 DUO 9 12 7 3 DUO 12 12 Power Supply 1 PH 220 240 VAC 50Hz Starting Current 12 12 24 24 A Power supply wiring No x cross section 3 X 2 5 mm Interconnecting cable No x cross section NOTE Power wiring cord should comply with local laws and electrical regulations requirements Service Manual DUO Series Revision 05 02 7 1 CONTENT Al Ji WIRING DIAGRAMS 8 WIRING DIAGRAMS 8 1 DUO 9 9 9 12 LEGEND N LVI YELLOW GREEN 1 BROWN f BLACK i BLUE VIOLETTE WHITE 1 ORANGE 1 AMBIENT THERMSTOR He 1 1 1 1 4 1 1 EO A38 17067 FOR HEAT PUMP ONLY 804 COMP 1 CAPACITOR COMP 2 CAPACITOR FAN CAPACITOR TEMP SENSOR 1 TEMP SENSOR 2 FAN MOTOR RELAY OVERLOAD PROTE
4. 5 8 Revision 05 02 Service Manual DUO Series CONTENT LECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 4 4 5 4 5 Suction Pressure Bar g Discharge Pressure Bar g ALPHA 12 Cooling Suction Pressure VS Outdoor Temp ecn 21 15 DB WB 24 17 DB WB C 27 19 DB WB 29 21 DB WB C 32 23 DB WB C 25 30 35 Outdoor Temp DB C Discharge Pressure VS Outdoor Temp 21 15 DB WB C 24 17 DB WB C 27 19 DB WB C 29 21 DB WB C 32 23 DB WB 9 25 30 35 Outdoor Temp DB C Service Manual DUO Series Revision Y05 02 5 9 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 4 6 Heating Suction Pressure VS Outdoor Temp go 15 DB C 20 DB C 25 DB C Suction Pressure Bar g 0 5 10 Outdoor Temp WB C Discharge Pressure Bar g 5 10 Revision 05 02 Service Manual DUO Series CONTENT PERFORMANCE DATA amp PRESSURE CURVES 5 5 DUO ALPHA 12 12 Room A Room B 5 5 1 Cooling Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR ENTERING AIR WB DB ID COIL C DB OU COIL C 15 2
5. N 25 DB 20 DB C 15 DB C N N N o Discharge Pressure N A 0 5 10 Outdoor Temp WB C 5 14 Revision 05 02 Service Manual DUO Series CONTENT LECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 7 DUO WNG 9 9 Room A Room B 5 7 1 Cooling Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR ENTERING AIR WB DB ID COIL C DB OU COIL C 15 21 17 24 19 27 21 29 23 32 6 03 6 24 6 39 6 54 6 64 150 4 18 4 36 4 53 4 64 4 73 P 126 1 26 1 27 1 27 1 28 5 83 6 15 6 34 6 49 6 63 20 4 10 4 32 4 50 4 63 4 72 apina 1 37 1 38 1 39 1 39 5 52 5 96 6 27 6 45 6 61 3 99 4 24 4 47 4 60 4 68 PI 148 1 49 1 50 1 51 1 52 5 16 5 62 6 07 6 29 6 47 3 87 4 11 4 37 4 50 4 58 1 60 1 62 163 1 65 1 66 TC 4 78 519 572 601 6 29 3 68 3 94 4 27 4 39 4 48 P 172 175 178 179 1 80 TC 4 35 4 73 5 16 5 64 5 93 3 47 3 73 4 04 4 17 4 25 1 86 1 89 1 92 1 94 1 96 3 77 4 12 4 53 5 01 5 40 3 19 3 42 3 68 3 81 3 90 2 03 2 06 2 11 2 14 2 16 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW Power Input kW WB WetBulb Temp DB Dry Bulb Temp C ID Indoor OU Outdoor Service Manual DUO Series Revision Y05 02 5 15 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 7 2 5 16 Heating Mode at 7 5m
6. the above chart includes the weighted deicing infleuence LEGEND TH Total Heating Capacity kW Power Input kW WB WetBulb Temp C DB DryBulb C ID Indoor OU Outdoor Revision 05 02 Service Manual DUO Series CONTENT LECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 2 5 2 1 5 2 2 Suction Pressure Bar g Discharge Pressure Bar g Pressure Curves ALPHA 9 Cooling Suction Pressure VS Outdoor Temp aes 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 25 30 35 Outdoor Temp DB C Discharge Pressure VS Outdoor Temp 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 35 Outdoor Temp DB C Service Manual DUO Series Revision 05 02 5 3 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 2 3 Heating Suction Pressure VS Outdoor Temp 15 DB C 20 DB C 25 DB C Suction Pressure Bar g Outdoor Temp WB C Discharge Pressure VS Outdoor Temp 25 DB C 20 DB C 15 DB C Discharge 9 T T 5 4 Revision
7. 12 12 ST Outdoor Unit OU7 9 9 9 12 14 5 Revision Y05 02 Service Manual DUO Series CONTENT EXPLODED VIEWS AND SPARE PARTS LISTS E SLECTRA 14 6 Outdoor Unit OU7 0909 ST Drawing Item Code Item Description Quantity Number 1 SIDE GUARD OU7 24 R410 436358 OULEADINGHANDLE 1 1 439342 MOTORSUPPORTOU7 1 12 431112 JCOMPRESSOR GK113PAL 2 142 433940 CAPILLARY ASSY UNIT1 OU7 99 1 15U1 433941 CAPILLARY ASSY UNIT 2 OU7 9 1 15U2 402566 BOARDTPHN4A62 171 17 442007 CAPACITOR6mF 400VP1 P2 1 18 442012 CAPACITOR 30mF 400VP1 P2 2 2 435968 COMPRESSORWIRINIGOUDUO 2 21 437229 ELECTRICALBOXTPHN 1 24 NINI Al NI Al A 14 6 Revision 05 02 Service Manual DUO Series CONTENT SLECTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 7 Outdoor Unit OU7 0912 ST Drawing Item Code Item Description Quantity Number 433280 SIDE PANEL OU7 24R410A_ 1 2 436357 SMALLELECTRICALCOVEROU 1 3 439329 FRONT COVER CO OU7 35 90EL 1 4 437091 OU SQUARE FAN GUARD 1 5 439163 ASSY OU DUO 1 6 433839 COIL OU7 912 ST GR R410A 1 7 4529604 AXIAL D493 143 1 8 434062 MOTOR 86W 2S
8. 05 02 Service Manual DUO Series CONTENT PERFORMANCE DATA amp PRESSURE CURVES 5 3 DUO ALPHA 9 12 Room A Room B 5 3 1 Cooling Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB OU COIL C LEGEND 6 12 6 34 6 49 6 65 4 10 4 28 4 45 4 56 1 46 1 46 1 47 1 47 5 92 6 24 6 44 6 59 4 02 4 24 4 42 4 54 1 59 1 59 1 60 1 60 5 61 6 05 6 36 6 56 3 92 4 16 4 39 4 51 1 71 1 73 1 74 1 75 5 24 5 71 6 17 6 39 3 80 4 03 4 29 4 41 1 85 188 189 1 91 x 6 10 4 85 5 27 581 3 61 3 87 4 19 1 99 2 03 4 31 2 08 5 73 220002 4 41 4 81 5 24 3 40 3 66 3 96 4 09 2 15 2 18 2 22 2 25 3 83 4 19 4 60 5 09 3 13 3 36 3 61 3 74 2 35 2 38 2 44 2 47 Total Cooling Capacity kW SC Sensible Capacity kW Power Input kW WB WetBulb Temp C DB Dry Bulb Temp C ID Indoor OU Outdoor Service Manual DUO Series Revision Y05 02 CONTENT ENTERING AIR WB DB ID COIL C 15 21 17 24 19 27 21 29 23 32 6 75 4 64 1 48 6 74 4 63 1 61 6 72 4 59 1 76 6 58 4 50 1 92 6 39 4 40 2 09 6 03 4 17 2 27 5 48 3 82 2 50 5 5 PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 3 2 5 6 Heating Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB ID COIL C ENTERING AIR WB OU COIL C m P mH P di 356 167 342 1 78 3 56 1 67 3 42 1 78 7 3 29 3 56 3 7
9. DUO Series DUO Outdoor Models DUO OU7 9 9 DUO OU7 9 12 DUO OU7 12 12 x FP PP REFRIGERANT R410A HEAT PUMP COOLING ONLY FEBRUARY 2006 CONTENT LIST EFFECTIVE PAGES LECTRA LIST OF EFFECTIVE PAGES Note Changes the pages are indicated by Revision in the footer of each effected page when none indicates no changes in the relevant page All pages in the following list represent effected non effected pages divided by chapters Dates of issue for original and changed pages are Original 2005 Total number of pages this publication is 59 consisting of the following PING 2 VE HVAR 2 coss sedes cartes 1 12152 2 2 1 2 9 2 DoT 1 4 1 4 2 2 5 1 5 21 2 0 1 eise 2 ris ee 1 8 1 soe 1 en 1 1071 1 VI ase 2 1 pe 2 13 1 13 2 1 14 1 14 8 2 Appendix A 1 Zero in this column indicates an original page Due to constant improvements please note that the data on this service manual can be modified with out notice Photos are not contractual A Revision 05 02 Service Manual DUO Series CONTENT 10 11 12 13 14 15 Table of Contents 55 PRODUCT DATA
10. C DB 6 C WB 3 1 Operating Limits mer Upper limit 32 C DB 23 C WB 46 C DB Cooling 21 C DB 15 C WB 21 C DB Upper limit 27 DB 24 C DB 18 C WB Voltage Service Manual DUO Series Revision Y05 02 3 1 CONTENT SLECTRA OUTLINE DIMENSIONS 4 OUTLINE DIMENSIONS 4 1 Indoor Unit Alpha 9 ZM aan zi PUIDI WS eN ad UJ pum A 4 2 Indoor Unit Alpha 12 R UNIT DUTLIN J Z ND l gg Z 7 2 Service Manual DUO Series Revision Y05 02 4 1 CONTENT OUTLINE DIMENSIONS E SLECTRA 4 3 Indoor Unit WNG 9 12 E USED FOR LOCATION LLL NDOOR UNIT ON THE WALL fog VEUTING P Du INE E TS i i Z S a 222222722 Man 222222222722 py NL de SM N A AS UBING WA gt ENING FOR REAR ROUTING SA JTINC J N ka T i R gt E J B SE lt V J gt Qu 2 4 2 680 357 706 4 2
11. Flare type interconnecting tubing to be produced on site For further details please refer to APPENDIX A on this manual and to the relevant indoor service Manual 1 4 Inbox Documentation Each indoor unit is supplied with its own installation and operation manuals an additional instillation guide is provided in the DUO outdoor package 1 5 Matching Table INDOOR UNITS OUTDOOR UNITS REFRIGERANT eene ALPHA 9 ALPHA 12 u KAKAEXKX Series Manual DUO Series Revision 05 02 1 1 CONTENT LECTRA PRODUCT DATA SHEET 2 PRODUCT DATA SHEET 2 1 WNG 9 9 OU7 0909 Cooling Capacity 5 72 178 VIPh Hz 230 175010 77 Circuit Breaker Rating A Airflow m hr 450 380 330 Extemal Static Pressure Pa NA oO o Moisture Removal Lhe Condensate Drain Tube I D mm Dimensions mm Weight Kg Package Dimensions mm Units per Pallet K S mi C C s Stacking Height i Capillary tube Refrigerant Control Compressor Type Model Fan Type amp Quantity Fan Speeds H L RPM Airflow H L m hr Sound Power Level H L dB A Sound Pressure Level H L dB A 59 Dimensions WIH D mm 900 680 340 Weight ig Package Dimensions W H D mm 985 730 406 Packaged Weight kg 74 Units 6 Units per Pallet Stacking Height Units 7 Refrigerant Type 2 6 35 1 4 w N kW kW W W A A Refrigerant Charge S
12. the above chart includes the weighted deicing infleuence LEGEND TH Total Heating Capacity kW Power Input kW WB WetBulb Temp C DB DryBulb Temp C ID Indoor OU Outdoor Revision 05 02 Service Manual DUO Series CONTENT LECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 12 5 12 1 5 12 2 Suction Pressure Bar g Discharge Pressure Bar g Pressure Curves WNG 12 Cooling Suction Pressure VS Outdoor Temp j 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 25 30 35 Outdoor Temp DB C Discharge Pressure VS Outdoor Temp 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 __ E oe 25 30 35 Outdoor Temp DB C Service Manual DUO Series Revision Y05 02 5 27 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 12 3 Heating Suction Pressure VS Outdoor Temp 15 DB C 20 DB C 25 DB C Suction Pressure Bar g Outdoor Temp WB C Discharge Pressure VS Outdoor Temp 25 DB C 20 DB C 15 DB C Discharge Pressure Bar g Outdoor Temp WB C 5 28 Revision
13. 06 w 282 18 7 24 0 Aleen ___ 460 External Static Pressure Pa NA SemdPowrlewi em ew 5 7a Sound Pressure Level am dea 404 ss Condensate Drain Tube m Dimensions WHD mm 680 250 180 840 250 180 kg mm 230 1 50 10 N INDOOR Weight Package Dimensions W H D 900 310 250 740 310 250 Units per Pallet Stacking Height Refrigerant Control Capillary NENNEN Compressor Type Model YV 1 Fan Type amp Quantity Axial 1 Fan Speeds RPM 850 m m m Airflow m Sound Power Level m a 59 Dimensions Weight Ce oaz oOo Package Dimensions Packaged Weight Ce 6e o Units per Pallet wt Stacking Height Refrigerant Type LAT Refrigerant Charge STI RC outdoor o E Liquid Line m 2 6 35 1 4 Connections Suctiontine m 29 588 Between Units max Tubiglengh m w bel Sound Pressure Level 59 7 OUTDOOR 15 m m kg m A A m kg m kg gr m m W 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units and 14511 2 Airflow in ducted units at nominal external static pressure 3 Sound power ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit 2 4 Revision Y05 02 Service Manual DUO Series CONTENT BLEDTRA PRODUCT DATA SHEET Model Indoor
14. 0U7 24 1 9 433281 SIDE GUARD OU7 24R410 1 1 436358 OU LEADING HANDLE 1 1 439342 MOTORSUPPORTOU7 1 12 431111 COMPRESSOR GK151PAG 1 1401 431112 55 GK113PAL 1 14U2 433999 CAPILLARY ASSY OU7 912 STR 1 1501 433941 CAPILLARY ASSY UNIT 2 0 9 1 1502 402566 BOARD TPHN 4A6 2 1 17 442007 6mF 400 1 1 442012 CAPACITOR 30mF 400V P1 P2 1 20 442013 CAPACITOR 35mF 400VP1 P2_ 1 2 435968 COMPRESSORWIRINGOUDUO 2 21 437229 _ JELECTRICAL BOXTPHN 1 24 NI Af Af Af Af Af Af Af Al Af Af Sy Af my Af Al Af A Service Manual DUO Series Revision Y05 02 14 7 CONTENT EXPLODED VIEWS AND SPARE PARTS LISTS 14 8 Outdoor Unit OU7 1212 ST 14 8 Revision 05 02 CONTENT Service Manual DUO Series LECTRA APPENDIXA APPENDIX A INSTALLATION AND OPERATION MANUAL gt INSTALLATION INSTRUCTION gt ADDITIONAL PAGE FOR MULTI SPLIT UNITS INSTALLATION Service Manual DUO Series Revision Y05 02 15 1 CONTENT ADDITIONAL PAGE FOR MULTI SPLIT UNITS INSTALLATION Detail information is in installation manual of indoor unit the following content is special requirement of duo outdoor unit 1 Wiring Diagram 2 Outdoor unit OUTDOOR UNIT UNIT 2 UNIT 1 3 Electrical connections between Outdoor unit and two indoor units 1 To connect the indoor u
15. 450 635 44 49 28 35 330 450 49 56 35 43 3 3 810 190 285 11 11 5 945 395 655 3 3 wW N Capillary Rotary Axial 1 Fan Speeds Airflow Sound Power Level Sound Pressure Level Dimensions Weight Package Dimensions Packaged Weight Units per Pallet U 850 3100 66 8 m hr dB A dB A O 900 680 340 3 3 oa 985 730 406 A Q Units Stacking Height Refrigerant Type Refrigerant Charge ST RC outdoor Liquid Line Connections Suction Line Between Units Max Tubing Length Max Height Difference x z x 2 o Operation Control Type Heating Elements Others Units R410A 830 670 830 670 2 6 35 1 4 2 9 53 3 8 N g 5 5 LCD REMOTE CONTROL 2 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units and EN14511 2 Airflow in ducted units at nominal external static pressure 3 Sound power in ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit Revision 05 02 Service Manual DUO Series CONTENT LECTRA PRODUCT DATA SHEET 2 1 2 ALPHA 9 9 OU7 0909 Model Indoor Uni Model Outdoor Uri instalation Method Characteristics Units Blur 5 1 5 12 Power Input 1 73 1 74 CoP WW Power Supply VIPh Hz Rated Current A 7 6 7 7 Circuit Breaker Rating A
16. Dimensions 900 680 340 Weight Package Dimensions Packaged Weight Units per Pallet Stacking Height Refrigerant Type Refrigerant Charge 985 730 406 o R410A 8804880 Q TA Liquid Line Connections Suction Line Between Units Max Tubing Length Max Height Difference 2 6 35 1 4 2 9 53 3 8 Operation Control Type LCD REMOTE CONTROL Heating Elements Others dB A o 2 mm E mm Amow o Ht mm 30 309 Sound Powerlevel g 5 mm z kg 3 units 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units and EN14511 2 Airflow in ducted units at nominal external static pressure 3 Sound power in ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit 2 6 Revision Y05 02 Service Manual DUO Series CONTENT LECTRA PRODUCT DATA SHEET 2 2 Capacity amp Additional Charge Table 2 2 1 DUO 9 9 RC Additional Refrigerant Charge Lable as show on unit CAPACITY AND ADDITIONAL CHARGE FOR VARIOUS APPLICATIONS UNIT 1 UNIT 2 UNIT 1 INDOOR ALPHA 9 ALPHA 9 WNG 9 AME 20 AME 20 NXE 20 WAF 9 WAF 9 FLO 9 COOLING CAPACITY HEATING CAPACITY 17400 Btu h 5100W 19520 Btu h 5720W 17460 Btu h 5120W 18315 Btu h 5370W Up to 7 5m 7 5m 15m ADDITIONAL CHARGE gr For two units operating simultaneously
17. REFRIGERANT R410A Cat No 433943 01 2 2 2 DUO 9 9 ST Additional Refrigerant Charge Lable as show on unit CAPACITY AND ADDITIONAL CHARGE FOR VARIOUS APPLICATIONS UNIT 2 UNIT 1 ALPHA 9 WNG 9 WNG 9 INDOOR 17400 Btu h 5100W COOLING CAPACITY 7 5m 15m E lt 5 ac lt O For two units operating simultaneously REFRIGERANT R410A Cat No 433945 01 Service Manual DUO Series Revision Y05 02 2 7 CONTENT PRODUCT DATA SHEET BLECTRA 2 2 3 DUO 9 12 RC Additional Refrigerant Charge Lable as show on unit CAPACITY AND ADDITIONAL CHARGE FOR VARIOUS APPLICATIONS UNIT 1 UNIT 2 UNIT1 LUNI 2 ALPHA 12 ALPHA9 WNG 12 WNG 9 2 INDOOR ame 30 AME 20 NXE 30 NXE 20 gt Q R WAF 12 WAF9 FLO12 FLO9 COOLING CAPACITY HEATING CAPACITY Up to 7 5m 0 0 19815 Btu h 5810W 20230 Btu h 5930W 21020 Btu h 6160W 20910 Btu h 6130W o 100 100 ADDITIONAL CHARGE gr For two units operating simultaneously REFRIGERANT R410A Cat No 433944 01 2 2 4 DUO 9 712 ST Additional Refrigerant Charge Lable as show on unit CAPACITY AND ADDITIONAL CHARGE FOR VARIOUS APPLICATIONS UNIT1 UNIT2 UNIT1 UNIT 2 INDOOR ALPHA 12 9 WNG 12 WNG 9 30 20 30 20 WAF 12 WAF 9 FLO 12 FLO 9 19815 Btu h 5810W 20230 Btu h 5930W COOLING CAPACITY Up to 7
18. Revision 05 02 Service Manual DUO Series CONTENT LECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 PERFORMANCE DATA 5 1 DUO ALPHA 9 9 Room A Room 5 1 1 Cooling Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR ENTERING AIR WB DB ID COIL C DB OU COIL C 15 21 17 24 19 27 21 29 23 32 5 38 5 57 5 70 5 83 5 92 154 3 65 3 81 3 96 4 06 4 13 1 23 1 23 1 23 1 23 1 24 5 20 5 48 5 65 5 79 5 91 20 3 58 3 77 3 93 4 05 4 12 1 33 1 34 1 34 1 35 1 35 4 92 5 31 5 59 5 75 5 90 3 49 3 70 3 90 4 02 4 09 1 44 1 45 1 46 1 47 1 48 4 60 5 01 5 41 5 61 5 77 3 38 3 59 3 82 3 93 4 00 155 1 58 1 59 1 60 1 62 4 26 462 5 10 5 36 5 61 3 21 3 44 3 73 3 84 3 91 P 1 67 170 173 1 74 1 75 3 87 4 22 4 60 5 03 5 29 3 03 3 26 3 53 3 64 3 72 P tet 1 83 1 87 1 89 1 91 3 36 3 68 4 04 4 47 4 81 2 79 2 99 3 22 3 33 3 40 1 97 2 00 2 05 2 08 2 10 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW Power Input kW WB WetBulb Temp C DB Dry Bulb C ID Indoor OU Outdoor Service Manual DUO Series Revision 05 02 5 1 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 1 2 5 2 Heating Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB ID COIL C WB OU COIL C 248 159 2 87 451 358 161 343 H 2 69 1 59 163 512 174 494 5 43 5 89 6 20
19. 05 02 Service Manual DUO Series CONTENT LECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 13 Capacity Correction Factor Due to Tubing Length 5 13 1 DUO 9 9 9 12 5 13 2 Cooling Minimum recommended tubing length between indoor and outdoor units is 3m 5 13 3 Heating Minimum recommended tubing length between indoor and outdoor units is 3m Service Manual DUO Series Revision 05 02 5 29 CONTENT LECTRA SOUND LEVEL CHARACTERISTICS 6 SOUND LEVEL CHARACTERISTICS 6 1 Outdoor Units Microphone Fig 1 Microphone Distance from Unit 6 2 Sound Pressure Level Spectrum Measured as Figure 1 OU7 0909 0912 1212 RC ST Cooling 07 0909 0912 1212 RC ST Heating 90 I I T 90 80 70 60 T 50 i i PN RM i AJ 40 1 F 5 1 I T HNC 40 m EE 1 E 2 30 t 1 I 80 N 5 70 60 t INC 60 LULA 50 ESC 40 INC 40 Dd S NCc 30 20 APPROXIMATE 1 20 APPROXIMATE 1 THRESHOLD OF 3 FAN t EB 2 THRESHOLD I PNG i woe zh HEARING FOR L 47N i INC20 HEARING FOR i 1Nc20 CONTINUOUS CONTINUOUS i I it NOISE 1 I NOISE 1 aH i I 4 es 10 1 Sp 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000
20. 1 17 24 19 27 21 29 23 32 7 38 7 64 7 82 8 01 8 13 4 08 4 25 4 42 4 53 4 61 1 77 1 78 1 78 1 78 1 79 7 14 7 52 7 76 7 94 8 12 4 00 4 22 4 39 4 52 4 60 P 1 92 1 93 1 94 1 95 1 95 6 75 7 29 7 67 7 90 8 09 3 90 4 13 4 36 4 49 4 57 P 2 08 2 09 2 11 2 12 2 14 EH 6 32 6 88 7 43 7 69 7 92 3 77 4 01 4 26 4 39 4 47 2 24 228 2 30 2 31 2 34 5 85 6 35 7 00 7 35 7 70 SC 3 59 3 85 4 17 4 29 4 37 P 242 246 2 50 2 52 2 53 5 32 579 632 6 91 7 26 3 38 3 64 3 94 4 07 4 15 P 261 2 65 2 70 2 73 2 76 SC 4 61 5 04 5 55 6 13 6 60 3 12 3 34 3 59 3 72 3 80 2 85 2 89 2 96 3 00 3 04 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW Power Input kW WB WetBulb Temp DB DryBulb Temp C ID Indoor OU Outdoor Service Manual DUO Series Revision 05 02 5 11 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 5 2 5 12 Heating Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB ID COIL C ENTERING AIR WB OU COIL C m P m P M 385 200 370 243 3 85 2 00 3 70 2 13 3 85 3 56 SS 5 2 440 208 425 220 410 2 53 218 si 231 491 6 75 23 733 250 707 319 en 24 799 204 77 15 887 258 865 278 843 20 935 265 913 288 887 the above chart includes the weighted deicing infleuence LEGEND TH Total H
21. 5m ES cres 5 Z ac LO 7 5m 15m For two units operating simultaneously REFRIGERANT R410A Cat No 433946 01 2 8 Revision 05 02 Service Manual DUO Series CONTENT LECTRA PRODUCT DATA SHEET 2 2 5 DUO 12 12 RC Additional Refrigerant Charge Lable as show on unit CAPACITY AND ADDITIONAL CHARGE FOR VARIOUS APPLICATIONS UNIT 2 UNIT 1 UNIT 2 ALPHA 12 ALPHA 12 WNG 12 oe INDOOR NXE 30 30 gt 2 FLO 12 FLO 12 OV 23884 Btu h 7000W 23884 Btu h 7000W P COOLING CAPACITY HEATING CAPACITY 25000 Btu h 7330W 25000 Btu h 7330W Up to 7 5m 0 0 7 5m 15m 120 120 ADDITIONAL CHARGE gr two units operating simultaneously REFRIGERANT R410A Cat No 433994 01 2 2 6 DUO 12 12 ST Additional Refrigerant Charge Lable as show on unit CAPACITY AND ADDITIONAL CHARGE FOR VARIOUS APPLICATIONS INDOOR ALPHA 12 ALPHA 12 COOLING CAPACITY 23884 Btu h 7000W Up to 7 5m ADDITIONAL CHARGE gr 7 5m 15m two units operating simultaneously REFRIGERANT R410A Cat No 433995 01 Service Manual DUO Series Revision 05 02 2 9 CONTENT LECTRA RATING CONDITIONS 3 RATING CONDITIONS Standard conditions in accordance with ISO 5151 ISO 13253 for ducted units and EN 14511 Cooling Indoor 27 C DB 19 C WB Outdoor 35 C DB Heating Indoor 20 C DB Outdoor 7
22. 60 65 70 75 80 85 40 50 4 80 85 Valve Cap 13 20 13 20 18 25 18 25 40 50 11 13 Service Port Cap 11 13 11 13 11 13 11 13 11 13 Valve Protection 1 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 When the outdoor unit is installed above the indoor unit an oil trap is required every 5m along the suction line at the lowest point of the riser Incase the indoor unit is installed above the outdoor no trap is required R E e H F E Indoor RI Service Manual DUO Series Revision 05 02 11 1 CONTENT E ELECTRA CONTROL SYSTEM 12 CONTROL SYSTEM 12 1 General The control and logic system is managed by the indoor PCB controller with regards to all functions and protections excluding Deicing The DUO OU7 R410A is equipped with stand alone internal deicer integrated the outdoor PCB 4A 6 3 12 1 1 Deicing operation The outdoor coil temp is detected by 2 sensors outdoor temp the deicing procedure will be activated if one of the sensors is sensing a temp lt 6 C and will stop when the outdoor coil will reach to12 C or max 10 Min once the deicing protection is activated it will include both units at the same time Method of defrosting is by reversing the heat pump cycle to cooling mode stopping t
23. 9 4 54 I 5 94 690 206 671 220 653 7 08 7 45 SS a EE a Kup 6 634 195 616 209 x 10 145 20 the above chart includes the weighted deicing infleuence LEGEND TH Total Heating Capacity kW Power Input kW WB Wet Bulb Temp C DB Dry Bulb Temp C ID Indoor OU Outdoor Revision Y05 02 Service Manual DUO Series CONTENT LECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 4 Pressure Curves 5 4 1 ALPHA 9 5 4 2 Cooling Suction Pressure VS Outdoor Temp SSS 21 15 DB WB C 24 17 DB WB C 27 19 DB WB 29 21 DB WB C 32 23 DB WB C Suction Pressure Bar g 25 30 35 Outdoor Temp DB C Discharge Pressure VS Outdoor Temp 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 Bar g 25 30 35 Outdoor Temp DB C Service Manual DUO Series Revision 05 02 5 7 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 4 3 Heating Suction Pressure VS Outdoor Temp 15 DB C 20 DB C 25 DB C Suction Pressure Bar g 0 5 10 Outdoor Temp WB C Discharge Pressure Bar g
24. CTOR REVERCNG VALVE 1 REVERCING VALVE 2 OPTIONAL r CONNEC CABLE er aad TS end Loy i NOLLNILLV a 3438 1 REMOVE JUMPER FMR vin 804 00d TEMP UNIT ALPHA 6 POWER SUPPLY BY INSTALLER N 230V 50Hz 3X25 HDV LINN l ONY Wana NL CABLES BETWEEN INDOOR OUTDOOR UNIT 2 A FOR UNIT 1 6x15 NLF B FOR UNT 2 6x15 POWER 34563 SUPLLY INDOOR TO INDOOR UNIT 1 UNIT 2 8 2 DUO 12412 LEGEND 12 N N LVI YELLOW GREEN BROWN BLACK BLUE VIOLETTE E RANGE AMBIENT THERMISTOR COMP 1 CAPACITOR COMP 2 CAPACITOR CAPACITOR TEMP SENSOR 1 DEICER TEMP SENSOR 2 MOTOR RELAY OVERLOAD PROTECTOR REVERCING VALVE 1 2 REVERCING VALVE 2 OPTIONAL HIGH HEAT TEMP PROTECTION PUMP ONLY 1V3H 404 V0 166667 FOR HEAT CONNEC CABLE meneer 525 H Im REMOVE JUMPER FMR DEICER TEMP UNT ALPHA 6 Tt POWER SUPPLY BY INSTALLER 230V 50Hz gt rni Q lt si m m D n Q 26 Qo c ze A or X Fi Q Pz lt gt gt 20 lt CABLES BETWEEN INDO
25. ECTRA 5 10 3 Heating Suction Pressure VS Outdoor Temp A o 9 o 15 DB C 20 DB C 25 DB C Suction Pressure Bar g Discharge Pressure VS Outdoor Temp Discharge Pressure Bar g 5 22 Revision 05 02 Service Manual DUO Series CONTENT LECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 10 4 WNG 12 5 10 5 Cooling Suction Pressure VS Outdoor Temp IEEE 21 15 DB WB C 24 17 DB WB 27 19 DB WB 5 29 21 DB WB C 32 23 DB WB C Suction Pressure Bar g 25 30 35 Outdoor Temp DB C Discharge Pressure VS Outdoor Temp 21 15 DB WB C 24 17 DB WB 27 19 DB WB C 29 21 DB WB C 32 23 DB WB C Discharge Pressure Bar g 25 30 35 Outdoor Temp DB C Service Manual DUO Series Revision 05 02 5 23 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 10 6 Heating Suction Pressure VS Outdoor Temp 15 DB C 20 DB C 25 DB C Suction Pressure Bar g 25 DB C 20 DB C 15 DB C Discharge Pressure Bar g T T J T 5 24 Revision 05 02 Ser
26. Fan Type amp Quantity Airflow j External Static Pressure N A Sound Power Level dB Sound Pressure Level H M L dB A Moisture Removal L hr Capacity Condensate Drain Tube LD mm Dimensions W H D mm 680 250 180 Weight kg 7 Package Dimensions 740 310 250 Units per Pallet Units 36 Refrigerant Control Compressor Type Model Fan Type amp Quantity Fan Speeds Airflow 3100 Sound Power Level H L Dimensions W H D mm 900 680 340 Weight ig Package Dimensions W H D mm 985 730 406 Packaged Weight kg Units per Pallet Uis o o Stacking Height Units 2 Refrigerant Type Refrigerant Charge ST RC outdoor gr 750 750 730 730 Liquid Line In 2 6 35 1 4 i Suction Line In 2 9 53 3 8 Connections Between Units Tubing Length m Operation Control Type LC D REMOTE CONTROL Heating Elements KW Others x x a 1 Rating conditions accordance with ISO 5151 ISO 13253 for ducted units 14511 2 Airflow in ducted units at nominal external static pressure 3 Sound power ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit Service Manual DUO Series Revision Y05 02 2 3 CONTENT PRODUCT DATA SHEET L CTRA 2 1 3 ALPHA 9 12 OU7 0912 ALPHA 9512 007 0912 Coating Capacity Btu hr 19815 W 5 81 w IW A k k 2
27. OR AND OUTDOOR UNT M A FOR UNIT 1 6x15 NL FOR UNIT 2 6x15 kJ POWER 1 3 45 65 113 45 65 SUPLLY INDOOR TO INDOOR UNT 2 UNT 7 Service Manual DUO Series Revision Y05 02 8 1 CONTENT c SLECTRA ELECTRICAL CONNECTIONS 9 ELECTRICAL CONNECTIONS 9 1 DUO 9 9 9 12 12 12 OUTDOOR UNIT NL 13456 ur 6 6 6 wn 009000 00O NL 13456 134564 POWER SUPLLY INDOOR UNIT 1 INDOOR UNIT 2 Service Manual DUO Series Revision 05 02 9 1 CONTENT LECTRA REFRIGERATION DIAGRAMS 10 REFRIGERATION DIAGRAMS 10 1 DUO 9 9 9 12 12 12 10 1 1 Cooling Mode SERVICE PORT m SERVICE PORT INDOOR UNIT 1 INDOOR UNIT 2 ensso enssor 10 1 2 Heating Mode INDOOR UNIT 1 INDOOR UNIT 2 10 1 3 Cooling Only SERVICE SERVICE PORT PORT m INDOOR UNIT 1 INDOOR UNIT 2 Service Manual DUO Series Revision 05 02 10 1 CONTENT E ELECTRA TUBING CONNECTIONS 11 TUBING CONNECTIONS Outdoor C T Unit Suction line Vise Tube bending Liquid line A Flare nut D Pipe insulation Insulating sleeve D Indoor Unit K Flare Nuts 17 13 40 z 3 11 13
28. RA 14 2 Outdoor Unit OU7 0909 RC Item Description Quantity Number 437045 433280 SIDE PANEL OU7 24 R410A 436357 439329 O o Q 437091 SQUARE FAN GUARD 1 439163 433883 4529604 434062 MOTOR86W2S 0U724 1 1 433281 4 7 36358 OU LEADING HANDLE 439342 MOTOR SUPPORT OU7 431112 COMPRESSOR GK113PAL 4 1402 33889 33886 33885 02566 42007 34716 42012 35968 37229 42466 VALVE COIL L700 MOLEX SANHUA 15U2 16U1 16U2 1 1 1 33888 1501 33 14 2 Revision 05 02 Service Manual DUO Series CONTENT E SLECTRA EXPLODED VIEWS AND SPARE PARTS LISTS 14 3 Outdoor Unit OU7 0912 RC Drawing Item Code Item Description Quantity Number 1 433280 _ SIDE PANEL OU7 24 R410A 4 37229 ELECTRICAL BOX TPHN 442466 VALVE COIL L700 MOLEX SANHUA Q ININI NIN I gt Service Manual DUO Series Revision Y05 02 14 3 CONTENT EXPLODED VIEWS AND SPARE PARTS LISTS LECTRA 14 4 Outdoor Unit OU7 1212 RC 02566 31111 33280 33281 33752 33885 33886 33985 33988 33989 34211 34716 34717 36357 36358 37045 37091 37229 37279 38079 39329 39342 42007 42013 42466 TUBING ASSY UNIT 2 OU7 9 9 12 529604 THERMISTOR CAP WTH CONNECTOR L 7 11 20 24 33 1401 15U1 15U2 16U1 1602 19 14 4 Revision 05 02 Service Manual DUO Series CONTENT GEN 14 5 EXPLODED VIEWS AND SPARE PARTS LISTS
29. T RC outdoor Liquid Line Suction Line 2 9 53 3 8 In m 15 m 7 LC D REMOTE CONTROL Connections Between Units Max Tubing Length Max Height Difference x a z o Operation Control Type Heating Elements Others 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units and EN14511 2 Airflow in ducted units at nominal external static pressure 3 Sound power in ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit Service Manual DUO Series Revision 05 02 2 1 CONTENT PRODUCT DATA SHEET 2 1 1 WNG 9 12 OU7 0912 Model Indoor Unit Model Outdoor Unit WNG 9 12 OU7 0912 Installation Method Characteristics Capacity Power Input Power Supply Rated Current Starting Current V Ph Hz Wall Mounted Units Cooling Heating Btulhr KW KW Ww 230 1 50 gt 18 7 24 0 Circuit Breaker Rating Fan Type amp Quantity Airflow External Static Pressure H M L Min Max H M L H M L Sound Power Level Sound Pressure Level Moisture Removal Condensate Drain Tube 1 0 Dimensions Weight Package Dimensions Units per Pallet Stacking Height Refrigerant Control Compressor Type Model Fan Type amp Quantity 3 3 A Q gt 5 Crossflow 1 380 550 N A 46 53 31439 0 9 1 3 m hr Pa dB A dB A L hr
30. Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB ID COIL C ENTERING AIR EN m m m 282 13 2711 142 2 82 1 34 1 42 2 60 2 82 3 01 3 60 601 165 585 176 5 69 6 18 685 177 669 192 6 0 i 6 553 156 537 167 5 18 40 0 15 20 the above chart includes the weighted deicing infleuence LEGEND TH Total Heating Capacity kW Power Input kW WB WetBulb Temp C DB Dry Bulb Temp C ID Indoor OU Outdoor Revision Y05 02 Service Manual DUO Series CONTENT LECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 8 5 8 1 5 8 2 Suction Pressure Bar g Discharge Pressure Bar g Pressure Curves WNG 9 Cooling Suction Pressure VS Outdoor Temp 21 15 DB WB C 24 17 DB WB C 27 19 DB WB 29 21 DB WB C 32 23 DB WB C 25 30 35 Outdoor Temp DB C Discharge Pressure VS Outdoor Temp 21 15 DB WB C 24 17 DB WB C 27 19 DB WB 29 21 DB WB C 32 23 DB WB 9 25 30 35 Outdoor Temp DB C Service Manual DUO Series Revision Y05 02 5 17 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 8 3 Heating Suction Pressure VS Outdoor Temp A o
31. Unit Model Outdoor Unit 007 1212 Installation Method Wall Mounted Characteristics Cooling ity 23884 Q V D Q lt Energy Efficiency Class Power Supply Rated Current Starting Current Circuit Breaker Rating NIN WIN N wW 230 1 50 10 24 24 16 Fan Type amp Quantity Crossflow 1 Fan Speed H M L RPM Airflow H M L m hr External Static Pressure Min Max Sound Power Level H M L dB A 56 56 Sound Pressure Level H M L dB A 43 43 39 39 Moisture Removal L hr 1 3 1 3 Condensate Drain Tube 1 0 mm 16 Dimensions 810 190 285 Weight 11 5 11 5 Package Dimensions 945 395 655 Packaged Weight N A Units per Pallet Stacking Height U Q 5 6354635 5504550 N A 53 53 450 450 49 49 35 35 x 3 N A Refrigerant Control Compressor Type Model Fan Type amp Quantity Fan Speeds Airflow Sound Power Level Capillary Rotary Axial 1 a Sound Pressure Level Dimensions 900 680 340 Weight Package Dimensions Packaged Weight Units per Pallet Stacking Height Refrigerant Type Refrigerant Charge 3 A N 985 730 406 3 N 410 880 880 Q Liquid Line Connections Suction Line Between Units Max Tubing Length Max Height Difference 2 6 35 1 4 2 9 53 3 8 4 a z ow H mh _ 4 a Operation Control LCD REMOTE CONTROL Heating El
32. an clogged Outdoor fan blocked Remove obstructions Replace capacitor Replace motor Check for proper voltage switch off power and try again after one hour Replace compressor capacitor Replace compressor Check voltage repair wiring if necessary Check fan wheel if it is tight enough on motor shaft tighten if necessary Replace indoor fan motor Charge the unit after localizing leak Disasemble plastic drain tube from spout of indoor unit drain pan Water dripping from outdoor unit base Freeze up of outdoor coil in heating mode poor heating effect in room indoor fan operates 13 2 Water drain outlet is clogged Faulty outdoor thermistor Faulty control cable Outdoor unit air outlet is blocked Revision 05 02 Open outdoor unit cover clean out water outlet clean the base inside througly Replace thermistor Repair control cable Remove obstructions Service Manual DUO Series CONTENT EXPLODED VIEWS AND SPARE PARTS LISTS EXPLODED VIEWS AND SPARE PARTS LISTS Outdoor Unit OU7 9 9 9 12 14 14 1 12412 RC 7 14 1 Revision Y05 02 Service Manual DUO Series CONTENT EXPLODED VIEWS AND SPARE PARTS LISTS E SLECT
33. e at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB ID COIL C H 3 27 3 54 173 378 ERE EPE 1 76 1 80 1 83 1 93 2 09 2 22 2 32 2 44 354 158 341 1 70 197 592 ENTERING AIR wsovcorpo mo m 354 158 344 168 6 50 7 05 7 42 613 2 08 723 723 2 9 227 si 6 631 18 Tl 45 2 the above chart includes the weighted deicing infleuence LEGEND TH Total Heating Capacity kW Power Input kW WB Wet Bulb Temp C DB Dry Bulb Temp C ID Indoor OU Outdoor Revision Y05 02 Service Manual DUO Series CONTENT LECTRA PERFORMANCE DATA amp PRESSURE CURVES 5 10 5 10 1 5 10 2 Suction Pressure Bar g Discharge Pressure Bar g Pressure Curves WNG 9 Cooling Suction Pressure VS Outdoor Temp ammer 21 15 DB WB 24 17 DB WB C 27 19 DB WB c 29 21 DB WB C 32 23 DB WB C 25 30 35 Outdoor Temp DB C Discharge Pressure VS Outdoor Temp 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 25 30 35 Outdoor Temp DB C Service Manual DUO Series Revision Y05 02 5 21 CONTENT PERFORMANCE DATA amp PRESSURE CURVES L
34. eating Capacity kW Power Input kW WB WetBulb Temp DB DryBulb Temp C ID Indoor OU Outdoor Revision 05 02 Service Manual DUO Series CONTENT SLEcCTRA 5 6 5 6 1 5 6 2 Suction Pressure Bar g NNW O oO N Discharge Pressure Bar g N N o N Service Manual DUO Series PERFORMANCE DATA amp PRESSURE CURVES Pressure Curves ALPHA 12 Cooling Suction Pressure VS Outdoor Temp eae 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 25 30 35 Outdoor Temp DB C Discharge Pressure VS Outdoor Temp 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 rigs 2 x EK S 44 25 30 35 Outdoor Temp DB C Revision Y05 02 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 6 3 Heating Suction Pressure VS Outdoor Temp A 9 o N o e o 15 DB C 20 DB C 25 DB C gt Suction Pressure Bar g e o 5 Outdoor Temp WB C Discharge Pressure VS Outdoor Temp R o ar g B R Q O 55 wW
35. ements Others 1 Rating conditions in accordance with ISO 5151 and ISO 13253 for ducted units EN14511 2 Airflow in ducted units at nominal external static pressure 3 Sound power in ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit Service Manual DUO Series Revision 05 02 2 5 CONTENT PRODUCT DATA SHEET BLECTRA 2 1 5 ALPHA 12 12 07 1212 Model Indoor Unit ALPHA 12 12 Model Outdoor Unit OU7 1212 Installation Method Wall Mounted Characteristics Cooling 23884 Heating 25000 7 33 2 50 2 93 Capacity Power Input Energy Efficiency Class Power Supply Rated Current Starting Current Circuit Breaker Rating W x DIN V Ph Hz 230 1 50 10 24 24 gt gt gt Fan Type amp Quantity Crossflow 1 mhr Sound Power Level dB A Sound Pressure Level dB A Moisture Removal L hr 6004600 450 450 54 54 42 42 47 47 36 36 1 3 1 3 Condensate Drain Tube I D Dimensions W H D Weight Package Dimensions Packaged Weight Units per Pallet Stacking Height Refrigerant Control Compressor Type Model Fan Type amp Quantity Fan Speeds Airflow Sound Power Level 3 3 840 250 180 A Q 930 325 265 A Capillary Rotary Axial 1 o I F 4 Sound Pressure Level ip
36. he outdoor fan and keeping the comp running the unit will resume to its normal operation after the deicing procedure will be deactivated Min deicing time is 2 5 Min 12 1 2 Deicing interval At first start up deicing will not be activated for the first 45 Min and will go to STBY mode after every defrosting this timer will start a new cycle 12 1 3 Discharge Pressure Protection Heating Mode The PCB is equipped with two additional sensors for each refrigerant circuit measuring the refrigerant hot gas Temp in heating mode In case of a high discharge Temp in one of the sensors will be detected The PCB will set the outdoor fan to ON and OFF intervals in order to reduce the suction pressure And as a result the hot gas temp as well OFAN 70 C OFAN OFF 75 C 12 1 4 TYPHOON 4A 6 3 O F RELAY O F OUTPUT OCTSENSORS PROTECTION ENSOR OUTDOOR FAN CAPACITOR OUTPUTS TO COMPRESSO CAPACITORS d POWER SUPPLY GND CONNECTIONS N 230V 50Hz INTERCONNECTING TERMINALS NOTE For further information please refer to the relevant indoor unit service manual Service Manual DUO Series Revision Y05 02 12 1 CONTENT ELECTRA TROUBLESHOOTING 13 TROUBLESHOOTING ELECTRICAL amp CONTROL TROUBLESHOOTING ATTENTION check for broken or loose cable lugs first PROBABLE CAUSE CORRECTIVE ACTION The power supply There is no correct voltage If the voltage is lo
37. nit with the outdoor unit use the following electrical cables Multiple wire cable 6 wires x 1 5mm 2 at outdoor unit side Wire connector of the outdoor unit to the multiple wire power cables and insert into the terminal end connector in the outdoor unit Connect the yellow green ground wire power cables with the cable clamp Secure multiple wire power cable with the cable clamps Attention 1 For multi split units remove power supply cord from indoor unit Connect main supply to outdoor unit only 2 Do not remove resistors which are connected to points 8 9 from indoor
38. tween indoor and outdoor units The refrigeration Check for leaks or Repair refrigeration system and charge system does not restrictions with refrigerant if necessary function correctly ampmeter pressure guage or surface thermometer No cooling or heating Outdoor fan motor faulty or Replace P C B only indoor fan works other fault caused compresssor overload Outdoor fan blocked remove obstructions protection cut out Service Manual DUO Series Revision 05 02 13 1 CONTENT TROUBLESHOOTING ATTENTION check for broken or loose cable lugs first SYMPTON PROBABLE CAUSE CORRECTIVE ACTION Only indoor fan and compressor working Only indoor fan working No cooling or heating takes place indoor and outdoor fans working air supply at indoor unit compressor operates Partial limited air supply at indoor indoor unit Water accumulates and overflow from indoor unit section Run capacitor of outdoor fan motor faulty Windings of outdoor fan are shorted Overload safety device on compressor is cut out low voltage or high temperature Compressor run capacitor faulty Compressor windings are shorted Indoor fan motor is blocked or turns slowly indoor fan run capacitor faulty motor windings are shorted Lack of refrigerant will accompanied by whisteling noise cause ice formation on indoor unit coil in cooling mode Drain tube or spout of drain p
39. vice Manual DUO Series CONTENT SLEcCTRA 5 11 5 11 1 DUO WNG 12 12 Room A Room Cooling Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed PERFORMANCE DATA amp PRESSURE CURVES ENTERING AIR WB DB ID COIL C ENTERING AIR DATA 7 38 7 64 7 82 8 01 150 4 06 4 24 4 40 4 51 OPE 177 1 78 1 78 1 78 7 14 7 52 7 76 7 94 20 3 98 4 20 4 37 4 50 P 192 1 93 1 94 1 95 6 75 7 29 7 67 7 90 3 88 4 12 4 34 4 47 P 2 08 2 09 2 11 2 12 6 32 6 88 7 43 7 69 30 3 76 3 99 4 25 4 37 Pl 224 2 28 2 30 2 31 5 85 6 35 7 00 7 35 3 57 3 83 4 15 4 27 242 246 250 252 EE 5 32 5 79 6 32 6 91 3 37 3 62 3 92 4 05 2 61 2 65 2 70 2 73 TC 461 5 04 5 55 6 13 3 10 3 32 3 58 3 70 PI 2 85 2 89 2 96 3 00 LEGEND TC Total Cooling Capacity kW SC Sensible Capacity kW Power Input kW WB Wet Bulb Temp C DB Dry Bulb Temp C ID Indoor OU Outdoor Service Manual DUO Series Revision 05 02 5 25 CONTENT PERFORMANCE DATA amp PRESSURE CURVES LECTRA 5 11 2 5 26 Heating Mode at 7 5m Tubing Connection 230V Indoor Fan at High Speed ENTERING AIR DB ID COIL C H 1 96 3 56 2 06 3 85 2 10 3 85 184 370 4 10 535 200 513 213 491 ENTERING AIR Po m m hmm 385 194 uminom v 7 07 7 77 843 8 87 el 6 755 215 733 230 _ pue 2
40. w repair power supply indicator red led between the line and doesn t light up neutral terminals on main If there is no voltage repair general wiring P C B If there is correct voltage replace main or display P C B S 2 The operating The remote control Replace batteries of the remote control indicator green led batteries are discharged does not light up 3 The operating Check main P C B and Replace P C B if necessary indicator green led display P C B does not light up when from unit The indoor fan does Check the voltage between If there is voltage replace capacitor or not function correctly indoor fan terminals on the motor main P C B The outdoor fan does Check the voltage between If there is no voltage replace main P C B not function correctly indoor fan terminals on the main P C B There is voltage between Replace capacitor or motor outdoor fan terminals on the outdoor unit There is no voltage Check and repair electrical wiring between outdoor fan between indoor and outdoor units terminals on the outdoor unit The compressor does Check voltage on If no voltage replace main P C B not start up compressor terminals on the outdoor unit with If low voltage repair power supply ampmeter If the voltage corrrect replace capacitor or Check if there is correct compressor voltage between compressor terminals on If there is no voltage repair electrical wiring the outdoor unit be
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