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TABLE OF CONTENTS

Service Manual - DUO Series

Table of Contents

1.

INTRODUCTION ...................................................................................................1-1

2. 

PRODUCT DATA SHEET ......................................................................................2-1

3. RATING 

CONDITIONS 

..........................................................................................3-1

4. OUTLINE 

DIMENSIONS 

.......................................................................................4-1

5. 

PERFORMANCE DATA AND PRESSURE CURVES  ..........................................5-1

6. CHARACTERISTICS 

SOUND 

LEVEL ..................................................................6-1

7. ELECTRICAL DATA..............................................................................................7-1

8. WIRING 

DIAGRAMS 

.............................................................................................8-1

9. ELECTRICAL 

CONNECTIONS 

.............................................................................9-1

10. REFRIGERATION 

DIAGRAMS 

.............................................................................10-1

11. TUBING 

CONNECTIONS 

......................................................................................11-1

12. CONTROL SYSTEM 

.............................................................................................12-1

13. TROUBLESHOOTING 

..........................................................................................13-1

REFRIGERANT R410A

ALPHA 9 ALPHA 12 WNG 9

WNG 12

AME 20

 AME 30

NXE 20 NXE 30

WAF 9

WAF 12

FLO 9

FLO 12

INDOOR

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Summary of Contents for NXE 20

Page 1: ...REFRIGERANT R410A HEAT PUMP COOLING ONLY TM DUO N A 0 GB SEPTEMBER 2005 DUO Outdoor Models DUO OU7 9 9 DUO OU7 9 12 Technical Manual DUO N Series Downloaded from www Manualslib com manuals search engine ...

Page 2: ...and changed pages are Original 0 5 March 2005 Total number of pages in this publication is 44 consisting of the following Page No Revision No Page No Revision No Page No Revision No Title 1 A 1 i 0 1 1 1 2 1 2 9 1 3 1 0 4 1 4 2 1 5 1 5 21 2 6 1 1 7 1 0 8 1 0 9 1 0 10 1 0 11 1 1 12 1 1 13 1 13 2 0 Zero in this column indicates an original page Due to constant improvements please note that the data ...

Page 3: ... CURVES 5 1 6 CHARACTERISTICS SOUND LEVEL 6 1 7 ELECTRICAL DATA 7 1 8 WIRING DIAGRAMS 8 1 9 ELECTRICAL CONNECTIONS 9 1 10 REFRIGERATION DIAGRAMS 10 1 11 TUBING CONNECTIONS 11 1 12 CONTROL SYSTEM 12 1 13 TROUBLESHOOTING 13 1 REFRIGERANT R410A ALPHA 9 ALPHA 12 WNG 9 WNG 12 AME 20 AME 30 NXE 20 NXE 30 WAF 9 WAF 12 FLO 9 FLO 12 INDOOR Downloaded from www Manualslib com manuals search engine ...

Page 4: ...g life resistance Compressor mounted in a soundproofed compartment Easy installation and service 1 3 Tubing Connections 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 inst...

Page 5: ...8 Refrigerant Control Capillary tube Compressor Type Model Rotary Fan Type Quantity Axial 1 Fan Speeds H L RPM 850 Airflow H L m 3 hr 1520 1100 Sound Power Level H L dB A 66 8 Sound Pressure Level 4 H L dB A 59 Dimensions W H D mm 900 680 340 Weight kg 72 Package Dimensions W H D mm 985 730 406 Packaged Weight kg 74 Units per Pallet Units 6 Stacking Height Units 2 Refrigerant Type R410A Refrigeran...

Page 6: ... Height Units 8 Refrigerant Control Capillary Compressor Type Model Rotary Fan Type Quantity Axial 1 Fan Speeds H L RPM 850 Airflow H L m 3 hr 1520 1100 Sound Power Level H L dB A 66 8 Sound Pressure Level 4 H L dB A 59 Dimensions W H D mm 900 680 340 Weight kg 74 Package Dimensions W H D mm 985 730 406 Packaged Weight kg 76 Units per Pallet Units 6 Stacking Height Units 2 Refrigerant Type R410A R...

Page 7: ...trol Capillary tube Compressor Type Model Rotary Fan Type Quantity Axial 1 Fan Speeds H L RPM 850 Airflow H L m 3 hr 1520 1100 Sound Power Level H L dB A 66 8 Sound Pressure Level 4 H L dB A 59 Dimensions W H D mm 900 680 340 Weight kg 72 Package Dimensions W H D mm 985 730 406 Packaged Weight kg 74 Units per Pallet Units 6 Stacking Height Units 2 Refrigerant Type R410A Refrigerant Charge ST RC ou...

Page 8: ...eight Units 9 Refrigerant Control Capillary Compressor Type Model Rotary Fan Type Quantity Axial 1 Fan Speeds H L RPM 850 Airflow H L m 3 hr 1520 1100 Sound Power Level H L dB A 66 8 Sound Pressure Level 4 H L dB A 59 Dimensions W H D mm 900 680 340 Weight kg 74 Package Dimensions W H D mm 985 730 406 Packaged Weight kg 76 Units per Pallet Units 6 Stacking Height Units 2 Refrigerant Type R410A Ref...

Page 9: ...ge Lable as show on unit CAPACITY AND ADDITIONAL CHARGE FOR VARIOUS APPLICATIONS UNIT 1 UNIT 2 UNIT 1 UNIT 2 ALPHA 9 ALPHA 9 WNG 9 WNG 9 AME 20 AME 20 NXE 20 NXE 20 INDOOR COOLING CAPACITY 17400 Btu h 5100W 19520 Btu h 5720W ADDITIONAL CHARGE gr 7 5m 15m For two units operating simultaneously REFRIGERANT R410A Cat No 433945 01 I38 I38 8 A 8 A Downloaded from www Manualslib com manuals search engin...

Page 10: ... Btu h 5930W HEATING CAPACITY 21020 Btu h 6160W 20910 Btu h 6130W Up to 7 5m 0 0 50 50 ADDITIONAL CHARGE gr 7 5m 15m 50 50 100 100 For two units operating simultaneously REFRIGERANT R410A Cat No 433 01 944 CAPACITY AND ADDITIONAL CHARGE FOR VARIOUS APPLICATIONS UNIT 1 UNIT 2 UNIT 1 UNIT 2 ALPHA 12 ALPHA 9 WNG 12 WNG 9 AME 30 AME 20 NXE 30 NXE 20 INDOOR COOLING CAPACITY 19815 Btu h 5810W 20230 Btu ...

Page 11: ... 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 Lower limit 21o C DB 15o C WB 21o C DB Heating Upper limit 27o C DB 24o C DB 18o C WB Lower limit 20o C DB 9o C DB 10o C WB Voltage 1PH 198 264 V 3PH 360 440 V Downloaded from www Manualslib com manuals search engine ...

Page 12: ...4 1 OUTLINE DIMENSIONS Service Manual DUO Series 4 OUTLINE DIMENSIONS 4 1 Indoor Unit Alpha 9 4 2 Indoor Unit Alpha 12 Downloaded from www Manualslib com manuals search engine ...

Page 13: ...4 2 OUTLINE DIMENSIONS Service Manual DUO Series 4 3 Indoor Unit WNG 9 12 4 2 Outdoor Unit DUO OU7 143 83 Downloaded from www Manualslib com manuals search engine ...

Page 14: ...43 1 43 1 44 25 TC 4 92 5 31 5 59 5 75 5 90 SC 3 49 3 70 3 90 4 02 4 09 PI 1 53 1 54 1 55 1 56 1 57 30 TC 4 60 5 01 5 41 5 61 5 77 SC 3 38 3 59 3 82 3 93 4 00 PI 1 65 1 68 1 69 1 70 1 72 35 TC 4 26 4 62 5 10 5 36 5 61 SC 3 21 3 44 3 73 3 84 3 91 PI 1 78 1 81 1 84 1 85 1 86 40 TC 3 87 4 22 4 60 5 03 5 29 SC 3 03 3 26 3 53 3 64 3 72 PI 1 92 1 95 1 98 2 01 2 03 46 TC 3 36 3 68 4 04 4 47 4 81 SC 2 79 ...

Page 15: ...3 36 1 53 3 24 1 61 3 12 1 70 2 3 56 1 54 3 45 1 64 3 33 1 73 2 4 34 1 62 4 16 1 72 3 98 1 82 6 5 56 1 74 5 40 1 86 5 21 1 98 10 6 05 1 84 5 89 1 96 5 72 2 10 15 6 53 1 92 6 37 2 06 6 21 2 19 20 6 89 1 97 6 72 2 14 6 53 2 31 the above chart includes the weighted deicing infleuence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor Do...

Page 16: ...0 25 30 35 40 46 Outdoor Temp DB o C Suction Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Downloaded from www Manualslib com manual...

Page 17: ...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 ºC 20 DB ºC 25 DB ºC Discharge Pressure VS Outdoor Temp 10 12 14 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 ºC 20 DB ºC 15 DB ºC Downloaded from www Manualslib com manuals search engine ...

Page 18: ... 61 25 TC 5 61 6 05 6 36 6 56 6 72 SC 3 92 4 16 4 39 4 51 4 59 PI 1 71 1 73 1 74 1 75 1 76 30 TC 5 24 5 71 6 17 6 39 6 58 SC 3 80 4 03 4 29 4 41 4 50 PI 1 85 1 88 1 89 1 91 1 92 35 TC 4 85 5 27 5 81 6 10 6 39 SC 3 61 3 87 4 19 4 31 4 40 PI 1 99 2 03 2 06 2 08 2 09 40 TC 4 41 4 81 5 24 5 73 6 03 SC 3 40 3 66 3 96 4 09 4 17 PI 2 15 2 18 2 22 2 25 2 27 46 TC 3 83 4 19 4 60 5 09 5 48 SC 3 13 3 36 3 61...

Page 19: ...3 83 1 71 3 69 1 81 3 56 1 91 2 4 07 1 73 3 93 1 84 3 79 1 94 2 4 95 1 82 4 74 1 93 4 54 2 05 6 6 34 1 95 6 16 2 09 5 94 2 22 10 6 90 2 06 6 71 2 20 6 53 2 36 15 7 45 2 15 7 27 2 32 7 08 2 47 20 7 85 2 22 7 67 2 40 7 45 2 59 the above chart includes the weighted deicing infleuence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor Do...

Page 20: ...6 Outdoor Temp DB o C Suction Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Downloaded from www Manualslib com manuals search engine...

Page 21: ...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 ºC 20 DB ºC 25 DB ºC Discharge Pressure VS Outdoor Temp 10 12 14 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 ºC 20 DB ºC 15 DB ºC Downloaded from www Manualslib com manuals search engine ...

Page 22: ...Temp DB o C Suction Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Downloaded from www Manualslib com manuals search engine ...

Page 23: ... 0 8 0 9 0 10 0 10 5 0 5 10 15 20 Outdoor Temp WB o C Suction Pressure Bar g 15 DB ºC 20 DB ºC 25 DB ºC Discharge Pressure VS Outdoor Temp 10 12 14 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 ºC 20 DB ºC 15 DB ºC Downloaded from www Manualslib com manuals search engine ...

Page 24: ...48 25 TC 5 52 5 96 6 27 6 45 6 61 SC 3 99 4 24 4 47 4 60 4 68 PI 1 58 1 59 1 60 1 61 1 62 30 TC 5 16 5 62 6 07 6 29 6 47 SC 3 87 4 11 4 37 4 50 4 58 PI 1 70 1 73 1 74 1 76 1 77 35 TC 4 78 5 19 5 72 6 01 6 29 SC 3 68 3 94 4 27 4 39 4 48 PI 1 84 1 87 1 90 1 91 1 93 40 TC 4 35 4 73 5 16 5 64 5 93 SC 3 47 3 73 4 04 4 17 4 25 PI 1 98 2 01 2 05 2 07 2 09 46 TC 3 77 4 12 4 53 5 01 5 40 SC 3 19 3 42 3 68 ...

Page 25: ...3 34 1 47 3 22 1 55 3 10 1 63 2 3 54 1 49 3 43 1 58 3 31 1 66 2 4 31 1 56 4 13 1 66 3 96 1 75 6 5 53 1 67 5 37 1 79 5 18 1 90 10 6 01 1 77 5 85 1 89 5 69 2 02 15 6 50 1 84 6 34 1 99 6 18 2 11 20 6 85 1 90 6 69 2 06 6 50 2 22 the above chart includes the weighted deicing infleuence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor Do...

Page 26: ... Outdoor Temp DB o C Suction Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Downloaded from www Manualslib com manuals search engine ...

Page 27: ...6 0 7 0 8 0 9 0 10 0 10 5 0 5 10 15 20 Outdoor Temp WB o C Suction Pressure Bar g 15 DB ºC 20 DB ºC 25 DB ºC Discharge Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 28 30 32 34 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB ºC 20 DB ºC 15 DB ºC Downloaded from www Manualslib com manuals search engine ...

Page 28: ... 62 25 TC 5 72 6 18 6 50 6 69 6 85 SC 4 38 4 64 4 90 5 04 5 13 PI 1 72 1 73 1 75 1 76 1 77 30 TC 5 35 5 83 6 29 6 52 6 71 SC 4 24 4 51 4 79 4 93 5 02 PI 1 86 1 88 1 90 1 92 1 93 35 TC 4 95 5 38 5 93 6 23 6 52 SC 4 03 4 32 4 68 4 82 4 91 PI 2 00 2 04 2 07 2 09 2 10 40 TC 4 50 4 90 5 35 5 85 6 15 SC 3 80 4 09 4 43 4 57 4 66 PI 2 16 2 19 2 23 2 26 2 28 46 TC 3 91 4 27 4 70 5 19 5 59 SC 3 50 3 75 4 04...

Page 29: ...3 81 1 62 3 67 1 70 3 54 1 80 2 4 05 1 64 3 91 1 73 3 78 1 83 2 4 92 1 71 4 72 1 82 4 52 1 93 6 6 31 1 84 6 13 1 97 5 92 2 09 10 6 87 1 94 6 68 2 08 6 50 2 22 15 7 42 2 03 7 23 2 19 7 05 2 32 20 7 82 2 09 7 63 2 27 7 42 2 44 the above chart includes the weighted deicing infleuence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor Do...

Page 30: ...utdoor Temp DB o C Suction Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Downloaded from www Manualslib com manuals search engine ...

Page 31: ... 6 0 7 0 8 0 9 0 10 0 10 5 0 5 10 15 20 Outdoor Temp WB o C Suction Pressure Bar g 15 DB ºC 20 DB ºC 25 DB ºC Discharge Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 28 30 32 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB ºC 20 DB ºC 15 DB ºC Downloaded from www Manualslib com manuals search engine ...

Page 32: ...p DB o C Suction Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Discharge Pressure VS Outdoor Temp 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 21 15 DB WB ºC 24 17 DB WB ºC 27 19 DB WB ºC 29 21 DB WB ºC 32 23 DB WB ºC Downloaded from www Manualslib com manuals search engine ...

Page 33: ...0 7 0 8 0 9 0 10 0 10 5 0 5 10 15 20 Outdoor Temp WB o C Suction Pressure Bar g 15 DB ºC 20 DB ºC 25 DB ºC Discharge Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 28 30 32 34 36 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB ºC 20 DB ºC 15 DB ºC Downloaded from www Manualslib com manuals search engine ...

Page 34: ...L TUBING LENGTH 3m 7 5m 10m 15m 20m 25m 30m 40m 50m 1 02 1 0 99 1 Minimum recommended tubing length between indoor and outdoor units is 3m 5 9 3 Heating TOTAL TUBING LENGTH 3m 7 5m 10m 15m 20m 25m 30m 40m 50m 1 02 1 0 92 0 85 Minimum recommended tubing length between indoor and outdoor units is 3m Downloaded from www Manualslib com manuals search engine ...

Page 35: ...ICRO BAR BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR Microphone Distance from Unit BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQU...

Page 36: ...tdoor Starting Current 9 12 37 4 43 Circuit breaker 16 A Power supply wiring No x cross section 3 X 2 5 mm2 Interconnecting cable No x cross section 6 X 1 5 mm2 2 X 0 5 mm2 OCT Sensor NOTE Power wiring cord should comply with local lows and electrical regulations requirements Downloaded from www Manualslib com manuals search engine ...

Page 37: ...8 1 WIRING DIAGRAMS Service Manual DUO Series 8 WIRING DIAGRAMS 8 1 DUO 9 9 9 12 Downloaded from www Manualslib com manuals search engine ...

Page 38: ...9 1 ELECTRICAL CONNECTIONS Service Manual DUO Series 9 ELECTRICAL CONNECTIONS 9 1 DUO 9 9 9 12 Downloaded from www Manualslib com manuals search engine ...

Page 39: ...EFRIGERATION DIAGRAMS Service Manual DUO Series 10 REFRIGERATION DIAGRAMS 10 1 DUO 9 9 9 12 10 1 1 Cooling Mode 10 1 2 Heating Mode 10 1 3 Cooling Only Downloaded from www Manualslib com manuals search engine ...

Page 40: ...p 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 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 Downloaded fr...

Page 41: ...t will include both units at the same time Method of defrosting is by reversing the heat pump cycle to cooling mode stopping the outdoor fan and keeping the comp runing the unit will resume to its normal operation after the deicing proceadure will be deactivated Min deicing time is 2 5 Min 12 1 2 Deicing intrval At first start up deicing will not be activated for the first 45 Min and will go to STBY...

Page 42: ...13 1 TROUBLESHOOTING Service Manual DUO Series 13 TROUBLESHOOTING Downloaded from www Manualslib com manuals search engine ...

Page 43: ...13 2 TROUBLESHOOTING Service Manual DUO Series Downloaded from www Manualslib com manuals search engine ...

Page 44: ...ontractual A C E Marketing FRANCE 1 bis Avenue du 8 Mai 1945 Saint Quentin en Yvelines 78284 GUYANCOURT Cedex Tél 33 1 39 44 78 00 Fax 33 1 39 44 11 55 www airwell com 1 bis Avenue du 8 Mai 1945 Saint Quentin en Yvelines 78284 GUYANCOURT Cedex Downloaded from www Manualslib com manuals search engine ...

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