Airwell DUO OU7-0909 Technical Manual
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Airwell DUO OU7-0909 Technical Manual

Duo n series, 9+9, 9+12
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Technical Manual
DUO N Series
DUO Outdoor Models
DUO OU7 (9+9)
DUO OU7 (9+12)
REFRIGERANT
HEAT PUMP
R410A
COOLING ONLY
TM DUO N A 0 GB
SEPTEMBER - 2005
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  • Page 1 Technical Manual DUO N Series DUO Outdoor Models DUO OU7 (9+9) DUO OU7 (9+12) REFRIGERANT HEAT PUMP R410A COOLING ONLY TM DUO N A 0 GB SEPTEMBER - 2005 Downloaded from www.Manualslib.com manuals search engine...
  • Page 2 LIST OF EFFECTIVE PAGES LIST OF EFFECTIVE PAGES Note: Changes in the pages are indicated by a “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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Table of Contents INTRODUCTION ....................1-1 PRODUCT DATA SHEET ..................2-1 RATING CONDITIONS ..................3-1 OUTLINE DIMENSIONS ..................4-1 PERFORMANCE DATA AND PRESSURE CURVES ..........5-1 CHARACTERISTICS SOUND LEVEL ..............6-1 ELECTRICAL DATA....................7-1 WIRING DIAGRAMS .....................8-1 ELECTRICAL CONNECTIONS ................9-1 10. REFRIGERATION DIAGRAMS ................10-1 11.

  • Page 4: Introduction

    INTRODUCTION INTRODUCTION General The DUO multi split R410A outdoor unit series, comprise the following ST (cooling only) and RC (heat pump) models: • Cooling Only OU7 (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 Main Features •...

  • Page 5: Product Data Sheet

    PRODUCT DATA SHEET PRODUCT DATA SHEET Model Indoor Unit WNG 9+9 Model Outdoor Unit OU7-0909 Installation Method Wall Mounted Characteristics Units Cooling Heating Btu/hr 19520 18315 Capacity 5.72 5.37 Power Input 1.79 Power Supply V/Ph/Hz 230/1/50+/-10% Rated Current Starting Current 37.4 Circuit Breaker Rating Fan Type &...
  • Page 6 PRODUCT DATA SHEET Model Indoor Unit WNG 9+12 Model Outdoor Unit OU7-0912 Installation Method Wall Mounted Characteristics Units Cooling Heating Btu/hr 20230 20910 Capacity 5.93 6.13 Power Input 2.07 1.97 2.86 Power Supply V/Ph/Hz 230/1/50 Rated Current Starting Current Circuit Breaker Rating Fan Type &...
  • Page 7 PRODUCT DATA SHEET Model Indoor Unit Alpha 9+9 Model Outdoor Unit OU7-0909 Installation Method Wall Mounted Characteristics Units Cooling Heating Btu/hr 17400 18425 Capacity Power Input 1.84 1.86 Power Supply V/Ph/Hz 230/1/50 Rated Current Starting Current 37.4 Circuit Breaker Rating Fan Type &...
  • Page 8 PRODUCT DATA SHEET Model Indoor Unit ALPHA 9+12 Model Outdoor Unit OU7-0912 Installation Method Wall Mounted Characteristics Units Cooling Heating Btu/hr 19815 21020 Capacity 5.81 6.16 Power Input 2.06 2.09 2.82 2.94 Power Supply V/Ph/Hz 230/1/50+/-10% Rated Current Starting Current Circuit Breaker Rating Fan Type &...

  • Page 9: Unit

    PRODUCT DATA SHEET Capacity & Additional Charge Table 2.1.1 DUO 9+9 RC Additional Refrigerant Charge Lable (as show on unit). 2.1.2 DUO 9+9 ST Additional Refrigerant Charge Lable (as show on unit). CAPACITY AND ADDITIONAL CHARGE FOR VARIOUS APPLICATIONS UNIT 1 UNIT 2 UNIT 1 UNIT 2...
  • Page 10 PRODUCT DATA SHEET 2.1.3 DUO 9+12 RC Additional Refrigerant Charge Lable (as show on unit). CAPACITY AND ADDITIONAL CHARGE FOR VARIOUS APPLICATIONS UNIT 1 UNIT 2 UNIT 1 UNIT 2 ALPHA 12 ALPHA 9 WNG 12 WNG 9 INDOOR WAF 12 WAF 9 FLO 12 FLO 9...

  • Page 11: Rating Conditions

    RATING CONDITIONS RATING CONDITIONS Standard conditions in accordance with ISO 5151, ISO 13253 (for ducted units) and EN 14511. Cooling: Indoor: C DB 19 C WB Outdoor: 35 C DB Heating: Indoor: C DB Outdoor: 7 C DB 6 C WB Operating Limits Indoor Outdoor...

  • Page 12: Outline Dimensions

    OUTLINE DIMENSIONS OUTLINE DIMENSIONS Indoor Unit: Alpha 9 Indoor Unit: Alpha 12 Service Manual - DUO Series Downloaded from www.Manualslib.com manuals search engine...
  • Page 13 OUTLINE DIMENSIONS Indoor Unit: WNG 9, 12 Outdoor Unit: DUO OU7 Service Manual - DUO Series Downloaded from www.Manualslib.com manuals search engine...
  • Page 14 PERFORMANCE DATA & PRESSURE CURVES PERFORMANCE DATA DUO ALPHA (9+9):Room A + Room B 5.1.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27...
  • Page 15 PERFORMANCE DATA & PRESSURE CURVES 5.1.2 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) 3.12 1.49 3.00 1.58 2.88 1.66 3.36 1.53 3.24 1.61...
  • Page 16 PERFORMANCE DATA & PRESSURE CURVES Pressure Curves. 5.2.1 ALPHA 9 5.2.2 Cooling. Suction Pressure VS.Outdoor Temp 12.0 11.5 21/15(DB/WB ºC) 11.0 24/17(DB/WB ºC) 10.5 27/19(DB/WB ºC) 10.0 29/21(DB/WB ºC) 32/23(DB/WB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 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)
  • Page 17 PERFORMANCE DATA & PRESSURE CURVES 5.2.3 Heating. Suction Pressure VS.Outdoor Temp 11.0 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Service Manual - DUO Series Downloaded from www.Manualslib.com...
  • Page 18 PERFORMANCE DATA & PRESSURE CURVES 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 WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27...
  • Page 19 PERFORMANCE DATA & PRESSURE CURVES 5.3.2 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) 3.56 1.67 3.42 1.78 3.29 1.87 3.83 1.71 3.69 1.81...
  • Page 20 PERFORMANCE DATA & PRESSURE CURVES Pressure Curves. 5.4.1 ALPHA 9 5.4.2 Cooling. Suction Pressure VS.Outdoor Temp 12.0 21/15(DB/WB ºC) 11.0 24/17(DB/WB ºC) 27/19(DB/WB ºC) 29/21(DB/WB ºC) 10.0 32/23(DB/WB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 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) Outdoor Temp.(DB...
  • Page 21 PERFORMANCE DATA & PRESSURE CURVES 5.4.3 Heating. Suction Pressure VS.Outdoor Temp 11.0 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Service Manual - DUO Series Downloaded from www.Manualslib.com...
  • Page 22 PERFORMANCE DATA & PRESSURE CURVES 5.4.4 ALPHA 12 5.4.5 Cooling. Suction Pressure VS.Outdoor Temp 12.0 21/15(DB/WB ºC) 11.0 24/17(DB/WB ºC) 27/19(DB/WB ºC) 29/21(DB/WB ºC) 10.0 32/23(DB/WB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 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) Outdoor Temp.(DB Service Manual - DUO Series...
  • Page 23 PERFORMANCE DATA & PRESSURE CURVES 5.4.6 Heating. Suction Pressure VS.Outdoor Temp 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-10 Service Manual - DUO Series Downloaded from...
  • Page 24 PERFORMANCE DATA & PRESSURE CURVES DUO WNG (9+9):Room A + Room B 5.5.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27...
  • Page 25 PERFORMANCE DATA & PRESSURE CURVES 5.5.2 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) 3.10 1.43 2.98 1.53 2.86 1.60 3.34 1.47 3.22 1.55...
  • Page 26 PERFORMANCE DATA & PRESSURE CURVES Pressure Curves. 5.6.1 WNG 9 5.6.2 Cooling. Suction Pressure VS.Outdoor Temp 12.0 21/15(DB/WB ºC) 11.0 24/17(DB/WB ºC) 27/19(DB/WB ºC) 29/21(DB/WB ºC) 10.0 32/23(DB/WB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 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) Outdoor Temp.(DB...
  • Page 27 PERFORMANCE DATA & PRESSURE CURVES 5.6.3 Heating. Suction Pressure VS.Outdoor Temp 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-14 Service Manual - DUO Series Downloaded from...
  • Page 28 PERFORMANCE DATA & PRESSURE CURVES DUO WNG (9+12): Room A + Room B 5.7.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27...
  • Page 29 PERFORMANCE DATA & PRESSURE CURVES 5.7.2 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) 3.54 1.58 3.41 1.68 3.27 1.76 3.81 1.62 3.67 1.70...
  • Page 30 PERFORMANCE DATA & PRESSURE CURVES Pressure Curves. 5.8.1 WNG 9 5.8.2 Cooling. Suction Pressure VS.Outdoor Temp 12.0 21/15(DB/WB ºC) 24/17(DB/WB ºC) 11.0 27/19(DB/WB ºC) 29/21(DB/WB ºC) 32/23(DB/WB ºC) 10.0 Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 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) Outdoor Temp.(DB...
  • Page 31 PERFORMANCE DATA & PRESSURE CURVES 5.8.3 Heating. Suction Pressure VS.Outdoor Temp 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-18 Service Manual - DUO Series Downloaded from...
  • Page 32 PERFORMANCE DATA & PRESSURE CURVES 5.8.4 WNG 12 5.8.5 Cooling. Suction Pressure VS.Outdoor Temp 11.0 21/15(DB/WB ºC) 24/17(DB/WB ºC) 10.0 27/19(DB/WB ºC) 29/21(DB/WB ºC) 32/23(DB/WB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 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) Outdoor Temp.(DB Service Manual - DUO Series...
  • Page 33 PERFORMANCE DATA & PRESSURE CURVES 5.8.6 Heating. Suction Pressure VS.Outdoor Temp 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-20 Service Manual - DUO Series Downloaded from...
  • Page 34 PERFORMANCE DATA & PRESSURE CURVES Capacity Correction Factor Due to Tubing Length 5.9.1 DUO (9+9),(9+12) 5.9.2 Cooling TOTAL TUBING LENGTH 7.5m 1.02 0.99 Minimum recommended tubing length between indoor and outdoor units is 3m. 5.9.3 Heating TOTAL TUBING LENGTH 7.5m 1.02 0.92 0.85...
  • Page 35 SOUND LEVEL CHARACTERISTICS SOUND LEVEL CHARACTERISTICS Outdoor Units Fig.1 Microphone Distance from Unit Sound Pressure Level Spectrum (Measured as Figure 1) OU7- 0909 RC/ST Cooling OU7-0909 RC/ST Heating NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR...

  • Page 36: Electrical Data

    ELECTRICAL DATA ELECTRICAL DATA DUO (9+9), (9+12) Power Supply 1 PH, 220-240 VAC, 50Hz Connected to Outdoor Starting Current - 9/12 37.4/43 Circuit breaker 16 A Power supply wiring - No. x cross section 3 X 2.5 mm Interconnecting cable - No. x cross section 6 X 1.5 mm + 2 X 0.5 mm (OCT Sensor)

  • Page 37: Wiring Diagrams

    WIRING DIAGRAMS WIRING DIAGRAMS DUO (9+9), (9+12) Service Manual - DUO Series Downloaded from www.Manualslib.com manuals search engine...

  • Page 38: Electrical Connections

    ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS DUO (9+9), (9+12) Service Manual - DUO Series Downloaded from www.Manualslib.com manuals search engine...

  • Page 39: Refrigeration Diagrams

    REFRIGERATION DIAGRAMS REFRIGERATION DIAGRAMS 10.1 DUO (9+9), (9+12) 10.1.1 Cooling Mode 10.1.2 Heating Mode 10.1.3 Cooling Only Service Manual - DUO Series 10-1 Downloaded from www.Manualslib.com manuals search engine...

  • Page 40: Tubing Connections

    TUBING CONNECTIONS TUBING CONNECTIONS TUBE (Inch) ¼” ⅜” ½” ⅝” ¾” TORQUE (Nm) Flare Nuts 11-13 40-45 60-65 70-75 80-85 Valve Cap 13-20 13-20 18-25 18-25 40-50 Service Port Cap 11-13 11-13 11-13 11-13 11-13 Valve Protection Cap-end Refrigerant Valve Port (use Allen wrench to open/close) Valve Protection Cap Refrigerant Valve Service Port Cap...

  • Page 41: Control System

    CONTROL SYSTEM CONTROL SYSTEM 12.1 General The control and logic system is managed by the indoor PCB controler with regards to all functions and protections excluding Deicing. The DUO OU7 R410A is equiped with stand -alone internal deicer integrated on the outdoor PCB (TYPHOON - 4A 6.2). 12.1.1 Deicing opration: The outdoor coil temp ‘...

  • Page 42: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING Service Manual - DUO Series 13-1 Downloaded from www.Manualslib.com manuals search engine...
  • Page 43 TROUBLESHOOTING 13-2 Service Manual - DUO Series Downloaded from www.Manualslib.com manuals search engine...
  • Page 44 78284 GUYANCOURT Cedex Tél. 33 1 39 44 78 00 Fax 33 1 39 44 11 55 www.airwell.com With a concern for a constant improvement, our products can be modified without notice. Photos non contractual. 1 bis,Avenue du 8 Mai 1945...

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