Airwell FLO 7 N Technical Manual
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Airwell FLO 7 N Technical Manual

Flo n lcd series
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Technical Manual
REFRIGERANT
TM FLO-N A 0 GB
FLO N LCD Series
Indoor Units
FLO 7 N
FLO 9 N
FLO 12 N
FLO 14 N
FLO18 N
FLO 24 N
WNG 25
FLO 30 N
R410A
Outdoor Units
GC 7 N
ONG 7
GC 9 N
ONG 9
GC 12 N
ONG 12
GC 14 N
ONG 14
GC 18 N
—
GC 24 N
OU7-24
GC 24
—
GC 30 N
OU8 30/33
HEAT PUMP
08- 2005

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  • Page 1 Technical Manual FLO N LCD Series Indoor Units Outdoor Units FLO 7 N GC 7 N ONG 7 FLO 9 N GC 9 N ONG 9 FLO 12 N GC 12 N ONG 12 FLO 14 N GC 14 N...
  • 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 & PRESSURE CURVES ..........5-1 SOUND LEVEL CHARACTERISTICS ..............6-1 ELECTRICAL DATA ....................7-1 WIRING DIAGRAMS .....................8-1 ELECTRICAL CONNECTIONS ................9-1 10. REFRIGERATION DIAGRAMS ................10-1 11.

  • Page 5: Introduction

    INTRODUCTION INTRODUCTION General The new FLO N split wall mounted range comprise the RC (heatpump) models, as follows: Cooling Only WNG 7ST, WNG 9ST, WNG 12ST, WNG 14ST, • WNG 18ST, WNG 24ST WNG 30ST FLO 7 NRC, FLO 9 NRC, FLO12 NRC, FLO 14 NRC, Heat Pump •...

  • Page 6: Indoor Unit

    INTRODUCTION Indoor Unit The indoor unit is wall mounted, and can be easily fitted to many types of residential and commercials applications. It includes: Casing with air inlet and outlet grills. • A large-diameter tangential fan. • Bended coil with treated aluminum fins. •...
  • Page 7 INTRODUCTION Outdoor Unit All outdoor units are pre-charged. For further information please refer to the Product Data Sheet, Chapter 2. It includes : Axial fan. • Outdoor coil with hydrophilic louver fins for RC units. • Outlet air fan grill. •...
  • Page 8 INTRODUCTION 1.11 Matching Table 1.11.1 R410A INDOOR UNITS OUTDOOR UNITS REFRIGER. FLO7N FLO9N FLO12N FLO14N K9N K11N K15N SX9N SX12N SX15 MODEL ONG7 ST R410A √ ONG9 ST R410A √ √ √ ONG12 ST R410A √ √ √ ONG14 ST R410A √...

  • Page 9: Product Data Sheet

    PRODUCT DATA SHEET PRODUCT DATA SHEET R410A FLO 7 N Model Indoor Unit GC 7 N (ONG-7) Model Outdoor Unit Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 7610 7610 7760 Capacity 2.23 2.23 2.28 Power input 0.68...
  • Page 10 PRODUCT DATA SHEET FLO 9 N Model Indoor Unit GC 9 N(ONG-9) Model Outdoor Unit Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 9280 9280 10240 Capacity 2.72 2.72 Power input 0.825 0.825 0.850 EER (Cooling) or COP(Heating) 3.30 3.30 3.53...
  • Page 11 PRODUCT DATA SHEET FLO 12 N Model Indoor Unit GC 12 N (ONG-12) Model Outdoor Unit Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 12390 12390 13650 Capacity 3.63 3.63 Power input 1.115 1.115 1.14 EER (Cooling) or COP(Heating) 3.26 3.26 3.51...
  • Page 12 PRODUCT DATA SHEET FLO 14 N Model Indoor Unit GC14 N (ONG-14) Model Outdoor Unit Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 13650 13650 15290 Capacity 4.48 Power input 1.33 1.33 1.395 EER (Cooling) or COP(Heating) 3.01 3.01 3.21...
  • Page 13 PRODUCT DATA SHEET FLO 18 N Model Indoor Unit GC 18 N Model Outdoor Unit Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 18250 18250 18420 Capacity 5.35 5.35 5.40 Power input 1.66 1.66 1.56 EER (Cooling) or COP(Heating) 3.22 3.22 3.46...
  • Page 14 PRODUCT DATA SHEET FLO 24 N Model Indoor Unit GC 24 N (OU7-24) Model Outdoor Unit Installation method WALL MOUNTED Characteristics Units Cooling only Cooling Heating Btu/hr 23100 23100 24150 Capacity 6.77 6.77 7.08 Power input 2.24 2.24 3.02 3.02 3.01 Energy efficiency class Power supply...
  • Page 15 PRODUCT DATA SHEET FLO 24 N Model Indoor Unit GC 24 N T (OU7-24 T) Model Outdoor Unit Installation method WALL MOUNTED Characteristics Units Cooling only Cooling Heating Btu/hr 23220 23220 25130 Capacity 6.81 6.81 7.37 Power input 2.26 2.26 3.01 3.01 3.07...
  • Page 16 PRODUCT DATA SHEET FLO 30N Model Indoor Unit GC30N(OU830) Model Outdoor Unit Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 29550 29550 31800 Capacity 8.66 8.66 9.33 Power input 3.08 3.08 3.27 EER (Cooling) or COP(Heating) 2.81 2.81 2.85...
  • Page 17 PRODUCT DATA SHEET FLO 30N Model Indoor Unit GC30NT(OU830T) Model Outdoor Unit Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 29580 29580 31630 Capacity 8.67 8.67 9.27 Power input 3.09 3.09 3.25 EER (Cooling) or COP(Heating) 2.81 2.81 2.85...

  • Page 18: 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 3.1.1 R410A Indoor...

  • Page 19: Outline Dimensions

    OUTLINE DIMENSIONS OUTLINE DIMENSIONS FLO N 7 , 9 , 12, 14 FLO N 18/24 Revision 0...
  • Page 20 OUTLINE DIMENSIONS FLO N 30 ONG 7, 9, 12, 14 RC Revision 0...
  • Page 21 OUTLINE DIMENSIONS GCN 7, 9, 12, 14 RC AI R I N TAKE AI R O U TLET GC 18, 24 RC Revision 0...
  • Page 22 OUTLINE DIMENSIONS OU7-24 RC GC 30 N RC Revision 0...
  • Page 23 OUTLINE DIMENSIONS OU8-30 RC Revision 0...

  • Page 24: Performance Data & Pressure Curves

    PERFORMANCE DATA & PRESSURE CURVES PERFORMANCE DATA & PRESSURE CURVES FLO 7 N R410A 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)
  • Page 25 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) 1.20 0.54 1.15 0.57 1.11 0.60 1.29 0.55 1.24 0.58...
  • Page 26 PERFORMANCE DATA & PRESSURE CURVES Pressure Curves. 5.3.1 Cooling. Discharge Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Suction Pressure VS.Outdoor Temp 12.0 15/21(WB/DB ºC) 11.5 17/24(WB/DB ºC) 19/27(WB/DB ºC) 11.0 21/29(WB/DB ºC) 23/32(WB/DB ºC) 10.5 10.0...
  • Page 27 PERFORMANCE DATA & PRESSURE CURVES 5.3.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 12.0 11.0 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Revision 0...
  • Page 28 PERFORMANCE DATA & PRESSURE CURVES FLO9N R410A 5.4.1 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 21/29 23/32 2.87 2.97 3.04...
  • Page 29 PERFORMANCE DATA & PRESSURE CURVES 5.4.2 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) 1.58 0.68 1.52 0.72 1.46 0.76 1.70 0.70 1.64 0.74 1.58...
  • Page 30 PERFORMANCE DATA & PRESSURE CURVES Pressure Curves. 5.6.1 Cooling. Discharge Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Suction Pressure VS.Outdoor Temp 12.0 15/21(WB/DB ºC) 11.5 17/24(WB/DB ºC) 11.0 19/27(WB/DB ºC) 21/29(WB/DB ºC) 10.5 23/32(WB/DB ºC) 10.0...
  • Page 31 PERFORMANCE DATA & PRESSURE CURVES 5.6.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 12.0 11.0 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Revision 0...
  • Page 32 PERFORMANCE DATA & PRESSURE CURVES FLO12N R410A 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 21/29 23/32 3.83 3.96 4.06...
  • Page 33 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) 2.10 0.91 2.02 0.97 1.94 1.02 2.26 0.93 2.18 0.99 2.10...
  • Page 34 PERFORMANCE DATA & PRESSURE CURVES Pressure Curves. 5.9.1 Cooling. Discharge Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Suction Pressure VS.Outdoor Temp 12.0 15/21(WB/DB ºC) 11.5 17/24(WB/DB ºC) 19/27(WB/DB ºC) 11.0 21/29(WB/DB ºC) 10.5 23/32(WB/DB ºC) 10.0...
  • Page 35 PERFORMANCE DATA & PRESSURE CURVES 5.9.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 12.0 11.0 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB 5-12 Revision...
  • Page 36 PERFORMANCE DATA & PRESSURE CURVES FLO 14 N R410A 5.10 5.10.1 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 21/29 23/32...
  • Page 37 PERFORMANCE DATA & PRESSURE CURVES 5.10.2 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) 2.35 1.12 2.26 1.19 2.17 1.25 2.53 1.15 2.44 1.21 2.35...
  • Page 38 PERFORMANCE DATA & PRESSURE CURVES 5.12 Pressure Curves. 5.12.1 Cooling. Discharge Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Suction Pressure VS.Outdoor Temp 12.0 15/21(WB/DB ºC) 11.5 17/24(WB/DB ºC) 19/27(WB/DB ºC) 11.0 21/29(WB/DB ºC) 10.5 23/32(WB/DB ºC) 10.0...
  • Page 39 PERFORMANCE DATA & PRESSURE CURVES 5.12.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 12.0 11.0 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Revision 0 5-16...
  • Page 40 PERFORMANCE DATA & PRESSURE CURVES FLO 18 N R410A 5.13 5.13.1 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 21/29 23/32...
  • Page 41 PERFORMANCE DATA & PRESSURE CURVES 5.13.2 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) 2.84 1.25 2.73 1.33 2.62 1.40 3.05 1.28 2.94 1.35...
  • Page 42 PERFORMANCE DATA & PRESSURE CURVES 5.15 Pressure Curves. 5.15.1 Cooling. Suction Pressure VS.Outdoor Temp 12.0 15/21(WB/DB ºC) 11.5 17/24(WB/DB ºC) 11.0 19/27(WB/DB ºC) 10.5 21/29(WB/DB ºC) 23/32(WB/DB ºC) 10.0 Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB...
  • Page 43 PERFORMANCE DATA & PRESSURE CURVES 5.15.2 Heating. Suction Pressure VS.Outdoor Temp 12.0 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 Revision 0 5-20...
  • Page 44 PERFORMANCE DATA & PRESSURE CURVES FLO 24 N 1PH/3PH R410A 5.16 5.16.1 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 21/29...
  • Page 45 PERFORMANCE DATA & PRESSURE CURVES 5.16.2 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) 4.09 1.92 3.93 2.04 3.78 6.34 4.40 1.97 4.24 2.08...
  • Page 46 PERFORMANCE DATA & PRESSURE CURVES 5.18 Pressure Curves. 5.18.1 Cooling. Suction 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 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 Revision 0 5-23...
  • Page 47 PERFORMANCE DATA & PRESSURE CURVES 5.18.2 Heating. Suction Pressure VS.Outdoor Temp 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 Revision 0 5-24...
  • Page 48 PERFORMANCE DATA & PRESSURE CURVES FLO 30N 1PH R410A 5.19 5.19.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DATA ENTERING AIR WB/DB ID COIL ( °C) DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32...
  • Page 49 PERFORMANCE DATA & PRESSURE CURVES 5.19.2 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) 5.24 2.38 5.04 2.54 4.84 2.67 5.64 2.44 5.44 2.58 5.24...
  • Page 50 PERFORMANCE DATA & PRESSURE CURVES 5.21 Pressure Curves. 5.21.1 Cooling. Suction Pressure VS.Outdoor Temp 11.0 21/15(DB/WB ºC) 10.5 24/17(DB/WB ºC) 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) Outdoor Temp.(DB Revision 0...
  • Page 51 PERFORMANCE DATA & PRESSURE CURVES 5.21.2 Heating. Suction Pressure VS.Outdoor Temp 12.0 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 Revision 0 5-28...
  • Page 52 PERFORMANCE DATA & PRESSURE CURVES FLO 30N 3PH R410A 5.22 5.22.1 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 21/29 23/32...
  • Page 53 PERFORMANCE DATA & PRESSURE CURVES 5.24.2 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) 4.87 2.60 4.68 2.77 4.50 2.91 5.24 2.67 5.05 2.81 4.87...
  • Page 54 PERFORMANCE DATA & PRESSURE CURVES 5.26 Pressure Curves. 5.26.1 Cooling. Discharge Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Suction Pressure VS.Outdoor Temp 12.0 15/21(WB/DB ºC) 11.5 17/24(WB/DB ºC) 19/27(WB/DB ºC) 11.0 21/29(WB/DB ºC) 10.5 23/32(WB/DB ºC) 10.0...
  • Page 55 PERFORMANCE DATA & PRESSURE CURVES 5.26.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 12.0 11.0 10.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Revision 0 5-31...

  • Page 56: Sound Level Characteristics

    SOUND LEVEL CHARACTERISTICS SOUND LEVEL CHARACTERISTICS Sound Pressure Level Figure 1. Wall Mounted Figure 2. Floor Mounted 2. Floor Mounted Figure 3. Ducted Figure 4. Cassette Figure Figure re 4. Casset Soud Pressure Level Spectrum (Measured as Figure 1) pectrum (Measured m (Me FLO 7 FLO 9...
  • Page 57 SOUND LEVEL CHARACTERISTICS Outdoor units MODEL SPL dB(A) SPW dB(A) Indoor Outdoor Cooling/Heating Cooling/Heating FLO7 ONG-7 46/47 56/57 FLO9 ONG-9 48/49 58/60 FLO12 ONG-12 52/53 2/64 2/64 62/64 FLO14 ONG-14 53/54 63/64 63/64 Figure 5. Microphone Distance from Unit stance from Unit om Unit Sound Pressure Level Spectrum (Measured as Figure 5) pectrum (Measured a...

  • Page 58: Electrical Data

    ELECTRICAL DATA ELECTRICAL DATA Single and Three Phase Units FLO 7 N LCD FLO 9 N LCD FLO 12 N LCD FLO 14 N LCD MODEL To indoor To indoor To indoor To indoor Power Supply 1PH-230V-50Hz 1PH-230V-50Hz 1PH-230V-50Hz 1PH-230V-50Hz...

  • Page 59: Wiring Diagrams

    WIRING DIAGRAMS WIRING DIAGRAMS NOTE Wiring diagram lables as shown on units. Indoor Unit FLO 7,9,12,14 N LCD Revision 0...
  • Page 60 WIRING DIAGRAMS Indoor Unit FLO 18, 24 N LCD Revision 0...
  • Page 61 WIRING DIAGRAMS Indoor Unit FLO 30 N Revision 0...
  • Page 62 WIRING DIAGRAMS Outdoor Unit GC18 1PH R410A Outdoor Unit GC 24 1PH R410A Revision 0...
  • Page 63 WIRING DIAGRAMS Outdoor Unit ONG7 1PH R410A Revision 0...
  • Page 64 WIRING DIAGRAMS Outdoor Unit OU7-24/OU8-30 1PH R410A Revision 0...
  • Page 65 WIRING DIAGRAMS Outdoor Unit OU7-24/OU8-30 3PH R410A Outdoor Unit OU8-33 1PH R410A Revision 0...
  • Page 66 WIRING DIAGRAMS 8.10 Outdoor Unit OU8-33 3PH R410A Revision 0...

  • Page 67: Electrical Connections

    ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS FLO-N- 7/9/12/14/18/24 1PH FLO N - 24/30 1PH (power supply to outdoor unit) Revision 0...
  • Page 68 ELECTRICAL CONNECTIONS FLO - 30 N 3PH Revision 0...

  • Page 69: Refrigeration Diagrams

    REFRIGERATION DIAGRAMS REFRIGERATION DIAGRAMS 10.1 Heat Pump Models FLO-7-N 10.1.1 Revision 0 10-1...
  • Page 70 REFRIGERATION DIAGRAMS FLO 9/12/14 N R410A 10.1.2 Revision 0 10-2...

  • Page 71: Cooling Mode

    REFRIGERATION DIAGRAMS FLO-18-N R410A 10.1.3 OUTDOOR UNIT INDOOR UNIT Service Sensor port Sensor Flared Valves connection Reverse valve Capillary tube Capillary Indoor coil tube Strainer Check Strainer Outdoor coil valve COOLING MODE OUTDOOR UNIT INDOOR UNIT Service Sensor port Sensor Flared Valves connection...
  • Page 72 REFRIGERATION DIAGRAMS FLO-24-N R410A 10.1.4 Revision 0 10-4...
  • Page 73 REFRIGERATION DIAGRAMS FLO 30 N OU8-30 R410A 10.1.5 COOLING MODE OUTDOOR UNIT INDOOR UNIT HEATING MODE OUTDOOR UNIT INDOOR UNIT Revision 0 10-5...

  • Page 74: 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 75: Control System

    CONTROL SYSTEM CONTROL SYSTEM FLO 30 N 12.A 12A.1. Electronic Control 12A.1.1. Introduction The electronic control information is designed for service applications, and is common to the following groups of air-conditioners: • ST/ RC group - Cooling only / cooling and heating by heat pump. •...
  • Page 76 CONTROL SYSTEM 12A.2. Legend 12Α.2.1. Abbreviations - Alternate Current - Air-Conditioner - ON or OFF status CLOCK - ON/OFF Operation Input, (dry contact) COMP - Compressor - Central Processing Unit -Compensation Temperature Value ELUM - Extended Louver Upward Movement (Software Jumper) E²PROM, EEP - Erase Enable Programmable Read Only Memory - Heating Element...
  • Page 77 CONTROL SYSTEM 12A.3. Main PCB Controller FLO24/30 12Α.3.1. Display Board Display (LEXAN) Display PCB Ass’y OPR’ (STBY RED; ON: GREEN) FILTER LED OPR’ (STBY RED; ON: GREEN) RECIVER FILTER LED RECIVER LCD SCREEN TIMER LCD SCREEN TIMER FRESH, ION / ESF FRESH, ION / ESF Revision 0 12a-3...
  • Page 78 CONTROL SYSTEM 12Α.3.2. List of A/C Models The model is divided by IFAN speed of PG motor. Model Type IFAN Speed Low : 900 rpm Medial : 1050 rpm FLO 30 N Wall Mounted High : 1300 rpm Strong : 1350 rpm Low : 750 rpm Medial : 900 rpm...
  • Page 79 CONTROL SYSTEM 12Α.3.3. List of A/C Groups The following table defines the different A/C groups, and the applicable operation modes for each group. Operating Mode Cool Heat Auto Cool/Heat Notes: 1. Electric heaters do the heating. 2. Heating is done by Compressor (Heat Pump), and by electric heaters. 12A.4.
  • Page 80 CONTROL SYSTEM 12Α.4.2. IFAN operation • Min time interval between IFAN speed changes in AUTOFAN Mode is 30 sec. • Max time interval between IFAN speed changes in H/M/L Mode is 60 sec. • Strong IFAN speed is only used in cool and heat mode and is controlled by R/C. Strong IFAN cannot be remembered by EEPROM.
  • Page 81 CONTROL SYSTEM 12Α.4.4. HE operation • Minimum Heaters ON or OFF time is 30 sec. • Heaters can never be in operation while IFAN is OFF. • In RH group, HE-1 will be activated only when COMP is not operating except in Dry Mode.
  • Page 82 CONTROL SYSTEM 12Α.1.7. RV Fault (comp units only) This test is performed every time the unit is switched from OFF/STBY to OPER in Heat mode or changes operation mode from COOL/DRY to HEAT (this applies also in AUTO COOL/HEAT mode). If ICT is lower than 35 C at the time of mode change, then at the first occurrence of 15 min continuous COMP operation, ICT is compared with ICT...
  • Page 83 CONTROL SYSTEM 12A.5. Cooling Mode 12Α.5.1. Cooling Mode – General • Room Temperature, RT, is detected by a) RAT in normal operation, or b) RCT (R/C sensor) in I-FEEL mode. • Indoor Coil Temp is detected by ICT (RT2). • Outdoor Coil Temp is detected by OCT (RT3).
  • Page 84 CONTROL SYSTEM 12Α.5.3. Sequence Diagrams • Maintaining room temp at desired level by comparing RT and SPT with user defined IFAN speed. (RT - SPT) [ COMP (WVL) OFAN USER FAN SPEED IFAN Note: 1) IFAN is always running at High, Medium, Low or Strong speed selected by user. 2) In IFEEL mode, the Room Temperature (RT) is the RCT from a R/C.
  • Page 85 CONTROL SYSTEM • Maintaining room temp at desired level by comparing RT and SPT with AUTO-IFAN. (RT - SPT) [ COMP (WVL) OFAN IFAN Revision 0 12a-11...
  • Page 86 CONTROL SYSTEM 12A.6. Heating Mode 112Α.6.1. Heating Mode - General • Compensation Procedure: The compensation procedure comes to solve the problem of the temperature distribution by height during heat mode according to this procedure. • When I feel is OFF during heat mode: RT= RAT – CTV. When I feel is ON during heat mode: RT= RCT.
  • Page 87 CONTROL SYSTEM 12Α.6.2 IFAN operation rules for RC and SH. • As a general rule for RC and SH groups, IFAN will be switched ON according to the following graph: IFAN COMP ON Ducted General: Window: Note 1: When ICT is faulty: When the compressor switches from off to on (excluding deicing), IFAN will be on in ANY speed.
  • Page 88 CONTROL SYSTEM 12Α.6.3. Heaters operation rules for RC and SH groups • For both RC and SH groups, Heaters versus ΔT is as the following: T=SP-RT [ • Operation rules for Heaters in RC group: a. Heaters can be enabled only if IFAN is ON,.i.e IFAN is in higher precedence than the Heaters.
  • Page 89 CONTROL SYSTEM 12Α.6.4. OFAN Operation for RC and SH • As a general rule for RC and SH groups, excluding protection modes, OFAN starts with the compressor. • When OFAN is then ON it will operate according to the following conditions: a) OFAN operates together with the compressor.
  • Page 90 CONTROL SYSTEM 112Α.6.5. Heating, RC or SH Group Mode: Heat, Auto (at heating) Temp: Selected desired temperature Fan: STRONG, HIGH, MED, LOW Timer: I Feel: On or Off Sequence Diagram Maintains room temp. at desired level by comparing RAT or RCT to SPT. (RT - SPT) [ COMP (WVL)
  • Page 91 CONTROL SYSTEM 12Α.6.6. Heating, RC or SH Group with Auto fan Mode: Heat, Auto (at heating) Temp: Selected desired temperature Fan: Auto Timer: I Feel: On or Off Sequence Diagram Maintains room temp at desired level by controlling COMP, IFAN and OFAN. (RT - SPT) [ COMP (WVL)
  • Page 92 CONTROL SYSTEM 12A.7. Automatic Cooling or Heating 12Α.7.1. Automatic Cooling or Heating - General • Mode Definition Mode: Auto Temp: Selected desired temperature Fan: Any (except STRONG) Timer: I Feel: On or Off • Switching-temperature between Cooling and Heating is SPT ± 3 •...
  • Page 93 CONTROL SYSTEM 12Α.7.2. Sequence Diagrams • Auto Cooling or Heating, RC or SH Groups Maintains room temp at desired level by selecting between cooling and heating modes. (RT - SPT) [ Auto Heat Mode Auto Cool Mode Auto Heat Mode >...
  • Page 94 CONTROL SYSTEM 12A.8. Dry Mode • Dry, ST or RC group with any group settings Mode: Dry Temp: Selected desired temp Fan: Timer: Any I FEEL: Control function Reduce room humidity with minimum temp ’fluctuations by operating in Cool Mode with low speed IFAN.
  • Page 95 CONTROL SYSTEM 12A.9. Protection • Cooling Mode Protections Indoor: Coil Defrost Mode: Cooling, Dry, Auto Temp: Selected desired temp. Fan: Timer: I Feel: On or Off Function: Protect the indoor coil from ice formation at low ambient temperature ICT [ OFAN COMP IFAN...
  • Page 96 CONTROL SYSTEM 12Α.9.1. High Pressure Protection Mode: (Auto) Cooling or Dry Temp: Selected desired temp. Fan: Timer: Any I Feel: On or Off Function: To protect the COMP from the high-pressure built-up in the outdoor coil during normal cooling operation, by changing the IFAN speed and switching OFF COMP. OCT [ COMP COMP is forced OFF...
  • Page 97 CONTROL SYSTEM 12Α.9.2. Heating Mode Protections • Outdoor coil Deicing (excluding RH Group) Mode: Heating, Auto (at heating) Temp: Selected desired Temp Fan: Timer: I FEEL: Function: Protects the Outdoor coil from ice formation by controlling COMP & RV operation. Scope This new deicer is designed to operate at extreme temp conditions.
  • Page 98 CONTROL SYSTEM • Deicing procedure OCT [ (DDT) 3 min 3 min max 12 min. COMP DI (note 1) DI (note 2) OFAN IFAN is forced to Low Speed IFAN HEs are forced ON IFAN Note 3 HEs are forced OFF OPER BLINK Notes:...
  • Page 99 CONTROL SYSTEM 12Α.9.3. High pressure protection (excluding RH Group) Mode: (Auto) Heating Fan: Timer: Any I Feel: On or Off Control Function Protect the Compressor from high pressure by switching OFF the OFAN and COMP. ICT [ COMP COMP is forced OFF OFAN is force OFAN OPER...
  • Page 100 CONTROL SYSTEM 12A.10. Timer Mode: Temp. Selected desired temp Fan: Timer: Timer On, Timer Off I Feel: On or Off Function: • Starts or stops the unit operation after pre-set time. If RC-1 is used, the timer setting will be (0.5 - 24 Hr) from the moment the timer is set.
  • Page 101 CONTROL SYSTEM 12A.11 Horizontal swing – Horizontal louvers • When the power is ON, the Horizontal Louver will reset to left of A/C (0˚) and then stop. • When the R/C signal of ON/OFF is received, the Horizontal louver will run to last position. •...
  • Page 102 CONTROL SYSTEM 12A.12. Forced operation Forced operation allows units to start, stop and operate in Cooling or Heating in pre- set temperature according to the following table: Forced operation mode Pre-set Temp Cooling 22°C Heating 28°C Note: • While under the forced operation, the temperature compensation schedule is disabled.
  • Page 103 CONTROL SYSTEM 12A.13. Sleep Mode: Temp: Set – desired temperature selected Fan: Timer: Interact with Sleep Timer as described in sect 12.2 I Feel: On or Off • The Sleep mode is activated by using the sleep button on the R/C. In Sleep Mode, the unit will automatically adjust the SPT to turn up/down the room temperature (RT) gradually to provide maximum comfort to the user in sleep.
  • Page 104 CONTROL SYSTEM 12Α.13.2. Time adjustment in Sleep Mode • In 10V4, the user can make use of the Off-Timer to extend the Sleep Time from 7 hours to 12 hour (max). The operation of the new “Extended Sleep Mode” is illustrated by the graphs below.
  • Page 105 CONTROL SYSTEM 12A.14. Clogged Air filter • Filter LED ON after 512 HR • Filter LED is turned OFF, and the Filter Timer is restarted by pressing the reset button. 12A.15. Ionizer Ionizer output logic Models: All Operation mode: All •...
  • Page 106 CONTROL SYSTEM 12A.17. Controller Self-Test Procedure 12Α.17.1. By Shorting Test Jumper J1 SELF-TEST FLOW CHART FOR CONTROLLER (VERSION 4V5 OR HIGHER) SHORT JUMPER Step 1 RC/ST TEST (CONTROL PCB) MODEL CONFIGURATION TEST PRESS ON Step 2 POWER STEP MOTOR TEST BUTTON FREQUENCY TEST...
  • Page 107 CONTROL SYSTEM 12Α.17.2. By Remote Control Settings: 1: TURNING ON THE POWER. Turn ON the power, make sure that the unit is in operation. STEP 2 : ENABLE SELF-TEST MODE • Use the remote control to send the first settings to display / indoor unit HEAT mode, HIGH IFAN, set temperature to 16 ºC, no I-FEEL Sleep or any other timer settings are needed.
  • Page 108 CONTROL SYSTEM STEP 4 : AUTO LED WALK TEST. • All the LEDS will turn OFF. • All the LEDS will turn ON for 1 second one by one in the following sequence: STAND-BY OPERATE TIMER FILTER COOL HEAT. • In PRX all the LEDS will turn ON for 1 second one by one in the following sequence : 18 °c 20 °c...
  • Page 109 CONTROL SYSTEM Fail condition: 0 sec - STAND-BY is turned ON 3 sec - STAND-BY, OPER, TIMER and FILTER are turned ON • When the timing reset test is completed, the next test will start automatically. STEP 9: MEMORY TEST (EEPROM) •...
  • Page 110 CONTROL SYSTEM 12A.18. On Unit Indicators and Controls. STAND BY 1. Lights up when the Air Conditioner is connected to power INDICATOR and ready to receive the R/C commands 1. Lights up during operation. 2. Blinks continuously during OPERATION • OCT High Pressure Protection Mode INDICATOR •...
  • Page 111 CONTROL SYSTEM 12A.19. Clock Random Delay From 0 to 2.5 seconds Clock Switch Open Clock Switch close The Clock is activating according to the following table: A/C STATE CLOCK STATE CLOCK ACTION A/C NEW STATE (clock is changed) (after clock is changed) before clock is changed) before clock is changed) OFF by...
  • Page 112 CONTROL SYSTEM 12A.20. System diagnostics Pressing Mode button for 5-10 seconds in SB or any other operation mode will activate diagnostic mode by the acknowledgment of 3 short beeps and lighting of COOL and HEAT LEDs. In diagnostic mode, system problems will be indicated by blinking of Heat & Cool LEDs. The coding method will be as follow: Heat led will blink 5 times in 5 seconds, and then will be shut off for the next 5 seconds.
  • Page 113 CONTROL SYSTEM 12A.21. Quick Run Initiate the Quick Run Mode by using a R/C. Make sure that the correct A/C model has been selected by setting the jumpers J8, J3, J4 and J5 (if available), and the correct group has been selected by setting the jumpers J2 and J6.
  • Page 114 CONTROL SYSTEM 12B. CONTROL SYSTEM WNG LCD TYPE 12B.1 General Functions 12B.1.1 Operation Modes • Auto Mode • Cooling Mode • Drying Mode • Fan Mode • Heating Mode 12B.1.2 Functions • I FEEL, • Forced Mode, • Protection - hot keep, Deicing, defrosting, •...
  • Page 115 CONTROL SYSTEM 12B.2 Main PCB Controller LCD Display FLO 7-14 N 12B.2.1 Display (LEXAN) Display PCB Ass’y OPR’ (OFF: RED / ON: GREEN) FILTER LED OPR’ (OFF: RED / ON: GREEN) FILTER LED RECIVER RECIVER FRESH AIR /ION/ESF TIMER TIMER FRESH AIR /ION/ESF LCD SCREEN LCD SCREEN...
  • Page 116 CONTROL SYSTEM 12B.3 Operation Modes 12B.3.1 Auto Mode Operation Heating / Fan Drying Cooling 22ºC 26ºC • If RT >= 26ºC - A/C will go into Cooling Mode; Initial SPT is 25ºC. • If 22ºC < RT < 26ºC- A/C go into Drying mode; Initial SPT is 24ºC. •...
  • Page 117 CONTROL SYSTEM Comp’ Operation 12B.3.3 COMP SPT-1ºC SPT+1ºC • If RT >= SPT+1ºC, COMP and OFAN is activated; • If RT <= SPT-1ºC, COMP stop, OFAN will turn off after 5 seconds delay. Note: • COMP turns off have 3 min delay protection; •...
  • Page 118 CONTROL SYSTEM Defrosting 12B.3.4 ICT (ºC) >= 5 min 1 min >= 5 min COMP ON OFAN ON • IFAN always run at the set speed. • After COMP is on for 5 minutes, if (ICT <= -3ºC) during 1 minute, COMP and OFAN stop. If (ICT >...
  • Page 119 CONTROL SYSTEM 12B.3.5 High Pressure Protection (Excluding cooling only unit type) OCT (ºC) >= 3 min COMP Any OFAN follows COMP OFAN FORCED ON OFAN Any IFAN Any • If (OCT >= 61ºC), IFAN is forced to LOW. If (OCT <= 55ºC), IFAN restore to normal. •...
  • Page 120 CONTROL SYSTEM 12B.3.7 Drying Mode • SPT range: 16ºC~30ºC. Initial: 24ºC; • IFAN speed range: Auto, Low, Mid and Hi. Initial speed: Low; • IFAN speed can be changed only in state (1); State SPT-1°C SPT+2° SPT+3°C • If in state (1) - (SPT - 1ºC < RT <= SPT + 2ºC), unit will go into state (2) •...
  • Page 121 CONTROL SYSTEM 12B.3.8 Heating Mode • SPT range: 16ºC~30ºC. Initial: 24ºC; • In wall mounted units the indoor RT compensation temp’ value is - 3ºC -> RT, (Excluding I FEEL Mode) • IFAN speed range: Auto, Low, Mid and Hi. Initial speed: Low; •...
  • Page 122 CONTROL SYSTEM 12B.3.10 Hot keep function COMP on, IFAN set speed Supper low 21ºC 23ºC 32ºC 38ºC Note: If COMP is on for a period of 4 minutes or (ICT >= 38ºC), IFAN is in set speed; COMP off, IFAN set speed Supper low 21ºC...
  • Page 123 CONTROL SYSTEM 12B.3.12 High Pressure Protection ICT (ºC) >= 10s >= 3 Min COMP Any OFAN Any • If ICT >= 61ºC, OFAN turn off. If ICT <= 55ºC, OFAN turn on. • If (ICT >= 66ºC) for duration of 10 seconds, COMP turn off. If ICT <= 52ºC, COMP turn on. Note: If ICT is invalid, High Pressure protection cannot be activated.
  • Page 124 CONTROL SYSTEM 12B.3.14 Deicing Deicing starts, if OCT <= -6ºC and meets with one of the following conditions: • ICT < 39ºC, and IFAN is on for 20 minutes, and COMP is on for 5 minutes, and that ICT decrease 1ºC per 6 minutes, occur 3 times; •...
  • Page 125 CONTROL SYSTEM 12B.4 Other Functions 12B.4.1 Sleep Function Cooling or drying Mode SPT + 2ºC SPT + 1ºC Standby Heating Mode SPT - 2ºC SPT - 3ºC 1 hour 1 hour 6 hours • After 8 hours, it will go into Standby. Note: •...
  • Page 126 CONTROL SYSTEM 12B.4.3 I FEEL • The switchover between RCT by the remote controller and RT detected by the control board can be done by “I FEEL” function. After receiving the “I FEEL” command from the remote controller, MCU decide the operation mode of the air-conditioner by RCT detected by the remote controller.
  • Page 127 CONTROL SYSTEM 12B.4.7 Louvers control • Louvers is effective only if IFAN operates, but the remote controller can control its “ON” and “OFF” at any time after start up. When the air-conditioner is energized initially, the louvers is off, the following two modes can be controlled: (1) swing continuously; (2) cease any position in the swing range.
  • Page 128 CONTROL SYSTEM 12B.4.10 Sound Indication • The buzzer will beep twice when starts and a long sound when stops, one sound for receiving a command. 12B.4.11 Emergency Function • The first press on the emergency key on the indoor control board, the unit enters to cooling mode (SPT: 22ºC;...
  • Page 129 CONTROL SYSTEM 12B.4.15 Protection • When all relays meet their function requirements at the same time, there should be an interval of 0.5 second between every two relays. The action procedures are as follows: ON state: AHEAT OFAN —> COMP OFF state: AHEAT OFAN...
  • Page 130 CONTROL SYSTEM Self-test 12B.4.19 • When shorting the TEST jumper, the action will be per 1 second according to following: • beep one -> Cool led on-> Cool led off, Heat led on-> Heat led off, power led on-> power led off ,running led on->...

  • Page 131: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING SYMPTON PROBABLE CAUSE CORRECTIVE ACTION The stand-by There is no correct voltage -If the voltage is low repair power indicator (red led) between the line and neutral supply. on the central terminals on main P.C.B control display -If there is no voltage repair panel doesn’t light general wiring.
  • Page 132 TROUBLESHOOTING SYMPTON PROBABLE CAUSE CORRECTIVE ACTION No cooling or Outdoor fan motor faulty or -Replace P.C.B. heating only other fault caused, compressor -Outdoor fan blocked remove indoor fan works. overload protection cut out. obstructions. Only indoor fan Outdoor fan blocked. -Remove obstructions.

  • Page 133: Optional Accessories

    OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES 14.1 RCW Wall Mounted Remote Control 14.1.1 The RCW wall mounted remote control can be fitted to a large range and models, It can be used as IR (wirless mode) or wired controler.the RCW can control up to15 indoor units using the same settings (on its wired aplication), The max wiring length between the controller to the last indoor unit is 300m.
  • Page 134 OPTIONAL ACCESSORIES 14.2 RCW2 Wall Mounted Remote Cntrol 14.2.1 The RCW2 wall mounted remote controler is a wired controler that can provide affective controling management up to 15 different settings and temp’ zones. The RCW2 can be connected up to a max’ of 32 units,allowing a max wiring length of 1000m.
  • Page 135 OPTIONAL ACCESSORIES 14.3 RCW/RCW2 Wiring Connections as Shown on Kit Revision 0 14-3...
  • Page 136 OPTIONAL ACCESSORIES 14.4 A.S.K (All Season Kit) The A.S.K is a pressure regulator to be installed on site in case the working conditions are below the standard operating range of the unit in cooling mode. The ASK allows working in cooling at low temp’ up to -10 ºC for rooms with high internal gains. For units up to 7.2 KW kit code no’...
  • Page 137 OPTIONAL ACCESSORIES Revision 0 15-5...
  • Page 138 OPTIONAL ACCESSORIES Revision 0 15-6...
  • Page 139 OPTIONAL ACCESSORIES Revision 0 15-7...
  • Page 140 OPTIONAL ACCESSORIES Revision 0 15-8...
  • Page 142 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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