Airwell FLO 7 N User manual

Technical Manual
FLO N LCD Series
REFRIGERANT
R410A HEAT PUMP
TM FLO-N A 0 GB 08- 2005
Indoor Units Outdoor Units
FLO 7N GC7N ONG 7
FLO 9 N GC9N ONG 9
FLO 12 N GC 12 N ONG 12
FLO 14 N GC 14 N ONG 14
FLO18 N GC 18 N —
FLO 24 N GC 24 N OU7-24
WNG 25 GC 24 —
FLO 30 N GC 30 N OU8 30/33

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LIST OF EFFECTIVE PAGES
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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.
Dates of issue for original and changed pages are:
Original ....... 0........August 2005
Total number of pages in this publication is140 consisting of the following:
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*Due to constant improvements please note that the data on this service manual can be modified with out notice.
**Photos are not contractual.

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TABLE OF CONTENTS
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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 & PRESSURE CURVES ................................................5-1
6. SOUND LEVEL CHARACTERISTICS ..................................................................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
14. OPTIONAL ACCESSORIES .................................................................................14-1

1-1
INTRODUCTION
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1. INTRODUCTION
1.1 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
• Heat Pump FLO 7 NRC, FLO 9 NRC, FLO12 NRC, FLO 14 NRC,
FLO 18 NRC, FLO 24 NRC, FLO 30 NRC
The indoor FLO N units are available as LCD display types, featuring esthetic
design, compact dimensions, and low noise operation.
Type WNG18, WNG24, WNG30
1.2 Main Features
The FLO N series benefits from the most advanced technological innovations, namely:
• R410A models
• Microprocessor control.
• Infrared remote control with liquid crystal display.
• Supports Indoor Air Quality features, such as – Ionizer, Active Electro-Static
Filter, and Fresh Air.
• Indoor large diameter cross flow fan, allowing low noise level operation.
• Bended indoor coil with treated aluminum fins and coating for improved
efficiency.
• High COP.
• Easy access to the interconnecting tubing and wiring connections, so that
removing the front grill or casing is not necessary.
• Refrigerant pipes can be connected to the indoor unit from 6 different optional
directions.
• The FLO 18/24/30 N are equipped with a flexible corrugated copper suction
tube allowing easy bending by the installer without the necessity to use special
equipment.
• Water condensate tray is equipped with two optional drain connections.
• Automatic treated air sweep.
• Low indoor and outdoor noise levels.
• Easy installation and service.

1-2
INTRODUCTION
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1.3 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.
• Motorized flaps (dual air sweeping for LCD type)
• Multi-speed motor with internal protection (P.G. motor for LCD type).
• Advanced electronic control box assembly
• Interconnecting wiring terminal block
• Mounting plate
1.4 Filtration
The FLO N series presents several types of air filters:
• Easily accessible, and re-usable pre-filters (mesh)
• Pre-charged electrostatic filter (disposable)
• Active carbon filter (disposable)
• ESF. Active Electro Static re-usable filter (optional)
1.5 Ionizer (Optional)
A special design Ionizer protected by unique patents integrated into the indoor unit,
generating negative ions to the room providing comfort and upgraded indoor air quality.
1.6 Control
The microprocessor indoor controller, and an infrared remote control, supplied as
standard, provide complete operating function and programming. For further details
please refer to the Operation Manual .

1-3
INTRODUCTION
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1.7 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.
• Service valves” flare” type connection.
• Interconnecting wiring terminal block.
• Fresh air motor for FLO N 7-14 (optional).
1.8 Tubing Connections
Flare type interconnecting tubing to be produced on site.
For further details please refer to the Installation Manual.
1.9 Accessories
ASK (All Season Kit):
For low ambient working conditions in cooling, an ASK can be installed inside the
outdoor unit. This kit allows cooling operation down to outdoor temp of -10 ºC by
gradually controlling the outdoor fan speed motor.
RCW Wall Mounted Remote Control
The RCW remote control is mounted on the wall, and controls the unit either as an
infrared remote control or as a wired controller. The wired controller can control up to
10 Indoor units with the same program settings and adjustments.
For further details please refer to Optional Accessories, Chapter 14.
1.10 Inbox Documentation
Each unit is supplied with its own installation and operation manuals.

1-4
INTRODUCTION
Revision Y05-03 Service Manual - WNG
1.11 Matching Table
1.11.1 R410A
OUTDOOR UNITS
INDOOR UNITS
MODEL REFRIGER. FLO7N FLO9N FLO12N FLO14N K9N K11N K15N SX9N SX12N SX15
ONG7 ST R410A √
ONG9 ST R410A √ √ √
ONG12 ST R410A √ √ √
ONG14 ST R410A √ √ √
ONG7 RC R410A √
ONG9 RC R410A √ √ √*
ONG12 RC R410A √ √
ONG14 RC R410A √* √
OUTDOOR UNITS
INDOOR UNITS
MODEL REFt FLO18N FLO21N FLO24N FLO30N _ K18NKXL24 KXL30 SX18N SX24N SX30N
GC18 ST R410A √ √ √
GC21 ST R410A √
GC24 ST R410A √ √ √
OU8 30 ST R410A √ √ √
OU10 36 ST R410A
GC18 RC R410A √ √ √
GC21 RC R410A √
GC24 RC R410A √
OU8 30 RC R410A √
OU10 36 RC R410A
√* - The outdoor unit of this combination cannot be matched to other indoor units.

2-1
PRODUCT DATA SHEET
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2. PRODUCT DATA SHEET
2.1 R410A
Model Indoor Unit FLO 7N
Model Outdoor Unit GC 7 N (ONG-7)
Installation Method of Pipe Flared
Characteristics Units Cooling Only Cooling Heating
Capacity(1) Btu/hr 7610 7610 7760
kW 2.23 2.23 2.28
Power input (1) kW 0.68 0.68 0.665
EER (Cooling) or COP(Heating)(1) W/W 3.28 3.28 3.42
Energy efficiency class AAB
Power supply V/Ph/Hz 220-240V/Single/50Hz
Rated current A 3.0 3.0 2.9
Starting current A 15
Circuit breaker rating A 10
INDOOR
Fan type & quantity Crossflow x 1
Fan speeds H/M/L RPM 860/760/660
Air flow(2) H/M/L m3/hr 380/320/280
External static
pressure Min-Max Pa 0
Sound power level(3) H/M/L dB(A) 45/41/39
Sound pressure level(4) H/M/L dB(A) 30/27/25
Moisture removal l/hr 0.7
Condenstate drain tube I.D mm 16
Dimensions WxHxD mm 810x190x285
Weight kg 11
Package dimensions WxHxD mm 885x360x285
Packaged weight kg 13.5
Units per pallet units 32
Stacking height units 8 levels
OUTDOOR
Refrigerant control Capillary tube (with 026 restrictor)
Compressor type,model Rotary,LG GK086PAE
Fan type & quantity Propeller(direct) x 1
Fan speeds H/L RPM 680
Air flow H/L m3/hr 1660
Sound power level H/L dB(A) 56 57
Sound pressure level(4) H/L dB(A) 46 47
Dimensions WxHxD mm 795x290x610
Weight kg 31 32
Package dimensions WxHxD mm 945x395x655
Packaged weight kg 35 36
Units per pallet Units 9
Stacking height units 3 levels
Refrigerant type R410A
Refrigerant chargless distance kg/m 0.77kg/7.5m 0.89kg/7.5m
Additional charge per 1 meter g/m 15
Connections between
units
Liquid line In.(mm) 1/4”(6.35)
Suction line In.(mm) 3/8”(9.53)
Max.tubing length m. Max.15
Max.height
difference m. Max.7
Operation control type Remote control
Heating elements (Option) kW 0.3
Others
(1) Rating conditions in accordance with ISO 5151, ISO 13253 (for ducted units) and EN 14511.
(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.

2-2
PRODUCT DATA SHEET
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Model Indoor Unit FLO 9N
Model Outdoor Unit GC 9 N(ONG-9)
Installation Method of Pipe Flared
Characteristics Units Cooling Only Cooling Heating
Capacity (1) Btu/hr 9280 9280 10240
kW 2.72 2.72 3.0
Power input (1) kW 0.825 0.825 0.850
EER (Cooling) or COP(Heating) (1) W/W 3.30 3.30 3.53
Energy efficiency class AAB
Power supply V/Ph/Hz 220-240V/Single/50Hz
Rated current A 3.7 3.7 3.8
Starting current A 18.7
Circuit breaker rating A 10
INDOOR
Fan type & quantity Crossflow x 1
Fan speeds H/M/L RPM 960/860/760
Air flow (2) H/M/L m3/hr 450/380/330
External static pressure Min-Max Pa 0
Sound power level (3) H/M/L dB(A) 49/46/44
Sound pressure level(4) H/M/L dB(A) 35/31/28
Moisture removal l/hr 0.9
Condenstate drain tube I.D mm 16
Dimensions WxHxD mm 810x190x285
Weight kg 11
Package dimensions WxHxD mm 885x285x360
Packaged weight kg 13.5
Units per pallet units 32
Stacking height units 8 levels
OUTDOOR
Refrigerant control Capillary tube (with 029 restrictor)
Compressor type,model Rotary,LG GK113PAG
Fan type & quantity Propeller(direct) x 1
Fan speeds H/L RPM 780
Air flow H/L m3/hr 1780
Sound power level H/L dB(A) 58 60
Sound pressure level(4) H/L dB(A) 48 49
Dimensions WxHxD mm 795x290x610
Weight kg 34 35
Package dimensions WxHxD mm 945x395x655
Packaged weight kg 38 39
Units per pallet Units 9
Stacking height units 3 levels
Refrigerant type R410A
Refrigerant chargless distance kg/m 0.96kg/7.5m 1kg/7.5m
Additional charge per 1 meter g/m 10
Connections between
units
Liquid line In.(mm) 1/4”(6.35)
Suction line In.(mm) 3/8”(9.53)
Max.tubing length m. Max.15
Max.height
difference m. Max.7
Operation control type Remote control
Heating elements (Option) kW 0.3
Others
(1) Rating conditions in accordance with ISO 5151, ISO 13253 (for ducted units) and EN 14511.
(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.