Airwell CN 9 User manual

CN Fixed RPM Series
REFRIGERANT
R410A HEATPUMP
REV: 01 Oct 2008

LISTOFEFFECTIVEPAGES
Service Manual-CN Fixed RPM series
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 ........ 1 October 2008
Total number of pages in this publication is 127 consisting of the following:
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Title…………………………..0
A………………………………0
i……………………………….0
1-1 ~ 1-3……………………..0
2-1 ~ 2-4……………………..0
3-1……..……………………..0
4-1 ~ 4-2……………………..0
5-1 ~ 5-6……………………..0
6-1 ~ 6-6……………………..0
7-1 ~ 7-4……………………..0
8-1 …….……………………..0
9-1 ~ 9-3……………………..0
10-1.…………………………..0
11-1 …………………………..0
12-1 ~ 12-47..………………..0
13-1 ~ 13-2……………………0
14-1 ~14-9……………………0
Appendix A…………………..0
zZero in this column indicates an original page.

Table of Contents
Service Manual-CN Fixed RPM 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---------------------------------------------------------------------------- ---5-1
6. PRESSURE CURVES----------------------------------------------------------------------------------6-1
7. SOUND LEVEL CHARACTERSTICS---------------------------------------------------------------7-1
8. ELECTRICAL DATA------------------------------------------------------------------------------------ 8-1
9. WIRING DIAGRAMS------------------------------------------------------------------------------------9-1
10. REFRIGERATION DIAGRAMS-------------------------------------------------------------------- -10-1
11. TUBING CONNECTIONS-------------------------------------------------------------------------- --11-1
12. CONTROL SYSTEM---------------------------------------------------------------------------------- 12-1
13. TROUBLESHOOTING--------------------------------------------------------------------------------13-1
14. EXPLODED VIEWS AND SPARE PARTS LISTS------------------------------------------- -14-1
15. APPENDIX A------------------------------------------------------------------------------------------- -15-1

Introduction
ServiceManual-CNFixedRPMseries 1-1
1. Introduction
1.1 General
The CN Fixed RPM Cassette type split air conditioner has the same appearance
and structure with CN DCI model. It comprise RC (heat pump) models, as
follows:
CN 9, CN 12, CN 18
1.2 Main Features
The CN Fixed RPM series benefits from the most advanced technological
innovations, namely:
x
R410A refrigerant
x
High COP
x
Precharged refrigerant
x
Low Sound level for both Indoor and Outdoor
x
60 x60 cm dimenstion designed for integration in suspended ceilings
x
New grille, modern style with elegant lines in line with every interior decor
, 2 panels optional available (hard ceiling / Suspended ceiling)
x
Motorized air distribution flaps
x
Very slim profile 219mm at size 9-12, and 270mm at size 18
x
Option of fresh air intake, and air distribution to adjacent room
x
Integrated condensate pump with a lift of 1m Max.
x
Up to 15 m pipe length between indoor and outdoor units
x
Up to 7 m vertical high between indoor and outdoor units
x
Heating operation at outdoor temprature down to -9°C
x
Built in over-flow protection against the condensate water
x
Easy installation and service.
x
Fan speed can be adjusted by air flow compensation setting according to
different installation height (Field option)

Introduction
ServiceManual-CNFixedRPMseries 1-2
1.3 Indoor Unit
The indoor unit is cassette type indoor unit, and can be easily fitted to many types
of residential and commercials applications.
It includes:
x
Coil with hydrophilic aluminum fins.
x
Motorized air flap (two step motors)
x
Advanced electronic control box assembly
x
Low sound level of the indoor fan
1.4 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, Appendix A.
1.5 Outdoor Unit
The outdoor units can be installed as floor or wall mounted units by using a wall
supporting bracket. The metal sheets are protected by anti- corrosion paint work
allowing long life resistance. All outdoor units are pre-charged. For further
information please refer to the Product Data Sheet, Chapter 2.
It includes :
x
Compressor mounted in a soundproofed compartment .
x
Axial fan.
x
Outdoor coil with hydrophilic louver fins for RC units.
x
Outlet air fan grill.
x
Service valves” flare” type connection.
x
Interconnecting wiring terminal block.

Introduction
ServiceManual-CNFixedRPMseries 1-3
1.6 Tubing Connections
Flare type interconnecting tubing to be produced on site.
For further details please refer to the Installation Manual, Chapter 10.
1.7 Accessories
Remote Control
Panel 625x625 for gird ceiling
Panel 725x725 for hard ceiling
1.8 Inbox Documentation
1.9 Matching Table
In addition the listed outdoor units can be matched with other types of indoor units such as
Lex,Alpha.
For further information please refer to the relevant Service Manual.
Each unit is supplied with its own installation manual, operation manual and
Remote Controller operation manual.

Units Cooling Only
Btu/hr 9380
kW 2.75
kW 0.81
W/W 3.40
A
V
Ph
Hz
A 3.7
0.96
W
W
A
A
H/M/L RPM
H/M/L m3/hr
Min Pa
H/M/L dB(A)
H/M/L dB(A)
l/hr
mm
WxHxD mm
kg
WxHxD mm
kg
units
units
H RPM
H m3/hr
H dB(A)
H dB(A)
WxHxD mm
kg 31
WxHxD mm
kg 33
Units
units
kg(7.5m)
In.(mm)
In.(mm)
m.
m.
kW
(1)Airflow in ducted units;at nominal external static pressure.
(2)Sound power in ducted units is measured at air discharge.
(3)Sound pressure level measured at 1-meter distance from unit.
(4)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).
35
1350
Others
Operation control type Remote control
Heating elements (Option) N/A
OUTDOOR
Refrigerant control Capillary tube
Compressor type,model Rotary Toshiba(GMCC) PA103X1C-4FZDE1
Additional charge 4m L 10m: +0g; 10m L 15m: +50g
Connections between
units
Liquid line 1/4"(6.35)
Max.height difference
Refrigerant type R410
Standard charge 0.97
Suction line 3/8"(9.53)
Max.tubing length Max.15
Max.7
Units per pallet 9
Stacking height 3 levels
Package dimensions 880x600x320
Packaged weight 34
Dimensions 830x545x245
Net Weight 32
1370
Sound power level
Sound pressure level(3)
Air flow
61
51
Fan type & quantity Propeller(direct) x 1
Fan speeds 750
Units per pallet 12
Stacking height 6levels
Package dimensions 681X681X297(700X700X103/800X800X103)
Packaged weight 16.2(3.4/4.2)
Dimensions 575X575X219(625X625X40/725X725X40)
Net Weight 12.9(2.2/2.7)
Moisture removal 0.92
Condenstate drain tube I.D 16
0
Sound power level (2) 48/45/43
Sound pressure level(3) 36/33/31
Circuit breaker rating 10
INDOOR
Fan type & quantity Centrifugal x 1
Fan speeds 650/550/450
Air flow (1) 490/400/320
External static pressure
Rated current 3.7 3.4
Starting current 16.6
Power factor 0.96 0.96
Prated (IDU)
Prated (IDU+ODU)
Energy efficiency class AA
Power supply
220-240
1
50
Power input (4) 0.81 0.74
EER (Cooling) or COP(Heating) (4) 3.40 3.85
Capacity (4) 9380 9720
2.75 2.85
Installation Method of Pipe Flared
Characteristics Cooling Heating
Model Indoor Unit CN-9
Model Outdoor Unit GCN-9
2. PRODUCT DATA SHEET
PRODUCT DATA SHEET
ServiceManual-CNFixedRPMseries 2-1
(5)The declared value's tolerance is in accordance with Eurovent.

Units Cooling Only
Btu/hr 11090
kW 3.25
kW 1.04
W/W 3.12
B
V
Ph
Hz
A 4.7
0.96
W
W
A
A
H/M/L RPM
H/M/L m3/hr
Min Pa
H/M/L dB(A)
H/M/L dB(A)
l/hr
mm
WxHxD mm
kg
WxHxD mm
kg
units
units
H RPM
H m3/hr
H dB(A)
H dB(A)
WxHxD mm
kg 32
WxHxD mm
kg 34
Units
units
kg(7.5m)
In.(mm)
In.(mm)
m.
m.
kW
(1)Airflow in ducted units;at nominal external static pressure.
(2)Sound power in ducted units is measured at air discharge.
(3)Sound pressure level measured at 1-meter distance from unit.
(4)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).
Model Indoor Unit CN-12
Model Outdoor Unit GCN-12
Installation Method of Pipe Flared
Characteristics Cooling Heating
Capacity (4) 11090 11940
3.25 3.50
Power input (4) 1.04 0.98
EER (Cooling) or COP(Heating) (4) 3.12 3.50
Energy efficiency class BB
Power supply
220-240
1
50
Rated current 4.7 4.5
Power factor 0.96 0.96
Prated (IDU) 35
Prated (IDU+ODU) 1400
Starting current 24
Circuit breaker rating 10
INDOOR
Fan type & quantity Centrifugal x 1
Fan speeds 650/550/450
Air flow (1) 490/400/320
External static pressure 0
Sound power level (2) 48/46/44
Sound pressure level(3) 36/34/32
Moisture removal 1.35
Condenstate drain tube I.D 16
Dimensions 575X575X219(625X625X40/725X725X40)
Net Weight 12.9(2.2/2.7)
Package dimensions 681X681X297(700X700X103/800X800X103)
Packaged weight 16.2(3.4/4.2)
Units per pallet 12
Stacking height 6levels
OUTDOOR
Refrigerant control Capillary tube
Compressor type,model Rotary,Panasonic,5PS132EAC22
Fan type & quantity Propeller(direct) x 1
Fan speeds 830
Air flow 1450
Sound power level 63
Sound pressure level(3) 53
Dimensions 830x545x245
Net Weight 33
Package dimensions 880x600x320
Packaged weight 35
Units per pallet 9
Stacking height 3 levels
Refrigerant type R410A
Standard charge 0.96
Additional charge 4mLin10m:+0g 10m<Lin15m:+50g
Connections between
units
Liquid line 1/4"(6.35)
Suction line 3/8"(9.53)
Max.tubing length Max.15
Max.height difference Max.7
Operation control type Remote control
Heating elements (Option) N/A
Others
PRODUCT DATA SHEET
ServiceManual-CNFixedRPMseries 2-2
(5)The declared value's tolerance is in accordance with Eurovent.

Units Cooling Only
Btu/hr 17400
kW 5.10
kW 1.66
W/W 3.07
B
V
Ph
Hz
A 7.5
0.96
W
W
A
A
H/M/L RPM
H/M/L m3/hr
Min Pa
H/M/L dB(A)
H/M/L dB(A)
l/hr
mm
WxHxD mm
kg
WxHxD mm
kg
units
units
H RPM
H m3/hr
H dB(A)
H dB(A)
WxHxD mm
kg
WxHxD mm
kg
Units
units
kg(7.5m)
In.(mm)
In.(mm)
m.
m.
kW
(1)Airflow in ducted units;at nominal external static pressure.
(2)Sound power in ducted units is measured at air discharge.
(3)Sound pressure level measured at 1-meter distance from unit.
(4)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).
Model Indoor Unit CN-18
Model Outdoor Unit ONG3-17
Installation Method of Pipe Flared
Characteristics Cooling Heating
Capacity (4) 17400 18420
5.10 5.40
Power input (4) 1.66 1.61
EER (Cooling) or COP(Heating) (4) 3.07 3.35
Energy efficiency class BC
Power supply
220-240
1
50
Rated current 7.5 7.3
Power factor 0.96 0.96
Prated (IDU) 55
Prated (IDU+ODU) 2150
Starting current 32
Circuit breaker rating 15
INDOOR
Fan type & quantity Centrifugal x 1
Fan speeds 750/650/550
Air flow (1) 680/580/490
External static pressure 0
Sound power level (2) 52/49/47
Sound pressure level(3) 41/39/37
Moisture removal 2.40
Condenstate drain tube I.D 16
Dimensions 575X575X270(625X625X40/725X725X40)
Net Weight 15.2(2.2/2.7)
Package dimensions 681X681X348(700X700X103/800X800X103)
Packaged weight 18.7(3.4/4.2)
Units per pallet 12
Stacking height 6 levels
OUTDOOR
Refrigerant control Capillary tube
Compressor type,model Rotary,TOSHIBA PA200X2CS-4KT1
Fan type & quantity Propeller(direct) x 1
Fan speeds 910
Air flow 2160
Sound power level 65
Sound pressure level(3) 54
Dimensions 795x610x290
Net Weight 43
Package dimensions 970x650x394
Packaged weight 46
Units per pallet 9
Stacking height 3 levels
Refrigerant type R410A
Max.height difference Max.7
Standard charge 1.28kg
Additional charge 4m Length 10m: +0g; 10m Length 15m: +100g
Suction line 1/2"(12.7)
Max.tubing length Max.15
Others
Operation control type Remote control
Heating elements (Option) N/A
Connections between
units
Liquid line 1/4"(6.35)
PRODUCT DATA SHEET
ServiceManual-CNFixedRPMseries 2-3
42
45
(5)The declared value's tolerance is in accordance with Eurovent.

Product Data Sheet
ServiceManual-CNFixedRPMseries 2-4
Optional accessory
Panel 625x625(Optional accessory) For all the models
Dimensions (H x L x D) mm 625x625x40
Weight kg 2.2
Package Dimensions (H x L x D) mm 700x700x103
Package Weight kg 3.4
Units per pallet units 20
Stacking height units 10 levels
Panel 725x725(Optional accessory) For all the models
Dimensions (H x L x D) mm 725x725x40
Weight kg 2.7
Package Dimensions (H x L x D) mm 800x800x103
Package Weight kg 4.2
Units per pallet units 10
Stacking height units 10 levels

Rating Conditions
ServiceManual-CNFixedRPMseries 3-1
3. RATING CONDITIONS
Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units).
Cooling:
Indoor: 27oC DB 19oC WB
Outdoor: 35 oC DB
Heating:
Indoor: 20oC DB
Outdoor: 7oC DB 6oC WB
Operating Limits
R410A
Indoor Outdoor
Upper limit 32oC DB 23oC WB 46oC DB
Cooling Lower limit 21oC DB 15oC WB 21oC DB
Upper limit 27oC DB 24oC DB 18oC WB
Heating Lower limit 10oC DB -9oC DB -10oC WB
Voltage 198 – 264 V

Outline Dimensions
ServiceManual-CNFixedRPMseries 4-1
4. OUTLINE DIMENSIONS
4.1 Indoor Unit: CN 9/12/18
Unit
Model
Main unit
A
Insulation
B
Front Step
C
Front width
D
Front height
E
Effective Height
H
CN 9/12 219 2 9 625/725 40 230
CN 18 270 2 9 625/725 40 281

Outline Dimensions
ServiceManual-CNFixedRPMseries 4-2
4.2 Outdoor Unit: GCN 9/12 R410A
4.3 Outdoor Unit: ONG3-17 R410A

Performance Data
ServiceManual-CNFixedRPMseries 5-1
5. PERFORMANCE DATA
5.1 CN 9/GCN 9 R410A
5.1.1 Cooling Capacity (kW)
Entering Air WB/DB ID Coil(oC)
Entering Air
DB OD Coil(oC) Data 15/21 17/24 19/27 21/29 23/32
TC 2.86 3.02 3.16 3.30 3.42
SC 0.58 0.62 0.65 0.63 0.64

15

PI 0.58 0.58 0.58 0.58 0.58
TC 2.83 3.00 3.14 3.28 3.39
SC 2.02 2.14 2.26 2.20 2.25

20

PI 0.62 0.62 0.63 0.63 0.63
TC 2.72 2.91 3.08 3.22 3.33
SC 0.56 0.60 0.64 0.63 0.64

25

PI 0.67 0.68 0.68 0.69 0.69
TC 2.55 2.74 2.97 3.08 3.19
SC 0.54 0.58 0.62 0.61 0.64

30

PI 0.73 0.73 0.74 0.75 0.75
TC 2.35 2.55 2.80 2.94 3.05
SC 0.50 0.55 0.60 0.59 0.62

35

PI 0.78 0.80 0.81 0.82 0.82
TC 2.13 2.32 2.58 2.72 2.83
SC 0.47 0.52 0.57 0.56 0.59

40

PI 0.85 0.86 0.87 0.88 0.89
TC 1.85 2.04 2.30 2.44 2.55
SC 0.43 0.47 0.53 0.52 0.55

46

PI 0.93 0.94 0.96 0.97 0.98
LEGEND
TC – Total Cooling Capacity, kW
SC – Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OU – Outdoor

Performance Data
ServiceManual-CNFixedRPMseries 5-2
5.1.2 Heating Capacity (kW)
ENTERING AIR DB ID COIL(Oc)
 15 20 25
ENTERING
WB OD
COIL(oC)
TH Pl TH Pl TH Pl
-10 1.45 0.57 1.39 0.60 1.34 0.64
-7 1.56 0.58 1.50 0.61 1.45 0.65
-2 1.65 0.59 1.60 0.62 1.54 0.66
22.01 0.62 1.93 0.66 1.84 0.70
62.84 0.66 2.75 0.71 2.66 0.75
10 3.08 0.70 3.00 0.75 2.92 0.80
15 3.33 0.73 3.25 0.79 3.17 0.84
20 3.51 0.75 3.43 0.82 3.33 0.88
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OU – Outdoor
5.1.3 Capacity Correction Factor Due to Tubing Length
Cooling
TOTAL TUBING LENGTH
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.03 10.984 0.953 --- --- --- --- ---
*Minimum recommended tubing length between indoor and outdoor units is 3m.
Heating
TOTAL TUBING LENGTH
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.06 10.962 0.886 --- --- --- --- ---
*Minimum recommended tubing length between indoor and outdoor units is 3m.

Performance Data
ServiceManual-CNFixedRPMseries 5-3
5.2 CN 12/GCN 12 R410A
5.2.1 Cooling Capacity (kW)
Entering Air WB/DB ID Coil(oC)
Entering Air
DB OD Coil(oC) Data 15/21 17/24 19/27 21/29 23/32
TC 3.32 3.51 3.67 3.84 3.97
SC 0.89 0.94 0.99 0.97 0.99

15

PI 0.75 0.75 0.75 0.75 0.75
TC 3.28 3.48 3.64 3.80 3.93
SC 2.34 2.49 2.63 2.55 2.61

20

PI 0.81 0.81 0.81 0.82 0.82
TC 3.15 3.38 3.58 3.74 3.87
SC 0.86 0.93 0.98 0.96 0.99

25

PI 0.87 0.88 0.89 0.89 0.89
TC 2.96 3.19 3.45 3.58 3.71
SC 0.82 0.89 0.96 0.94 0.98

30

PI 0.94 0.95 0.96 0.97 0.98
TC 2.73 2.96 3.25 3.41 3.54
SC 0.77 0.84 0.92 0.91 0.95

35

PI 1.02 1.03 1.05 1.06 1.06
TC 2.47 2.70 2.99 3.15 3.28
SC 0.72 0.79 0.87 0.86 0.90

40

PI 1.10 1.11 1.13 1.14 1.15
TC 2.15 2.37 2.67 2.83 2.96
SC 0.65 0.72 0.82 0.80 0.84

46

PI 1.20 1.22 1.24 1.26 1.27
LEGEND
TC – Total Cooling Capacity, kW
SC – Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OU – Outdoor

Performance Data
ServiceManual-CNFixedRPMseries 5-4
5.2.2 Heating Capacity (kW)
ENTERING AIR DB ID COIL(Oc)
 15 20 25
ENTERING
WB OD
COIL(oC)
TH Pl TH Pl TH Pl
-10 1.81 0.80 1.74 0.85 1.67 0.90
-7 1.95 0.82 1.88 0.87 1.81 0.91
-2 2.07 0.83 2.00 0.88 1.93 0.93
22.52 0.87 2.42 0.93 2.31 0.98
63.55 0.94 3.45 1.00 3.33 1.06
10 3.86 0.99 3.76 1.06 3.66 1.13
15 4.17 1.03 4.07 1.11 3.97 1.18
20 4.40 1.06 4.30 1.15 4.17 1.24
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OU – Outdoor
5.2.3 Capacity Correction Factor Due to Tubing Length
Cooling
TOTAL TUBING LENGTH
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.03 10.981 0.946 --- --- --- --- ---
*Minimum recommended tubing length between indoor and outdoor units is 3m.
Heating
TOTAL TUBING LENGTH
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.05 10.974 0.922 --- --- --- --- ---
*Minimum recommended tubing length between indoor and outdoor units is 3m.

Performance Data
ServiceManual-CNFixedRPMseries 5-5
5.3 CN 18/ONG3-17 R410A
5.3.1 Cooling Capacity (kW)
Entering Air WB/DB ID Coil(oC)
Entering Air
DB OD Coil(oC) Data 15/21 17/24 19/27 21/29 23/32
TC 5.25 5.56 5.82 6.08 6.28
SC 1.50 1.59 1.67 1.64 1.66

15

PI 1.18 1.18 1.18 1.19 1.19
TC 5.20 5.51 5.77 6.03 6.23
SC 3.71 3.94 4.16 4.04 4.13

20

PI 1.27 1.28 1.29 1.29 1.30
TC 5.00 5.36 5.67 5.92 6.13
SC 1.46 1.56 1.65 1.62 1.66

25

PI 1.37 1.39 1.40 1.41 1.41
TC 4.69 5.05 5.46 5.67 5.87
SC 1.38 1.49 1.61 1.58 1.65

30

PI 1.49 1.51 1.53 1.54 1.54
TC 4.33 4.69 5.15 5.41 5.61
SC 1.30 1.42 1.55 1.53 1.59

35

PI 1.61 1.63 1.66 1.67 1.68
TC 3.91 4.27 4.74 5.00 5.20
SC 1.21 1.33 1.47 1.44 1.51

40

PI 1.73 1.76 1.79 1.81 1.82
TC 3.40 3.76 4.22 4.48 4.69
SC 1.10 1.22 1.37 1.35 1.41

46

PI 1.90 1.93 1.97 1.99 2.01
LEGEND
TC – Total Cooling Capacity, kW
SC – Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OU – Outdoor

Performance Data
ServiceManual-CNFixedRPMseries 5-6
5.3.2 Heating Capacity (kW)
ENTERING AIR DB ID COIL(Oc)

 15 20 25
ENTERING
WB OD
COIL(oC)
TH Pl TH Pl TH Pl
-10 2.76 1.27 2.65 1.35 2.55 1.42
-7 2.97 1.30 2.86 1.38 2.76 1.45
-2 3.15 1.32 3.05 1.40 2.94 1.48
23.83 1.38 3.68 1.47 3.52 1.56
65.41 1.49 5.25 1.59 5.07 1.69
10 5.88 1.57 5.72 1.68 5.57 1.79
15 6.35 1.64 6.20 1.76 6.04 1.88
20 6.69 1.69 6.54 1.83 6.35 1.97
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OU – Outdoor
5.3.3 Capacity Correction Factor Due to Tubing Length
Cooling
TOTAL TUBING LENGTH
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.04 10.977 0.930 --- --- --- --- ---
*Minimum recommended tubing length between indoor and outdoor units is 3m.
Heating
TOTAL TUBING LENGTH
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.05 10.974 0.923 --- --- --- --- ---
*Minimum recommended tubing length between indoor and outdoor units is 3m.

Pressure Curves
ServiceManual-CNFixedRPMseries 6-1
6. PRESSURE CURVES
6.1 Model: CN9/GCN 9 R410A
6.1.1 Cooling