Airwell WDI 7 Building instructions

DUO 38 DCI / DAKOTA
Indoor Units Outdoor Units
WDI 7
DUO 38 DCI
WDI 9
WDI 12
JUNE – 2009
REFRIGERANT
R410A HEAT PUMP
SM DUO38I 1-A.2 GB

A
LIST OF EFFECTIVE PAGES
SM DUO38I 1-A.2 GB
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 ........ January 2006
Total number of pages in this publication is 56 consisting of the following:
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Title ....................... 1
A ........................... 1
i............................. 1
1-1 ........................ 1
2-1 - 2-4 ................ 2
3-1 - 3-1 ................ 1
4-1 - 4-2 ................ 1
5-1 - 5-9 ................ 1
6-1 - 6-2 ................ 1
7-1 ........................ 2
8-1 ........................ 1
9-1 - 9-2 ................ 1
10-1 ...................... 1
11-1-11-18............. 1
12-1-12-6 .............. 1
13-1-13-2 .............. 2
Appendix -A ...........1
•Zero in this column indicates an original page.
*Due to constant improvements please note that the data on this service manual can be modified
with out notice.
**Photos are not contractual

i
TABLE OF CONTENTS
SM DUO38I 1-A.2 GB
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. ELECTRICAL DATA..............................................................................................7-1
8. WIRING DIAGRAMS .............................................................................................8-1
9. REFRIGERATION DIAGRAMS.............................................................................9-1
10. TUBING CONNECTIONS......................................................................................10-1
11. CONTROL SYSTEM .............................................................................................11-1
12. TROUBLESHOOTING ..........................................................................................12-1
13. EXPLODED VIEWS AND SPARE PARTS LISTS.................................................13-1
14. APPENDIX A .........................................................................................................14-1

1-1
INTRODUCTION
SM DUO38I 1-A.2 GB
1. INTRODUCTION
1.1 General
The new DUO 3.8 DCI Outdoor Unit is a high efficiency multi split inverter unit,
supporting Indoor Units capacity range of - 2.2, 2.5 and 3.5 Kw.
1.2 Main Features
 DC Inverter
 R410A
 High COP (A class energy rating)
 Pre-Charged
 Base heater connection.
 Cooling operation at outdoor temperature down to -100C.
 Heating operation at outdoor temperature down to -150C.
 10 LED’s, shows both indoor and outdoor diagnostics.
 Variable Speed DC Inverter outdoor fan.
 M2L diagnostics softwear cable Port ( for PC).
 Low noise level
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.
1.5 Matching Table
1.5.1 R410A
INDOOR UNITS
OUTDOOR UNITS
MODEL REFRIGERANT WDI 7 DCI WDI 9 DCI WDI 12 DCI
DUO 38 DCI R410A √√√

2-1
PRODUCT DATA SHEET
SM DUO38I 1-A.2 GB
2. PRODUCT DATA SHEET
2.1 Outdoor Unit DUO 38 DCI / WDI Specifications.
Model Indoor Unit WDI 7 9 12
Model Outdoor Unit DCI DUO 38 R410A
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Capacity (4))Btu/hr 13300(4090-18750) 15350(4090-21140)
kW 3.90(1.50-5.50) 4.50(1.20-6.20)
Power input (4) kW 1.1(0.45-1.80) 1.24(0.45-1.80)
EER (Cooling) or COP(Heating) (4) W/W 3.55 3.61
Energy efficiency class A A
Power supply V/Ph/Hz 220-240V/Single/50/60Hz
Rated current A 4.8 5.4
Starting current A 10.5
Circuit breaker rating A 15
OUTDOOR
Refrigerant control EEV
Compressor type,model Single Rotary DC Inverter,Panasonic
5RS102XAB
Fan type & quantity Propeller(direct) x 1
Fan speeds H/L RPM 920/500
Air flow H/L m3/hr 2160
Sound power level H/L dB(A) 62 63
Sound pressure
level (3) H/L dB(A) 52 53
Dimensions WxHxD mm 795*290*610
Weight kg 38
Package dimensions WxHxD mm 945*395*655
Packaged weight kg 40
Units per pallet Units 9 units per pallet
Stacking height units 3 levels
Refrigerant type R410A
Refrigerant chargless distance kg/m 1.2/7.5
Additional charge per 1 meter g/m No need
Connections
between units
Liquid line In.(mm) 1/4"(6.35)
Suction line In.(mm) 3/8"(9.53)
Max.tubing length m. Max.30
Max.height difference m. Max. 10
Operation control type Remote control
Heating elements kW
Others
(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).

2-2
PRODUCT DATA SHEET
SM DUO38I 1-A.2 GB
2.2 Indoor Units Data
2.2.1 WDI 7 DCI Specifications
Model Indoor Unit / Type WDI 7 DCI / Wall Mounted
Installation Method FLARE
Power Supply V/Ph/Hz 220-240 / 1/ 50/60
INDOOR
Fan Type & Quantity Crossflow *1
Airflow(2)
Cooling / Heating H/M/L m3/hr 400 350 300
Sound Power Level(3)
Cooling / Heating L - H dB (A) 49/46/43
Sound Pressure Level (4)
Cooling / Heating L - H dB (A) 36/33/30
Condensate Drain Tube I.D. mm 16
Dimensions W/H/D mm 680 250 185
Weight kg 7
Package Dimensions W/H/D mm 740 320 265
Stacking Height Units 9 LEVELS
Heating Elements kW N/A
Moisture Removal L/hr 1
2.2.2 WDI 9 DCI Specifications
Model Indoor Unit / Type WDI 9 DCI / Wall Mounted
Installation Method FLARE
Power Supply V/Ph/Hz 220-240 / 1/ 50/60
INDOOR
Fan Type & Quantity Crossflow *1
Airflow(2)
Cooling / Heating H/M/L m3/hr 420 350 270
Sound Power Level(3)
Cooling / Heating L - H dB (A) 52/48/45
Sound Pressure Level (4)
Cooling / Heating L - H dB (A) 39/35/32
Condensate Drain Tube I.D. mm 16
Dimensions W/H/D mm 680 250 185
Weight kg 7
Package Dimensions W/H/D mm 740 320 260
Stacking Height Units 9 LEVELS
Heating Elements kW N/A
Moisture Removal L/hr 1.0
(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN14511.
(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.

2-3
PRODUCT DATA SHEET
SM DUO38I 1-A.2 GB
2.2.3 WDI 12 DCI Specifications
Model Indoor Unit / Type WDI 12 DCI / Wall Mounted
Installation Method FLARE
Power Supply V/Ph/Hz 220-240 / 1/ 50/60
INDOOR
Fan Type & Quantity Crossflow *1
Airflow(2)
Cooling / Heating H/M/L m3/hr 550 450 350
Sound Power Level(3)
Cooling / Heating L - H dB (A) 56/46/42
Sound Pressure Level (4)
Cooling / Heating L - H dB (A) 39/33/29
Condensate Drain Tube I.D. mm 16
Dimensions W/H/D mm 840 250 185
Weight kg 8.0
Package Dimensions W/H/D mm 930 320 265
Stacking Height Units 9 LEVELS
Heating Elements kW N/A
Moisture Removal L/hr 1.5
(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN14511.
(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.
2.2.4 Indoor Units Combinations
Indoor Units
Combinations
Cooling Heating
Room A Room B Total Capacity Power Input Room A Room B Total Capacity Power Input
[W] [W] [W] [W] [W] [W] [W] [W]
7 2200
-2200 (1500 -
2600) 675 (450 - 850) 2500 -2500 (1200 - 3100) 750 (450 - 1000)
9 2500
-2500 (1500 -
3000) 750 (450 - 980) 2800 -2800 (1200 – 3500) 910 (450 – 1220)
12 3500
-3500 (1500 -
4100)
1030 (450
– 1250) 3600 -3600 (1200 - 4100) 1030 (450 - 1150)
7+7 1850 1850
3700 (1500 -
4700) 1000 (450-1800) 2150 2150 4300 (1200 – 5200) 1200 (450 – 1800)
7+9 1850 1950
3800 (1500 -
4800)
1050 (450 -
1800) 2150 2250 4400 (1200 – 5300) 1240 (450 – 1800)
7+12 1850 3050
4900 (1500 -
5200)
1350 (450 -
1800) 2150 3250 5400 (1200 – 5900) 1520 (450 – 1800)
9+9 1950 1950
3900 (1500 -
5500)
1100 (450 -
1800) 2250 2250 4500 (1200 - 6200) 1280 (450 - 1800)
9+12 1950 3050
5000 (1500 -
5500)
1400 (450 -
1800) 2250 3250 5500 (1200 - 6200) 1560 (450 - 1800)

3-1
RATING CONDITIONS
SM DUO38I 1-A.2 GB
3. RATING CONDITIONS
Standard conditions in accordance with ISO 5151, ISO 13253 (for ducted units)
and EN 14511.
Cooling:
Indoor: 27oC DB 19oC WB
Outdoor: 35 oC DB
Heating:
Indoor: 20oC DB
Outdoor: 7oC DB 6oC WB
3.1 Operating Limits
Indoor Outdoor
Cooling Upper limit 32oC DB 23oC WB 46oC DB
Lower limit 21oC DB 15oC WB -10oC DB
Heating Upper limit 27oC DB 24oC DB 18oC WB
Lower limit 10oC DB -15oC DB -16oC WB
Voltage 1PH 198 – 264 V
3PH N/A

4-1
OUTLINE DIMENSIONS
SM DUO38I 1-A.2 GB
4. OUTLINE DIMENSIONS
4.1 Indoor Unit: WDI 7, WDI 9 DCI
4.2 Indoor Unit: WDI 12 DCI
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şśŗ
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śśř
şŗ
°µ«¶¶¹¼µ°»¶¼»³°
µ
185
250
680
AIR OUTLET
AIR INTAKE
AIR INTAKE
INDOOR UNIT OUTLINE
244
160
118
TUBING WALL OPENING
(FOR REAR LEFT ROUTING)
670
41
40
TUBING WALL OPENING
(FOR REAR ROUTING)
380
52
80
141
MOUNTING TEMPLATE
TO BE USED FOR LOCATION
OF INDOOR UNIT ON THE WALL
58
Min50
306
46
CEILING

4-2
OUTLINE DIMENSIONS
SM DUO38I 1-A.2 GB
4.3 Outdoor Unit: DUO 38 DCI

5-1
PERFORMANCE DATA
SM DUO38I 1-A.2 GB
5. PERFORMANCE DATA
5.1 WDI 7-7 DCI
5.1.1 Cooling Capacity (kW) - Run Mode (Unit A or B)
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [0C]
OD COIL ENTERING AIR
DB TEMPERATURE [0C] DATA 22/15
24/17 27/19 29/21 32/23
-10 - 20 (protection range)
TC 80 - 110 % of nominal
SC 80 - 105 % of nominal
PI 25 - 50 % of nominal
25
TC 1.98 2.10 2.22 2.33 2.45
SC 1.53 1.57 1.61 1.64 1.68
PI 0.39 0.40 0.41 0.42 0.43
30
TC 1.80 1.92 2.03 2.15 2.26
SC 1.46 1.49 1.53 1.56 1.60
PI 0.44 0.45
0.45 0.46 0.47
35
TC 1.62 1.73
1.85 1.97 2.08
SC 1.38 1.41 1.45 1.49 1.52
PI 0.48 0.49
0.50 0.51 0.52
40
TC 80%-92% of nominal
SC 80%-92% of nominal
PI 80%-100% of nominal
46
TC 70%-85% of nominal
SC 70%-85% of nominal
PI 90%-100% of nominal
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
OD – Outdoor
5.1.2 Capacity Correction Factors
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ratio
n

5-2
PERFORMANCE DATA
SM DUO38I 1-A.2 GB
5.1.3 Heating Capacity (kW) - Run Mode(Unit A or B)
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB TEMPERATURE [C0]
OD COIL ENTERING AIR
DB/WB TEMPERATURE
[C0]
DATA 15 20 25
-15/-16 TC 1.15 1.07 1.00
PI 0.38 0.44 0.49
-10/-12 TC 1.37 1.30 1.23
PI 0.44 0.50 0.55
-7/-8 TC 1.54 1.47 0.55
PI 0.49 0.54 0.60
-1/-2 TC 1.63 1.56 1.49
PI 0.51 0.56 0.62
2/1 TC 1.68 1.61 1.54
PI 0.52 0.58 0.63
7/6 TC 2.22 2.15 2.08
PI 0.54 0.60 0.66
10/9 TC 2.31 2.24 2.17
PI 0.57 0.63 0.68
15/12 TC 2.40 2.33 2.26
PI 0.60 0.65 0.71
15-24 TC 85 - 105 % of nominal
(Protection Range) PI 80 - 120 % of nominal
LEGEND
TC – Total Cooling Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OD – Outdoor
5.1.4 Capacity Correction Factors
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Ration

5-3
PERFORMANCE DATA
SM DUO38I 1-A.2 GB
5.2 WDI 9-9 DCI
5.2.1 Cooling Capacity (kW) - Run Mode (Unit A or B)
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [0C]
OD COIL ENTERING
AIRDB TEMPERATURE
[oC]
DATA 22/15
24/17 27/19 29/21 32/23
-10 - 20 (protection range)
TC 80 - 110 % of nominal
SC 80 - 105 % of nominal
PI 25 - 50 % of nominal
25
TC 2.09 2.21 2.34 2.46 2.58
SC 1.64 1.68 1.72 1.76 1.80
PI 0.43 0.44 0.45 0.46 0.47
30
TC 1.90 2.02 2.14 2.27 2.39
SC 1.56 1.59 1.63 1.67 1.71
PI 0.48 0.49 0.50 0.51 0.52
35
TC 1.71 1.83 1.95 2.07 2.19
SC 1.47 1.51 1.55 1.59 1.63
PI 0.53 0.54 0.55 0.56 0.57
40 (protection range
TC 80%-92% of nominal
SC 80%-92% of nominal
PI 80%-100% of nominal
46 (protection range
TC 70%-85% of nominal
SC 70%-85% of nominal
PI 90%-100% of nominal
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
OD – Outdoor
5.2.2 Capacity Correction Factors
Cooling Capacity Ratio Vs. Outdoor Temperature
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ration

5-4
PERFORMANCE DATA
SM DUO38I 1-A.2 GB
5.2.3 Heating Capacity (kW) - Run Mode(Unit A or B)
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB TEMPERATURE [0C]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [0C]
DATA 15 20 25
-15/-16 TC 1.20 1.12 1.05
PI 0.41 0.47 0.53
-10/-12 TC 1.44 1.36 1.29
PI 0.47 0.53 0.59
-7/-8 TC 1.61 1.54 1.47
PI 0.52 0.58 0.64
-1/-2 TC 1.70 1.63 1.55
PI 0.54 0.60 0.66
2/1 TC 1.76 1.69 1.61
PI 0.56 0.62 0.68
7/6 TC 2.32 2.25 2.18
PI 0.58 0.64 0.70
10/9 TC 2.42 2.34 2.27
PI 0.61 0.67 0.73
15/12 TC 2.51 2.43 2.36
PI 0.64 0.69 0.75
15-24 TC 85 - 105 % of nominal
(Protection Range) PI 80 - 120 % of nominal
LEGEND
TC – Total Cooling Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OD – Outdoor
1.3.4 Capacity Correction Factors
Heating Capacity Ratio Vs. Outdoor Temperature
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Ration

5-5
PERFORMANCE DATA
SM DUO38I 1-A.2 GB
5.3 WDI 9-12
5.3.1 Cooling Capacity (kW) - Run Mode(Unit A or B)
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [OC]
OD COIL
ENTERING AIR DB
TEMPERATURE [OC]
DATA 22/15 24/17 27/19 29/21 32/23
-10 - 20 (protection
range)
TC 80 - 110 % of nominal
SC 80 - 105 % of nominal
PI 25 - 50 % of nominal
25
TC 3.27 3.46 3.65 3.84 4.04
SC 2.22 2.27 2.33 2.38 2.43
PI 0.67 0.68 0.70 0.71 0.72
30
TC 2.97 3.16 3.35 3.54 3.73
SC 2.11 2.16 2.21 2.27 2.32
PI 0.75 0.76
0.77 0.79 0.80
35
TC 2.67 2.86
3.05 3.24 3.43
SC 1.99 2.05 2.10 2.15 2.21
PI 0.82 0.84
0.85 0.86 0.88
40
TC 80%-92% of nominal
SC 80%-92% of nominal
PI 80%-100% of nominal
46
TC 70%-85% of nominal
SC 70%-85% of nominal
PI 90%-100% of nominal
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
OD – Outdoor
5.3.2 Capacity Correction Factors
Cooling Capacity Ratio Vs. Outdoor Temperature
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ration

5-6
PERFORMANCE DATA
SM DUO38I 1-A.2 GB
5.3.3 Heating Capacity (kW) - Run Mode(Unit A or B)
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB TEMPERATURE [0C]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [0C]
DATA 15 20 25
-15/-16 TC 1.73 1.62 1.52
PI 0.59 0.67 0.76
-10/-12 TC 2.07 1.97 1.86
PI 0.68 0.76 0.85
-7/-8 TC 2.33 2.22 2.12
PI 0.75 0.83 0.91
-1/-2 TC 2.46 2.35 2.25
PI 0.78 0.86 0.95
2/1 TC 2.55 2.44 2.33
PI 0.80 0.89 0.97
7/6 TC 3.36 3.25 3.14
PI 0.84 0.92 1.00
10/9 TC 3.49 3.38 3.28
PI 0.87 0.96 1.04
15/12 TC 3.62 3.52 3.41
PI 0.91 1.00 1.08
15-24 TC 85 - 105 % of nominal
(Protection Range) PI 80 - 120 % of nominal
LEGEND
TC – Total Cooling Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OD – Outdoor
5.3.4 Capacity Correction Factors
Cooling Capacity Ratio Vs. Outdoor Temperature
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ration

5-7
PERFORMANCE DATA
SM DUO38I 1-A.2 GB
5.4 Capacity Correction Factor Due to Tubing Length
(OneWay)
5.4.1 WDI 7 / 9 / 12 DCI
5.4.2 Cooling
Capacity Ratio VS.Tubing Length - Cooling
0.88
0.90
0.92
0.94
0.96
0.98
1.00
1.02
4 6 8 10 12 14 16 18 20 22 24 26 28 30
Tubing Length [m]
Capacity Ratio
5.4.3 Heating
Capacity Ratio VS. Tubing Length - Heating
0.88
0.90
0.92
0.94
0.96
0.98
1.00
1.02
4 6 8 10 12 14 16 18 20 22 24 26 28 30
Tubing Length [m]
Capacity Ratio

6-1
PRESSURE CURVES
SM DUO38I 1-A.2 GB
6. PRESSURE CURVES
6.1 Model: WDI 7-7, WDI 9-9 DUO 38 DCI
6.1.1 Cooling – Test Mode
Suction Pressure VS.Outdoor Temp'.
700
800
900
1000
1100
1200
1300
1400
10 15 20 25 30 35 40 45
Outdoor DB Temperature [ºC]
Suction Pressure [kPa]
22/15
24/17
27/19
29/21
32/23
Indoor DB/WB
Temp'.
Discharge Pressure VS. Outdoor Temp'.
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
10 15 20 25 30 35 40 45
Outdoor DB Temperature [ºC]
Discharge Pressure [kPa]
22/15
24/17
27/19
29/21
32/23
Indoor DB/WB
Temp'.

6-2
PRESSURE CURVES
SM DUO38I 1-A.2 GB
6.1.2 Heading – Test Mode
Suction Pressure VS.Outdoor Temp'.
400
500
600
700
800
900
1000
1100
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [ºC]
Suction Pressure [kPa]
15
20
25
Indoor DB
Temp'.
Discharge Pressure VS. Outdoor Temp'.
1500
1750
2000
2250
2500
2750
3000
3250
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [ºC]
Discharge Pressure [kPa]
15
20
25
Indoor DB
Temp'.

6-3
PRESSURE CURVES
SM DUO38I 1-A.2 GB
6.2 Model: WDI 9-12 DUO 38 DCI
6.2.1 Cooling – Test Mode
Suction Pressure VS.Outdoor Temp'.
700
800
900
1000
1100
1200
10 15 20 25 30 35 40 45
Outdoor DB Temperature [ºC]
Suction Pressure [kPa]
22/15
24/17
27/19
29/21
32/23
Indoor DB/WB
Temp'.
Discharge Pressure VS. Outdoor Temp'.
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
4000
10 15 20 25 30 35 40 45
Outdoor DB Temperature [ºC]
Discharge Pressure [kPa]
22/15
24/17
27/19
29/21
32/23
Indoor DB/WB
Temp'.