Airwell Trio Dakota 5.2 DCI User manual

TRIO DAKOTA 5.2 DCI
Indoor Units Outdoor Units
DAKOTA WDI 7 TRIO DAKOTA 5.2 DCI
DAKOTA WDI 9
DAKOTA WDI 12
JUNE – 2009
REFRIGERANT
R410A HEAT PUMP
SM TRIO52 1-A.2 GB
CONTENTS

A
LIST OF EFFECTIVE PAGES
SM TRIO52 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 ........ May 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 ........................ 2
4-1 - 4-2................ 1
5-1 - 5-6................ 1
6-1 - 6-6................ 1
7-1 ........................ 2
8-1 ........................ 1
9-1 ........................ 1
10-1 ...................... 1
11-1-11-15............. 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
CONTENTS

i
TABLE OF CONTENTS
SM TRIO52 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 TRIO52 1-A.2 GB
1. INTRODUCTION
1.1 General
The new Trio 5.2 DAKOTA 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 (Aclass energy rating)
 Pre-Charged
 Base heater connection.
 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
OUTDOOR UNITS
INDOOR UNITS
MODEL REFRIGERANT WDI 7 DCI WDI 9 DCI WDI 12 DCI
Trio 5.2 DAKOTA
DCI R410A √√ √
CONTENTS

2-1
PRODUCT DATA SHEET
SM TRIO52 1-A.2 GB
2. PRODUCT DATA SHEET
2.1 Outdoor Unit: TRIO DAKOTA 5.2kw DCI
Model TRIO DAKOTA 5.2kw DCI R410A
Operation Mode Cooling Heating
Capacity Btu/hr 17747(2389~22184) 22525(3413~29914)
W5200 (1000~6500) 6600(1000~7300
Total Input W 1550(450~2150) 1800(450~1900)
E.E.R (Cooling) / C.O.P (Heating) W/W 3.35 3.67
Energy efficienty class A A
Running Current (3) A 6.7 7.8
Starting Current A 10.5
Inrush Current A 35.0
Power Supply V/Ph/Hz 220-240/1/50/60
Dehumidification L/h 1.7
OUTDOOR UNIT
Refrigerant control Electronic expansion valve
Compressor type Scroll DC Inverter
Model Panasonic 5CS130XCC03
Starter type ---
Protection device Outdoor SW control
Heat exchanger Hydrophilic flat fin, Grooved tube coil
Fan x No. Propeller x 1
Airflow m3/hr 2860
Motor output W 70
Defrost method Reverse cycle
Noise level (4) Pressure dB(A) 50 56
Power 63 67
Dimensions W*H*D mm 846*690*302
Weight Kg 48
Package W*H*D mm 990X770X430
Unit stacking # 3
TUBING
Refrigerant Charge Kg R410A
Charge (7.5m connection tube) g 1850
Fresh Air NO
Tube size
O.D. Liquid mm 6.35
Suction mm 9.5
Connection
method
between the
indoor and
outdoor units
Indoor & outdoor Flared
Height difference between indoor units Max.5m
Height difference between indoor &
outdoor Max.5m
Tubing length Standard 7.5m Max. 25m for one unit and 35m for
total
Additional charge No need
CONTENTS

2-2
PRODUCT DATA SHEET
SM TRIO52 1-A.2 GB
2.2 Indoor Units Data
2.2.1 DAKOTA 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 DAKOTA 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.
CONTENTS

2-3
PRODUCT DATA SHEET
SM TRIO52 1-A.2 GB
2.2.3 DAKOTA 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.
CONTENTS

2-4
PRODUCT DATA SHEET
SM TRIO52 1-A.2 GB
2.3 Indoor Units Combinations
2.3.1 Cooling
Model Cooling Capacity [W] Total Power[W]
ABCTotal Capacity
7 2200 - - 2200(1050-2600) 645(450-750)
9 2500 - - 2500(1100-3500) 740(510-1040)
12 3500 - - 3500(1200-4200) 1020(510-1250)
7+7 2000 2000 - 4000(1400-5100) 1170(520-1500)
7+9 2000 2150 - 4150(1450-5200) 1220(530-1530)
7+12 2000 3000 - 5000(1720-6200) 1450(610-1910)
9+9 2150 2150 - 4300(1710-6200) 1250(610-1910)
9+12 2150 3000 - 5150(1710-6280) 1510(600-1930)
12+12 3000 3000 - 6000(1800-6400) 1720(635-2110)
7+7+7 1700 1700 1700 5100(1860-6420) 1500(636-2000)
7+7+9 1700 1700 1730 5130(1870-6420) 1510(636-2000)
7+7+12 1700 1700 2600 6000(1870-6450) 1720(635-2110)
7+9+9 1700 1730 1730 5160(1870-6450) 1500(635-2110)
7+9+12 1700 1730 2600 6030(1880-6450) 1730(640-2115)
9+9+9 1730 1730 1740 5200(1860-6440) 1550(640-2020)
9+9+12 1730 1730 2600 6060(1880-6500) 1740(640-2130)
2.3.2 Heating
Model Heating Capacity [W] Total Power[W]
ABC Total Capacity
7 2600 - - 2600(1200-3000) 708(450-800)
9 3000 - - 3000(1200-3500) 795(450-920)
12 4200 - - 4200(1200-4500) 1080(510-1160)
7+7 2500 2500 - 5000(1600-6000) 1280(460-1560)
7+9 2500 2650 - 5150(1600-6150) 1300(460-1560)
7+12 2500 3350 - 5850(2000-7100) 1420(510-1920)
9+9 2650 2650 - 5300(1800-6500) 1350(480-1600)
9+12 2650 3350 - 6000(2000-7100) 1450(510-1920)
12+12 3350 3350 - 6700(2100-7150) 1700(515-1930)
7+7+7 2100 2100 2100 6300(2100-7220) 1665(525-1980)
7+7+9 2100 2100 2200 6400(2100-7250) 1670(525-1980)
7+7+12 2100 2100 3020 7220(2120-7260) 1870(530-2000)
7+9+9 2100 2200 2200 6500(2120-7260) 1680(635-2000)
7+9+12 2100 2200 3020 7320(2130-7560) 1660(640-2105)
9+9+9 2200 2200 2200 6600(2120-7260) 1800(640-2000)
9+9+12 2200 2200 3020 7420(2200-7600) 1910(640-2110)
CONTENTS

3-1
RATING CONDITIONS
SM TRIO52 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: 35oC 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
CONTENTS

4-1
OUTLINE DIMENSIONS
SM TRIO52 1-A.2 GB
4. OUTLINE DIMENSIONS
4.1 Indoor Unit: DAKOTA WDI 7 / 9 DCI
4.2 Indoor Unit: DAKOTA WDI 12 DCI
CONTENTS

4-2
OUTLINE DIMENSIONS
SM TRIO52 1-A.2 GB
4.3 Outdoor Unit: TRIO DAKOTA 5.2 DCI
CONTENTS

5-1
PERFORMANCE DATA
SM TRIO52 1-A.2 GB
5. PERFORMANCE DATA
5.1 TRIO DAKOTA 9+9+9
5.1.1 Cooling Capacity (kW) - Run Mode
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [C0]
OD COIL ENTERING AIR
DB TEMPERATURE [C0]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 5.58 5.90 6.23 6.56 6.88 SC 4.84 4.95 5.07 5.19 5.30
PI 1.22 1.24 1.27 1.29 1.32
30 TC 5.06 5.39 5.71 6.04 6.37
SC 4.59 4.71 4.82 4.94 5.05
PI 1.36 1.38 1.41 1.43 1.46
35 TC 4.55 4.87 5.20 5.53 5.85 SC 4.35 4.46 4.58 4.69 4.81
PI 1.50 1.52 1.55 1.58 1.60
40(Protection Range) TC 80%-92% of nominal SC 80%-92% of nominal
PI 80%-92% 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
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OD – Outdoor
SC – Sensible Capacity, kW
5.1.2 Capacity Correction Factors
Cooling Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.30
1.40
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ratio
CONTENTS

5-2
PERFORMANCE DATA
SM TRIO52 1-A.2 GB
5.1.3 Heating Capacity (kW) - Run Mode
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 3.52 3.30 3.08
PI 1.15 1.32 1.48
-10/-12 TC 4.21 3.99 3.78
PI 1.33 1.49 1.66
-7/-8 TC 4.73 4.52 4.30
PI 1.46 1.62 1.79
-1/-2 TC 5.00 4.78 4.56
PI 1.52 1.69 1.86
2/1 TC 5.17 4.95 4.73
PI 1.57 1.73 1.90
7/6 TC 6.82 6.60 6.38
PI 1.63 1.80 1.97
10/9 TC 7.09 6.87 6.65
PI 1.71 1.88 2.04
15/12 TC 7.36 7.14 6.92
PI 1.79 1.95 2.12
15-24 TC 85 - 105 % of nominal
(Protection Range) PI 80 - 120 % of nominal
LEGEND
TC – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OU – Outdoor
5.1.4 Capacity Correction Factors
Heating Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Ratio
CONTENTS

5-3
PERFORMANCE DATA
SM TRIO52 1-A.2 GB
5.2 TRIO DAKOTA 9+9+12
5.2.1 Cooling Capacity (kW) - Run Mode
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [C0]
OD COIL
ENTERING AIR DB
TEMPERATURE [C0]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 6.50 6.88 7.26 7.64 8.02 SC 5.64 5.77 5.91 6.04 6.18
PI 1.37 1.40 1.42 1.45 1.48
30 TC 5.90 6.28 6.66 7.04 7.42 SC 5.35 5.49 5.62 5.76 5.89
PI 1.53 1.55 1.58 1.61 1.64
35 TC 5.30 5.68 6.06 6.44 6.82 SC 5.06 5.20 5.33 5.47 5.60
PI 1.68 1.71 1.74 1.77 1.80
40(Protection Range) TC 80%-92% of nominal SC 80%-92% of nominal
PI 80%-92% 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
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OD – Outdoor
SC – Sensible Capacity, kW
5.2.2 Capacity Correction Factors
Cooling Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.30
1.40
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ratio
CONTENTS

5-4
PERFORMANCE DATA
SM TRIO52 1-A.2 GB
5.2.3 Heating Capacity (kW) - Run Mode
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 3.95 3.71 3.46
PI 1.22 1.40 1.57
-10/-12 TC 4.74 4.49 4.25
PI 1.41 1.58 1.76
-7/-8 TC 5.32 5.08 4.83
PI 1.55 1.72 1.90
-1/-2 TC 5.62 5.37 5.13
PI 1.62 1.79 1.97
2/1 TC 5.81 5.57 5.32
PI 1.66 1.84 2.02
7/6 TC 7.66 7.42 7.18
PI 1.73 1.91 2.09
10/9 TC 7.97 7.73 7.48
PI 1.82 1.99 2.17
15/12 TC 8.27 8.03 7.79
PI 1.90 2.07 2.25
15-24 TC 85 - 105 % of nominal
(Protection Range) PI 80 - 120 % of nominal
LEGEND
TC – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OU – Outdoor
5.2.4 Capacity Correction Factors
Heating Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Ratio
CONTENTS

5-5
PERFORMANCE DATA
SM TRIO52 1-A.2 GB
5.3 TRIO DAKOTA 12+12
5.3.1 Cooling Capacity (kW) - Run Mode
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [C0]
OD COIL
ENTERING AIR DB
TEMPERATURE [C0]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 6.44 6.81 7.19 7.56 7.94 SC 5.58 5.72 5.85 5.98 6.12
PI 1.35 1.38 1.41 1.43 1.46
30 TC 5.84 6.22 6.59 6.97 7.35 SC 5.30 5.43 5.57 5.70 5.83
PI 1.51 1.54 1.56 1.59 1.62
35 TC 5.25 5.62 6.00 6.38 6.75 SC 5.01 5.15 5.28 5.41 5.55
PI 1.66 1.69 1.72 1.75 1.78
40(Protection Range) TC 80%-92% of nominal SC 80%-92% of nominal
PI 80%-92% 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
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OD – Outdoor
SC – Sensible Capacity, kW
5.3.2 Capacity Correction Factors
Cooling Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.30
1.40
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ratio
CONTENTS

5-6
PERFORMANCE DATA
SM TRIO52 1-A.2 GB
5.3.3 Heating Capacity (kW) - Run Mode)
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 3.57 3.35 3.13
PI 1.09 1.24 1.40
-10/-12 TC 4.28 4.05 3.83
PI 1.25 1.41 1.57
-7/-8 TC 4.81 4.59 4.36
PI 1.38 1.53 1.69
-1/-2 TC 5.07 4.85 4.63
PI 1.44 1.60 1.75
2/1 TC 5.25 5.03 4.81
PI 1.48 1.64 1.79
7/6 TC 6.92 6.70 6.48
PI 1.54 1.70 1.86
10/9 TC 7.20 6.98 6.75
PI 1.62 1.77 1.93
15/12 TC 7.47 7.25 7.03
PI 1.69 1.84 2.00
15-24 TC 85 - 105 % of nominal
(Protection Range) PI 80 - 120 % of nominal
LEGEND
TC – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OU – Outdoor
5.3.4 Capacity Correction Factors
Heating Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Ration
CONTENTS

5-7
PERFORMANCE DATA
SM TRIO52 1-A.2 GB
5.4 Capacity Correction Factor Due to Tubing Length
(OneWay)
5.4.1 DAKOTA WDI 7 / 9 / 12 DCI
5.4.2 Cooling
Capacity Ratio Vs.Tubing Length - Cooling
0.92
0.93
0.94
0.95
0.96
0.97
0.98
0.99
1.00
1.01
4 6 8 10 12 14 16 18 20 22 24 26 28 30
Tubing Lenght [m]
Capacity Ratio
5.4.3 Heating
Capacity Ratio Vs.Tubing Length - Cooling
0.92
0.93
0.94
0.95
0.96
0.97
0.98
0.99
1.00
1.01
4 6 8 10 12 14 16 18 20 22 24 26 28 30
Tubing Lenght [m]
Capacity Ratio
CONTENTS

6-1
PRESSURE CURVES
SM TRIO52 1-A.2 GB
6. PRESSURE CURVES
6.1 Model: Trio DAKOTA WDI 9+9+9
6.1.1 Cooling – Test Mode
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
Tem
p
'.
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
Tem
p
'.
CONTENTS

6-2
PRESSURE CURVES
SM TRIO52 1-A.2 GB
6.1.2 Heating – 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]
DischargePressure[kPa]
15
20
25
Indoor DB
Temp'.
CONTENTS