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Trio Delta 5.2
Service Manual
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Electra Trio Delta 5.2 Service Manual

TRIO DELTA 5.2
Indoor Units Outdoor Units
DELTA 22 DELTA 25 DELTA 35
TRIO Delta 5.2 DCI
SM TRIO52 1-E.1 GB
REFRIGERANT
R410A HEAT PUMP
OCTOBER – 2008

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.
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.
Title ....................... 1
A ........................... 1
i ............................. 1
1-1 ........................ 1
2-1 - 2-4 ................ 1
3-1 ........................ 1
4-1 - 4-2 ................ 1
5-1 - 5-6 ................ 1
6-1 - 6-6 ................ 1
7-1 ........................ 1
8-1 ........................ 1
9-1 ........................ 1
10-1 ...................... 1
11-1-11-15 ............. 1
12-1-12-6 .............. 1
13-1-13-2 .............. 1
Appendix -A ...........1
Revision No. #
Page No.
Revision No. #
Page No.
Revision No. #
• 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
A
SM TRIO52 1- E.1 GB

TABLE OF CONTENTS

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
SM TRIO52 1- E.1 GB
i
1. INTRODUCTION
1.1 General
The new Trio 5.2 Delta 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.
• 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

INTRODUCTION

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
MODEL REFRIGERANT DELTA 22 DCI DELTA 25 DCI DELTA 35 DCI
INDOOR UNITS
SM TRIO52 1- E.1 GB
Trio 5.2 Delta DCI R410A
√√ √
1-1

PRODUCT DATA SHEET

2. PRODUCT DATA SHEET
2.1 Outdoor Unit TRIO 5.2 Delta Specifications.
Model TRIO Delta 5.2kw DCI R410A
Operation Mode Cooling Heating
Capacity
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 Starting Current A 10.5
Inrush Current A 35.0 Power Supply V/Ph/Hz Single Phase / 50Hz / 230V Dehumidification L/h 1.7
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 m Motor output W 70 Defrost method Reverse cycle
OUTDOOR UNIT
Noise level
Dimensions W*H*D mm 846*690*302 Weight Kg 48 Package W*H*D mm 990X770X430 Unit stacking # 3 Refrigerant Charge Kg R410A Charge (7.5m connection tube) g 1850 Fresh Air NO Tube size
O.D.
Connection
TUBING
method between the indoor and outdoor units
(3)
(4)
Indoor & outdoor Flared Height difference between indoor units Max.5m
Height difference between indoor & outdoor
Tubing length
Additional charge No need
Pressure
Power 63 67
Liquid mm 6.35
Suction mm 9.5
Btu/hr 17747(2389~22184) 22525(3413~29914)
W 5200 (1000~6500) 6600(1000~7300
A6.7 7.8
3
/hr 2860
dB(A)
Standard 7.5m Max. 25m for one unit and 35m for
50 56
Max.5m
total
SM TRIO52 1- E.1 GB
2-1
PRODUCT DATA SHEET
2.2 Indoor Units Data
2.2.1 DELTA 22 DCI Specifications
Model Indoor Unit / Type DELTA 22 DCI / Wall Mounted
Installation Method FLARE Power Supply V/Ph/Hz 220-240 / 1/ 50
Fan Type & Quantity Crossflow *1
(2)
Airflow Cooling / Heating
Sound Power Level Cooling / Heating
Sound Pressure Level Cooling / Heating
INDOOR
(3)
(4)
H/M/L m
L - H dB (A) 49/46/43
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
3
/hr 400 350 300
2.2.2 DELTA 25 DCI Specifications
Model Indoor Unit / Type DELTA 25 DCI / Wall Mounted
Installation Method FLARE Power Supply V/Ph/Hz 220-240 / 1/ 50
Fan Type & Quantity Crossflow *1
(2)
Airflow Cooling / Heating Sound Power Level
(3)
Cooling / Heating Sound Pressure Level Cooling / Heating
INDOOR
Condensate Drain Tube I.D. mm 16
(4)
H/M/L m
L - H dB (A) 52/48/45
L - H dB (A) 39/35/32
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.
3
/hr 420 350 270
2-2
SM TRIO52 1- E.1 GB
PRODUCT DATA SHEET
2.2.3 DELTA 35 DCI Specifications
Model Indoor Unit / Type DELTA 35 DCI / Wall Mounted
Installation Method FLARE
Power Supply V/Ph/Hz 220-240 / 1/ 50
Fan Type & Quantity Crossflow *1
(2)
Airflow
Cooling / Heating
Sound Power Level
(3)
Cooling / Heating
(4)
Sound Pressure Level
Cooling / Heating
INDOOR
Condensate Drain Tube I.D. mm 16
H/M/L m
L - H dB (A) 56/46/42
L - H dB (A) 39/33/29
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
3
/hr 550 450 350
(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.
SM TRIO52 1- E.1 GB
2-3
PRODUCT DATA SHEET
2.3 Indoor Units Combinations
2.3.1 Cooling
Model
22 2200 - - 2200(1050-2600) 645(450-750) 25 2500 - - 2500(1100-3500) 740(510-1040)
35 3500 - - 3500(1200-4200) 1020(510-1250) 22+22 2000 2000 - 4000(1400-5100) 1170(520-1500) 22+25 2000 2150 - 4150(1450-5200) 1220(530-1530) 22+35 2000 3000 - 5000(1720-6200) 1450(610-1910) 25+25 2150 2150 - 4300(1710-6200) 1250(610-1910) 25+35 2150 3000 - 5150(1710-6280) 1510(600-1930) 35+35 3000 3000 - 6000(1800-6400) 1720(635-2110)
22+22+22 1700 1700 1700 5100(1860-6420) 1500(636-2000) 22+22+25 1700 1700 1730 5130(1870-6420) 1510(636-2000) 22+22+35 1700 1700 2600 6000(1870-6450) 1720(635-2110) 22+25+25 1700 1730 1730 5160(1870-6450) 1500(635-2110) 22+25+35 1700 1730 2600 6030(1880-6450) 1730(640-2115) 25+25+25 1730 1730 1740 5200(1860-6440) 1550(640-2020) 25+25+35 1730 1730 2600 6060(1880-6500) 1740(640-2130)
ABCTotal Capacity
Cooling Capacity [W]
Total Power[W]
2.3.2 Heating
Model
ABC Total Capacity
22 2600 - - 2600(1200-3000) 708(450-800)
25 3000 - - 3000(1200-3500) 795(450-920)
35 4200 - - 4200(1200-4500) 1080(510-1160) 22+22 2500 2500 - 5000(1600-6000) 1280(460-1560) 22+25 2500 2650 - 5150(1600-6150) 1300(460-1560) 22+35 2500 3350 - 5850(2000-7100) 1420(510-1920) 25+25 2650 2650 - 5300(1800-6500) 1350(480-1600) 25+35 2650 3350 - 6000(2000-7100) 1450(510-1920) 35+35 3350 3350 - 6700(2100-7150) 1700(515-1930)
22+22+22 2100 2100 2100 6300(2100-7220) 1665(525-1980) 22+22+25 2100 2100 2200 6400(2100-7250) 1670(525-1980) 22+22+35 2100 2100 3020 7220(2120-7260) 1870(530-2000) 22+25+25 2100 2200 2200 6500(2120-7260) 1680(635-2000) 22+25+35 2100 2200 3020 7320(2130-7560) 1660(640-2105) 25+25+25 2200 2200 2200 6600(2120-7260) 1800(640-2000) 25+25+35 2200 2200 3020 7420(2200-7600) 1910(640-2110)
Heating Capacity [W]
Total Power[W]
2-4
SM TRIO52 1- E.1 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
Upper limit 32
Cooling
Lower limit 21 Upper limit 27
Heating
Lower limit 10oC DB -15oC DB -16oC WB

RATING CONDITIONS

Indoor Outdoor
o
C DB 23oC WB 46oC DB
o
C DB 15oC WB 10oC DB
o
C DB 24oC DB 18oC WB
Voltage
1PH 198 – 264 V 3PH N/A
SM TRIO52 1- E.1 GB
3-1
4. OUTLINE DIMENSIONS
4.1 Indoor Unit: DELTA 22 / 25 DCI

OUTLINE DIMENSIONS

4.2
Indoor Unit: DELTA 35 DCI
SM TRIO52 1- E.1 GB
4-1
OUTLINE DIMENSIONS
4.3 Outdoor Unit: Trio Delta 5.2 DCI
4-2
SM TRIO52 1- E.1 GB
5. PERFORMANCE DATA
5.1 TRIO DELTA 25+25+25
5.1.1 Cooling Capacity (kW) - Run Mode
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [C0]

PERFORMANCE DATA

OD COIL ENTERING AIR
DB TEMPERATURE [C0]
-10 - 20
(protection range)
25
30
35
40(Protection Range)
46(Protection Range)
DATA 22/15 24/17 27/19 29/21 32/23
TC 80 - 110 % of nominal SC 80 - 105 % of nominal
PI 25 - 50 % of nominal 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 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 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 TC 80%-92% of nominal SC 80%-92% of nominal
PI 80%-92% of nominal 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
o
WB – Wet Bulb Temp., (
C) 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
1.40
1.30
1.20
1.10
1.00
0.90
0.80
Capacity Ratio
0.70
0.60
0.50 20 25 30 35 40 45
Outdoor Temperature [deg C]
SM TRIO52 1- E.1 GB
5-1
PERFORMANCE DATA
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
-10/-12
-7/-8
-1/-2
2/1
7/6
10/9
15/12
TC 3.52 3.30 3.08
PI 1.15 1.32 1.48
TC 4.21 3.99 3.78
PI 1.33 1.49 1.66
TC 4.73 4.52 4.30
PI 1.46 1.62 1.79
TC 5.00 4.78 4.56
PI 1.52 1.69 1.86
TC 5.17 4.95 4.73
PI 1.57 1.73 1.90
TC 6.82 6.60 6.38
PI 1.63 1.80 1.97
TC 7.09 6.87 6.65
PI 1.71 1.88 2.04
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
1.20
1.10
1.00
0.90
0.80
0.70
Capacity Ratio
0.60
0.50
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
5-2
SM TRIO52 1- E.1 GB
5.2 Delta Trio 25+25+35
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]
-10 - 20
(protection range)
25
30
35
40(Protection Range)
46(Protection Range)
DATA 22/15 24/17 27/19 29/21 32/23
TC 80 - 110 % of nominal SC 80 - 105 % of nominal
PI 25 - 50 % of nominal 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 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 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 TC 80%-92% of nominal SC 80%-92% of nominal
PI 80%-92% of nominal TC 70%-85% of nominal SC 70%-85% of nominal
PI 90%-100% of nominal
PERFORMANCE DATA
LEGEND
TC – Total Cooling Capacity, kW PI – Power Input, kW
o
WB – Wet Bulb Temp., (
C) 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
1.40
1.30
1.20
1.10
1.00
0.90
0.80
Capacity Ratio
0.70
0.60
0.50 20 25 30 35 40 45
Outdoor Temperature [deg C]
SM TRIO52 1- E.1 GB
5-3
PERFORMANCE DATA
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 [C
DATA 15 20 25
0
]
-15/-16
-10/-12
-7/-8
-1/-2
2/1
7/6
10/9
15/12
TC 3.95 3.71 3.46
PI 1.22 1.40 1.57
TC 4.74 4.49 4.25
PI 1.41 1.58 1.76
TC 5.32 5.08 4.83
PI 1.55 1.72 1.90
TC 5.62 5.37 5.13
PI 1.62 1.79 1.97
TC 5.81 5.57 5.32
PI 1.66 1.84 2.02
TC 7.66 7.42 7.18
PI 1.73 1.91 2.09
TC 7.97 7.73 7.48
PI 1.82 1.99 2.17
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
1.20
1.10
1.00
0.90
0.80
0.70
Capacity Ratio
0.60
0.50
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
5-4
SM TRIO52 1- E.1 GB
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