Electra TRIO 72 DCI User manual

Service Manual
Multi Split Trio Quattro DCI
REFRIGERANT
R410A
HEAT PUMP
JUNE 2005
Indoor Units Outdoor Units
WNG 25 DCI INV
TRIO 72 DCI
QUTTRO 80 DCI
WNG 35 DCI INV
WNG 50 DCI INV
K 25 DCI INV
K 35 DCI INV
K 50 DCI INV
PXD 25 DCI INV
PXD 35 DCI INV
PXD 50 DCI INV
LS 35 DCI INV
CONTENT

A
LIST OF EFFECTIVE PAGES
Revision Y05-01 Service Manual - Trio_Quattro DCI
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 ........ June 2005
Total number of pages in this publication is 107 consisting of the following:
Page
No.
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No. #
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No.
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No. #
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Appendix -A ...........0
• 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
CONTENT

i
TABLE OF CONTENTS
Revision Y05-01Service Manual - Trio_Quattro DCI
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
Revision Y05-01Service Manual - Trio_Quattro DCI
1. INTRODUCTION
1.1 General
The Trio/Quattro DCI Multi series is a full line multi-tubing system with 3 to 4 connected indoor
units. The multi-split inverter is a high level technology product for residential and commercial
application offering comfort, low noise operation and energy saving.
1.2 Main Features
1.2.1 High Technology
• Sine wave form in both OFAN and Compressor drives.
• DC-BL-SL (Sensor less) Inverter Compressor drive.
• DC-BL Inverter OFAN drive in the controller.
• DSP Power (Digital Signal Processing) – High speed calculation for accurate Sine wave
form vector control.
• Smart PFC control.
• Fuzzy Logic Control
1.2.2 System Features
• R410A
• High COP (“A” class energy rating)
• Low noise levels
• IAQ (Indoor Air Quality) features (WNG series)
• Lego concept - Products line of wall mounted, floor/ceiling, cassette, ducted with capacity
models of 2.5, 3.5 and 5.0 kW.
• Networking connectivity.
• Pre-charged system.
• Dry contact inputs:
o STBY
o Night (in cool mode only)
o Power Shedding
o Forced Mode operation
• Dry contact output – Alarm.
• Ready for Base heater connection and logic.
• Cooling operation at outdoor temperature down to -100C.
• Heating operation at outdoor temperature down to -150C.
• HMI Display Board (Human-Machine Interface) – 3x7-segment display shows both indoor
and outdoor diagnostics and setting up features.
• Monitoring softwear(PC port).
• EEV (Electronic Expansion Valve) for each indoor unit.
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.
CONTENT

1-2
INTRODUCTION
Revision Y05-01 Service Manual - Trio_Quattro DCI
1.5 Matching Table
R410A
OUTDOOR UNITS
DCI INDOOR UNITS
MODEL REFRIGER. WNG 25/35/50 K 25/35/50 PXD 25/35/50 LS 35
Trio 72 DCI
Quattro 80
DCI
R410A √√√√
R410A √√√√
1.6 Indoor Unit combinations
Trio Quattro
Unit A Unit B Unit D Code Sum Unit A Unit B Unit C Unit D Code Sum
25 25 25 325 25 25 25 4
25 25 35 3.5 25 25 25 35 4.5
25 25 50 425 25 35 35 5
25 35 35 425 25 25 50 5
35 35 35 4.5 25 25 35 50 5.5
25 35 50 4.5 25 35 35 35 5.5
35 35 50 525 35 35 50 6
35 35 35 35 6
Nominal Indoor Units Combination
CONTENT

2-1
PRODUCT DATA SHEET
Revision Y05-01Service Manual - Trio_Quattro DCI
2. PRODUCT DATA SHEET
2.1 Outdoor TRIO 72 DCI Specifications.
Model TRIO-72 DCI R410A
Operation Mode Cooling Heating
Capacity (1), (2)
Kcal/hr 6,190 (1,120~7,740) 7,740 (820~9,460)
Btu/hr 24,570 (4,440~30,710) 30,710 (3,240~37,530)
W7,200 (1,300~9,000) 9,000 (950~11,000)
Total Input W 2,240 (500~3,000) 2,370 (500~3,000)
E.E.R (Cooling) / C.O.P (Heating) W/W 3.21 3.80
Running Current (3) A9.7 9.8
Starting Current A 10
Inrush Current A <35.0
Power Supply V/Ph/Hz 220-240V/ 1PH / 50Hz
OUTDOOR UNIT
Refrigerant control Electronic expansion valve
Compressor type Twin Rotary DC Inverter
Model MELCO TNB220FLBM
Starter type ---
Protection device Outdoor SW control
Heat exchanger Hydrophilic corrugated fins ,Grooved tubes
Fan x No. Propeller x 1
Airflow m3/hr 3,200
Motor output W 90
Defrost method Reverse cycle
Noise level (4) Pressure dB(A) 53 54
Power 63 64
Dimensions W*D*H mm 950*835*340
Weight Kg 69
Package W*D*H mm 1,070X510X940
Unit stacking # 3
TUBING
Refrigerant Charge Kg R410A - 3,200
Tube size O.D. Liquid mm 3x 6.35
Suction mm 2x 9.53 + 1x 12.7
Connection
method
between the
indoor and
outdoor units
Indoor & outdoor Flared
Height difference between indoor units Max.15m
Height difference between indoor & outdoor Max.15m
Tubing length Max.25m for one unit and 50m total
Additional charge No need
Note:
(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units).
(2) Nominal capacity is measured with the combination of 4x WNG 25 DCI (Quattro) or 3x WNG 25 DCI (Trio) and 5m tubing each unit.
Maximum capacity is measured with the combination of WNG 25 DCI + 2x WNG 35 DCI + WNG 50 DCI (Quattro) or 2x WNG 35
DCI + WNG 50 DCI (Trio) and 5m tubing each unit.
Minimum capacity is measured with WNG 25 DCI (Quattro/Trio) and 5m tubing.
(3) Running Current is measured in nominal conditions at 230V.
(4) Sound pressure level measured at 1 meter distance from unit at nominal (cool/heat) conditions
CONTENT

2-2
PRODUCT DATA SHEET
Revision Y05-01 Service Manual - Trio_Quattro DCI
2.2 Outdoor QUATTRO-80 DCI Specifications.
Model QUATTRO-80 DCI R410A
Operation Mode Cooling Heating
Capacity (1), (2)
Kcal/hr 6,880 (1,200~7,910) 8,170 (820~9,460)
Btu/hr 27,300 (4,780~31,390) 32,410 (3,240~37,530)
W8,000 (1,400~9,200) 9,500 (950~11,000)
Total Input W 2,490 (500~3,000) 2,380 (400~3,000)
E.E.R (Cooling) / C.O.P (Heating) W/W 3.21 4.00
Running Current (3) A 10.8 10.3
Starting Current A 11
Inrush Current A <35.0
Power Supply V/Ph/Hz 220-240V/ 1PH / 50Hz
OUTDOOR UNIT
Refrigerant control Electronic expansion valve
Compressor type Twin Rotary DC Inverter
Model MELCO TNB220FLBM
Starter type ---
Protection device Outdoor SW control
Heat exchanger Hydrophilic corrugated fins ,Grooved tubes
Fan x No. Propeller x 1
Airflow m3/hr 3,200
Motor output W 90
Defrost method Reverse cycle
Noise level (4) Pressure dB(A) 53 54
Power 63 64
Dimensions W*D*H mm 950*835*340
Weight Kg 70
Package W*D*H mm 1,070X510X940
Unit stacking 3
TUBING
Refrigerant Charge Kg R410A - 3,400
Tube size O.D. Liquid mm 4x 6.35
Suction mm 3x 9.53 + 1x 12.7
Connection
method
between the
indoor and
outdoor units
Indoor & outdoor Flared
Height difference between indoor units Max.15m
Height difference between indoor & outdoor Max.15m
Tubing length Max.25m for one unit and 70m total
Additional charge No need
Note:
(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units).
(2) Nominal capacity is measured with the combination of 4x WNG 25 DCI (Quattro) or 3x WNG 25 DCI (Trio) and 5m tubing each unit.
Maximum capacity is measured with the combination of WNG 25 DCI + 2x WNG 35 DCI + WNG 50 DCI (Quattro) or 2x WNG 35
DCI + WNG 50 DCI (Trio) and 5m tubing each unit.
Minimum capacity is measured with WNG 25 DCI (Quattro/Trio) and 5m tubing.
(3) Running Current is measured in nominal conditions at 230V.
(4) Sound pressure level measured at 1 meter distance from unit at nominal (cool/heat) conditions.
CONTENT

2-3
PRODUCT DATA SHEET
Revision Y05-01Service Manual - Trio_Quattro DCI
2.3 Indoor Units Data
2.3.1 WNG 25 DCI Specifications
Model Indoor Unit / Type WNG 25 DCI / Wall Mounted
Installation Method FLARE
Power Supply V/Ph/Hz 220-240 / 1/ 50
INDOOR
Fan Type & Quantity Crossflow *1
Airflow(2)
Cooling / Heating H/M/L m3/hr
530/570
430/460
330/350
Sound Power Level(3)
Cooling / Heating L - H dB (A) 39-50 / 39-51
Sound Pressure Level (4)
Cooling / Heating L - H dB (A) 26-38 / 26-39
Condensate Drain Tube I.D. mm 16
Dimensions W/H/D mm 810 285 202
Weight kg 11
Package Dimensions W/H/D mm 885 360 285
Stacking Height Units 7
Heating Elements kW N/A
Moisture Removal L/hr 1
2.3.2 WNG 35 DCI Specifications
Model Indoor Unit / Type WNG 35 DCI / Wall Mounted
Installation Method FLARE
Power Supply V/Ph/Hz 220-240 / 1/ 50
INDOOR
Fan Type & Quantity Crossflow *1
Airflow(2)
Cooling / Heating H/M/L m3/hr
550/580
450/480
350/370
Sound Power Level(3)
Cooling / Heating L - H dB (A) 39-52 / 39-52
Sound Pressure Level (4)
Cooling / Heating L - H dB (A) 26-39 / 26-40
Condensate Drain Tube I.D. mm 16
Dimensions W/H/D mm 810 285 202
Weight kg 11
Package Dimensions W/H/D mm 885 360 285
Stacking Height Units 7
Heating Elements kW N/A
Moisture Removal L/hr 1.5
NOTE:
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.
CONTENT

2-4
PRODUCT DATA SHEET
Revision Y05-01 Service Manual - Trio_Quattro DCI
2.3.3 WNG 50 DCI Specifications
Model Indoor Unit / Type WNG 50 DCI / Wall Mounted
Installation Method FLARE
Power Supply V/Ph/Hz 220-240 / 1/ 50
INDOOR
Fan Type & Quantity Crossflow *1
Airflow(2)
Cooling / Heating H/M/L m3/hr 850 760 620
Sound Power Level(3) L - H dB (A) 47 - 55
Sound Pressure Level (4) L - H dB (A) 34 -43
Condensate Drain Tube I.D. mm 16
Dimensions W/H/D mm 1060 295 210
Weight kg 15
Package Dimensions W/H/D mm 1125 360 280
Stacking Height Units 8
Heating Elements kW N/A
Moisture Removal L/hr 2
2.3.4 K 25 DCI Specifications
Model Indoor Unit / Type K 25 DCI / Cassette
Installation Method FLARE
Power Supply V/Ph/Hz 220-240 / 1/ 50
INDOOR
Fan Type & Quantity Centifugal *1
Airflow(2)
Cooling / Heating H/M/L m3/hr 530/600 500/530 435/450
Sound Power Level(3)
Cooling / Heating L - H dB (A) 42-48 / 42-47
Sound Pressure Level (4)
Cooling / Heating L - H dB (A) 32-38 / 32-37
Condensate Drain Tube I.D. mm 16
Dimensions W/H/D mm 571 287 571
Weight kg 22.7
Package Dimensions W/H/D mm 685 415 685
Stacking Height Units 5
Heating Elements kW N/A
Moisture Removal L/hr 1
NOTE:
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.
CONTENT

2-5
PRODUCT DATA SHEET
Revision Y05-01Service Manual - Trio_Quattro DCI
2.3.5 K 35 DCI Specifications
Model Indoor Unit / Type K 35 DCI / Cassette
Installation Method FLARE
Power Supply V/Ph/Hz 220-240 / 1/ 50
INDOOR
Fan Type & Quantity Centifugal *1
Airflow(2)
Cooling / Heating H/M/L m3/hr 580/620 510/560 435/450
Sound Power Level(3)
Cooling / Heating L - H dB (A) 42-49 / 42-48
Sound Pressure Level (4)
Cooling / Heating L - H dB (A) 32-38 / 32-38
Condensate Drain Tube I.D. mm 16
Dimensions W/H/D mm 571 287 571
Weight kg 24.4
Package Dimensions W/H/D mm 685 415 685
Stacking Height Units 5
Heating Elements kW N/A
Moisture Removal L/hr 1.5
2.3.6 K 50 DCI Specifications
Model Indoor Unit / Type K 50 DCI / Cassette
Installation Method FLARE
Power Supply V/Ph/Hz 220-240 / 1/ 50
INDOOR
Fan Type & Quantity Centifugal *1
Airflow(2) H/M/L m3/hr 730 630 510
Sound Power Level(3) L - H dB (A) 46 - 59
Sound Pressure Level (4) L - H dB (A) 36 – 48.5
Condensate Drain Tube I.D. mm 16
Dimensions W/H/D mm 571 287 571
Weight kg 28
Package Dimensions W/H/D mm 685 415 685
Stacking Height Units 5
Heating Elements kW N/A
Moisture Removal L/hr 2
NOTE:
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.
CONTENT