Electra LS DCI Series User manual

LS DCI Series
Indoor Units Outdoor Units
LS 35 DCI ONG3-35 DCI
OCTOBER – 2008
REFRIGERANT
R410A HEAT PUMP
SM LS DCI 1-E.1 GB
CONTENT

A
LIST OF EFFECTIVE PAGES
SM LS DCI 1- E.1 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 2005
Total number of pages in this publication is 68 consisting of the following:
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Title....................... 1
A ........................... 1
i............................. 1
1-1 - 1-3................ 1
2-1 ........................ 1
3-1 ........................ 1
4-1 ........................ 1
5-1 - 5-5................ 1
6-1 - 6-2................ 1
7-1 ........................ 1
8-1 ........................ 1
9-1 ........................ 1
10-1 ...................... 1
11-1-11-16............. 1
12-1-12-6.............. 1
13-1-13-5.............. 1
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
CONTENT

i
TABLE OF CONTENTS
SM LS DCI 1- E.1 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 & PRESSURE CURVES ...............................................5-1
6. AIRFLOW 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 LS DCI 1- E.1 GB
1. INTRODUCTION
1.1 General
The new LS DCI 35 ducted Unit is another completion to the DC inverter units range,
Which includes several types such as wall mounted, floor /ceiling, cassettes, and multi
splits.
1.2 Main Features
The LS DCI 35 benefits from the most advanced technological innovations, namely :
● DC Inverter Technology.
● R410A.
● Microprocessor control.
● Infrared remote control with liquid crystal display.
● High COP.
● Pre-Charged units up to the max allowing tubing distance.
● Cooling operation at outdoor temperature down to -10ºC.
● Heating operation at outdoor temperature down to -15ºC.
● Advanced test and diagnostics mode.
● M2L diagnostics softwear cable port (for PC)
● Network connectivity.
● The Indoor unit can be easily modified to a vertical or horizontal installation up
to 4 different air inlet and discharge applications.
● Base heater connection.
● Easy installation and service.
1.3 Indoor Unit
The indoor unit is a Low Silhouette ducted unit, and can be easily fitted to many types
of residential and commercials applications.
It includes:
● Casing with interchangeable metal sheet panels, allowing verticality between
vertical and horizontal installation.
● Two centrifugal indoor fans.
● Coil with treated aluminum fins.
● Advanced electronic control box assembly.
● Interconnecting wiring terminal block.
● Easily accessible, and re-usable pre-filters (mesh).
CONTENT

1-2
INTRODUCTION
SM LS DCI 1- E.1 GB
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 ONG35 DCI outdoor unit can be installed as floor or wall mounted 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 :
● Single DC inverter Rotary Compressor mounted in a soundproofed
compartment
● DC Inverter Outdoor Fan Motor
● Advanced controller.
● Axial fan.
● Outdoor coil with hydrophilic louver fins.
● Outlet air fan grill.
Outdoor Unit Features:
Feature ONG3-35 DCI
Diagnostics
Display 3 LED’s
Base Heater Optional
Outdoor Fan Variable speed DC Inverter
M2L cable Port No
1.6 Tubing Connections
Flare type interconnecting tubing to be produced on site.
For further details please refer to the Installation Manual, Appendix A
1.7 Inbox Documentation
Each unit is supplied with its own installation and operation manuals,
CONTENT

1-3
INTRODUCTION
SM LS DCI 1- E.1 GB
1.8 Matching Table
R410A
OUTDOOR UNITS
INDOOR UNITS
MODEL REFRIGER. WNG25 WNG35 K25 K35 PXD25 PXD35 LS 35 DCI
ONG25 DCI R410A √√ √
ONG35 DCI R410A √√ √ √
The above table lists outdoor units and LS DCI indoor unit which can be matched together.
In addition the listed outdoor units can be matched with other types of indoor units such as
cassettes and wall mounted.
For further information please refer to the relevant Service Manual.
CONTENT

2-1
PRODUCT DATA SHEET
SM LS DCI 1- E.1 GB
(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511.
(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. PRODUCT DATA SHEET
2.1 LS 35 DCI / ONG 35 DCI R410A
Model Indoor Unit LS 35 DCI
Model Outdoor Unit ONG 35 DCI
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Capacity (1) Btu/hr 11940(5118-15686) 14663(5118-18760)
kW 3.5(1.5-4.6) 4.3(1.6-5.5)
Power input (1) kW 0.96 (0.42-1.45) 1.34(0.4-1.8)
EER (Cooling) or COP(Heating) (1) W/W 3.65 3.21
Energy efficiency class A C
Power supply V/Ph/Hz 220-240V/Single/50Hz
Rated current A 4.3 5.8
Starting current A 10.5
Circuit breaker rating A 12
INDOOR
Fan type & quantity Centrifugal x 2
Fan speeds H/M/L RPM 1150/1000/760
Air flow (2) H/M/L m3/hr 830/700/530
External static pressure Min-Max Pa 25
Sound power level (3) H/M/L dB(A) 59/55/52
Sound pressure level(4) H/M/L dB(A) 42/38/35
Moisture removal l/hr 1.3
Condensate drain tube I.D mm 16
Dimensions WxHxD mm 860x245x680
Weight kg 30
Package dimensions WxHxD mm 1055x305x728
Packaged weight kg 33.5
Units per pallet units 6 units per pallet
Stacking height units 6 levels
OUTDOOR
Refrigerant control EEV
Compressor type, model Single Rotary DC Inverter, Panasonic 5RS0102XAB
Fan type & quantity Propeller(direct) x 1
Fan speeds H/L RPM 830
Air flow H/L m3/hr 1780
Sound power level H/L dB(A) 62
Sound pressure level (4) H/L dB(A) 52
Dimensions WxHxD mm 795x610x290
Weight kg 38
Package dimensions WxHxD mm 945X655X395
Packaged weight kg 42.5
Units per pallet Units 9 units per pallet
Stacking height units 3 levels
Refrigerant type R410A
Refrigerant chargless distance kg/m 1.2 /7.5m
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.20
Max.height
difference m. Max. 10
Operation control type Remote control
Heating elements kW
Others
CONTENT

3-1
RATING CONDITIONS
SM LS DCI 1- E.1 GB
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
3.1 Operating Limits
3.1.1 R410A
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 198 – 264 V
CONTENT

4-1
OUTLINE DIMENSIONS
SM LS DCI 1- E.1 GB
4. OUTLINE DIMENSIONS
4.1 Indoor Unit: LS 35 DCI
4.2 Outdoor Unit: ONG3-35 DCI
CONTENT

5-1
PERFORMANCE DATA & PRESSURE CURVES
SM LS DCI 1- E.1 GB
5. PERFORMANCE DATA
5.1 LS 35 DCI
5.1.1 Cooling Capacity (kW) - Run Mode
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 3.38 3.60 3.83 4.05 4.27
SC 2.65 2.70 2.75 2.81 2.86
PI 0.75 0.77 0.78 0.80 0.81
30
TC 3.22 3.44 3.66 3.88 4.11
SC 2.58 2.63 2.69 2.74 2.79
PI 0.84 0.86 0.87 0.89 0.90
35
TC 3.06 3.28 3.50 3.72 3.94
SC 2.51 2.57 2.62 2.67 2.73
PI 0.93 0.95 0.96 0.97 0.99
40
TC 2.89 3.12 3.34 3.56 3.78
SC 2.45 2.50 2.55 2.61 2.66
PI 1.02 1.03 1.05 1.06 1.08
46
TC 2.70 2.92 3.14 3.36 3.58
SC 2.37 2.42 2.47 2.53 2.58
PI 1.13 1.14 1.15 1.17 1.18
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
Cooling Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ratio
CONTENT