Electra LEX 25 DCI User manual

LEX DCI Series

Indoor Units Outdoor Units

LEX 25 DCI DCI 25

LEX 35 DCI DCI 35

LEX 50 DCI DCI 50

LEX 60 DCI DCI 60

LEX 72 DCI DCI 72Z

NOVEMBER – 2008

REFRIGERANT

R410A HEAT PUMP

SM LEXDCI 1-E.1 GB

CONTENTS

LIST OF EFFECTIVE PAGES

SM LEXDCI 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 ........September 2007

Total number of pages in this publication is 107 consisting of the following:

Page

No.

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No. #

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15-1-15-10............ 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

CONTENTS

TABLE OF CONTENTS

SM LEXDCI 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. SOUND LEVEL CHARACTERISTICS ..................................................................6-1

7. ELECTRICAL DATA..............................................................................................7-1

8. WIRING DIAGRAMS .............................................................................................8-1

9. REFRIGERATION DIAGRAMS.............................................................................9-1

10. ELECTRICAL CONNECTIONS.............................................................................10-1

11. CONTROL SYSTEM for LEX 25 / 35 DCI ............................................................11-1

12. CONTROL SYSTEM for LEX 50 / 60 / 72 Z DCI ..................................................12-1

13. TROUBLESHOOTING ..........................................................................................13-1

14. EXPLODED VIEWS AND SPARE PARTS LISTS.................................................14-1

15. TUBING CONNECTIONS......................................................................................15-1

16. APPENDIX A .........................................................................................................16-1

1-1

INTRODUCTION

SM LEXDCI 1-E.1 GB

1. INTRODUCTION

1.1 General

The new LEX DCI INVERTER split wall mounted range has expanded, comprising the

following RC (heat pump) models:

● LEX 25 DCI

● LEX 35 DCI

●LEX 50 DCI

●LEX 60 DCI

● LEX 72 DCI

The indoor LEX units are available as LED display types, featuring esthetic design,

compact dimensions, and low noise operation.

1.2 Main Features

The LEX DCI series beneﬁts from the most advanced technological innovations,

namely:

● DC inverter technology.

● R410A.

● High COP.

●Lego concept.

● Pre-Charged units up to the max’ allowing tubing distance.

● Networking system connectivity.

● A dry contact for clock or power shedding functions (conﬁgurable).

● Base heater connection.

● Cooling operation at outdoor temperature down to -10°C.

● Heating operation at outdoor temperature down to -15°C.

● Supports Indoor Air Quality features, such as – Ionizer and Active Electrostatic Filter.

● Indoor large diameter cross ﬂow fan, allowing low noise level operation.

● Bended indoor coil with treated aluminum ﬁns and coating for improved efﬁciency.

● Easy access to the interconnecting tubing and wiring connections, so that removing

the front grill or casing is not necessary.

● Refrigerant pipes can be connected to the indoor unit from 5 different optional

directions.

● Water condensate tray is equipped with two optional drain connections

● Automatic treated air sweep.

● Low indoor and outdoor noise levels.

● Easy installation and service.

CONTENTS

1-2

INTRODUCTION

SM LEXDCI 1-E.1 GB

1.3 Indoor Unit

The indoor unit is wall mounted, and can be easily ﬁtted to many types of residential

and commercials applications.

New design is available in LED version.

Indoor Unit features:

Feature LEX 25 DCI LEX 35 DCI LEX 50 DCI LEX 60 DCI LEX 72 DCI

Display LED

Ionizer Optional

ESF Optional

Fresh air Optional

Indoor fan motor Variable speed (PG)

Horizontal motorized louver YES

Vertical motorized louver Optional

Heating element NO

M2L Cable port YES

Dry contact Presence detector or (jumper selected) power shedding

1.4 Filtration

The LEX DCI INV series presents several types of air ﬁlters:

● Easily accessible, and re-usable pre-ﬁlters (mesh)

● Pre-charged electrostatic ﬁlter (disposable)

● Active carbon ﬁlter (disposable)

● ESF. Active Electro Static re-usable ﬁlter (optional)

1.5 Ionizer (Optional)

A special design Ionizer protected by unique patents integrated into the indoor unit,

generating negative ions to the room providing comfort and upgraded indoor air quality.

1.6 Control

The microprocessor indoor controller, and an infrared remote control, supplied as

standard, provides complete operating function and programming.

Remote controllers: RC-2/3/4/5/7, RC-4i-1, RCW, μBMS.

Networking system Airconet version 4.2 and up, MIU SW version H8 and up.

For further details please refer to the Operational Manual.

CONTENTS

1-3

INTRODUCTION

SM LEXDCI 1-E.1 GB

1.7 Outdoor Unit

The LEX DCI INV outdoor units can be installed as ﬂoor or wall mounted units by using

a wall supporting bracket. The metal sheets are protected from 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.

Outdoor Unit Feature

Feature DCI 25 DCI 35 DCI 50 DCI 60 DCI 72Z

Display 3 LED’s

Base Heater Optional

Outdoor Fan Variable speed DC Inverter

1.8 Tubing Connections

Flare type interconnecting tubing to be produced on site.

For further details please refer to the Installation Manual.

1.9 Accessories

Item Description

MIU (LEX) MODBUS interface unit

RS485 Adapter To be used as an interface with RCW

or μBMS remote controllers

Base Heater

M2L cable Port

1.10 Inbox Documentation

Each unit is supplied with its own installation and operation manuals.

CONTENTS

1-4

INTRODUCTION

SM LEXDCI 1-E.1 GB

1.11 Matching Table

1.11.1 R410A

OUTDOOR UNITS

INDOOR UNITS

MODEL REFR” LEX 25 LEX 35 LEX 50 LEX 60 LEX 72

DCI 25 R410A √

DCI 35 R410A √

DCI 50 R410A √

DCI 60 R410A √

DCI 72Z R410A √

CONTENTS

2-1

PRODUCT DATA SHEET

SM LEXDCI 1-E.1 GB

2. PRODUCT DATA SHEET

2.1 LEX 25 DCI

Model Indoor Unit LEX 25 DCI

Model Outdoor Unit DCI 25 R410A

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (1) Btu/hr 8530(4780-12280) 11600(5120-17060)

kW 2.5(1.4-3.6) 3.4(1.5-5.0)

Power input (1) kW 0.595(0.42-1.0) 0.81(0.39-1.6)

EER (Cooling) or COP(Heating) (1) W/W 4.20 4.20

Energy efﬁciency class A A

Power supply

V 220-240

Ph 1

Hz 50

Rated current A 2.7 3.8

Power factor 0.97 0.97

Prated (IDU) W 32

Prated (IDU+ODU) W 1600

Starting current A 10.5

Circuit breaker rating A 15

INDOOR

Fan type & quantity Crossﬂow x 1

Fan speeds H/M/L RPM 1050/900/800

Air ﬂow (2) H/M/L m3/hr 530/430/330

External static pressure Min Pa 0

Sound power level (3) H/M/L dB(A) 51/ - /39

Sound pressure level (4) H/M/L dB(A) 39/ - /26

Moisture removal l/hr 1

Condenstate drain tube I.D mm 16

Dimensions WxHxD mm 810x285x210

Net Weight kg 11.5

Package dimensions WxHxD mm 870x356x282

Packaged weight kg 14

Units per pallet units 28

Stacking height units 7 levels

OUTDOOR

Refrigerant control Electronical Expansion Valve

Compressor type,model Single Rotary DC Inverter,Panasonic 5RS102XAB

Fan type & quantity Propeller x 1

Fan speeds H RPM 830

Air ﬂow H m3/hr 1780

Sound power level H dB(A) 61

Sound pressure level (4) H dB(A) 51

Dimensions WxHxD mm 795x610x290

Net Weight kg 38

Package dimensions WxHxD mm 970x650x394

Packaged weight kg 42

Units per pallet Units 9

Stacking height units 3 levels

Refrigerant type R410A

Standard charge kg(7.5m) 1.1

Additional charge 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 (Option) kW

Others

(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.

CONTENTS

2-2

PRODUCT DATA SHEET

SM LEXDCI 1-E.1 GB

2.2 LEX 35 DCI

Model Indoor Unit LEX 35 DCI

Model Outdoor Unit DCI 35 R410A

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (1) Btu/hr 11940(4780-14670) 14670(5100-19790)

kW 3.5(1.4-4.3) 4.3(1.5-5.8)

Power input (1) kW 0.99(0.42-1.25) 1.125(0.39-1.75)

EER (Cooling) or COP (Heating) (1) W/W 3.54 3.82

Energy efﬁciency class A A

Power supply

V 220-240

Ph 1

Hz 50

Rated current A 4.6 5.2

Power factor 0.97 0.97

Prated (IDU) W 40

Prated (IDU+ODU) W 1800

Starting current A 10.5

Circuit breaker rating A 15

INDOOR

Fan type & quantity Crossﬂow x 1

Fan speeds H/M/L RPM 1100/950/800

Air ﬂow (2) H/M/L m3/hr 550/450/350

External static pressure Min Pa 0

Sound power level (3) H/M/L dB(A) 52/ - /39

Sound pressure level (4) H/M/L dB(A) 40/ - /26

Moisture removal l/hr 1.5

Condenstate drain tube I.D mm 16

Dimensions WxHxD mm 810x285x210

Net Weight kg 11.5

Package dimensions WxHxD mm 870x356x282

Packaged weight kg 14

Units per pallet units 28

Stacking height units 7 levels

OUTDOOR

Refrigerant control Electronical Expansion Valve

Compressor type,model Single Rotary DC Inverter,Panasonic 5RS102XAB

Fan type & quantity Propeller x 1

Fan speeds H RPM 830

Air ﬂow H m3/hr 1780

Sound power level H dB(A) 62

Sound pressure level (4) H dB(A) 52

Dimensions WxHxD mm 795x610x290

Net Weight kg 38.5

Package dimensions WxHxD mm 970x650x394

Packaged weight kg 42.5

Units per pallet Units 9

Stacking height units 3 levels

Refrigerant type R410A

Standard charge kg(7.5m) 1.2

Additional charge 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 (Option) kW

Others

(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.

CONTENTS

2-3

PRODUCT DATA SHEET

SM LEXDCI 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.

2.3 LEX 50 DCI

Model Indoor Unit LEX 50 DCI

Model Outdoor Unit DCI 50

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (1) Btu/hr 17060(5120-20470) 20470(5120-25930)

kW 5.00(1.50-6.00) 6.00(1.50-7.60)

Power input (1) kW 1.46(0.50-2.00) 1.66(0.45-2.20)

EER (Cooling) or COP(Heating) (1) W/W 3.42 3.61

Energy efﬁciency class A A

Power supply V/Ph/Hz 220-240V/Single/50Hz

Rated current A 6.6 7.5

Starting current A 10.5

Circuit breaker rating A 20

INDOOR

Fan type & quantity Crossﬂow x 1

Fan speeds H/M/L RPM 1200/1050/900

Air ﬂow (2) H/M/L m3/hr 850/760/620

External static pressure Min-Max Pa 0

Sound power level (3) H/M/L dB(A) 55/51/47

Sound pressure level(4) H/M/L dB(A) 43/39/34

Moisture removal l/hr 2

Condenstate drain tube I.D mm 16

Dimensions WxHxD mm 1060x295x210

Weight kg 15

Package dimensions WxHxD mm 1125x360x280

Packaged weight kg 18

Units per pallet units 16 units per pallet

Stacking height units 8 levels

OUTDOOR

Refrigerant control EEV

Compressor type,model Scroll,Panasonic 5CS130XCC03

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 920

Air ﬂow H/L m3/hr 2160

Sound power level H/L dB(A) 63

Sound pressure level(4) H/L dB(A) 53

Dimensions WxHxD mm 795x610x290

Weight kg 39

Package dimensions WxHxD mm 945x655x395

Packaged weight kg 43

Units per pallet Units 9 units per pallet

Stacking height units 3 levels

Refrigerant type R410A

Refrigerant chargless distance kg/m 1.50/7.5

Additional charge per 1 meter g/m No need

Connections between units

Liquid line In.(mm) 1/4”(6.35)

Suction line In.(mm) 1/2”(12.7)

Max.tubing length m. Max.30

Max.height difference m. Max. 10

Operation control type Remote control

Heating elements kW

Others

CONTENTS

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