Electra LEX 25 DCI, LEX 60 DCI, DCI 25, DCI 35, DCI 50 Service Manual

LEX DCI Series

CONTENTS

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

REFRIGERANT

SM LEXDCI 1-E.1 GB

R410A

HEAT PUMP

NOVEMBER – 2008

LIST OF EFFECTIVE PAGES

CONTENTS

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.

Title ....................... 1

A ........................... 1

i ............................. 1

1-1 - 1-4 ................ 1

2-1 - 2-4 ................ 1

3-1 ........................ 1

4-1 - 4-3 ................ 1

5-1 - 5-17 .............. 1

6-1 - 6-3 ................ 1

7-1 ........................ 1

8-1-8-3 .................. 1

9-1-9-2 .................. 1

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11-1 ....................... 1

12-1-12-23 ............ 1

13-1-13-18 ............ 1

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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 LEXDCI 1-E.1 GB

INTRODUCTION

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.

SM LEXDCI 1-E.1 GB

● 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.

1-1

INTRODUCTION

CONTENTS

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.

1-2

SM LEXDCI 1-E.1 GB

1.7 Outdoor Unit

CONTENTS

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.

INTRODUCTION

1.9 Accessories

Item Description

MIU (LEX) MODBUS interface unit

RS485 Adapter

Base Heater

M2L cable Port

1.10 Inbox Documentation

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

To be used as an interface with RCW

or μBMS remote controllers

SM LEXDCI 1-E.1 GB

1-3

INTRODUCTION

CONTENTS

1.11 Matching Table

1.11.1 R410A

OUTDOOR UNITS

INDOOR UNITS

MODEL REFR”

DCI 25 R410A

DCI 35 R410A

DCI 50 R410A

DCI 60 R410A

DCI 72Z R410A

LEX 25 LEX 35 LEX 50 LEX 60 LEX 72

√

1-4

SM LEXDCI 1-E.1 GB

PRODUCT DATA SHEET

CONTENTS

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 Power input

EER (Cooling) or COP(Heating) Energy efﬁciency class A A

Power supply

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

Operation control type Remote control Heating elements (Option) kW Others

(1)

Fan type & quantity Crossﬂow x 1 Fan speeds H/M/L RPM 1050/900/800

Air ﬂow External static pressure Min Pa 0

Sound power level Sound pressure level

Moisture removal l/hr 1 Condenstate drain tube I.D mm 16

INDOOR

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 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 Dimensions WxHxD mm 795x610x290

Net Weight kg 38 Package dimensions WxHxD mm 970x650x394 Packaged weight kg 42 Units per pallet Units 9

OUTDOOR

Stacking height units 3 levels Refrigerant type R410A Standard charge kg(7.5m) 1.1 Additional charge No need

(2)

(3)

(4)

Connections between units

H/M/L m3/hr 530/430/330

H/M/L dB(A) 51/ - /39 H/M/L dB(A) 39/ - /26

H dB(A) 51

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

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

kW 2.5(1.4-3.6) 3.4(1.5-5.0) kW 0.595(0.42-1.0) 0.81(0.39-1.6)

W/W 4.20 4.20

V 220-240 Ph 1 Hz 50

m. Max.10

(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.

SM LEXDCI 1-E.1 GB

2-1

PRODUCT DATA SHEET

CONTENTS

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

Power input EER (Cooling) or COP (Heating)

Energy efﬁciency class A A

Power supply

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

Operation control type Remote control Heating elements (Option) kW Others

(1)

Fan type & quantity Crossﬂow x 1 Fan speeds H/M/L RPM 1100/950/800

Air ﬂow External static pressure Min Pa 0

Sound power level Sound pressure level

Moisture removal l/hr 1.5 Condenstate drain tube I.D mm 16

INDOOR

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 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 Dimensions WxHxD mm 795x610x290

Net Weight kg 38.5 Package dimensions WxHxD mm 970x650x394 Packaged weight kg 42.5 Units per pallet Units 9

OUTDOOR

Stacking height units 3 levels Refrigerant type R410A Standard charge kg(7.5m) 1.2 Additional charge g/m No need

Connections between units

(2)

(3)

H/M/L m3/hr 550/450/350

(4)

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

H/M/L dB(A) 52/ - /39 H/M/L dB(A) 40/ - /26

H dB(A) 52

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

kW 3.5(1.4-4.3) 4.3(1.5-5.8) kW 0.99(0.42-1.25) 1.125(0.39-1.75)

W/W 3.54 3.82

V 220-240 Ph 1 Hz 50

(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.

2-2

SM LEXDCI 1-E.1 GB

PRODUCT DATA SHEET

CONTENTS

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

Power input EER (Cooling) or COP(Heating)

(1)

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

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)

Sound pressure level

(4)

H/M/L dB(A) 55/51/47

H/M/L dB(A) 43/39/34 Moisture removal l/hr 2 Condenstate drain tube I.D mm 16

INDOOR

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 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

OUTDOOR

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

Liquid line In.(mm) 1/4”(6.35)

Connections between units

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

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

kW 5.00(1.50-6.00) 6.00(1.50-7.60) kW 1.46(0.50-2.00) 1.66(0.45-2.20)

W/W 3.42 3.61

(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.

SM LEXDCI 1-E.1 GB

2-3

PRODUCT DATA SHEET

CONTENTS

2.4 LEX 60 DCI

Model Indoor Unit LEX-60 DCI Model Outdoor Unit DCI 60

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity

Power input EER (Cooling) or COP(Heating)

(1)

Energy efﬁciency class B B Power supply V/Ph/Hz 220-240V/Single/50Hz Rated current A 8.9 8.6 Starting current A 10.5 Circuit breaker rating A 20

Fan type & quantity Crossﬂow x 1 Fan speeds H/M/L RPM 1250/1100/1000 Air ﬂow

(2)

H/M/L m3/hr 900/760/620 External static pressure Min-Max Pa 0 Sound power level

(3)

Sound pressure level

(4)

H/M/L dB(A) 56/53/48

H/M/L dB(A) 45/40/34 Moisture removal l/hr 2 Condenstate drain tube I.D mm 16

INDOOR

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 Refrigerant control EEV Compressor type,model Scroll,Panasonic 5CS130XCC03 Fan type & quantity Propeller(direct) x 1 Fan speeds H/L RPM 820 Air ﬂow H/L m3/hr 2860 Sound power level H/L dB(A) 65 Sound pressure level

(4)

H/L dB(A) 55 Dimensions WxHxD mm 846x690x302 Weight kg 46 Package dimensions WxHxD mm 990x770x430 Packaged weight kg 50 Units per pallet Units 9 units per pallet

OUTDOOR

Stacking height units 3 levels Refrigerant type R410A Refrigerant chargless distance kg/m 1.65/7.5 Additional charge per 1 meter g/m No need

Liquid line In.(mm) 1/4”(6.35) Suction line In.(mm) 1/2”(12.7)

Connections between units

Max.tubing length m. Max.30 Max.height

difference

Operation control type Remote control Heating elements kW Others

Btu/hr 20470(5120-22860) 22180(5120-26950)

kW 6.00(1.50-6.70) 6.50(1.80-7.90) kW 1.99(0.50-2.20) 1.90(0.45-2.30)

W/W 3.02 3.42

m. Max. 10

(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.

2-4

SM LEXDCI 1-E.1 GB

PRODUCT DATA SHEET

CONTENTS

2.5 LEX 72 DCI

Model Indoor Unit LEX 72 DCI Model Outdoor Unit GC-DCI 72 Z

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity

Power input EER (Cooling) or COP(Heating)

(1)

Energy efﬁciency class B C Power supply V/Ph/Hz 220-240V/Single/50Hz Rated current A 9.8 10.3 Starting current A 15 Circuit breaker rating A 20

Fan type & quantity Crossﬂow x 1 Fan speeds H/M/L RPM 1300/1150/1000 1350/1200/1050 Air ﬂow

(2)

H/M/L m3/hr 950/800/650 1000/850/700 External static pressure Min-Max Pa 0 Sound power level Sound pressure level

(3)

(4 )

H/M/L dB(A) 60/54/47

H/M/L dB(A) 47/41/34 Moisture removal l/hr 2.5 Condenstate drain tube I.D mm 16

INDOOR

Dimensions WxHxD mm 1060x295x210 Weight kg 15 Package dimensions WxHxD mm 1115x350x260 Packaged weight kg 18 Units per pallet units 16 Stacking height units 8 levels Refrigerant control EEV Compressor type,model Two Rotary,Mitsubishi TNB220F Fan type & quantity Propeller(direct) x 1 Fan speeds H/L RPM 850 Air ﬂow H/L m3/hr 3600 Sound power level H/L dB(A) 66 Sound pressure level

(4)

H/L dB(A) 56 Dimensions WxHxD mm 950x835x412 Weight kg 65.5 Package dimensions WxHxD mm 1080x910x477 Packaged weight kg 73 Units per pallet Units 2

OUTDOOR

Stacking height units 2 levels Refrigerant type R410A Refrigerant chargless distance kg/m 2.4kg/30m Additional charge per 1 meter g/m No Need

Liquid line In.(mm) 3/8"(9.53) Suction line In.(mm) 5/8"(15.88)

Connections between units

Max.tubing length m. Max.30 Max.height difference m. Max.15

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.

Btu/hr 23188(5100~25575) 25916(5100~30000)

kW 6.8(1.5-7.5) 7.6(1.5~8.8) kW 2.25(0.5-2.8) 2.35(0.45~3.0)

W/W 3.01 3.23

SM LEXDCI 1-E.1 GB

2-5

3. RATING CONDITIONS

CONTENTS

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

RATING CONDITIONS

Indoor Outdoor

Cooling

Heating

Upper limit

Lower limit

Upper limit

Lower limit

Voltage

32oC DB 23oC WB 46oC DB

21oC DB 15oC WB -10oC DB

27oC DB 24oC DB 18oC WB

10oC DB -15oC DB -16oC WB

198 – 264 V

SM LEXDCI 1-E.1 GB

3-1

4. OUTLINE DIMENSIONS

CONTENTS

4.1 Indoor Unit: LEX 25 / 35 DCI

OUTLINE DIMENSIONS

AIR INTAKE

210

285

MOUNTING TEMPLATE TO BE USED FOR LOCATION OF INDOOR UNIT ON THE WALL

18.5

30.0

285.0

42.0

93.0

MOUTING PLATE OUTLINE

8.0

70.0

167.5

83.0

100.5

TUBING WALL OPENING (FOR REAR LEFT ROUTING)

CEELING

810.0

167.5

TUBING WALL OPENING

(FOR REAR ROUTING)

811

INDOOR UNIT OUTLINE

100.0 MIN

8.0

83.0

100.5

70.0

42.0

93.0

AIR OUTLET

4.2

Outdoor Unit: DCI 25 / 35 / 50

SM LEXDCI 1-E.1 GB

4-1

OUTLINE DIMENSIONS

CONTENTS

4.3 Indoor Unit: LEX 50 / 60 / 72

295

1060

4.4 Outdoor Unit: DCI 60

221

4-2

SM LEXDCI 1-E.1 GB

4.5 Outdoor Unit: DCI 72 Z

CONTENTS

OUTLINE DIMENSIONS

SM LEXDCI 1-E.1 GB

4-3

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5. PERFORMANCE DATA

5.1 LEX 25 / DCI 25

5.1.1 Cooling Capacity (kW) - Run Mode

ID COIL ENTERING AIR DB/WB TEMPERATURE [ºC]

OD COIL

ENTERING AIR DB

TEMPERATURE

[C

0

]

-10 - 20

(protection range)

25

30

35

40

46

DATA 22/15 24/17 27/19 29/21 32/23

TC SC

PI TC 2.42 2.57 2.73 2.89 3.05 SC 1.64 1.67 1.71 1.74 1.77

PI 0.47 0.48 0.49 0.49 0.50 TC 2.30 2.46 2.62 2.77 2.93 SC 1.60 1.63 1.67 1.70 1.73

PI 0.52 0.53 0.54 0.55 0.56

TC 2.18 2.34 SC 1.56 1.59

PI 0.58 0.59

TC 2.07 2.23 2.38 2.54 2.70 SC 1.52 1.55 1.58 1.62 1.65

PI 0.63 0.64 0.65 0.66 0.67 TC 1.93 2.09 2.24 2.40 2.56

SC 1.47 1.50 1.53 1.57 1.60

PI 0.70 0.71 0.72 0.72 0.73

80 - 110 % of nominal 80 - 105 % of nominal

25 - 50 % of nominal

2.50

1.63

0.60

2.66 2.82

1.66 1.69

0.60 0.61

LEGEND

TC – Total Cooling Capacity, kW SC – Sensible Capacity, kW PI – Power Input, kW WB – Wet Bulb Temp., ( DB – Dry Bulb Temp., (

o

C)

o

C) ID – Indoor OU - Outdoor

5.1.2 Capacity Correction Factors

1.2

1.1

1

0.9

0.8

0.7

Capacity Ratio

0.6

0.5

20 25 30 35 40 45

Outdoor Tempera ture [deg C]

SM LEXDCI 1-E.1 GB

5-1

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.1.3 Heating Capacity (kW) - Run Mode)

ID COIL ENTERING AIR DB TEMPERATURE [ºC]

OD COIL

ENTERING AIR

DB/WB

TEMPERATURE

[ºC]

-15/-16

-10/-12

-7/-8

-1/-2

2/1

7/6

10/9

15/12

15-24

(Protection Range)

DATA 15 20 25

TC 2.16 2.01 1.86

PI 0.49 0.54 0.58

TC 2.41 2.26 2.11

PI 0.59 0.64 0.68

TC 2.59 2.44 2.29

PI 0.66 0.71 0.76

TC 2.68 2.53 2.38

PI 0.70 0.75 0.80

TC 2.75 2.59 2.44

PI 0.72 0.77 0.82

TC 3.55

PI 0.76

TC 3.75 3.60 3.44

PI 0.81 0.86 0.90

TC 3.94 3.79 3.64

PI 0.85 0.90 0.95

TC 85 - 105 % of nominal

PI 80 - 120 % of nominal

3.40

0.81

3.25

0.86

LEGEND

TC

TH – Total Heating Capacity, kW PI – Power Input, kW WB – Wet Bulb Temp., ( DB – Dry Bulb Temp., (

o

C)

o

C) ID – Indoor OU - Outdoor

5.1.4 Capacity Correction Factors

1.2

1.1

1

0.9

0.8

0.7

Capaci ty Ratio

0.6

0.5

-15 -10 -5 0 5 10 15

Outdoor WB Temperature [deg C]

5-2

SM LEXDCI 1-E.1 GB

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.2 Capacity Correction Factor Due to Tubing Length

5.2.1 Cooling

1.01

1.00

0.99

0.98

0.97

0.96

0.95

0.94

Capacity Ratio

0.93

0.92

0.91

3 4 5 6 7 8 9 1011121314151617181920

Tubing Length [m]

5.2.2 Heating

1.02

1.00

0.98

0.96

0.94

Capacity Ratio

0.92

0.90

3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Tubing Length [m]

SM LEXDCI 1-E.1 GB

5-3

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.3 LEX 35 / DCI 35

5.3.1 Cooling Capacity (kW) - Run Mode

ID COIL ENTERING AIR DB/WB TEMPERATURE [ºC]

OD COIL

ENTERING AIR DB

TEMPERATURE

[ºC]

-10 - 20

(protection range)

25

30

35

40

46

DATA 22/15 24/17 27/19 29/21 32/23

TC SC

PI TC 3.38 3.60 3.83 4.05 4.27 SC 2.40 2.45 2.50 2.55 2.60

PI 0.78 0.79 0.81 0.82 0.84 TC 3.22 3.44 3.66 3.88 4.11 SC 2.34 2.39 2.44 2.49 2.54

PI 0.87 0.88 0.90 0.91 0.93

TC 3.06 3.28 SC 2.28 2.33

PI 0.96 0.98

TC 2.89 3.12 3.34 3.56 3.78 SC 2.22 2.27 2.32 2.37 2.42

PI 1.05 1.07 1.08 1.10 1.11 TC 2.70 2.92 3.14 3.36 3.58

SC 2.15 2.20 2.25 2.30 2.34

PI 1.16 1.18 1.19 1.21 1.22

80 - 110 % of nominal 80 - 105 % of nominal

25 - 50 % of nominal

3.50

2.38

0.99

3.72 3.94

2.43 2.48

1.00 1.02

LEGEND

TC – Total Cooling Capacity, kW SC – Sensible Capacity, kW PI – Power Input, kW WB – Wet Bulb Temp., ( DB – Dry Bulb Temp., (

o

C)

ID – Indoor OU - Outdoor

5.3.2 Capacity Correction Factors

1.2

1.1

1

0.9

0.8

0.7

Capacity Ratio

0.6

0.5 20 25 30 35 40 45

Outdoor Temperature [deg C]

5-4

SM LEXDCI 1-E.1 GB

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.3.3 Heating Capacity (kW) - Run Mode

ID COIL ENTERING AIR DB TEMPERATURE [ºC]

OD COIL

ENTERING AIR

DB/WB

TEMPERATURE

[ºC]

-15/-16

-10/-12

-7/-8

-1/-2

2/1

7/6

10/9

15/12

15-24

(Protection Range)

DATA 15 20 25

TC 2.74 2.55 2.35

PI 0.68 0.74 0.81

TC 3.05 2.86 2.66

PI 0.81 0.88 0.95

TC 3.28 3.09 2.90

PI 0.92 0.99 1.06

TC 3.39 3.20 3.01

PI 0.97 1.04 1.11

TC 3.47 3.28 3.09

PI 1.00 1.07 1.14

TC 4.49

PI 1.06

TC 4.74 4.55 4.36

PI 1.12 1.19 1.26

TC 4.99 4.80 4.60

PI 1.18 1.25 1.32

TC 85 - 105 % of nominal

PI 80 - 120 % of nominal

4.30

1.13

4.11

1.19

LEGEND

TC

TH – Total Heating Capacity, kW PI – Power Input, kW WB – Wet Bulb Temp., ( DB – Dry Bulb Temp., (

o

C)

ID – Indoor OU - Outdoor

5.3.4 Capacity Correction Factors

1.2

1.1

1

0.9

0.8

0.7

Capacity Ratio

0.6

0.5

-15 -10 -5 0 5 10 15

Outdoor WB Temperature [deg C]

SM LEXDCI 1-E.1 GB

5-5

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.4 Capacity Correction Factor Due to TUbing Length

5.4.1 Cooling

1.01

1.00

0.99

0.98

0.97

0.96

0.95

0.94

Capaci ty Ratio

0.93

0.92

0.91

3 4 5 6 7 8 9 1011121314151617181920

Tubing Length [m]

5.4.2 Heating

1.02

1.00

0.98

0.96

0.94

Capacity Ratio

0.92

0.90

3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Tubing Length [m]

5-6

SM LEXDCI 1-E.1 GB

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.5 LEX 50 / DCI 50

5.5.1 Cooling Capacity (kW) - Run Mode

230[V] : Indoor Fan at High Speed.

OD COIL

ENTERING AIR DB

TEMPERATURE [

0

DATA

C]

ID COIL ENTERING AIR DB/WB TEMPERATURE [0C]

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

TC 4.93 5.22 5.51 5.80 6.09

25

SC 4.10 4.16 4.22 4.28 4.34

PI 1.10 1.13 1.15 1.18 1.20

TC 4.67 4.96 5.25 5.54 5.83

30

SC 3.94 4.00 4.06 4.12 4.18

PI 1.26 1.28

TC 4.42 4.71

35

SC 3.78 3.84 3.90 3.96 4.02

PI 1.41 1.44

TC 4.17 4.46

40

SC 3.62 3.68 3.74 3.80 3.86

PI 1.56 1.59 1.61 1.64 1.66

TC 3.86 4.15 4.44 4.73 5.02

46

SC 3.43 3.49 3.55 3.61 3.67

PI 1.75 1.77 1.80 1.82 1.85

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

1.31

5.00

1.46

4.75

1.33 1.36

5.29 5.58

1.48 1.51

5.04 5.53

5.5.2 Capacity Correction Factors

SM LEXDCI 1-E.1 GB

Cool ing Ca pacity Ra ti o V s. Outdoor Te m pe ra tu re

1.20

1.10

1.00

0.90

0.80

0.70

Capaci ty Ration

0.60

0.50 20 25 30 35 40 45

Outdoor DB Temperature [ºC]

5-7

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.5.3 Heating Capacity (kW) - Run Mode)

230[V] : Indoor Fan at High Speed.

ID COIL ENTERING AIR DB TEMPERATURE [0C]

OD COIL ENTERING

AIR DB/WB

TEMPERATURE [

DATA 15 20 25

0

C]

-15/-16

-10/-12

-7/-8

-1/-2

2/1

7/6

10/9

15/12

15-24

(Protection Range)

TC 2.73 2.34 1.94

PI 1.16 1.24 1.33

TC 3.60 3.21 2.82

PI 1.31 1.40 1.48

TC 4.26 3.87 3.47

PI 1.43 1.51 1.59

TC 4.59 4.19 3.80

PI 1.48 1.57 1.65

TC 4.81 4.41 4.02

PI 1.52

TC 6.39

PI 1.58

TC 6.72

PI 1.61 1.69 1.77

TC 7.06 6.66 6.27

PI 1.64 1.72 1.80

TC 85 - 105 % of nominal

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 OD – Outdoor

1.60

6.00

1.66

6.33

1.69

5.61

1.74

5.94

5.5.4 Capacity Correction Factors

5-8

1.20

1.10

1.00

0.90

0.80

0.70

0.60

Capaci ty Rati on

0.50

0.40

Hea ting Ca pa ci ty Ratio Vs. Outdoor Tem pe ra ture

-15 -10 -5 0 5 10 15

Outdoor WB Temperature [ºC]

SM LEXDCI 1-E.1 GB

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.6 LEX 60 / DCI 60

5.6.1 Cooling Capacity (kW) - Run Mode

230[V] : Indoor Fan at High Speed.

OD COIL

ENTERING AIR DB

TEMPERATURE [

-10 - 20

(protection range)

25

30

35

40

(Protection Range)

46

(Protection Range)

ID COIL ENTERING AIR DB/WB TEMPERATURE [

0

DATA

C]

22/15 24/17 27/19 29/21 32/23

0

C]

TC 80 - 110 % of nominal SC 80 - 105 % of nominal

PI 25 - 50 % of nominal TC 5.91 6.26 6.61 6.95 7.30 SC 4.64 4.71 4.78 4.85 4.92

PI 1.50 1.54 1.57 1.61 1.64 TC 5.61 5.96 6.30 6.65 7.00 SC 4.46 4.53 4.60 4.67 4.74

PI 1.71 1.75 TC 5.30 5.65

1.78

6.00

1.81 1.85

6.35 6.70

SC 4.28 4.35 4.42 4.49 4.56

PI 1.92 1.96 TC 5.00 5.35

1.99

5.70

2.02 2.06

6.05 6.39

SC 4.10 4.17 4.24 4.31 4.38

PI 2.13 2.17 2.20 2.23 2.27 TC 4.64 4.99 5.33 5.68 6.03 SC 3.88 3.95 4.02 4.09 4.16

PI 2.38 2.42 2.45 2.48 2.52

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

5.6.2 Capacity Correction Factors

Cool ing Ca pa ci ty Ra tio Vs. Ou tdoo r Te m pe ra tur e

1.20

1.10

1.00

0.90

0.80

0.70

Capaci ty Ratio n

0.60

0.50

20 25 30 35 40 45

Outdoor DB Temperature [ºC]

SM LEXDCI 1-E.1 GB

5-9

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.6.3 Heating Capacity (kW) - Run Mode

230[V] : Indoor Fan at High Speed.

ID COIL ENTERING AIR DB TEMPERATURE [0C]

OD COIL ENTERING

AIR DB/WB

TEMPERATURE [

DATA

0

C]

15 20 25

-15/-16

-10/-12

-7/-8

-1/-2

2/1

7/6

10/9

15/12

15-24

(Protection Range)

TC 2.96 2.53 2.11

PI 1.33 1.42 1.52

TC 3.90 3.48 3.05

PI 1.50 1.60 1.69

TC 4.61 4.19 3.76

PI 1.63 1.73 1.82

TC 4.97 4.54 4.12

PI 1.70 1.79 1.82

TC 5.21 4.78 4.35

PI 1.74

TC 6.93

PI 1.81

TC 7.28

PI 1.84 1.93 2.03

TC 7.64 7.22 6.79

PI 1.87 1.97 2.06

TC 85 - 105 % of nominal

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 OD – Outdoor

1.84

6.50

1.90

6.86

1.93

6.07

2.00

6.43

5.6.4 Capacity Correction Factors

5-10

1.20

1.10

1.00

0.90

0.80

0.70

0.60

Capacity Ration

0.50

0.40

Heating Capa city Ratio Vs. Outdoor Tempera ture

-15 -10 -5 0 5 10 15

Outdoor WB Temperature [ºC]

SM LEXDCI 1-E.1 GB

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.7 LEX 72 / DCI 72Z

5.7.1 Cooling Capacity (kW) - Run Mode

230[V] : Indoor Fan at High Speed.

OD COIL

ENTERING AIR DB

TEMPERATURE [

-10 - 20

(protection range)

25

30

35

40

(Protection Range)

46

(Protection Range)

ID COIL ENTERING AIR DB/WB TEMPERATURE [

0

C]

TC

DATA

22/15 24/17 27/19 29/21 32/23

80 - 110 % of nominal

0

C]

SC 80 - 105 % of nominal

PI 25 - 50 % of nominal

TC 6.70 7.09 7.49 7.88 8.28

SC 5.04 5.12 5.19 5.27 5.34

PI 1.70 1.74 1.78 1.82 1.85

TC 6.35 6.75 7.14 7.54 7.93

SC 4.85 4.92 5.00 5.07 5.15

PI 1.94 1.98 2.01 2.05 2.09

TC 6.01 6.41 6.80 7.19 7.59

SC 4.65 4.73 4.80 4.87 4.95

PI 2.17 2.21 2.25 2.29 2.33

TC 5.67 6.06 6.46 6.85 7.25

SC 4.45 4.53 4.60 4.68 4.75

PI 2.41 2.45 2.49 2.52 2.56

TC 5.26 5.65 6.04 6.44 6.83

SC 4.22 4.29 4.37 4.44 4.52

PI

2.69 2.73 2.77 2.81 2.85

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

5.7.2 Capacity Correction Factors

Cool ing Ca pacity Ra ti o Vs. Outdoor Te m pe rature

1.20

1.10

1.00

0.90

0.80

0.70

Capaci ty Ration

0.60

0.50

20 25 30 35 40 45

Outdoor DB Temperature [ºC]

SM LEXDCI 1-E.1 GB

5-11

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.7.3 Heating Capacity (kW) - Run Mode

230[V] : Indoor Fan at High Speed.

ID COIL ENTERING AIR DB TEMPERATURE [0C]

OD COIL ENTERING

AIR DB/WB

TEMPERATURE [

-15/-16

-10/-12

-7/-8

-1/-2

2/1

7/6

10/9

15/12

15-24

(Protection Range)

0

C]

TC

PI 1.53 1.64 1.75

TC 4.23 3.77 3.31

PI 1.73 1.84 1.95

TC 5.00 4.54 4.08

PI 1.88 1.99 2.10

TC 5.39 4.93 4.47

PI 1.96 2.07 2.17

TC 5.65 5.18 4.72

PI 2.01 2.12 2.22

TC 7.51 7.05 6.59

PI 2.08 2.19 2.30

TC 7.90 7.44 6.98

PI 2.12 2.23 2.34

TC 8.28 7.83 7.37

PI 2.16 2.27 2.38

TC 85 - 105 % of nominal

PI

DATA

15 20 25

3.21 2.75 2.28

80 - 120 % of nominal

LEGEND

TC – Total Heating Capacity, kW PI – Power Input, kW WB – Wet Bulb Temp., (oC)

o

DB – Dry Bulb Temp., (

C) ID – Indoor OD – Outdoor

5.7.4 Capacity Correction Factors

1.20

1.10

1.00

0.90

0.80

0.70

0.60

Capacity Ration

0.50

0.40

Heating Capa city Ratio Vs. Outdoor Tempera ture

-15 -10 -5 0 5 10 15

Outdoor WB Temperature [ºC]

5-12

SM LEXDCI 1-E.1 GB

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.8 Capacity Correction Factor Due to Tubing Length

5.8.1 LEX 50 / 60 / 72 DCI: Cooling

1.02

1.00

0.98

0.96

0.94

0.92

0.90

Capacity ratio

0.88

0.86 4 6 8 101214161820 2224262830

Tubing length(m)

5.8.2 Heating

1.02

1.00

0.98

0.96

0.94

0.92

0.90

0.88

Capaci ty ratio

0.86

0.84

4 6 8 101214161820 222426 2830

Tubing Length(m)

SM LEXDCI 1-E.1 GB

5-13

PERFORMANCE DATA & PRESSURE CURVES

CONTENTS

5.9 Pressure Curves

5.9.1. Model: LEX 50 / DCI 50 Cooling — Test Mode

Suction Pressure VS.Outdoor Temp.

1100

1000

900

800

700

600

Suction Pressure [kPa]

500

10 15 20 25 30 35 40 45

Outdoor DB Temperature[ºC ]

Discharge Pressure VS. Outdoor Temp.

4000

3500

3000

2500

2000

1500

Discharge Pressure [kPa]

1000

10 15 20 25 30 35 40 45

Indoor

DB/WB T em p'

22/15

24/17

27/19

29/21

32/23

Indoor

DB/WB T e m p'

22/15

24/17

27/19

29/21

32/23

5-14

Outdoor DB Temperature[ºC ]

SM LEXDCI 1-E.1 GB

Electra LEX 25 DCI, LEX 60 DCI, DCI 25, DCI 35, DCI 50 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

LEX DCI Series

LIST OF EFFECTIVE PAGES

TABLE OF CONTENTS

INTRODUCTION

PRODUCT DATA SHEET

RATING CONDITIONS

OUTLINE DIMENSIONS

PERFORMANCE DATA & PRESSURE CURVES