Electra Alpha 7 Manuel utilisateur

Service Manual

Alpha Series

REFRIGERANT

R410A

COOLING ONLY

HEAT PUMP

JANUARY 2005

Indoor Units Outdoor Units

Alpha 7 CON 7 (Alpha)

Alpha 9 GCN 9 (Alpha)

Alpha 12 GCN 12 (Alpha)

LIST OF EFFECTIVE PAGES

Revision Y05-01 Service Manual - ALPHA

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 ........ 15 December 2004

Total number of pages in this publication is 93 consisting of the following:

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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

TABLE OF CONTENTS

Revision Y05-01Service Manual - ALPHA

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. ELECTRICAL CONNECTIONS.............................................................................9-1

10. REFRIGERATION DIAGRAMS.............................................................................10-1

11. TUBING CONNECTIONS......................................................................................11-1

12. CONTROL SYSTEM .............................................................................................12-1

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

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

15. APPENDIX A .........................................................................................................15-1

1-1

INTRODUCTION

Revision Y05-01Service Manual - ALPHA

1. INTRODUCTION

1.1 General

The new Alpha split wall mounted is based on the compact range. It comprise the ST

(cooling only) and RC (heat pump) models, as follows:

• Cooling Only Alpha 7 ST/CON 7 ST; Alpha 9 ST/GCN 9 ST;

Alpha 12 ST/GCN 12 ST;

• Heat Pump Alpha 7 RC/CON 7 RC; Alpha 9 RC/GCN 9 RC;

Alpha 12 RC/GCN 12 RC;

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

compact dimensions, and low noise operation.

1.2 Main Features

The Alpha series beneﬁts from the most advanced technological innovations, namely:

• R410A models

• Microprocessor control.

• Infrared remote control with liquid crystal display.

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

• Bended indoor coil with treated aluminum ﬁns and coating for improved

efﬁciency.

• High COP.

• 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.

• Automatic treated air sweep.

• Easy installation and service.

• 4M length tubing connection kit is provided in the outdoor unit.

1-2

INTRODUCTION

Revision Y05-01 Service Manual - ALPHA

1.3 Indoor Unit

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

and commercials applications.

It includes:

• Casing with air inlet and outlet grills.

• A large-diameter tangential fan.

• Bended coil with treated aluminum ﬁns.

• Motorized ﬂaps

• Multi-speed motor with internal protection

• Advanced electronic control box assembly

• Interconnecting wiring terminal block

• Mounting plate

1.4 Filtration

The Alpha series presents several types of air ﬁlters:

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

• Pre-charged electrostatic ﬁlter (optional)

• Active carbon ﬁlter (optional)

1.5 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.

1.6 Outdoor Unit

The Alpha outdoor units can be installed as ﬂoor or wall mounted units 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 :

• A Rotary compressor mounted in a soundproofed compartment :

• Axial fan.

• Outdoor coil with hydrophilic louver ﬁns for RC units.

• Outlet air fan grill.

• Service valves” ﬂare” type connection.

• Interconnecting wiring terminal block.

1-3

INTRODUCTION

Revision Y05-01Service Manual - ALPHA

1.7 Tubing Connections

Flare type interconnecting tubing can be produced on site.

A connection pipe kit is provided in outdoor package.

For further details please refer to the Installation Manual, Appendix A.

1.8 Accessories

ASK (All Season Kit):

For low ambient working conditions in cooling, an ASK can be installed inside the

outdoor unit. This kit allows cooling operation down to outdoor temp of -10 ºC by

gradually controlling the outdoor fan speed motor.

1.9 Inbox Documentation

Each unit is supplied with its own installation and operation manuals,one simply remote

control manual

1.10 Matching Table

1.10.1 R410A

OUTDOOR UNITS

INDOOR UNITS

MODEL REFRIGER. Alpha 7 Alpha 9 Alpha 12

CON 7 (Alpha) R410A √

GCN 9 (Alpha) R410A √

GCN 12 (Alpha) R410A √

2-1

PRODUCT DATA SHEET

Revision Y05-01Service Manual - ALPHA

2. PRODUCT DATA SHEET

2.1 R410A

Model Indoor Unit Alpha 7

Model Outdoor Unit CON 7 (Alpha)

Installation Method of Pipe Flared

Characteristics Units Cooling Only Cooling Heating

Capacity (1) Btu/hr 7000 7000 7300

kW 2.05 2.05 2.15

Power input (1) kW 0.68 0.68 0.63

EER (Cooling) or COP(Heating) (1) W/W 3.01 3.01 3.41

Energy efﬁciency class BBB

Power supply V/Ph/Hz 230V/Single/50Hz

Rated current A 3.0 3.0 2.8

Starting current A 15

Circuit breaker rating A 10

INDOOR

Fan type & quantity Crossﬂow x 1

Fan speeds H/M/L RPM 1150/950

Air ﬂow (2) H/M/L m3/hr 390/320

External static pressure Min-Max Pa 0

Sound power level (3) H/M/L dB(A) 50/44

Sound pressure level(4) H/M/L dB(A) 37/32

Moisture removal l/hr 0.8

Condenstate drain tube I.D mm 16

Dimensions WxHxD mm 680*250*180

Weight kg 7

Package dimensions WxHxD mm 740*250*310

Packaged weight kg 9.5

Units per pallet units 36

Stacking height units 9 levels

OUTDOOR

Refrigerant control Capillary tube

Compressor type, model Rotary,TOSHIBA,PA82X1C-4DZDE

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 850

Air ﬂow H/L m3/hr 1200

Sound power level H/L dB(A) 61 62

Sound pressure level(4) H/L dB(A) 52 53

Dimensions WxHxD mm 610*235*490

Weight kg 27 27.5

Package dimensions WxHxD mm 720*550*360

Packaged weight kg 30/33.5(with kit) 30.5/34(with kit)

Units per pallet Units 12

Stacking height units 4 levels

Refrigerant type R410A

Refrigerant chargless distance Kg/m 0.72kg/7.5m

Additional charge kg 4m≤length≤10m,0.72kg; 10m<length≤15m,0.8kg

Connections between

units

Liquid line In.(mm) Ф 1/4”(6.35)

Suction line In.(mm) Ф 3/8”(9.53)

Max.tubing length m. Max.15

Max.height

difference m. Max.7

Operation control type Remote control

Heating elements 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.

2-2

PRODUCT DATA SHEET

Revision Y05-01 Service Manual - ALPHA

Model Indoor Unit Alpha 9

Model Outdoor Unit GCN 9 (Alpha)

Installation Method of Pipe Flared

Characteristics Units Cooling Only Cooling Heating

Capacity (1) Btu/hr 9000 9000 9650

kW 2.64 2.64 2.83

Power input (1) kW 0.87 0.87 0.93

EER (Cooling) or COP(Heating) (1) W/W 3.03 3.03 3.04

Energy efﬁciency class BBD

Power supply V/Ph/Hz 230V/Single/50Hz

Rated current A 3.9 3.9 4.1

Starting current A 21.7

Circuit breaker rating A 10

INDOOR

Fan type & quantity Crossﬂow x 1

Fan speeds H/M/L RPM 1310/1100

Air ﬂow (2) H/M/L m3/hr 450/360

External static pressure Min-Max Pa 0

Sound power level (3) H/M/L dB(A) 53/49

Sound pressure level(4) H/M/L dB(A) 41/35

Moisture removal l/hr 1.2

Condenstate drain tube I.D mm 16

Dimensions WxHxD mm 680*250*180

Weight kg 7

Package dimensions WxHxD mm 740*250*310

Packaged weight kg 9.5

Units per pallet units 36

Stacking height units 9 levels

OUTDOOR

Refrigerant control Capillary tube

Compressor type,model Rotary,TOSHIBA,PA108X1C-4FZDE

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 750

Air ﬂow H/L m3/hr 1370

Sound power level H/L dB(A) 59 61

Sound pressure level(4) H/L dB(A) 49 51

Dimensions WxHxD mm 830x245x545

Weight kg 32.5 33.5

Package dimensions WxHxD mm 880x320x610

Packaged weight kg 35/38.5(with kit) 36/39.5(with kit)

Units per pallet Units 9

Stacking height units 3levels

Refrigerant type R410A

Refrigerant chargless distance kg/m 0.85kg/7.5m 0.9kg/7.5m

Additional charge kg 4m≤length≤10m,0.85kg

10m<length≤15m,0.93kg

4m≤length≤10m,0.9kg

10m<length≤15m,0.98kg

Connections between

units

Liquid line In.(mm) Ф 1/4”(6.35)

Suction line In.(mm) Ф 3/8”(9.53)

Max.tubing length m. Max.15

Max.height

difference m. Max.7

Operation control type Remote control

Heating elements 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.

2-3

PRODUCT DATA SHEET

Revision Y05-01Service Manual - ALPHA

Model Indoor Unit Alpha 12

Model Outdoor Unit GCN 12 (Alpha)

Installation Method of Pipe Flared

Characteristics Units Cooling Only Cooling Heating

Capacity (1) Btu/hr 12000 12000 12900

kW 3.50 3.50 3.78

Power input (1) kW 1.16 1.16 1.17

EER (Cooling) or COP(Heating) (1) W/W 3.02 3.02 3.23

Energy efﬁciency class BBC

Power supply V/Ph/Hz 230V/Single/50Hz

Rated current A 5.2 5.2 5.2

Starting current A 31.5

Circuit breaker rating A 10

INDOOR

Fan type & quantity Crossﬂow x 1

Fan speeds H/M/L RPM 1210/950

Air ﬂow (2) H/M/L m3/hr 620/460

External static pressure Min-Max Pa 0

Sound power level (3) H/M/L dB(A) 53/47

Sound pressure level(4) H/M/L dB(A) 40/33

Moisture removal l/hr 1.5

Condenstate drain tube I.D mm 16

Dimensions WxHxD mm 840*250*180

Weight kg 8

Package dimensions WxHxD mm 900*250*310

Packaged weight kg 11

Units per pallet units 36

Stacking height units 9 levels

OUTDOOR

Refrigerant control Capillary tube

Compressor type,model Rotary,TOSHIBA,PA145X2C-4FT

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 830

Air ﬂow H/L m3/hr 1450

Sound power level H/L dB(A) 65 65

Sound pressure level(4) H/L dB(A) 54 54

Dimensions WxHxD mm 830x245x545

Weight kg 37 38

Package dimensions WxHxD mm 880x320x610

Packaged weight kg 39.5/43(with kit) 40.5/44(with kit)

Units per pallet Units 9

Stacking height units 3 levels

Refrigerant type R410A

Refrigerant chargless distance kg/m 0.89kg/7.5m

Additional charge per 1 meter g/m 4m≤length≤10m,0.89kg

10m<length≤15m,0.97kg

Connections between

units

Liquid line In.(mm) Ф1/4”(6.35)

Suction line In.(mm) ø3/8”(9.53)

Max.tubing length m. Max.15

Max.height

difference m. Max.7

Operation control type Remote control

Heating elements 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.

3-1

RATING CONDITIONS

Revision Y05-01Service Manual - ALPHA

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

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 -9oC DB -10oC WB

Voltage 198 – 264 V

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