Electra Alpha 7 User manual

Service Manual

Alpha Series

REFRIGERANT

R410A

COOLING ONLY

HEAT PUMP

OCTOBER - 2007

Indoor Units Outdoor Units

Alpha 7 CON 7 (Alpha)

Alpha 9 GCN 9 (Alpha)

Alpha 9 DF ONG3-9

Alpha 12 GCN 12 (Alpha)

Alpha 12 DF ONG3-12

Alpha 17 ONG3-17 (Alpha)

Alpha 17 DF

LIST OF EFFECTIVE PAGES

Revision Y05-02 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 ........ 10 December 2004

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

Page

No.

Revision

No. #

Page

No.

Revision

No. #

Page

No.

Revision

No. #

Title ....................... 0

A ........................... 0

i ............................. 0

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

2-1 - 2-3 ................ 1

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

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

5-1 - 5-12 .............. 2

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

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

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

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

10-1-10-2 .............. 0

11-1 ....................... 0

12-1-12-32 ............ 1

13-1-13-2 .............. 0

14-1-14-23 ............ 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

TABLE OF CONTENTS

Revision Y05-02Service 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 Y05-02Service 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; Alpha 17 ST/ONG 17 ST;

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

Alpha 12 RC/GCN 12 RC; Alpha 17 RC/ONG 17 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 (optional).

1-2

INTRODUCTION

Revision Y05-02 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 Y05-02Service 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.

1.10 Matching Table

1.10.1 R410A

OUTDOOR UNITS

INDOOR UNITS

MODEL REFRIGER. Alpha 7 Alpha 9 Alpha 12 Alpha 17

CON 7 (Alpha) R410A √

GCN 9 (Alpha) R410A √

GCN 12 (Alpha) R410A √

ONG3 17 (Alpha) R410A √

2-1

PRODUCT DATA SHEET

Revision Y05-02Service 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 BB B

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 Y05-02 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 BB D

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 Y05-02Service Manual - ALPHA

Units Coolin

Onl

Btu/hr 8870

kW 2.6

Sensible capacit

kW 1940

Moisture removal l/hr 0.98

kW 0.78

W/W 3.34

V/Ph/Hz

3.5

Fan speeds RPM

External static pressure Nom Pa

amp

(

)

(

)

WxDxH mm

watt

amp

RPM

m3/hr

RPM

watt

(

)

(

)

WxDxH mm

32 / 34.5

In.

(

)

In.

(

)

kW -

795*610*290 / 970*650*394

R410A

Running Current (Rated)

60 / -

730

0.45

41/-/35

supplied by others

0.13

53/-/49

Max.8

RC7 Remote control

680*250*180 / 740*310*248

9.5

Capillary tube

Flared

Max15

1.5

21°C/ 46°C

-9°C / 24°C

Power level (H/L)

Pressure level(3) (H/L)

Coil

49 / -

Weight

Air flow

3/8"(9.53)

Speed (H/L)

Motor Type

0.91kg/7.5m

4m�L�10m: +0g; 10m�L�15m: +80g

Sound

Add charge per mtr

Model Indoor unit

Outdoor unit

Cooling Temperature Operating Range (Min/Max)

Fan

Rows

Heating elements (Option) -

Max.tubing length

Connections between

units

Suction line

Max.height difference

Operation control type

Liquid line

Type

1/4"(6.35)

Others -

1750

33 / 35.5

Dimensions/(packaged)

Weight(packaged)

fixed RPM

Area

400

21°C DB (15 °C WB) / 32°C DB (23°C WB)

Sound

ONG3-9 R410A B1

Motor kW

10°C /27°C

Power level (H/M/L)

Pressure level(3) (H/M/L

Condenstate drain tube I.D

Airflow direction control

Air Filter

Cooling Temperature Operating Range (Min/Max)

Type

Model

Heating Temperature Operating Range (Min/Max)

Dimensions/(packaged)

Fin Spacing

Type

Blades

Motor output

Diameter

21.7

H/M/L

Fan type & quantity

Delta 9RC/ST fixed rpm R410A

Model

Centifugal x1

1310/-/1100

OUTDOOR

Compressor

Motor Speed

Refrigerant Chargless distance

Heating Temperature Operating Range (Min/Max)

Type

Control

Model

Running Current (Rated

)

3.35

Power supply 220-240V/Single/50Hz

INDOOR

Air flow (1)

3.8

Starting current

Circuit breaker rating

0.850

1940 -

Capacity (4)

Total 8870 9720

2.6 2.85

0.98

EER (Cooling) or COP(Heating) (4) 3.34

Heating

Delta 9RC/ST fixed rpm R410A

ONG3-9 R410A B1

Characteristics Cooling

Running Current (Rated) 3.5

Coil

Fin Spacing 1.5

Power input (4) 0.78

100

Rows

0.126Area

L/S -

125

Single Rotary

PA103X1C-4DZDE

3000

Propeller(direct) x 1

840/870

3.90/3.80

(1) Airﬂow in ducted units;at nominal external static pressure.

(2)Sound power in ducted units is measured at air discharge.

(3)Sound pressure level measured at 1-meter distance from unit.

(4)Rating conditions in accordance to AS 3823, ISO 5151 and ISO 13253 (for ducted units).

2-4

PRODUCT DATA SHEET

Revision Y05-02 Service 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 BB C

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.

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