Electra IOD 7 User manual

Service Manual
Compact Series
REFRIGERANT
R407C
R22
COOLING ONLY
HEAT PUMP
SEPTEMBER - 2005
Indoor Units Outdoor Units
IOD 7 CON 7
IOD 9 CON 9
IOD 12 CON 12

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LIST OF EFFECTIVE PAGES
Revision Y05-01 Service Manual - COMPACT
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 108 consisting of the following:
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Title....................... 0
A ........................... 0
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2-1 - 2-6................ 0
3-1 - 3-2................ 0
4-1 - 4-2................ 0
5-1 - 5-24.............. 1
6-1 - 6-2................ 0
7-1 - 7-2................ 0
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11-1-11-2............... 0
12-1-12-32............ 0
13-1-13-2.............. 0
14-1-14-20............ 0
15-1-15-6.............. 0
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

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TABLE OF CONTENTS
Revision Y05-01Service Manual - COMPACT
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. OPTIONAL ACCESSORIES .................................................................................15-1
16. APPENDIX A

1-1
INTRODUCTION
Revision Y05-01Service Manual - COMPACT
1. INTRODUCTION
1.1 General
The new COMPACT split wall mounted range comprise the ST (cooling only)
and RC (heat pump) models, as follows:
• Cooling Only COMPACT 7 ST, COMPACT 9 ST, COMPACT 12 ST
• Heat Pump COMPACT 7 RC, COMPACT 9 RC, COMPACT 12 RC
The indoor COMPACT units are available as LED display types only, featuring esthetic
design, compact dimensions, and low noise operation.
1.2 Main Features
• R22 and R407C models
• Microprocessor control.
• Infrared remote control with liquid crystal display.
• Cross flow fan, allowing low noise level operation.
• 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 6 different optional
directions.
• Automatic treated air sweep.
• Low indoor and outdoor noise levels.
• Easy installation and service.

1-2
INTRODUCTION
Revision Y05-01 Service Manual - COMPACT
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.
• tangential fan.
• 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 COMPACT series presents several types of air filters:
• Easily accessible, and re-usable pre-filters (mesh)
• Pre-charged electrostatic filter (disposable) – optional
• Active carbon filter (disposable) – optional
1.5 Control
The microprocessor indoor controller, and an infrared remote control, supplied as
standard, provides complete operating function and programming. For further details
please refer to the Operation Manual, Appendix A.
1.6 Outdoor Unit
The COMPACT 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 - COMPACT
1.7 Tubing Connections
Flare type interconnecting tubing to be produced on site.
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.
RCW Wall Mounted Remote Control
The RCW remote control is mounted on the wall, and controls the unit either as an
infrared remote control or as a wired controller. The wired controller can control up to
10 Indoor units with the same program settings and adjustments.
For further details please refer to Optional Accessories, Chapter 15.
1.9 Inbox Documentation
Each unit is supplied with its own installation and operation manuals.
1.10 Matching Table
1.10.1 R407C / R22
OUTDOOR UNITS
INDOOR UNITS
MODEL REF’ IOD 7 IOD 9 IOD 12
CON 7 ST/ RC R407C/R22 √
CON 9 ST/ RC R407C/R22 √
CON 12 ST/ RC R407C/R22 √

2-1
PRODUCT DATA SHEET
Revision Y05-01Service Manual - COMPACT
2. PRODUCT DATA SHEET
2.1 R407C
Model Indoor Unit IOD-7
Model Outdoor Unit CON-7
Installation Method of Pipe Flared
Characteristics Units Cooling Only Cooling Heating
Capacity (1) Btu/hr 7230 7230 7400
kW 2.12 2.12 2.17
Power input (1) kW 0.83 0.83 0.73
EER (Cooling) or COP(Heating) (1) W/W 2.55 2.55 2.97
Energy efficiency class EED
Power supply V/Ph/Hz 230V/Single/50Hz
Rated current A 3.7 3.7 3.3
Starting current A 18
Circuit breaker rating A 10
INDOOR
Fan type & quantity Cross flow x 1
Fan speeds H/M/L RPM 1150/950
Air flow(2) H/M/L m3/hr 400/320
External static pressure Min-Max Pa 0
Sound power level (3) H/M/L dB(A) 50/45
Sound pressure level(4) H/M/L dB(A) 37/31
Moisture removal l/hr 0.7
Condensate drain tube I.D mm 16
Dimensions WxHxD mm 680*250*180
Weight kg 7
Package dimensions WxHxD mm 770*265*325
Packaged weight kg 9.5
Units per pallet units 36
Stacking height units 9 levels
OUTDOOR
Refrigerant control Capillary tube
Compressor type, model Rotary, HITACHI CG433EG1UC
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) 51 52
Dimensions WxHxD mm 610*520*240
Weight kg 24 24.5
Package dimensions WxHxD mm 730*560*350
Packaged weight kg 26.5 26.5
Units per pallet Units 12
Stacking height units 4 levels
Refrigerant type R407C
Refrigerant chargless distance kg/m 0.58kg/m
Additional charge per 1 meter g/m 4m<Lin<8m:+5g/m Lin>8m:+9g/m
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.10
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 EN14511.
(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 - COMPACT
Model Indoor Unit IOD-9
Model Outdoor Unit CON-9
Installation Method of Pipe Flared
Characteristics Units Cooling Only Cooling Heating
Capacity (1) Btu/hr 8530 8530 9080
kW 2.5 2.5 2.66
Power input (1) kW 1.03 1.03 0.93
EER (Cooling) or COP(Heating) (1) W/W 2.43 2.43 2.86
Energy efficiency class EED
Power supply V/Ph/Hz 230V/Single/50Hz
Rated current A 4.5 4.5 4.0
Starting current A 20
Circuit breaker rating A 10
INDOOR
Fan type & quantity Cross flow x 1
Fan speeds H/M/L RPM 1250/1050
Air flow (2) H/M/L m3/hr 450/350
External static pressure Min-Max Pa 0
Sound power level (3) H/M/L dB(A) 52/47
Sound pressure level(4) H/M/L dB(A) 40/36
Moisture removal l/hr 1
Condensate drain tube I.D mm 16
Dimensions WxHxD mm 680*250*180
Weight kg 7
Package dimensions WxHxD mm 770*265*325
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 PG170X1C-4DZ3
Fan type & quantity Propeller(direct) x 1
Fan speeds H/L RPM 900
Air flow H/L m3/hr 1265
Sound power level H/L dB(A) 62 63
Sound pressure level(4) H/L dB(A) 52 53
Dimensions WxHxD mm 610*520*240
Weight kg 26 26.5
Package dimensions WxHxD mm 730*560*350
Packaged weight kg 29 29
Units per pallet Units 12
Stacking height units 4 levels
Refrigerant type R407C
Refrigerant chargless distance kg/m 0.63kg/m
Additional charge per 1 meter g/m 4m<Lin<8m:+5g/m Lin>8m:+15g/m
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.12
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 EN14511.
(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 - COMPACT
Model Indoor Unit IOD-12
Model Outdoor Unit CON-12
Installation Method of Pipe Flared
Characteristics Units Cooling Only Cooling Heating
Capacity (1) Btu/hr 12620 12450 12620
kW 3.7 3.65 3.7
Power input (1) kW 1.29 1.26 1.25
EER (Cooling) or COP(Heating) (1) W/W 2.87 2.90 2.96
Energy efficiency class CCD
Power supply V/Ph/Hz 230V/Single/50Hz
Rated current A 5.7 5.7 6.0
Starting current A 30
Circuit breaker rating A 15
INDOOR
Fan type & quantity Cross flow x 1
Fan speeds H/M/L RPM 1250/1000
Air flow (2) H/M/L m3/hr 600/450
External static pressure Min-Max Pa 0
Sound power level (3) H/M/L dB(A) 54/47
Sound pressure level(4) H/M/L dB(A) 42/36
Moisture removal l/hr 1.7
Condensate drain tube I.D mm 16
Dimensions WxHxD mm 840*250*180
Weight kg 8
Package dimensions WxHxD mm 930*265*325
Packaged weight kg 11
Units per pallet units 36
Stacking height units 9 levels
OUTDOOR
Refrigerant control Capillary tube
Compressor type, model Rotary, TOSHIBA PG215X2C-4FS
Fan type & quantity Propeller(direct) x 1
Fan speeds H/L RPM 735
Air flow H/L m3/hr 1550
Sound power level H/L dB(A) 66 67
Sound pressure level(4) H/L dB(A) 56 57
Dimensions WxHxD mm 760*545*245
Weight kg 37 38
Package dimensions WxHxD mm 880*610*310
Packaged weight kg 40.5 40.5
Units per pallet Units 12
Stacking height units 4 levels
Refrigerant type R407C
Refrigerant chargless distance kg/m 1.015kg/m
Additional charge per 1 meter g/m 4m<Lin<7.5m:+10g/m 7.5M>Lin>15m:+15g/m
Connections between
units
Liquid line In.(mm) Ф 1/4”(6.35)
Suction line In.(mm) Ф 1/2”(12.7)
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 EN14511.
(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
PRODUCT DATA SHEET
Revision Y05-01 Service Manual - COMPACT
1.2 R22
Model Indoor Unit IOD-7
Model Outdoor Unit CON-7
Installation Method of Pipe Flared
Characteristics Units cooling only Cooling Heating
Capacity (1) Btu/hr 7230 7230 7340
kW 2.12 2.12 2.15
Power input (1) kW 0.75 0.75 0.67
EER (Cooling) or COP(Heating) (1) W/W 2.83 2.83 3.21
Energy efficiency class CCC
Power supply V/Ph/Hz 230V/Single/50Hz
Rated current A 3.4 3.4 3.1
Starting current A 16
Circuit breaker rating A 10
INDOOR
Fan type & quantity Cross flow x 1
Fan speeds H/M/L RPM 1150/950
Air flow (2) H/M/L m3/hr 400/320
External static pressure Min-Max Pa 0
Sound power level (3) H/M/L dB(A) 50/45
Sound pressure level(4) H/M/L dB(A) 37/31
Moisture removal l/hr 0.7
Condensate drain tube I.D mm 16
Dimensions WxHxD mm 680*180*250
Weight kg 7
Package dimensions WxHxD mm 770*325*265
Packaged weight kg 9.5
Units per pallet units 36
Stacking height units 9 levels
OUTDOOR
Refrigerant control Capillary tube
Compressor type, model Rotary, HITACHI SD134CV-H6AU
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) 51 52
Dimensions WxHxD mm 610*240*520
Weight kg 23
Package dimensions WxHxD mm 730*350*560
Packaged weight kg 26.5 26.5
Units per pallet Units 12
Stacking height units 4 levels
Refrigerant type R22
Refrigerant chargless distance kg/m 0.5kg/m
Additional charge per 1 meter g/m 4m<Lin<8m:+5g/m Lin>8m:+9g/m
Connections between
units
Liquid line In.(mm) 1/4”(6.35)
Suction line In.(mm) 3/8”(9.53)
Max.tubing length m. Max.10
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 EN14511.
(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.