Electrolux EXH09HL1W User manual

SERVICE MANUAL
AIR CONDITIONER
INVERTER
SPLIT SYSTEM
AIR CONDITIONER
MODEL:
EXH09HL1W
EXH12HL1W
Electrolux Home Products Italy S.p.A.
Corso Lino Zanussi, 30
Publication number
I - 33080 Porcia –PN -
599 75 60-77
Fax: + 39 0434 394096
SOE
Edition: 07-2012 Rev 0.0
EN

2010-10 ADL 2/62 599 73 60-74

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Index
1. Safety Precautions: refer to Page 3.
2. ESD Requirements: refer to Pages 4 & 5.
3. Specifications: refer to Pages 6 to 7.
4. Component Overview: refer to Pages 8 & 9.
5. Dimention: refer to Pages 10 & 11.
6. Installation Brief: refer to Pages 12 to 15
7. Electrical Functions: refer to Pages 16 to 23.
8. Schematic Diagram: refer to Pages 24 to 27.
9. Troubleshooting: refer to Pages 28 to 52.
10. Disassembly Precedure: refer to Pages 53 to 60.

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1. Safe Electrical Working Practices:
Isolate Power Before Attempting to Service anyAppliance.
Remove Power cord, Fuse or Switch off the Circuit Breaker.
Always check appliance with multimeter to ensure the power is disconnected.
If you have to work on a live appliance all precautions must be taken.
Use only Insulated tools and equipment.
Wear insulated shoes.
No water on the floor or working space.
Reduce the amount of exposed skin, by covering your arms and legs.
Remove jewelry (rings, watches etc).
It is essential that you conform to all local "Working Live" and "Risk Management" statutory requirements.
Duty of Care:
The Appliance Must Be Electrically and Mechanically Safe To Use
Always check appliance with Megga to before reconnecting the power supply.

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2. ESD Requirements

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3. Specifications
Parameter
Unit
Value
Value
Model
EXH09HL1W
EXH12HL1W
Power
Supply
Rated Voltage
V～
220-240
220-240
Rated Frequency
Hz
50
50
Phases
1
1
Power Supply Mode
Indoor
Indoor
Cooling Capacity (Min～Max)
W
2500(700～4400)
3500(700～4500)
Heating Capacity (Min～Max)
W
2600(720～4200)
4000(720～4800)
Cooling Power Input (Min～Max)
W
485(170～1350)
823(150～1450)
Heating Power Input (Min～Max)
W
500(182～1300)
952(190～1500)
Cooling Power Current
A
2.10
3.60
Heating Power Current
A
2.20
4.10
Rated Input
W
1400
1700
Rated Current
A
6.20
7.5
Air Flow Volume((SH/H/MH/M/L/ML/SL)
m3/h
770/670/610/530/460/410/380
770/670/610/530/460/410/380
Dehumidifying Volume
L/h
0.8
1.4
EER
W/W
5.15
4.25
COP
W/W
5.20
4.20
SEER
W/W
-
-
HSPF
W/W
-
-
Application Area
m2
12-18
16-24
Indoor
Unit
Model of indoor unit
EXH09HL1WI
EXH12HL1WI
Fan Type
Cross-flow
Cross-flow
Diameter Length(DXL)
mm
Φ98X662
Φ98X662
Fan Motor Cooling Speed
(SH/H/MH/M/L/ML/SL)
r/min
1350/1070/1000/900/
800/700/500
1350/1070/1000/900/
800/700/500
Fan Motor Heating Speed
(SH/H/MH/M/L/ML/SL)
r/min
1350/1150/1080/1030/
980/900/850
1350/1150/1080/1030/
980/900/850
Output of Fan Motor
W
15
15
Fan Motor RLA
A
0.07
0.07
Fan Motor Capacitor
μF
-
-
Input of Heater
W
-
-
Evaporator Form
Aluminum Fin-copper Tube
Aluminum Fin-copper Tube
Pipe Diameter
mm
Φ7
Φ7
Row-fin Gap
mm
2-1.5
2-1.5
Coil Length (LXDXW)
mm
662X25.4X305
662X25.4X305
Swing Motor Model
MP24HA/MP24HB/MP24HC
MP24HA/MP24HB/MP24HC
Output of Swing Motor
W
2.4/2.4/2.4
2.4/2.4/2.4
Fuse
A
PCB 3.15A
PCB 3.15A
Sound Pressure Level
(SH/H/MH/M/L/ML/SL)
dB (A)
43/36/34/32/28/24/22
43/36/34/32/28/24/22
Sound Power Level
(SH/H/MH/M/L/ML/SL)
dB (A)
55/48/46/44/40/36/34
55/48/46/44/40/36/34
Dimension (WXHXD)
mm
896X316X205
896X316X205
Dimension of Carton Box
(LXWXH)
mm
950X385X280
950X385X280
Dimension of Package (LXWXH)
mm
953X388X295
953X388X295
Net Weight
kg
12.0
12.0
Gross Weight
kg
14.0
14.0

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Outdoor Unit
Model of Outdoor Unit
EXH09HL1WE
EXH12HL1WE
Compressor
Manufacturer/Trademark
CHINA
RESOURCES(SHENYANG)
SANYO COMPRESSOR CO.
LTD
CHINA
RESOURCES(SHENYANG)
SANYO COMPRESSOR CO.
LTD
Compressor Model
C-6RZ110H1A
C-6RZ110H1A
Compressor Oil
FV50S
FV50S
Compressor Type
Rotary
Rotary
L.R.A.
A
33
33
Compressor RLA
A
4.59
4.59
Compressor Power Input
W
800
800
Overload Protector
1nt11l-3979
1nt11l-3979
Throttling Method
Electron expansion valve
Electron expansion valve
Operation temp
ºC
16～30
16～30

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Ambient temp (cooling)
ºC
16～48
16～48
Ambient temp (heating)
ºC
–20～+24
–20～+24
Condenser Form
Aluminum Fin-copper Tube
Aluminum Fin-copper Tube
Pipe Diameter
mm
Φ7.94
Φ7.94
Rows-fin Gap
mm
2.5-1.5
2.5-1.5
Coil Length (LXDXW)
mm
762X57X550
762X57X550
Fan Motor Speed
rpm
750/600
750/600
Output of Fan Motor
W
40
40
Fan Motor RLA
A
0.23
0.23
Fan Motor Capacitor
μF
-
-
Air Flow Volume of Outdoor Unit
m3/h
2000
2000
Fan Type
Axial-flow
Axial-flow
Fan Diameter
mm
Φ445
Φ445
Defrosting Method
Automatic Defrosting
Automatic Defrosting
Climate Type
T1
T1
Isolation
I
I
Moisture Protection
IP24
IP24
Permissible Excessive Operating
Pressure for the Discharge Side
MPa
4.3
4.3
Permissible Excessive Operating
Pressure for the Suction Side
MPa
2.5
2.5
Sound Pressure Level (H/M/L)
dB (A)
51/-/-
52/-/-
Sound Power Level (H/M/L)
dB (A)
63/-/-
64/-/-
Dimension (WXHXD)
mm
818X596X300
818X596X300
Dimension of Carton Box
(LXWXH)
mm
945X417X630
945X417X630
Dimension of Package (LXWXH)
mm
948X420X645
948X420X645
Net Weight
kg
43
43
Gross Weight
kg
48
48
Refrigerant
R410A
R410A
Refrigerant Charge
kg
1.3
1.3
Connectio
n Pipe
Length
m
5
5
Gas Additional Charge
g/m
20
20
Outer Diameter Liquid Pipe
mm
Φ6
Φ6
Outer Diameter Gas Pipe
mm
Φ9.52
Φ9.52
Max Distance Height
m
10
10
Max Distance Length
m
20
20

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4.Component Overview
(1)Power cord
(2)Remote controller
(3)Front panel
(4)Fitter
(5)Horizontal louver
(6)Wall pipe
(7)Binding tape
(8)Connection pipe
(9)Drain hose
(10)Drain connecter

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Display Panel(indoor unit)
(10)Heating indicator:
This indicator illuminates when the
air conditioner is in HEAT mode.
(11)Cooling indicator:
This indicator illuminates when the
air conditioner is in COOL mode
(12)LED indicator
(13)Power indicator:
This indicator illuminates when the
air conditioner is connected to the power supply.
(14)Drying indicator:
This indicator illuminates when the
air conditioner is in DRY mode
(15)Infrared signal receiver
Note: Arry of the above-mentioned
indicators will illuminate only when the
LIGHT function is activated
By the remote control.

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5. Dimensions
Indoor Unit
Unit：mm
Models
W(R)
D
H
H1
H2
H3
Q
Q1
S
S1
EXH09HL1W
EXH12HL1W
896
205
316
267
35
34.5
177
160
178
80

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EXH09HL1W (outdoor) & EXH12HL1W(outdoor)

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6. Installation Brief
Operating Temperatures:
Cooling & Heating models
MODE
Cool
Heat
Dehumidifier
Temperature
Temperature
Temperature
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
16°C~30°C
16°C~48°C
16°C~30°C
-20°C~24°C
16°C~30°C
16°C~48°C

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Installation Site Instructions
Proper installation site is vital for correct and efficient operation of the unit. Avoid the following sites where:
●strong heat sources, vapours, flammable gas or volatile liquids are emitted.
●high-frequency electro-magnetic waves are generated by radio equipment,
●welders and medical equipment.
●salt-laden air prevails (such as close to coastal areas).
●the air is contaminated with industrial vapours and oils.
●the air contains sulphures gas such as in hot spring zones.
●corrosion or poor air quality exists.
Installation Site of Indoor Unit
1. The air inlet and outlet should be away from the obstructions.
Ensure the air can be blown through the whole room.
2. Select a site where the condensing water can be easily
drained out, and where it is easily connected for outdoor unit.
3. Select a place where it is out of reach of children.
4. Select the place where the wall is strong enough to
With stand the full weight and vibration of the unit.
5. Be sure to leave enough space to allow access for routine
maintenance. The installation site should be 250cm or more above the floor.
6. Select a place about 1m or more away from TV set or
any other electric appliance.
7. Select a place where the filter can be easily taken out.
8. Make sure that the indoor unit is installed in accordance
with installation dimension instructions.
9. Do not use the unit in the laundry or by swimming pool etc.
Installation Site of Outdoor Unit
1.Select a site where noise and outflow air emitted by unit will not
annoy neighbors.
2.Select a site where there is sufficient ventilation.
3.Select a site where there is no obstruction blocking the inlet and
outlet.
4.The site should be able to withstand the full weight and vibration.
5.Select a dry place, but do not expose the unit to direct sunlight or
strong wind.
6.Make sure that the outdoor unit is installed in accordance with the
installation instructions,and is convenient for maintenance and
repair.
7.The height difference between indoor and outdoor units is within
10 m, and the length of the connecting tubing does not exceed 20
8.Select a place where it is out of reach of children.
9.Select a place which will not block pedestrian passage and influence the city appearance.

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Piping Length, Elevation, Flare Work & Torque Settings
Model
Piping
Standard
Length
(m)
Max
Elevation
(m)
Max
Length
(m)
Additional
Refrigerant
(g/m)
GAS
LIQUID
EXH09HL1W
3/8
9.52mm
1/4
6.00mm
5
10
20
20
EXH12HL1W
3/8
9.52mm
1/4
6.00 mm
5
10
20
20
Flaring work.
Firmly hold copper pipe in a
die in the dimension shown in The table below
.
Connection Adjustment
1. Align the pipes to be connected.
2. Screw the flare nut with your
fingers,and the tighten it with
a spanner and torque wrench,
as shown in the following figure.
OUTER
DIAMETER(mm)
A(mm)
Max.
Min.
6,00
1,3
0,7
9,52
1,6
1,0
12,70
1,8
1,0
16
2,4
2,2
OUTER
DIAMETER(mm)
TIGHTENING
TORQUE(N/cm)
ADITINAL TIGHTENING
TORQUE(N/cm)
6,00
1570(160 kgf/cm)
1960(200 kgf/cm)
9,52
2940(300 kgf/cm)
3430(350 kgf/cm)
12,70
4900(500 kgf/cm)
5390(550 kgf/cm)
16
6000(611 kgf/cm)
6500(663 kgf/cm)
Caution:Excessive twisting may
break the nut,depending on the
installation conditions.

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Electrical Work:
CAPACITY
POWER SUPPLY
INPUT RATED AMP
Switch/Fuse
CABLE SIZE
EXH09HL1W
EXH12HL1W
220-240V~/50Hz
16A/16A
1.5 mm2(power cord)
1.5 mm2(connecting cable)
Connect the Cable to the Indoor Unit（instruction manual）
1.The inside and outside connecting cable can be
connected without removing the front panel.
2. Connecting cable between indoor unit and outdoor unit
shall be approved polychloroprene sheathed flexible
cord,type designation H07RN-F or heavier cord.
3.Life the indoor unit panel up,remove the electrical
box cover by loosening the screw.
4.Ensure the colour of wires of outdoor unit and the
terminal Nos. are the same to the indoor respectively.
5.Wrap those cables not connected with terminals with
insulation tapes,so that they will not touch any electrical
components.Secure the cable onto the control board
with the cord clamp.
Connect the Cable to the Outdoor Unit
1.Remove the electrical control board cover from the
outdoor unit by loosening the screw.
2.Connect the connective cables to the terminals as
Identified with their respective matched numbers on
the terminal block of indoor and outdoor unit.The connective
cable to power supply shall be approved polychloroprene sheathed flexible
cord,type designation H07RN-F or heavier cord.
3.Securd the cable onto the control board with the cord
clamp.
4.To prevent the ingress of water,form a loop of the connective
cable as illustrated in the installation diagram of indoor and outdoor
units.
5.Insulate unused cord(conductors) with PVC-tape.Process them so
they could not touch any electrical or metal parts.

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7. Electronic Function
1.Temperature Parameters
◆Indoor preset temperature (Tpreset)
◆Indoor ambient temperature (Tamb.)
2.Basic Functions (The temperature in this manual is expressed by Centigrade. If Fahrenheit is used, the switchover between
them is Tf=TcX1.8+32.)
Once the unit is energized, the compressor shall never be restarted except 3mins interval at least. For the first energization, if
the unit is at off status before power failure, the compressor can be restarted without 3-min delay. But if the unit is at ON status
before power failure, the compressor shall be restarted with 3mins delay. Once the compressor is started up, the compressor
won't stop running within 6mins with the change of room temperature.
(1)Cooling Mode
①Cooling Conditions and Process
When Tamb. ≥Tpreset, the unit starts cooling operation. In this case, the compressor and the outdoor fan operate and the
indoor fan operates at set speed.
When Tamb. ≤Tpreset-3℃, the compressor and the outdoor fan stop while the indoor fan runs at set speed.
When Tpreset-3℃＜Tamb. ＜Tpreset, the unit will maintain its previous running status.
In cooling mode, the temperature setting range is 16～30℃; Indoor unit displays operation icon, cooling icon and set
temperature.
(2) Dry Mode
①Drying Conditions and Process
When Tamb.>Tpreset, the unit operates in cooling mode. Meanwhile, compressor and outdoor fan operate, and indoor fan
operates at set fan speed (low fan speed, quiet fan speed).
When Tpreset-3℃＜Tamb. ≤Tpreset, the unit keeps previous operation status.
When Tamb. ≤Tpreset-3℃, compressor, outdoor fan and indoor fan operate at set fan speed (low fan speed, quiet fan speed).
Under this mode, the temperature setting range is 16～30℃. Display displays operation icon, drying icon and set temperature.

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(3) Heating Mode (this mode isn’t available for cooling only unit)
①Heating Conditions and Process
When Tamb. ≤Tpreset+2℃, the unit operates in cooling mode. Compressor and outdoor fan operate and indoor fan operates
according to cold air prevention.
When Tamb.≥Tpreset+5℃, compressor and outdoor fan stop operation, while indoor fan operates according to blowing residual
heat.
When Tpreset+2℃＜Tamb.＜Tpreset+5℃, the unit operate at previous running status.
In heating mode, the temperature setting range is 16～30℃; Indoor unit displays operation icon, cooling icon and set
temperature.
②Defrosting
When there’s too much frost on outdoor condenser, the complete unit will enter into defrosting automatically to assure the best
heating effect. During defrosting process, H1 is displayed.
③Blow Residual Heat
When heating temperature reaches to the temperature point of stop operation, compressor and outdoor fan will stop operation.
The big horizontal louver rotates to the defaulted position in cooling and small horizontal louver will close. Indoor fan will stop
operation after operating at set fan speed for 60s.
When the unit operates in heating or auto heating mode, compressor is started up and the unit will stop operation after indoor
fan starts operation. Compressor and outdoor fan stop operation. The big horizontal louver will rotate to the position of breeze
(defaulted position in cooling), while the small horizontal louver will close. The unit will stop operation after indoor fan operates
at low fan speed for 10s.
④Cold Air Prevention
In heating mode, in order to prevent the cold air comes out when turning on the compressor, the indoor fan can only be started
up after compressor operates for 2 minutes.

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(4) Fan Mode
In fan mode, indoor fan operates at set fan speed, while compressor and outdoor fan all stop operation.
In fan mode, the temperature setting range is 16～30℃. Display is displaying operation icon and set temperature.
(5) Auto Mode
In auto mode, the system will select the operation mode (cooling, hearing of fan mode) according to the change of ambient
temperature automatically. The display displays operation icon, actual operation mode and set temperature. 30s will be delayed
for protection during mode switchover. Protection function is the same as that in other modes.
The selection method for auto operation mode in details is as below:
a. When Tamb. ≥26℃, the unit operates in cooling mode. The defaulted set temperature is 25℃;
b. When Tamb. ≤21℃, the unit operates in heating mode. The defaulted set temperature is 20℃ (if it’s the cooling only unit that
operates in fan mode, the defaulted set temperature is 25℃);
c. When 22℃≤Tamb.≤25℃, if the unit is turned on for the first time, it will operate in auto fan mode; if the unit is switched to auto
mode from other mode, it will keep previous operation mode; if the unit is switched to auto mode from dry mode, it will operates
in fan mode.
d. When the unit operates in auto mode, frequency of compressor during cooling and heating is same as that in cooling mode
and heating mode respectively.
Protection function:
a. It’s the same as that in cooling mode when it operates in cooling;
b. It’s the same as that in heating ode when it operates in heating;
(6) 8℃Heating Function
In heating mode, press IONFilter+clock buttons on remote controller simultaneously. In this mode, “cold air prevention
protection” will be shielded.
①8℃heating mode and sleep function can’t be set at the same time. If 8℃heating mode has been set, press sleep button will
cancel 8℃heating mode. The set temperature value is the set temperature before entering the 8℃heating mode. If sleep
function has been set, press IONFilter+clock button on remote controller simultaneously to set 8℃heating mode, meanwhile,
sleep function will be canceled.
②Set temperature is 8℃; Indoor fan displays 8℃.
③ In this mode, turbo function can be set and fan speed can’t be adjusted as well.
④In this mode, when compressor is operating, fan speed will be adjusted according to below auto fan speed; When compressor
stops operation, indoor fan operates at blowing residual heat.
When Tindoor amb. ≤9℃, indoor fan operates at high fan speed;
When 9℃＜Tindoor amb.＜11℃, indoor fan operates at medium fan speed;
When Tindoor amb.≥11℃, indoor fan operates at low fan speed;
As for the switchover among high speed, medium speed and low speed, the unit should operate at every speed for 3minutes
and 30s at least. Others are same as that in heating mode.
⑤The unit with memory function can memorize 8℃heating mode.