AEG-Electrolux ESER21PSAMB, ESCR21PSAMB, EXS24HE2WI, EXS09HC7, EXS12HC1WE User Manual
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Website: www.mideaaircon.com
Service manual
CAUTION
-BEFORE SERVICING THE UNIT, READ THE SAFETY
-PRECAUTIONS IN THIS MANUAL.
-ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODELS:
EL-KF20GW/N2Y-A(B) EL-KFR20GW/N2Y-A(B) EL-KF36GW/N2Y-A(B) EL-KFR36GW/N2Y-A(B) EL-KF61GW/N2Y-A(B) EL-KFR61GW/N2Y-A(B) EL-KFR20GW/N1Y-A(B) EL-KFR26GW/N1Y-A(B) EL-KF20GW/Y-A(B) EL-KFR20GW/Y-A(B)
EL-KF32GW/Y-A(B) EL-KFR32GW/Y-A(B) EL-KF50GW/Y-A(B) EL-KFR50GW/Y-A(B) EL-KF70GW/Y-A(B) EL-KFR70GW/Y-A(B)
EL-KF90GW/SY-A(B) EL-KFR90GW/SY-A(B) AU-KF70GW/Y-A(B) AU-KFR70GW/Y-A(B) EL1-KF20GW/Y-A(B) EL1-KFR20GW/Y-A(B) EL1-KF32GW/Y-A(B) EL1-KFR32GW/Y-A(B)
EL1-KF26GW/N2Y-A(B) EL1-KFR26GW/N2Y-A(B) EL-KT3F53GW/Y-T2 EL-KT3F53GW/Y-T1 EL-KT3F70GW/Y-T2 EL-KT3F70GW/Y-T1 SEL-KF20GW/Y-A(B) SEL-KFR20GW/Y-A(B) SEL-KF32GW/Y-A(B) SEL-KFR32GW/Y-A(B) SEL-KF61GW/Y-A(B) SEL-KFR61GW/Y-A(B) SEL1-KF26GW/Y-A(B) SEL1-KFR26GW/Y-A(B)
EL-KF26GW/N2Y-A(B) EL-KF50GW/N2Y-A(B) EL-KF70GW/N2Y-A(B)
EL-KFR36GW/N1Y-A(B) EL-KF26GW/Y-A(B) EL-KF36GW/Y-A(B) EL-KF61GW/Y-A(B) EL-KF90GW/Y-A(B) AU-KF61GW/Y-A(B) AU-KF85GW/Y-A(B) EL1-KF26GW/Y-A(B) EL1-KF20GW/N2Y-A(B) EL1-KF35GW/N2Y-A(B) EL-KT3FR53GW/Y-T1 EL-KT3FR70GW/Y-T1 SEL-KF26GW/Y-A(B) SEL-KF53GW/Y-A(B) SEL-KF70GW/Y-A(B) SEL1-KF36GW/Y-A(B)
EL-KFR26GW/N2Y-A(B) EL-KFR50GW/N2Y-A(B) EL-KFR70GW/N2Y-A(B)
EL-KFR26GW/Y-A(B) EL-KFR36GW/Y-A(B) EL-KFR61GW/Y-A(B) EL-KFR90GW/Y-A(B) AU-KFR61GW/Y-A(B) AU-KFR85GW/Y-A(B) EL1-KFR26GW/Y-A(B)
EL1-KFR20GW/N2Y-A(B) EL1-KFR35GW/N2Y-A(B)
SEL-KFR26GW/Y-A(B) SEL-KFR53GW/Y-A(B) SEL-KFR70GW/Y-A(B) SEL1-KFR36GW/Y-A(B)
0
GD Midea Refrigerant Equipment Co. Ltd |
Service manual for Electrolux split Series |
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CONTENTS |
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1. PREFACE |
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1.1 |
SAFETY PRECAUTIONS........................................................................................................................ |
1 |
1.2 |
INSULATION RESISTANCE TEST......................................................................................................... |
1 |
1.3 |
FEATURES............................................................................................................................................... |
2 |
1.4 |
CONTROL LOCATIONS............................................................................................................................. |
2 |
1.5 |
OUTSIDE DIMENSIONS............................................................................................................................ |
3 |
2. INSTALLATION |
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2.1 |
TOOLS NEEDED FOR INSTALLATION.................................................................................................... |
5 |
2.2 ITEMS REQUIRED FOR INSTALLING THE UNIT.................................................................................... |
5 |
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2.3 INSTALLATION OF INDOOR UNIT AND OUTDOOR UNIT ..................................................................... |
6 |
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2.4 |
FLARING WORK AND CONNECTION OF PIPING................................................................................... |
8 |
2.5 |
CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT……………..................12 |
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2.6 CHECKING THE DRAINAGE AND FORMING THE PIPING ................................................................... |
14 |
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2.7 AIR PURGING........................................................................................................................................... |
15 |
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2.8 |
TEST RUNNING ....................................................................................................................................... |
17 |
3. TROUBLE SHOOTING GUIDE |
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3.1 |
Refrigeration Cycle Diagram..................................................................................................................... |
19 |
3.2 TROUBLE SHOOTING GUIDE.................................................................................................................. |
20 |
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4. WIRING DIAGRAM |
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4.1 |
Wiring diagram for indoor units……..........................................................................................................26 |
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4.2 |
Wiring diagram for outdoor units............................................................................................................... |
32 |
5. EXPLODED VIEWS…………………………………………...........................................................................40 |
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6 SPECIFICATIONS........................................................................................................................................ |
40 |
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7SPARE PARTS LIST……………………………………………………..………….……………………………..40
8MODEL CHECK LIST……………………………………………………………………………………………….40
1. PREFACE
This SERVICE MANUAL provides various servicing information, including the mechanical and electrical parts, etc. This room air conditioner was manufactured and assembled under a strict quality control system.
The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit.
1.1 SAFETY PRECAUTIONS
1.When servicing the unit, set the POWER SWITCH to OFF and unplug the power cord.
2.Inspect the service cord for damage or wear.
If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 3. After servicing the unit, make an insulation resistance test to protect the customer from being exposed to
shock hazards.
1.2 INSULATION RESISTANCE TEST
1.Unplug the power cord and connect a jumper lead between the two (2) live pins.
2.The grounding conductor (yellow/green) is to be open.
3.Measure the resistance value with an ohm meter between the jumped lead and each exposed metallic part on the equipment at all the positions (except OFF) of the ROTARY SWITCH or POWER SWITCH.
4.The value should be over 1MΩ.
1
1.3 FEATURES
Error self diagnosis function. Anti-icing function at cooling mode. Anti-cold air function at heating mode.
Auto-defrosting and heating recovering function at heating mode.
Outdoor unit overload current protection. Temperature protection of the outdoor compressor top.
Restart protection for the compressor. 24 hours on/off mode time setting.
Protection against over-load or too-low current input through alternating current.
1.4 CONTROL LOCATIONS
For reverse cycle models:
TIMER |
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POWER |
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AUTO |
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DEFROST |
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For cooling only models:
TIMER |
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POWER |
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AUTO |
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A UT O |
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FAN |
COOL |
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HIGH |
DRY |
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MED |
HEAT |
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LOW |
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TEMP |
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M ODE |
ON/OFF |
FAN |
SWING |
ECONOM Y |
TIME R |
CANCEL
RESET LOCK
R
D IGITAL DISPLAY
LED lamp:
POWER
AUTO
TIMER
DEFROST
Remote controller:
LCD display
Mode button: Select the operation mode, AUTO, COOL, DRY, HEAT (Reverse cycle models only) and FAN.
Fan speed button: Select the Fan speed, AUTO, LOW, MED, HIGH.
ON/OFF button: Press this button to operation the unit, again to stop.
Temperature setting up button: Press this button to increase temperature setting or adjust the TIMER in a clockwise direction.
Temperature setting down button: Press this button to decrease temperature setting or adjust the TIMER in a counter-clockwise direction.
Swing button: Press this button to activate the auto swing, again to stop.
Economy button: Push this button to set the economical operation mode.
Timer button: Press this button to set TIMER ON and/or TIMER OFF.
Cancel button: Press this button to cancel TIMER ON and TIMER OFF.
Lock button: Press this button to lock all button except this button.
Reset button: Press this button to reset all settings to original.
Digital display button: Press this button to activate/eliminate the digital temperature display on the indoor unit.
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GD Midea Refrigerant Equipment Co. Ltd
1.5 OUTSIDE DIMENSIONS
1.5.1 Indoor units:
A: width (mm) B: Depth (mm) |
C: Height (mm) |
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Unit |
A(mm) |
B(mm) |
C(mm) |
D(mm) |
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Size A |
210 |
750 |
250 |
214 |
Size B |
213 |
815 |
282 |
217 |
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Size C |
228 |
1000 |
298 |
232 |
Size D |
240 |
1080 |
330 |
245 |
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Size E |
230 |
1250 |
325 |
230 |
Model list:
Size A indoor units:
EL-KF20GW/N2Y-A(B) EL-KF26GW/N2Y-A(B) EL-KFR20GW/N1Y-A(B) EL-KF20GW/Y-A(B) EL-KF26GW/Y-A(B) EL-KF32GW/Y-A(B) EL1-KF20GW/Y-A(B) EL1-KF26GW/Y-A(B) EL1-KF32GW/Y-A(B) EL1-KF20GW/N2Y-A(B) EL1-KF26GW/N2Y-A(B) SEL-KF20GW/Y-A(B) SEL-KF26GW/Y-A(B) SEL-KF32GW/Y-A(B) SEL1-KF26GW/Y-A(B)
EL-KFR20GW/N2Y-A(B) EL-KFR26GW/N2Y-A(B) EL-KFR26GW/N1Y-A(B) EL-KFR20GW/Y-A(B)
EL-KFR26GW/Y-A(B) EL-KFR32GW/Y-A(B) EL1-KFR20GW/Y-A(B) EL1-KFR26GW/Y-A(B) EL1-KFR32GW/Y-A(B)
EL1-KFR20GW/N2Y-A(B) EL1-KFR26GW/N2Y-A(B) SEL-KFR20GW/Y-A(B)
SEL-KFR26GW/Y-A(B) SEL-KFR32GW/Y-A(B) SEL1-KFR26GW/Y-A(B)
Service manual for Electrolux split Series
Size C indoor units:
EL-KF50GW/N2Y-A(B) EL-KFR50GW/N2Y-A(B) EL-KF50GW/Y-A(B) EL-KFR50GW/Y-A(B) EL-KT3F53GW/Y-T2
EL-KT3F53GW/Y-T1 EL-KT3FR53GW/Y-T1 SEL-KF53GW/Y-A(B) SEL-KFR53GW/Y-A(B)
Size D indoor units:
EL-KF61GW/N2Y-A(B) EL-KF70GW/N2Y-A(B) EL-KF61GW/Y-A(B)
EL-KF70GW/Y-A(B) AU-KF61GW/Y-A(B) AU-KF70GW/Y-A(B) EL-KT3F70GW/Y-T2 EL-KT3F70GW/Y-T1 SEL-KF61GW/Y-A(B) SEL-KF70GW/Y-A(B)
Size E indoor units:
EL-KF90GW/Y-A(B) EL-KF90GW/SY-A(B) AU-KF85GW/Y-A(B)
EL-KFR61GW/N2Y-A(B) EL-KFR70GW/N2Y-A(B) EL-KFR61GW/Y-A(B)
EL-KFR70GW/Y-A(B) AU-KFR61GW/Y-A(B) AU-KFR70GW/Y-A(B)
EL-KT3FR70GW/Y-T1 SEL-KFR61GW/Y-A(B) SEL-KFR70GW/Y-A(B)
EL-KFR90GW/Y-A(B) EL-KFR90GW/SY-A(B) AU-KFR85GW/Y-A(B)
1.5.2 Installation plate For Size A indoor unit:
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150mm or more to c eiling |
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Indoor unit outline |
Installation plate |
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120mm or more |
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120mm or more |
to wall |
250 |
to wall |
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Left refrigerant |
45 |
Right refrigerant |
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pipe hole D65 |
750 |
pipe hole D65 |
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For Size B indoor unit:
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150mm or more t o ceiling |
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Indoor unit outline |
Installation plate |
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120mm or more |
280 |
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120mm or more |
to wall |
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to wall |
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50 |
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Left refrigerant |
50 |
Right refrigerant |
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pipe hole D65 |
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815 |
pipe hole D65 |
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Size B indoor units:
EL-KF36GW/N2Y-A(B) EL-KFR36GW/N2Y-A(B) EL-KFR36GW/N1Y-A(B)
EL-KF36GW/Y-A(B) EL-KFR36GW/Y-A(B) EL1-KF35GW/N2Y-A(B) EL1-KFR35GW/N2Y-A(B) SEL1-KF36GW/Y-A(B) SEL1-KFR36GW/Y-A(B)
For Size C indoor unit:
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150mm or m ore to the ceiling |
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Indoor unit outline |
49 |
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Installation plate |
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120mm or more |
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120mm or more |
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to the wall |
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to the w all |
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50 |
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50 |
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Left pipe |
55 |
90 |
Right pipe |
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hole D65 |
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hole D65 |
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1000 |
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3
GD Midea Refrigerant Equipment Co. Ltd
For Size D indoor unit:
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Hooked Part |
150 or more to theceiling |
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Hooked Part |
Hooked Part |
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1080 |
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432 |
432 |
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108 |
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120mm or more to |
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22 |
120mm or more to |
the wall |
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the wall |
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58 |
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58 |
50 |
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115 |
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50 |
Left Pipe |
115 |
465 |
465 |
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Right pipe |
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hole D95 |
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hole D95 |
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Indoor Unit Outline
For Size E indoor unit:
150mm or more tothe ceiling
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Ho oked Part |
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Hooker Part |
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1250 |
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178 |
815 |
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257 |
120mm or more |
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120mm or more |
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to the wall |
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to the wall |
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325 |
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Left pipe |
55 |
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55 |
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58 |
55 |
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hole D95 |
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Right pipe hole D95 |
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Indoor unit outline |
1.5.3 Outdoor units:
A: Depth (mm) |
B: Width (mm) C: Height (mm) |
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Unit |
Size F |
Size G |
Size H |
Size I |
Size J |
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A(mm) |
235 |
250 |
285 |
335 |
330 |
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B(mm) |
700 |
780 |
760 |
845 |
895 |
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C(mm) |
535 |
540 |
590 |
695 |
860 |
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D(mm) |
275 |
298 |
315 |
360 |
355 |
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E(mm) |
120 |
114.5 |
110 |
140 |
141.3 |
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F(mm) |
458 |
549 |
530 |
560 |
589.6 |
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Size F outdoor units: |
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EL-KF20GW/N2Y-A(B) |
EL-KFR20GW/N2Y-A(B) |
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EL-KF26GW/N2Y-A(B) |
EL-KFR26GW/N2Y-A(B) |
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EL-KFR20GW/N1Y-A(B)
EL-KF20GW/Y-A(B) EL-KFR20GW/Y-A(B) EL-KF26GW/Y-A(B) EL-KFR26GW/Y-A(B)
Service manual for Electrolux split Series
EL1-KF20GW/Y-A(B) |
EL1-KFR20GW/Y-A(B) |
EL1-KF26GW/Y-A(B) |
EL1-KFR26GW/Y-A(B) |
EL1-KF20GW/N2Y-A(B) |
EL1-KFR20GW/N2Y-A(B) |
EL1-KF26GW/N2Y-A(B) |
EL1-KFR26GW/N2Y-A(B) |
SEL-KF20GW/Y-A(B) |
SEL-KFR20GW/Y-A(B) |
SEL-KF26GW/Y-A(B) |
SEL-KFR26GW/Y-A(B) |
Size G outdoor units: |
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EL-KFR26GW/N1Y-A(B) |
EL-KFR36GW/N1Y-A(B) |
EL-KF32GW/Y-A(B) |
EL-KFR32GW/Y-A(B) |
EL-KF36GW/Y-A(B) |
EL-KFR36GW/Y-A(B) |
EL1-KF32GW/Y-A(B) |
EL1-KFR32GW/Y-A(B) |
EL1-KF35GW/N2Y-A(B) |
EL1-KFR35GW/N2Y-A(B) |
SEL-KF32GW/Y-A(B) |
SEL-KFR32GW/Y-A(B) |
SEL1-KF26GW/Y-A(B) |
SEL1-KFR26GW/Y-A(B) |
Size H outdoor units: |
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EL-KF36GW/N2Y-A(B) |
EL-KFR36GW/N2Y-A(B) |
SEL1-KF36GW/Y-A(B) |
SEL1-KFR36GW/Y-A(B) |
Size I outdoor units: |
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EL-KF50GW/N2Y-A(B) EL-KF61GW/N2Y-A(B) EL-KF70GW/N2Y-A(B) EL-KF50GW/Y-A(B)
EL-KF61GW/Y-A(B) EL-KF70GW/Y-A(B) AU-KF61GW/Y-A(B) AU-KF70GW/Y-A(B) EL-KT3F53GW/Y-T2 EL-KT3F53GW/Y-T1 EL-KT3F70GW/Y-T1 SEL-KF53GW/Y-A(B) SEL-KF61GW/Y-A(B) SEL-KF70GW/Y-A(B)
Size J outdoor units:
EL-KF90GW/Y-A(B) EL-KF90GW/SY-A(B) AU-KF85GW/Y-A(B) EL-KT3F70GW/Y-T2
EL-KFR50GW/N2Y-A(B) EL-KFR61GW/N2Y-A(B) EL-KFR70GW/N2Y-A(B) EL-KFR50GW/Y-A(B)
EL-KFR61GW/Y-A(B) EL-KFR70GW/Y-A(B) AU-KFR61GW/Y-A(B) AU-KFR70GW/Y-A(B)
EL-KT3FR53GW/Y-T1 EL-KT3FR70GW/Y-T1 SEL-KFR53GW/Y-A(B) SEL-KFR61GW/Y-A(B) SEL-KFR70GW/Y-A(B)
EL-KFR90GW/Y-A(B) EL-KFR90GW/SY-A(B) AU-KFR85GW/Y-A(B)
4
GD Midea Refrigerant Equipment Co. Ltd |
Service manual for Electrolux split Series |
2 INSTALLATION
2.1 TOOLS NEEDED FOR INSTALLATION
Level gauge Screwdriver Electric drill
Hole core drill ( φ85mm or φ115mm depending on Model)
Flaring tool set
Specified torque wrenches: 1.8kgm, 4.2kgm, 5.5kgm, 6.6kgm (Vary depending on model No.)
Spanner (half union) A glass of water
Hexagonal wrench (4mm) Gas-leak detector Vacuum pump
Gauge manifold User’s manual Thermometer
2.2 ITEMS REQUIRED FOR INSTALLING THE UNIT
No. |
Name of Accessories |
Quantity |
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1 |
Installation Plate |
1 |
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2 |
Self-tapping Screw ST3.9x25 |
8 |
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(Type “A”) |
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3 |
Plastic Expansion Sheath |
8 |
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4 |
Drain Joint |
1 |
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5 |
Wrapping Tape |
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6 |
Connection Pipe Assembly |
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(Detail in below table) |
Parts |
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7 |
Connecting Cable |
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purchased |
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8 |
Additional Drain Pipe (Outer |
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separately |
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Diameter15.5mm) |
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9 |
Insulation Materials |
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10 |
Cable Tie (5~10) |
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11 |
Remote Control Holder |
1 |
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12 |
Self-tapping Screw ST2.9x10 |
2 |
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(Type “B”) |
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13 |
Remote Control |
1 |
Note: Excluding the parts that are provided with the unit detailed above all other parts must be purchased separately.
Connection Pipe Assembly
model |
Liquid side pipe |
Gas side pipe |
7,000Btu/h |
6.35mm |
9.53mm |
9,000Btu/h |
1/4” |
3/8” |
12,000Btu/h |
6.35mm |
12.7mm |
18,000Btu/h |
1/4” |
1/2” |
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21,000Btu/h |
9.53mm |
16mm |
24,000Btu/h |
3/8” |
5/8” |
30,000Btu/h |
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NOTE: For pipes used on R410A system, the wall thickness of the pipes should be no less than 0.7mm. Otherwise, the pipes may be broken when using.
5
GD Midea Refrigerant Equipment Co. Ltd
Typical installation
CAUTIONS:
1.Ensure that the space around the left and right of the indoor unit is more than 12cm.
2.The indoor unit should be installed allowing a minimum clearance of 15cm from the ceiling.
3.Use a stud finder to locate studs to prevent unnecessary damage to the wall.
4.For optimum performance the Indoor Unit should be installed on the wall in areas where the height from the floor to the ceiling is not more than 2.3 meters.
5.A minimum pipe run of 3 meters is required to minimize vibration & excessive noise.
Service manual for Electrolux split Series
6.The indoor unit should be installed on the wall at a height of 1.7 meters or more from the floor but less than 2.3 meters from the floor.
7.Directions A, B and C should be free from obstructions.
2.3 INSTALLATION OF INDOOR UNIT AND OUTDOOR
2.3.1 Indoor unit
●Do not expose the indoor unit to heat or steam.
●Select a place where there are no obstacles in front or around the unit.
●Make sure that condensation drainage can be conveniently routed away.
●Do not install near a doorway.
●Ensure that the space on the left and right of the unit is more than 12cm.
●Use a stud finder to locate studs to prevent unnecessary damage to the wall.
●For optimum performance the indoor unit should be installed on the wall in areas where the height from the floor to the ceiling is not more than 2.3 meters.
●A minimum pipe run of 3 meters is required to minimize vibration & excessive noise.
●The indoor unit should be installed on the wall at a height of 1.7 meters or more from the floor but less than 2.3 meters from the floor.
●The indoor unit should be installed allowing a minimum clearance of 15cm from the ceiling.
●Any variations in pipe length will/may require adjustment to refrigerant charge (Refer to item 2.3.3).
More than15cm
More than 12cm
More than12cm
More than 1.7m
Less than 2.3m
2.3.2 Outdoor unit
● If an awning is built over the outdoor unit to prevent direct sunlight or rain exposure, make sure that heat radiation from the condenser is not restricted.
6
GD Midea Refrigerant Equipment Co. Ltd
●Ensure that the clearance around the back of the unit is more than 20cm and left side is more than 10cm.
●The front of the unit should have more than 100cm of clearance and the connection side (right side) should have more than 60cm of clearance.
●Do not place animals and plants in the path of the air inlet or outlet.
●Take the air conditioner weight into account and select a place where noise and vibration will not be an issue.
●Select a place so that the warm air and noise from the air conditioner do not disturb neighbors.
More than 20cm More than 10cm
More than 60cm
M or e tha n 100cm
Rooftop installation:
●If the outdoor unit is installed on a roof structure, be sure to level the unit.
●Ensure the roof structure and anchoring method are adequate for the unit location.
●Consult local codes regarding to rooftop mounting.
●If the outdoor unit is installed on roof structures or external walls, this may result in excessive noise and vibration, and may also be classed as a non serviceable installation.
2.3.3 Piping length and elevation
Service manual for Electrolux split Series
|
GAS |
3/8” |
1/2” |
5/8” |
|
|
9.53mm |
12.7mm |
16.0mm |
||
Piping |
|
||||
|
|
|
|
||
LIQUID |
1/4” |
1/4” |
3/8” |
||
|
|||||
|
6.35mm |
6.35mm |
9.53mm |
||
|
|
||||
|
|
|
|
|
|
Standard Length(m) |
5 |
5 |
5 |
||
Max. Elevation B (m) |
5 |
5 |
5 |
||
Max. Length A (m) |
10 |
10 |
10 |
||
|
|
|
|
||
Additional |
30 |
30 |
65 |
||
Refrigerant (g/m) |
|||||
|
|
|
|||
Cautions:
●Capacity is based on standard length and maximum allowance length is on the basis of reliability.
●Oil trap should be installed every 5~7 meters.
●When the connecting pipe is longer than 5 meters, Additional refrigerant should be added into the unit according to the above table through the service port on the “LO” valve on outdoor unit.
2.3.4 Fitting the installation plate
Fit the Installation Plate and drill holes in the wall according to the wall structure and corresponding mounting points on the installation plate.
1.Fit the installation plate horizontally on structural parts of the wall with spaces around the installation plate (Detailed on page 3 as applicable).
2.If the wall is made of brick, concrete or the like, drill eight (8) 5mm diameter holes in the wall. Insert Plastic Expansion Sheath for appropriate mounting screws.
3.Fit the installation plate on the wall with eight (8) type “A” screws.
2.3.5 Drill a hole in the wall
1. Determine hole positions according to the diagram detailed on page 3 as applicable. Drill one (1) hole (φ85mm for those models need φ65mm pipe hole or φ115mm for models need φ95mm pipe hole) slanting slightly to outdoor
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GD Midea Refrigerant Equipment Co. Ltd |
Service manual for Electrolux split Series |
side.
2. Always use wall hole conduit when drilling metal grid, metal plate or the like.
2.4 FLARING WORK AND CONNECTION OF PIPING
The main cause for gas leakage is due to defects in flaring work. Carry out correct flaring work using the following procedure.
2.4.1 Flaring work
2.4.1.1 Cut the pipes and the cable.
●Use the piping kit accessory (if applicable) or the pipes purchased locally.
●Measure the distance between the indoor and the outdoor unit.
●Cut the pipes a little longer than measured distance.
●Cut the cable 1.5m longer than the pipe length.
2.4.1.2 Burrs removal
●Completely remove all burrs from the cut cross section of pipe/tube.
●Place the end of the copper tube/pipe in a downward direction as you remove burrs in order to avoid dropping burrs into the tubing.
2.4.1.3 Putting flare nut on
● Remove flare nuts attached to indoor and outdoor unit, then put them on pipe/tube having completed burr removal.
(Note: It is not possible to put them on after flaring work.)
2.4.1.4 Flaring work
● Carry out flaring work using flaring tool as shown below.
Out diameter |
“A” (mm) |
||
Max. |
Min. |
||
|
|||
1/4” (6.35mm) |
1.3 |
0.7 |
|
3/8” (9.53mm) |
1.6 |
1.0 |
|
1/2” (12.7mm) |
1.8 |
1.0 |
|
5/8” (16.0mm) |
2.4 |
1.8 |
|
Hold copper pipe firmly in a die according to the dimension shown in the table above.
2.4.1.5 Check
●Compare the flared work with the adjacent diagram.
●If flare is found to be defective, cut off the flared section and do flaring work again.
2.4.2 Connection of pipes - Indoor
●Prepare the indoor unit’s piping and drain hose for installation through the wall.
●Remove the tubing retainer (see illustration right) and pull the tubing and drain hose away from chassis (If required). For some models this is not needed.
Replace the tubing retainer in its original position.
CAUTION
When installing the indoor unit, be sure to remove the relevant sections where required (see
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GD Midea Refrigerant Equipment Co. Ltd |
Service manual for Electrolux split Series |
adjacent diagram for example). This will allow piping and cable routing to be completed without damaging the unit.
2.4.2.1 For rear right piping
Note: When viewed from the front of the indoor unit.
2.4.2.1.1Route the indoor tubing and the drain hose in the direction of rear right.
2.4.2.1.2Insert the connecting cable into the indoor unit from the outdoor unit through the piping hole.
● Do not connect the cable to the indoor unit. ● Make a small loop with the cable for easy
connection later.
2.4.2.1.3Tape the tubing, drain hose and the connecting cable. Be sure that the drain hose is located at the lowest side of the bundle. Locating at the upper side can cause drain pan to overflow inside the unit.
Note: If the drain hose is routed inside the room, insulate the hose with an insulation material so that dripping from "sweating" (condensation) will not damage furniture or floors.
*Foamed polyethylene or equivalent is recommended.
2.4.2.1.4Insert the piping, drain hose and the connecting cable into the piping hole.
2.4.2.1.5Set the piping and the drain hose to the back of the chassis with the tubing holder.
● Set the tubing retainer into position and tighten screw.
2.4.2.1.6 Locating the indoor unit
●Hook the indoor unit onto the upper portion of the installation plate (Engage the hooks of the installation plate into the openings at the rear top of the indoor unit). Ensure that the hooks are
properly seated on the installation plate by moving the indoor unit left and right.
●Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots (clicking sound).
2.4.2.1.7 Connecting the piping to the indoor unit and the drain hose to drain pipe.
●Align the centre of the piping and sufficiently tighten the flare nut by hand.
●Tighten the flare nut with a wrench, in accordance with the following table.
Outside |
Tightening |
Additional |
|
Torque |
Tightening |
||
Diameter |
|||
(Kg.m) |
Torque (Kg.m) |
||
|
|||
|
|
|
|
1/4” (6.35mm) |
1.6 |
2.0 |
|
3/8” (9.53mm) |
3.0 |
3.5 |
|
|
|
|
|
1/2” (12.7mm) |
5.0 |
5.5 |
|
5/8” (16.0mm) |
7.5 |
8.5 |
● When extending the drain hose of the indoor unit, install the drain pipe extension as shown in
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GD Midea Refrigerant Equipment Co. Ltd |
Service manual for Electrolux split Series |
adjacent diagram.
2.4.2.1.8 Wrap the insulation material around the connecting portion.
●Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material. Bind them together with vinyl tape so that there is no gap.
●Wrap the area which accommodates the rear piping housing section with vinyl tape.
●Bundle the piping and drain hose together by wrapping them with vinyl tape over the range within which they fit into the rear piping housing section.
2.4.2.2 For rear left piping
Note: When viewed from the front of the indoor unit.
2.4.2.2.1Route the indoor tubing and the drain hose to the required piping hole position in the direction of left.
2.4.2.2.2Insert the connecting cable into the
indoor unit from the outdoor unit through the piping hole.
●Do not connect the cable to the indoor unit.
●Make a small loop with the cable for easy connection later.
2.4.2.2.3 Tape the drain hose and the connecting cable. Be sure that the drain hose is located at the lowest side of the bundle. Locating at the upper side can cause drain pan to overflow inside the unit.
Note: If the drain hose is routed inside the room, insulate the hose with an insulation material so that dripping from "sweating" (condensation) will not damage furniture or floors.
*Foamed polyethylene or equivalent is recommended.
2.4.2.2.4Insert the piping, drain hose and the connecting cable into the piping hole.
2.4.2.2.5Indoor unit installation
●Hang the indoor unit from the hooks at the top of the installation plate.
●Insert a spacer between the indoor unit and the installation plate to separate the bottom of the indoor unit from the wall.
2.4.2.2.6 Connecting the piping to the indoor unit and the drain hose to drain pipe.
● Align the centre of the piping and sufficiently tighten the flare nut by hand.
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GD Midea Refrigerant Equipment Co. Ltd |
Service manual for Electrolux split Series |
● Tighten the flare nut with a wrench, in accordance with the following table.
Outside |
Tightening |
Additional |
|
Torque |
Tightening |
||
Diameter |
|||
(Kg.m) |
Torque (Kg.m) |
||
|
|||
|
|
|
|
1/4” (6.35mm) |
1.6 |
2.0 |
|
3/8” (9.53mm) |
3.0 |
3.5 |
|
|
|
|
|
1/2” (12.7mm) |
5.0 |
5.5 |
|
5/8” (16.0mm) |
7.5 |
8.5 |
|
|
|
|
● When extending the drain hose of the indoor unit, install the drain pipe extension as shown in adjacent diagram.
2.4.2.2.7 Wrap the insulation material around the piping connections.
●Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material. Bind them together with vinyl tape so that there is no gap.
●Wrap the area which accommodates the rear piping housing section with vinyl tape.
●Bundle the piping and drain hose together by
wrapping them with vinyl tape over the range within which they fit into the rear piping housing section.
2.4.2.2.8 Set the piping and the drain hose to the back of the chassis with the tubing holder.
●Set the tubing retainer into position and tighten screw.
2.4.2.2.9 Reroute the piping and the drain hose across the back of the chassis, for rear left side external passage.
Pi ping for passa ge th rou gh piping h o le
2.4.2.2.10 Locating the indoor unit
●Remove the spacer.
●Hook the indoor unit onto the upper portion of the installation plate.
(Engage the two hooks of the installation plate into the openings at the rear top of the indoor unit.)
●Ensure that the hooks are properly seated on the installation plate by moving the indoor unit left and right.
●Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots (clicking sound).
2.4.3 Connection of pipes - outdoor 2.4.3.1 Align the centre of the piping and
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GD Midea Refrigerant Equipment Co. Ltd |
Service manual for Electrolux split Series |
sufficiently tighten the flare nut by hand.
2.4.3.2 Finally, tighten the flare nut with torque wrench until the wrench clicks.
● Tighten the flare nut with a wrench, in accordance with the following table.
Outside |
Tightening |
Additional |
|
Torque |
Tightening |
||
Diameter |
|||
(Kg.m) |
Torque (Kg.m) |
||
|
|||
1/4” (6.35mm) |
1.6 |
2.0 |
|
|
|
|
|
3/8” (9.53mm) |
3.0 |
3.5 |
|
1/2” (12.7mm) |
5.0 |
5.5 |
|
|
|
|
|
5/8” (16.0mm) |
7.5 |
8.5 |
2.5CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT
CAUTION
Ensure that all electrical work complies with relevant Standards and Supply Authority Service Rules.
An individual branch Circuit Breaker/Fuse must be used with this Air Conditioner. See the table following for electrical requirements.
Notes:
●Power Source and Power Cord specifications must comply with requirements following.
●Circuit Breaker or Fuse specified in this manual must be installed in the power supply circuit.
●For your safety and protection, this unit is earthed through the power cord plug when plugged into a matching wall receptacle.
●Do not connect two power cords together to supply power to the air conditioner.
●Do not extend the power cable conductors by cutting.
●Power supply should be in the range of 90%~110% of rated voltage.
●Refer to the attached Electrical Connection Diagram located on the panel of the outdoor unit to connect the wire.
Max. current |
Circuit Breaker / |
Wire Size |
(A) |
Fuse Rating (A) |
(mm2) |
<=8 |
10 |
>=1.0 |
|
|
|
>8 & <=12.5 |
16 |
>=1.5 |
>12.5 & <=16 |
20 |
>=2.5 |
|
|
|
>16 & <=25 |
32 |
>=4.0 |
>25 & <=32 |
40 |
>=6.0 |
|
|
|
Max. current (A): Detail in SPECIFICATIONS list. Note: To be used as a guide only.
2.5.1 Connect the cable to the indoor unit ● Connect the cable to the indoor unit by connecting the wires to the terminals on the
control box individually according to the outdoor unit connection. (Refer to Wiring diagram.) (Ensure that the color of the wires of the outdoor unit and the terminal number are the same as
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