Text preview for : DSB-077 & 097 & 127LH & 187LH & 247LH v4.pdf part of Daewoo DSB-077 & 097 & 127LH & 187LH & 247LH v4 Daewoo DSB DSB-077 & 097 & 127LH & 187LH & 247LH DSB-077 & 097 & 127LH & 187LH & 247LH v4.pdf
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DISASSEMBLY AND REASSEMBLY
Outdoor unit Model : DSB-187LH
No Parts Procedure Remark
1 Cabinet 1.Turn off the unit and remove
the power cable.
2.Remove the upper cabinet .
2 Fan motor & 1.Remove the nut flange.
propeller fan (Turn to the right to remove
as it a left turned screw )
2.Separate the propeller fan
from fan motor.
3.Loosen the fixed screw of
fan motor, separate the fan
motor from outdoor unit.
3 Ass' y control 1.Loosen the fixing screw of
out. the base-electrica control.
2.Loosen the nut flange on
compressor.
3.Separate the connector.
4.Separate the ass y control
out from the outdoor unit.
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DISASSEMBLY AND REASSEMBLY
Stop operation of the conditoner and remove the power cord before repairing the unit
Indoor unit Model : DSB-247LH
No Parts Procedure Remark
1 Front Grille 1.Stop the air conditioner
operation and block the main
power.
2.Contract the second finger
to the left , and right handle
and pull to open the inlet
grille.
Filter
3.Take the left and right filter
out.
4.Separate the lower louver
bar
5.Loosen the two screw of front
grille.
HOOK
6.Press the front grille through
two holes back of the unit,
then push back of the front
panel out.
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DISASSEMBLY AND REASSEMBLY
No Parts Procedure Remark
7.Pull front of the front panel,
then take front panel out.
Earth
2 Electrical Parts 1.Loosen the earth screw in screw
electric box, separate the
grounding wire on the
evaporator.
2.Take all the connector of the
PCB upper side out.
3.Loosen the lowerscrew of
electrical box.
HOOK
4.Push the hook outside to take
the electrical box out easily.
5.Separate the electric box
from the indoor unit.
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DISASSEMBLY AND REASSEMBLY
No Parts Procedure Remark
3 Ass'y tray 1.Loosen the screw of the
drain ass'y tray drain.
4 Evaporator 1.Loosen the left screw of
the evaporator
2.Loosen the right screw of
the evaporator
3.Separate the evaporate
from indoor unit.
5 Fan motor 1.Loosen the fixing screw of
and cross fan fan motor,then separate
the fan motor from the fan.
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DISASSEMBLY AND REASSEMBLY
Outdoor unit Model : DSB-247LH
No Parts Procedure Remark
1 Cabinet 1.Turn off the unit and remove
the power cable.
2.Remove the upper cabinet .
2 Fan motor & 1.Remove the nut flange.
propeller fan (Turn to the right to remove
as it a left turned screw )
2.Separate the propeller fan
from fan motor.
3.Loosen the fixed screw of
fan motor, separate the fan
motor from outdoor unit.
3 Ass' y control 1.Loosen the fixing screw of
out. the base-electrica control.
2.Loosen the nut flange on
compressor.
3.Separate the connector.
4.Separate the ass y control
out from the outdoor unit.
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Troubleshooting
If problems can not be corrected after doing below items, please
stop the air conditioner, contact our air conditioner specially eng-
aged service centre nearest to you to get help.
Is there a fault ? Fault analysis
Does power fail ?
Air conditioner does Is plug out ?
not operate at all. Does power fuse or switch off ?
Is voltage higher than 253 V or lower than
207V?
Is time set suitable?
Remote controller is not If disturbed abnormally or operation modes
changed too frequently, sometimes the rem-
available and does not
ote controller would lose function. Please
display. plug out and plug in again, it may be ok.
If remote controller displays unclear or disp-
lays all symbols, please change batteries.
It is not running
This is a way to protect compressor as per
after I/O button microprocessor instructions. Please wait 3
is pressed. minutes.
Does temperature set suitably ?
Cooling and heating
Are filters dirty?
efficiency is not good.
Are inlets and outlets of outdoor unit blocked?
Does sleep function start during daytime?
Does indoor fan speed set low ?
Are doors and windows closed ?
Air will not immediately
blow out at the start It is processing information, air will only blow
of HEAT mode. out when sufficiently warm. Please wait.
36
Troubleshooting
Is there a fault ? Fault analysis
Indoor unit fan stops
for about 10 It is defrosting of the outdoor unit coil.It should
complete this process in about 10 minutes at
minutes during
most.( It freezes when outdoor temperature is
heating. low and humidity is high. )
Issues cracking sounds The friction sounds caused by expansion and
contraction of front panel resulting from temp-
erature changes.
It is the sound of expanding refrigerant inside
You can hear the
the air conditioner.
sound of running Sound of accumulated water dropping on the
water heat-exchanger.
Melting sounds of frost on heat-exchanger.
Indoor unit issue Click sound of fan or compressor when switc-
pooosh hing ON/OFF.
sound and click pooosh sound of refrigerant inside the air
sound. conditioner.
Air conditioner recycles should have absorbed
There is odd odor odors from wall, carpet , furniture and cloth
in the air that air closet out into the air.
conditioner blow out.
During cooling, connecting pipe or pipe conn-
ector is cooled to form condensates.
Outdoor unit leaks During heating or defrosting , melting water
water. and water vapor will run out.
During heating, water on heat-exchanger will
drop.
37
Exploded Views and Parts List
Indoor unit Model: DSB-077/097/127LH
18
21
17
25 24 23 22
16
19
15
20
14
33
13
26 27 28 29 30 31 32
12
11
34
9
8
7
10 34-1
34-2
6
34-3
5 34-4
4
34-5
3
2
34-6
1
38
Exploded Views and Parts List
Indoor unit Model: DSB-077/097/127LH
Number Name Quantity Number Name Quantity
1 Dustproof filter 2 28 Room temperature sensor 1
2 Front panel 1 29 Pipe temperature sensor 1
3 Indicator light cover 2 30 Operation indication board 1
4 Signal receptor cover 2 31 Remote signal receptor 1
5 Encloser 2 32 Electrical control board 1
6 Hinge 1 33 Power supply cord 1
7 Airflow direction louver 1 34 Internal wire ass'y 1
8 Drain hose 1 34-1 Internal grounding wire 1
9 Louver motor 1 34-2 The 4th terminal wire 1
10 Art strip 1 34-3 The 1st terminal wire 1
11 Screw cover 1 34-4 The 2nd terminal wire 1
12 Drain cap 1 34-5 The 3th terminal wire 1
13 Air outlet vent support assembly 1 34-6 Pipe temperature sensor 1
14 Evaporator 1
15 Rubber bearing 1
16 Indoor unit fan 1
17 Back body 1
18 Hanging plate 1
19 Pipe fixed board 1
20 Indoor fan motor 1
21 Electrical control cover 1
22 Transformer 1
23 Indoor unit terminal 1
24 Connecting cable fixed holder 1
25 Indicator light holder 1
26 Electrical control box 1
27 Power supply cord clip 1
39
31-1
31-2
31-3 10 11 12
8 9
Outdoor unit
31-4
31-5
31-6
2 3 4 5 6 7
31
1
13
17
18 14
19 15
30 16
29 20
28
Exploded Views and Parts List
27 25 24 23 22 21
26
Model: DSB-077/097/127LH
40