Samsung AC026MNJDKH/EU, AC035MNJDKH/EU, AC035MXADKH/EU, AC052MXADKH/EU, AC052MNJDKH/EU Service Manual
...
Refer to the service manual in the GSPN(see the rear cover) for the more information.
AIR CONDITIONER CONTENTS
SYSTEM AIR CONDITIONER
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference Sheet
AC026MNADKH
AC035MNADKH
AC052MNADKH
AC071MNADKH
INDOOR UNIT OUTDOOR UNIT
Model :
AC026MNJDKH/EU
AC035MNJDKH/EU
AC052MNJDKH/EU
AC026MXADKH/EU
AC035MXADKH/EU
AC052MXADKH/EU
AC026MXADKH
AC035MXADKH
AC052MXADKH
2
Samsung Electronics
Contents
11. Precautions
........................................................................................................................................
1-1
1-1 Precautions for the Service
..............................................................................................................
1-1
1-2 Precautions related to static electricity and PL
............................................................................
1-1
1-3 Precautions related to product safety
...........................................................................................
1-2
1-4 Other precautions
..............................................................................................................................
1-2
12. Product Specifications
...............................................................................................................
2-1
2-1 The Feature of Product
.....................................................................................................................
2-1
2-2 Product Specifications
......................................................................................................................
2-2
2-3 Accessories
..........................................................................................................................................
2-4
13. Disassembly and Reassembly
...............................................................................................
3-1
3-1 Indoor Unit
.........................................................................................................................................
3-2
3-2 Outdoor Unit
.....................................................................................................................................
3-7
14. Troubleshooting
............................................................................................................................
4-1
4-1 Setting an indoor unit address and installation option
............................................................
4-1
4-1-1 Common steps for setting the addresses and options
....................................................
4-1
4-1-2 Setting the indoor unit addresses
........................................................................................
4-6
4-1-3 Setting the installation options in a batch
........................................................................
4-7
4-1-4 Changing the addresses and options individually
..........................................................
4-9
4-2 Items to check before diagnostics
.................................................................................................
4-10
4-2-1Display Error mode
.................................................................................................................
4-10
4-2-2 Test run mode and View mode
...........................................................................................
4-11
4-2-3 ECO mode(Power save)
.........................................................................................................
4-12
4-2-4 Troubleshooting for outdoor unit
.......................................................................................
4-13
4-2-5 Wired remote controller
.......................................................................................................
4-15
4-3 Troubleshooting by symptoms
......................................................................................................
4-15
4-3-1 Indoor temperature sensor (open/short)
..........................................................................
4-15
4-3-2 Indoor heat exchanger temperature sensor (open/short)
.............................................
4-16
4-3-3 Indoor FAN error
.....................................................................................................................
4-17
4-3-4 Communication error after finishing Tracking
.................................................................
4-18
4-3-5 Indoor unit float sensor error
...............................................................................................
4-19
4-3-6 EEPROM circuit failure
...........................................................................................................
4-20
4-3-7 Outdoor unit is not powered on
.........................................................................................
4-21
4-4 Troubleshooting by symptoms ............................................................................................................................... 4-23
4-4-1 Communication error
..........................................................................................................
4-23
Samsung Electronics
3
4-4-2 Outdoor temperature sensor error
....................................................................................
4-24
4-4-3 Outdoor Coil temperature sensor error
..............................................................................................
4-26
4-4-4 Outdoor Discharge temperature sensor error
.................................................................
4-28
4-4-5 Outdoor Discharge over temperature error
.....................................................................
4-30
4-4-6 Outdoor Fan motor error .................................................................................................................... 4-31
4-4-7 Compressor starting error .................................................................................................................. 4-32
4-4-8 Compressor wire missing error/rotation error .......................................................................... 4-33
4-4-9 O.C(Over Current) error ....................................................................................................................... 4-34
4-4-10 DC_link voltage sensor error .......................................................................................................... 4-35
4-4-11 DC_link voltage under/over error, Over voltage protection error/PFC over load ..... 4-36
4-4-12 DC_link voltage sensor error ........................................................................................................... 4-37
4-4-13 Current sensor error/Input current sensor error .................................................................... 4-38
4-4-14 Heatsink sensor error/Heatsink over heat ................................................................................. 4-39
4-4-15 Comp Vlimit error/Comp current limit error ............................................................................ 4-40
4-4-16 EEPROM error/OTP error .................................................................................................................. 4-41
4-4-17 AC zero cross signal error ................................................................................................................. 4-42
4-4-18 Operation condition secession error............................................................................................ 4-43
4-4-19 Capacity miss match error ............................................................................................................... 4-44
4-4-20 Gas leak error ........................................................................................................................................ 4-45
4-4-21 MDS Error Flow chart ........................................................................................................................ 4-46
15. PCB Diagram
.....................................................................................................................................
5-1
5-1 Indoor Unit
.........................................................................................................................................
5-1
5-2 Outdoor Unit
.....................................................................................................................................
5-3
16. Wiring Diagram
..............................................................................................................................
6-1
6-1 Indoor Unit
........................................................................................................................................
6-1
6-2 Outdoor Unit
....................................................................................................................................
6-2
7. Reference Sheet
..............................................................................................................................
7-1
7-1 Index for Model Name
......................................................................................................................
7-1
7-2 Refrigerating Cycle Diagram
............................................................................................................
7-2
7-3 Pressure Graph
...................................................................................................................................
7-3
Samsung Electronics
1-1
1. Precautions
1-1 Precautions for the Service
◆ Use the standard parts when replacing the electric parts.
– Confirm the model name, rated voltage, rated current of the electric parts.
◆When repairing the equipment, connection of the harness parts must be firm and solid.
– A loose connection may cause noise or other malfunction.
◆When assembling and disassembling the equipment while it is laid down, lay it on soft cloth.
– Otherwise it may scratch the back of the exterior of the product.
◆Remove dust or dirt completely from the housing block, wiring block and service parts during repair.
– This helps prevent the danger of fire caused by tracking or short circuit.
◆Fasten the valve caps of service valves and charging valves of outdoor unit as much as possible using adjustable wrenches.
◆Check the status of the components’ assembly after repair service.
– The status must be the same as before the repair service.
1-2 Precautions related to static electricity and PL
◆ The PCB power supply block is susceptible to static electricity. Therefore, care must be taken during repair or measuring
while the power is on.
– Wear insulation gloves for PCB repair or measuring.
◆ Check whether the installation location is at least two meters away from other electronic products such as TV, video, or
audio.
– Otherwise, the video quality might be degraded or noise might be generated.
◆ Do not let end users repair the products themselves.
– Unauthorized disassembly might cause electric shock or fire.
1-2
Samsung Electronics
1-3 Precautions related to product safety
◆ Do not pull the power cord and do not touch the power plug or aux power switch with wet hands.
– It might cause electric shock or fire.
◆ A damaged power line or power plug must be replaced to prevent danger.
◆ Do not bend the power cable with excessive force, and do not place a heavy weight on the case as it might damage the
cable.
– It might cause electric shock or fire.
◆ Do not use multiple electric outlets.
– This might cause electric shock or fire.
◆ Connect the ground terminal when necessary.
– You must connect the ground terminal if you determine that there is a danger of electric leakage due to moisture or water.
◆ Unplug the power cable or turn off the auxiliary power switch for electric part replacement and repair service.
– Otherwise it might cause electric shock.
◆ Instruct end users to separate the batteries from the remote controllers and store them separately when the product is not
used for long time.
– Otherwise leakage from the dry cell may cause problems with the remote controller.
1-4 Other precautions
◆ The pipes should have no leaks during installation, and the compressor must be stopped before removing connecting
pipes for pump down work. Operating the compressor while the service valve is open and coolant pipe is not properly
connected may cause explosion or injury due to abnormal high pressure created inside the coolant cycle as the air can be
absorbed through the pipe.
◆ Pump Down work procedure (When uninstalling the product)
– Turn on the air conditioner, select cooling operation, and run the compressor for more than three minutes.
– Release the high pressure and low pressure valve caps.
– Close the high pressure valve completely using an L-wrench
– After about two minutes, close the low pressure valve completely.
– Stop running the air conditioner.
– Separate the connecting pipe.
Samsung Electronics
2-1
2. Product Specifications
2-1 The Feature of Product
■ What is a Console type Air Conditioner?
Floor standing type Air Conditioner, Powerful on floor heating & cooling.
■ VIRUS DOCTOR Zone (Air cleaning solution)
Samsung’s Micro Plasma Ion Zone is a technology that generates
activated hydrogen and oxygen ions, which exterminates viruses
and allergy-causing microbes in the air by neutralizing them and
turning into water.
■ Special Filter
Allergy Filter, Deodorizing Filter and Anti-bacteria
Filter will make air so pure.
■ Flexible Pipe Installation
Anywhere it can be installed by 6way piping.
■ Elegance Design
Slim Design(199mm), Clean Front Panel, Luxurious Wide Display
Mirror & Lamp
2-2
Samsung Electronics
2-2 Product Specifications
Item
Model Name
AC026MNJDKH
AC026MXADKH
AC035MNJDKH
AC035MXADKH
Design
Indoor Unit
Outdoor Unit
Remote Control
Power specifications 1Φ, 220~240V, 50Hz 1Φ, 220~240V, 50Hz
Size
Indoor
W×D×H mm 720*620*199 720*620*199
Outdoor W×D×H mm 790*285*548 790*285*548
Weight
Indoor Unit kg 15.5 15.5
Outdoor Unit kg 36.2 36.2
Capacity
Cooling w 2,600 3,500
Heating w 3,500 4,000
Power
consumption
Cooling w 700 1,090
Heating w 1,000 1,210
Operation current
Cooling A 4 5.6
Heating A 5 5.9
Noise
(Cooling/Heating)
Indoor
In case of
strongest air blow
dBA
41/43 42/44
Outdoor
In case of
strongest air blow
dBA
51/51 53/53
Refrigerant(R-410A) g 1,050 1,050
Connecting Pipe
Liquid mm 6.35 6.35
Gas mm 9.52 9.52
Additional Refrigerant(R410A) g/m Chargeless Chargeless
Standard m 5 5
Extension length(Total) m 20 20
Extension length(Elevation) m 15 15
Option Code
Product
Option
01907F-1930B6-
271A23-370260
01907F-1930D8-
272328-370260
Installation
Option
020000-100000-
200000-300000
020000-100000-
200000-300000
Samsung Electronics
2-3
Item
Model Name
AC052MNJDKH
AC052MXADKH
Design
Indoor Unit
Outdoor Unit
Remote Control
Power specifications 1Φ, 220~240V, 50Hz
Size
Indoor
W×D×H mm 720*620*199
Outdoor W×D×H mm 880*310*638
Weight
Indoor Unit kg 15.8
Outdoor Unit kg 44.5
Capacity
Cooling w 5,000
Heating w 5,600
Power
consumption
Cooling w 1,750
Heating w 1,730
Operation current
Cooling A 7.9
Heating A 7.9
Noise
(Cooling/Heating)
Indoor
In case of
strongest air blow
dBA
47/49
Outdoor
In case of
strongest air blow
dBA
58/58
Refrigerant(R-410A) g 1,300
Connecting Pipe
Liquid mm 6.35
Gas mm 12.7
Additional Refrigerant(R410A) g/m 10
Standard m 5
Extension length(Total) m 30
Extension length(Elevation) m 20
Option Code
Product
Option
019077-1910F9-27343C-370210
Installation
Option
020000-100000-200000-300000
2-4
Samsung Electronics
2-3 Product Accessories and Option accessories
Item Description Code No. Q’ty Remark
Remote Control
DB93-15882F
1
Essential Offer
(Indoor Unit)
Batteries for Remote Control
4301- 000121
2
USER MANUAL
INSTALLATION MANUAL
DB68 -06493A
DB68-06494A
1/1
Remote Control Holder
DB 61-0 6087A
1
M4 x 16 Tapped Screws
6002-000234
2
CARD WARRNATY DB68-02596B
1
Insulation
install out
B62-05580V
1
Insulation install SVC
DB62-05691C
1
Cable-tie
DB65-10088C
4
Drain Plug
DB6 7-2 0011A
1
Essential Offer (Outdoor
Unit)
Rubber Leg DB67-01533A 4
INSTALLATION MANUAL DB68-06488A 1
Samsung Electronics
3-1
Item Remarks
+SCREW DRIVER
Adjustable Wrench
(8mm, 10mm, 13mm)
M6, M8 Hex Wrench
■ Necessary Tools
3. Disassembly and Reassembly
3-2
Samsung Electronics
3-1 Indoor unit
No Parts Procedure Remark
1 Cabi Parts 1) Open the Panel Front(ⓐ).
Remove the Clip Wire(
ⓑ).
2) Release 4 screws on the Body Front(
ⓒ).
3) Open the Body Front(
ⓒ) by pulling
from bottom of the part.
ⓐ
ⓑ
ⓒ
ⓒ
■ AC026MNJDKH / AC035MNJDKH / AC052MNJDKH
Samsung Electronics
3-3
No Parts Procedure Remark
2
Electrical Parts 1) Open the cover of Control Boxⓓ).
2) Pull the PBA out along the slide guide.
3) Cut the Cable tie.
4) Pull all wires out from the PBA.
ⓓ
3-4
Samsung Electronics
No Parts Procedure Remark
5) Release the 2 screws.
(one is top of the C-Box, the other is left of it)
6) Release 2 Hold Wires and
pull all wires out from it .
3
Blowing
&
Evap Part
1) Pull the Bracket Pipe(ⓔ )out.
2) Release 2 screws and
pull Top Discharge Kit(
ⓕ) out.
ⓔ
ⓕ
Samsung Electronics
3-5
No Parts Procedure Remark
3) Release 2 screws and
pull Bottom Discharge Kit(
ⓖ) out.
4) Disconect the Step Motor wire(
ⓗ) from
the conect wire .
This part is right side of the Bottom
Discharge Kit(
ⓖ).
5) Pull Bottom Discharge Kit(ⓖ) Out
from the bottom of it.
6) Release 3 screws and pull the Evap out
from top to bottom direction.
ⓖ
ⓗ
ⓖ
3-6
Samsung Electronics
No Parts Procedure Remark
4 Fan Part 1)
Release 1 screw and pull the Bell
Mouth (
ⓘ
) out.
2) Release the Nut and pull Fan Turbo(
ⓙ)out.
3) Release 6 screw on the Body Back(
ⓚ).
Pull the Cap VIRUS DOCTOR(
ⓛ), Bracket
Wire(
ⓜ)
and Bracket Motor(
ⓝ) out.
4) Pull the VIRUS DOCTOR Kit(
ⓞ) and
Motor(
ⓟ) out
from the Body Back(
ⓚ).
ⓘ
ⓙ
ⓚ
ⓛ
ⓜ
ⓝ
ⓟ
ⓚ
ⓞ
Samsung Electronics
3-7
■ AC026MXADKH / AC035MXADKH
No Parts Procedure Remark
1 common work You must turn off the Power
before disassembly.
1) loosen 1 pcs screw of cover control,and
detach it.
2) loosen 5 pcs screws on both right and
left cabniet side edges and to detach the
cover-top
3) Loosen 7 screwsfixed to disassemble
cabi-front , and detach it.
CAUTION
3-2 Outdoor unit
3-8
Samsung Electronics
No Parts Procedure Remark
common work
4) loosen 2 screws to disassemble steel-bar.
5) Loosen 2 screws to disassemble the cabi
left and detach it.
Samsung Electronics
3-9
No Parts Procedure Remark
common work 6) Loosen 7 screws to disassemble the cabi
right and detach it.
2 fan&motor 1) loosen 1 screw as indication and detached
the fan.
2) loosen 4 pcs motor screws and disconnect
the wire betwwen assy control out and motor.
3) loosen 2 pcs bracket-motor screw and
detach it.
3-10
Samsung Electronics
No Parts Procedure Remark
3 assy control out 1) lossen fixing 1 screw from cover -control
2) detach several connections from assy con-
trol out, take out assy control out.
4 Heat exchanger 1) Release the refrigerant at first
2) Looosen fixing screw on both side.
3) disaessembly the pipes in both inlet and
outlet with welding torch.
4) detach the heat exchanger.
Samsung Electronics
3-11
No Parts Procedure Remark
5 compressor 1) disconnect the compressor lead wire .
2)disassembly the felt comp sound.
loosen the 3 bolts at the bottom .
CAUTION
When removing the compressor,
Heat Exchanger, and Pipe, purge the
Coolant inside the Compressor completely and remove the pipe with a welding
flame.
3-12
Samsung Electronics
■ AC052MXADKH
No Parts Procedure Remark
1 common work You must turn off the Power before
disassembly.
1) Loosen 1 pcs screw of cover control
2) Loosen 8 pcs screw of the cabi top
cover.
3) Loosen 4 pcs screw of the bar steel.
4) Loosen 10 pcs screw of the cabi side
front.
CAUTION
Samsung Electronics
3-13
No Parts Procedure Remark
1 common work
2 Fan& motor 1) Loosen the fan screw according the
indication and detach the fab propeller
2)Disconnect the wire between assy control
out and motor.
3-14
Samsung Electronics
No Parts Procedure Remark
2
3) Loosen 4 pcs motor screw.
4) Loosen 2 pcs screw of bracket motor.
3 Assy control out
1)Loosen the screws that connected partition
and case control then get the control out.
2) Loosen the screw of the cover termimal
Samsung Electronics
3-15
No Parts Procedure Remark
3
3) Loosen 2 screws , disassemble the Coil
Harmonic.
4) Loosen the screw of the cover terminal.
3-16
Samsung Electronics
No Parts Procedure Remark
4 Heat exchanger 1) Release the refrigerant at first
2) Loosen fixing screw on both side..
3) Disassemble the pipes in both inlet and
outlet with welding torch.
4) Detach the heat exchanger.
CAUTION
When removing the compressor,
Heat Exchanger, and Pipe, purge the
Coolant inside the Compressor completely and remove the pipe with a welding
flame.
5 Compressor
1)Loosen the 3 bolts at the bottom of compressor.
Samsung Electronics 4-1
4. Troubleshooting
You cannot set both of the indoor unit addresses and
the installation options in a batch: set both of them
respectively.
4-1-1 Common steps for setting the
addresses and options
MR-EC00 and MR-EH00 remote controls
Low Temp button
High Temp button
Mode button
Low Fan button
High Fan button
Setting the
option values
Entering the mode
for setting the
options
NOTE
• The remote control display and buttons may vary
depending on the model.
1 Enter the mode for setting the options:
a Remove the batteries from the remote control, and
then insert them again.
b While holding down the
(High Temp) and
(Low Temp) buttons simultaneously, insert the
batteries into the remote control.
c Make sure that you are entered to the mode for
setting the options:
2 Set the option values.
CAUTION
• The total number of available options are 24: SEG1 to
SEG24.
• Because SEG1, SEG7, SEG13, and SEG19 are the page
options used by the previous remote control models,
the modes to set values for these options are skipped
automatically.
• Set a 2-digit value for each option pair in the following
order: SEG2 and SEG3 SEG4 and SEG5 SEG6 and
SEG8 SEG9 and SEG10 SEG11 and SEG12 SEG14
and SEG15 SEG16 and SEG17 SEG18 and SEG20
SEG21 and SEG22 SEG23 and SEG24
SEG1 SEG2 SEG3 SEG4 SEG5 SEG6
0 X X X X X
SEG7 SEG8 SEG9 SEG10 SEG11 SEG12
1 X X X X X
SEG13 SEG14 SEG15 SEG16 SEG17 SEG18
2 X X X X X
SEG19 SEG20 SEG21 SEG22 SEG23 SEG24
3 X X X X X
On (SEG1 to SEG12) Off (SEG13 to SEG24)
4-2 Samsung Electronics
Take the steps presented in the following table:
Steps Remote control display
1 Set the SEG2 and SEG3 values:
a Set the SEG2 value by pressing the
(Low Fan) button repeatedly until the
value you want to set appears on the remote control display.
SEG2
b Set the SEG3 value by pressing the (High Fan) button repeatedly until the
value you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG3
2 Press the (Mode) button. Cool and On appear on the remote control display.
3 Set the SEG4 and SEG5 values:
a Set the SEG4 value by pressing the
(Low Fan) button repeatedly until the
value you want to set appears on the remote control display.
SEG4
b Set the SEG5 value by pressing the (High Fan) button repeatedly until the
value you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG5
4 Press the (Mode) button. Dry and On appear on the remote control display.
5 Set the SEG6 and SEG8 values:
a Set the SEG6 value by pressing the
(Low Fan) button repeatedly until the
value you want to set appears on the remote control display.
SEG6
b Set the SEG8 value by pressing the (High Fan) button repeatedly until the
value you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG8
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