Samsung MWR-WG00RN User manual

1. Cautions
2. Features and Specifications
3. Disassembly and assembly
4. Troubleshooting
5. Parts layout
6. Wiring diagram
7. S/W Download
Wired Remote Controller
ContentsWired Remote Controller
MODEL CODE : MWR-WG00JN
MWR-WG00KN
MWR-WG00UN
MWR-WG00RN
MWR-WG00CN

2
Contents
1. Precautions ............................................................................................................................................ 1-1
1-1. Service Precautions............................................................................................................................ 1-1
1-2. Product Safety Precautions .............................................................................................................. 1-1
2. Features and Specifications .................................................................................................................2-1
2-1. Product Features................................................................................................................................ 2-1
2-1-1. Product Features..................................................................................................................... 2-1
2-1-2. Changes compared to basic products................................................................................. 2-4
2-2. Product structure...............................................................................................................................2-5
2-3. Product Specification ....................................................................................................................... 2-6
2-3-1. Environment and Specification ........................................................................................... 2-6
2-3-2. Feature expansion specification..........................................................................................2-7
2-4. How to install ...................................................................................................................................2-22
2-4-1. Wired remote control installation .....................................................................................2-22
3. Disassembly and assembly ..................................................................................................................3-1
4. Troubleshooting....................................................................................................................................4-1
4-1. Things to check before diagnosis ....................................................................................................4-1
4-1-1. Errors displayed on the Wired Remote Controller ............................................................4-1
4-2. Action by symptom .......................................................................................................................... 4-2
4-2-1. When the LCD screen does not come out .......................................................................... 4-2
5. Parts layout............................................................................................................................................5-1
6. Wiring diagram......................................................................................................................................6-1
7. S/W Download ....................................................................................................................................... 7-1

Cautions
21-1
1. Precautions
1-1. Service Precautions
• When replacing electrical parts, be sure to use the rated parts.
- Check the display of the model name, rated voltage, rated current, etc. of the electrical parts.
• When repairing the fault, please repair the connection of HARNESS type firmly.
- If the wiring is not good, abnormal noise or abnormal operation may occur.
• If the product is disassembled and assembled while lying down, work on the operation beam.
- Scratches may occur on the back of the product.
• When repairing a fault, remove dust and foreign matter from the HOUSING, wiring and inspection parts.
- It is possible to prevent fire hazard such as TRACKING, SHORT.
• Check the assembly of the parts after the fault has been repaired.
- It must be in the same state as before repair.
1-2. Product Safety Precautions
• Do not pull on the wire or touch the power plug or the auxiliary power switch with wet hands.
- Risk of electric shock or fire.
• If the power cord or power plug is damaged, be sure to replace it to prevent danger.
• Do not bend the wires excessively or do not break them with heavy objects.
- Risk of electric shock or fire.
• Do not use multi-outlet.
- Risk of electric shock or fire.
• Ground if necessary.
- In particular, be sure to ground if water or humidity indicates that there is a risk of a short circuit.
• When replacing or repairing electrical parts, unplug the power plug or turn off the auxiliary power switch.
- There is a danger of electric shock.

Features and Specifications
2-1 2-1
2. Features and Specifications
2-1. Product Features
2-1-1. Product Features
■Color Graphic LCD (4.3 ") wired remote control with large screen
- Floating Display for user-desired point function
∙∙∙
Connect up to two wired remote controls.
It can be controlled in one group.
(Main / Sub )
Wired remote control "indoor unit + ERV"
Connect up to 16 units into one group It is
controllable.
Main
Sub

Features and Specifications
2-2
Simple design to display various information Graphic Display Wired remote control.
• TFT Color LCD Display
- Provide needed screen / Icon (Provide big screen / Icon to improve visibility)
<Fixed type black and white>
→
<Floating Color Graphics>
• Simple design & easy operation
<Button multiple>
→
<Navigation operation method>
• Cleanliness display
- Air cleanliness level display (PM 10 / 2.5 / 1.0)
Color display
(Step 4)
Indoor unit
remote
<Level display>
→
<Number display>

Features and Specifications
2-2 2-3
• Show additional information
- Indication of indoor model information
- Error list history display
<Display of indoor unit model information
(model code, S/No>
→
<Error list display>

Features and Specifications
2-4
Item Basic
(MWR-WE13N)
New
(MWR-WG00JN/KN/UN/RN/CN) Changes
CASE
Apply new CASE
- CASE TOP
- CASE BOTTOM
ASSY
PCB
DB92-04639B / DB92-04639C / DB92-04639E
DB92-04639F / DB92-04639G
Applying new PBA
ASSY
DISPLAY
Fixed LCD Display

type LCD Display
ETC
- Software code
• Main Micom: DB91-01954A
- Fixed Display Icon
- No air cleanliness indication
- No indication of indoor model
information.
- Software code
• Main Micom : DB91-02147A / DB91-02147A /
DB91-02147A / DB91-02147A /
DB91-02147A
• Touch Micom : DB91-02076A / DB91-02076A /
DB91-02076A / DB91-02076A /
DB91-02076A
• Image Micom : DB91-02077B / DB91-02077C /
DB91-02077B / DB91-02292A /
DB91-02291A
- Color Floating Display Icon
- Air cleanliness value display.
(PM 10 / 2.5 / 1.0)
- Indication of indoor model information.
(Serial No, model code)
2-1-2. Changes compared to basic products

Features and Specifications
2-4 2-5
2-2. Product structure
■ExternalDimensions
120.0 (4.72) 19.0(0.75)
120.0 (4.72)
[Unit : mm(inch)]

Features and Specifications
2-6
2-3. Product Specification
2-3-1. Environment and Specification
Classification Item Specification Remarks
General
Conditions
Use Aria Region of use (Korea)
Type of use Wall-mount type, air conditionerIndoor unit Remote controller
Referto User's
Manual.
Referto Installation
Guide.
Accessory
Supply Contact Service Center
Installation
conditions
Operating
temperature 
Operating
humidity Humidity 30% RH to 90% RH (except for condensation)
Power input 12VDC / 25A
Installation Installation
space Installation Mounting wall Installation
Delivery
Open Follow the prescribed sequence.
Delivery
confirmation
• Check by delivery CHECK SHEET, repair defective items.
• Instructions for use, conditions of use, and precautions for
use are given in the instructions. In case of a problem in this
process, the service is available where possible.
Installation Instructions Reference Guide Installation Guide
Referto Installation
Guide.
ETC Be sure to refer to installation guides and user manuals.
Referto Installation
Guide.
■Accessories
Name
Wired
Remote
Controller
Cable Tie Cable Clamp M4x16
Screw
User's
Manual
Installation
Guide U Terminal
Quantity 1 2 3 5 1 1 6
Shape

Features and Specifications
2-6 2-7
Indoor
24
Ventilator
Set
°
By-Pass
2-3-2. Feature expansion specification
■Lookatthebutton
Num Name Function
①Display window Display operation mode and function setting status
②On/Off button (LED) Air conditioner/ERV : on/off
③Up and down button Adjustment of the temperature of the up and down orfunction
setting value
④Left and Right button change of the function setting value
⑤OK Button Save the setting value
⑥Return aftersave button Save the setting value and moving back to the previous step
⑦Setup button Select of setup function
• Some functions may not work according to indoor unit specifications.
• The LED indicator shows the operating status of the product.
- On: Product is operating
Blinking: Error occurred
Off: Product is off
NOTE
①①
②②
④④
⑤⑤
⑥⑥
⑦⑦
③③

Features and Specifications
2-8
High Wide Wind-Free
Current
Set
Ventilator OFF
Indoor
24 24.5
Cool
Feature expansion specification
■Airconditioner
Num Name Function
①Set temperature Set temp
②Current temperature Current temp
③Operation mode Auto, Cool, Dry, Fan, Heat
④Air flow mode Auto, Turbo, High, Medium, Low
⑤Wind-Free mode Wind-Free On/Off
(Only if the indoor unit has this function)
⑥Air flow direction mode Fix, Swing, Individual
■IconDescription
Icon Description Icon Description Icon Description
Reservation

Schedule is set.

Schedule is set.
Lock indication Discharge temperature
Filter Reset Activation Time Setting
display

Timer is activated.

activated.
Central Control Defrost
Check Cleaning
①①②②
⑤⑤
⑥⑥
③③
④④

Features and Specifications
2-8 2-9
Heat-EX Auto
Current
25.0
IndoorOFF
Ventilator
Feature expansion specification
Ventilation system
Num Name Function
①Current temperature display Current temperature
②Operation mode display Heat, Auto, Normal, Quiet and Go out
③Wind strength indicator Auto, Turbo, Strong and Weak winds
Icon Description
Icon Description Icon Description Icon Description
Reservation

Schedule is set.

Schedule is set.
Central Control Filter Reset
Check Defrost
Lock indication Kitchen Hood
• Functions that are not supported are marked inactive and can not be set.
• If the button is not pressed for 7 seconds, the function of that position is automatically selected.
NOTE
①①
③③
②②

Features and Specifications
2-10
Indoor Settings
Quiet
ON
Sleep
Purify Air Quality EnergyO ption
Long WindS chedule
LONG
OFFO FF
ON ON
Feature expansion specification
Air conditioner
①①④④
③③
⑦⑦
⑧⑧
②②
⑥⑥
⑤⑤
Num Name Function
①Quiet Quiet mode On/Off
②Sleep Sleep mode On/Off
③Long wind Long wind On/Off (only if the indoorunit has this function)
④Schedule General/Setback Schedule, Override, Energy Saving Timer,
Eco Setting, Activation Time Setting
⑤Purify Purity mode On/Off
⑥Air Quality Air Quality On/Off
⑦Option Additional function such as general, error list, and so on
⑧Energy Energy Usage, Energy Setting

Features and Specifications
2-10 2-11
Cleanup
ON OFF
E-SaverS chedule Option
VentilatorSettings
Feature expansion specification
ERV
①①④④
③③②②
Num Name Function
①Clean-up display Clean-up operation
②Power saving display Power saving operation
③Schedule setting display General/Setback Schedule, Override, Energy Saving Timer,
Eco Setting, Activation Time Setting
④Additional function display Additional function
• Functions that are not supported are marked inactive and can not be set.
• You can also use the button to select the menu with the> button function of the additional function.
• If the button is not pressed for 180 seconds when setting the additional function, the setting value is not saved and
the screen is moved to the Home screen.
NOTE

Features and Specifications
2-12
Feature expansion specification
■HowtosettheOptions
1. Press the button.
2. Press the or button to select Option, and then press the button.
3. See the following pages to select the desired menu.
Major Step 1 Step 2 Step 3 Step 4 Step 5 Description Default
JN/KN/RN/CN UN
General
Button lock ON/OFF - -
Filter reset Indoor - -
Ventilator - -
Error list - -
Indoor unit
information - -
Indoor
Blade
selection
4-way cassette: Swing ON/
Swing OFF 360 cassette:
Spot/Mid/Wide
- -
Motion detect
sensor
Set Motion
detect sensor ON/OFF OFF 
Motion
detection type Indirect Wind/Direct Wind Indirect Wind 
Option User mode
Language Differs depending on the
language
First value for the
language pack 
Daylight Saving
Time
Daylight Saving
Time ON/OFF OFF ON
Unit Day/Week Week 
Week
Start Month January to December Mar Mar
Start Week 1st to 4th, Final (final week) F (final week) 2nd
End Month January to December Oct Nov
End Week 1st to 4th, Final (final week) F (final week) 1st
Indoor Settings
Quiet
OFF
Sleep
Purify Air Quality Energy Option
Long WindS chedule
LONG
OFF OFF
ON ON

Features and Specifications
2-12 2-13
Feature expansion specification
■HowtosettheOptions
Major Step 1 Step 2 Step 3 Step 4 Step 5 Description Default
JN/KN/RN/CN UN
Option User mode
Daylight Saving
Time Day
Start Month January to December Mar 
Start Day  22 
End Month January to December Sep 
End Day  22 
Air Purify
Display
PM10 ON/OFF ON 
PM2.5 ON/OFF ON 
PM1.0 ON/OFF OFF 
Lock
All lock ON/OFF OFF 
Partial Lock
Fuction
Operation Lock ON/OFF OFF 
Operation
mode Lock
All mode
Lock ON/OFF OFF 
Auto mode
Lock ON/OFF OFF 
Cool mode
Lock ON/OFF OFF 
Dry mode
Lock ON/OFF OFF 
Heat mode
Lock ON/OFF OFF 
Fan mode
Lock ON/OFF OFF 
Temperature
Lock ON/OFF OFF 
Fan speed Lock ON/OFF OFF 
Additional Mode
Lock
Wind-Free
Lock ON/OFF OFF 
Long Wind
Lock ON/OFF OFF 
Quiet Lock ON/OFF OFF 
Sleep Lock ON/OFF OFF 
Schedule Lock ON/OFF OFF 
Wired remote
controller
LED ON/OFF OFF 
Button Mute ON/OFF OFF 
Wireless
remote
controller
ON/OFF OFF 
Current time
Date 2000 to 2099/1 to 12/1 to 31 2018.01.01. 
Time
12-Hour/24-hour
12-hour format : 1 to 12,
24-hour format: 0 to 23,
minutes: 00 to 59
 
• When two wired remote controllers are connected, the brightness can be set within 10 to 50%.
NOTE

Features and Specifications
2-14
Major Step 1 Step 2 Step 3 Step 4 Step 5 Description Default
JN/KN/RN/CN UN
Option User mode
Wired remote
controller
Reset remote
controller - - -
Display setting
Brightness 10 to 100% 100% 
Screen saver Timer 10 to 60 seconds 30 sec 
Brightness 0, 10, 30, 50, 70% 30% 
Smart Reset - -
Reset All User
modes - -
Auto
changeover
Use of wired
remote
controller DSP
ON/OFF OFF ON
Cooling
Set temp. /
Heating
Set temp.

Set temp range for auto
operation of the indoor
unit)
Indoor
unit status
value

Primary 
Indoor
unit status
value

Secondary 
Indoor
unit status
value

Temperature
limits
Lower Limit 
  
Upper Limit 
  
Easy tuning -2 to +2 0
lighting Indoor ON/OFF
Indoor
unit status
value

Clean ON/OFF
Indoor
unit status
value

Delay time
Use of ERV
delay time ON/OFF OFF 
ERV delay time 30 to 60 minutes 30 
• When two wired remote controllers are connected, the brightness can be set within 10 to 50%.
NOTE
Feature expansion specification
■HowtosettheOptions

Features and Specifications
2-14 2-15
Feature expansion specification
■Wiredremotecontrolinstallation/servicemode
1. If you want to use the various additional functions for your Wired Remote Controller, press the and buttons at
the same time for more than 3 seconds.
• The password entry screen appears.
2. Enter the password, “0202,” and then press the button.
• The settings screen for installation/service mode appears.
3. See the list of additional functions for the Wired Remote Controller on the next page, and then select the desired menu.
• Once you have entered the setting screen, the current setting appears.
• Refer to the chart for data setting.
• Using the ,buttons, change the settings and press the button to move to the next setting.
• Press the button to save the new setting.
• Press the button to move to the Home screen.
• While setting the data, you can press the button to move to the Home screen after checking the saving status at a
pop-up screen.
NOTE
0
Please enter your PASSWORD
Service mode

Features and Specifications
2-16
Feature expansion specification
■Installation/Servicemode
• Unavailable functions are marked inactive and they cannot be set.
• If communication initialization is needed after the setting, the system will reset automatically and communication
will be initialized.
NOTE
Major Step1 Step 2 Step3 Description Default
JN/KN/RN/CN UN
General
Indoor Unit
option
Power button -Default/Indoor unit & Ventilation Indoor unit &
Ventilation 
Auto mode -ON/OFF ON 
Cool/Heat selection -Cool Only/Cool & Heat Cool & Heat 
Wireless remote
controller -ON/OFF ON 
MAIN/SUB wired
remote -Main /Sub Main 
Temperature unit
Temperature unit  Celsius (°C) 
Set temp. Unit 
  
Temperature sensor
selection -Indoor/Wired remote controller Indoor Wired remote controller
Average temperature -ON/OFF OFF 
Set Temperature Type -ON/OFF ON 
Connection
Information
Number of Connection Indoor 0 to 16 - -
Ventilator 0 to 16 - -
Master Indoor Unit
Information
Serial No. - -
Model No. - -
Indoor unit room
temp. Temperature - -
Indoor unit EVA IN
temp. Temperature - -
Indoor unit EVA OUT
temp. Temperature - -
Indoor unit EEV step EEV step - -
View master Indoor Unit Indoor Address - -
Ventilator Address - -
Mode master indoor
unit
Mode masterindoor
unit 1)* Address - -

Features and Specifications
2-16 2-17
Feature expansion specification
■Installation/Servicemode
Major Step1 Step 2 Step3 Description Default
JN/KN/RN/CN UN
General
Indoor unit
/ Ventilator
option
Address Main address 00 to 4F - -
RMC address 00 to FE - -
Product option 3)* -Refer to the installation manual
of the connected indoor unit or
ventilator.
- -
Installation option1 3)* - - -
Installation option 2 3)* - - -
MCU Port MCU address 00 to 15
MCU Port A to F
Device
Information
(Wired Remote
Controller)
Micom code -Micom code - -
Program version -Modified date - -
Touch code -Touch IC code - -
Program version -Modified date - -
Graphic image -Graphic image code - -
Program version -Modified date - -
Reset All
Service modes
Erase All Service mode
data
Initialize a remote
controller - - - -
Power Master
 - - - - -
ODU K3 reset - - - - -
Outdoor
capacity - - ON/OFF
Indoor

Blade1 -Unlock/Lock Unlock 
Blade2 -Unlock/Lock Unlock 
Blade3 -Unlock/Lock Unlock 
Blade4 -Unlock/Lock Unlock 
Room
Temperature
Calibration
Reference temperature --9 to 40°C - -
Calibration value --9.9 to 9.9°C 0°C 
Indoor
unit status
information
Central control -ON/OFF - -
Drain pump -ON/OFF - -
Electric heater -ON/OFF - -
Hot water coil -ON/OFF - -
External control -ON/OFF - -
RPM compensation -ON/OFF - -
Filter replacement cycle -2000 hr/1000 hr - -
Heating calibration
value -2°C/5°C - -
EEV Stop Step in
Heating -0/80 steps / 80 steps - -