4-2. Wired Remote Controller

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Indoor unit option and address setting

Samsung Internal Use Only

Wired remote controller

Modification history

Date Ver. Modifier Modified detail Remarks

10 Nov 14 1.0 Ken Song - Issued based on Online training contents.

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Start up

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The installation of the air conditioners in the new building has been completed.

The next step is to connect the indoor unit and the Wired R/C.

Let’s take a look.

Situation

Situation 1

Start 》

Which ports should the wires be connected to?

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Now that installation is

done, try wiring the indoor unit and the

Wired R/C.

Ok.

I’ll give it a try.

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The Wired R/C has

2 connecters in the back…

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Hmm... the indoor unit has a lot of connecters!

Is it F3, F4? Or V1, V2?

Which ports

should the

wires be

connected to?

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Let’s take a look at the MWR-WE10N R/C and the PCB of the indoor units.

Please click/link all the parts of the indoor unit to each of the Wired remote

controller connection points.

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Display & keys

Overview

In this course, you are going to take a look at the Wired remote controller,

MWR-WE10N.

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Overview

Display & keys

Time and schedule (7 days)

Indoor unit status

Keys for indoor unit control

Keys for common function setting

Keys for common ERV control

ERV status

Common status

Direct keys

Displaying operation status of the indoor unit and ERV

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Overview

Display & keys

Communication and power cables are unified. (4 wires→2 wires)

Temperature sensor

Power/ Communication unified connector

Software upgrade connector (20-Pin, S-converter)

Backup battery for current time keeping

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Learning objectives

Below are the learning objectives of the course.

Please read carefully before proceeding.

The outline and contents of this course are listed below.

Course Outline Contents

Start up

Learn up

Wrap up

Situation

Overview

Learning objectives

General Introduction

Installation

Advanced setting

Quiz

Summary

More resources

Outro

Chapter 1

Chapter 2

• Identify and understand the functions, structure, connections, and settings

of the MWR-WE10N

• Know how to use the MWR-WE10N R/C

By the end of this course, you will be able to

Chapter 3

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Learn up

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General instruction

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Main function and features Wired R/C(MWR-WE10N)

Control &

Monitoring

- Individual or group control : Maximum 16 units - A/C, ERV, ERV+

- Control, monitoring and error display

- Filter replacement alarm display and reset

Schedule - Weekly operating schedule: A/C only, ERV only, A/C + ERV

Convenient

functions

- Built-in room temperature sensor

- Clear and bright screen with LCD backlight

- Wireless remote control restriction

- Child lock with different button permission levels.

- Quiet and sleep mode

- Real-time clock function: Current time/day display, summer time

- Individual blade control (4-way cassette type)

- Purifier mode: Virus doctor (S-Plasma ion)

Energy saving

- Setting temperature limit : The lowest/highest limit

- Automatic operation stop function

- Energy saving operation mode with ERV

- Motion detection sensor function (4-way cassette (600 x 600))

Environment

Setting - User mode

- Service mode

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Connection Individual control

Connection

Control

Display

Error occurrence

1:1

Connected indoor unit

Operation status of the connected indoor unit

Displays an indoor unit error

Control 1 indoor unit with 1 Wired remote controller

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Connection

Connection

Control

Display

Error occurrence

1 : N (Max. 16 units)

All connected indoor units

Operation status of connected View master indoor unit

Displays the error if an error occurs in one of indoor unit

Group control

Control multiple indoor units with 1 Wired remote controller

1:N (Max. 16 units)

Length of transmission wiring

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Connection Length of transmission wiring

- Refer to the installation manual - No polarity

Maximum distance between the farthest indoor unit and the Wired remote controller : 100 m

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Connection

Connection

Control

Display

Error occurrence

Control multiple indoor units that are connected to

different outdoor units with 1 Wired remote controller.




Displays error if it occurs in one indoor unit

Group control

Precaution

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Connection

Connection

Control

Display

Error occurrence

Control multiple indoor units that are connected to

different outdoor units with 1 Wired remote controller.





Group control

Precaution

• Main addresses of multiple indoor units should be set differently.

• Or outdoor units` addresses should be set differently.

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Connection

Connection

Control

Display

Error occurrence

Control multiple indoor units with 2 Wired remote controllers



Two Wired remote controllers identically display the operation status of the indoor unit.


Group control

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Connection

Connection

Control

Display

Error occurrence

Control multiple indoor units and ERVs (New Protocol)

with 1 Wired remote controller


All connected indoor units and ERVs

Operation status of connected View master indoor unit and ERV

Displays error if it occurs in one indoor unit or ERV

Group control

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Connection

Connection

Control

Display

Error occurrence

Control multiple indoor units and ERVs (New Protocol)

with 2 Wired remote controllers


All connected indoor units and ERVs

Two Wired remote controllers identically display the operation status of the indoor unit and ERV.

Displays error if it occurs in one indoor unit or ERV

Learn More : Display priority +

Group control

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Connection Display priority

Case 1 Case 2

View master indoor unit

Wired R/C display State display of the indoor unit that is set as View master indoor unit

(Service mode menu: 7-1 ).

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Connection Display priority

Case 1 Case 2

Wired R/C display State display of the indoor unit with the lowest Main address

If a View master indoor unit is not selected,

the lowest Main address IDU's state will be displayed.

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Installation

This section is about installation and deals with the following issues below.

You can identify their functions, structure, connections, and ways to use and

set codes.

• Installation

• Wiring

• Tracking

• Error display

Introduction

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Installation

Installation on the wall

Push the two hooks at the bottom of your Wired remote controller at the same

time, and then pull up the front cover to separate it from the rear cover.

Disassembly Mounting Reassembly Arrangement

Insert a flat head screwdriver into the square groove in the upper

area of the hook to disassemble it easily.

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Installation



Arrange the power cable and the communication cable so that they fit in the

housing along with the edges of the rear cover.

When the cable is not concealed When the cable is concealed

If you need more space for the wiring work, you can take it off.

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Installation



Using more than two screws, firmly affix the rear cover of the remote controller to

the wall and connect the communication cable (F3,F4), making sure these

cables have reasonable length, to the terminal at the back of the cover.

Before fixing the rear cover, secure at least 10

mm (0.4 inch) of space in the upper side,

left side, right side, as well as 50 mm (2 inches)

of space at the bottom.

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Installation






You must fit the screws into the screw holes.

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Installation






Do not tighten the screws

on the PCB terminal with

excessive force.

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Installation



Reassemble your Wired remote controller. Align the controller with the upper

groove and insert it by turning it downward as shown in figure A.

After the assembly, check and confirm that

no wires are stuck in the gap between the rear

and front covers.

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Wiring

1 indoor unit with 1 Wired remote controller

Indoor unit

PCB terminal

Power comm. Wire (field wiring)

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Wiring

Multiple indoor units with 1 Wired remote controller

Connect to all F3-F4 terminals.

Do not connect to V1 and V2.

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Tracking

There are four procedures often used to connect the Wired R/C to indoor units.

MWR-WE10N

Tracking procedures

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Tracking

Tracking procedures

Power reset

01

Registration

(Start)

02

Registration

(Success)

Normal

operation

03 04

All the LCD

segments are ON for

one second.

Two segments on the

temperature display

rotate clockwise to

search for indoor unit

registration process.

Then, the power

resets automatically.

Displays all

connected unit

quantities (AC + ERV).

Displays the

connected unit

operation state.

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Tracking

Reset function

When we need to reset the Wired R/C, we can use the reset function.

No need to turn power OFF and ON again to restart.

* After reset, all of LCD segments are

turned OFF and ON again.

And then the tracking procedure starts.

Press keys together for 5 seconds

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Error display

Error display priority

Priority of error display is “Wired R/C error > Indoor unit error > ERV error.”

If the indoor unit and the Wired R/C have errors at the same time,

the Wired R/C displays its error.

Wired R/C Indoor unit ERV

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Error display


Wired R/C error Indoor unit error ERV error

E6** : Error code

Communication error between Wired R/C

and indoor/ERV units after successful

communication.

E601 error code

Wired R/C (MWR-WE10N) error codes +

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Error display



Indoor unit Main address: 07, Error code: E101


Indoor unit Outdoor

unit address Error code

Indoor unit address

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Error display



ERV unit Main address: 07, Error code: E121


Ventilator(ERV) ERV unit address Error code

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Wired R/C(MWR-WE10N) error codes

Display Description

601 Communication error between the Wired remote controller and the

indoor/ERV units after successful communication.

602 No communication between master (main) and slave (sub) Wired

R/Cs.

604 No communication between the Wired remote controller and the

indoor/ERV units

618 Over 16 indoor/ERV indoor units installed.

627 Two or more Wired R/Cs set as slave (sub).

653 Temperature sensor open/short error.

654 EEPROM read, write error

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Service mode

This section is about the main features of each model,

dealing with the following issues:

Introduction

• Service mode (configuration and entering service mode)

• Built-in temperature sensor

• User setting mode

• Practice (limit upper/lower temperature, all locking)

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Service mode

The Wired remote controller (MWR-WE10N) is divided into two sections.

Main features and functions

Menu and setting value are displayed. During option setting the direction keys,

set and ESC keys are mainly used.

Change the setting value.

Select the setting value.

Exit to normal mode.

Save the setting value.

Menu display Setting value

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Service mode

To enter service setting mode,

press “Esc” and “Set” keys together for 3 seconds.

How to use

Service mode menu +

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Service mode menu

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Built-in temperature sensor

The room temperature sensor in the Wired R/C can be applied to all the connected

indoor units so that indoor units operate based on the room temperature of the Wired

R/C instead of those own sensors. Also, the average temperature between indoor

units and the Wired R/C can be another selection.

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Set the service mode value of wired R/C(service mode 1-2, 1-5)

1) room temp. sensing : from wired RC / default display of temp. : room

2) Room temperature compensation : - 2.5 ℃

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Built-in temperature sensor

The setting status of built-in temperature sensor can be set and monitored in service mode. (1-2 menu) When using the average temperature between indoor and Wired R/C (factory setting is 00100), choose the right code for it.

Correct! Using the Wired R/C's sensor: 00100 (Factory setting) 01100

Data bit of using the average temperature is 2. No. 1 means using the average temperature.

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User setting mode

To enter user setting mode, press “User set” key.

User setting mode menu +

How to use

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Set the current date & time of wired R/C (user setting mode 4-1, 4-2)

Set the auto stop time : 2 hours (user setting mode 1)

Set the desire temperature limits (user setting mode 2)

- Lowest temperature : 22 ℃

- Highest temperature : 26 ℃

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Wrap up

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Quiz

P1 Set the desired temperature limits as follows:

(User setting mode 2-1, 2-2)

- Lowest temperature: 22℃

- Highest temperature: 26℃

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Summary

General introduction

· Controllers to enable individual control

on each indoor unit.

· Main user : General user

Installation Advanced setting

Wired remote controller (MWR-WE10N)

Control and Monitoring

- Individual or group control: Maximum 16 units - A/C, ERV, ERV+

- Control, monitoring, and error display

- Filter replacement alarm display and reset

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Summary


Individual control system






Schedule

-Weekly operating schedule : A/C only, ERV only, A/C + ERV

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Summary








Convenient function

- Built-in room temperature sensor

- Clear and bright screen with LCD backlight

- Wireless remote control restriction

- Child lock with different key permission levels

- Quiet and sleep mode

- Real-time clock function: Current time/day display, summer time

- Individual blade control (4-way cassette type)

- Purifier mode: Virus doctor (S-Plasma ion)

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Summary








Energy saving

- Setting temperature limit : The lowest/highest limit

- Automatic operation stop function

- Energy saving operation mode with ERV

- Motion detection sensor function (4-way cassette (600 x 600))

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Summary








Environment setting

- User mode

- Service mode

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Summary








Wiring - 1 indoor unit with 1 Wired remote controller

Indoor unit

PCB terminal

Power comm. Wire (field wiring)

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Summary





Wiring - Multiple indoor units with 1 Wired remote controller

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Summary

General introduction Installation Advanced setting


Entering service mode and user setting mode

User setting mode: Press “User set” Key.

Service mode: Press “ESC + Set” keys together for 3 seconds.

Documents

4-2. Wired Remote Controller