The original instructions are written in English. All other languages are translations of the original
instructions.
Also see the installation manual attached to the indoor unit.
Please read these Safety Precautions carefully before installing the remote controller.
● This manual classies the precautions into WARNING and CAUTION. They both contain important
information regarding safety. Be sure to follow all the precautions below.
WARNING
CAUTION
● After completing the installation, conduct a trial operation to check for faults and explain to the
customer how to operate the air conditioner with the aid of the operation manual. Ask the customer
to store the installation and operation manual for future reference.
Failure to follow these instructions properly may result in personal
injury or loss of life.
Failure to observe these instructions properly may result in property
damage or personal injury, which may be serious depending on the
circumstances.
WARNING
Ask your dealer or qualied personnel to carry out installation work.
Do not attempt to install the remote controller yourself. Improper installation may result in water
leakage, electric shocks or re.
Consult your local dealer regarding relocation and reinstallation of the remote controller.
Improper installation work may result in leakage, electric shocks or re hazards.
Install the remote controller in accordance with the instructions in this installation manual.
Improper installation may result in water leakage, electric shocks or re.
Be sure to use only the specied accessories and parts for installation work.
Failure to use the specied parts may result in the unit falling down, water leakage, electric shocks
or re.
Install the remote controller on a foundation strong enough to withstand the weight of the remote
controller.
Insufcient strength may result in the remote controller falling down and causing injury.
Electrical work must be performed in accordance with the relevant local and national regulations and
with the instructions in this installation manual.
Be sure to use a dedicated power supply circuit only. Insufcient power circuit capacity and improper
workmanship may result in electric shocks or re.
Always perform installation work with the power turned off.
Touching electric parts may result in electric shock.
Do not disassemble, reconstruct or repair.
This may result in electric shock and/or re.
Make sure that all wiring is secured, the specied wires are used and that there is no strain on the
terminal connections or wires.
Improper connections or securing of wires may result in abnormal heat build-up or re.
The choice of materials and installations must comply with the applicable national and international
standards.
BRC1E53 Installer reference guide
4P419250-1
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2015.10
2
Safety Precautions
CAUTION
To avoid leakage and electric shock due to entry of water or insects, ll the wiring through hole with
putty.
To avoid electric shocks, do not operate with wet hands.
Do not wash the remote controller with water, as this may result in electric shocks or re.
Install the indoor and outdoor units, power cord and connection wires at least 1 meter away from
televisions or radios to prevent interference and noise.
(Depending on the incoming signal strength, a distance of 1 meter may not be sufcient to eliminate
noise.)
Do not install the air conditioner in the following locations:
1. Where there is a high concentration of mineral oil spray or vapour (e.g. a kitchen).
Plastic parts may deteriorate and fall off which could result in water leakage.
2. Where corrosive gas, such as sulphurous acid gas, is produced.
Corroding of copper pipes or soldered parts may result in refrigerant leakage.
3. Near machinery emitting electromagnetic radiation.
Electromagnetic radiation may disturb the operation of the control system and result in
malfunctioning of the unit.
4. Where ammable gas may leak, where there is carbon bre or ignitable dust suspensions in
the air or where volatile ammables such as paint thinner or gasoline are handled.
Operating the unit in such conditions may result in re.
5. High temperature areas or direct ames.
Overheating and/or re may occur.
6. Moist areas or places which may be exposed to water.
If water enters the remote controller, electric shock may be caused and the inner electronics
may fail.
When the thermostat function of the remote controller is used, select the installation location while
considering it should be a place:
● Where the average temperature in the room can be detected.
● Which is not exposed to direct sunlight.
● Which is not near a heat source.
● Which is not affected by the outside air or air draught due to, for example, opening/closing of
doors, the air outlet of the indoor unit or the like.
Installer reference guide BRC1E53
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4P419250-1 – 2015.10
2. Accessories
2x
2x
1x
1x
7x
Ø8-10
External view of the remote controller
CAUTION
The following accessories are included.
Wood screw +
wall plugsSmall screwClampWiring retainer
2x
Installation and
operation
manual(Ø4.0x30)(M4×16)
3. Remote controller installation
procedure
3-1 Determine where to install the remote controller.
Make sure to follow "1. Safety Precautions" when determining the location.
3-2 Make a wiring through hole on the wall if the wires are
coming out from the rear.
Ø8-10
Lower case
Through hole
40
48.5
Set the center of the wall hole
to the center of the wiring
through hole on the controller
lower case when making the
hole.
Accessories
Through
hole
BRC1E53 Installer reference guide
4P419250-1
2015.10
–
If the hole size is too large or the location is not
proper, the hole may come out from the
controller.
4
Remote controller installation procedure
CAUTION
3-3 Determine the direction of the controller wiring outlet (rear
outlet, left outlet, top left outlet, top center outlet).
3-3-1 Rear outlet3-3-2 Left outlet
Cut off the resin area (hatched area).Cut off the thin area (hatched area) with
nippers or the like and then remove the burrs
with a le or the like.
3-3-3 Top left outlet3-3-4 Top center outlet
Cut off the thin area (hatched area) with
nippers or the like and then remove the burrs
with a le or the like.
Cut off the thin area (hatched area) with
nippers or the like and then remove the burrs
with a le or the like.
3-4 Conduct wiring.
1. The switchbox and the transmission wiring should not be attached.
2. Do not directly touch the remote controller PCB.
Wiring Specications
Wiring TypeSheathed vinyl cord or cable
Wiring Size0.75~1.25 mm²
Wiring Length Max. 500 m
*This is the total length in the system when using group control.
Installer reference guide BRC1E53
5
(*)
4P419250-1 – 2015.10
Remote controller installation procedure
±10 mm
Indoor unit
The sheath part in the remote controller case should be stripped following these instructions.
For easy wiring, it is better to
Peel the shield and sheath
Cutting guideline
of the wiring
Sheath stripping length:
● ±150 mm for top left outlet
● ±200 mm for top center outlet
Connect the terminals (P/P1, N/P2) of the remote controller to the terminals (P1, P2) of the
indoor unit. (P1 and P2 have no polarities.)
keep ±10 mm difference
between the length of the two
wires.
3-4-1 Rear outlet
P1
P2
Lower case
Upper case
PCB
Clamp
Wiring fixing
point
Clamp
-Cross-section
Secure the wiring at
the wiring fixing point
by using the attached
clamp.
<Wiring fixing guideline>
BRC1E53 Installer reference guide
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2015.10
6
Remote controller installation procedure
Indoor unit
Upper case
Lower case
Upper case
Wiring retainer
Lower case
Upper case
Indoor unit
3-4-2 Left outlet
3-4-3 Top left outlet
P2P1
PCB
3-4-4 Upper center outlet
Wiring retainer
PCB
Wiring retainer
Wiring
-Cross-section
Indoor unit
P2P1
P2P1
Upper case
Install the attached
wiring retainer to
prevent wiring
pinching as shown
to the left.
● Do not perform wiring close to a power line in order to avoid electrical noise (external
noise).
● Seal the wiring draw-in port securely with putty (eld supply) to prevent the entry of
insects or the like.
3-5 Fixing procedure of the lower case.
In the case of wiring a remote controller through the top center outlet or rear outlet, perform the
wiring through the outlet hole in the lower case before it is installed on the wall.
3-5-1 Wall mounting
Secure by using the attached wood screws (2×).
Ø4.0x30)
3-5-2 Switchbox mounting
Secure by using the attached small screws (2×).
BRC1E53 Installer reference guide
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2015.10
8
Remote controller installation procedure
Switchbox for one unit
Small screws (M4×16)
CAUTION
Insert and twist the screwdriver
lightly to remove the upper case.
(4) Up button
(5) Down button
(6) Right button
(7) Left button
(9) Operation lamp
(8) On/Off button
(3) Menu/Enter button
(10) Cancel button
(2) Fan Speed/Airow Direction button
Main menu*
Lock Function**
Rotation**
Airow Direction
Individual Air Direction
Quick Start
Ventilation
Energy Saving Options
Schedule
Filter Auto Clean
Maintenance Information
Conguration
Current Settings
Clock & Calendar
Language
* Available menu items are depending on the
connected model.
** Lock Function and Rotation are hidden menu
items. For instructions on how to make them
visible, refer to chapters 14, 15, 16, and 17.
BRC1E53 Installer reference guide
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Functions and menu items of the remote controller buttons
<Service Settings>
Highlighted display (selected items)
(4) Up button
● Used to raise the set temperature.
● The next item on the upper side will be
highlighted.
(Keep pressing the button to cycle through
the values or items.)
● Used to change the selected item.
(5) Down button
● Used to lower the set temperature.
● The next item on the lower side will be
highlighted.
(Keep pressing the button to cycle through
the values or items.)
● Used to change the selected item.
(6) Right button
● Used to highlight the next item on the
right-hand side.
● The display contents are changed to the
next screen.
(7) Left button
● Used to highlight the next items on the
left-hand side.
● The display contents are changed to the
previous screen.
(8) On/Off button
● Press to start or stop the air conditioner.
(9) Operation lamp (Green)
● This lamp lights up during operation.
● This lamp will blink if an error occurs.
● This lamp is not lit when the unit operation
is OFF.
(10) Cancel button
● Used to return to the previous screen.
● Press and hold this button for 4 seconds or
longer to display the Service Settings menu.
(11) LCD (with backlight)
● The backlight will be lit for approximately
30 seconds when one of the buttons is
pressed.
● The actions linked to the buttons, except for
the On/Off button, are not carried out when
the backlight is not lit.
● When two remote controllers are used to
control a single indoor unit, the backlight of
the remote controller which is operated rst
will be lit.
● The Auto Display Off function allows for the
display to turn off automatically after a set
period of time. For instructions on how to set
and enable Auto Display Off, refer to the
user reference guide.
Service Settings menu*
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
External Input Interlock
Group Address
Indoor unit Airnet Address
Outdoor unit Airnet Address
Error History
Indoor Unit Status
Outdoor Unit Status
Forced Fan ON
Switch Main Sub Controller
Filter Indicator
Test Filter Auto Clean
Brush/Filter Ind
Disable Filter Auto Clean
* Available menu items are depending on the
connected model.
4-2 Description of button operation
Test Operation
Maintenance Contact
Installer reference guide BRC1E53
Field Settings
Demand
Min Setpoints Differential
External Input Interlock
SettingReturn
11
1/3Service Settings
Instructions for manipulating
the buttons will appear.
4P419250-1 – 2015.10
5. Power-on
CAUTION
● It is not possible to use two remote controllers and the Digital Input Adapter BRP7A* together.
The Digital Input Adapter will not work and will be in an error state when a sub remote
controller is detected.
● When controlling one indoor unit with two remote controllers, one remote controller needs to
be set as the main remote controller and one as the sub remote controller.
This selection needs to be made once during start up and can be changed afterwards in the
Service Settings menu.
● Check that the indoor/outdoor unit wiring is completed.
● Check that the switchbox cover of the indoor and outdoor units are closed before powering on.
If one indoor unit is controlled by a remote controller
Turn on the power.
5-1
5-2 "Checking the connection.
Please stand by." is displayed.
5-3 The Basic screen is displayed.
<Main remote controller>
5-2
Checking the connection.
Please stand by.
Main RC
<Basic screen>
5-3
Fan
NOTE
When the text on the
left is displayed, the
backlight does not
light up when one of
the buttons is pressed.
Power-on
If one indoor unit is controlled by 2 remote controllers
Put on the power.<Main remote controller><Sub remote controller>
5-4
5-5 "Checking the connection.
Please stand by." is displayed.
5-5
Checking the connection.
Please stand by.
Main RC
5-5
Checking the connection.
Please stand by.
Main RC
NOTE
When the above text is displayed, the backlight
does not light up when one of the buttons is
pressed.
BRC1E53 Installer reference guide
4P419250-1
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2015.10
12
Power-on
CAUTION
5-6 If the sub remote controller is not
set when powering on when one
indoor unit is controlled by two
remote controllers, "Error
code U5" is displayed in the
connection checking screen.
5-7 Select the sub remote controller
by pressing the Operation Mode
Selector button of either one of
the remote controllers for
4 seconds or longer.
5-8 When the display is changed from
Main RC to Sub RC, the setting is
completed
NOTE
If the Basic screen is not displayed more than 2 minutes
after the "Sub RC" display, turn off the power and check
the wiring.
5-9 The Basic screen is displayed.
5-6
5-9
5-6
Error Code U5
Checking the connection.
Please stand by.
Main RC
<Basic screen><Basic screen>
Error Code U5
Checking the connection.
5-7
Please stand by.
Main RC
Press and hold the
Operation mode selector
button of the sub remote
controller for 4 seconds or
5-8
Checking the connection.
Please stand by.
Sub RC
longer.
5-9
Fan
Fan
It's only possible to use a main and a sub remote controller of the same type. For example, do
not combine BRC1E52* with BRC1E53*.
Installer reference guide BRC1E53
13
4P419250-1 – 2015.10
NOTE
● When selecting a different language, refer to "13. Language" on page 28.
● The following functions cannot be set in the sub remote controller.
Set them in the main remote controller:
• Individual Airow Direction
• "Auto" operation mode (switches to cooling or heating)
• Energy Saving Options
• Schedule
• Service Settings (only Test Operation, Maintenance Contact and Switch Main Sub
Controller are available).
• Demand
• Quiet Operation Mode
• Rotation
• Draft Prevention
Power-on
BRC1E53 Installer reference guide
4P419250-1
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2015.10
14
Field settings
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
External Input Interlock
1/3Service Settings
SettingReturn
6. Field settings
<Basic screen>
6-1 Press and hold the Cancel
button for 4 seconds or longer.
The Service Settings menu is
displayed.
6-2 Select Field Settings and press
the Menu/Enter button.
6-3 "Highlight the "Mode No." by using
the (Left/Right) buttons,, and
select the desired "Mode No." by
using the (Up/Down) buttons.
For the most commonly-used eld
settings, refer to page 17.
6-4 In the case of conguring the
indoor units individually during
group control (When Mode No.
such as 20 , 21 , 22 , 23 , 25
are selected), highlight the unit
No. by using the (Left/Right)
buttons. and select the "Indoor
unit Number" to be set by using
the
(Up/Down) buttons. (In
the case of conguring as a
group, this operation is not
needed.)
6-5 Highlight the SECOND CODE
NO. of the FIRST CODE NO. to
be changed by using the
(Left/Right) buttons and select the
desired SECOND CODE NO. by
using the (Up/Down) buttons.
Multiple identical mode number
settings are available.
Installer reference guide BRC1E53
15
6-1
Fan
<Service Settings>
Press and hold the Cancel
button for 4 seconds or
longer while the backlight is
6-2
Press the Menu/Enter
<Field settings>
In the case of individual
setting per indoor unit
6-3
Field Settings
Unit No.0Mode
6-4
20
In the case of group
6-4
Field Settings
6-6
6-5
SettingReturn
SECOND CODE NO.
NOTE
● In the case of individual conguration per indoor
unit, the current settings are displayed.
● SECOND CODE NO. " - " means that there is no
function available
● In the case of conguring as a group, all SECOND
CODE NO. which may be set are displayed as
" * ".
Press the Menu/Enter
FIRST CODE (SW) NO.
button.
4P419250-1 – 2015.10
lit.
button.
setting
Mode
10
SettingReturn
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