Mitsubishi Electric Ecodan PAR-WT50R-E Manual

English (EN)
Installation and Setting Manual
For safe and correct use, please read this manual thoroughly before installing the PAR-WT50R-E and
PAR-WR51R-E devices.
FOR INSTALLER
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Installations- og indstillingsvejledning
Læs venligst denne vejledning grundigt inden installation af enhederne PAR-WT50R-E og PAR-WR51R-E af
hensyn til sikker og korrekt brug.
TIL INSTALLATØR
Installations- und Kongurationsanleitung
Lesen Sie sich zur sicheren und korrekten Verwendung diese Anleitung bitte sorgfältig durch, bevor Sie die
Geräte PAR-WT50R-E und PAR-WR51R-E installieren.
FÜR DEN INSTALLATEUR
Manuel d'installation et de conguration
Pour garantir une utilisation sûre et appropriée, lisez attentivement le présent mode d'emploi avant d'installer
les dispositifs PAR-WT50R-E et PAR-WR51R-E.
POUR LES INSTALLATEURS
Handleiding voor installeren en instellen
Voor een veilig en juist gebruik moet u deze handleiding goed doorlezen alvorens de PAR-WT50R-E en
PAR-WR51R-E apparaten te installeren.
VOOR DE INSTALLATEUR
Manual de Instalação e Denição
Para uma utilização segura e correcta, é favor ler cuidadosamente este manual antes de instalar os dispositi-
vos PAR-WT50R-E e PAR-WR51R-E.
PARA O INSTALADOR
Manual de instalación y conguración
Para un uso correcto y seguro de los dispositivos PAR-WT50R-E y PAR-WR51R-E, lea este manual antes de
su instalación.
PARA EL INSTALADOR
Manuale di installazione e impostazione
Per un uso corretto e sicuro, leggere attentamente il presente manuale prima di installare i dispositivi
PAR-WT50R-E e PAR-WR51R-E.
PER L'ADDETTO ALL'INSTALLAZIONE
Installations- och Inställningsmanual
För säker och korrekt användning, var god läs denna manual noggrant innan du installerar PAR-WT50R-E-
och PAR-WR51R-E-enheterna.
FÖR INSTALLATÖREN
Installasjons- og kongurasjonsanvisning
Les denne bruksanvisningen nøye før du installerer PAR-WT50R-E og PAR-WR51R-E, for å sikre trygg og
riktig bruk.
FOR INSTALLATØREN
Asennus- ja asetusopas
Turvallisen ja asianmukaisen käytön varmistamiseksi lue tämä opas huolellisesti ennen PAR-WT50R-E- ja
PAR-WR51R-E-laitteiden asennusta.
ASENTAJALLE
Wireless Remote Controller
and Receiver
PAR-WT50R-E
PAR-WR51R-E

EN
1. Safety Precautions ...............................1
2. Accessories and Installation Tool .........3
3. Before using ATW wireless system......3
4. Installing Wireless Receiver .................4
4.1 Connecting to Cylinder unit ..............4
4.2 Connecting to Hydrobox...................8
5. Pairing process...................................10
6. Setting wireless remote controllers.....12
6.1. Viewing Address Number..............13
6.2. Pairing ..........................................13
6.3. Selecting the Temperature Unit ...13
Contents
6.4.Communication Test ......................14
6.5. Displaying or Hiding Room Temperature ...14
6.6 Automatic Zone No. Display ............. 15
7. Wireless Receiver Operation..............16
7.1. Functions of Buttons and Displays ..16
7.2.Turning on Power...........................17
7.3.Wireless Receiver Functions..........17
8. FAQ ....................................................18
9. Specications .....................................19
10. Supplementary information...............19
1
Warning
►Installation
Do not use the device in particular en-
vironments.
Do not use the device in particular environments
where the following substances are present in
large amounts: oil, vapour, organic solvent, corro-
sive gas (such as ammonia, sulphuric compounds,
and acid or the like), or where acid or alkali solu-
tion, or particular sprays are used frequently. This
could affect operating performance, or cause
corrosion, which could result in electrical shock,
breakdown, smoke generation, or re.
Do not place the devices in an environ-
ment where ammable gas may occur,
stay, ow in, or leak.
Build-up of flammable gas could result in fire or
explosion.
1. Safety Precautions
● The precautions mentioned below are important to use the device safely. Be sure to under-
stand and follow them.
● The following hazardous classification shows the likelihood and severity of hazards if a per-
son does not follow the instructions contained on the following signs.
Warning Indicates a hazardous situation which, if a person does not follow the instruc-
tions, could result in death or serious injury.
Caution Indicates a potentially hazardous situation that, if a person does not follow the
instructions, may result in bodily injury or property damage.
This manual explains installation of the PAR-WR51R-E wireless receiver and the
PAR-WT50R-E wireless remote controller, and settings of these devices. Before in-
stalling the devices, read this manual thoroughly. After reading, be sure to hand this
manual to the user.

EN
2
Caution
Do not drop the device. This could break the case or affect the device enough
to make it inoperable.
Install the device in a place capa-
ble of bearing its own weight .
If the device is not installed securely or properly, the
wireless receiver may fall.
Disposal
This symbol mark is for EU countries only.
This symbol mark is according to the directive 2002/96/EC Article 10 Information for us-
ers and Annex IV, and/or to the directive 2006/66/EC Article 20 Information for end-users
and Annex II.
Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materi-
als and components which can be recycled and/or reused. This symbol means that electrical
and electronic equipment, batteries and accumulators, at their end-of-life, should be disposed
of separately from your household waste. If a chemical symbol is printed beneath the symbol,
this chemical symbol means that the battery or accumulator contains a heavy metal at a cer-
tain concentration.
This will be indicated as follows: Hg: mercury (0.0005%), Cd; cadmium (0.002 %), Pb: lead (0.004%)
In the European Union there are separate collection systems for used electrical and electronic products,
batteries and accumulators.
Please, dispose of this equipment, batteries and accumulators correctly at your local community waste col-
lection/recycling centre.
Please, help us to conserve the environment we live in!
Warning
The device must be installed by a
dealer or an authorised technician ac-
cording to the appropriate installation
manual.
If the device is installed improperly, electric shock
or re could result.
Do not place the device in an environ-
ment that exposes it to large amounts
of vapor or condensation.
Electric shock, re, or breakdown could result.
►Wiring
The wireless receiver’s maximum volt-
age is 12V DC. Do not connect 230V
AC power source to the wireless re-
ceiver.
Breakdown, ignition, or re could result.
Connections must be made securely
and without tension or external force
on the terminals.
If connections are made improperly, breaking of
wire, heat generation, or re could result.
►Others
Do not use sharp objects to press the
buttons.
Electric shock or breakdown may result.
Do not touch or operate the device with
wet hands.
Electric shock or breakdown may result.
Do not wash the device with water or
solution or the like.
Electric shock or breakdown may result.
When installing or repairing the device,
ask a dealer or a qualied technician.
If the device is not installed properly, electric
shock, smoke generation, or re could result from
entry of dust or water.
Do not disassemble or modify.

EN
3
2. Accessories and Installation Tool
The following items are included in the box.
Part name No.
Wireless receiver <PAR-WR51R-E>
(2 m long cable included) 1
Bracket 1
Flat head screw (4.1 × 6) 4
Installation and setting manual 1
* Installing of the devices requires a Phillips-head screwdriver (No.2 6 mm).
3. Before using ATW wireless system
Following is the summary of the procedure for installing and setting the wireless system.
1. Devices and manuals required to set and install the wireless system
PAR-WT50R-E wireless remote controller
PAR-WR51R-E wireless receiver
ATW wireless system installation and setting manual (this manual)
Wireless remote controller operation manual (hereinafter abbreviated as OM)
Ecodan system installation manual (hereinafter abbreviated as IM)
2. Installing and setting procedure
Power off the ecodan system.
Install the wireless receiver on the ecodan system.
(See "4. Installing the Wireless Receiver" in this manual .)
When installing the wireless receiver, be sure to set the SW1-8 on the control
board to ON. (See “5.1 DIP Switch Functions” in IM. )
Power on the ecodan system, and the LEDs will blink on the receiver for 3 seconds.
Place two AA alkaline batteries in the wireless remote controller.
(See “·Batteries” in “4. Before Operation” in OM.)
Perform pairing process between the wireless receiver and the remote controller.
(See "5. Pairing process” in this manual .)
The wireless receiver does not go through a pairing process unless the ecodan
system is off. When the system is ON, be sure to turn it off before beginning the
pairing process.

EN
4
4. Installing Wireless Receiver
4.1 Connecting to Cylinder unit
* Before installation, be sure to turn off the main power supply.
Remove the two screws that hold the front panel, and remove the panel.
Screws
(2 positions)
Front panel
If the removed front panel is set aside away from the indoor unit, ensure the relay
connector on Main remote controller is disconnected.
Test wireless communication between the wireless remote controller and the wireless
receiver.
(See “6.4 Communication Test” in “6. Setting wireless remote controllers” in this manual .)
Position the wireless remote controller in an appropriate place.
(See "4. Before Operation" in OM.)
To set the wireless remote controller as a room sensor that monitors room temperature,
see "Main remote controller Options" in IM.
Use the main controller to set the ecodan system to the room temp. ( ) mode.
When the ow temp. ( ) mode or the compensation curve ( ) mode is selected, the
wireless remote controller will operate as a thermostat. (See “Main remote controller” in
IM.)
When the remote controller set as a room sensor runs out of battery or gets a
communication error during room temp. mode, the room temp. mode will auto-
matically switch to the compensation curve mode.
The room temp. mode will be restored by battery replacement or solution of com-
munication error.
Installation and setting of the wireless remote controller is complete. To set additional
wireless remote controllers, repeat Step to .

EN
5
Run the receiver's cable into the cylinder unit
through the inlet as shown on the figure.
Remove the screw and pull the control and electrical box so that the control and electrical
box is swung toward you from left.
Control and electrical box Control and electrical box
Screws
(2 positions)
Do not run the receiver's cable through an
inlet that a power cable goes through and
do not bundle the cable together with a
power cable.
Route the cable out the back of the control and electrical box, and run the cable into the box
through the shown inlet in the underside of the box.
Control and
electrical box
Control and
electrical box
Control board
Screw
(1 position)
Receiver’s cable

EN
6
Connect the cable connector to the CNRF terminal on the control board. Switch ON SW1-8.
Remove excessive slack on the cable , then secure the cable with a cable fastener and 2 ca-
ble straps on the upper side and center on the back of control and electrical box.
CNRF
SW1
Control and
electrical box
Back view
Cable
straps
Cable
fastener

EN
<Notice>
●Do not overtighten the screws.
►The bracket may deform or break.
●When installing the bracket, select an interference-free space.
►Keep the installing area at least 10 cm away from metal or a wall box. If unable to do
so, always place the room wireless remote controllers in locations where the com-
munication test determines that the wireless remote controllers are fully capable of
communication with the wireless receiver.
●Do not install the bracket with screws on the exterior casing of the cylinder unit.
► The internal parts may be damaged, which could result in breakdown of the indoor unit.
●Do not install the bracket where the receiver could be exposed to moisture or
leaked water from piping connections above.
► The wireless receiver subjected to moisture or leaked water could cause electric
shock, fire, or its breakdown.
7
Check the maximum reach of the cable and
install the bracket on the wall with screws.
Place the control and electrical box back in the original position and reinstall the 3 screws.
Place the wireless receiver on the fixed bracket.
Hook the holes on the back of the wireless re-
ceiver onto the projections on the bracket, and
fix the wireless receiver in place.
<Notice>
●Do not place the wireless receiver inside the cylinder unit.
►Both the wireless receiver and its wire may break due to heat inside the indoor unit.
● Do not let the wireless receiver stand on top of the cylinder unit. Always x the
wireless receiver onto the bracket.
►Wireless communication performance may be affected.
●Do not pull the cable excessively.
►Breakdown, ignition, or fire may result.
●Do not have the wireless receiver suspended.
►Breakdown, ignition, or fire may result.
Fix the front panel with screws.
Do not excessively pull the cable when
checking the maximum reach.

EN
8
Control and
electrical box
Control board
4.2 Connecting to Hydrobox
* Before installation, be sure to turn off the
main power supply.
Remove the two screws that hold the front
panel, and remove the panel.
Screws
(2 positions)
Front panel
Route the receiver's cable into the hy-
drobox through the leftmost inlet at the
bottom of the unit. Then route into the
control and electrical box through the
shown inlet at the bottom of the con-
trol and electrical box.
●Do not bundle the receiver cable
with a power cable.
●Do not run the cable through
an inlet that a power cable goes
through.

EN
9
Connect the cable connector to CNRF on the control board. Switch ON SW1-8.
Check the maximum reach of the cable and
install the bracket with screws.
When installing the wireless receiver,
observe the following.
●Keep the other electric or electronic
devices (e.g. radio, induction heating
cooker, microwave oven, refrigerator,
and mobile phone or the like) at least 50
cm away from the wireless receiver.
●Place the wireless receiver in an inter-
ference-free area and keep the wireless
receiver away from metal.
Do not excessively pull the cable when
measuring the maximum reach.
<Notice>
●Do not overtighten the screws.
►The bracket may deform or break.
●When installing the bracket, select an interference-free space.
►Keep the installing area at least 10 cm away from metal or a wall box. If unable to do
so, always place the room wireless remote controllers in locations where the com-
munication test determines that the wireless remote controllers are fully capable of
communication with the wireless receiver.
●Do not install the bracket with screws on the exterior casing of the cylinder unit.
► The internal parts may be damaged, which could result in breakdown of the indoor unit.
●Do not install the bracket where the receiver could be exposed to moisture or
leaked water from piping connections above.
► The wireless receiver subjected to moisture could cause electric shock, fire, or its
breakdown.
CNRF
SW1

EN
10
Place the wireless receiver on the fixed bracket.
Hook the holes on the back of the wireless re-
ceiver onto the projections on the bracket, and
fix the wireless receiver.
<Notice>
●Do not place the wireless receiver inside the hydrobox.
►Both the wireless receiver and its wire may break due to heat inside the indoor unit.
●Do not pull the cable excessively.
►Breakdown, ignition, or fire may result.
●Do not have the wireless receiver suspended.
►Breakdown, ignition, or fire may result.
Hold the front panel with the screws.
● If the wireless remote controller is not paired, the indoor unit cannot be operated
using the remote controller.
● Before using the wireless remote controllers, always ensure to go through a pairing
process.
● Pairing is NOT possible unless the ecodan system is off. When the ecodan system
is ON, be sure to turn it off before starting the pairing process.
● The wireless receiver is also needed for pairing, so please make sure to operate the
wireless remote controller near the wireless receiver.
5. Pairing process
Hold down button on the wireless receiver
for 3 seconds or more until orange LED
blinks.
The pairing mode is cancelled by pressing
button.
Mode No.
Hold down , and buttons simultane-
ously for at least 3 seconds until the mode
number blinks.
Blinking (orange)

EN
11
When appears on the display, do not perform pairing. The power may be turned off
in the middle of pairing, which may lose the pairing information.
When using multiple wireless remote controllers in one ecodan system, be sure to set
different address for each remote controller.
When the pairing process has been success-
fully performed, " " is shown on the remote
controller and green LED steadily lights on
the wireless receiver.
<Pairing is successful>
Lighting (green)
Blinking (orange)
Press or button to set the mode number
to “1” and press button.
When button is pressed in the middle of
setting, the screen returns to the previous
indication.
Press or button to select a pairing ad-
dress, and press button to set the address.
" " (no setting) is displayed initially. Choose a
number from 1 to 8.
After pressing button, the wireless remote
controller starts communication with the wire-
less receiver.

EN
12
6. Setting wireless remote controllers
<Pairing is unsuccessful>
<<Main causes that prevent successful pairing>>
● The wireless receiver does not enter the pairing mode.
►Press button for 3 seconds or more until orange LED blinks.
Make sure to turn off the ecodan system by main controller.
● Pairing is attempted outside the transmission range of the wireless receiver.
►Adjust the distance between the wireless receiver and remote controller, and so try again.
If the distance is excessively short, pairing may fail. Keep the distance of about 50 cm.
● The wireless remote controller has been already paired with the wireless receiver.
►The pairing address assigned to a wireless remote controller cannot be changed by remote
controller. Use the wireless receiver to reset pairing information. (Refer to “(3) Resetting
pairing information” in “7.3. Wireless Receiver Functions”.)
Even when power fails or when the batteries run down, the pairing information will be
kept.
When " " appears on the remote controller
and green LED on the wireless receiver
blinks , correctly repeat the same process from
step 5.
Even if the pairing process failed, the wireless
receiver stays in the pairing mode for 5 minutes
unless cancelled.
Mode No.
Hold down , and buttons simultane-
ously for at least 3 seconds until the mode
number blinks.
Press or button to choose a mode
number.
Blinking (green)Blinking (orange)

EN
13
6.3. Selecting the Temperature Unit (Mode No. 2)
Set the mode no. to “2”.
The temperature reading can be selected between
Celsius (°C) or Fahrenheit (°F).
Press or button to select °C or °F and
press button to conrm the selection.
Mode
No. Names Functions Initial settings
0Pairing address dis-
play
To view the own pairing address of the wireless
remote controller.
1 Pairing To perform a pairing process with the wireless re-
ceiver.
2 Temperature unit To select °C or °F. °C
3Communication test Communication test with the wireless receiver.
4Room temperature
display Actual room temperature display OFF
5Automatic zone no.
display To enable or disable automatic zone no. display. OFF
6.1. Viewing Address Number (Mode No. 0)
Set the mode no. to “0”.
The display to the right shows that the address is
set to “2”.
Conrm setting by pressing button.
The display stops blinking and lights steadily.
When button is pressed in the middle of set-
ting, the screen returns to the previous indication.
6.2. Pairing (Mode No. 1)
For details, refer to “5. Pairing process”.

EN
14
6.4. Communication Test (Mode No. 3)
Before conducting the communication test, ensure that the wireless remote controller
goes through a pairing process.
Set the mode no. to “3”.
Communication test is performed between the
wireless remote controller and the wireless re-
ceiver.
When the display shows " ", this indicates that
the communication between the remote controller
and the receiver is established. If " " is shown,
the wireless remote controller is not communicat-
ing with the wireless receiver.
Do not leave the wireless remote controller in a
location where the communication test results in
" ".
<When the actual room temperature is NOT displayed >
<When the actual room temperature is displayed >
6.5. Displaying or Hiding Room Temperature (Mode No. 4)
Set the mode no. to “4”.
Select either displaying or hiding the room tem-
perature.
Press or button to select displaying or hid-
ing the room temperature, and press button
to save the setting.
Hiding :" ".
Displaying :Actual room temperature is dis-
played

EN
If the measured room temperature is out of
0°C to 40°C range, the room temperature
display blinks.
When the indoor unit is operating, the room tem-
perature display shows the actual room tempera-
ture (18°C) below and the set temperature (20°C)
above as shown in the gure to the right. The meas-
urable temperature range is from 0°C to 40°C.
When the wireless remote controller is installed on a bracket, room temperature might
not be accurate being affected by the wall temperature.
Perform a test run and place the remote controller where the room temperature can
be correctly detected.
15
<Inactive>
<Active>
6.6. Automatic Zone No. Display (Mode No. 5)
Set the mode no. to “5”.
When the automatic zone no. display is ac-
tive, a zone number assigned to the remote
controller is displayed for 3 seconds after
temperature setting.
Press or button to select between "
" and or , and press button to
save setting.
Inactive :" ".
Active :The zone no. ( or ) as-
signed to the remote controller
is shown.

EN
16
7. Wireless Receiver Operation
The wireless receiver is powered by indoor unit. It communicates with the wireless remote
controller(s), and transmits to the indoor unit the operation status and commands received from
the wireless remote controlle(s). The wireless receiver has two modes available: pairing mode
and pairing reset mode.
7.1. Functions of Buttons and Displays
Number Item Description
Setting button To switch operating mode.
Communication LED (green) To indicate that the wireless re-
ceiver is communicating.
Operation LED (orange) To show operating status of the
wireless receiver.
The following table shows the operating and illuminating status of the LEDs.
Operation LED
(orange)
Communication LED
(green) Description
Blinking Blinking Power is ON (for 3 seconds).
Off Off Normal mode: Not paired
Off On Normal mode: Paired
Off Blinking Normal mode: Communicating
Blinking Off Performing a pairing process
Blinking On Pairing: Successful
Blinking Blinking Pairing: Unsuccessful
On On Pairing information is cleared.
Front view
Top view

EN
17
Not paired
Paired
Transmitting
Power ON
7.2. Turning on Power
When the wireless receiver is powered by in-
door unit after installation, green LED
and orange LED blink for 3 seconds.
7.3. Wireless Receiver Functions
(1) Normal mode
When the wireless receiver is paired with a
wireless remote controller, green LED
comes on. When the wireless receiver is com-
municating with a wireless remote controller,
green LED blinks.
(2) Pairing mode
For details, refer to “5. Pairing process” in this manual.
(3) Resetting pairing information
Once pairing information has been cleared, ALL the wireless remote controllers need go
through a pairing process again.
Hold down button for 5 seconds or more
until and LED light while pairing
mode is active. All the pairing information is
cleared.

EN
18
8. FAQ
Questions Answers
How many wireless
remote controllers are
allowed to be paired?
Up to 8 controllers.
What should be noted
about Pairing?
• The same address cannot be assigned to multiple remote
controllers
• If the same address is assigned to multiple controllers, the
address can be assigned to only the last paired remote con-
troller.
• Once the remote controller is paired, its pairing address
cannot be changed by remote controller. Use the wireless
receiver to reset pairing information.
What causes a communi-
cation error between the
wireless remote controller
and wireless receiver?
Check the following possible causes.
•The batteries on the wireless remote controller are running
out.
• The transmitted signal does not reach the wireless receiver.
• The wireless remote controller is not paired.
What measures should be
taken when the room temp.
display indicates “1” with
?
The indoor unit or outdoor unit has a failure. Refer to the indi-
cations on the main controller and take appropriate measures.
Please also check installation and service manuals for the in-
door unit.
What measures should be
taken when the room temp.
display indicates “2” with
?
The thermistor inside the wireless remote controller has a fail-
ure. Check the resistance of the thermistor. (When the room
temperature is between 0 and 40°C, the resistance must be
between 5 and 28 kΩ.)
What measures should be
taken when the room temp.
display indicates “3” with
?
A communication error occurs between the wireless remote
controller and the wireless receiver. Check the following pos-
sible causes.
• The signal that is transmitted by the wireless remote control-
ler does not reach the wireless receiver.
• The wireless remote controller is not paired.
What measures should be
taken when the room
temp. display indicates “4”
with ?
A communication error occurs between the wireless receiver
and the indoor unit. Check the following possible causes.
• The cable connecting between the wireless receiver and
the indoor unit has severed.
• The wireless receiver is not correctly connected to the in-
door unit.
What measures should be
taken when the room
temp. display indicates “E”
with ?
Backup heater is running due to a failure of the indoor unit or
the outdoor unit.
Check the error code displayed on the main controller and take
appropriate measures accordingly.
The holiday mode is NOT available during backup heater only
operation.

EN
19
* When is shown on the remote controller, this indicates that the remote controller is used for
monitoring the room temperature. In this example, the living room temperature monitored by
remote controller 1 is regarded as the room temperature for Zone1. The bed room 2 temperature
monitored by remote controller 4 is regarded as the room temperature for Zone2.
<<2-zone temperature control>>
● A thermistor is built in the remote controller (Room RC) or the main controller (Main RC), or
TH1. The indoor unit refers to temperature monitored by a selected thermistor and controls
temperature for each zone.
● For 2-zone temperature control, one room sensor can be selected for Zone1 and Zone2 sep-
arately. The room sensor is used for monitoring room temperature.
● The selection of room sensor can be fixed or changed according to time, using a schedule
timer.
Note: Room sensor can be selected by main controller only.
9. Specications
Item Description
Power source 12V DC (powered by indoor unit)
Operating temperature and humidity re-
quirements
Temperature: 0 to 40°C
Humidity 30 to 90%RH (No condensation)
Weight 150 g (excluding a cable)
Dimension (W×H×D) 100 mm × 80 mm × 30 mm
10. Supplementary information
Product che of temperature control
(a) Supplier’s name: MITSUBISHI ELECTRIC CORPORATION
(b) Supplier’s model identier: PAR-WT50R-E and PAR-WR51R-E
(c) The class of the temperature control:
(d) The contribution of the temperature control to seasonal space heating energy efciency: 4%
Indoor unit Living room Dining room Bed room 1 Bed room 2
Address 1 Address 2 Address 3 Address 4
Receiver
Zone1 Zone2