Myson RIO Series User manual

01.03.2020
RIO range
Installation, operating, and instruction manual
Please leave this manual with the end user
MYSON
Purmo Group (UK) Ltd
Eastern Avenue, Team Valley
Gateshead, Tyne & Wear
NE11 0PG, UK
T: 0845 402 3434
F: 0191 491 7568
[email protected]
www.myson.co.uk
Register your warranty
online at www.myson.co.uk
Class I - 230V - 50 Hz

1.0 Warnings & Safety InformationContents
1.0 Warnings & Safety Information 03
2.0 General Information 05
3.0 Installation 06
4.0 Maintenance, Repair & Disposal 07
5.0 Waste Disposal According to The WEEE Directive (2002/96/EC) 08
6.0 Warranty 08
7.0 Operating Instructions 08
7.1 Display 08
7.2 Behaviour Indicator 09
7.3 Keyboard 09
8.0 Working Mode Definition 09
8.1 Manual Comfort Mode 09
8.2 Manual Reduced Mode 09
8.3 Frost Protection Mode 09
8.4 Standby Mode 10
8.5 Automatic Mode 10
8.6 Programme Selection Mode 11
8.7 Defining a User Programme 11
8.8 Timed Override Mode 15
8.9 Power Settings 15
8.10 Sensor 15
9.0 Key Lock Function 15
10.0 Window Open Function 15
11.0 Parameter’s Menu 16
12.0 Technical Characteristics 19
13.0 Radiator connect to the TOUCH4 Programmer 20
14.0 Troubleshooting & Solution 22
15.0 Preset Programmes 23
16.0 Eco Directive Characteristics 24
Safety information
This appliance can be
used by children aged
from 8 years and above
and persons with reduced
physical, sensory or
mental capabilities or
lack of experience and
knowledge, if they have
been given supervision
or instruction concerning
use of the appliance in a
safe way and understand
the hazards involved.
Children shall not play
with the appliance.
Cleaning and user
maintenance shall not be
made by children unless
they are older than 8
and supervised.
Keep the appliance and
its cord out of reach of
children aged less than
8 years.
Children of less than
3 years should be kept
away from the unit unless
continuously supervised.
Children aged from 3 years
and less than 8 years
shall only switch on/off
the appliance provided
that it has been placed
or installed in its normal
operating position and
they have been given
supervision or instruction
concerning use of the
appliance in a safe way
and understand the
hazards involved.
Children aged from 3 years
and less than 8 years shall
not plug in, regulate, clean
the appliance or perform
user maintenance.
03RIO

1.0 Warnings & Safety Information (cont...) 1.0 Warnings & Safety Information (cont...)
The radiator is filled with an exact amount
of environmental friendly vegetable oil. Any
repairs that require the radiator to be opened
shall therefore only be carried out by the
manufacturer or his approved agent.
2.0 General Information
lThe appliance is a sealed electric radiator
designed for fixed wall mounted installation.
lThe radiator conforms to the standards
EN 60335-1 and EN 60335-2-30.
lThe radiator is class 1 and splash resistant
(IP44).
lThe radiator complies with the European
Directive 2014/30/EU (CE Marking on all
radiators).
lThe radiator is supplied complete with power
cable* and wall brackets.
CAUTION
Some parts of this
product can become
very hot and cause burns.
Particular attention has
to be given where
children and vulnerable
people are present.
In order to avoid
overheating, do
not cover the radiator.
“Do not cover” means
that the radiator must
not be used for drying
clothes, for example,
by placing them directly
on the radiator.
IMPORTANT SAFETY
INSTRUCTIONS!
Before starting work disconnect power supply!
All installation work and wiring work related to the
radiators, thermostats and programmers must be
carried out only when de-energised.
The appliance should be commissioned by
qualified professionals only.
Make sure to adhere to valid safety regulations.
Any repairs or maintenance within the warranty
period should be carried out only by approved
service engineers confirmed by Electrorad UK Ltd.
For the correct installation of radiators it
is essential that the fixing of the radiator is
carried out in such a way that it is suitable
for intended use AND predictable misuse. A
number of elements need to be taken into
consideration including the fixing method
used to secure the radiator to the wall, the
type and condition of the wall itself, and any
additional potential forces or weights, prior
to finalising installation. IN ALL CASES IT IS
STRONGLY RECOMMENDED THAT A SUITABLY
QUALIFIED PROFESSIONAL INSTALLER OR
SIMILAR TRADESPERSON CARRIES OUT THE
INSTALLATION.
PLEASE NOTE: The fixing materials provided
are only intended for installation on walls made
of solid wood, bricks, concrete or on timber-frame
stud walls where the fixing is into the timber. All
walls being considered should have no more than
a maximum of 3mm wall finishing. For walls made
of other materials, for example hollow bricks,
please consult your installer and/or specialist
supplier. ONCE AGAIN, IF YOU ARE UNSURE,
IT IS STRONGLY RECOMMENDED THAT
A SUITABLY QUALIFIED PROFESSIONAL
INSTALLER OR SIMILAR TRADESPERSON
CARRIES OUT THE INSTALLATION.
The radiator is equipped with an overheat
protection that cannot be reset (melt fuse). This
overheat protection disconnects the current if
the radiator becomes too hot (e.g. when covered).
If the supply cord is damaged, it must be replaced
by the manufacturer, his service agent or similar
qualified persons in order to avoid a hazard.
1. Thermostat Control
4. Power Cable*
3. Room Temperature Sensor
2. Power On/Off Switch
05RIORIO04
Cable Hook Assembly
Back of Radiator

3.0 Installation (cont...)
4.0 Maintenance, Repair & Disposal
lUse only a damp cloth for cleaning and wiping
of the radiator which should be switched off
at this time.
lWhen scrapping the radiator, follow the
regulations concerning the disposal of oil.
3.0 Installation
CONNECTION
lThe electrical installation must comply with
the local or national regulations.
lThe radiator must be connected to the
electrical supply, using a switched fused spur
with 3mm separation on all poles.
lIf the radiator is installed in a bathroom or
shower room, it must be protected with a
residual current device (RCD) with a rated
residual current not exceeding 30 mA.
Optional Extras
C 135 205
D 90 163
Height (mm) 300 500
A 160 160 160 160 160 160 160 160 160 160
B 101 203 355 508 660 711 965 1016 1320 1727
Length (mm) 400 500 650 800 950 1000 1250 1300 1600 2000
RIO Double Panel (refer to figure 2)
lThis product is splash resistant with an
IP44 rating. This must be considered when
installing in a location containing a bath or
shower, as defined by BS 7671.
lThe radiator may be positioned in zone 2
(figure 4) of the bathroom, in so far as no
operating controls (button, switch, etc.) are
in reach of persons in the bath or under
the shower.
FIXING
lMark out the distance between the brackets
and the positions for the screw holes as
shown in figure 2 and the dimension tables at
the top of page 7, and ensure the safety clips
are used (see figure 3).
Figure 3.
Min. 100mm
Min. 100mm
Min. 100mm
Figure 1.
Step 1 Step 2
POSITIONING
lThe radiator must be positioned horizontally,
the right way up on the wall in order for it to
function correctly. Never switch the radiator
on in any other position as this will damage
the electrical element.
lThe radiator must be positioned according
to the applicable standards and the
minimum distances as specified in figure 1
should be carefully observed.
lThe radiator must not be located
underneath an electric socket.
Zone 1 Zone 2
Zone 2
Zone 0
OUTSIDE ZONES
3m 2.25m
0.6m
0.6m
Figure 4.
Safety Clip-on Brackets
TOUCH4
Rio radiators can be used as a stand
alone radiator or connected to a TOUCH4
Programmable Thermostat for Control
Programming.
07RIORIO06
A
D
L
B
C
H
Figure 2.

6.0 Warranty
The product is covered by a 10 year warranty
except for the electrical and electronic
components that are covered by a 2 year
warranty.
7.0 Operating Instructions
7.1 Display
The electronic thermostat has an LCD display
specially designed for the regulation of the
electrical radiator. It will optimise energy
consumption and increase comfort levels.
Features:
lAdaptive start
lDisplay with backlight
lTimed override function
lWindow open detection.
5.0 Waste Disposal According to The WEEE Directive (2012/19/EU)
Waste disposal according to the
WEEE Directive (2012/19/EU).
The symbol on the product label
indicates that the product may not
be handled as domestic waste, but
must be sorted separately. When
it reaches the end of its useful life, it shall be
returned to a collection facility for electrical
and electronic products. By returning the
product, you will help to prevent possible
negative effects on the environment and
health to which the product can contribute if
it is disposed of as ordinary domestic waste.
For information about recycling and collection
facilities, you should contact your local
authority/municipality or refuse collection
service or the business from which you
purchased the product. Applicable to countries
where this Directive has been adopted.
7.2 Behaviour Indicator
7.3 Keyboard
Keys:
< = Left Navigation Key
> = Right Navigation Key
+ = Plus Key
- = Minus Key
OK = Validation Key
8.3 Frost Protection Mode
Use this mode if you want to protect
your property against freezing when
leaving the property for extended
periods.
By pressing (+) or (-) keys, the reduced setting
temperature starts to blink and can be adjusted.
8.1 Manual Comfort Mode
Manual working mode, the comfort
setting temperature will be followed
all the time. By pressing the (+) or (-)
keys, the comfort setting temperature starts to
blink and can be adjusted.
This temperature will also be used when
following the weekly schedule on the
programmer (if applicable).
8.2 Manual Reduced Mode
Manual working mode, the reduced
setting temperature will be followed
all the time. By pressing (+) or (-) keys,
the reduced setting temperature starts to blink
and can be adjusted.
The reduced temperature is intended to be used
during the night or for short periods of time when
not in the room/property.
This temperature will also be used when
following the weekly schedule on the
programmer (if applicable).
WEEE NO: WEE/HD0506VZ
13 1
8
2
3
5
6
7
4
11
12
10
9
8.0 Working Mode Definition
How to change the working mode:
lUse the navigation keys left (<) or right (>) to
display the working mode line.
lMove the frame cursor on the desired working
mode and press (OK) to enter in the operating
mode you have chosen.
This is the bar at the bottom of the LCD display
that gives a visual indication of how much energy
the current temperature setting is using i.e.
red = high
orange = medium
green = low energy consumption
As you increase the temperature setting, the
behaviour indicator “bar”, in section 8 of the LCD
display, will increase in length.
The opposite applies when decreasing the
temperature setting.
NOTE: The behaviour indicator is replaced by the
programme information bar when in Automatic
mode.
09RIORIO08
1. Operating mode menu (active mode is framed).
2. Front panel temperature limit, Parameters
number if icon “3” is displayed or selected
programme number.
3. Installation parameter indicator.
4. “Key lock” function indicator.
5. “Room temperature” indicator.
6. Display zone for temperatures,
parameters, or time.
7. “Heating demand” indicator.
8. “Behaviour” indicator or programme
information bar.
9. “Mode” indicator in “Automatic” mode.
10. Day of week indicator.
11. Not used, but may show for a short period.
12. Hand icon.
13. “Window open” function indicator.

NOTE: Once saved, the user defined programmes
are not lost in the event of a power cut. However,
the time will reset to 00:00 and day 1 when the
power returns, if not set, so the product may not
heat at the expected times.
lUse the “+” or “-” keys to select a user
definable programme, U1 to U4, to be
modified, then press and hold the “OK”
key for 3 seconds.
NOTE: If a user defined programme has already
been created and saved, it will be overwritten
when the newly defined user programme is saved.
lThe above screen will be shown, where the
symbol, the time value 00:00, and the
time segment in the programme information
bar along the bottom of the screen will blink
continuously.
8.4 Standby Mode
lIn this mode the radiator is
switched off.
lThe radiator will no longer receive signals
from the TOUCH4 programmer.
lAt any time, press any key to view the
measured room temperature.
lAttention: Please be aware, if there is no
heating in your property then your radiators
could freeze. For the protection of product
and property in very low temperatures we
recommend the “frost protection” mode
is used.
8.5 Automatic Mode 8.7 Defining a User Programme
11RIORIO10
This mode is only to be used when
connected to a TOUCH4 programmer, or
when using the built-in programmer.
lPlease refer to Section 13.
NOTE: If the time and day has not been set prior
to selecting Automatic mode, you will be prompted
to set the time (see section 11, 09 hour: TIME
SETTING).
8.6 Programme Selection Mode
Selecting a Programme
lUse the “+” or “-” keys to select one of
the preset programmes, d1 to d9 (see
page 23), or one of the user definable
programmes, U1 to U4. The programme
number will blink. The programme sequence
for the current day is displayed along
the bottom of the screen. Press the “OK”
key to confirm the programme to be
followed.
lWhen confirmed, the control will return
to Automatic.
NOTE: If the time and day has not been set prior to
selecting Programme Selection mode, you will be
prompted to set the time (see section 11, 09 hour:
TIME SETTING).
lUse the “+” or “-” keys to adjust the time at
which the first Reduced period will end.
lAs the time indexes, the blinking segment on
the programme information bar will move
horizontally along the time scale according
to the time value.
lPress the “OK” key to confirm the time
at which the mode will change over from
Reduced to Comfort. The symbol will start
to blink instead of the symbol, signifying
the start of this Comfort period.

8.7 Defining a User Programme (cont...)
lUse the “+” and “-“ keys to adjust the time at
which the first Comfort period will end. The
segments in the programme information bar
will populate to show the Comfort period.
lPress the “OK” key to confirm the time
at which the mode will change over from
Comfort to Reduced. The symbol will start
to blink instead of the symbol, signifying
the start of this Reduced period.
lUse the “+” or “-” keys to adjust the time at
which this Reduced period will end.
lUse the “+” and “-“ keys to adjust the time
at which this Reduced period will end. The
segments in the programme information bar
will populate to show the Comfort period.
lPress the “OK” key to confirm the time
at which the mode will change over from
Reduced to Comfort. The symbol will start
to blink instead of the symbol, signifying
the start of this Comfort period.
Comfort to Reduced. The symbol will start
to blink instead of the symbol, signifying
the start of this Reduced period.
lIf more than two Comfort periods are
required, repeat the previous steps.
lPress the “OK” key to confirm the time
at which the mode will change over from
8.7 Defining a User Programme (cont...)
13RIORIO12
lIf a different programme is to be defined for
the next day, press the “+” or “-” key until the
word “no” is displayed. Press the “OK” key to
confirm.
lThe day number will increment to the
next day and the time will be set back
to “00:00”.
lWhen all of the days have been defined, the
word “SAVE”will be displayed. To save the
programme, press the “OK” key to confirm.
lIf the programme is not to be saved, so that
any previously user defined programme is
not overwritten, press the left “” arrow key.
The screen will revert back to the Programme
Selection screen.
lWhen all Comfort periods have been defined,
use the “+” key to advance beyond the time
“23:30”. The above screen
will then be shown, asking if the programme
that has just been defined for that day is to be
copied to the next day.
lTo copy the programme onto the next day,
press the “OK” key. Press the “OK” key for
any further days the programme is to be
copied over to.

8.8 Timed Override Mode
8.9 Power Settings
To set the power of the front
heating panel choose between:
When considering the permanent use of the
radiator at 60°C or 75°C maximum, the correction
factor from the table (right) should be applied for
the output.
E.g. A 1000 Watt single panel programmed for a
maximum surface temperature of 75°C will deliver
maximum 700 Watts. A 1000 Watt double panel
programmed for a maximum surface temperature
of 60°C will deliver maximum 800 Watts. These
values should be considered when selecting the
number and type of panels to cover the calculated
heatlosses.
8.10 Sensor
Please Note: The thermostat sensor is located
at the bottom of the radiator and will only
read the room temperature and not the actual
temperature from the radiator.
1 ~60°C Max ~0.55 ~0.80
2 ~75°C Max ~0.70 ~0.90
3 ~90°C Max 1 1
Setting*
Surface
Temperature
Single
Panel
Double
Panel
*Please refer to Section 7.1 Display, point 2 as to where this
will be shown on the display.
9.0 Key Lock Function
Use this function to prevent any
changes of the settings (in a childs
room, public area…etc.).
lTo activate the Key Lock function, first
press and maintain the validation key (OK)
and then press simultaneously on the left
(<) and right (>) key.
lThe logo will be displayed on the screen.
lRepeat the same procedure to unlock the
keyboard.
Note: The Key Lock function is
available in all operating modes.
The Timer mode allows the set
temperature and heating period to be
adjusted for a specific time.
This function should only be used to override the
programmed settings.
lFirst adjust the desired setting temperature
with (+) or (-). Press (OK) to start the function
(default value 19.0°C).
lThen, adjust the duration in hours “H” if
below 24H, then in day “D” with (+) or
(-). Press (OK) to validate (adjustable
1 Hour to 44 days).
The logo will blink and the number of hours /
days left is displayed until the end of the period.
To stop the Timer function before the
end, set the duration period to “no” with
the (-) key.
15RIORIO14
The radiator is equipped with a
“window open” function. This function
will switch the radiator from any active
mode to “Frost Protection” mode when an open
window is detected (room temperature drops
within a certain time). The window open icon will
start to blink and continue to blink as long as
the function is active. To return to the previous
or automatic mode push the “OK” key twice. If
the radiator detects that the window has been
closed (room temperature increases within a
certain time), it will return automatically to the
previous or automatic operation mode.
10.0 Window Open Function
11.0 Parameter’s Menu
Your thermostat has a parameter’s menu.
In order to enter this menu, press and
hold the validation key (OK) for 6 seconds
until , in section 3 of the LCD display, and ‘rFi’
is displayed on the screen. Then the parameter
menu will appear and the first menu screen will
be displayed (see opposite).
Parameters can be selected using the navigation
keys (<) or (>). Once the parameter is chosen,
toggle the value with the (OK) key, modify it with
(+) or (-) and confirm your adjustment with (OK).
To leave the parameter menu, choose the
parameter “ End “ and press (OK).
N° Default value & other possibilities
01 dEG : Type of Degrees Displayed
Press “OK” to enter this parameter. Select with “+” or “-” and confirm by pressing the
“OK” key:
°C = Celsius
°F = Fahrenheit
00 rF i: Wireless Radio Initialization (pairing)
Not used and has no effect to functionality.

N° Default value & other possibilities
02 XX.X : Calibration of the Internal Probe
The calibration must be done after 1 day working with the same setting temperature in
accordance with the following description:
Put a thermometer in the room at 1.5m distance from the floor (like the thermostat) and
check the real temperature in the room after 1 hour.
When you enter the calibration parameter screen the actual temperature value is
displayed.
To enter the value shown on the thermometer, use the “-“ or “+” keys to enter the real
value. At this point the hand icon, in section 12 of the LCD display, will be
displayed and the value will blink. Press the “OK” key to confirm and save. If you need
to erase a calibration already saved use the “-“ or “+” keys to alter the value,
even just by 1°C , then press the left “” navigation key. The hand symbol will
disappear and the factory calibrated temperature reading will be displayed.
NOTE: Only the heating elements (including slave radiators) managed by the
thermostat must be used during the calibration process. Do not have a secondary
heat source in the same room for a period of 24 hours before hand.
11.0 Parameter’s Menu (cont...)11.0 Parameter’s Menu (cont...)
17RIORIO16
03 SrC : Sequential Control of Front and Back Panel
NOTE: This feature is only applicable to double panel radiators.
Press “OK” to enter this parameter. Select with “+” or “-”and confirm by pressing the
“OK” key:
no: Sequential control function disabled (Front=Back).
YES: Sequential control function enabled. Heat output is prioritised to the front panel to
maximise radiant heat. Thus, the “back” heating element will activate if the
temperature is one degree below the set point, acting as a booster.
NOTE: The rear panel temperature can be considerably lower than the front panel
when this function is enabled.
04 Software Version
Displays the software version of the digital thermostat.
N° Default value & other possibilities
06 ItCS : Adaptive Start
Press the “OK” key to enter this parameter. Select with “+” or “-” and confirm by
opressing the “OK” key:
no: adaptive start function disabled. Heating up to reach the Comfort set temperature
will start at the programmed time.
YES: adaptive start function enabled. Heating up will start at the predicted optimal time
to reach the Comfort set temperature at the programmed time.
NOTE: Heating start times will vary for each heating period when this function
is enabled.
07 SLA : Master/Slave Set-up
Set this function to ‘no’ for normal operation.
05 Wind : Open Window Detection
(the text “U
–ind” is displayed)
Press the “OK” key to enter this parameter. Select with “+” or “-” and confirm by
opressing the “OK” key:
no: open window detection function disabled.
YES: open window detection function enabled. The , in section 13 of the LCD
display, is constantly displayed. This function will switch the radiator from any active
mode to “Frost Protection” mode when an open window is detected (room
temperature drops within a certain time). The open window icon will start to blink,
and continue to blink as long as the function is active.
To return to the previous or automatic mode, press the “OK” key twice. If the
radiator detects that the window has been closed (room temperature increases
within a certain time), it will return automatically to the previous or automatic
operation mode.

N° Default value & other possibilities
11.0 Parameter’s Menu (cont...) 12.0 Technical Characteristics
19RIORIO18
08 CLr : Factory Setting
Press and hold the “OK” key for 6 seconds to reset Set point temperatures and all user
parameters in this menu to factory default settings.
The screen will go blank, the LCD screen will illuminate and all segments will be
displayed for a few seconds, then disappear, before displaying the software version.
The “Comfort” mode screen will appear.
09
10
hour: TIME SETTING
Press the “OK” key to enter this parameter.
NOTE: If power is lost, from a power cut or the product is switched off, even just
for a few seconds, the time and day setting will be lost.
• The hour value will blink. Adjust the hour value by pressing the “+” or “-” keys,
then confirm by pressing the “OK” key.
• The minute value will blink. Adjust the minute value by pressing the “+” or “-”
keys, then confirm by pressing the “OK” key.
• The day values, in section 10 of the LCD display, will blink. Adjust the day value
by pressing the “+” or “-” keys, then confirm by pressing the “OK” key.
• The “Comfort” mode or previously selected operating mode screen will appear.
NOTE: If the time is not set within 60 seconds, the “Comfort” mode screen will appear.
End : Exit the Parameter Menu
Press the “OK” key to exit installation parameter menu and return to
normal operation.
Environmental:
Operating temperature
Shipping and storage temperature
Electrical protection
Impact protection
Setting temperature range:
Comfort
Reduced
Frost Protection
Power Supply
Norms and directives:
Your thermostat was designed in
accordance with the following European
norms and directives:
-10°C - +50°C
-30°C to +70°C
Class 1 - IP44
IK08
Between 5.5°C and 30.0°C, must be
higher than reduced mode setting
Between 5.0°C and 19.0°C, must be
less than comfort mode setting
Between 5.0°C and 10.0°C
230VAC - 50Hz
ECO Directive 2009/125/EC
2014/35/EU - Low Voltage
2014/35/EU - EMC
EN60335-1 - Heaters
RED 2014/35/EU - RF
2011/65/EU - RoHS

13.0 Radiator Connected to the TOUCH4 Programmer 13.0 Radiator Connected to the TOUCH4 Programmer (cont...)
N L
N
LOAD L LOAD
N L
N
LOAD L LOAD
230V 50Hz SUPPLY
NEUTRAL LIVE EARTH
G/Y
BRBL
BL BR
G/Y
BK
Fused Spur
Electric
Radiator
Cable
Terminal
Block
Mark switched live
pilot wire with brown
insulation tape
Mark switched live
pilot wire with brown
insulation tape EARTH
BK
BK
Fused Spur
PILOT WIRE FROM
PROGRAMMER
(switched live)
G/Y
Figure 7.
Wire Colours
BR = Brown
BK = Black
BL = Blue
G/Y = Green/Yellow
21RIORIO20
13 1
8
3
5
6
7
4
11
12
10
9
When connected to the TOUCH4 (figure
7), the RIO must be in AUTO mode and on
Programme d1 .
lA suitable means of local isolation of the
radiator from both the electrical supply and
the pilot wire signal must be provided.
lThe fused spurs must be clearly marked to
indicatethattwosources ofelectrical supply
may be present.
lA maximum of 10 radiators can be
connected to each zone/channel of the
TOUCH4
AUTOMATIC MODE
BRBL
G/Y
Wire Colours
BR = Brown
BL
= Blue
G/Y
= Green/Yellow
BK
= Black
Zone 2 Zone 1
G/Y
BLBR
BK
Zone 4 Zone 3
Live
Neutral
BR
BL
G/Y
G/Y
BLBR
BK
G/Y
BLBR
BK
G/Y
BLBR
BK
NLCH4 CH3 CH2 CH1
Touch 4
BRBL
G/Y
Other products in Zone 1
Other products in Zone 2
Other products in Zone 3
Other products in Zone 4
F
U
S
E
ON
F
U
S
E
ON
F
U
S
E
F
U
S
E
F
U
S
E
F
U
S
E
F
U
S
E
F
U
S
E
F
U
S
E
ON ON
ON
ON
ON ON
ON
The outputs from the programmer are swiched Live.
A suitable means of local isolation of the
radiator from both the electrical supply and the
pilot wire signal must be provided.
The fused spurs must be clearly marked to indicate that two
sources of electrical supply may be present.
2
BRBL
G/Y
Wire Colours
BR = Brown
BL
= Blue
G/Y
= Green/Yellow
BK
= Black
Zone 2 Zone 1
G/Y
BLBR
BK
Zone 4 Zone 3
Live
Neutral
BR
BL
G/Y
G/Y
BLBR
BK
G/Y
BLBR
BK
G/Y
BLBR
BK
NLCH4 CH3 CH2 CH1
Touch 4
BRBL
G/Y
Other products in Zone 1
Other products in Zone 2
Other products in Zone 3
Other products in Zone 4
F
U
S
E
ON
F
U
S
E
ON
F
U
S
E
F
U
S
E
F
U
S
E
F
U
S
E
F
U
S
E
F
U
S
E
F
U
S
E
ON ON
ON
ON
ON ON
ON
The outputs from the programmer are swiched Live.
A suitable means of local isolation of the
radiator from both the electrical supply and the
pilot wire signal must be provided.
The fused spurs must be clearly marked to indicate that two
sources of electrical supply may be present.

14.0 Troubleshooting & Solution
Q: My Thermostat shows an Error message “Err” blink on the display.
The text “Err” flashes.
Error detected on the internal sensor.
lContact your installer or seller.
A:
Q: My Thermostat seems to work correctly but the heating doesn’t work correctly.
lIs there a window open next to the radiator that is not heating?
Check the settings in Parameter 05 (on page 17).
lContact your installer.
A:
Q: The radiator is heating but the reduced mode is showing.
lThe adaptive start function may be in effect, check as this is the default setting.
Check Parameter 06 (on page 17).
A:
Q: The front heating panel is cooler than the back panel.
lCheck the power settings as indicated in section 8.9 (on page 14).
A:
Q: My Thermostat seems to work correctly but the temperature in the room
is not in accordance with the programme.
lCheck the Clock.
lThe difference between Comfort & Reduced temperature is too high.
lProceed with a calibration of internal probe (see Parameter 02 on page 16).
A:
15.0 Preset Programmes
23RIORIO22
Q: My RIO is connected to the TOUCH4 Programmer but is not heating.
Temperature set point is fine.
lCheck your thermostat is set to AUTO and is in Programme d1.
A:
Q: The front heating panel is hotter than the back panel.
lCheck the sequential control as indicated in Parameter 03 (on page 16).
A:

16.0 Eco Directive Characteristics 16.0 Eco Directive Characteristics (cont...)
25RIORIO24
Model identifier(s): where “RIOxxxxxxx” may be any character.
Item Symbol Value Unit
Heat Output
Nominal heat output where “xxxxxx” = 30DX50 or
50DX40 Pnom 0.50 kW
Nominal heat output where “xxxxxx” = 30DX80 or
50DX50 Pnom 0.75 kW
Nominal heat output where “xxxxxx” = 30DX100 or
50DX65 Pnom 1.00 kW
Nominal heat output where “xxxxxx” = 30DX130 or
50DX80 Pnom 1.25 kW
Nominal heat output where “xxxxxx” = 30DX160 or
50DX95 Pnom 1.50 kW
Nominal heat output where “xxxxxx” = 30DX200 or
50DX125 Pnom 2.00 kW
Minimum heat output (indicative) Pmin N.A. kW
Nominal heat output where “xxxxxx” = 30DX50 or
50DX40 Pmax,c 0.50 kW
Nominal heat output where “xxxxxx” = 30DX80 or
50DX50 Pmax,c 0.75 kW
Nominal heat output where “xxxxxx” = 30DX100 or
50DX65 Pmax,c 1.00 kW
Nominal heat output where “xxxxxx” = 30DX130 or
50DX80 Pmax,c 0.25 kW
Nominal heat output where “xxxxxx” = 30DX160 or
50DX95 Pmax,c 1.50 kW
Nominal heat output where “xxxxxx” = 30DX200 or
50DX125 Pmax,c 2.00 kW
Auxiliary electricity consumption
At nominal heat output eImax 0.00 kW
At minimum heat output eImin N.A. kW
In standby mode eISB <0.001 kW
Item Unit
Type of heat input, for electric storage local space
heaters only
Manual heat charge control with integrated thermostat N.A.
Manual heat charge control with room and/or outdoor
temperature feedback N.A.
Electronic heat charge control with room and/or outdoor
temperature feedback N.A.
Fan assisted heat output N.A.
Type of heat output/room temperature control
Single stage heat output and no room temperature control No
Two or more manual stages, no room temperature control No
With mechanic thermostat room temperature control No
With electronic room temperature control No
Electronic room temperature control plus day timer No
Electronic room temperature control plus week timer Yes
Other control options
Room temperature control, with presence detection No
Room temperature control, with open window detection Yes
With distance control option No
With adaptive start control Yes
With working time limitation No
With black bulb sensor No
Contact details MYSON Purmo Group (UK) Ltd., Eastern Avenue, Team Valley, Gateshead, Tyne & Wear NE11 0PG, UK
T: 0845 402 3434, F: 0191 491 7568, [email protected], www.myson.co.uk

27RIORIO26
Notes