harmoni 50 User manual

installation guide
installation guide
electronic intelligent timer thermostat
www.harmonithermostat.co.uk

2
installation guide
Contents
Page
1 Introduction ....................................................... 3
  4ECHNICALSPECIlCATIONS 
1.2 Safety Instructions ...................................... 7
2 Mounting Instructions ...................................... 8
3 Settings ............................................................. 12
3.1 Initial settings .............................................. 12
3.2 Forecast ...................................................... 16
3.3 Window open .............................................. 18
  -AXIMUMmOORTEMPERATURE
3.5 Enable/Disable timer .................................. 23
4 Symbols ............................................................. 24
5 Disposal Information ........................................ 25
6 Warranty ............................................................ 25
More information on this product can be found at:
www.harmonithermostat.co.uk

3
harmoni 50
Introduction 1
harmoni 50 is an electronic programmable timer
THERMOSTATUSEDFORCONTROLLINGELECTRICALUNDERmOOR
heating elements.
4HETHERMOSTATISDESIGNEDFORlXEDINSTALLATIONONLY)T
can be used for both direct heating of the entire room
ANDFORCOMFORTHEATINGOFTHEmOOR
Listed below are some of the thermostat’s main
features:
hA touchscreen display with backlight.
hEasy-to-follow menu-driven programming and
operation.
h!NINSTALLATIONWIZARDWITHROOMmOORTYPESPECIlC
set-up.
hSupport for multiple frame systems.
hCompatible with numerous 3rd party NTC sensors.
hSettings can be copied from one thermostat to
another/others using a single generated code.

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installation guide
4ECHNICAL3PECIlCATIONS 
Operation voltage 220–240 V~
Standby power consumption Max. 0.40 W
Relay:
Resistance load
Inductive load
Max. 16 A / 3680 W @ 230 V
cos ij= 0.3 Max. 1 A
Sensing units NTC 6.8 kOhm at 25°C
NTC 10 kOhm at 25°C
NTC 12 kOhm at 25°C
NTC 15 kOhm at 25°C (default)
NTC 33 kOhm at 25°C
NTC 47 kOhm at 25°C
Sensing values: (default NTC
15 K)
0°C
20°C
50°C
42 kOhm
18 kOhm
6 kOhm
Control PWM (Pulse Wide Modulation)
Ambient temperature 0° to +30°C
Frost protection temperature 5°C to +9°C (default 5°C)

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harmoni 50
Temperature range Room temperature 5–35°C.
Floor temperature 5–45°C.
-AXmOORn#IF
unrecoverable seal is broken
then up to 45°C).
-INmOORn#ONLYWITH
COMBINATIONOFROOMANDmOOR
sensor.
Sensor failure monitoring The thermostat has a built-in
MONITORINGCIRCUITWHICHWILL
switch off the heating if the
sensor is disconnected or short-
circuited.
#ABLESPECIlCATIONMAX 1×4mm² or 2×2.5mm²
Ball pressure test temperature 75°C
Pollution degree 2 (domestic use)
Controller type 1C
Software class A
Storage temperature -20°C to +65°C
IP class 21

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installation guide
Protection class Class II –
Dimensions 85×85×20–24mm (in-wall
depth: 22mm)
Weight 103g
4ECHNICAL3PECIlCATIONS 
Electrical safety and electro-magnetic compatibility
for this product is covered by the compliance with
the EN/IEC Standard, Automatic electrical controls for
household and similar use:
hEN/IEC 60730-1 (general)
h%.)%#THERMOSTAT

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harmoni 50
Safety Instructions 1.2
-AKESURETHEMAINSSUPPLYTOTHETHERMOSTATISTURNED
off before installation.
Important: When the thermostat is used to control a
mOORHEATINGELEMENTINCONNECTIONWITHAWOODEN
mOORORSIMILARMATERIALALWAYSUSEAmOORSENSOR
ANDNEVERSETTHEMAXIMUMmOORTEMPERATURETO
more than 35°C.
Please also note the following:
hThe installation of the thermostat must be done by
ANAUTHORISEDANDQUALIlEDINSTALLERACCORDINGTO
local regulations.
hThe thermostat must be connected to a power
supply via an all-pole disconnection switch.
hAlways connect the thermostat to continuous power
supply.
h$ONOTEXPOSETHETHERMOSTATTOMOISTUREWATER
DUSTANDEXCESSIVEHEAT

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installation guide
Mounting Instructions 2
Please observe the placement guidelines below.
Place the thermostat at a suitable height on
THEWALLTYPICALLYnCMFROMTHEmOOR
The thermostat should not be placed in
wet rooms, place it in an adjacent room
instead. When installing the thermostat
OUTSIDETHEROOMITSHOULDBEIN@mOOR
sensor only’ mode. Always place the
thermostat according to local regulations
on IP classes.
Do not place the thermostat on the inner
SIDEOFANEXTERIORWALL
Always install the thermostat at least 50cm
from windows and doors.

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harmoni 50
Do not place the thermostat in a place that
ISEXPOSEDTODIRECTSUNLIGHT
Important: !mOORSENSORENABLESA
more accurate temperature control and
ISRECOMMENDEDINALLmOORHEATING
applications and is compulsory under
WOODENmOORSTOREDUCETHERISKOF
OVERHEATINGTHEmOOR
h0LACETHEmOORSENSORINACONDUITINANAPPROPRIATE
PLACEWHEREITISNOTEXPOSEDTOSUNLIGHTORDRAFT
from door openings.
hEqually distant and >2cm from two heating cables.
h4HECONDUITSHOULDBEmUSHWITHTHEmOORSURFACE
countersink the conduit if necessary.
h2OUTETHECONDUITTOTHECONNECTIONBOX
hThe bending radius of the conduit must be a
minimum of 50mm.

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installation guide
Mounting Instructions 2
Follow the steps below to mount the thermostat.
1. Open the thermostat.
Important: Do NOT press on the display screen
when removing the front part.
 0RESSYOURlNGERSUNDERTHESIDEOFTHEFRONTPART
and gently pull it away.
2. Connect the thermostat
according to the
connection diagram.
The screen of the heating
cable must be connected
to the earth conductor of
the power supply cable
by using a separate connector.
harmoni Standby maximum 0.4W
NT NLNL C
Maximum
Load 16 (1) A
Mains
220-240V–
50-60 Hz
Sensor
L
O
A
D
L
O
A
D
IP21
T30

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harmoni 50
Important: !LWAYSINSTALLTHEmOORSENSORIN
 ACONDUITINTHEmOOR
3.-OUNTANDREASSEMBLETHETHERMOSTAT
h&IXTHETHERMOSTATTOA
SOCKETORANEXTERIORWALL
BOXUSINGTHESCREWHOLESIN
each side of the thermostat.
hReattach the frame.
hClick the display module
back in place.
Important: Do NOT press on the display
screen when clicking the display module back
in place.
Initially, fully charge the thermostat battery using the
mains supply for 15 hours. The current time and day
ISTHENKEPTFORHOURSIFMAINSSUPPLYISSWITCHED
off. All other settings are stored permanently.

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installation guide
Settings 3
Initial Settings 3.1
)NITIALSETTINGSMUSTBESPECIÚEDWHENTHEUNITIS
ACTIVATEDFORTHEÚRSTTIME
1. LANGUAGE. The language
is set to English by default.
2. SET TIME.Press the hour
numbers using the <and >
arrows to set the hour.
Press TOCONlRM
3. Press the minute numbers
using the <and >arrows to
set the minutes. Press to
 CONlRM0RESS again
to go to the SET DATE
screen.
SET TIME
14:56
LANGUAGE
English

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harmoni 50
4. Press the day, month and
year to set the date using
the <and >arrows, pressing
to confirm. When the date
is correct, press on the
SET DATESCREENTOCONlRM
5. Press SETUP WIZARD and
go to Step 6 on page 14.
Have you already set up
another thermostat?
If you have already
set one
thermostat, you can easily
copy the same settings to
another one (or more). Go to
the original thermostat and
press
SETTINGS. Press INFO
then
READ OUT. Write down
the generated code then go
directly to Step 13 on page 16.
SET DATE
31:01:12
READ OUT
10B1-0F57-A845-41FE
TIME/DATE SETTINGS
TIMER AWAY
12:52
16.10.13
INSTALLATION
SETUP WIZARD


installation guide
6. On the SETUP information
screen press to start.
7. CONTROL.Use the <and >
arrows to select whether
only a floor sensor or a
combination of room and
floor sensors should be
used. Press TOCONlRM
Note: A ‘room only’ option
may also be available.
See Maximum Floor
Temperature on page 20.
8. SENSOR TYPE.Use the
<and >arrows to select the
installed floor sensor type
(measured resistance &
corresponding temperature
are shown in brackets).
Press TOCONlRM
SENSOR TYPE
3/7
15K STANDARD
14.5kΩ 25.18°)
SETUP
1/7
Initial Settings 3.1
WALK
THROUGH THE
FOLLOWING
STEPS.
CONTROL
2/7
ROOM +
FLOOR

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harmoni 50
9. FLOORING. Use the
<and >arrows to select the
flooring type. Press to
 CONlRM
10. ROOM TYPE. Use the
<and >arrows to select the
room type. Press to
 CONlRM
11. OUTPUT [W]. Use the
<and >arrows to set the
 APPROXIMATELOADOFTHE
heating element. If an
 EXTERNALRELAYISUSEDORTHE
installed output is unknown,
select the ‘--’ option.
Press
TOCONlRM
Note: P
ress for more
information about the
selected function.
FLOORING
4/7
TILES
OUTPUT [W]
6/7
450
ROOM TYPE
5/7
BATHROOM

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installation guide
Initial Settings 3.1
12. TIMER. Use the <and >
arrows to select whether the
timer should be activated or
not. Press
TOCONlRMAND
end the initial thermostat
setup. Skip Step 13
.
If you already have one
thermostat set up.
13. Press SETTINGS then
INSTALLATION. Press
ENTER CODE.
Key in your generated code
(no spaces or hyphens).
Press
to end the initial
thermostat setup. If no
check
mark ( ) appears,
the generated code is
incorrect.
TIMER
7/7
OFF
ENTER CODE
0 1 2 3 4 5
6 7 8 9 a b
c d e f clr del
Note: Go to page 13
for details on where
TOlNDTHEGENERATED
code.

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harmoni 50
Forecast 3.2
When Forecast is turned on, heating will start earlier so
THEREQUIREDTEMPERATUREISREACHEDATTHESPECIlEDTIME
&OREXAMPLEIFYOURCOMFORTTEMPERATUREISSETTO#
and the timer is set to 6am, the temperature will be
22°C at 6am. However, if Forecast is switched off, heating
won’t start until 6am and will take a while to reach 22°C.
The Forecast feature also optimises heating stop when
switching from comfort to economy temperature.
How to turn the Forecast feature on and off.
21.5
menu
1. Touch the thermostat
display to activate it,
then press menu.
2. Press SETTINGS in the
bottom right corner of the
menu. Press OPTIONS.
TIME/DATE SETTINGS
TIMER AWAY
12:52
16.10.13

18
installation guide
3. Press FORECAST.
4. Press ON to optimise
heating start/stop.
Or press OFF to simply let
the heating start/stop at
the specified time.
Press
TOCONlRM
Note: To return to the normal temperature display,
press the back arrow ( ) in the upper left corner
of the screen until you get to the main menu. Press
the home ( ) symbol in the middle of the screen.
Forecast 3.2
FORECAST
ON / OFF
OPTIONS
SAFETY LOCK
FORECAST
DIM LEVEL
FORECAST TIMER AWAY

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harmoni 50
How to turn ‘window open
detection’ on or off.
1.
Touch the thermostat display
to activate it. Press menu.
2. Press SETTINGS in the
bottom right corner of the
menu. Press OPTIONS.
3. Press WINDOW OPEN.
Press ON to temporarily
turn off heating in case of
a sudden temperature drop
in the room or OFF to let
the thermostat heat up, also
during sudden temperature
drops in the room. Press
 TOCONlRM
Note: To return to the
normal temperature display,
see note on page 18.
21.5
menu
TIME/DATE SETTINGS
TIMER AWAY
12:52
16.10.13
Window Open 3.3
WINDOW
ON / OFF

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installation guide
How to set the maximum
ÛOORTEMPERATURE
1.
Touch the thermostat display
to activate it. Press menu.
2. Press SETTINGS in the
bottom right corner of
the menu. Press
INSTALLATIONS and
MANUAL SETUP.
3. Press MAX. FLOOR.
Use the <and >arrows
to set the allowed
 MAXIMUMFLOORTEMPERATURE
Press TOCONlRM
Note: To return to the
normal temperature display,
see note on page 18.
-AXIMUM&LOOR4EMPERATURE
21.5
menu
MAX. FLOOR
35.0
TIME/DATE SETTINGS
TIMER AWAY
12:52
16.10.13