RDZ TIG 14 User manual

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- ENGLISH - THW01B0001RX 030681 110918
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TIG 14 - BATTERY POWERED WEEKLY DIGITAL PROGRAMMABLE THERMO-HYGROSTAT
GENERALITIES
This device is a battery powered weekly digital programmable thermo-
hygrostat for the control of room temperature and relative humidity on
three levels: Comfort, Economy or Off / Antifreeze. The device can be
used in heating and cooling plants.
The programmable thermo-hygrostat has a large backlit LCD display
for all functional indications, the program schedule set, the room
temperature reading, the relative humidity reading, or, as desired, the
actual time.
Allows to set up to 7 different programs, one for each day of the
week, with a minimum intervention time of 1/2 hour over 24 hours.
In addition, the device offers the possibility of setting the Antifreeze
temperature value, dew point control and sensor Offset value
adjustment.
DESCRIPTION OF CONTROLS
Fig. 1
FGH
I
B
A
C
D
E
LEGEND
AButton with double function:
- In normal operation: activates the function 24 hours Manual /
Permanent Manual / Automatic.
- In schedule programming: sets the regulation temperature into
Economy mode.
BButton with double function:
- In normal operation: turns on and off the programmable thermo-
hygrostat.
- In schedule programming: sets the regulation temperature into
Off / Antifreeze mode.
CButton with triple function:
- In normal operation: displays current time or temperature.
- In schedule programming: sets the regulation temperature into
Comfort mode.
- In ‘Set-Point temperatures settings’, shows either the Comfort or
the Economy temperature
D Changes the setpoint temperature and the conguration
parameters (increasing the value).
E Changes the setpoint temperature and the conguration
parameters (decreasing the value).
FGives access to the user parameters list.
GButton with double function:
- In normal operation updates the values sampled by the
thermostat.
- In ‘User parameters settings’, enables the selected parameter
modicationandconrmsthemodiedvalue.
H Screwholeforxingtheprogrammablethermo-hygrostatbodyto
the wall mount plate
IBattery compartment
DISPLAY SYMBOLS
Inthefollowingisexplainedthemeaningofsomesymbolswhichmay
appear on the display:
Battery status indication.
Flashing:
Batteries discharged; replace batteries.
Temperature regulation in Comfort mode.
Temperature regulation in Economy mode.
Temperature regulation in Off / Antifreeze mode.
Chronostat off: antifreeze function active, the display shows
‘OFF’.
Heating mode enabled.
Cooling mode enabled.
Activationinde-humidicationorhumidication.
24h
Temperature regulation in Comfort mode for 24 hours.
24h
Permanent temperature regulation in Comfort mode.
P
Fixed: shows access to the user parameters
Flashing: means that the selected user parameter can be
modied
Flashing:
Cleaning program active (the remaining time is shown on the
display).
Flashing:
Vacation program active (the remaining time is shown on the
display).
Fixed:
Indicates that the telephone interface is active.
Flashing:
Indicates that the remote command received by the
telephone interface has been overridden by another local
request through the chronostat buttons.
Fixed:
The temperature shown on the display is the one measured by
the internal sensor, yet the temperature regulation takes place
according to the remote sensor.
Flashing:
Both temperature shown and room temperature regulation refer
to the internal sensor.
Fixed:
The temperature shown on the display is the one measured by the
remote sensor, yet the temperature regulation takes place according
to the internal sensor.
Flashing:
Both temperature shown and room temperature regulation refer to
the remote sensor.
STARTING UP
Whenstartingupforthersttime:
- Insert the batteries observing the polarity markings shown
in the battery compartment (see ‘INSERTION / BATTERIES
REPLACEMENT’). (batteries are not included as standard)
- Set the time and day of the current week.
- Set the operating mode of the thermostat (user parameter ‘C-H’):
Heating (factory set) or Cooling.
Setting the current time and day
To set the clock of the programmable thermo-hygrostat carry out the
following steps:
1.Opentheapofthebatterycompartment.
2. Keep the ‘OK’ button pressed for at least 2 seconds; the hour digits
willstartashing.
3. Set the hour using buttons ‘ ’ and ‘ ’.
4.Conrmbypressing‘OK’;theminutedigitswillstartashing.
5. Set the minutes using buttons ‘ ’ and ‘ ’.
6.Conrm with ‘OK’; the display shows the word ’dAY’ and the
squaresymbolcorrespondingtothecurrentdayashes.
7. Set the current day of the week using buttons ‘ ’ and ‘ ’
(the current day is highlighted by a box surrounding the number
corresponding to the day of the week, 1 Monday .. 7 Sunday )
8.Conrmbypressing‘OK’; the output of the time and day setting is
automatic.
Time/Temperature/Humidity Display
By repeatedly pressing the ‘ ‘ the display can alternately show the
actual time, the room temperature (in °C) read by the internal sensor,
distinguished by the ‘ ‘ icon, the room temperature (in °C) read by
the remote probe (if connected) distinguished by the ‘ ‘ icon and the
room humidity (in %RH) read by the internal sensor, distinguished by
the ‘ ‘ icon. The temperature and humidity readings are displayed
corrected by the Offset value set.
Note:
If the ‘ rEG ’ parameter is set at ‘ In ‘, but an error is detected on the
internal sensor, the display will show ‘ SEnS E xx ’. In this situation
the adjustment will be automatically interrupted and both relays will
be placed in the Normally Open position.
If the ‘ rEG ’ parameter has been set at ‘ Out ‘ but the remote
probe has not been connected or is damaged, the display will show
the respective wording ‘ SEnS OPEN ‘ or ‘ SEnS SHrt ‘ with the
‘ ‘ icon on.
ATTENTION: In order to optimise battery duration, the
programmable thermo-hygrostat performs sensor readings
and error controls every 3 minutes or when ‘Ok’ is pressed and
consequently, decides on activation or deactivation of the relay.
Any error message must disappear within 3 minutes or on
pressing the ‘Ok’ key. If the message does not disappear then
problems have been detected on the sensors.
Comfort and Economy temperatures/humidity adjustment
During normal operation, the display shows the room temperature
and humidity reading and the icon relative to the current setting mode
‘ ‘ or ‘ ‘.
The programmable thermo-hygrostat reads the room temperature
fromtheinternalorexternalsensor(dependingonthesettingmadein
the ‘ rEG ’ parameter), while the humidity is only read on the internal
sensor.
Theashing‘ ‘ icon indicates that the adjustment (temperature or
humidity)takesplaceonaninternalsensor,whiletheashing‘ ‘
icon indicates that the adjustment (temperature only) takes place on
the remote probe.
Activation of the relay that controls the room humidity management
system is indicated on the display by switch-on of the ‘ ‘ icon.
The activation of the relay that controls the room heating/cooling
management system is indicated on the display by the switch-on of
the ‘ ’ icon for heating and the ‘ ’ icon for cooling.
Proceed as follows to adjust:
- Display the actual time.
- Press the ‘ ’ or ‘ ’ key once: the display shows the comfort
temperature set (distinguished by ‘ ‘ icon) and the ‘ SET °C ’ icon
(indicating that the setpoint temperature is being displayed).
- Press the ‘ ’ and ‘ ’ keys to modify the setpoint temperature
displayed.
- Press the ‘ ‘ key, the display shows the economy temperature
set (distinguished by the ‘ ‘ icon and the ‘ SET °C ’ icon (indicating
that the setpoint temperature is being displayed).
- Press the ‘ ’ and ‘ ’ keys to modify the setpoint temperature
displayed.
- Press the ‘ ‘ key, the display shows the comfort humidity set
(distinguished by the ‘ ‘ icon) and the ‘ SET %RH ’ icon (indicating
that the setpoint humidity is being displayed).
- Press the ‘ ’ and ‘ ’ keys to modify the setpoint humidity
displayed.
- Press the ‘ ‘ key, the display shows the economy humidity set
(distinguished by the ‘ ‘ icon) and the ‘SET %RH’ icon (indicating
that the setpoint humidity is being displayed).
- Press the ‘ ’ and ‘ ’ keys to modify the setpoint humidity
displayed.
- Press the ‘ ‘ key or after a few seconds of inactivity, the display
goes back to showing the room temperature, memorising the values
set.
Note: Normally, in order to have night -time adjustment, the
economy temperature/humidity must have a value lower than
the comfort value.
The programmable thermo-hygrostat will adjust the room temperature
in comfort or economy mode in agreement with the hourly program set
(see ‘ USER PARAMETER SETTING ‘ paragraph).
Dew point control
The dew point (managed in the user parameter ‘ C-dP ’), represents
the temperature below which condensate forms on the surfaces and
depends on the temperature and humidity present in the room.
ATTENTION
- The dew point control is only active if the ‘ C-dp ’ (Dew Point
control) parameter has been activated.
- The dew point control is only managed in cooling and/or
dehumidication mode.
- If the conditions listed above are true, on the basis of the dew
point, the cooler and dehumidier command will have priority
with respect to normal adjustment (i.e. with dew point control
disabled).
Thetableblow(table1)showsthedewpointvalue(expressedin°C),
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- ENGLISH - THW01B0001RX 030681 110918
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shows the word ‘ dAy ’, icon ‘
P
‘ and the square symbols
correspondingtothecurrentdayorgroupofashes.
2. Press buttons ‘ ’ and ‘ ’ to set the combination of days to be
programmed.
In the following the four available combinations are listed:
(Mo)
2nd combination
of days 7
234561
1st combination
of days 76
2345
1
2
3
4
5
6
7
1
4th combination
of days
(Schedule
Day by Day)
5671234
3rd combination
of days
(Fr(Th)(We)(To) (Su)(Sa)
Note: For each day combination, the time schedule set will be
the same for all days within each single group.
3. Press the ‘ OK‘buttontoconrmthesettingmade;thedisplaywill
show the schedule previously programmed for the set day or group
ofdaysandthetime00.00(cursorashingontheintervalbetween
00.00 and 00.30).
4. Set the operating mode.
To facilitate the programming operation, the thermostat is factory
preset with the following time intervals:
TIME INTERVALS PRESET
Comfort mode Economy mode
6.00 .. 8.00 8.00 .. 11.00
11.00 .. 13.00 13.00 .. 17.00
17.00 .. 23.00 23.00 .. 6.00
Alternatively, if the preset time interval doesn’t t the required
needs, you can change it manually as follows:
5. For every time interval (each dash corresponds to a half hour) set
the operating mode by pressing one of the following buttons:
Comfort mode: Press the ‘ ‘ button.
Off / Antifreeze: Press the ‘ ‘ button.
Economy mode: Press the ‘ ‘ button.
Moving the time cursor: Press button ‘ ’ or ‘ ‘.
Conferma
Riduzione
Spento
Comfort
Each time the button which sets the regulation mode is depressed,
thetimecursorautomaticallyjumpsintothenexthalfhour.
6. After programming the schedule for the day or group of days
selected, press the ‘ OK ’ button.
 The display will show the program schedule for the next day or
groups of days until the whole week is covered.
7. After programming the schedule for the entire week, press the ‘ OK
’ button. The programmable thermo-hygrostat will memorize the
schedule set and the word ‘MEMO’ will appear on the display; the
devicewillautomaticallyexitthescheduleprogrammingmode.
WARNING
- If you want to reset the time intervals to factory settings,
please reach the user parameter ’ dFLt ’ (the default data); In
this case, all user parameters will be reset to factory settings.
- If you exit the time programming without pressing the ’ OK ’
button, or you do not save the settings, the time program will
NOT be saved in memory and the previous program will be
restored.
Changes are stored in memory only when the if you enable
this operation with the phase characterized by the word
’MEMO’.
‘ AFr ’ ANTIFREEZE SETTING
The Antifreeze function allows you to select a minimum temperature to
be maintained when the programmable thermo-hygrostat is off, so as to
protect both the room and the equipment when the room temperature
falls below the set value. The device leaves the factory with the
Antifreeze function set on 3°C.
IMPORTANT: the function is active only when the device has
been set in the heating mode.
To set the Antifreeze temperature, carry out the following steps:
1. Select the parameter ‘ AFr ’ and press the ‘ OK ’ button.
2. The display shows the Antifrost temperature previously set and the
‘
P
‘iconashes.
3. Press buttons ‘ ‘ and ‘ ‘ to change the setting (between OFF,
0.5°C..25°C); every change will be automatically memorized.
4. To return to the list of user parameters, press the ‘OK’ button.
5.Toexittheuserparameterssettingandresumenormaloperation,
press the ‘ ‘ button or wait 10 seconds without pressing any
key.
‘HYS’ SETTING THE HYSTERESIS
Settingthisparameterallowstodenethehysteresis,in°C,which
is applied to the programmable thermo-hygrostat to adjust the room
temperature (0.2 default).
To adjust the hysteresis perform the following steps:
1. Select the parameter ‘ HYS ’ and press ‘ OK ’.
2. The display shows the previously set temperature and the ‘
P
‘
iconashes.
3. Press the ‘ ‘ and ‘ ‘ to change the value (between
0.1 °C .. 5.0 °C); each change is automatically saved.
4. To return to the list of user parameters, press the ‘OK’ button.
5.Toexittheuserparametersettingsandresumenormaloperation,
press the ‘ ‘ button or wait 10 seconds without pressing any key.
‘ OPt ’ OPTIMIZATION SETTING
The optimization function consists in the option of turning on the
heating or cooling earlier than the scheduled time in order to reach the
set temperature by the scheduled time.
The programmable thermo-hygrostat calculates the time necessary
in order to reach the desired temperature and turns on the heating
in advance accordingly, by the amount of time necessary to achieve
the target.
The amount of time in advance may be 60 minutes at most and is
calculated based on the average gradient of the previous 24 hours.
To set the optimization function carry out the following steps:
1. Select the parameter ‘OPt’ and press the ‘OK’ button.
2. The display shows ‘on’ or ‘Off’ and the ‘
P
‘iconashes.
3. Press button ‘ ‘ to activate (On) or ‘ ‘ to deactivate (Off) the
function; every change will be automatically memorized.
4. To return to the list of user parameters, press the ‘OK’ button.
5.Toexittheuserparametersettingsandresumenormaloperation,
press the ‘ ‘ button or wait 10 seconds without pressing any key.
‘ OFS1 ’ INTERNAL SENSOR OFFSET SETTING
With this parameter it is possible to correct the temperature reading
of the internal sensor by ±5°C in order to correct any systematic
reading errors due to the positioning of the programmable thermo-
hygrostat in areas unsuitable for measuring the room temperature.
The device leaves the factory with the Offset set at 0.0°C.
To adjust the Offset value for the internal sensor, carry out the
following steps:
1. Select the ‘ OFS1 ’ parameter and press the ‘ OK ’ button.
2. The display shows the Offset temperature previously set and the
‘
P
‘iconashes.
3. Press buttons ‘ ‘ and ‘ ‘ to modify the setting (range:
-5.0°C .. +5.0°C); every change will be automatically stored
in memory.
4. To return to the list of user parameters, press the ‘OK’ button.
5.Toexittheuserparametersettingsandresumenormaloperation,
press the ‘ ‘ button or wait 10 seconds without pressing any key.
‘ OFS2 ’ REMOTE SENSOR OFFSET SETTING
With this parameter it is possible to correct the temperature reading of
the remote sensor by ±5°C in order to correct any systematic reading
errors due to the positioning of the remote sensor in areas unsuitable
for measuring the room temperature. The device leaves the factory
with the Offset set at 0.0°C.
To adjust the Offset value for the remote sensor, carry out the
following steps:
1. Select the ‘ OFS1 ’ parameter and press the ‘ OK ’ button.
2. The display shows the Offset temperature previously set and the
‘
P
‘iconashes.
3. Press buttons ‘ ‘ and ‘ ‘ to modify the setting (range:
-5.0°C .. +5.0°C); every change will be automatically stored
in memory.
4. To return to the list of user parameters, press the ‘OK’ button.
5.Toexittheuserparametersettingsandresumenormaloperation,
press the ‘ ‘ button or wait 10 seconds without pressing any key.
‘ rEG ’ REGULATION SENSOR CHOICE SETTING
This parameter sets whether the room temperature regulation is made
based on the programmable thermo-hygrostat internal sensor or the
remote sensor connected to the connector ‘ C‘ in Fig. 6.
Forthisparametersettingpleasendthesedirections:
1. Select parameter ‘ rEG ’ then press key ‘ OK ’
2. The display shows ‘In’ or ‘Out’ and the icon ‘
P
‘ashes.
3. Press keys ‘ ‘ and ‘ ‘ to change the value (In: internal sensor -
Out: remote sensor); each change is automatically stored in
memory.
4. To return to the list of user parameters, press the ‘OK’ button.
5.Toexittheuserparametersettingsandresumenormaloperation,
press the ‘ ‘ button or wait 10 seconds without pressing any key.
WARNING: When the regulation is set according to the remote
sensor ‘ Out ‘ and in case this sensor is missing or broken, the
temperature regulation will be performed according to the
internal sensor, even if the parameter remains set on ‘ Out ‘.
‘CLE’ SETTING CLEANING PROGRAM
This program is useful when the house is being cleaned and the
windows are opened thus making both the heating and cooling of the
premises unnecessary. In these conditions, the relays are blocked in
Off for two hours.
Note: Access to the cleaning program is NOT allowed when the
programmable thermostat is in ‘holiday mode’.
To activate the cleaning program, select the parameter ‘CLE’ and
press the ’OK’ button: the display shows the ‘ ‘iconashingand,
in place of the clock, the time remaining before returning to normal
operation is shown.
The device will go back to the previous operating mode after two
hours or if you press the ‘ ’ button again.
‘HOL’ SET HOLIDAY PROGRAM
If you intend to be away for a relatively long period it is advisable
dependingontheroomtemperatureandrelativehumidity,expressed
as ‘ %RH ’.
Table 1
Note: the dew point, highlighted in the table, refers to the
environmentalconditionsconsideredexcellentinthesummer:
Dew point = 16.3°C, with room temperature at 26.0°C and
room humidity equal to 55.0%RH.
ATTENTION
- Condensate will form on the surfaces with temperature lower
than or equal to that of the dew point calculated C-dP.
- The dew point is calculated automatically by the equipment when
environmental conditions change.
For all details see ‘ ‘ C-dP ’ DEW POINT MANAGEMENT ‘.
Safety Control Algorithm
The ‘ Safety Control ‘ algorithm is used to manage the two relays
controlling the thermostat and the programmable thermo-hygrostat.
The algorithm allows not to activate the two relays simultaneously,
so as not to burden the electric line in the start-up phase (peak) of the
temperature and humidity control systems.
Practically, the activation is manages in a way not to have overlapping
on activation of the two commands.
SETTING THE USER PARAMETERS
To enter the mode for setting the programmable thermo-hygrostat
parameters, proceed as follows:
1. Press the ‘ ‘ button; the display will show the ‘
P
‘ icon
(bottom right) and the word ‘ PrOG ‘.
2. Press the ‘ ‘ button repeatedly to scroll through the user
parameters:
Schedule Programming ‘ PrOG ’
Antifreeze Setting ‘ AFr ’
Hysteresis Setting ‘ HYS ’
Optimization Function Setting ‘ OPt ’
Internal sensor Offset setting ‘ OFS1 ’
Remote sensor Offset setting ‘ OFS2 ’
Regulation sensor choice setting ‘ rEG ’
House hold program Setting ‘ CLE ’
Vacation program Setting ‘ HOL ’
Setting heating or cooling ‘ H-C ’
Programmable thermo-hygrostat hysteresis setting ‘ HYH ’
Setting humidity sensor Offset ‘ OFSH ’
 SettingDehumidicationorHumidication ‘dE-H ’
Dew point control ‘ C-dp ’
Rate of check on dew point ‘ Cndp ’
Thermostat on time timer ‘ Cntr ’
Reset to default data ‘ dFLt ’
3. Press the ‘OK’ button to modify the selected parameter; the ‘
P
‘
iconashes.
4.Congure the data associated with each individual parameter as
illustrated below.
5. To quit from the user parameters setting, press key ‘ ’ or wait 10
seconds without pressing any key.
‘ PrOG ‘: SCHEDULE PROGRAMMING
Usually the circular band of dashes in the display shows the operating
mode (Comfort, Economy, Off / antifrost) of the thermostat, while
the vertical strip on the left shows the current day of the week
(1=Monday .. 7=Sunday) high lighted with a square around the
number to which it relates programming.
Tofacilitatetheprogrammingoperationitissufcienttoremember
this rule:
Economy mode:
one dash lit (internal).
Comfort mode:
two dashes lit.
Off/Antifreeze mode:
no dashes lit.
Days of the week:
1 Monday .. 7 Sunday.
The box indicates the
current day or group of days.
To set the program schedule proceed as described below:
Note: You will exit the programming mode without memorizing
the programmed schedule if more than 10 seconds elapse
and you do not press any button; or else you can conrm
the settings in sequence by pressing the ‘OK’ button
without making any changes.
1. Select parameter ‘ PrOG ’ and press button ‘ OK ’: the display

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will be automatically taken back to the default values for the
mode set.
- The programmable thermo-hygrostat leaves the factory set in
the dehumidifying mode.
The procedure below must be followed to modify the operating logic:
1. Select parameter ‘ dE-H ’ and press ‘ OK ’; the display will show the
actual adjustment mode and the ‘
P
‘iconwillash.
2. Press the ‘ ’ and ‘ ’ keys to select the desired adjustment
mode;everymodicationismemorisedautomatically.
‘ dEUM‘: Dehumidication
‘ HUMI‘: Humidication
3. To go back to the list of user parameters, press ‘ OK ’.
4.Toexituserparameterssettingandrestorenormaloperation,press
‘ ‘ or do not press any key for 10 seconds.
During normal operation, dehumidication or humidication mode
activation is indicated by the ‘ ‘ icon on.
‘C-dP’ DEW POINT MANAGEMENT
Usingthisparameteritispossibletoenable/conguretheDewPoint
control in order to prevent the formation of surface condensate.
Proceed as follows to set this parameter:
1. Select parameter ‘ C-dP ’ and press ‘ OK ’; the display will show the
actual setting and the ‘ P‘iconwillash.
2. Press the ‘ ’ and ‘ ’ keys to select the desired adjustment
mode; every modication is memorised automatically.
The adjustment modes are the same:
OFF: Dew point control disabled.
d-EF: Dewpointcontrolwithremoteprobeonunderoorplants.
d-EC: Dew point control with remote probe on metal ceiling.
d-FP: Dewpointcontrolenabledonxedpoints(default).
For every adjustment mode, which activates dew point management,
it is possible to modify the factory setting by proceeding as follows:
3. On selection of the adjustment mode suitable for the plant to be
managed, press ‘ OK ’.
4. Press the ‘ ‘ and ‘ ‘ keys to modify the value; every
modicationismemorisedautomatically.
If the ‘ d-FP ’ parameter is selected, by pressing ‘ OK ‘, sit
is possible to use the ‘ ‘ and ‘ ‘ keys to modify the two
thresholds in order to prevent the temperature reaching the dew
point:
TF1: rstlowerthresholdofthedewpoint(expressedin°C).
TF2: secondlowerthresholdofthedewpoint(expressedin°C).
To modify the value of the two thresholds, select TF1 or TF2 and
press ‘ OK ’ and then use the ‘ ‘ and ‘ ‘ keys to modify the
value;everymodicationismemorisedautomatically.
Adjustment
mode
Any sub
parameters Default Range of adjustment
OFF - - -
d-EF SMF(o.) 21.0°C .. 10.0°C
d-EC SMC (cei.) 41.0°C .. 10.0°C
d-FP TF1 18.8 5.0°C .. 24.8°C
(Limit TF1=TF2-0.2°C)
TF2 19 5.2°C .. 25.0°C
5. To go back to the list of user parameters, press ‘ OK ’ and then the
‘ ‘ key.
6.Toexituserparameterssettingandrestorenormaloperation,press
‘ ‘ or do not press any key for 10 seconds.
WARNING
When the regulation modes ‘d-EF’, ‘d-EC’ o ‘d-FP‘ are shown, the
calculated dew-point (dP) value will be alternately shown.
Dew point control limitations
- When the dew point control is active in modes ‘d-EF‘ or ‘d-EC‘,
the parameter ‘rEG‘ (room temperature regulation sensor) will be
automatically set to the internal sensor. The dew point temperature
will be calculated according to the temperature measured by the
internalsensor,meanwhiletheceilingoroortemperatureswillbe
calculated based on the remote sensor.
- When the dew point regulation is active in mode ‘d-FP‘ the
regulationsensorwillbetheinternalone,meanwhiletheexternal
sensor will only be used for the measured temperature.
- The dew-point temperature will always be calculated according
to the temperature measured by the internal sensor. Once the
parameter ‘rEG‘ is reached, the label ‘indP‘ will be shown on the
display, together with the ‘SET%RH‘iconashing.Iftheregulation
sensorhas tobemodied, thesettingsfor thedew-pointcontrol
mustrstbemodied.
- The dew-point regulation is active only when the regulator is set on
coolinganddehumidication.Otherwisetheaccesstoparameter‘C-dP‘
will not be allowed and the label ‘nOdP‘ will be shown instead.
- The dew-point measurement is taken on a regular basis, according
to the value set in the parameter ‘cndP‘, from 3 minutes up to a
maximumof27minutes.
- When the dew-point regulation is activated either when restarting
from the states OFF, housekeeping or vacations, or when
parameters ‘d-EF‘, ‘d-EC‘ or ‘d-FP‘ have been changed; in this case
the regulator will restart for 1 minute with all relays in NC position,
in order to avoid sudden activations. After this phase the normal
regulation will be activated.
For further details regarding the parameters involved in the control of
the dew point, see the following paragraphs.
d-EF’ Dew point control with external probe on underoor
plants.
When the dew point regulation is active with the ‘C-dP’ parameter
set on ‘d-EF’, the regulator will control both systems attached for the
coolingand de-humidicationaccording tothe comparisonbetween
the dew-point temperature and the temperature measured by the
external sensor, thus applying the settings of the regulation ‘d-EF’
regulation.
The following graphics describe the dew point control mode.
HYdP
hysteresis
PRIORITY ON
THERMOSTAT
PRIORITY ON
DEHUMIDIFIER
PRIORITY ON
dp cooler
dehumidier
TE+SMF TE+SMF+ HYdP0 °C
HYdP
hysteresis
PRIORITY ON
dp
dp
Where:
dP: dew point (see table 1).
TE: Externaltemperaturemeasured
SMF: dew point increase set in the sub-parameter ‘ d-EF ‘.
HYdP:dewpointhysteresisequalto0.5°C(cannotbemodied).
‘d-EC’ Dew point control with external probe on metal ceiling.
When the dew point regulation is active with the ‘C-dP’ parameter
set on ‘d-EC’, the regulator will control both systems attached for the
coolingand de-humidicationaccording tothe comparisonbetween
the dew-point temperature and the temperature measured by the
external sensor, thus applying the settings of the regulation ‘d-EC’
regulation.
The following graphics describe the dew point control mode.
HYdP
hysteresis
PRIORITY ON
THERMOSTAT
PRIORITY ON
DEHUMIDIFIER
PRIORITY ON
dp cooler
dehumidier
TE+SMC TE+SMC+ HYdP0 °C
HYdP
hysteresis
PRIORITY ON
dp
dp
Dove:
dP: dew point (see table 1).
TE: Externaltemperaturemeasured
SMC: Increase of the dew point set in the subparameter ‘ d-EC ‘.
HYdP: dewpointhysteresisequalto0.5°C(cannotbemodied).
‘d-FP’ dew point control on xed points
If the dew point control function, ‘ C-dP ’, is activated on ‘ d-FP
’, the programmable thermo-hygrostat controls the cooling and
dehumidication devices on the basis of the comparison of the
temperature value of the dew point calculated and the temperature
values relative to the dew points set in the sub-parameters ‘ TF1 ’
and ‘ TF2 ’.
The following graphics describe the dew point control mode.
HYdP
hysteresis OFF
PRIORITY ON
THERMOSTAT cooler
dehumidier
TF10 °C
HYdP
hysteresis
PRIORITY ON
DEHUMIDI-
FIER
dP
TF2
ON
TF1 - HYdP
Dove:
dP: dew point (see table 1).
TF1: secondlowerthresholdofthedewpoint(expressedin°C).
TF2: rstlowerthresholdofthedewpoint(expressedin°C).
HYdP:dewpointhysteresisequalto0.5°C(cannotbemodied).
Onidenticationofthedewpointtemperature(table1)whichistobe
respected, thresholds ‘ TF1 ’ and ‘ TF2 ’ will be set in order to obtain
system adjustment such to prevent the formation of condensate.
Example:
dP >TF1=the dehumidication system starts to operate,
maintaining the cooling system active if it has already
been activated.
The following situation then occurs:
dP>TF2=the dehumidication system remains active, but the
cooling system is deactivated.
Once the value of ‘ TF2 ’ is set lower than the minimum temperature
of the cooling surface, this control allows to prevent the formation of
condensate on the surface for any temperature and relative humidity
value of the air.
ATTENTION
- The maximum value of ‘ TF1 ’ will be self-limited to ‘ TF2 ’ less
0.2°C.
- The ‘ TF2 ’ value must always be set with a value lower than
the minimum temperature reached by the cooling surface to
control or however than the coolest surface present in the
room.
to activate the Vacation Program, which will suspend the active
operating mode for the desired number of hours (from 1 to 95) or
days (from 1 to 99).
At the end of the set number of hours or days, the programmable
thermo-hygrostat will go back into the operating mode it was in prior
to activation of the Vacation Program. While it is off, and in case the
device has been set to Heating mode, the antifrost function will be in
any case active, and the display will show the symbol ‘ ‘ and the
countdown of the time remaining to the end of the program.
Note: Access to the vacation program will NOT be enabled while the
‘ cleaning program ‘ is on.
To activate the vacation program proceed as follows:
1. Select the parameter ’HOL’ and press ’OK’; the display shows the
symbol ‘ ‘, the indication ’h 00’ and the ‘
P
‘iconashing.
2. Press buttons ‘ ‘ and ‘ ‘ to set the vacation time; every
change will be automatically memorized.
Up to 95 hours, the programming is indicated in hours and the
display will show ‘ h XX ‘.
 Oncethatvalueisexceeded,thedevicewillautomaticallyswitchto
the mode for programming the vacation time in days and display will
show ‘ d XX ‘. It will be possible to increase or decrease the hour
or day by one unit at a time, with values ranging from 1 .. 95 hours
and 4 .. 99 days.
3. To activate the holiday program for a given time, press again the
‘OK’ button or wait 10 seconds without pressing any key; the
display showsthe ‘ ’iconashingandthetimeremainingtothe
end of the holiday period.
If you have not set the time duration of the holiday (h:00), you can
exit the adjustment and return to normal operation by pressing the
‘ OK ’ or ‘ ‘ or by waiting 10 seconds without pressing any key.
4. To deactivate the vacation function and resume normal operation,
press the button ‘ ‘.
‘H-C’ HEATING / COOLING SETTING
This setting is used to invert the operating logic of the thermostat
relay according to whether a heating or air conditioning unit is being
controlled.
ATTENTION:
- By modifying the relay operating logic, the setpoint values
will be automatically taken back to the default values for the
mode set.
- The programmable thermo-hygrostat leaves the factory set in
the heating mode.
To modify the operating logic, carry out the following procedure:
1. Select the parameter ’ H-C ’ and press ’ OK ’; the display shows the
current adjustment mode and the ‘ P‘iconashes.
2. Press the buttons ‘ ’ and ‘ ’ to select the desired adjustment;
each change is automatically saved.
3. To return to the list of user parameters, press the ‘ OK ’ button.
4.Toexittheuserparametersettingsandresumenormaloperation,
press the ‘ ‘ button or wait 10 seconds without pressing any key.
During normal operation, if the heating mode is on, the ‘ ‘ icon will
remain lit, whereas if the cooling mode is on, the ‘ ‘ will remain
steadily lit.
‘HYH’ SETTING HYGROSTAT HYSTERESIS
Settingthisparameterallowstodenethehysteresis,in%RH,which
is applied to the programmable thermo-hygrostat to adjust the room
humidity (2.0 default).
To adjust the differential, perform the following operations:
1. Select the ‘ HYH ’ parameter and press ‘ OK ’.
2. The display will show the previously set value and the ‘
P
‘ icon
willash.
3. Press the ‘ ‘ and ‘ ‘ keys to modify the value (between
0.5%RH .. 10.0%RH); every modication is memorised
automatically.
4. To return to the list of user parameters, press the ‘OK’ button.
5.Toexittheuserparametersettingsandresumenormaloperation,
press the ‘ ‘ button or wait 10 seconds without pressing any key.
‘OFSH’ INTERNAL HUMIDITY SENSOR OFFSET SETTING
With this parameter it is possible to correct the humidity reading of
the internal sensor by ±5%RH in order to correct any systematic
reading errors due to the positioning of the programmable thermo-
hygrostat in areas unsuitable for measuring the room humidity. The
device leaves the factory with the Offset set at 0.0%RH.
To adjust the Offset value for the internal sensor, carry out the
following steps:
1. Select the ‘ OFS1 ’ parameter and press ‘ OK ’.
2. The display will show the previously set Offset value and the ‘
P
‘
iconwillash.
3. Press the ‘ ‘ and ‘ ‘ keys to modify the value (between
-5.0%RH .. +5.0%RH); every modication is memorised
automatically.
4. To return to the list of user parameters, press the ‘OK’ button.
5.Toexittheuserparametersettingsandresumenormaloperation,
press the ‘ ‘ button or wait 10 seconds without pressing any key.
‘dE-H’ DEHUMIDIFICATION/HUMIDIFICATION SETTING
This setting is used to invert the operating logic of the programmable
thermo-hygrostat relay according to whether a dehumidication or
humidicationdeviceisbeingcontrolled.
ATTENTION:
- The dehumidication function is not active in the heating
mode.
- By modifying the relay operating logic, the setpoint values

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- ENGLISH - THW01B0001RX 030681 110918
4
- The difference between the value of ‘ TF2 ’ and the minimum
temperature of the coldest surface in the room will be
assessed by qualied staff, according to the type of plant,
thermal inertia and the various environmental conditions.
Generally, a minimum of 2°C is recommended for underoor
plants and 4°C for metal ceilings.
‘CndP’ Rate of check for the dew-point regulation
This parameter allows to set the minimum time, in minutes, which
must elapse between two consecutive activations of the output
relays, caused by the ‘ c-dP ‘ function intervention.
This time interval can be set in steps of 3 minutes; itwill be re-
initialised every time the dew-point regulation mode is changed by the
user (‘ d-EF ’, ‘ d-EC ’ or ‘ d-FP ‘).
‘Cntr’ THERMOSTAT RELAY ACTIVATION TIMER
Using this parameter it is possible to display the thermostat
relay activation time meter relative to the actual day. The timer is
automatically reset at midnight.
Proceed as follows:
1. Select the ‘ Cntr ’ parameter and press ‘ OK ’, the device displays
the hours of activation of the thermostat relay alternating with the
wording ‘ Cntr ’ + the ‘ P‘ icon.
2. To go back to the list of user parameters, press ‘ OK ’ and then the
‘ ‘ key.
3.Toexituserparameterssettingandrestorenormaloperation,press
‘ ‘ or do not press any key for 10 seconds.
‘dFLt’ SET DEFAULT DATA
With this parameter it is possible to reset user parameters in order to
bring back all the parameters to the factory defaults.
Proceed as follows:
1. Select the parameter ’dFLt’ and press ’OK’; the device
automatically sets the default data and the display will show ’-dF-’
and the ‘
P
‘iconashes.
2. To return to the list of user parameters, press the ‘OK’ button.
3.Toexittheuserparametersettingsandresumenormaloperation,
press the ‘ ‘ button or wait 10 seconds without pressing any key.
WARNING!
Restoring the Default Data will reset all settings made by the
user, such as Time Program, Heating/Cooling, Set-Points and all
other programmable data.
SWITCHING OFF - ANTIFREEZE FUNCTION
To deactivate the programmable thermo-hygrostat press the ‘ ‘
button.
The display will show the word ‘ OFF ’.
If the programmable thermo-hygrostat has been set in the heating
mode, the Antifreeze function will be active and the ‘ ‘ symbol
will appear on the display; in such a case the room temperature will be
controlled based on the value set for the Antifreeze temperature (see
paragraph ‘SETTING THE USER PARAMETERS‘).
AUTOMATIC OPERATION / 24H MANUAL / PERMANENT
MANUAL OVERRIDE FUNCTION
With the ‘ ‘ key, the programmable thermo-hygrostat may be forced
to adjust the room temperature and humidity according to the comfort
temperature and humidity set, regardless of the time programming
settings.
By pressing the ‘ ‘, button repeatedly you can switch from
Automatic to 24 hour Manual, from 24 hour Manual to Permanent
Manual and from Permanent Manual back to Automatic.
During operation in manual mode, the display does not show the time
program, but only the room temperature, the status of the relays (any
switch-on of the ‘ ‘ or ‘ ‘ or ‘ ‘ symbols), the ‘
24h
‘ symbol
(manual 24h) or ‘ ‘ (permanent manual) and the ‘ ‘ symbol.
Pressing the ‘ ‘ button once will activate the 24 hour Manual mode
and the programmable thermo-hygrostat will remain in this mode
until the time 23:59 is reached, after which it will go back into the
Automatic mode.
Note: If the device is set in the 24h Manual mode and the Vacation
program is activated, after the Vacation period has elapsed, if it is
past the time 23.59, the programmable thermo-hygrostat will go back
into the Automatic mode and follow the set program schedule.
Pressing the ‘ ‘ button a second time will switch the programmable
thermo-hygrostat into the Permanent Manual mode and it will remain
in this mode until you press the ‘ ‘ button again.
TIME/TEMPERATURE/HUMIDITY DISPLAY
By repeatedly pressing the ‘ ‘ button, the display can show the
actual time with the icon relative to the temperature adjustment probe
(internal ‘ ‘orexternal‘ ‘), the room temperature read by the
internal sensor, distinguished by the ‘ ‘ icon, the room temperature
read by the remote probe (if connected) distinguished by the ‘ ‘
icon and the room humidity read by the internal sensor, distinguished
by the ‘ ‘ icon.
The temperature and humidity readings are displayed corrected by the
Offset value set.
Note: If the ‘ rEG ’ parameter is set at ‘ In ’, but an error is detected
on the internal sensor, the display will show ‘ SEnS E xx ’. In
this situation the adjustment will be automatically interrupted
and both relays will be placed in the Normally Open position.
If the ‘ rEG ’ parameter has been set at ‘ Out ‘ but the remote
probe has not been connected or is damaged, the display will
show the respective wording ‘ SEnS OPEN ‘ or ‘ SEnS SHrt ‘
with the ‘ ‘ icon on.
ATTENTION:
- In order to optimise battery duration, the programmable
thermo-hygrostat reads the room temperature every 3 minutes
and, consequently, decides on activation or deactivation of the
relays.
- Press the ‘ OK ’ button briey to perform an instant refresh.
BACKLIGHTING
The display backlight turns on whenever and button is pressed. It
turns off automatically 20 seconds after the last pressing of a button.
HOW TO INSERT / REPLACE BATTERIES
The battery charge status is constantly displayed by means of the
‘ ‘ symbol.
Thebatterychargeisatamaximumifallthreelevelindicatorsarelit
inside the symbol. If the ‘ ‘symbol(completelyempty)ashes,
it means that the batteries are depleted and must be replaced. In
this case, both the relays are placed in the safety position (N.C.) and
the display alternately shows the time (or temperature or humidity)
and the word ‘ BATT ’. If the batteries are not replaced as soon as
possible, the ‘ ‘ or ‘ ‘symbolswillalsoashindicatingthat
the device is blocked.
To replace the batteries proceed as follows:
1.Opentheapofthebatterycompartment(Fig.1).
2. Remove the batteries, prying them out with the aid of a tool if
necessary.
3. Insert the new batteries, which must be alkaline 1.5V type AA.
4. Check for correct time and date and eventually reset it.
CONNECTION TO A TELEPHONE INTERFACE
The programmable thermostat allows to connect a telephone interface
with continuous operation (latching relay) to the connector ‘ C‘ in
Fig. 6.
Use of a suitable telephone interface does not require any setting to be
made on the programmable thermo-hygrostat; for directions on using
the telephone interface see the instruction manual provided.
Via a telephone interface it is possible to turn the programmable
thermo-hygrostat Off or turn it On in the Permanent Manual mode.
Depending on the commands received from the telephone interface the
programmable thermo-hygrostat will act according to the following
operating logic:
1. Telephone interface contact closed:
The programmable thermo-hygrostat will switch into the
‘Permanent Manual’ mode: the ‘ ‘ and ‘ ‘ symbols will be
shown on the display.
2. Telephone interface contact open, after (and only after) a
previous closure, if no buttons have been pressed (Manual/Off):
The programmable thermo-hygrostat will be switched off and the
word ‘OFF‘ will be displayed along with the ‘ ‘ symbol. If the
‘Antifreeze’ function is active the ‘ ‘ symbol will be displayed.
IMPORTANT: the commands input by pressing the control
buttons will always have priority over the commands received
from the telephone interface.
If you press the ‘ ‘ or ‘ ‘ button on the programmable thermo-
hygrostat, the device will change its status and the ‘ ‘ icon will
ashtoindicatethattheinterfacecommandhasbeenoverriddenbya
command input with a control button.
The ‘ ‘iconwillstopashingifthetelephoneinterfacesendsthe
programmable thermo-hygrostat the same command as the one made
with the button or if the telephone interface is reset. In such a case
the status set by means of the control button will not be changed
and the programmable thermo-hygrostat will be ready to receive a
new command.
IMPORTANT
If an Off command is sent to the programmable thermo-
hygrostat via the telephone interface (contact open), it is a
good idea to check that the command has been executed by the
programmable thermo-hygrostat by carrying out the following
realignment procedure:
1. Using the functions of the telephone interface, check that the
contact is open, sending an Off command if necessary.
2. Send a command to the telephone interface to close the
contact (the programmable thermo-hygrostat will turn on).
3. Using the functions of the telephone interface, check that the
contact is closed.
4. Send a command to the telephone interface to open the
contact (the programmable thermo-hygrostat will turn off).
During this sequence no commands should be input with the
control buttons as they have priority over the interface commands.
TECHNICAL CHARACTERISTICS
Powersupply:   2x1.5V,alkalinebatteries(TypeAA)
Battery life: >1 year
Backlight turns off: 20 sec. after the last pressing of a
button
Thermostat section
Range of adjustment: comfort: 5°C .. 40°C
economy: 5°C .. 40°C
Asymmetrical differential: 0,1°C .. 5°C (Default 0,2°C)
Thermostat relay
contacts capacity: 5(1)A 250V~ SPDT
Hygrostat section
Range of adjustment:comfort: 10%RH .. 95%RH
economy: 10%RH .. 95%RH
Differential: 0,5%RH .. 10.0%RH (Default 2.0%RH)
Hygrostat relay
contacts capacity: 5(1)A 250V~ SPDT
Sensor type: Internal (temperature/humidity)
Humidity reading saturation: Probe temp. <10.0%RH (- - - -)
Probe temp. >90.0%RH (E E E E).
Temperature accuracy (-40°C .. 120°C):
Humidity accuracy (0%RH .. 100%RH @25°C):
Resolution: 0.1°C. (-9.9°C .. 50°C)
0.1%RH (10%RH .. 90%RH)
Internal sensor Offset:
Temp.: ± 5.0°C. (Default 0.0°C)
Humidity: ± 5.0% RH. (Default 0.0°C)
Remote probe type: NTC 10K Ohm ±1% @ 25°C (optional)
Remote probe Offset: ± 5.0°C. (Default 0.0°C)
Antifreeze: OFF / 0.5°C .. 25.0°C (Default 3.0°C)
Dew point: OFF / d-EF / d-EC / d-FP (Default d-FP)
Ext.InterfaceInput:  On/Offtypecontinuoussignal.
Protection rating: IP 30
Insulation class: II ( )
Number of manual cycles: 1,000
Number of automatic cycles: 100,000
Type of action: 1CU
Trackingindex:   PTI175
Pollution situation: 2 (normal)
Overvoltage category: II
Operating temperature: 0°C .. +40°C
Storage temperature: -10°C .. +50°C
Humidity limits: 20% .. 80% RH non-condensing
Enclosure: Material: ABS+PCV0self-extinguishing
Colour: Signal white (RAL 9003)
Light grey (RAL 7035)
Weight: ~ 156 gr.
NORMATIVE REFERENCES
The product complies with the following standards (EMC 2004/108/EC
and LVD 2006/95/EC):
EN-60730-1 (2011)
EN-60730-2-7 (1991)
EN-60730-2-9 (1995)
DIMENSIONS
WARRANTY
In the view of a constant development of their products, the
manufacturer reserves the right for changing technical data and
features without prior notice. The consumer is guaranteed against any
lack of conformity according to the European Directive 1999/44/EC as
well as to the manufacturer’s document about the warranty policy. The
fulltextofwarrantyisavailableonrequestfromtheseller.

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- ENGLISH - THW01B0001RX 030681 110918
5
INSTALLATION
WARNING
- To adjust properly room temperature, install the thermostat
far from heat sources, airstreams or particularly cold walls
(thermal bridges).
- In order to grant the electrical safety, it is mandatory to
screw the programmable thermo-hygrostat body to the wall
mount plate through the two screws supplied which must be
mounted in the battery holder.
- If the load controlled by the relay of the programmable
thermo-hygrostat operates with mains voltage, the
connection must be made via an omnipolar switch complying
with current standards and with a contact opening of at least
3 mm in each pole.
- Installation and electrical wirings of this appliance must be
made by qualied technicians and in compliance with the
current standards.
- Before wiring the appliance be sure to turn the mains power off.
The device is designed to be installed in a standard recess (or wall)
mountedjunctionboxwithtwoorthreemodulesorelsedirectlyon
the wall using the screw anchors provided.
To install the device carry out the following steps:
Release the wall mount plate tted under the base of the
programmable thermo-hygrostat as shown in Fig. 2.
Fig. 2
1
2
1
Fixtheplatedirectlyonthewalloronto2or3modulejunction
boxesbymeansofthetwoholesforscrews(distancebetween
centres: 60 mm or 85mm), taking care to pass the wires
through the opening as shown in Fig. 3.
2
Fig. 3
Movethethermostattothewallplatebyttingrsttheteeth
ofthebasewiththerelevantholesoftheplateandthenexert
a pressure on the device to the left side until the plastic teeth
of the plate snap.
4
2
1
Fig. 7
Secure the bodyof the programmable thermostat to the wall
plate using the supplied screw that is located inside the battery
compartment (Fig.8).
5
Fig. 8
Insert the batteries (not supplied as standard) in the battery
compartment (Iin Fig. 1); see paragraph ‘ HOW TO INSERT/
REPLACE THE BATTERIES ’.
6
QUICK GUIDE FOR SETTING THE TIME SCHEDULE
• Press button ‘ P ’.
• The display shows ‘ PrOG ’ with the icon ‘
P
‘ turned on.
• Press key ‘ OK ’: the display shows the word ‘ dAY ’, the icon
‘
P
‘andthesquarescorrespondingtotheashingdays.
• Press buttons ‘ ‘ and ‘ ‘ in order to choose one of the four
days combinations available as pre-set.
• Press button ‘ OK ’toconrmthechoice.
• The display shows hour 00:00 with the relevant dash, in the upside
right,ashing.
• Press one of the following buttons to select the temperature
regulation level desired:
Comfort mode: Press the ‘ ‘ button.
Off / Antifreeze: Press the ‘ ‘ button.
Economy mode: Press the ‘ ‘ button.
Moving the time cursor: Press button ‘ ’ or ‘ ‘.
Each time the button which sets the regulation mode is depressed,
thetimecursorautomaticallyjumpsintothenexthalfhour.
• Once the time schedule for the day or group of days selected has
been set, press button ‘ OK ’.
Thedisplaywillshowthetimescheduleforthenextdayorgroup
of days until the whole week has been covered.
• Once the time schedule for the whole week has been set, press
button ‘ OK ’. The programmable thermo-hygrostat will store the
program into its memory and the word ‘ MEMO ’ is shown on the
display, then it will automatically quit the time schedule setting
procedure.
Connect the remote sensor (if present) or the phone interface
to connector ‘C’ shown in Fig. 6. The load for the thermostat
section must be wired to the terminal block ‘A’ shown in Fig. 6,
meanwhile the load for the hygrostat section must be wired to
the terminal block ‘B’ shown in Fig. 6.
Fig. 6
A C
B
Make electrical wirings by passing the wires through the
rectangular opening in the wall plate (Fig. 3), and according to
the diagram in Fig. 4 or Fig. 5.
3
Fig. 4
Fig. 5
The crossed out wheelie bins symbol on the equipment indicates that,
at the end of its useful life, the product must be collected separately
from general waste. Therefore, at the end of its useful life, the user
must take the equipment to a designated electrical and electronic
waste collection point , or return it to the dealer that, against the
purchase of an equivalent appliance, it is obliged to collect the
product for disposal free of charge. Appropriate differentiated waste
collection for subsequent recycling, treatment and environment-
friendly disposal of the discarded equipment helps preventing possible
negative environmental and health effects and encourages recycling
of the component materials of the equipment.
Illegal disposal of the product by the user entails the application of
sanctions provided by the regulations in force.
DISPOSAL
According to the provisions of the following
European directives 2011/65/EU, 2012/19/EU, and
2003/108/CE, concerning the restriction of the use
of certain hazardous substances in electrical and
electronic equipment, as well as waste disposal.