Vemer CHRONOS 230 Bianco User manual

Cronotermostato
Digitale
CHRONOS
Manuale d’Uso
User Manual
DIGITAL CHRONOTHERMOSTAT
PDF

English
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CHRONOS Chronothermostat User Manual
QDimensions Page 4
QConnection diagram Page 4
QSafety warnings Page 5
QTechnical specifications Page 6
QDisplay and keyboard Page 7
QInstallation Page 9
QProgramming menu Page 12
- Time and date modification Page 12
- Programs modification Page 12
- Temperatures T1, T2, T3 modification Page 14
- Timing setting Page 16
- Advanced functions menu Page 17
QManual operation Page 21
QOff operation Page 22
QBacklighting management Page 24
QMinimum and maximum values Page 25
QSummer time change Page 25
QRegulation type Page 27
QTimings: what they are Page 29
QChronothermostat reset Page 31
QBattery replacement Page 31
QReference standards Page 32
QDefault values Page 33
QWinter preset programs Page 34
QSummer preset programs Page 35
Index

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CHRONOS Chronothermostat User Manual
Digital Chronothermostat CHRONOS
• Touch screen display of capacitive
type (sensible to the fingers’ touch)
• Summer and winter operating mode
• Models available in white and black
colours
• Battery or 230 V power supply
• 7 programs available for the heating
mode
7 programs available for cooling
mode
• Weekly programming with 3
different settable temperatures
• Wall-mounting or
to coverage of box 503

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CHRONOS Chronothermostat User Manual
Digital Chronothermostat CHRONOS
Model Chronos 230
Bianco
Chronos 230
Nero
Chronos
Bianco
Chronos
Nero
Power supply
230Vac 50/60 Hz batteries 2 x 1,5V (type AAA)
Display multicolor red/green/blue monocolor (blue)
Digital input —
Switch on / switch off with
telephone dialler
or
external temperature probe
Installation Wall
(or to coverage three-module in built box)

Aux
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CHRONOS Chronothermostat User Manual
DIMENSIONS
CONNECTION DIAGRAM

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CHRONOS Chronothermostat User Manual
QDuring product installation and operation it is necessary to observe the
following instructions:
1) The device must be installed by a qualified person, in strict compliance with
the connection diagrams.
2) Do not power or connect the device if any part of it is damaged.
3) After installation, inaccessibility to the connection terminals without
appropriate tools must be guaranteed.
4) The device must be installed and activated in compliance with current electric
system standards.
5) Before accessing the connection terminals, verify that the leads are not live.
6) In the electrical system of the building where the device must be installed,
a switch and a protection device from the overcurrents must be present (for
Chronos 230 models only).
Code Model Description
VE451100 Chronos Bianco Touchscreen chronothermostat batteries white
VE452900 Chronos Nero Touchscreen chronothermostat batteries black
VE453700 Chronos 230 Bianco Touchscreen chronothermostat 230 V white
VE454500 Chronos 230 Nero Touchscreen chronothermostat 230 V black
SAFETY WARNINGS
Electronic touch screen chronothermostats with wall-mounting suitable for the
temperature control in household. Two versions are available:
QCHRONOS, battery powered, with backlit monocolor display (blue) and input
for external contact configurable for the connection of an external temperature
probe or of an auxiliary contact with whom to switch on/to switch off the
chronothermostat remotely (by telephone).
QCHRONOS 230, mains powered, with backlit monocolor display, which changes
tone according to the gap between the environment temperature and the setpoint.
These devices perform actions of 1B type and are intended for operating in
environments Pollution degree 2 and Overvoltage Category III (EN 60730-1).

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CHRONOS Chronothermostat User Manual
TECHNICAL SPECIFICATIONS
• Power supply Chronos:
– 2 alkaline batteries 1.5 V (AAA type)
– battery life: 1 year
– battery charge level indication
– charge reserve ( for battery replacement): 1 minute
• Power supply Chronos 230:
– 230Vac (-15% ÷ +10%) 50/60Hz
– maximum consumption: 6 VA / 230Vac
– charge reserve ( for blackout): 2 days about
• Wall mounting or to coverage three-module in built box
• Terminals Chronos:
– 3 terminals for 1.5 mm² cable section for bistable output relay 5A / 250 Vac
– 2 terminals for 1.5 mm2cable section for digital input (on/off with telephone
dialler)
• Terminals Chronos 230:
– 3 terminals for 1.5 mm2cable section for monostable output relay 5A / 250 Vac
– 2 terminals for 1.5 mm2cable section for power supply
• Temperature regulation:
– On/off with hysteresis setting between 0,1 °C and 1°C
– Proportional with settable band and period
• Summer/winter operating mode
• Weekly programming (7 programs available for each operating mode)
• Daily resolution: 1 hour (possibility to set delay activation of 15, 30, 45 minutes
independent for each hour)
• 5 settable temperatures:
– T1, T2, T3 in automatic operation
– Tm in manual operation
– Toff in off mode (antifreeze)
• Measured temperature display: 0 ÷ 50 °C
• Measurement precision: ±0.5 °C: ±0.5 °C
• Measured temperature resolution: 0.1°C
• Temperature setting range: 2 ÷ 50 °C
• Clock precision: ±1 second/day
• Key lock by password
• Summer/winter time automatic change (excludable)
• Operating temperature: 0 ÷ +50 °C
• Storage temperature: -10 ÷ +65 °C
• Operating humidity: 20÷90% non condensing
• Protection degree: IP40
• Insulation: reinforced among accessible parts (frontal) and all other terminals

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CHRONOS Chronothermostat User Manual
① Day of the week (DAY 1 = Monday)
②
Programming menu:
: date/time and summer time setting
: programs change mode (for automatic operating)
: temperatures setting T1, T2. T3
: timing menu
: advanced programming menu
: not used
: not used
③
Time and minutes
④ Load activation in summer mode/ cooling
⑤ Manual operation activation
⑥ Load activation in winter mode/heating
⑦ Measured environment temperature
⑧ Program on graphic for the current date (in automatic operation)
⑨ Off operation
⑩ Depleted battery indication (only battery models)
⑪ Keyboard (the keys are active only if the instrument is correctly installed on
wall-mounted base)
DISPLAY AND KEYBOARD

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Q Keyboard
The keys carry out different functions on the basis of the device status and they will be
described step by step in this user manual.
Multipurpose keys are not built into the instrument, that is to say contemporary
pressures of 2 or more keys.
There are two types of pressure:
- brief pressures,
- long pressures, with duration higher than 3 seconds.
During the press of a button, the display is blue.
Attention: press the keys with your fingers, do not use sharp objects!
Attention: the keys are active only if the device is correctly inserted on wall-
mounted base
QCleaning the display
To clean the display use a soft, lint-free cloth, without using excess force.

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CHRONOS Chronothermostat User Manual
INSTALLATION
• The chronothermostats of Chronos series are designed for wall-mountig .
Alternatively they can be installed to cover three-module in built box.
• The chronothermostat must be installed at a height at about 1.5 m above the floor,
away from direct sunlight, away from doors, windows, heat sources, locations with
excess or total lack of ventilation.
 Connect the wires to the terminal
blocks of the base, as shown in the
“wiring diagrams”.
 Fix the base on the wall using the
screws supplied.
 For battery power supply models
only: insert the batteries into the
battery compartment on the back
of the chronothermostat, respecting
the polarity
 Attach the chronothermostat to the
base, at first mating teeth on the
higher side.
1
2
1
Attention: it’s not possible to make no programming or modification of the set
parameters until the device is not correctly installed on wall-mounted base

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CHRONOS Chronothermostat User Manual
• Clock setting
Once the chronothermostat is mains powered, set the clock (time and date insertion).
The parameters to enter are the following:
seconds (only synchronisation at value 00), minutes, hours, year, month, day.
Use the keys and to increase and decrease the values and the key to
confirm and to move to the next parameter.
Seconds synchronisation
Minutes setting
Time setting
Year setting
Month setting
Day setting
Once all values are set, press for a long time (3 seconds) the key to exit the menu
of the clock synchronisation.

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CHRONOS Chronothermostat User Manual
At this point the chronothermostat
will begin to operate with the set
default parameters (see page
33) displaying the day of the
week, the time, the environment
temperature and the graphic of
the program on.
DAY TEMPERATURE HOUR
Attention:
To operate correctly the chronothermostat requires the time and date
insertion.
If once mains powered, no value is
set within about 30 seconds, the
chronothermostat begins to operate in
off mode, displayed with the symbol
. The time lack is displayed with
flashing dashes ( _ _:_ _ ).
The chronothermostat remains in off
operation condition until when the hour is not inserted, ensuring in this way
the saving of the antifreeze temperature (6°C).
In this condition, the pressure of any key reactivates the menu of date/time
insertion for other 40 seconds about.
PROGRAM
GRAPHIC

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CHRONOS Chronothermostat User Manual
PROGRAMMING MENU
With this menu it’s possible to modify the
following operating parameters:
- Date and time
- Automatic operation programs
- Automatic operation temperatures
- Timings
- Advanced functions.
Time and date modification
To modify the hour and the date set:
1. From normal operating display, press for a long time the key until the symbol
starts flashing on field (2)
2. Press the key to access parameters modification. The seconds field starts
flashing. Parameters sequence to set:
seconds* -> minutes -> hours -> month ->day
3. Use the keys and to modify the values and the key to confirm moving to
the next parameter.
(*) for seconds it’s possible only the synchronisatin at value 00
4. Once all parameters are set, to exit and to go back to the programming menu, press
a short time the key .
To exit and to go back to the normal operating (automatic, manual) press for a long
time or wait for the time-out expiration (40 seconds about).
Inside this menu it’ s also possible to modify the parameters for winter/
summer time change. The procedure is described in a detailed way in the
chapter “Summer time change” on page 25.
Programs modification
This menu allows to modify the programmings of the automatic operation.
In default status the chronothermostat is configured to perform the program P1 from
3s
I
nside this menu it’ s also
p
ossible to modif
y
the
p
arameters for winter
/
s
ummer time chan
g
e. The procedure is described in a detailed way in the
chapter “Summer time chan
g
e” on pa
g
e 25
.

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CHRONOS Chronothermostat User Manual
Monday to Friday and P2 on Saturday and on Sunday (the programs profile is described
at the end of this manual on page 34-35).
If this programming doesn’t satisfy the user needs it’ s possible to change it.
To modify the programming:
1. From the normal operation display, press for a long time the key until the
symbol starts flashing on field (2)
2. Press for a short time the key until the symbol flashes and press the key
to access the parameters modification.
3. The programs page is displayed:
the first day of the week (DAY 1) flashing,
the current program (for example P1) of the
current operating mode ( o ) and the
corresponding profile of the program.
3.1. If the set program is good, move to the
next day with the keys and .
3.2. If the set program is not good, press
the key .
The set program flashes: choose a
different program among the 7 available
programs pressing the keys and .
3.2.1. If no program exactly satisfies the
user’s needs, choose any program
which best meet them and
press the key to access the
modification of the program profile.
On field (3)  appears while
on field (7) flashes the temperature
level (T1, T2 o T3) set for that
specific time (00:00).

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Use the keys and to change
the temperature level and the key
to move to the next hour. Set like
this the desired level temperature
for each hour of the day.
3.2.1.1. For each hour it’ s possible to
delay the start of th regulation of
15’, 30’ or 45’
After setting the temperature
as described above, press for
a long time the key to set
a delay.
The minutes field flashes (field
3): set with the keys and
the delay and press the key
to move to the next hour.
4. When the program satisfies the user’s needs, go back to the days pressing twice
the key and repeat for the other days of the week the operations.
When all modifications have been performed, exit the programming menu pressing
for a long time the key .
Temperatures T1, T2, T3 modification
To modify the 3 temperatures of automatic operation:
1. From the normal operation display, press for
a long time the key until the symbol
starts flashing on field (2)
2. Press for a short time the key until the
symbol flashes. Press the key to
access the parameters modification.
3s

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CHRONOS Chronothermostat User Manual
3. The value of the flashing T1 temperature is
displayed. Modify the value with the keys
and and press the key to move
to the modification of T2.
4. The value of the flashing T2 temperature is
displayed. Modify the value with the keys
and and press the key to move
to the modification ofi T3.
5. The value of the flashing T3 temperature is
displayed. Modify the value with the keys
and and press the key to go
back to the page of T1 temperature.
6. Once all parameters are set, to exit and to
go back to the programming menu, press
for a short time the key .
To exit and to go back to the normal
operation press for a long time the key
or wait for the time-out expiration (40
seconds about).
Attention: the values of set temperatures
must respect the condition:
T1 ≤ T2 ≤ T3.
In cooling mode T1 is not
settable and equals off system.

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Timing setting
This menu allows the setting of a timing on the current operating mode, expressed in
hours and days.
For further information about timings, see the chapter “Timings: what they
are” on page 29).
To set a timing:
1. From the normal operation display, press for a long time the key until the
symbol starts flashing on field (2)
2. Press for a short time the key until the
symbol flashes and press the key to
access the parameters modification.
3. The value of the timing currently set
flashes (00= no timing). Enter the timing
value (from 1 to 99) with the keys and
and press the key to move to the
measurement unit change (hours and days).
4. The measurement unit starts flahing (KRXU
or GD\). Press the keys and to
choose a timing in hours (KRXU) or days
(GD\).
F
or
f
urther in
f
ormation about timings, see the chapter “Timings: what they
a
re” on page 29).

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CHRONOS Chronothermostat User Manual
5. Once all parameters are set, to exit and to go back to the programming menu, press
for a short time the key .
To exit and to go back to the normal operation (automatic, manual) press for a long
time the key or wait for the time-out expiration (40 seconds about).
If a timing is active, the display shows the symbol .
To interrupt a timing, access again the menu and set the value .
Advanced functions menu
With the ADV menu it’s possible to modify the
following operation parameters:
- operating mode (heating or cooling)
- regulation type (on-off or proportional)
- parameters relative to regulation type
- antifreeze temperature
- auxiliary input configuration
- password for key lock
- system operation hours.
To access the menu ADV:
1. From the normal operation display, press for a long time the key until the
symbol starts flashing on field (2).
2. Press for a short time the key until the symbol starts flashing and press the
key to access the parameters modification.
3. At this point the first parameter of the menu starts flashing:
press the keys and to modify the parameter and the key to confirm and
to move to the next parameter.
To exit the parameters modification press the key .

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Operating mode
This parameter allows to specify the operating mode of the chronothermostat, between
winter-heating ( ) and summer-cooling ( ).
For further information about the operating mode see the chapter “Regulation
types” on page 27.
Regulation type (only for heating mode)
For heating mode it’s possible to choose between on/off regulation (5HJ) or
proportional (U(J3).
For further information about regulation type see the chapter “Regulation
types” on page 27.