Fantini Cosmi CH191 User manual

CH191
WEEKLY PROGRAMMABLE THERMOSTAT WITH
TOUCHSCREEN

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CONTENTS OF PACKAGE
1 chronothermostat
2 screws
1 user manual
INSTALLATION ..................................................................................
ELECTRICAL CONNECTIONS ...........................................................
INSERTION AND REPLACEMENT OF BATTERIES ...........................
MAINTENANCE .................................................................................
QUICK GUIDE FOR PROGRAMMING .................................................
description of keys/display .......................................................
setting time and date ...............................................................
operating programs .................................................................
settable temperatures .............................................................
setting operating programs .....................................................
FUNCTIONS IN DETAIL ....................................................................
available programs ..................................................................
settable temperatures .............................................................
advanced keys and functions ....................................................
TECHNICAL FEATURES .....................................................................
p. 3
p. 4
p. 4
p. 5
p. 5
p. 5
p. 6
p. 6
p. 7
p. 8
p. 11
p. 11
p. 13
p. 14
p. 22
INDEX

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INSTALLATION
1
The CH191 chronothermostat must be installed in a 3-module recessed box, in the
middle of the apartment, preferably 1.5 m off the ground.
Act on the master switch on the electric
panel to cut power to the electrical system;
Connect the two wires of the boiler to
terminals 1-2 of CH191;
Screw the frame onto the box using the
provided screws, paying attention to the
indicated assembly direction;
Switch the electric system back on;
Insert 2 AA 1.5V alkaline batteries in the
specific box;
Insert the thermostat body in the frame
fixed to the wall.
PERFORM THE FOLLOWING
OPERATIONS:
1
2
3
4
5
6

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ELECTRICAL CONNECTIONS
2
INSERTION AND REPLACEMENT OF BATTERIES
3
Insert 2 AA 1.5 V alkaline long lasting batteries, of a good brand, paying attention to
the marked polarities.
N.B. the life of the batteries is greatly affected by the type of use and the settings
made by the user, especially the brightness of the display.
When the batteries are low, the symbol of the discharged battery flashes on the
display: CH191 keeps working regularly.
If the batteries are completely discharged, the chronothermostat quits working
(switching off the system) and the display reads ”REPLACE BATTERIES”, until
the batteries are replaced.
To remove the batteries, extract CH191 from its housing pulling it upwards.
When you disconnect the chronothermostat, the text “Disconnected” is displayed
for one minute as well as the symbol of the battery flashing (the battery symbol also
flashes, but differently, when the batteries are charged, signalling that the body
of the chronothermostat is disconnected from the base). The text “Connected”
disappears when you press a key. All parameters remain stored while the batteries
are being replaced.
ATTENTION: installation must be carried out by
qualified personnel.
!
CH191
Sonda
AUX
attivatore
telefonico
CT3M/MA
caldaia
2
1
3
4
2
1
N.B. When CH191 is
disconnected, the boiler
contact remains in its current
position.
Unscrew the lid to connect the
auxiliary probe.
Use compatible Fantini Cosmi
probes.
EC18 external probe
EC19 floor probe
EC20 room probe
CT3M/MA
telephone
activator
Boiler
Probe
AUX

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MAINTENANCE
Use only a soft cotton cloth to clean the chronothermostat without any detergent.
Do not use paper tissue to clean the screen.
KEYBOARD BLOCK
To make sure you don’t change any settings on the chronothermostat unintentionally
while cleaning, enable the keyboard block by pressing the middle of the display for
5 seconds. The text “BLOCKED” appears on the display when the keyboard has
been blocked. The keys will re-enable automatically after 30 seconds.
4
ENTER
0 2 4 6 10 12 14 16 18 20 22 248
PROGTEMP SEL DISP JOLLY OFF
COPY
F
QUICK GUIDE FOR PROGRAMMING
5
DESCRIPTION OF KEYS/DISPLAY
The chronothermostat is equipped with 6 keys, the function of which varies
depending on the situation. It is described by the symbol which appears on the
display next to the key.
N.B.: to switch on the display, press in the middle; if no other keys are pressed, the
display switches off after 2 seconds; if other keys are pressed, the display will switch
off after remaining idle when the time set in the parameter LIGHT ON expires (see
Chap. 6 CONFIG. PG03).
touch keys
winter relay ON
summer relay ON
room temperature
Celsius / Fahrenheit
graphical section:
messages,
hourly temperature
profile
low battery symbol
day of the week
programs
summer/winter time

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OPERATING PROGRAMS
The CH191 chronothermostat has different operating modes, called programs:
“AUTO” WEEKLY PROGRAM:
one of the four programmable temperatures can
be associated to each half hour for each day of
the week. This is the program displayed when the
chronothermostat is switched on and is generally the
one most used.
“HOLIDAY” DAILY PROGRAM:
Like in the AUTO program, you may select one of the
4 programmable temperatures for each half hour, but
the identical sequence will be repeated every day.
SEL TEMP PROG DISP JOLLY OFF
HOLIDAY
SETTING TIME AND DATE
After the device switches on, press the key
PROG briefly: the text “Setup” is displayed;
now press to enter the “Hours” page. Set
the hour by pressing and . Then press
to go to the “Minutes” setting.
Again press to select, in order, the Year,
Month and Day.
Pressing again allows you to choose
whether to disable automatic change of
summer/winter time: initially this function is
active can but can be deactivated by pressing “NO” using the keys and .
Pressing allows you to go back to the previous page.
To exit the Setup menu, press ENTER .
ENTER

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“JOLLY” TEMPORARY PROGRAM:
you may choose to hold a certain temperature for a
certain number of hours, after which it will go back to
the previously active program.
“MAN” MANUAL PROGRAM:
the chronothermostat maintains a fixed temperature,
for an unlimited amount of time until another program
is selected.
SYSTEM OFF OR WITH ANTIFREEZE PROGRAM
“OFF/ANTIFREEZE”:
the system remains off or else maintains a very low
temperature (from 2 to 7°C) to prevent the fluid in the
heating system from freezing.
MAN
JOLLY
SETTABLE TEMPERATURES
Four different temperatures can be set and one can be selected for each half hour
of the day in the AUTO and HOLIDAY programs. Three of these temperatures (T1,
T2 and T3) can have values from 2° to 40°C, while the fourth, T antifreeze (TA), can
range from 2° to 7°C, or be set at “OFF” (system off). The manual program has
its specific temperature (TMan), like the JOLLY program (Tj), which are set in the
respective screens and can range from 2° to 40°C.
The ANTIFREEZE/OFF program, on the other hand, follows the temperature TA
which, as we have said, can range from 2° to 7°C; or else, it can be set at “OFF”,
switching the plant completely off.

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ENTER
SETTING OPERATING PROGRAMS
PROGRAM SELECTION
press SEL to select, in cyclical sequence, the
different operating programs: AUTO -> MAN -> OFF
-> HOLIDAY.
PLEASE NOTE: the JOLLY temporary program is
not included in the program sequence, but can be
selected directly by pressing the JOLLY key.
SETTING THE TEMPERATURES
press
TEMP in the AUTO, HOLIDAY and OFF
programs to change the value of the 4 programmable
temperatures: when you press TEMP several times,
the values T1, T2, T3, Ta appear in sequence; stop at
the T you want to change and use the arrow keys
and to increase or decrease the temperature by
a tenth of degree at a time. Press to go back to the initial status.
Remember that T1 will always be less than T2, and T2 than T3.
Pressing
TEMP in the JOLLY program allows you to modify its temperature using
the keys and . Press to go back to the page displaying the hours, allowing
you to modify them using and .
The MAN program allows you to modify the fixed temperature TMan using the keys
and .
EDITING CURRENT DATE AND TIME
Press
PROG briefly to enter the “SETUP” menu.
Using and allows you to modify: winter/
summer, hours, minutes, year, month, day,
summer time.
These values can be changed
using the keys and .

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CUSTOMISATION OF WEEKLY “AUTO”
PROGRAMMING AND DAILY “HOLIDAY”
PROGRAMMING
Keep the key PROG pressed until the text
“Config” is displayed. This menu allows you to
program the weekly profiles (AUTO program) and
daily profiles (HOLIDAY program) and to set the
advanced functions (see the following paragraphs for their description).
PLEASE NOTE: if the text “Setup” appears instead of “Config”, you did not press
the key long enough and you must press
ENTER to go back to the normal operating
condition and try again.
When you enter the “Config” menu, a page appears which allows you to choose the
desired temperature (T1/T2/T3/Ta) for each half hour of the indicated day (from 1 to
7 indicating the days from Monday to Sunday).
PLEASE NOTE: T1/T2/T3/Ta are displayed on the right of the screen with the
symbols
Pressing and allows you to move one half hour at a time to the right or to
the left.
Pressing and allows you to go from one programmed temperature to another.
Pressing PROG (briefly) switches you to the next day (DAY 1 -> 2 -> 3 -> 4 -> 5 -> 6
-> 7 -> H).
Press COPY to copy the temperature profile of the current day on the following day.
After H (profile of the Holiday daily program) you go to the Correction parameter
page.
Then pressing ENTER from the Correction page allows you to the exit the “Config”
menu.
N.B.: press at the start of day 1 to go right to the Correction page.
COPY
PROG
000

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“JOLLY” PROGRAM SETTING
In all programs, except MAN, pressing the key JOLLY selects the temporary
program: this program allows you to define the desired temperature and its
duration in hours (up to a maximum of 240, so to say 10 days).
For example, you may want to keep a lower temperature during the entire weekend
when no one is home.
When you enter this program, you may modify the duration, which initially is one
hour, and increase the number of hours by pressing , or decrease them by
pressing .
Pressing
TEMP allows you to view and modify temperature Tj, again using the keys
and .
Pressing sends you back to view the duration of the JOLLY program.
When this time elapses, you go back to the initial program.
“OFF/ANTIFREEZE” PROGRAM SETTING
Pressing OFF from any program switches the chronothermostat to the off/
antifreeze status. The antifreeze temperature (Ta) can be programmed by pressing
TEMP , from OFF (boiler always off) to an interval between 2.0 and 7.0°C, using the
arrow keys and .
Go back to the OFF status by pressing .
Pressing OFF again sends you back to the previous operating status.
ALTERNATIVE DISPLAYS
Other information can be viewed in the AUTO and HOLIDAY programs in place of the
temperature profile, by pressing the key
DISP several times.
The first time it is pressed the programmed temperature for the current half
hour appears, the second time it displays the date, the third time it displays the
temperature of the external probe and the fourth time it goes back to the initial
temperature profile.

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AVAILABLE PROGRAMS
CH191 has several operating modes (programs):
“AUTO” weekly program
“HOLIDAY” daily program
“JOLLY” temporary program
“MAN” manual program
system off or with antifreeze “OFF”program
“AUTO” WEEKLY PROGRAM
4 temperature levels can be used in the AUTO operating mode (Ta, T1, T2, T3),
according to a programming with 30 minute steps, 24 hours a day, 7 days a week.
The days are numbered from 1 to 7 and correspond to the seven days of the week,
starting from Monday.
To simplify programming, you may set the first day and copy it on the following days.
The default for days 1 – 5 (Monday to Friday) is:
00:00 – 06:30 T1
06:30 – 09:00 T2
09:00 – 11:30 T1
11:30 – 14:00 T2
14:00 – 17:00 T1
17:00 – 22:30 T3
22:30 – 24:00 T1
while the default for days 6 and 7 (Saturday and Sunday) is:
00:00 – 08:00 T1
08:00 – 11:30 T2
11:30 – 23:00 T3
23:00 – 24:00 T1
winter program
Monday-Friday
winter program
Saturday-Sunday
6.30 9 11.30 14 17 22.30 24h0
0 8 11.30 23 24h
°C
T3 20
T2 19
T1 17
°C
T3 20
T2 19
T1 17
FUNCTIONS IN DETAIL
6

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summer program
Monday-Friday
For summer mode (air conditioning), the
default program
is that shown in the figure.
0 5 8 18.30 22.30 24h
°C
T3 28
T2 26
T1 24
The value of the 4 temperatures can be
programmed using the TEMP function.
The temperature profile (hourly variation)
can be programmed using the PROG
function.
“HOLIDAY” DAILY PROGRAM
4 temperature levels can be used in HOLIDAY operating mode, according to a
programming with 30 minute steps, 24 hours a day.
This achieves a daily programming, regardless of the days of the week. The default
temperature profile is:
00:00 – 08:00 T1
08:00 – 11:30 T2
11:30 – 23:00 T3
23:00 – 24:00 T1
The value of the temperatures can be programmed using the TEMP function.
The temperature profile (hourly variation) can be programmed using the PROG
function.
8 11.30 23 24h
°C
T3 20
T2 19
T1 17
JOLLY
The JOLLY mode allows you to set a
programmable temperature (Tj) for a
programmable number of hours (from 1 to
240). It is used when you wish to introduce
a temporary variation to programming
without changing the parameters, for
example to maintain a high temperature
for longer when spending an evening with
friends or to keep it low when no one is home the weekend.
If you enter JOLLY mode using the specific function key, when time is up it goes
back automatically to programming in progress.
°C
T1 17
7dd 6.30 9 11.30 14 17 22.30 24h
JOLLY BACK TO AUTOMATIC MODE

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MANUAL
MAN mode allows you to set a fixed
temperature manually (Tman), ranging
from +2.0 to +40.0 degrees, without
expiring and without needing to modify the
weekly or daily program.
For example it can be used to keep the
house at a different temperature than that
of the daily program when no one is home, or to switch on the system remotely,
bringing it to a constant temperature.
°C
T3 21
24h
T1 temperature
settable from 2 to 40°C
OFF
OFF mode is used when you want to switch the system off.
It uses the temperature TA (antifreeze) as a reference, to guarantee protection of
the system at low temperatures.
TA is normally set at +5 degrees, but it can also be set at OFF, to switch the boiler
completely off. Weekly or daily programs remain unchanged.
SETTABLE TEMPERATURES
The system can use 4 different temperature levels, three for normal use and one,
called “antifreeze”, to be used when you wish to keep the boiler off, but without
risking having the fluid in the system freeze.
Programming of the three T is conditioned by reciprocal values:
T1 cannot be higher than T2,
T2 cannot be higher than T3.
The temperatures are set using the key
TEMP and and .
T1 ranges between +2.0 and +T2 degrees, with variations every tenth of degree
[default 17.0].
T2 ranges between +T1 and +T3 degrees, with variations every tenth of degree
[default 19.0].
T3 ranges between +T2 and +40.0 degrees, with variations every tenth of degree
[default 20.0].
TA (antifreeze) ranges between +2.0 and +7.0 degrees, with variations every tenth of
degree, or a can be OFF, when the boiler remains off [default 5.0].

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ADVANCED KEYS AND FUNCTIONS
USING THE SEL KEY
The SEL key allows you to select the operating mode of the chronothermostat,
according to the following programs:
HOLIDAY
AUTO
MANUAL
OFF
To change the selected program, press
SEL in sequence (cyclical). The first 3
statuses are signalled with a small text on the left of the display, while the OFF
status appears in the graphical area at the top.
USING THE TEMP KEY
In AUTO, HOLIDAY and OFF
Pressing
TEMP allows you to enter programming of the 4 temperatures used in
these statuses.
Change the temperatures using the arrow keys and , as long as T1 is no higher
than T2, T2 is not lower than T1 and higher than T3, T3 is not lower than T2.
Press
TEMP to go to the next temperature (cyclical) T1>T2>T3>Ta>T1.
Press to go back to the home page.
In JOLLY
Press
TEMP to program Tj;
Using and allows you to change Tj (between +2 and + 40°) while pressing
sends you back to the home page.
USING THE PROG KEY
PROG (brief) -> SETUP
Winter/PAG1/Set
using or you switch from Winter to Summer and vice versa
press to go to the next page and ENTER to exit from PROG .

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Hours HH : MM/PAG2/SEt
pressing cyclically increases the hours while decreases them.
press to change page and press
ENTER to exit PROG .
Min. HH:MM /PAG3/SEt
pressing cyclically increases the minutes while decreases them.
press to change page and press ENTER to exit PROG .
Year: YYYY/PAG4/SEt
pressing increases the years while decreases them
press to change page and press
ENTER to exit PROG .
Month: MM/PAG5/SEt
pressing cyclically increases the months while decreases them
press to change page and press ENTER to exit PROG .
Date: DD/PAG6/SEt
pressing cyclically increases the days while decreases them.
press to change page and press
ENTER to exit PROG .
PLEASE NOTE: when the date is set, the chronothermostat automatically
determines the day of the week.
Summer Time YES/PAG7/SEt
Automatically selects summer time, applicable in Europe and some of
the countries. This set up automatically updates the time when it changes
(March and October). Use or to say YES or NO. Press to go back to
page.1 (Winter/Summer) and press
ENTER to exit PROG .
PROG (long) -> CONFIG.
The display of day 1 appears, with the graphical display of the temperatures
each half hour, indication of the half hour and the associated temperature
( ).
Day 1 corresponds to Monday, and so on. Day H is the Holiday, which does
not Change during the week.

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Pressing moves forward a half hour
Pressing or moves up or down from tA to t1 to t2 to t3.
Press PROG (briefly) to change the day (1, 2, 3, 4, 5, 6, 7, H).
After H you go to page1 (Correction).
Press COPY to copy the temperature profile of the current day on
the following day. From page 1 on, pressing
ENTER allows you to exit
programming.
Press to go back to the previous half hour (even the day before).
N.B.: press at the start of day 1 to go right to page 1 (correction).
Correction/PG01/XX.X°
This allows you to modify the read temperature, which due to the recessed
wall installation or perhaps a non-ideal height might not indicate the true
temperature perceived.
It is recommended to calibrate it by comparing it with a thermometer
placed at the desired height/area.
Use and to modify the temperature value on the display.
Press to go to page 2 and ENTER to exit.
Celsius/PG02/XX.X°
This allows you to choose the temperature display scale between Celsius
and Fahrenheit degrees.
Press or to switch from Celsius to Fahrenheit.
Press to go to page 3 and ENTER to exit.
Light ON Xs/PG03
To adjust back lighting time of the display.
Pressing or allows you to set the programmable duration between
2 and 29 seconds. Press to go to page 4 and ENTER to exit.
Int. Light X/PG04
Allows you to modify the luminous intensity of the display, at 10 levels.
Press or to modify the brightness level (1-10).
Press to go to page 5 and ENTER to exit.
Italiano/PG05
Allows you to change the language used during programming.
Press or to cyclically switch from one language to another.
Press to go to page 6 and
ENTER to exit.

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Block? NO(YES)/PG06
Allows you to block the keyboard, with the 4-digit password. It only works
once and then must be re-enabled.
Pressing or switches from NO to YES, and press
ENTER to request
the password, entered with the arrow keys or , selecting the digits
with and .
Press ENTER to store it, going back to the normal operating display,
where only the function key
ENTER is visible. When you press it you
are requested to enter the password, using the arrow keys and
, followed by ENTER . The display goes back to normal programming,
enabling all the functions.
Press to go to page 7 and ENTER to exit.
Reset? NO (YES)/PG07
Press or to switch from NO to YES. Pressing ENTER, while “YES” is
displayed restores all the parameters (except date and time) to the default
values.
Press to go to page 8 and
ENTER to exit.
CH191 vX.Y/--/PG08
Displays the software version of the CH191 chronothermostat.
Press to go to the next page and
ENTER to exit.
EXT IN: ---/PG12
Allows you to modify management mode of the auxiliary input using keys
and to change:
---: not active
Connecting a probe- EC18 - EC19 - EC20 allows you to set:
VIS : visualisation of the temperature;
REG : regulation of room temperature with the external probe;
UP : use as maximum temperature threshold, to manage it you must:
press the key and set the desired maximum threshold using the
keys and .
This function deactivates the system when the temperature read by
the external probe is higher than the set temperature.
LOW : use as minimum temperature threshold, to manage it you
must: press the key and set the desired minimum threshold using
the keys and .

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This function deactivates the system when the temperature read by
the external probe is lower than the set temperature.
Connecting a voltage-free contact allows you to set:
ALR C :views an alarm in presence of closed contact. With this
function active, you may also enable a buzzer by pressing the key
followed by and .
ALR 0 :views an alarm in presence of an open contact. With this
function active, you may also enable a buzzer by pressing the key
followed by and .
Having selected
ALR C or ALR 0, pressing and allows you to
enable (ALM SND: ON) or disable (ALM SND: OFF) the buzzer after the
alarm is triggered. Press to go to the next page and
ENTER to exit.
BEEP ON (OFF)/PG14
enables or disables the beep upon pressing a key. The selection is made
by pressing and . Press to go to the next page and
ENTER to exit.
LED ON (OFF)/PG15
enables or disables switch on of the front LED (1 flash every 10 seconds).
The selection is made by pressing and .
Press to go to the next page and
ENTER to exit.
TOUCH TEST/PG16
This function is used by technical support. Exit by pressing and . If
the key
ENTER is pressed accidentally, the function is activated for about
5 minutes, after which it ends automatically. Press to go back to the
hourly programming menu.
TOUCH SENS. (MED)/PG18
This function indicates the level of touch sensitivity. The user can choose
between 3 levels (HI-MED-LO) by pressing the and keys. Press to
go back to the hourly programming menu.

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USING THE DISP
KEYThe DISP key allows you to view windows with different information regardless
of the operating status, only when in AUTO or HOLIDAY modes.
The following windows may be viewed:
Profile of the day / hour:min / Tamb
Currently set temperature (e.g T3=20.0°) / hour:min /Tamb
Dd/Mm/Yyyy / hour:min /Tamb
External probe/hour:min/Tamb
USING THE JOLLY KEY
The JOLLY key allows you to force a temperature to a fixed value for a preset
amount of time to replace normal operation.
The following window is displayed:
Duration of JOLLY status (HH h MM m) / hour:min / Tamb
Using the arrow keys and allows you to change the duration of the JOLLY
status with hourly steps. The Jolly temperature is set by pressing the key TEMP ,
which displays a window such as the following:
Tj=xx.x° / hour:min / Tamb
Modify the temperature by using the arrow keys and .
Pressing allows you to go back to view the “JOLLY status duration”.
To exit JOLLY status before time is up, change the number of hours to zero using the
arrow key , or else press SEL to go to the desired status (AUTO, MAN, HOLIDAY,
OFF).
USING THE OFF KEY
The
OFF key allows you to switch the system off, in whatever operating status it is
found. The following window is displayed:
OFF / hour:min / Tamb
The antifreeze temperature (Ta) can be programmed by pressing TEMP, from OFF

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(boiler always off) to an interval between 2.0 and 7.0°C, using the arrow keys and
. The following window is displayed:
Ta=x.x° / hour:min / Tamb
To go back to the OFF window, press the arrow key .
Pressing OFF again sends you back to the previous operating status.