CAME TA/450 Installation guide

Category
Thermostats
Type
Installation guide
En
g
l
i
s
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FA01433-EN
Digital thermostat
TA/450
USE AND INSTALLATION MANUAL
Page 2 - Manual FA01433-EN - 03/2020 - © CAME S.p.A. - The contents of this manual may be changed, at any time, and without notice. - Translation of the original instructions
General precautions
Important safety instructions. READ CAREFULLY!
Make sure that the power supply network is equipped with an all-pole cut-o device
which provides category III protection against power surges, as required by the
installation regulations.
Installation, programming, commissioning and maintenance must only be carried out
by qualifi ed, expert sta and in full compliance with the applicable law.
Wear anti-static clothing and footwear if performing work on the circuit board.
Keep this information.
Always cut o the mains power when during cleaning and maintenance work.
This product must only be used for the purpose for which it was designed. Any other
use is dangerous.
The manufacturer declines all liability for any damage as a result of improper, incorrect
or unreasonable use.
Risk of explosion if the batteries are replaced with others of the wrong type.
Once the batteries are fl at, do not treat them as unsorted general waste. Dispose of
them separately for recycling.
DISPOSAL - Dispose of the packaging material responsibly, in compliance with the
laws in force in the country in which the product is used.
At the end of the product’s life cycle, make sure it is disposed of responsibly. The
equipment must be disposed of in compliance with current laws, and its components
recycled where possible. The components that should be recycled are marked with
the material’s ID marker.
Legislative references - This product complies with the relevant directives in force.
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User profi les; the active profi le is
highlighted.
Battery charge.
Replace the batteries within a
month.
Batteries fl at ( ).
Temperature control lock active.
Thermal zone excluded from
control (anti-freeze active).
NIGHT TIME temperature level
active.
ECO temperature level active.
Remote activation in progress.
Anti-freeze temperature.
Cooling mode active. Icon active
= cooling in progress.
Heating mode active.
Icon active = Heating in
progress.
Buttons to change the values
shown.
Detected temperature / current time.
Button for selecting the infor-
mation shown on the display
(temperature/time).
Button to activate temperature
levels
(COMFORT, ECO and NIGHT).
Description of device
Description of the icons on the display and function of buttons
WARNING!
To clean the device, only use a soft damp
cloth.
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Reset button.
Set the time.
Set the operating parameters.
Select the device operating mode.
COOLING - HEATING - OFF
Select the user profi le.
Select the function associated with an auxiliary contact; window
contact or remote activation.
Setting the anti-freeze temperature.
Display system operating time divided by temperature level.
Internal button functions
To access the internal control buttons, open the front panel on the device.
1
2
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Install the device in a position which is
suitable for correctly reading the room
temperature, for example on an inside
wall. Avoid installing the device in alcoves,
behind doors or curtains, or near heat
sources.
press button and separate the base
from the body of the device .
Remove the protective casing from the
terminal board .
Fasten the base to the recessed back box,
threading the connection cables through
the opening .
Note. Do not overtighten the fi xing screws.
Installation
NC NA
C
12
NC NA
C
12
OFF
230V~
50 Hz
OFF
230V~
50 Hz
NC NA
C
12
L
N
M
NC NA
C
12
L
N
OFF
230V~
50 Hz
OFF
230V~
50 Hz
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The connections are made according to
the type of equipment controlled by the
programmable thermostat.
KEY
Mains power supply wires.
N = neutral.
L = phase.
Relay contacts.
C = common.
NA = normally open contact.
NC = normally closed contact.
Loads
U1 = burner, circulation pump, solenoid
valve, etc.
U2 = motorised valve.
Inputs for remote control or magnetic
contact.
1 input, 2 input.
NOTE. For connection information, please
refer to the device technical documen-
tation.
Please comply with the ratings on la-
bel 5(2)A by implementing the correct
load-protection systems.
Reposition the terminal cover .
Electrical connections
Connection
for remote activation
Connection
for magnetic contact
LOAD
LOAD
U2
U1
CLOSED
OPEN
OPEN
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Insert 3 alkaline LR03 AAA 1.5V batteries
in the relevant compartments. Match up
the poles as marked inside the compart-
ments .
Inserting the batteries the wrong way
round could damage the unit.
If the instructions on the display do not
appear within 10 seconds, press the
reset button R.
Attach the device to the base as shown
in fi gure .
For information on removing/replacing the
front panel, see fi gure .
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Press button to display the
time.
Press button .
The minute digits are fl ashing.
Programming and using the device
Setting the time
Use buttons to set the exact
number of minutes .
Press button .
The hour digits are fl ashing.
Use buttons to set the exact
time .
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Press button to end the date
and time setting procedure .
The colon between the hours and
minutes fl ashes to confi rm the
operation is complete.
Note. After 15 seconds of inactivity, the unit automatically exits the procedure, saving
the last data set.
Note. Every time the buttons are pressed, the digits on the display increase or
decrease by one; by pressing and holding the buttons, the digits slowly move on one for
the fi rst 5 seconds, then this speeds up.
Selecting the user profi le
Press button to activate
one of the two available profi les.
Each profi le can be programmed
independently and activated
at any time by taking over the
active profi le.
Press button repeatedly
to choose the operating mode for
the thermal zone.
Heating.
Cooling.
O .
Selecting the system operating mode
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Press button .
The default anti-freeze temperature
is shown on the display (3°C).
The buttons can be used to
vary the programmed anti-freeze
temperature to between 3°C and
16°C.
Press button to exit and save
the value set.
OFF mode
The icon is shown and the room
temperature disappears for 5 sec-
onds to confi rm that the thermal
zone has been excluded from
system control .
Note. Even if the zone is excluded
from control, the anti-freeze func-
tion is active.
Programming the anti-freeze temperature
Activating a programmed temperature level (comfort, eco, night)
Press button to choose one of
the 3 programmed temperature
levels.
Each time the button is pressed,
the name of the programme being
activated is shown in sequence on
the screen:
- -
In heating mode
Comfort 20.0°C
Eco 18.0°C
Night 16.0°C
In cooling mode
Comfort 24.0°C
Eco 26.0°C
Night 28.0°C
Once you have selected the desired programme, the temperature associated with the
selected programme is shown on the screen for 2 seconds before returning to the display
showing the detected room temperature.
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Temporary variations to the programmed temperature level
Use buttons to select a
di erent temperature value from
those programmed.
The new programmed tempera-
ture level cancels the existing programming: all the icons related to profi les and pro-
grammed temperatures disappear from the screen.
Note. The new programmed temperature level remains active until one of the programmes
(ECO, NIGHT and COMFORT) or a user profi le is activated.
= ECO programme active.
= NIGHT programme active.
Customising the programmed temperature levels (Eco, Night and Comfort)
Select the user profi le ( ) for which you want to customise the programmed tem-
perature levels. Press button to choose the operating mode for the thermal zone (
Heating, Cooling) for which you want to change the programming.
Press button P .
The fi rst temperature level pro-
gramme is shown on the display
(COMFORT).
ON ON
OFF
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The buttons can be used to
vary the set temperature for the
COMFORT programme.
Press button P to confirm the
temperature value shown on
the display and move on to pro-
gramming the next temperature
level (ECO).
Repeat the above procedure to change the programming for all temperature levels (ECO,
NIGHT and COMFORT).
NOTE. When programming is complete, the display fl ashes for 2 seconds to confi rm
the change.
Temperature
Setpoint
+ di erential
Setpoint
– di erential
Setpoint
Time
Setting the type of heat management algorithm
The device lets you choose the type of algorithm to apply to manage the system: di er-
ential or proportional-integral.
Activating and confi guring the di erential algorithm
This type of adjustment system
is recommended for systems
that are especially hard to control
due to extreme variations in the
outdoor temperature.
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Activate operating mode OFF.
Press button P until
shows on the display .
Use buttons to activate/
deactivate the di erential algo-
rithm .
= Di erential active.
= Di erential not active.
With the differential active
( ), press the P button
on the screen to read the thermal
di erential value set .
Use buttons to set the dif-
ferential value to a value between
0°C and 0.9°C .
By setting the di erential to 0°C, a minimum on/o time of 1 minute is observed during
operation, regardless of the room temperature.
Press button P to exit programming mode.
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With the di erential not active
( ) , press the P but-
ton to access the section where
you can select one of the pro-
portional-integral programmes
available .
Use the buttons to select
the programme you want from
P1, P2, P3 and P4 (see graph
and table ); press the P button
to confi rm your choice and fi nish
programming.
If you have chosen programme P4, press the P button to access programming for the
individual parameters in programme P4 (manual).
Activating and confi guring the proportional-integral algorithm
This algorithm allows the programmable thermostat to reduce the boiler ignition cycles
as the room temperature approaches the set temperature, thus considerably reducing
consumption while maintaining an optimal level of comfort.
There are three pre-set programmes available, suitable for di erent types of systems
(P1, P2 and P3), or a fully manual programme (P4).
The fi rst parameter is the duration
of the ignition cycles .
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Use buttons to choose the
cycle duration: 5, 10, 15, 20, 25,
30, 35 or 40 minutes .
Press button P to confi rm the
set cycle time and proceed with
adjusting the minimum ON time.
Use buttons to choose the
minimum ON time between 1 and
5 minutes.
Press button P to confirm
the minimum ON time set and
proceed with adjusting the pro-
portional band.
Use buttons to adjust the
value of the proportional band to
between 1°C and 3°C.
The graph and table can be used to help decide on the programme type or parameter
values to be entered.
Press button P to exit programming mode.
Note. All parameters for confi guring the type of thermal management algorithm are saved
in the device’s permanent memory.
1 h
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Temperature
Prog.
Cycle
duration
(minutes)
Minimum ON
time (minutes)
Proportional
Band Type of system
P1 10 1 1.5°C Base for gas burner, fan-coil units, zone
valves and aluminium radiators
P2 5 1 1.5°C Electric radiators
P3 20 2 1.5°C Radiant or underfl oor systems, cooling
systems
P4 from 5 to 40 from 1 to 5 from 1°C to
3°C
Time
Setpoint
Changing the calibration of the temperature detection sensor
If the location of the device does not allow the temperature to be read correctly, the
detected temperature can be changed by ±3°C, in tenths of a degree.
Activate operating mode OFF.
Press button P .
Use buttons to set the
desired correction value.
Note. The setting is saved in the
device’s permanent memory.
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Confi guring auxiliary input operation (terminals 1-2)
Auxiliary input used for remote activation
By connecting a specifi c interface to terminals 1-2 (see “Electrical connections” on page 6),
the COMFORT programme can be activated remotely for the relevant season.
Press button .
Use buttons to select the
function for the input:
= input enabled to activate
the COMFORT programme in heating
mode.
= input enabled to activate
the COMFORT programme in cooling
mode.
= input for remote activa-
tion disabled.
Press button to confirm pro-
gramming.
With (input for remote acti-
vation disabled), press button .
Note. To activate the set mode, close the contact and keep it closed (after approximately
5 seconds, the device will perform the action). To restore the previous condition, open
the contact and keep it open.
Auxiliary input used as window contact
By connecting a NO contact to terminals 1-2 (see “Electrical connections” on page 6),
you can ensure that when the contact is opened (generally applied to doors or windows),
boiler ignition is stopped until the contact is closed again.
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Use buttons to enable/
disable the window input.
= Input disabled.
= Input enabled.
Press button to confi rm
programming.
If boiler ignition is cancelled be-
cause the input is open,
appears on the display.
Note. To switch off the thermal
zone, open the contact and keep it open (after approximately 5 seconds, the device will
perform the action). To restore the previous condition, close the contact and keep it closed.
Locking temperature level settings
To prevent the programmed levels
from being changed or the tem-
perature level from being changed
manually, press buttons P and
for three seconds.
Use buttons to enable/
disable the lock.
= Lock disabled.
= Lock enabled.
Press buttons P and to confi rm
programming.
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Resetting the device
Malfunctions or other technical issues
may require the unit to be reset.
Press button R .
This operation DOES NOT delete any
customised programming.
Restoring factory settings
To restore all factory settings, reset the device using the R button (see previous paragraph),
then (within 10 seconds) press buttons + + at the same time (if the reset is
successful, the version number of the device will show), before pressing the R button again.
Replacing the batteries
The fl ashing icon on the display G indicates that the batteries will need to be replaced
within approx. 1 month. When appears on the display together with the symbol,
the unit is no longer in operation and the thermal zone is no longer being controlled.
Once the fl at batteries have been removed, you have 2 minutes to insert the new batteries
(3 alkaline LR03 AAA 1.5V batteries); after this time, the device
is reset and the time setting is lost but the other existing settings are saved (any customised
programming etc.).
WARNING! Failure to replace the batteries promptly may cause damage to the heating system
(anti-freeze is no longer guaranteed).
Positioning the batteries incorrectly may damage the appliance.
The use of fl at batteries may cause operating malfunctions.
System operating time
Press button C.
The operating time is displayed
for 5 seconds.
To reset the counter, press button
when the value is shown on
the display.
CAME S.p.A.
Via Martiri Della Libertà, 15
31030 Dosson di Casier - Treviso - Italy
tel. (+39) 0422 4940 - fax. (+39) 0422 4941
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Technical characteristics
• Home appliance.
Independently installed electronic
device.
LCD graphics display.
Power supply: 3 alkaline LR03 AAA 1.5V
batteries.
Battery life: more than 2 years.
Relay characteristics: max. voltage
250V, max. current 5A with resistive
load, 2A with inductive load.
Type of action: 1B-U.
Available contacts: 1 NO-NC switch
contact.
Room temperature measuring interval:
15 seconds.
Reading resolution: 0.1°C.
Accuracy: ≤ ±0.3 °C.
• Class A software.
Degree of pollution: 2.
Impulse voltage: 4 kV.
Maximum temperature of the control
head: 40°C.
Protection rating: IP30.
Electrical insulation class II.
Size: 120x86x20 mm.
Operating temperature: 0°C to +40°C.
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CAME TA/450 Installation guide

Category
Thermostats
Type
Installation guide

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