V3IS00785-030
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OPERATION
User manual
WALL-MOUNTING ELECTRONIC THERMOSTATS
Read all instructions carefully
DIMENSIONS
WIRING DIAGRAMS
LEGEND
INSTALLATION
2
Advanced programming
Reset
Setpoint modification
Depleted batteries signal
Error messages
Auxiliary input configuration
(only battery models)
Backlighting management
Night reduction
C
O
M
NA
NC
N
L
230V
~
C
O
M
NA
NC
AUXILIARY
INPUT
Thalos 230
Thalos
EST
“Room temperature”
Field
“Off”
Field
“Heating activation”
Field
“Cooling activation”
Field
“Night reduction activation”
Field
Key
“
” Decreases the selected field - active night reduction
Key
“
” Increases the selected field
Thalos Key 230
Thalos Key
Switch off
Normal operation
Note: in heating mode (winter), if the Thalos Key is off, it adjusts the antifreeze
Toff
temperature in order to prevent the system freezing.
Toff
can have values from 1 to 50° C or be excluded; in this case any minimum
temperature is guaranteed.
Replace the batteries as soon as possible!
Dispose of the batteries in
the appropriate recycling
containers.
Occurs in case of probe failure.
In this case the adjustment is inhibited and the relay
contacts remain in COM-NC position.
Occurs for the following values of measured temperature:
t < 0°C
t >50°C
Unhook and re-hook the thermostat from the base (battery models)
or remove and restore power (230V models).
During the flashing of the backlighting press the keys and
until the display shows
Def
.
Modification of the desired temperature (setpoint),
to increase to decrease
Normal operation
heating on (
)
or
3 sec.
3 sec.
19.8
19.9
...
Default values
Heating setpoint
21 °C
Cooling setpoint
25 °C
Minimum settable setpoint -
L0
2 °C
Maximum settable setpoint -
Xi
50 °C
Operating mode
(heating)
Antifreeze temperature
6 °C
Type of command
On /Off
Differential
0.3 °C
Auxiliary input
DIG
Password
- - - (desabled)
3 sec.
3 sec.
press
(only battery models)
“Night reduction” function reduces the
programmed setpoint by 3 °C.
Press for 3 seconds the key
to
activate (or deactivate, if already active)
the night reduction.
When the night
reduction is active, the
display shows the
symbol .
Vemer S.p.A.
I - 32032 Feltre (BL) • Via Camp Lonc, 16
Tel +39 0439 80638 • Fax +39 0439 80619
e-mail: [email protected] - web site: www.vemer.it
Mod.
THALOS KEY
Series of wall mounting electronic thermostats for temperature control both in
heating and cooling.
They perform actions of type 1B and are intended for operating in rooms with
Pollution Degree 2 and Overvoltage Category III (EN60730-1).
•
Thalos Key
battery powered has an auxiliary input for a temperature probe
configuration or of an external contact to reduce setpoint of 3 °C.
•
Thalos Key 230
AC-powered.
Code
Model
Description
VE718300
Thalos Key Bianco
Battery Thermostat with auxiliary input
VE719100
Thalos Key Nero
Battery Thermostat with auxiliary input
VE720900
Thalos Key 230 Bianco 230V Thermostat
VE721700
Thalos Key 230 Nero
230V Thermostat
SAFETY WARNINGS
During product installation and operation it is necessary to observe the
following instructions:
1) The instrument must be installed by a qualified person, in strict compliance
with the connection diagrams.
2) Do not power or connect the instrument if any part appears to be damaged.
3) After installation, inaccessibility to the connection terminals without appropriate
tools must be guaranteed.
4) The instrument must be installed and activated in compliance with current
electric systems standards.
5) Before accessing the connection terminals, verify that the leads are not live.
6) In the electrical system of the building where the instrument must be installed,
a switch and a protection device from the overcurrents must be present (for
Thalos Key 230 models only).
TECHNICAL SPECIFICATIONS
• Power supply Thalos Key:
– 2 alkaline batteries 1.5V (AAA type))
– battery life: 12 months
– low battery indication
• Power supply Thalos Key 230: – 230Vac (-15% ÷ +10%) 50/60Hz
– max absorption: 6 VA / 230Vac
• Wall mounting or to coverage the in-built three-modules box
• Terminals Thalos Key:
– 3 terminals for 1.5 mm
2
cable section for bistable output relay 5A / 250 Vac
– 2 terminals for 1.5 mm
2
cable section for auxiliary input (to connect a
temperature probe or an external contact to reduce setpoint of 3°C)
• Terminals Thalos Key 230:
– 3 terminals for 1.5 mm
2
cable section for monostable output relay 5A / 250 Vac
– 2 terminals for 1.5 mm
2
cable section for power supply
• Operating mode: summer/winter/off (with antifreeze operating mode)
• Password protected lock keypad
• Type of command:
– on/off with settable differential (0.1 ÷ 1 °C)
– P8 proportional with 0.8 °C band (-0.3 ÷ +0.5 °C) and period 8 minutes
– P15 proportional with 1.5 °C band (-0.7 ÷ +0.8 °C) and period 15 minutes
• Measurement precision: ±0.5 °C
• Measurement temperature resolution: 0.1°C
• Settable setpoint range: 2 °C ÷ 50 °C
• Operating temperature: 0 °C ÷ +50 °C
• Storage temperature: -10 °C ÷ +65 °C
• Operating humidity: 20÷90% non condensing
• Degree of protection: IP40
• Insulation: reinforced among accessible parts (frontal) and all other terminals
During normal operation the thermostat displays the measured temperature value and the relay status is identified by the symbol
(heating) or by
the symbol
(cooling).
REFERENCE STANDARDS
Compliance with Community Directives:
2014/35/UE (LVD)
2014/30/UE (EMCD)
is declared in reference to the harmonized standard:
• EN 60730-2-9
Minimum settable setpoint -
L0
It’s the minimum value settable as setpoint.
Settable values: 2 ÷ 50 °C
Maximum settable setpoint -
KI
It’s the maximum value settable as setpoint.
Settable values:
L0
÷ 50 °C
Operating mode -
E-I
if connected to the boiler (heating)
if connected to a cooling system
Antifreeze temperature - Toff
Minimum temperature maintained with Thalos Key off
(see box «Switch off»).
Settable values: 1 ÷ 50 °C or --- (excluded function)
Type of command -
REG
- (only in heating)
0
= on/off with settable differential
P8
= proportional with band 0.8 °C and period 8 minutes
P15
= proportional with band 1.5 °C and period 15 minutes
Differential -
d0.3
- (only for on/off regulation)
Differential (or hysteresis) for temperature regulation.
Settable values: 0.1 ÷ 1 °C
Input configuration - Est
- (only battery models)
-
^
_[
for one temperature probe connection
-
DIG
for an external contact connection to reduce setpoint
(see box “Auxiliary input configuration”)
Password for keypad lock -
PAS
Set a value between 001 and 999 to activate the keypad lock.
Set
“
---
”
to disable the lock.
If the keypad lock is active, pressing one key
LoC
appears and
the password is required. If it’s properly inserted the keyboard
is unlocked for the next 30 seconds.
• Thalos Key series thermostats are designed for wall mounting installation. Alternatively, they can be installed to cover the in-built three-modules box.
• Install the thermostat at a height of 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 terminals block
on back of the base, as shown in the
“wiring diagrams”
.
Fix the base on the wall using the
screws supplied.
For battery-powered models only: insert the
batteries into the battery compartment on the back
of the thermostat, respecting the indicated polarity.
Attach the thermostat to the base,
at first mating teeth on the higher
side.
1
1
2
To enter menu Advanced programming keep simultaneously pressed
for 5 seconds the keys and until
PR
will appear.
The items of the menu are displayed in succession. For each item is
displayed an identity breviation and its relative blinking value.
Use the keys and to modify the value. The passage to the next
parameter occurs after 3 seconds without pressing any key.
The writing
END
will appear when all parameters are set and the
thermostat returns to normal operation saving the effected modifications.
Models battery powered have a auxiliary input that can be
configured for connection instead of:
- an external temperature probe
- an external contact for the set-point temperature reduction.
Closed external contact allows setpoint reduction of 3 °C
than the set one. Display shows the symbol .
For auxiliary input configuration, see “Advanced programming” on this manual.
•
Battery models
In the battery-powered supplied models the display backlighting is normally
OFF and it is enabled (blue colour) entering menu: setpoint modification,
advanced programming, pin enter.
•
Models 230V
In the 230Vac power supplied models the display backlighting is normally ON.
Backlighting switching OFF
If not desired the backlighting function can be disabled (for example in
bedrooms). Then the thermostat continues its normal operation and the
backlighting is enabled entering menu: setpoint modification, advanced
programming, pin enter.
11-2017
5 sec.
3 sec.
3 sec.
