Vemer Keo-B LCD Manual

Vemer Termostat Keo-B LCD

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1 8 OPERATIONUser Manual
ELECTRONIC THERMOSTATS
Read all instructions carefully
6ADJUSTABLE COVER PLATES
PACKAGE CONTENTS
2
3WIRING DIAGRAMS
4LEGEND
5BATTERY KEO-B LCD REMOVAL
7INSTALLATION
Advanced programming
Reset
Setpoint modification
Depleted batteries signal
(Keo-B LCD only)
Error messages
Auxiliary input configuration (for Keo-B LCD only)
Backlighting management
thermostat
frames and plastic elements are available in white and anthracite grey colours
frames
VI plastic
elements BM plastic
elements
A mount
AIR mount
B mount
COM
NA NC
N L
230V~
AUXILIARY
INPUT
Keo-A LCD Keo-B LCD
COM
NA NC
1 2 3 4 5 1 2 3 4 5
EST
Switch off
Normal operation
Note: in heating mode (winter), the device if off, it regulates according to the
antifreeze temperature Toff in order to prevent freezing of the system.
Toff can have values from 1 to 10° C or be excluded; in this case any minimum
temperature is guaranteed.
Replace the batteries as soon as
possible! Dispose of batteries
in the appropriate recycling
containers.
Occurs in case of probe failure.
In this case the regulation is inhibited and the relay contacts
remain in position 2-3.
Occurs for the following values of measured temperature:
t < 0°C
t > 50°C (t > 60°C with external probe)
Reset to delete the settings you
made and reload the default
values. To reset:
1 remove and restore power
to the device (Keo-A LCD) or
remove it from the base and
re-insert it (Keo-B LCD).
2 during the flashing of the backlighting press the keys and until will appearDEf .
The removal of the device occurs pulling on the convexity of the frame (box 5).
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 35°C
Operating mode (heating)
Antifreeze temperature 6°C
Regulation type On /Off
Auxiliary input DIG
Password - - - (desabled)
3 sec.
Vemer S.p.A.
I - 32032 Feltre (BL) • Via Camp Lonc, 16
Tel +39 0439 80638 • Fax +39 0439 80619
e-mail: info@vemer.it - web site: www.vemer.it
MKIS00744-022 EN Mod. KEO-A LCD
KEO-B LCD
Flush-mounting electronic thermostats for temperature control both in heating
and cooling. They perform actions of type 1B and are intended for operating in
environments with Pollution Degree 2 and Overvoltage Category III (EN60730-1).
• , with battery power supply and configurable auxiliary input for Keo-B LCD
the connection of a temperature probe or an external contact with whom to
reduce the setpoint of 3°C.
• Keo-A LCD with mains power supply.
Code Model Description
VE267100 Keo-B LCD Battery thermostat with auxiliary input
VE558300 Keo-A LCD 230V Thermostat
SAFETY WARNINGS
During product installation and operation it is necessary to observe the
following instructions:
1) 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
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
device
must be installed, a
protection device from the overcurrents must be present (for KEO-A LCD only).
TECHNICAL SPECIFICATIONS
• Power supply Keo-B LCD: – 2 alkaline batteries 1.5V (AAA type)
– battery life: 12 months
– depleted batteries indication
• Power supply Keo-A LCD: – 230Vac (-15% ÷ +10%) 50/60Hz
– max absorption: 6 VA / 230Vac
• Installation on 3 modules box (503 type)
• Terminals Keo-B LCD:
– 3 terminals for 1.5 mm2 cables for output relay 5A / 250 Vac
– 2 terminals for 1.5 mm2 cables for digital input (3°C setpoint reduction)
• Terminals Keo-A LCD:
– 3 terminals for 1.5 mm2 cables for bistable output relay 5A / 250 Vac
– 2 terminals for 1.5 mm2 cables for power supply
• Operating mode: summer/winter/off (with antifreeze)
• Password protected lock keypad
• Regulation type:
– 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
• Setpoint range: 2°C ÷ +35°C
• Operating temperature: 0 °C ÷ +50 °C
• Storage temperature: -10 °C ÷ +65 °C
• Operating humidity: 20÷90% non condensing
• Protection degree: IP40
• Insulation: reinforced among accessible parts (frontal) and all other terminals
During the standard operation the thermostat displays the detected temperature value and the relay status is identified by the symbol (heating mode)
or the symbol (cooling mode).
Minimum settable setpoint - L0
It’s the minimum value settable as setpoint.
Settable values: 2 ÷ 35°C
Maximum settable setpoint - KI
It’s the maximum value settable as setpoint.
Settable values: ÷ 35°CL0
Operating mode - E-I
if connected to the boiler (heating)
if connected to a cooling system
Antifreeze temperature - Toff - (only in heating)
Minimum temperature maintained with device off
(see box «Switch off»).
Settable values: 1 ÷ 10 °C or --- (excluded function)
Regulation type - 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 for Keo-B LCD)
- for the connection of a temperature probe^_[
- DIG for the connection of an externa contact to reduce the
setpoint (see box “Auxiliary input cnfiguration”)
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 appearsLoC
and the password is required. If it’s properly inserted the
keyboard is unlocked for the next 30 seconds.
To enter menu Advanced programming keep simultaneously pressed for 3 seconds the
keys and until will appear. PR
The items of the menu are displayed in succession. For each item is displayed an identi-
fication abbreviation 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. Once all parameters are set the writing is END
displayed and the thermostat returns to normal operation
saving the effected modifications.
“Environment temperature” field
“Off”
field
“Heating activation” field
“Cooling activation” field
“Active night reduction” field
Key “▲” increases the
selected field
Key “▼” decreases the
selected field
The adapters inside the box allow the monitoring of the following cover
plates:
For information about the possibility to adapt the thermostat with different
cover plates from those listed, contact the Technical Service.
* through mount that you can buy on request (code VE767500)
• All the above trademarks are the property of their respective owners.
ABB Chiara series
ABB Mylos series
Ave S44 series
Bticino Axolute series
Bticino Axolute Air
Bticino Light series
Bticino Light tech series
Bticino Living series
Bticino Livinglight series
Bticino Livinglight Air series
Bticino Matix series
Gewiss Chorus series
Vimar Eikon series
Vimar Eikon Evo series
Vimar Idea series
Vimar Plana series
Vimar Arké series
• 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.
• Install the white or anthracite grey frame according to your preferences by
hooking it to the cogs of the device.
• Make the connections by respecting the diagrams described in this manual.
• Fix the device inside the 3 modules box in compliance with the assembly
diagrams described on the back of this instruction sheet. The accessories
for the installation included in the package allow the mounting of the plates
described in the diagram “adjustable plates” and they are:
- mount A
- mount B (it could be necessary to remove the side cogs)
- mount AIR
- couple of side BM plastic elements (both of white colour and grey colour)
- couple of side VI plastic elements (both of white colour and grey colour)
- frames of white colour and anthracite grey.
The Keo-B LCD has a configurable auxiliary input for the connection to
alternative to:
- an external temperature probe
- an external contact for reducing the set temperature.
With closed contact, the setpoint is reduced by 3 °C
than the set one and the symbol appears on the display.
To configure the auxiliary input, see “Advanced programming” in this manual.
• Keo-B LCD
The keo-B LCD has a backlighting of blue colour that is normally off and turns
on when you enter the menu: setpoint modification, advanced programming,
pin enter.
• Keo-A LCD
The Keo-A-LCD has a backlighting of blue colour which is on during normal
operation.
If the installation makes it necessary (for example bedrooms) you can turn off
the backlighting. In this condition the thermostat continues to operate normally
and the backlighting turns on when you enter setpoint modification menus,
advanced programming, pin enter.
06-2017
REFERENCE STANDARDS
Compliance with Community Directives
2014/35/EU (LVD)
2014/30/EU (EMCD)
is declared with reference to the following harmonized standards:
• CEI EN 60730-2-9
3 sec
3 sec.
3 sec
3 sec

Produkt Specifikationer

Mærke: Vemer
Kategori: Termostat
Model: Keo-B LCD

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