Vemer Chronos Key Bedienungsanleitung
Cronotermostato
Digitale
CHRONOS KEY
Manuale d’Uso
User Manual
DIGITAL PROGRAMMABLE THERMOSTAT
English
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CHRONOS KEY Programmable Thermostat User Manual
■Dimensions Page 4
■Connection diagram Page 4
■Safety warnings Page 5
■Technical specifications Page 6
■Display and keypad Page 7
■Installation Page 9
■Programming 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
■Manual operation Page 21
■Off operation Page 22
■Backlight management Page 24
■Minimum and maximum value Page 25
■Summer time change Page 25
■Regulation type Page 27
■Timings: what they are Page 29
■Instrument reset Page 31
■Battery replacement Page 31
■Reference standards Page 32
■Default values Page 33
■Winter preset programs Page 34
■Summer preset programs Page 35
Index
English
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CHRONOS KEY Programmable Thermostat User Manual
Digital programmable thermostat CHRONOS KEY
• 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
• Wall-mounted or covered installation
of box 503
• Weekly programming with 3 different
settable temperatures
English
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CHRONOS KEY Programmable Thermostat User Manual
Digital programmable thermostat CHRONOS KEY
Model Chronos Key
230 Bianco
Chronos Key
230 Nero
Chronos Key
Bianco
Chronos Key
Nero
Power supply
230Vac 50/60 Hz batteries 2 x 1,5V (type AAA)
Display blue backlight
(can be switched off)
blue backlight
(activated with a key touch
for 30 seconds)
Digital input — Configurable as input for
external probe or phone dialler
Installation Wall-mounting
(or to cover three-module built-in box)
English
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CHRONOS KEY Programmable Thermostat User Manual
DIMENSIONS
CONNECTION DIAGRAM
COM
NA NC
NL
230V~
COM
NA NC
CONTATTO
ESTERNO
COM
NA NC
NL
230V~
COM
NA NC
EXTERNAL
CONTACT
Thalos 230
Thalos
With external contact closed:
Setpoint = Setpoint programmed- 3°C
CONTATTO
CESTERNO
se contatto esterno chiuso:
Chronos spento
Chronos Key 230 Chronos Key
AUX
English
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CHRONOS KEY Programmable Thermostat User Manual
■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 of it is damaged.
3) After installation, inaccessibility to the connection terminals without
appropriate tools must be guaranteed.
4) The instruments 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 instrument must be
installed, a switch and a protection device from the overcurrents must be
present (for Chronos Key 230 models only).
Code Model Description
VE725800 Chronos Key Bianco Programmable thermostat with battery in white
VE726600 Chronos Key Nero Programmable thermostat with battery in black
VE727400 Chronos Key 230 Bianco Programmable thermostat 230 V in white
VE728200 Chronos Key 230 Nero Programmable thermostat 230 V in black
SAFETY WARNINGS
Electronic touch screen programmable thermostats series with wall-mounting suitable
for the temperature control in household. Two versions are available:
■CHRONOS KEY, battery-powered, with a blue backlight display and with an input
for the connection of an external temperature probe or an external contact to switch
on/off the remote programmable thermostat (by telephone).
■CHRONOS KEY 230, mains powered supply, with a blue backlight display.
These instruments perform actions of 1B type and are intended for operating in
environments Pollution degree 2 and Overvoltage Category III (EN 60730-1).
English
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CHRONOS KEY Programmable Thermostat User Manual
TECHNICAL SPECIFICATIONS
• Power supply Chronos Key:
– 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 Key 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 Key:
– 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 (external probe or on/off
with telephone activator)
• Terminals Chronos Key 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
• Setpoint range: 2 ÷ 35 °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
English
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CHRONOS KEY Programmable Thermostat 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
Graphic of the active program for the current date (in automatic operation)
⑨
Off operation
⑩
Measured temperature of the external probe
DISPLAY AND KEYPAD
English
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CHRONOS KEY Programmable Thermostat User Manual
■
Keypad
The keys have different functions according to the instrument 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 key, the display is blue.
■Cleaning the display
To clean the display use a soft, lint-free cloth, without using excess force.
English
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CHRONOS KEY Programmable Thermostat User Manual
INSTALLATION
• The programmable thermostats of Chronos Key series are designed for wall-
mountig. Alternatively, they can be installed to cover three-module built-in box.
• The programmable thermostat must be installed at a height of about 1.5 m above
the floor, keep away from direct sunlight, far 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
“connection diagram”.
Fix the base on the wall using the
screws supplied.
Only for battery power supply models
only: insert the batteries into the
battery compartment on the back
of the programmable thermostat,
respecting the polarity
Hook the programmable thermostat
to the base, at first matching teeth
with the higher side.
1
1
2
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