Chronothermostat; Technical Information - Bticino HC4451 Manual De Instrucciones

Installation
GB
The Chronothermostat can be flush-mounted or wall-mounted
using Axolute, Living International, Light and Light Tech boxes,
supporting frames and plates (3 DIN modules).
Wall-mounting
box
Supporting
frame
Connections
Max conductor size: 2x 2,5 mm2
Capacity of contacts: 5(3)A
To loads to be
checked
Remote activation
Closed contact =
Open contact =
Wiring diagrams
System used only for heating with ON/
OFF control
Example:
automatic consent in heater

Chronothermostat

The correct use of the probe requires the
✱
application of the sensor on a surface
which gradually reaches the tempera-
ture, not exposed to heat or solar radia-
tion sources.
External NTC sensor
connection ✱
antifreeze mode
weekly program
(last selected)
System used only for heating with
OPEN/CLOSE control
Example:
motorized valve control – Open (NO)/Close (NC)
If it is necessary to lock the Chronothermostat in place (e.g. public plac-
es), use the screw supplied at the back of the base.
Front cover
plate
1,5m
2

Technical information

• Operating temperature: 5°C ÷ 35°C
• Power source: 2 LR6/AA 1.5V alkaline batteries
• Minimum time between a programmed operation and the next:
15 minutes
• Temperature values that can be set: 3°C ÷ 40°C (with a 0.1°C minimum
interval)
• Accuracy of controlled temperature: ± 0.5°C
• Average battery life: 1 year
• Flush-mounting or wall-mounting installation
• Voltageless output contact rate: 5(3)A
• Possibility of connecting an external probe for a temperature (item
3457) with the following features: R (25°C) = 10k
BETA = 3435 - max. connection length 10 metres
• Possibility of remote controlling the Chronothermostat (for example,
with a telephone switchboard, telephone actuator, burglar alarm sys-
tem, etc.)
M
Heating and cooling system with
ON/OFF control
If you want to control both the heating and cooling
system, set up a two-way switch for selecting Sum-
mer/Winter, as shown in the picture.
When the season changes, set the two-way switch
to the required position and switch over to Summer/
Winter on the Chronothermostat.
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