Bticino HS4451 Instrucciones De Instalación página 4

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).
Chronothermostat
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 = antifreeze mode
Open contact =
Wiring diagrams
System used only for heating with
ON/OFF control
Example:
automatic consent in heater
✱ The correct use of the probe re-
quires the application of the sensor
on a surface which gradually reach-
es the temperature, not exposed to
heat or solar radiation sources.
External NTC sensor
connection ✱
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
places), use the screw supplied at the back of the base.
Front cover
plate
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 exam-
ple, with a telephone switchboard, telephone actuator, burglar
alarm system, etc.)
M
Heating and cooling system with
ON/OFF control
If you want to control both the heating and cool-
ing system, set up a two-way switch for selecting
Summer/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.
1
3
4