LEGRAND 3440 - Page 307

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REMOTE
Made in Italy
OFF
ON
BUS
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5739 18 (White)
5739 19 (Magnesium)
067456
3550
Description
This central unit can manage temperature control systems up to 99 zones, set the system
and modify the system operating mode. It is more complete than the 4-zone ush
mounted version; in fact just with this central unit it can manage the magnetic contacts
installed on the window frames to activate the energy-saving function (switching OFF
the zones aected by any changes of air).
Equipped with management software with guided menus shown on the display, it
allows the user to chose the operating mode, display the temperatures of the various
zones and display and modify the daily temperature proles and the weekly programs,
while the maintenance menu, reserved for the installer (password protected), allows
access to the system settings (zone conguration, system test, total reset, etc.).
The Central unit can provide both heating and cooling and can manage up to 99 dierent
zones (with one Master probe for each zone plus possible Slave sensors) and up to 9
circulation pumps.
A contact can be connected in input for remote control by means of a telephone actuator
to switch from the anti-freeze mode to the automatic mode and vice versa.
By using the serial connector and the TiThermo software, it is possible to program the
unit from a PC.
Related articles:
801 24 (Flush mounting box)
682 44 (Cover White)
685 44 (Cover Titanium)
Legend
1. Graphic display: shows the messages which guide the programming operations
and the system state.
2. Navigation keypad: allows navigation within the menus and conrms or deletes
programming operations.
3. Alphanumeric keypad: allows manual entry of all those programming operations
which require the use of numbers and/or symbols.
4. Battery compartment: housing for battery item 3507/6.
5. Reset pushbutton: pushbutton to reset the hardware.
6. Serial connector: connects to a PC via cable item 335919 (for RS232) or item 3559
and 049234 (for USB).
7. Remote control: connection clamp.
8. BUS: BUS connection clamp.
9. Switch ON/OFF
Technical data
- Power supply from SCS BUS: 27 Vdc
- Operating power supply with SCS BUS: 18 – 27 Vdc
- Max. absorption: 75 mA
- Operating temperature: 0 – 40 °C
- Temperature adjustment range: 3 - 40 °C +/– 0.5 °C
- Size: L=140 mm, H=210 mm, D=35 mm
99-zone central unit
Front view
Rear view
MQ00187-c-EN 29/04/2014