LEGRAND MyHOME Guide de l'utilisateur
www.homesystems-legrandgroup.com
Installer manual
Thermostat with display
H/LN4691 - 0 674 59 - 64170
Thermostat with display
Installer manual
3
Contents
3
Thermostat with display
Installer manual
1 Introduction 4
1.1 Warnings and recommendations 4
2 Description 5
2.1 General features 5
2.2 Front view 6
2.3 Rear and side view 7
3 Possible applications 8
3.1 Installation 8
3.2 Function comparison table 10
4 Configuration 11
4.1 Physical or advanced configuration 11
5 Functions and operating modes 12
5.1 Heating and cooling function 12
5.2 Automatic changeover function
(available starting from version 1.3 of MyHOME_Suite) 13
5.2.1 Automatic changeover in automatic or manual mode (fixed set-point) 14
5.2.2 Automatic function in Comfort, Eco, and Protection mode 15
5.3 Example of installation diagram 17
5.4 Operating modes 20
5.5 Fan-coil speed 20
6 Programming 21
6.1 Display items 21
6.2 Temperature calibration detected 24
6.3 Modification of the set-point using the keypad 25
7 Appendix 26
7.1 Installation height 26
7.2 Technical data 26
7.3 In case of error 27
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Thermostat with display
Installer manual
1.1 Warnings and recommendations
Before proceeding with the installation it is important to read this manual very carefully.
The guarantee is automatically void in case of negligence, improper use, tampering by unauthor-
ised personnel.
The thermostat is only suitable for indoor installation.
1 Introduction
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Thermostat with display
Installer manual
2.1 General features
The thermostat with display can be used both in heating and in air conditioning systems, and gives
the possibility of adjusting the temperature on 5 levels. Comfort, Eco, Antifreeze / Thermal Protec-
tion, Automatic, and Manual.
Based on the type of use, the backlit display will show the following information: the current func-
tion or mode (heating, cooling, or automatic function; Comfort, Eco, Antifreeze / Thermal Protec-
tion, Automatic, Temporary Manual, or Off ), the detected room temperature, the temperature set
point defined, the fan-coil speed, and the status of the zone.
The thermostat can be used in MyHOME temperature control systems (MyHOME probe with cen-
tral unit), hotel room systems, or residential systems (individual system). The configuration can be
done by connecting the configurators to the corresponding sockets in the back of the thermostat,
or using the MyHOME_Suite software.
Programming is simple and intuitive: to switch from one mode to the other press MODE, +or – .
Factory settings
Heating Cooling
Adjustment interval for hotel
or residential 14 – 26 °C 20 – 32 °C
Adjustment interval for
MyHOME 3 – 40 °C 3 – 40 °C
Comfort 21 °C 25 °C
Eco 18 °C 28 °C
Antifreeze 7 °C
Thermal protection 35 °C
2 Description
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Thermostat with display
Installer manual
2.2 Front view
1 - Heating function.
2 - Cooling function.
3 - Manual mode icon.
4 - Comfort mode icon.
5 - Eco mode Icon.
6 - Antifreeze / Thermal protection / OFF mode.
7 - MODE key: a short pressure changes the mode of operation of the device; an extended
pressure (unless used as MyHOME probe) changes the function. For the Hotel mode of
operation only it is possible to change the function using the Mode key (performing the
configuration using the MyHOME_Suite software).
8 - +key: increase the set value.
9 - –key: decrease the set value.
10 - FAN key: set the fan-coil speed on 3 levels + automatic.
11 - Heating On indicator.
12 - Cooling On indicator.
13 - Fan-coil speed indicator, 3 levels.
14 - Fan-coil in automatic mode indicator.
15 - Measured (thermometer symbol On) / set (thermometer symbol Off) temperature indicator.
16 - Unit of measure: °C or °F.
MODE
+
–
FAN
10
7
8
9
1 2 3 4 5 6
11121314
15
16
2 Description
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Thermostat with display
Installer manual
2.3 Rear and side view
1 - Configurator socket.
2 - Connection to the BUS.
3 - Local contact.
1
23
2 Description
ZA / ZB = zone address,
TYPE = Thermostat operating mode (MyHOME probe, hotel thermostat, or
individual residential system);
HEAT = definition of the type of heating load (valves, fan-coil, etc.);
COOL = definition of the type of cooling load (valves, fan-coil, etc.);
PUMP = selection of the pumps to control;
IN = definition of the function performed by the contact connected to the
thermostat.
For the configuration and setup of the local contact see the technical sheet.
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Thermostat with display
Installer manual
3.1 Installation
Installation in a MyHOME temperature control system
Thanks to the internal sensor, the thermostat can operate as master probe of a MyHOME system. In
this case it will obtain the settings from the central unit managing the system.
Using the +and –keys, it is possible to enter settings different from those of the central unit; the
new settings are temporary, and will only be applied until the next central unit set-point change.
The systems consists of:
• Power supply;
• Actuators and pumps;
• Temperature control central unit;
• Thermostat with local contact for
the detection of open windows.
Example of MyHOME system
3 Possible applications
PRI
SCS
E49
PRI: 220 – 240 V~
185 – 175 mA
50/60 Hz
SCS: 27 Vdc
600 mA
230 Vac
C1 C2
ART.F430/2
1
1 2 3 4
2 43
OKC
MODE
+
–
FAN
Power supply
Central unit
Thermostat
Actuator
To the
connected loads
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Thermostat with display
Installer manual
3 Possible applications
Installation in hotel room
The operation in the hotel room configuration gives the customer the possibility of easily setting
the temperature to the desired level of comfort. The hotel manager can integrate the individual
thermostat installed in the room as part of a system that can be managed using a software for the
monitoring of consumptions, therefore avoiding unwanted energy waste.
Installation in individual residential system
The third type of use, as room thermostat, manages the temperature control of an individual
system, without the need for additional control devices.
The systems consists of:
• Power supply;
• Actuators and pumps;
• Thermostat with local contact for
the detection of open windows.
PRI
SCS
E49
PRI: 220 – 240 V~
185 – 175 mA
50/60 Hz
SCS: 27 Vdc
600 mA
MODE
+
–
FAN
230 Vac
C1 C2
ART.F430/2
1
1 2 3 4
2 43
Power supply
ThermostatActuator
Example of hotel room or individual residential system
To the
connected loads
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Thermostat with display
Installer manual
NOTE (*): only for fil-pilote.
NOTE (**): only for fan-coil .
DESCRIPTION MyHOME SYSTEM HOTEL SYSTEM INDIVIDUAL SYSTEM
Heating or cooling function
setup ·From central unit
·From keypad (blockable)
·From local contact
·From software
·From keypad
·From local contact
Automatic changeover
function –
Manual Mode –
Temporary manual mode – –
Comfort mode
Eco mode
Antifreeze and Thermal
Protection mode
OFF Mode
Comfort mode – 1 (*)
Comfort mode – 2 (*)
Fan-coil speed (**) ·From keypad
·From remote
·From keypad
·From remote ·From keypad
3.2 Function comparison table
3 Possible applications
Table des matières
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