IB1T31 - 03/14
N
L
1T.31
www.findernet.com
fig. 3
fig. 2
fig. 4
fig. 5
73.3 mm
18 mm
110 mm
A
B
C
E
F
D
fig. 1
ENGLISH
SUMMER / WINTER SETTING
The thermostat can be used for “summer” or “winter” operation, depending on whether
connected to an air-conditioner or to a heater.
Press at the same time the keys + for 1 second, to pass from the summer
function to winter and viceversa. For the summer function, will appear the beach-umbrella
icon (with fan icon when 1T31 is ON) and for the winter function, will appear the snow
icon (with flame icon when 1T31 is ON).
DAY/NIGHT SETTING
Press the key, for setting up the day or night function. On the screen will appear
the sun icon for the day function and the moon icon for the night function.
SETTING THE TEMPERATURES
When setting the temperature, first choose the summer or winter, day or night functions
and then, set up a value between (+5...+37)°C with the increase key or decrease
key .
Press the key or for 1 second, to show the temperature setting.
Press the key or for 2 second, to modify the temperature setting by 0,1°C.
Press the key or for 5 second, to modify the temperature setting by 1°C.
TEMPERATURE DIFFERENTIAL SETTING
With the thermostat turned OFF, it is possible to set the temperature differential. Press
at the same time the keys + for 1 second and then set up the value to
0.2°C or 0.5°C with the increase key or decrease key . After a few seconds
the OFF on the display, will appears.
FROST PROTECTION OPERATION
With the thermostat turned OFF, Frost Protection remains active. It is possible to set the
Frost Protection temperature between (+2…+8)°C with the key or .
Should the heater turn ON the icons appear on the screen.
OPERATIONAL NOTES
- During operation the room ambient temperature is displayed on the screen.
- When the heater is ON, the flame icon appears on screen .
- When the air conditioning is ON, the fan icon appears on screen .
THERMOSTAT START-UP/SWITCHING OFF
Press the key .
INSTALLATION AND CONNECTIONS
SAFETY REQUIREMENTS: before connecting this programmable thermostat, make
sure that the supply voltage to the load to be controlled (heater, pump, etc.) is not
connected and that the load is within the values shown inside the thermostat.
POSITIONING: install the programmable thermostat away from sources of heat
(heaters, direct sunlight, kitchens) and from doors/windows, at a height of about
1.5 m above the floor.
INSTALLATION
- Release the small tooth with the aid of a screwdriver (fig.2).
- Fix the base on the wall (fig.3).
- Connect the load to the terminals following the wiring diagram (fig.4).
ELECTRICAL CONNECTIONS (fig.4)
U = equipment load
C = common terminal
NO = normally open terminal
NC = normally closed terminal
TECHNICAL DATA
POWER SUPPLY:
2 ALKALINE BATTERIES 1.5 V AAA
TEMPERATURE RANGE: (+5…+37)°C
FROST PROTECTION TEMPERATURE RANGE: (+2…+8)°C
TEMPERATURE DIFFERENTIAL: (0,2 - 0,5)°C selectable
SENSING ELEMENT: NTC
DEGREE OF PROTECTION: IP20
OUTPUT: RELAY
CONTACT RATING: 5 A 250 V AC
MOUNTING: TO THE WALL
1T.31 ON
ROOM
TEMPERATURE/
SETTING
1T.31 OFF
FROST
PROTECTION
THERMOSTAT CONTROL KEYS (fig.1)
A: ON / OFF (WITH FROST PROTECTION)
B : DAY / NIGHT E : INCREASE
C: BATTERY COMPARTMENT F : DECREASE
D: DISPLAY A + B: SUMMER / WINTER
BATTERY
POWER SUPPLY: 2 ALKALINE BATTERIES 1.5 V AAA.
When the batteries are low, the “low battery” icon appears on screen;
for changing the batteries, see fig.5. Please dispose of the worn out batteries
according to prevailing regulations rules.
THERMOSTAT LOCK
Press the + keys for 3 seconds to lock or unlock the thermostat.
The symbol shows, signifying that the thermostat is locked.
DAY
NIGHT
FROST
PROTECTION
SUMMER
DISPLAY LEGEND (fig.1)
WINTER
AIR-CONDITIONING ON
HEATER ON
LOW BATTERY
PADLOCK
