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Temperature Display and Setting
The thermostat normally displays the room (measured) temperature.
•
To view the set temperature (setpoint), press the Up or Down
button once.
•
To change the setpoint, press the Up or Down button until the
desired setpoint is displayed.
Configuration
The factory settings are indicated inside the gray cells of the following
table.
Temperature display
Time display
Temperature control
(15-second cycles)
WARNING: The clock loses its setting whenever you change the
thermostat's configuration.
Temperature display
To change the temperature display between °C and °F:
Lift the thermostat's cover.
Press and hold the Day button.
Insert a pointed object (e.g., paperclip) in the reset opening.
Remove it when the thermostat's screen becomes blank.
Wait one second and release the Day button.
Time display
To switch between the 12-hour format and the 24-hour format:
Lift the thermostat's cover.
Press and hold the Hour button.
Insert a pointed object (e.g., paperclip) in the reset opening.
Remove it when the thermostat's screen becomes blank.
Wait one second and release the Hour button.
Control type
Use proportional control (default setting) in most cases as it provides
better temperature control. However, you must use conventional con-
trol if you have a fan-forced heater.
Fan is displayed when conventional control is selected. To switch
between the two types of control:
Lift the thermostat's cover.
Press and hold the Min button.
Insert a pointed object (e.g., paperclip) in the reset opening.
Remove it when the thermostat's screen becomes blank.
Wait one second and release the Min button.
RLV431
°C
°F
24 h
12 h
Proportional
Conventional
(± 0.5°C deadband)
3.
Clock and Day Setting
The clock must be set when Time flashes on the
screen.
Lift the thermostat's cover.
Press the Day button to set the day.
Use the Hour and Min buttons to set the clock.
4.
Press the Ret button to exit.
Modes of Operation
The thermostat has three modes of operation:
Automatic (programmable) mode
To use the Automatic mode, press the Mode button
until Auto is selected (outlined) on the screen. The cur-
rent period number will appear.
In this mode, the thermostat automatically adjust its
temperature setpoint according to the period of the day
(wake up, leave for work, return home and sleep).
You can program up to 4 periods in a day. You can set 2 different
programs: one for the weekdays (Monday to Friday) and another one
for the weekend (Saturday and Sunday).
The thermostat is preprogrammed with the following schedule:
Period
Monday to Friday
Start Time Temperature Start Time Temperature
1
Wake
6:00
2 Leave
8:00
3 Return
18:00
4
Sleep
22:00
To temporarily override the current setpoint, set the desired tempera-
ture using the Up or Down button. The new setpoint will be used until
the beginning of the next period.
To modify the schedule:
Press the Mode button until Auto is selected.
Press the Pgm button.
Each time you press the Pgm button, the thermostat displays one of
the periods of the schedule in the following order (from left to right):
Weekdays
MO TU WE TH FR
1
2
Set the start time for the displayed period using the Hour and
Min buttons.
NOTE: To deactivate the period, press the Mode button. Instead
of displaying the start time of the period, the thermostat will dis-
play --:--. During operation, the thermostat will skip over that
period.
Set the temperature for the period using the Up or Down button.
Repeat steps 2 to 4 for remaining periods.
Press the Ret button to return the thermostat to normal opera-
tion.
Saturday & Sunday
21°C (70°F)
6:00
16°C (62°F)
--
21°C (70°F)
--
16°C (62°F)
22:00
Weekend
SA SU
3
4
1
2
69-2073EF-1
2008-01-29
5.
6.
21°C (70°F)
--
--
16°C (62°F)
3
4
2/4
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