Button lock
Press the operating mode button
buttons if "Manual button lock" is configured (parameter P14 = 2).
The thermostat automatically locks the buttons 10 seconds after the last
adjustment if "Auto lock" is configured (P14 = 1).
The key symbol
indicates locked buttons.
Note: "Button lock" cannot be released (unlocked) if the buttons were
locked by the master through the bus command.
Reminder to clean filters and for external faults
FIL*
This message reminds you to clean your HVAC equipment filters.
It is displayed after
........."fan operating hours" and disappears when
the thermostat is set to Protection (
These messages inform you of external faults*:
AL1*
AL1:
................................................
AL2*
AL2:
................................................
Recalibrating the sensor
If the room temperature displayed by the thermostat does not correspond
with the temperature effectively measured (after at least 1 hour of operation),
the temperature sensor can be recalibrated through parameter P05.
Note: Energy Saving mode
The Energy Saving setpoints are factory set to 15 °C for heating and 30 °C
for cooling. Use parameters P11 and P12 to adjust the values.
NOTICE: Risk of frost!
Thermostat is inactive if the Energy Saving setpoints are set to OFF and
Energy Saving mode is selected.
Commissioning
You can adjust a number of different control parameters to adapt the thermostat to
your system and optimize control performance. You can do this during operation via the
buttons on the thermostat.
* Needs to be configured by your HVAC installer.
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are registered trademarks of Lutron Electronics Co., Inc.
®
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Control parameters:
Follow the steps below to change the most common control parameters (HVAC installer can set additional parameters):
for 5 seconds to lock or unlock the
+/–
).
Parameter
*** Parameter P13 is only displayed for application "2-pipe with electric heater".
.
1. Press the + and – buttons simultaneously for at least 3 seconds.
Release, and within 2 seconds, press + again for 3 seconds. "P01" is displayed.
2. Repeatedly press the + or – button to select the required parameter.
3. Press + and – simultaneously. The current value of the selected parameter begins to flash, allowing you to change the value by
repeatedly pressing + or – .
4. The next parameter is displayed when you press + and – again simultaneously.
5. Repeat steps 2 to 4 to display and change additional parameters.
6. Press + or – until "End" is displayed, and then press + and – simultaneously to save the change and return to normal operation.
Description
P01
Control sequence
P02
Mode selection by user via operating mode
button
P04
Select °C or °F
P05
Sensor calibration
P06
Standard temperature display
P07
Additional user information
P08
Comfort mode basic setpoint
P09
Minimum setpoint limitation in Comfort mode
P10
Maximum setpoint limitation in Comfort mode
P11
Heating setpoint in Energy Saving mode
P12
Cooling setpoint in Energy Saving mode
P13 ***
Electrical heater in cooling mode
P14
Button lock
(Press operating mode button
for 5 seconds
to lock or unlock the buttons)
All temperature settings are in increments of 0.5 °C.
Factory setting
Setting range
2-Pipe: [0 to 3]
0 = Heating only
1 (Cooling only)
1 = Cooling only
4-Pipe: [2 to 4]
2 = Manual Heating or Cooling
4 (Heating & Cooling)
3 = Auto Changeover
4 = Heating and Cooling
1 (Comfort, Protection)
1 = Comfort, Protection
2 = Comfort, Energy Saving,
Protection
°C
0 = °C
1 = °F
0.0 °C
–3 °C to 3 °C
0 (Room temperature)
0 = Room temperature
1 = Setpoint
0 (No display)
0 = No display
1 = Temperature in °C/°F
2 = Outside temperature (via bus)
3 = Time of day (12 h, via bus)
4 = Time of day (24 h, via bus)
21 °C
5 °C to 40 °C
5 °C
5 °C to 40 °C
35 °C
5 °C to 40 °C
15 °C
OFF, 5 °C...Wcool
(P12)
Eco
30 °C
OFF, Wheat
(P11)...40 °C
Eco
ON
OFF = Disabled
ON = Enabled
0 (Disabled)
0 = Disabled
1 = Auto lock
2 = Manual lock
Please record all changes you make to the settings
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