Data Sheet for Product

12
Siemens
A6V10889950_en--_j
Smart Infrastructure
2022-01-05
Example
Cooling setpoint adjustable: 25…40 ℃
Heating setpoint adjustable: 5…21 ℃
Keylock
Keylock can be activated or deactivated via parameter P14 when the thermostat is in
Comfort and Protection mode.
Either full lock (P14=1) or partial lock (P14=2) can be selected. All buttons are disabled if full
lock is set. On partial lock, only setpoints can be adjusted.
Operating modes
The following operating modes are available:
Comfort mode
In Comfort mode, the thermostat maintains the setpoint, which can be adjusted via the + and
- buttons. The fan can be set to automatic or manual fan speed: Low, medium or high.
To save energy, the setpoint setting range has a minimum (P09) and maximum limitation
(P10).
Protection mode
When the thermostat is in Protection mode, the related setpoints of heating or cooling
setpoints are maintained. They can be adjusted via control parameters P65 and P66. The
factory setting for P66 is OFF, indicating the thermostat is not active in Protection (cooling)
mode.
Timer with delay Off mode
In timer with delay Off mode, the timer starts counting down according to the hour selected
(via parameter P28) after the thermostat is turned ON. When the timer expires, the
thermostat automatically turns OFF.
1. Activation of timer with delay Off mode
Timer with delay Off mode can be activated in two ways:
a) Parameter P28 = 0 (factory setting)
When P28 = 0, the delay timer is not active when the thermostat is powered up.
To activate the delay timer mode, please press and hold the button for more than 3 seconds.
b) Parameter P28 ≠0
When P28 ≠0, the delay timer is active in normal mode whenever the thermostat is turned
on.
2. Setting of timer with delay Off mode
Refer to the Parameter settings.
3. Cancellation of timer with delay Off mode
Cancel by setting the timer to 0 hour.
Operating mode setting upon power down
If the thermostat is disconnected from AC 230 V power supply and then reconnected, the
thermostat returns to the previous operating mode or user settings if P27=0, remains in
Protection (Off) mode if P27=1, or remains in Comfort mode if P27=2.