TCI-C-Universal Controller
Doc: 70-00-0123, Date: 20091020 © Vector Controls GmbH Page 5
Display and Operation
The operation terminal uses an LCD display and four operation buttons.
Legend:
1. 4-digit display of current value, time, control parameter or set point
2. Unit of displayed value, °C, °F, % or none
3. Graphical display of output or input value with a resolution of 10%
4. 4-digit display of current value, time, control parameter or set point
5. Operation modes:
Comfort mode, Standby mode, OFF Energy Hold Off
6. Symbols:
Heating Active Cooling Active Schedule Set Cascade
Override
• POWER button: Standard function: Pressing the button less than 2 sec toggles standby and comfort mode.
Pressing the button for more than 2 seconds switches the unit off.
Programming function: Acts as Enter to select menu option or accept changed parameter value.
• UP buttons: increment set points and parameters, select menu options
• DOWN buttons: decrement set points and parameters, select menu options
• RIGHT (OPTION) button: Standard function: If pressed less than 2 sec access for different control modes
If pressed for more than 2 sec starts operation level for advanced users. Change of time schedules, offsets and
heat – cool settings.
Programming function: Acts as Enter to select menu option or accept changed parameter value.
• LEFT (ESC) button: Standard function: Access different operation modes.
Programming function: Acts as Escape to leave menu levels or discard changed parameter values.
Operation Modes
• Comfort: The unit is in full operation mode. All the control functions are operating according to their setpoints.
The unit displays occupied mode.
• Standby: The set points are shifted according to parameters 1L07 resp. 2L07. The setpoint of the reverse
(heating) sequence is shifted down and the setpoint of the direct (cooling) sequence is shifted up. The display
shows unoccupied mode. Analog outputs are limited to 1A04 and 2A04 standby maximum. Binary switching
stages are limited to the first stage. Standby operation may be disabled with UP06.
• Energy Hold-Off (EHO): The unit is switched off. All outputs are off while no alarm is active. The inputs are still
monitored in case any alarms are enabled. Off is displayed.
Activation of operation modes
• Via operation terminal
• Clock: Operation modes may automatically be switched according to daytime and weekday. The clock symbol will
be indicated if time programs are activated.
• Via inputs, by using auxiliary functions parameters.
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