Doc: 70-000003 V1.0, 20150710 © Vector Controls GmbH, Switzerland Page 6
Subject to alteration
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, energy hold off
6. Symbols:
7. 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: ESC function, to return to previous level or ignore changed value
8. UP buttons: increment set points and parameters, select menu options
9. OPTION button: standard function: used for accessing different control modes and advanced setup.
Programming function: acts as enter to select menu option or accept changed parameter value.
10. DOWN buttons: decrement set points and parameters, select menu options
Operation modes
Comfort: The unit is in full operation mode. All the control functions are operating according to their set points.
The unit displays occupied mode.
Standby: The set points are shifted according to parameters 1L00 or 2L00. The heating parameter is shifted
down and cooling parameter up. The unit displays unoccupied mode. Outputs are limited to OP04 standby
maximum. For two stages heating or cooling the second stage will not operate while in standby mode. Standby
operation may be disabled with UP06.
Energy Hold-Off (EHO): The unit is turned off, and OFF is displayed. However, the inputs are still monitored and
the alarm functions will operate normally.
Activation of operation modes
Via operation terminal
Clock (deluxe version only): Operation modes may automatically be switched according to daytime and weekday.
The clock symbol will be indicated if time programs are activated.
Infrared remote controller (deluxe version only): use OPR-1 to control the unit remotely
Operation of the terminal unit
Switching ON
The unit is switched on by pressing the POWER button. It will start up in comfort mode.