TCY-FT-U
Operation Instructions
 
Doc: 70-00-0128B, V1.2, 20110621  © Vector Controls GmbH, Switzerland  Page 4 
Subject to alteration 
Display and Operation 
 
Operation mode 
 
Comfort (occupied)  All control functions operating per set points. 
 
Economy (unoccupied): 
Set points shifted according to Parameters CP04. 
Economy mode and setpoint shift may be disabled with UP07 
OFF 
Energy Hold Off  Outputs are off, inputs monitored for alarm condition 
 
Heating  Output activates if temperature lower than setpoint 
 
Cooling  Output activates if temperature higher than setpoint 
Power Failure 
All the parameters and set points are memorized and do not need to be reentered. Depending on UP05 the unit will 
remain switched off, switch on automatically or return to the operation mode it was in before the power failure. 
Deluxe version only: Timer operation and daytime setting will be retained for 24h. The controller has to be connected to a 
power supply for at least 10 hours for the backup function to operate accordingly.  
Error messages 
The TCY-FT-U may display the following error condition:  
 
Err1:  The connection to the temperature sensor may be interrupted or the temperature sensor is damaged.  
The output is switched off. Verify parameter settings and wiring.  
Left (POWER) 
Press < 2 sec.: Toggle STANDBY-
COMFORT mode or switch from OFF 
to ON 
Press > 2 sec.: Turn unit OFF. Text 
OFF displayed with current time 
(deluxe) temperature (standard) 
(Parameter setting: ENTER to 
select menu option, accept 
parameter change) 
Up  
Increment SET POINT  
(Parameter setting: 
SCROLL menu options 
and parameters) 
Down  
Decrement SET POINT  
(Parameter setting: SCROLL menu 
options and parameters) 
Mode 
Display of operation 
mode 
Large Digits 
Display of input or parameter 
value. 
Indicators 
1 Remote 
temperature sensor 
2 Dew point sensor 
Vertical Bar 
(scrolls up/down, 10% resolution) 
Small Digits 
Display of setpoint, clock or 
parameter number. 
Right (OPTION)  
Press < 2 sec.: Select Control Loop 
Press > 2 sec.: Manual H/C change 
(Parameter setting: ENTER to 
select menu option, accept 
parameter change)