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TCY3-T0121R Operation 

 

Accessing advanced settings 

Pressing the option button for more than three seconds will start the advanced setup menu. The large LCD digits display 
SEL. The advanced setup menu Clock setup, Time schedules, Heat / Cool change for 2 pipe systems. The menu may be 
left by pressing the POWER key or by not pressing a key for more than 2 minutes.  
 

 

Calibration of inputs

: SEL is displayed in the large digits and CAL1 or CAL2 in the small. Pressing OPTION will 

reveal the current calibration value of the temperature sensor (CAL1) or the analog input (CAL2). Change the 
value with the UP/DOWN keys and confirm with OPTION key. 

 

Heat / Cool change

. H-C is displayed in the small LCD. Currently active symbol for heating or cooling show 

below. Pressing the OPTION key again toggles Heating – Cooling mode.  
Access to Heat/Cool change may be disabled with 

UP03

 

Clock and time schedule operations for Deluxe Version only:

 

 

Clock Setup

. The current time is displayed in the small digits. Pressing the OPTION button will enter the clock 

setup. The minutes are blinking and may be changed with the UP/DOWN keys. Pressing OPTION saves the 
minutes and steps to the hours. The hours are blinking. Pressing the OPTION key again will step to the weekday. 
DAY1-7 is displayed. Day 1 stands for the first working day (Monday) of a 5-day working week. (See schedule). 
Select the day according to current weekday. Pressing Option again saves the settings and moves back to the 
SELECT menu.  

 

Time Schedules

: press the option key while Pro is displayed in the small digits. Pro1 is now shown in the large 

digits, while the number 1 is blinking. Select time program by using UP/DOWN keys. There is a total of 4 time 
programs with each 4 switching times available. Enter the time program by pressing the OPTION key. 

1.

 

Activate or deactivate the time program. Choose ON or OFF with the UP/DOWN keys. The following steps will 
only be accessible if ON is selected.  

2.

 

Select weekday(s) = d1-7, d1-6, d1-5, d6-7, day1, day2, day3, day4, day5, day6, day7. This time schedule 
will be active during the selected weekdays. Day 1 stands for Monday, day 2 for Tuesday and so forth.  

3.

 

The next steps define the switching mode and time. The bar indicator on the right side shows programming 
progress. There are four switch times for each program.  

 

Select desired operation mode. (no, ON, Eco, OFF), press OPTION to continue 

o

 

no = ignores this switching interval 

o

 

On = sets operation mode to On and Comfort 

o

 

Eco = sets operation mode to On and Standby 

o

 

OFF = switches unit Off 

 

Select switching time 00:00 to 23:45 in 15-minute steps;  
press OPTION to continue. 

 

Repeat above two steps for each switching time.  
 

Access to time schedules may be disabled with 

UP04

 

Doc: 70-000002 V1.0, 20101115 

© Vector Controls GmbH, Switzerland 

Page 8 

Subject to alteration 

 

Summary of Contents for TCY3-T0121R

Page 1: ...kup o 16 switching times grouped in 4 time schedules o Infrared remote control Applications Air Only Systems Constant or Variable Air Volume systems for single or dual duct systems with options of o u...

Page 2: ...0 10 0021 Standard 88mm x 88mm No humidity sensor Compact PI controller with 1 TI int or ext 1 AI 2 DO Relay 1 AO TCY3 T0121R D 40 10 0022 Deluxe TCY3 T0121R U 40 10 0023 Standard 2 x 4 TCY3 T0121R U...

Page 3: ...oltage mode AO1 DC 0 10 V or 0 20 mA 250 max 9 76 mV resp 0 019 mA 10 bit 10 mA Relays Outputs AC Voltage DC Voltage DO1 DO2 0 48 VAC 2 1 2 A max each output 0 30 VDC 2 1 2 A max each output Environme...

Page 4: ...ators with constant running time are recommended Observe power limits on binary devices Binary auxiliary devices E g pumps fans on off valves humidifiers etc Do not directly connect devices that excee...

Page 5: ...5 m 4 5 above the floor in an area of average temperature Avoid exposure to direct sunlight or other heat sources e g the area above radiators and heat emitting electrical equipment Avoid locations be...

Page 6: ...fsets and heat cool settings 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 Operatio...

Page 7: ...VAV this would mean the loop is now changed to CAV This is especially useful while tuning the VAV system Pressing the OPTION key to move back to the temperature loop will cancel manual override Manual...

Page 8: ...working day Monday of a 5 day working week See schedule Select the day according to current weekday Pressing Option again saves the settings and moves back to the SELECT menu Time Schedules press the...

Page 9: ...tton steps through low medium high and automatic fan speeds Automatic fan speed will not be activated in FAN ONLY mode Boost Pressing the boost button activates a 5 minute boost The output will be ful...

Page 10: ...fied now Use UP and DOWN key to adjust the value 5 After you are done press OPTION or POWER in order to return to the parameter selection level 6 Press the POWER key again so as to leave the menu The...

Page 11: ...et point limits for heating and cooling sequence are defined individually Summer Winter Compensation Shift the set point either towards the set point minimum negative shift or the set point maximum po...

Page 12: ...rol The algorithm used reduces the swinging tendency of the control loop and improves a direct approach of the current value to the setpoint The ID part is defined by two parameters The time interval...

Page 13: ...is Defines the difference between switching on and switching off of a digital sequence A small hysteresis will increase the number of switching cycles and thus the wear on associated equipment Delayed...

Page 14: ...ng of your controller from a central location by switching a contact to GND Note all ground levels of involved controllers must be the same Choose if heat or cool is to be active when contact is open...

Page 15: ...mount of air the VAV box is set to deliver It may be adjusted through the maximum limit on the analog output OP03 As cooling requirements decrease airflow dwindles until it reaches its minimum setpoin...

Page 16: ...g coils with mold protection Output while demand on any output switch off delay 60s The output is ON if demand exists on any other output The output switches off with a fixed delay of 60s if there is...

Page 17: ...meters password 241 Warning Only experts should change these settings The parameters are grouped according to following control modules Module Description 1L Loop 1 Heat Cool Temperature Input 1 2L Lo...

Page 18: ...Heat Cool setting by demand OFF Manual 2 pipe ON Automatic 4 pipe ON OFF OFF PID Control Sequence Parameter Description Range Default 1L 09 P band heating XPH 0 100 2 0 C 4 0 F 1L 10 P band cooling X...

Page 19: ...Direct Reverse related to Heat Cool setting OFF not related ON related ON OFF OFF PID Control Sequence Parameter Description Range Default 2L 09 P band reverse XPH Acc input 10 2L 10 P band direct XPC...

Page 20: ...meter Description Range Default IP 16 Alarm 3 Alarm for lower limit of universal input of LP2 OFF Not active ON Active OFF ON OFF IP 17 Alarm 3 low limit of universal input Acc input 0 IP 18 Alarm 3 H...

Page 21: ...t 6 Feedback of floating output 0 6 1 OP 01 AO1 Configuration of output signal depending on OP00 If OP00 1 2 control loop 1 or 2 select sequence 0 Heating Reverse YH1 YR1 1 Cooling Direct YC1 YD1 2 He...

Page 22: ...g on OP12 If OP12 1 2 control loop 1 or 2 select sequence 0 Heating Reverse YH1 YR1 1 Cooling Direct YC1 YD1 2 Heating and Cooling 2 pipe system YH1 YC1 YR1 YD1 If OP12 4 manual override Choose Manual...

Page 23: ...gh signal alarm active 7 Any alarm active ALA1 ALA4 0 7 0 OP 21 DO1 Action in case of alarm OFF close output ON open output ON OFF OFF Digital Output 2 Parameter Description Range Default OP 22 DO2 Co...

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