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TCY-T0121 Intelligent Compact Controller

 

  

Version: 2004-07 

[email protected] 

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TCY-T0121  
Intelligent Compact Controller 

Features 

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Temperature control for 2-pipe, 4-pipe HVAC systems. Temperature range from –40 to 140 °C. 

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1 independent PI and On/Off control loop to control temperature. 

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1 independent PI and On/Off control loop to control humidity and pressure systems. 

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1 modulating output for DC 0...10V or 0…20 mA actuators. 

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1 TRIAC controlled floating output 24V AC (2 digital outputs) 

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1 Input for DC 0…5V, 0…10V or 0…20 mA sensors 

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Temperature sensor analog output for building automation system 

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Internal or external passive temperature sensor, selectable by switch 

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Transformation of display value according to analog sensor range 

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Password protected programmable user and control parameters 

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Display and operation unit available in various designs and materials.  

Applications 

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Air Only Systems: Constant or Variable Air Volume systems for single or dual duct systems with options of: 

up to two reheat stages 

supply air, extract air cascade control 

humidity control 

Control for variable speed fans 

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Air/Water Systems:  

Fan Coil units for 2-pipe or 4-pipe systems with options of: 

§ 

Humidity control 

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Pressure control  

radiator control, chilled ceiling 

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Water Only Systems: Radiator, floor heating or chilled ceilings 

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Individual room control for hotel rooms, meeting rooms, etc.  

Summary of Contents for TCY-T0121

Page 1: ...mation system Internal or external passive temperature sensor selectable by switch Transformation of display value according to analog sensor range Password protected programmable user and control parameters Display and operation unit available in various designs and materials Applications Air Only Systems Constant or Variable Air Volume systems for single or dual duct systems with options of o up...

Page 2: ...set time of Analog loop integral Tn is the time needed for the integral to run from 0 to 100 The range is 0 5 30 min The setting depends on the control application For temperature control of a medium sized room a setting of 5 10 minutes is appropriate For pressure control on a VAV box a value of 3 minutes is recommended depending on the speed of the actuator T Room Temperature WH Setpoint Heating ...

Page 3: ...olved It should be at least 1 2 times the reaction time of the control cycle XU Input signal Xp1 Proportional Band reverse acting YU Output signal of universal loop Xp2 Proportional Band direct acting wR wD Reverse Direct Setpoint Tn Integral Reset Time XDZ Dead Zone Span 2 point control This control mode is enabled by parameter 1U 08 for the reverse signal and 1U 09 for the direct signal 2 point ...

Page 4: ...ching outputs DO1 and DO2 are factory assigned as floating output They may be assigned as digital outputs using OP 07 to OP 08 The digital outputs may be used either as switching outputs for Temperature or Universal ON OFF modules Each output needs to be assigned to a control loop See parameter OP section for details Time schedule on digital outputs The digital outputs may be used with an individu...

Page 5: ...hes the unit off UP and DOWN buttons change setpoints and parameters OPTION button used for accessing different control modes and advanced setup Acts as Enter in parameter changing menu 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 setpoints are shifted according to paramet...

Page 6: ...eatedly pressing the OPTION button until DO1 or DO2 is displayed in the large LCD digits Pressing UP DOWN steps through following modes ON OFF PROG selecting ON or OFF sets the output in manual mode the manual symbol is displayed Pressing the OPTION button for more than 3 seconds starts the schedule mode The schedule operation for the DO is similar to general time scheduling see below A total of 2...

Page 7: ... user is allowed to change operation modes OFF Disabled ON Enabled ON OFF ON UP 01 Choose if the end user is allowed to change set points OFF Disabled ON Enabled ON OFF ON UP 02 Choose if the end user is allowed to override secondary setpoint in cascade control OFF Disabled ON Enabled ON OFF ON UP 03 Heat Cool change Enable Choose if the end user is allowed to change heating cooling mode OFF Disab...

Page 8: ...erature loop is setpoint of analog loop ON Cascade Active OFF no cascade ON OFF OFF 1U 01 Dead zone for Universal Loop range acc to input Acc Input 0 1U 02 Enable PI Reverse Loop ON OFF OFF 1U 03 Enable PI Direct Loop ON OFF OFF 1U 04 P Band or Switching Span reverse acting Range according to input Selecting 0 disables the P part Acc input 10 1U 05 P Band or Switching Span direct acting Range acco...

Page 9: ...55 50 Mechanical Design and installation The unit consists of three parts The mounting plate the power case and the front part consisting of a module and an outside frame The outside frame may be replaced with a special design based on interior design and taste of the end user Please talk to your dealer regarding different designs materials and colors available Installation 1 Arrange the wires to ...

Page 10: ...puts AC Voltage Insulation resistance Optical coupled TRIAC DO1 DO2 24V 220V AC 1A max AC2500 V RMS acc to EN 60 730 1 complying with UL standards File ref E81734 Display LCD Actual values and setpoint Resolution value 1000 Resolution value 1000 Digital Signals 4 digits 0 1 1 ON OFF Parameters For details of control parameters see parameter section Environment Ambient Temperature 10 to 50 C acc IE...

Page 11: ... Analog Input Output Ground 2 Power Supply 24V AC 3 Digital Output 1 4 Digital Output 2 5 Temperature sensor NTC 6 Temperature sensor NTC 7 Analog Output 1 0 10V or 0 20mA 8 Analog Input 1 0 10V 0 5V or 0 20mA The switch for internal external temperature setting is located on the back of the operation terminal AI1 JP2 0 10V DC 0 5V DC 0 20 mA AO1 JP1 0 10V DC 0 20 mA 1 4 3 4 2 3 1 2 2 3 1 0V AC GN...

Page 12: ...ion advice or training in how to use our products The target is to optimize your benefits The only thing you need to do is Talk to us Quality Support Partnership Our Offer Your Call Tel 86 10 6786 9251 3 Fax 86 10 6786 9256 Email info vectorcontrols com VECTOR CONTROLS LTD 23 Xi Huan Bei Road Room 208 Hua Teng Fa Zhan Building Yi Zhuang Beijing 100176 PRC VECTOR ...

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