Theben FCA 2 Manual
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FCA 2 Manual : Key Pages of Document
Updated: Feb-16 (subject to changes) Page 1 of 89 Fan Coil Actuator FCA 2 FCA 2 4920210 ...
Updated: Feb-16 (subject to changes) Page 2 of 89 Contents 1 Function description ................................................................................................................. 4 1.1 Operation and display ....................................................................................................... 5 1.2 Advantages of the FCA 2 ................................................................................................. 6 1.2.1 Special features ...................................................... ...
Updated: Feb-16 (subject to changes) Page 3 of 89 5.3.4 Important parameter settings ...................................................................................... 63 5.4 Typical application (4-pipe system): .............................................................................. 64 5.4.1 Task: ........................................................................................................................... 64 5.4.2 Devices: ................................................................................... ...
Updated: Feb-16 (subject to changes) Page 4 of 89 1 Function description • Fan coil actuator • For controlling fan coils • For 2- and 4-pipe systems • For up to three fan stages • Fans optionally also with 0-10 V output • For proportional valves 0-10 V • Additional relay for electrical heater or cooler bank • Floating input for window contacts or temperature sensor • Floating input condensation monitoring • Display of operation status via 9 LEDs • Manual operation on device (fan stages, switching between hea ...
Updated: Feb-16 (subject to changes) Page 5 of 89 1.1 Operation and display FCA 2 is fitted with 9 LEDs and 2 push buttons. • 3 red LEDs for displaying fan stage/fan speed (see figure 1) • 1 red LED for heating mode • 1 blue LED for cooling mode • 1 red LED for the additional relay (C1) • 2 red LEDs for inputs 1 and 2 (E1, E2) • 1 red LED for test mode • 1 push button for fan stages/fan speed • 1 push button for heating/cooling mode / Figure 1: LEDs for displaying fan stages or fan speed S1 S2 S3 Fan stages (stan ...
Updated: Feb-16 (subject to changes) Page 6 of 89 1.2 Advantages of the FCA 2 • Operating voltage 100-240 V 50/60 Hz. • Suitable for 0-10 V valves. • Optional internal or external temperature controller. • Can be used in 2- and 4-pipe systems. • Also suitable for 0-10 V fans. • Easy start-up via 2 push buttons for fan and heating/cooling mode. • Additional relay for heating/cooling can also be used as a switch output. • Change of operating mode by means of presence and window objects. • Adjustable direction of a ...
Updated: Feb-16 (subject to changes) Page 7 of 89 2 Technical Data Power supply via mains 230 +/-10 VAC 50 Hz Operating voltage KNX Bus voltage, ≤ 8 mA Operating voltage 100 – 240 V AC Frequency 50 – 60 Hz Width 4 TE Type of installation DIN-rail Type of contact NO contact Switching capacity, additional relay 16 A Switching capacity, ventilator relay 6 A Ambient temperature -5 °C … +45 °C Protection rating IP 20 Protection class II in accordance with EN 60 730-1 ...
Updated: Feb-16 (subject to changes) Page 8 of 89 3 The application program "FCA 2 Fan Coil Actuator 0-10V" 3.1 Selection in the product database Manufacturer Theben AG Product family Heating, ventilation, air conditioning Product type Fan coil actuators Program name FCA 2 Fan Coil Actuator 0-10V The ETS database can be found on our website: www.theben.de/en/downloads_en Table 1 Number of communication objects 33 Number of group addresses 64 Number of associations 64 ...
Updated: Feb-16 (subject to changes) Page 9 of 89 3.2 Parameter pages Table 2 Function Description General Supported functions, operation, filter change Fan Number of fan stages, switch-on thresholds, etc. Heating valve Factory settings for heating valve Cooling valve Factory settings for cooling valve Heating/cooling valve Factory valve settings for 2-pipe systems Additional relay Use of additional relay C1 E1.. E2 Settings for inputs E1 and E2 Condensation monitoring Reaction to condensate and signal source Setpoint adjustment ...
Updated: Feb-16 (subject to changes) Page 10 of 89 3.3 Communication objects 3.3.1 Characteristics of objects FCA2 features 33 communication objects. Some objects can assume various functions, depending on their configuration. Table 3 No. Function Object name Type DPT C R W T 0 Heating actuating value Receive 1 byte 5,001 C R W - Heating/cooling actuating value Receive C R W - Actuating value for fan Receive C R W - Cooling actuating value Receive C R W - Heating/cooling actuating value Send C R - T Heating actuating value Send C ...
Updated: Feb-16 (subject to changes) Page 11 of 89 Continuation: No. Function Object name Type C R W T 8 Fan stage in forced operation Fan control with % value 1 byte 5,001 C R W - Fan stage in forced operation Fan control via level 1 byte 5,010 C R W - 9 Limitation of fan stage in % 0=Fan OFF 1..100%=max. 1 byte 5,001 C R W - Limitation of fan stage in % 0=Fan OFF 1..100%=max.stage 1 byte 5,001 C R W - Limitation of fan stage (1-2- 3) 0=Fan OFF 1-3=max.stage 1 byte 5,010 C R W - 10 Fan off Report 1 bit 1,001 C R - T 11 Fan stage ...
Updated: Feb-16 (subject to changes) Page 12 of 89 Continuation: No. Function Object name Type C R W T 21 Night mode <-> Standby 1 = Night mode 1 bit 1,001 C R W - Operating mode preset Operating mode preset 1 byte 20,102 C R W - 22 Comfort 1 = Comfort mode 1 bit 1,001 C R W - Presence Input for presence signal 1 bit 1,018 C R W - 23 Frost protection 1 = Frost protection 1 bit 1,001 C R W - Window Input for window contact 1 bit 1,019 C R W - 24 Current operating mode Send 1 byte 20,102 C R - T 25 Manual offset Receive 2 byte 9,00 ...
Updated: Feb-16 (subject to changes) Page 13 of 89 3.3.2 Description of objects • Object 0 "Actuating value for fan" / "Actuating value heating/cooling" transmit or receive. The function of the object is connected with the parameters "Supported function" and "Type of controller used" on the "General" parameter page. Table 4. Supported function Kind of controller used and Function of object Installation type internal controller external controller Heating Transmits the current actuating value of heating valve Receives the actuat ...
Updated: Feb-16 (subject to changes) Page 14 of 89 • Object 1 "Actuating value cooling", "Heating/cooling", "Block heating", "Enable cooling" The function of the object is connected with the parameters "Supported function" and "System type" on the "General" parameter page. Table 5 Supported function Installation type 2-pipe system 4-pipe system Heating and cooling Change over between heating and cooling mode. The direction of action is defined by parameter Format object heating/cooling (see General parameter page). DPT 100 Inve ...
Updated: Feb-16 (subject to changes) Page 15 of 89 • Object 4 „fan stage“, „fan speed“ Reports the current fan stage or fan speed. Depending on the configured fan controller (General parameter page), the object either sends the current stage (0..3) or the speed in percent. Table 6: Fan controller. Standard (1-3 stages) 0-10 V 2 formats can be selected: - 1 byte number between 0 and 3. - Percentage value See parameter Format and cycle time fan stage object The fan speed is sent as a percentage value. • Object 5 "Additi ...
Updated: Feb-16 (subject to changes) Page 16 of 89 • Object 8 "Fan stage in forced operation" Via this object, the desired fan stage in forced operation is either defined as a percentage value between 0 % and 100 % or as a stage (1-3). See parameter Format of forced operation and limitation on Fan parameter page. With 0-10 V fan control, only the percentage value format is permitted. The specification fan stage can either be made with the button at the room thermostat RAM 713 FC or via a KNX sensor (e.g. push button), which is ...
Updated: Feb-16 (subject to changes) Page 17 of 89 • Object 9 "Limitation of fan stage in %", "Limitation of fan stage (1-2-3)" This object can be used to set the maximum permitted actuating value and the associated maximum fan stage, either as a percentage value or as stage (1-3).1 With 0-10 V fan control, only the percentage value format is permitted. The following values are used. Table 7 Value Highest permissible fan stage 0 % The fan is not switched on 1 % .. 99 % Maximum permissible fan speed for normal and forced operati ...
Updated: Feb-16 (subject to changes) Page 18 of 89 • Object 11 "Fan stage 1" Only available if fan controller = standard. Report object for the fan status. Sends a 1 if the fan is switched to stage 1. • Object 12 "Fan stage 2" Only available if fan controller = standard. Report object for the fan status. Sends a 1 if the fan is switched to stage 2. • Object 13 "Fan stage 3" Only available if fan controller = standard. Report object for the fan status. Sends a 1 if the fan is switched to stage 3. • Object 14 "Actual value ...
Updated: Feb-16 (subject to changes) Page 19 of 89 • Object 16 "Condensation monitoring status" The function of this object depends on the "Source for drip condensation monitoring" parameter on the "Condensation monitoring" page. Table 11 Parameters „Source for condensation monitoring“ Function E2 Sends the status of the condensation monitoring Object 16 Receives the status of the condensation monitoring from the bus • Object 17 "Dew point alarm“ Receives the dew point alarm telegrams. 1 = Alarm Note: The behaviour is i ...
Updated: Feb-16 (subject to changes) Page 20 of 89 • Object 20 "Actuating value loss" / "sensor failure" The function of the object depends on the "Type of controller used" parameter on the "General" parameter page. Table 13 „Type of controller used“ Function Internal controller Reports error if the temperature sensor connection is interrupted or shorted. External controller* Reports whether the actuating value is being received at regular intervals. 1 = Actuating value loss 0 = Actuating value OK * Sensor errors are only r ...
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