Koer C35-FC Technical Manual Download Page 17

17

C35-FC

Figure 10.3.b 

Standby mode activated by scheduler

Figure 10.3.c 

Standby mode activated by window contact (if 

enabled in parameters)

Figure 10.3.d 

Standby mode activated remotely through 
C35-CBMS device

NOTE:

 Similarly to 

Economy 

mode, users will not be able 
to adjust any setpoints from 
the Home screen unless 
Occupied mode is activated 
(see chapter 

10.5. Occupied 

mode). 

Standby mode can be 
activated manually using the   
      button or with the 
scheduler. 

Standby mode 

will be activated if a window 
contact switch is connected 
and a Window is open (see 
chapter 

13.1. Binary input 

(BIN1)).

NOTE

: In Standby mode, the 

display will be turned off 
after 5 minutes by default. 
This setting can be changed 
in 

Display menu (see chapter 

11.4. Display).

Summary of Contents for C35-FC

Page 1: ...C35 FC Technical Manual Configurable zone temperature and relative humidity controller for fan coil floor convector systems and Universal HVAC applications Firmware Version C35 FC 1 0...

Page 2: ...2 C35 FC Revision table Revision number Affected pages Affected sections Date Reviser...

Page 3: ...Heating Cooling Manual Changeover 11 7 Sound On Off 11 8 About 12 Advanced Menu 12 1 Network 12 2 Security 12 3 Parameters 12 4 Offset 12 6 Setpoint Limits 12 7 Language 13 In Out Menu 13 1 Binary in...

Page 4: ...C35 FC can be combined with FC RB fan coil driver for control of the following operational elements 3 speed motors 1 speed motors Thermal valve actuators ON OFF The following elements can be connecte...

Page 5: ...on 1 5 Type Summary Ordering Info Product Summary Inputs Outputs Built in Sensors Protocol Network Interface Enclosure color 0 10 V Pt1000 Binary 3x0 10V Temp Humidity BACnet RS485 Isolated rs 485 Whi...

Page 6: ...6 C35 FC 3 Device Overview Figure 3 1...

Page 7: ...g environment is safe Ideal mounting conditions include inside facing walls which are in an open and central location of the unit s area of operation Warning In order to ensure accurate readings and c...

Page 8: ...ower supply prior to commencing installation of the wall mount or any wiring 1 Place the wall mount on the conduit box 60 3mm and insert two screws which are provided NOTE Alternate screws with the pa...

Page 9: ...re in the correct terminals and that the correct voltage is being provided 3 Attach C35 to the wall mount by sliding the unit onto the mounting brackets as shown in the diagrams below The unit will cl...

Page 10: ...ructions on page 26 6 2 Relative humidity measurement The built in humidity sensor optional utilises temperature readings to calculate relative humidity Allow 30 minutes for the device to calculate ac...

Page 11: ...red by the sensor Pt1000 Platinum resistance temperature sensor with resistance of 1000 Ohm at 0 C rh Relative humidity RTD Resistive Temperature Detector 8 Definitions Term Description BACnet A commu...

Page 12: ...or decrease setpoints 6 Select to adjust temperature setpoint and fan speed in Comfort mode or activate deactivate Occupied mode in Economy and Standby modes 6 1 Temperature C 6 2 Fan speed 6 4 Occupi...

Page 13: ...y users of the device s current status NOTE If C35 FC is remotely controlled by C35 CBMS working and operating modes cannot be changed from the home screen of the device because the button will not be...

Page 14: ...e scheduler and in short term applications with the Occupied button In this mode users are able to adjust setpoints on the homescreen and in the setpoints menu Changes on the homescreen will be saved...

Page 15: ...nt of time by pressing button see chapter 10 5 Occupied Mode NOTE Users will not be able to adjust any setpoints from the home screen in Economy mode The setpoints for economy mode can be adjusted in...

Page 16: ...c for heating mode or above 45 c for cooling mode If C35 FC detects that a setpoint is exceeded the HVAC system will be activated to protect the controlled environment and to ensure the temperature r...

Page 17: ...to adjust any setpoints from the Home screen unless Occupied mode is activated see chapter 10 5 Occupied mode Standby mode can be activated manually using the button or with the scheduler Standby mod...

Page 18: ...n overview When Occupied mode is activated the system will operate in Comfort mode and a countdown timer will appear on the Home screen The default Occupied timer is set to 60 minutes The duration can...

Page 19: ...le The The setpoints for heating cooling and relative humidity can be adjusted in the Setpoint menu for each operating mode Comfort Economy and Standby These setpoints will be used by the scheduler or...

Page 20: ...to change the display brightness Turn Off Display Select EDIT from the options to enable the screen to turn off after 5 15 or 30 minutes or never Dim Display Select EDIT from the options to enable the...

Page 21: ...ons on the Menu screen Manual changeover is only possible when Cooling or Heating is selected as the control sequence in Parameters see chapter 12 3 Parameters and when Sensor function in the In Out m...

Page 22: ...OTE All devices must be set on the same Baud Rate The available options are 9600 19200 38400 57600 76800 default value Once the desired settings have been selected press the button to save any changes...

Page 23: ...ter the CBMS Device ID only if you want to enable automatic switch off of the Remote Control mode If the CBMS Device ID is entered the C35 FC or the C35 VAV will periodically check whether the C35 CBM...

Page 24: ...Home screen press the Lock Home Screen button so that its status is On Unlock Setpoint Buttons This function allows users to change the setpoint when the Home screen is locked It can only be activated...

Page 25: ...nes whether the controlled fan coil is equipped with EC motor fan or a 3 or 1 speed motor fan This setting will affect analog output AO1 voltages Fan motor type EC motor By selecting EC motor user wi...

Page 26: ...PID Kd parameter values If 2 term PI or 1 term P control is needed adjust unnecessary values to zero ECM voltage The analog output signal AO1 for the EC motor can be con gured with three parameters E...

Page 27: ...ction any time a relative humidity value measured by the internal sensor of the device exceeds the Max Relative Humidity value the C35 FC H will activate its fan and open the cooling valve until humid...

Page 28: ...imits Adjust the limits for each setpoint on screens 1 to 4 using the buttons Select to save your changes Select the Language button on the Advanced menu screen Select the desired language from the av...

Page 29: ...ecting the binary input polarity Normally open or Normally closed Select to save your changes 13 2 1 RTD sensor Function Changeover If the RTD sensor function parameter is set to Changeover the device...

Page 30: ...nd 14 1 2 pipe fan coil with ECM fan and electrical actuator 14 Applications and connection diagrams HOME MENU ADVANCED PARAMETERS 1 4 Application type 2 pipe system Control sequence Cooling only Heat...

Page 31: ...O1 AO2 AO3 24V GND G D D GND GND GND RTD RTD BIN1 GND 24V AC DC G D D BACnet S1 D1 T T1 G D D M1 V1 V2 6A 14 3 2 pipe and auxiliary heater HOME MENU ADVANCED PARAMETERS 1 4 Application type 2 pipe aux...

Page 32: ...0 10 V V1 Cooling or heating valve actuator DC 0 10 V E1 Current valve for electric heater DC 0 10 V V2 Floor Heating valve actuator for radiator DC 0 10 V S1 Switch for window or presence sensor cont...

Page 33: ...sor T1 Remote temperature sensor PT1000 Figure 14 6 1 Functional diagram F igure 14 6 2 Connection diagram 14 7 Chilled ceiling and floor heating HOME MENU ADVANCED PARAMETERS 1 4 Application type Chi...

Page 34: ...8 3 14 9 Applications with 3 or 1 speed motor and thermal valve actuators using FC RB AO1 AO2 AO3 24V GND G D D RTD RTD BIN1 GND 230V AC 50 Hz L N V1 V2 AI1 AI2 AI3 24V AC GND 10 A DO1 DO2 DO3 DO5 D2...

Page 35: ...ut 5 DO5 through analog input 3 AI3 on FC RB C35 FC G0 Power supply voltage ground G D D SC AI M Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 RTD Pin 8 9 Power supply voltage 24 V AC RS485 data RS485 dat...

Page 36: ...the cable is disabled 16 BACnet MS TP network recommendations 16 1 Wiring and topology BACnet wiring requirements Use Shielded Twisted Pair cable 0 2 mm2 Maximum cable length for a data bus segment m...

Page 37: ...e is no guarantee that the potentials at the earth grounds of different nodes in the system are within the common mode range of the receiver The benefits of galvanic isolation extend beyond safety and...

Page 38: ...or Type Capacitive Range 0 100 rH from 40 C to 75 C Accuracy 2 at 25 C RS485 Bitrate 250 kbps up to 2000 m Isolation Galvanic optional Termination 120 jumper selectable Connection terminals Single str...

Page 39: ...ls for household and similar use EN60730 1 Electromagnetic Compatibility EMC Emission standard for residential commercial and light industrial environments EN 61000 6 3 2007 Immunity for industrial en...

Page 40: ...calibrated Calculate and input the offsets See chapter 12 4 Offsets Display is not ON or the device appears to be OFF Touch the screen the device should awaken upon contact If not The connecting pins...

Page 41: ...from the settings menu Check if the heating or cooling button is unavailable dimmed button Manual changeover is disabled Manual changeover is only possible when Control sequence is set to Heating or...

Page 42: ...on data bus Check the connection terminals on the wall mount BACnet data bus polarity has been incorrectly connected Rewire the D and D signal wires to correct polarity Check the Max Master parameter...

Page 43: ...d the screen untilit reaches the Press to reset all parameters section 3 The device will boot up with all the default parameters NOTE As the device has been reset to factory settings please see chapte...

Page 44: ...table where not otherwise required by this standard 5 List of proprietary properties and for each its property identi er data type and meaning 6 List of any property range restrictions BACnet Protocol...

Page 45: ...G_VALUE Y N N AVERAGING N N N BINARY_INPUT Y N N BINARY_OUTPUT Y N N BINARY_VALUE Y N N CALENDAR N N N COMMAND Y N N DEVICE Y N N EVENT_ ENROLLMENT N N N FILE Y N N GROUP N N N LOOP N N N LIFE_SAFETY_...

Page 46: ...se 6 List all routing configurations e g ARCNET Ethernet Ethernet MS TP etc Annex H BACnet Tunneling Router over IP BACnet IP Broadcast Management Device BBMD Does the BBMD support registrations by Fo...

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