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100% Fresh air

Outdoor air operation can be set using the control panel, X-TAIRMINAL or the central BMS

FSL-control III panel 

Digital control panel including temparature sensor and CO² traffic light

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Control panel for flush mounting, switches from the Busch Jäger Future linear range, for examplePart number: A00000079779

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Operation and setting via web server

FSL-Control III valve

Pressure-independent control valve

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100% Fresh air
FSL-control III panel 
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FSL-Control III valve

FSL-CONTROL III   

Stand-alone single room control equipment, especially for decentralised ventilation units, with communication with the central BMS as an option


Easy-to-operate single room control system as a plug and play solution: can be combined with façade ventilation units to provide demand-based ventilation and enable the control of the water-side components of the heating and cooling circuits

  • Variable heat recovery all year round – for maximum fresh air volume, even in winter

  • Demand-based room CO2or VOC led fresh air supply and simultaneous individual temperature control

  • 100% fresh air at the touch of a button

  • Low-noise operation at the touch of a button

  • Purge ventilation at the touch of a button

  • Individual indoor air quality adjustment

  • Integration of secondary systems, e.g. heated or chilled ceilings

  • Room temperature control or isothermal fresh air supply

  • Comfortable configuration of devices via the web server – no operating software required

  • Parallel operation with fume cupboards

General information

Application

  • Single room control system to be combined with decentralised ventilation units from TROX
  • Ready to operate, pre-wired single room control system, either as an integral part or in a separate control equipment box
  • Internally wired at the factory and individually tested before delivery
  • Control of all functions of a decentralised ventilation unit
  • Individual control strategies
  • Operation also possible without external peripheral systems: setup – connect – fresh air
  • Cost-effective integration into the central building management system
  • Pre-configured web server for further information and adjustments
  • Many different decentralised units can be implemented, but always the same controller and always the same data points


Special features

  • Simple integration into the central building management system via RS485 or Ethernet interface
  • Comfortable configuration of devices via the web server – no operating software required
  • Master-slave combination possible (maximum 10 slaves per master)
  • Automatic, energy-efficient switching between fresh air mode and secondary air mode (based on air quality, depending on unit)
  • Variable bypass damper for the heat recovery control
  • Heat recovery all year round
  • Cost-effective integration into the central building management system – reduced data points improve overview and operability
  • Read-out of slave data via the central BMS interface of the master – significantly reduced number of bus participants
  • Integrated all-room network: all devices in the room work the same, with only one connection to the central building management system
  • 13 digital switch contacts for connection of peripheral systems provided by others and for simple higher-order controls and monitoring
  • Continuous internal data logging – retrospective monitoring, error analysis and operational optimisation
  • Software update and adjustment of parameters via IP connection from a central location on all devices
  • Remote diagnostics via IP connection


Variants

Optional equipment and accessories

  • Various sensors, e.g. temperature, humidity or indoor air quality sensor
  • Real Time Clock (RTC) for the implementation of time-dependent operating modes (7 different profiles, 10 switching points per profile)
  • Bus communication possible via
    • Modbus RTU
    • Modbus TCP
    • BACnet MS/TP
    • BACnet/IP
  • Digital control panel with project-specific software
  • Analogue control panels (can be integrated with various switching programmes)
  • Electric valve actuators
  • Balancing and control valves (independent of pressure)
  • Electrical reheating coil (only SCHOOLAIR-V-HV-EH)


Standards and guidelines

  • CE-certified
  • IEC 61000-4-11
  • IEC 61000-4-5
  • EN 60730-1
  • UL 60730-1
  • EN 60068-2-6 Fc
  • UL 60730-2-9
  • IEC 61000-4-6
  • CAN/CSA-E60730-1
  • CSA E60730-2-9
  • IEC 61000-4-4
  • EN 60068-2-27
  • EN 60730-2-9
  • IEC 61000-4-2
  • IEC 61000-4-3
  • EN 55011
  • DE EN 61000-3-2
  • DE EN 61000-3-3
  • DIN EN 61000-6-2


Construction

  • Depending on the unit variant, the control components are either fitted inside the unit or in a separate box


Materials and surfaces

  • Casing made of sheet steel, powder-coated RAL 9005 (unless already integrated into the decentralised ventilation unit)



Functional description

Each decentralised ventilation unit has its own controller. This controls all functions that are necessary for operation, e.g. providing the control signal for fans and actuators. Through configuration and special software and hardware extensions, the existing controller is converted into a master controller that is required at least once in the room. Additional inputs and interfaces allow for the connection of components that are required for room control. The master controller can be extended using the RTC interface with a timer or Modbus RTU, Modbus TCP, BACnet MS/TP or BACnet IP interface for connection to a central BMS provided by others.



TECHNICAL INFORMATION

Technical data, Specification text, Order code

  • Technical data
  • SPECIFICATION TEXT
  • ORDER CODE

Operating temperature-20 – 60 °C
Relative humidity5 – 95%, no condensation
Air pressure> 700 hPa
Storage temperature-30 to 70 °C
Power consumption (depending on equipment)14 W

Specification text


FSL-CONTROL III is described as stand-alone single room control equipment with a simple timer. Optional expansions, such as connection to the central BMS (provided by others) via Modbus or BACnet, humidity sensors, return flow temperature sensors, electromotive valve actuators or pressure-independent control valves are included in the product range, but must be replaced with the standard components in the following description. A room temperature signal is also required. Various room control panels and sensors are available for this purpose. The corresponding optional equipment can be found in the appendix of the following standard equipment for room-autonomous operation.

TROX control module FSL-CONTROL III (order code ... -C3-MA ...)
Single room controller for mounting on DIN mounting rail in the unit or in a separate control casing. 42 digital or analogue inputs and outputs. MicroSD card as integral flash memory. The trend data is stored here and can be accessed via the RJ45 service socket or optionally via Ethernet. Equipped at the factory with a software package for master units specially developed for decentralised ventilation units. The software enables simple master-slave communication via Modbus RTU. Up to 10 slave devices can be connected to one master device. The software provides 3 types of operation (Off, Automatic and Manual), 3 operating modes (Occupied, Unoccupied and Standby) and 4 operating mode overrides (Boost, Class, Night Ventilation and Fan Forced Circuit).
Basic distinction between room temperature control by controlling heating and cooling valves or continuous bypass damper or supply air temperature control for isothermal ventilation. CO2or VOC led air quality control. Year-round heat recovery use.

Integral web server for simple configuration, commissioning and remote monitoring of the unit.

Filter monitoring
Configurable digital inputs (DI), e.g. for connection (by others) of PIR sensor, window contacts, holiday switching, etc. Alarm signals type A (switch-offs) and type B (notifications).

Real Time Clock (RTC / real time clock) (order code ...-T/...)
Component of the Master Software Package. Enables a simple timer, 7 days with 10 switching points each. Automatic summer/winter time changeover. Temporal activation of night purge.

 

CO2 sensor (order code .../C/...)
Sensor arranged in the extract air intake of the master unit for recording the indoor air quality and corresponding control of the fresh air flow rate. Measurement via an NDIR sensor, which works on an infrared basis and compensates for any contamination by its 2-beam measurement principle. Measuring range 0 – 2000 ppm.

 

VOC sensor (order code .../V/...)
Sensor arranged in the extract air intake of the master unit for recording the indoor air quality and corresponding control of the fresh air flow rate. Measurement via a micro metal oxide sensor with regular automatic calibration. Measuring range 0 – 2000 ppm CO2 equivalent.

 

Supply air temperature sensor (order code .../Z/...)
Supply air temperature sensor with NTC thermistor as sensing element, resistance 10 kΩ at 25 °C, measuring range 0 – 50 °C. Especially fast response time due to perforated measuring tip.

 

Fresh air temperature sensor (order code .../A/...)
Fresh air temperature sensor with NTC thermistor as sensing element, resistance 10 kΩ at 25 °C, measuring range -30 – 50 °C.

 

Water-side components (order code .../HV-R- .../KV-R- …)
Valve actuators:
1 × / 2 × thermoelectric actuator for opening and closing valves, with position indicator, including pluggable power rating, supply voltage 24V DC, control voltage 0 - 10 V DC, power consumption 1 W, protection level: IP 54.
Straight-way valves:
1 × / 2 × straight-way small valve 1/2" standard, manually preassembled, PN 16, DN 10, kvs 0.4 (alternatively 0.25, 0.63 or 1.0 m³/h – please state the required kvs value), threaded connection G 1/2B, operating fluid temperature 1 – 110 °C.
Lockshields:
1 × / 2 × lockshield on both sides 1/2", manually preassembled, nominal width DN 15; 1/2", valve casing straight through with male thread on both sides, flat seal, for restriction and shut-off, operating temperature max. 120 °C.

 

TROX control panels for FSL-CONTROL III

At least one room temperature signal is required per room. There are a number of variants of TROX control panels available, optionally with or without selector switch. Additionally we offer a room temperature sensor RTF without control elements. Alternative control panels provided by the customer must be connected via bus communication.

 

Digital control panel for surface mounting

For operation and adjustment of the ventilation units. Supplied loose as an accessory. Project-specific software including setpoint value adjuster, various status displays, selector switch, CO2 traffic light. Touch-sensitive colour display 3.5" 320 × 240 pixels. Sensor: NTC 10 kΩ, IP protection level: IP 20, installation: wall mounting or on flush box.

Type Schneider TM172DCLWT: dimensions (H × B × T): 120 × 86 × 25 mm, weight: 340 g, colour: white. Other design frames optionally available. Supply: 24 VDC, power consumption: 3.2 VA/1.3 W. Connection to master unit via Modbus serial line. 

 

Control panel with selector switch for surface mounting

For manual operation of the ventilation units.
Supplied loose as additional part, push button, setpoint value adjuster, status LED, 5-stage switch (Off, 1, 2, 3, Automatic), sensor: NTC 20 kΩ, IP protection level: IP 20, installation: wall-mounted or on standard flush-mounted box

Type Honeywell: dimensions (H × B × T): 104 × 99 × 30 mm, colour: white/blue.

Type Thermokon: dimensions (H × B × T): 84.5 × 84.5 × 25 mm, colour: pure white

 

Control panel without selector switch for surface mounting

For manual operation of the ventilation units.
Supplied loose as additional part, push button, set point value adjustment, status LED, sensor: NTC 10 kΩ, IP protection level: IP 20, installation: wall-mounted or on 70 mm flush-mounted box, dimensions (B × H × T): 84 × 116 × 24 mm, colour: light grey/white.

 

Room temperature sensor TROX RTF3 for surface mounting
Supplied loose as additional part, room sensor without control elements, sensor: NTC 10 kΩ, IP protection level: IP 20, installation: wall mounted or on 70 mm flush-mounted box, dimensions (B x H x T) 85 x 85 x 30 mm, colour: RAL 9010.

 

Control panel without fan stage selector for flush mounting

For manual operation of the ventilation units with a high-quality look and the matching design frame from a wide range of switch programmes, the unit is suitable for particularly design-oriented facilities.
Supplied loose as additional part, with mode display via LED, push button, setpoint value adjuster, sensor: NTC 20 kΩ, IP protection level: IP 20, installation in standard flush-mounted box

Available switch programmes:  Berker S.1, Berker Q.3, Busch Jäger Future linear

Further switch programmes on request.

 

Control panel without fan stage selector and without setpoint value adjuster for flush mounting

For manual operation of the ventilation units with a high-quality look and the matching design frame from a wide range of switch programmes, the unit is suitable for particularly design-oriented facilities.
Supplied loose as additional part, with mode display via LED, push button, sensor: NTC 20 kΩ, IP protection level: IP 20, installation in standard flush-mounted box

Available switch programmes:  Gira E2

Further switch programmes on request.

 

Optional equipment to increase the comfort of the FSL-CONTROL III

 

Electromotive valve actuator
As an alternative to the standard installed thermoelectric actuator: 1 ×/2 × thermoelectric actuator for opening and closing valves, supply voltage 24 V AC/DC, maximum power consumption 2.5 VA, signalling of control signal 0 – 10 V DC, permissible fluid temperature 1 – 110 °C.

 

Pressure-independent control valve
As an alternative to the standard installed straight-way small valve: 1 x / 2 x pressure-independent control valve, manually pre-assembled, with modulating open and close control in combination with an externally adjustable dynamic volume flow controller, with full valve authority, nominal width DN 10, ½", valve casing straight through with male thread on both ends, flat seal, fluid temperature 0 - 120 °C

 

Interface for connection to central building management system (BMS) provided by others
To increase comfort, we recommend integration into a central BMS provided by others.
Available interfaces:

  • Modbus TCP (Ethernet) including web server (order code .../MT/...)
  • Modbus RTU (RS 485) including web server (order code .../MR/...)
  • BACnet IP (Ethernet) including web server (order code .../BI/...)
  • BACnet MS/TP (RS 485) including web server (order code .../BM/...)



Commissioning

  • We recommend commissioning by our technical service.

C3MATMT/C/Z/A/HVR0,4/KVR0,63
| | | | | | | ||||| |
1 2 3 4 5 6 7 89101112 13

1 Accessories
C3 With FSL-CONTROL III 

2 Variant
MA Master
SL Slave 

3 Real time clock, only master
No entry required: None
T With 

4 Interface
No entry required: None

MR With Modbus RTU
MT With Modbus TCP

BI With BACnet IP
BM With BACnet MS/TP 

5 Air quality sensor, master only
No entry required: None
C With CO22sensor
V With VOC sensor 

6 Supply air temperature sensor
No entry required: None
Z With 

7 Outdoor air temperature sensor, Master only
No entry required: None
A With 

8 Valve – heating circuit
No entry required: None
HV With 

9 Lockshield – heating circuit
No entry required: None

R With 

10 kVS kVS value – heating valve
0.25 Straight-way valve
0.40 Straight-way valve

0.63 Straight-way valve

1.00 Straight-way valve

F0.50 Pressure-independent control valve 


11 Cooling valve
Only 4-pipe systems
KV With 

12 Lockshield – cooling circuit
R With 


13 kVS valve – cooling valve
0.25 Straight-way valve
0.40 Straight-way valve
0.63 Straight-way valve

1.00 Straight-way valve
F0.50 Pressure-independent control valve

Wiring I

  • Wiring

General information

Use only cables that are designed for the supply voltage for which they will be used. The length and cross section as well as any contact resistance may increase voltage losses. The power rating of each decentralised ventilation unit in accordance with the following table must also be considered.

A skilled qualified electrician has to select the correct cable types and sizes. This job must only be carried out by specialist electrical companies. The power ratings are listed below.

Power ratings

Horizontal sill installation

  • FSL-B-ZAB/SEK: Apparent power 234 VA
  • FSL-B-ZAB+SEK: Apparent power 255 VA
  • SCHOOLAIR-B: Apparent power 238 VA
  • SCHOOLAIR-B-HE: Apparent power 547 VA
  • SCHOOLAIR-B-HV: Apparent power 617 VA

Vertical sill installation

  • SCHOOLAIR-V-2L: Apparent power 226 VA
  • SCHOOLAIR-V-4L: Apparent power 226 VA
  • SCHOOLAIR-V-1800: Apparent power 217 VA
  • SCHOOLAIR-V-HE: Apparent power 592 VA
  • SCHOOLAIR-V-HV: Apparent power 647 VA
  • SCHOOLAIR-V-HV-EH: Apparent power 2247 VA

Ceiling installation

  • FSL-D-ZAB/SEK: Apparent power 197 VA
  • SCHOOLAIR-D-2L: Apparent power 197 VA
  • SCHOOLAIR-D-4L: Apparent power 197 VA
  • SCHOOLAIR-D-HV-2L: Apparent power 677 VA

Underfloor installation

  • FSL-U-ZAS: Apparent power 326 VA

Note: Please also note the rating plate on the decentralised ventilation unit.

Supply voltage

  • 230 V AC ± 10%
  • A connecting cable 3 × 1.5 mm² (L, N, PE) with a length of at least 1 m is used


Connection to building management system (central BMS)

Master unit

  • Modbus TCP // BACnet IP via a standard network cable with RJ45 plug connector
  • Modbus RTU // BACnet MS/TP via a shielded cable, e.g. Unitronic BUS LD 2 × 2 × 0.22 mm² (or equivalent)


Slave device

  • If a slave device is connected using a standard cable with RJ45 plug socket to the central building management system, the current parameters can be displayed and set using the IP address and browser
  • Without connecting the slave devices to the central building management system, a selection of data points can be called up using the connected master


Connection of TROX - Peripherals
Control panel

To prevent interferences, these cables must be shielded, e.g. LiYCY 5 x 0.5 mm² (or equivalent)

Communication of master/slave

  • The devices are connected by the customer with a shielded cable, e.g. Unitronic BUS LD 2 × 2 × 0.22 mm² (or equivalent)
  • A resistance of 120 Ω must be ensured on the first and last BUS participant

Connection of digital switch contacts (inputs and outputs)

  • To prevent interferences, these cables must be shielded, e.g. LiYCY 2 x 0.5 mm² (or equivalent)



Communication of master/slave

  • The ventilation units can be operated within a control zone as master and slave in the network
  • The master transfers the most important measured values to the slave devices
  • Up to a maximum of 10 slave devices can be connected to one master device


 Digital switch contacts (inputs and outputs)

  • Using digital inputs and outputs, information can be sent to the central building management system without a connection.
  • 6 inputs and 7 outputs are available.
  • All contacts can be configured as NO or NC contacts.
  • Digital switch contacts can be used for various functions.


Wiring II

  • WIRING
X3FunctionOpenClosedCable break safety device
6PIR sensorValid operating modeOccupied
5Window contactOffAutomaticYes
4Fire emergency stopOffAutomaticYes
3Operating enableOffAutomatic
2ChangeoverHeatingCoolingYes
1Fume cupboard switchInactiveActive


 


Communication from device to central building management system

FSL-CONTROL III data pointsModbus RegisterBACnetRecommended
Output operating mode9100Multistate Input Value (7) Instance 0Yes
Output operating mode9101Multistate Input Value (7) Instance 1Yes
Output operating mode override9102Analogue Input Value (0) Instance 27Yes
Operating state9103Analogue Input Value (0) Instance 28
Output type of ventilation9104Multistate Input Value (7) Instance 2
Output of current supply air temperature9105Analogue Input Value (0) Instance 0Yes
Output current outdoor temperature9106Analogue Input Value (0) Instance 1Yes
Output current room temperature9107Analogue Input Value (0) Instance 2Yes
Output current return temperature9108Analogue Input Value (0) Instance 3
Output current flow temperature9109Analogue Input Value (0) Instance 4
Output current room/supply air temperature offset9110Analogue Input Value (0) Instance 5
Output overtime activation9111Binary Value (5) Instance 7
Output temperature upper limit9112Analogue Input Value (0) Instance 6Yes
Output temperature lower limit9113Analogue Input Value (0) Instance 7Yes
Output supply air setpoint temperature9114Analogue Input Value (0) Instance 8Yes
Output fan stage9115Analogue Input Value (0) Instance 29Yes
Output current room humidity9116Analogue Input Value (0) Instance 9
Output current indoor air quality9117Analogue Input Value (0) Instance 10Yes
Output volume flow rate outdoor air9118Analogue Input Value (0) Instance 11
Output volume flow extract air9119Analogue Input Value (0) Instance 12
Alarm A consolidated alarm9120Analogue Input Value (0) Instance 16
Alarm B consolidated alarm9121Analogue Input Value (0) Instance 17
Output window contact9123Binary Value (5) Instance 6
Output fire alarm9124Binary Value (5) Instance 5Yes
Number of connected devices9125Analogue Input Value (0) Instance 13
Output requirement room9126Multistate Input Value (7) Instance 3
Output requirement valve9127Multistate Input Value (7) Instance 4
Output control of master heating valve9128Analogue Input Value (0) Instance 14Yes
Output control of master cooling valve9129Analogue Input Value (0) Instance 15Yes
Output supply air temperature slave 19130Analogue Input Value (0) Instance 18Yes
Output supply air temperature slave 29131Analogue Input Value (0) Instance 23
Output supply air temperature slave 39132Analogue Input Value (0) Instance 24
Output supply air temperature slave 49133Analogue Input Value (0) Instance 44
Output supply air temperature slave 59134Analogue Input Value (0) Instance 45
Output supply air temperature slave 69135Analogue Input Value (0) Instance 46
Output supply air temperature slave 79136Analogue Input Value (0) Instance 47
Output supply air temperature slave 89137Analogue Input Value (0) Instance 48
Output supply air temperature slave 99138Analogue Input Value (0) Instance 49
Output supply air temperature slave 109139Analogue Input Value (0) Instance 50
Output control of heating valve slave 19140Analogue Input Value (0) Instance 19Yes
Output control of heating valve slave 29141Analogue Input Value (0) Instance 22
Output control of heating valve slave 39142Analogue Input Value (0) Instance 25
Output control of heating valve slave 49143Analogue Input Value (0) Instance 30
Output control of heating valve slave 59144Analogue Input Value (0) Instance 31
Output control of heating valve slave 69145Analogue Input Value (0) Instance 32
Output control of heating valve slave 79146Analogue Input Value (0) Instance 33
Output control of heating valve slave 89147Analogue Input Value (0) Instance 34
Output control of heating valve slave 99148Analogue Input Value (0) Instance 35
Output control of heating valve slave 109149Analogue Input Value (0) Instance 36
Output control of cooling valve slave 19150Analogue Input Value (0) Instance 20Yes
Output control of cooling valve slave 29151Analogue Input Value (0) Instance 21
Output control of cooling valve slave 39152Analogue Input Value (0) Instance 26
Output control of cooling valve slave 49153Analogue Input Value (0) Instance 37
Output control of cooling valve slave 59154Analogue Input Value (0) Instance 38
Output control of cooling valve slave 69155Analogue Input Value (0) Instance 39
Output control of cooling valve slave 79156Analogue Input Value (0) Instance 40
Output control of cooling valve slave 89157Analogue Input Value (0) Instance 41
Output control of cooling valve slave 99158Analogue Input Value (0) Instance 42
Output control of cooling valve slave 109159Analogue Input Value (0) Instance 43



Communication from the central BMS to the device

FSL-CONTROL III data pointsModbus RegisterBACnetRecommended
Default operating mode9000Multi State Value (9) Instance 0Yes
Default operating mode9001Multi State Value (9) Instance 1Yes
Default operating mode override9002Analogue Value (2) Instance 13Yes
Default current outdoor temperature9003Analogue Value (2) Instance 0Yes
Default temperature limit cooling9004Analogue Value (2) Instance 1Yes
Default temperature limit heating9005Analogue Value (2) Instance 2Yes
Default current room temperature9006Analogue Value (2) Instance 3Yes
Default room air temperature setpoint9007Analogue Value (2) Instance 4
Default offset to the room temperature setpoint9008Analogue Value (2) Instance 5Yes
Default supply air temperature setpoint9009Analogue Value (2) Instance 6
Default offset to the supply air temperature setpoint9010Analogue Value (2) Instance 7
Default current relative room air humidity9011Analogue Value (2) Instance 8
Default change over operation9012Multi State Value (9) Instance 2
Default fan stage9013Analogue Value (2) Instance 9
Default room air quality (internal)9014Analogue Value (2) Instance 10
Default outdoor air quality (external)9015Analogue Value (2) Instance 11
Default volume flow rate difference9016Analogue Value (2) Instance 12
Default fire emergency stop9017Binary Value (5) Instance 0Yes
Default window contact9018Binary Value (5) Instance 1
Default overtime9020Binary Value (5) Instance 2
Default filter reset9021Binary Value (5) Instance 3Yes
Default automatic fresh air system9022Multi State Value (9) Instance 4Yes


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Our department for Service-Requests will contact you asap.
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Tel.: +49 (0)2845 / 202-0 | Fax: +49 (0)2845/202-265