This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design program.
X-CUBE/SCHOOLAIR-S-HV-EH/1200×2300×600/0/C3
Floor-standing decentralised ventilation unit
Please note:
The described floor-standing ventilation unit is equipped with an integrated single room control system for independent room control. The supplied controllers contain the parameters of the standard control for operation according to our control description
Ventilation unit for schools – floor-standing – master unit
Decentralised ventilation unit TROX X-CUBE/SCHOOLAIR-SHV-0-EH with supply and extract air function, with rotary heat recovery unit and electric reheating function, for floor-standing installation:
- Just one unit fulfills the increased fresh air requirement for an entire classroom
- Installation in front of any wall
- Two-part unit casing made of galvanised sheet steel, consisting of upper and lower part, all necessary internal air ducts sealed and lined, internal electric cable bushings sealed
- Exposed surfaces are powder-coated in two colours – body in RAL 9010 GU 30 (alternatively RAL 7012 GU 30), top trim frame and plinth in RAL 7012 GU 30 (alternatively RAL 9010 GU 30)
- Sound and heat-insulating lining on suction and discharge side made of mineral wool faced with glass fibre scrim (building material class A, non-combustible as per DIN 4102, T1), abrasion-resistant up to air velocities of 20 m/s, or closed cell insulation material
- The unit meets the hygiene requirements of VDI 6022
- Easy assembly of the two-part casing on site thanks to internal (i.e. not visible) connection points
- Levelling feet, ±10 mm, to compensate for construction tolerances
- Optically covered adjustable slotted hole bracket for fixing to the wall from 0 - 80 mm wall distance (anti-tilt device)
- Connection to the on-site outdoor air and exhaust air ducts by means of circular spigots (250 mm) with lip seal. The intake and discharge resistance of the on-site construction should not exceed 40 Pa at nominal volume flow rate
- Extract air intake at the bottom front of the unit
- Air discharge is at the top of the unit; the TROX DLQ 400 supply air diffuser ensures complete room ventilation, no matter where in the room the ventilation unit is installed
- The inspection access doors are hinged and fitted with special fasteners to facilitate maintenance. The area in front of the unit must be kept clear for maintenance and repair. An opening angle of at least 90° has to be ensured (1200 mm swivel radius)
- Supply and extract fan: Use of 2 free-running impellers with backward-curved blades, energy-saving EC technology, classified in category SFP 0 (< 300 W/(m³/s)) according to DIN EN 16798-3:2017-11, a connected load of 3640 VA must be taken into account when dimensioning the connecting cable
- Suitable for 3 speed levels (300, 500 and 800 m³/h as well as boost level of 1050 m³/h), signalling by means of integral single room control system; the volume flow rate can be corrected at a later stage by adjusting the control voltage
- Upstream and downstream sound attenuators minimise the sound power levels and increase the efficiency of the fans at the same time
- The technical requirements of EU directive 1253/2014 for non-residential ventilation systems are fulfilled and documented in accordance with the directive
- Integral rotary heat exchanger for heat recovery, with high heat recovery efficiency (> 80%), modulating control by integral single room control system
- No condensate pipes required
- Motorised shut-off dampers in the outdoor and exhaust air ducts, normally closed when there is no power (capacitors), 230 V open/close actuator, signalling via integral single room control system
- Automatic room air quality measurement with integral CO2sensor (optional)
- Integral electrical components are completely wired with FSL-CONTROL III, control components are integrated in the unit. Cable for on-site connection (provided by the client) to the power supply (L, N, PE), with wire end ferrules, approx. 1 m routed out of the unit as transfer point to the on-site electrical installation:
- Supply voltage (230 V): 3 wires, 3 × 2.5 mm² (L, N, PE)
- Connection option for bus communication (optional), connection of room control panel etc. after opening the customer area of the control unit. As a transfer point to the on-site measurement & control system:
- Rail mount terminals type Wago 260 for the on-site connection of
- Digital inputs DI
- Digital outputs DO
- Master-slave connection RS485
- Optional integration into MCE/BACS via RS485
- (Modbus/BACnet)
- Control panel
- RJ45 socket as service access to the user interface
- Optional integration into an on-site MCE/BACS via Ethernet (Modbus/BACnet)
- The following sensors are included in the unit as part of the single room control system (the actual room temperature is captured at the room control panel):
- Room air quality sensor CO2
- Supply air temperature measurement downstream of the heat exchanger
- Outdoor air temperature measurement in the outdoor air intake
- The outdoor air filter is a pocket filter with non-woven glass fibre, ISO ePM1 (fine dust filter):
- Filter class to ISO16890: ISO ePM1 60%
- Eurovent Certification for fine dust filters
- Meets the hygiene requirements of VDI 6022
- High energy efficiency class according to Eurovent
- Glass fibre nonwovens, in sewn design
- Enlarged filter area due to filter pockets
- Low initial differential pressure and high dust holding capacity, ideal airflow conditions due to wedgeshaped filter pockets
- Quick installation and filter changes thanks to easy and safe handling
- Filter area ≥ 3m²
- Extract air filter with large filter surface due to pleated filter media
- Filter class to ISO 16890: ISO Coarse 90%
- Low differential pressures at high volume flows
- Filter media made of synthetic fibres
- Moisture-resistant frame made of non-woven fabric
- Tested as per ISO 16890
- Quick filter change because the filters can be accessed without any tools once the inspection access doors of the casing have been opened
- Differential pressure measurement for filter monitoring, evaluation via integrated single room control system
- The heat exchanger is an electric air heater
- Maximum heating capacity according to the version shown in the order code:
- EH-30: 3000 W, continuously controlled
- EH-24: 2400 W, continuously controlled
- EH-18: 1800 W, continuously controlled
- EH-12: 1200 W, continuously controlled
- Maximum surface temperature restricted to 60°C, thus preventing dust smouldering
- Including control loop, consisting of temperature sensor, NTC 10 kΩ, and power controller
- Recommended supply air temperature: 25 °C max.
- Including safeguards:
- Airflow monitor
- Safety temperature limiter, mechanical, automatically resetting
- Safety temperature monitor, mechanical, no auto reset
Devices - dimensions and weight:
Width: 1200 mm
Height: 2300 mm (including anti-tilt brackets)
Depth: 600 mm
Footprint: 0.72 m²
Weight: approx. 360 kg
FSL-CONTROL III controller
- Self-sufficient single-room control with simple time programme
Optional expansions for FSL-CONTROL III:
- Humidity sensor Return temperature sensor
- Electric valve actuators
- Pressure-independent control valves
- Integration into an on-site MCE/BACS via:
- Modbus TCP
- Modbus RTU
- BACnet MS/TP
- BACnet IP
Note:
The optional expansions are included in the delivery programme, but must be exchanged for the standard components in the following description.
- A room temperature signal is required
- Various room control panels and a room temperature sensor are available
- Associated optional equipment options - see Optional control accessories.
- We recommend commissioning by TROX.
TROX control module FSL-CONTROL III (order code ...-C3- MA ...):
- Single room controller to be mounted on a DIN mounting rail in the device or in a separate control casing
- 42 digital or analogue inputs and outputs
- Integrated microSD card as flash memory medium
- At least 2 GB storage space
- Saves the trend data
- Retrievable via RJ45 connection socket
- Factory-equipped with a software package for master units specially developed for decentralised ventilation units.
- For simple master-slave communication via Modbus RTU
- Up to 10 slave devices can be connected to one master device
- Software:
- 3 operating modes: Off, Automatic, Manual mode
- 3 operating modes: Occupied, Unoccupied, Standby
- 4 operating mode overrides: Boost, closed circuit, night purge, 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 operation
- CO2-guided air quality control
- Heat recovery all year round
- Filter monitoring
- Configurable DI for on-site connection of presence detectors, window contacts, holiday switching, etc.
- Alarm messages: Type A (shutdowns) and Type B (notifications)
Real time clock (RTC)
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
CO22sensor (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 outdoor 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
Supply air temperature sensor
Supply air temperature sensor (order code .../Z/...):
- Supply air temperature sensor with NTC thermistor, 10 kΩ at 25 °C, measuring range -35 to 105 °C
- Very short response time due to perforated measuring tip
Outdoor air temperature sensor
Outdoor air temperature sensor (order code .../A/...):
- Outdoor air temperature sensor with NTC thermistor, 10 kΩ at 25 °C, measuring range -35 to 105 °C
Optional control accessories
Optional equipment to increase the comfort of the FSLCONTROL III:
TROX room control panels for FSL-CONTROL III
At least one room temperature signal is required per room. There are several variants of TROX room control panels available, optionally with or without selector switch. Additionally, we offer a room temperature sensor RTF without control elements. Alternative on-site room control panels must be connected via bus communication.
Digital room control panels for surface mounting:
For operation and adjustment of the ventilation units.
- Supplied loose as an accessory. Connection to the master unit via Modbus serial line. Project-specific software including setpoint value adjuster, various status displays, selector switch, CO2 indicator. Touch-sensitive colour display 3.5" 320 × 240 pixels. Sensor: NTC 10 kΩ. Degree of protection: IP 20. Type: Schneider TM172DCLWT. Dimensions (H × B × T): 120 × 86 × 25 mm. Weight: 340 g, colour: white. Installation: Surface mounting or on a standard flush-mounted box. Power supply: 24 V DC (including suitable switching power supply unit for flushmounted installation). Power consumption: 3.2 VA/1.3 W. Other design frames are available upon request and for a surcharge.
Control panels with selector switch for surface mounting:
Control panel with selector switch, for surface mounting, type Thermokon
Supplied loose as an accessory, with room temperature sensor, setpoint adjuster, override button, LED and 3-step switch as well as Off and Automatic, casing made of PVC0, pure white (RAL 9010), for mounting on a 60 mm flush box or for surface mounting, NTC thermistor as sensor, resistance 20 kΩ at 25 °C, dimensions (B × H × T): 84.5 x 84.5 x 25 mm, operating temperature: -35 to 70 °C
Control panels without selector switch for surface mounting:
Control panel without selector switch, type Thermokon, for surface mounting:
- Supplied loose as an accessory, with mode display, push button and setpoint adjuster, NTC thermistor as sensor, 20 kΩ, protection level IP 20, dimensions (B × H × T): 84.5 x 84.5 x 25 mm
Room temperature sensor for surface mounting:
Room temperature sensor TROX RTF, surface mounting
- Supplied loose as an accessory, room temperature sensor without any control elements, measuring range -35 to 70 °C, sensor NTC 10 kΩ, connection terminal screw terminal, d = 1.5 mm, protection level IP 20, surface mounting or on a 70 mm flush-mounted box, dimensions (B × H × T): 85 x 85 x 30 mm, casing ABS, in RAL 9010
Control panels without selector switch for flush mounting:
For manual operation of the ventilation units with a high-quality look and the matching design from a wide range of switch programmes, the unit is suitable for particularly design-oriented facilities.
Control panel without selector switch, type Thermokon, for flush mounting, switch from Berker S.1 range, polar white
- Supplied loose as an accessory, with mode display, push button and setpoint adjuster, NTC sensor 20 kΩ, protection level: IP 20
Control panel without selector switch, type Thermokon, for flush mounting, switch programme Berker Q.3, white
- Supplied loose as an accessory, with mode display, push button and setpoint adjuster, NTC sensor 20 kΩ, protection level: IP 20
Control panel without selector switch, type Thermokon, for flush mounting, switch programme Busch-Jäger future® linear, white
- Supplied loose as an accessory, with mode display, push button and setpoint adjuster, NTC sensor 20 kΩ, protection level: IP 20
- Other switch programmes on request
Control panels without selector switch and without setpoint value adjuster, for flush mounting:
Control panel without selector switch and without setpoint value adjuster, type Thermokon, for flush mounting, switch from Gira E2 range
- Supplied loose as an accessory, with mode display and push button, NTC sensor 20 kΩ, protection level: IP 20
- Other switch programmes on request
Interface for integration into an on-site MCE/BACS:
Modbus TCP interface including web server (order code .../ MT/...)
To increase convenience, we recommend integration into an onsite MCE/BACS or visualisation with X-TAIRMINAL. FSLCONTROL III can be integrated into an on-site MCE/BACS via the Modbus TCP protocol. Additionally including web server for simplified configuration, commissioning and remote monitoring of the unit. The MCE/BACS is not included in the supply package from TROX GmbH, only the interfaces listed above are available here.
- Modbus TCP interface (Ethernet)
BACnet IP interface including web server (order code .../BI/...)
To increase convenience, we recommend integration into an onsite MCE/BACS. FSL-CONTROL III offers the option of being integrated into an on-site MCE/BACS via the BACnet IP protocol. Additionally including web server for simplified configuration, commissioning and remote monitoring of the unit. The MCE/ BACS is not included in the supply package from TROX GmbH, only the interfaces listed above are available here.
- BACnet IP interface (Ethernet)
Modbus RTU (order code .../MR/...)
To increase convenience, we recommend integration into an onsite MCE/BACS. FSL-CONTROL III offers the option of being integrated into an on-site MCE/BACS via Modbus RTU. The MCE/BACS is not included in the supply package from TROX GmbH, only the interfaces listed above are available here.
- Modbus RTU interface (RS485)
BACnet MS/TP (order code .../BM/...)
To increase convenience, we recommend integration into an onsite MCE/BACS. FSL-CONTROL III offers the option of being integrated into an on-site MCE/BACS via BACnet MS/TP. The MCE/BACS is not included in the supply package from TROX GmbH, only the interfaces listed above are available here.
- BACnet MS/TP interface (RS485)
Version as a slave device
Identical to the master device, as described above, but with the following deviations:
- No room air quality measurement in the unit
- No connection option for room control panels
- No outdoor temperature detection in the outdoor air
- No connection to on-site bus communication possible
- Pre-assembled self-sufficient control system for decentralised façade ventilation units in slave version
Replacement filter set suitable for the appliance version
- Extract air filter as Z-Line filter
- Outdoor air filter as pocket filter
Commissioning of the decentralised ventilation units
Commissioning/parameter setting of the decentralised ventilation units without integration into an on-site MCE/BACS
- Visual inspection of the on-site device connections, for compliance with the respective installation specifications from the installation and configuration instructions: air connections, heating/cooling connection, electrical connections, integration into the installed unit casing, connections of external components
- Check and, if necessary, adapt the project parameters preset in the factory with regard to customer-specific adaptations
- Functional test of the individual components (control elements, fans, valves, dampers, sensors)
- Checking the project-specific control functions, including any special functions such as potential-free switch contacts
- Documentation of the device settings and service work in a service report. The service report must be signed by your company or a representative as the client
- Invoicing is based on a flat rate, derived from the number of devices and distance
Commissioning/parameter setting of the decentralised ventilation
units with integration into an on-site MCE/BACS
- Visual inspection of the on-site device connections, for compliance with the respective installation specifications from the installation and configuration instructions: air connections, heating/cooling connection, electrical connections, integration into the installed unit casing, connections of external components, connections of the MCE/BACS
- Check and, if necessary, adapt the project parameters preset in the factory with regard to customer-specific adaptations
- Functional test of the individual components (control elements, fans, valves, dampers, sensors)
- Checking the project-specific control functions, including any special functions such as potential-free switch contacts
- Functional test of the communication to the MCE/BACS in cooperation with the appointed MCR technology company:
- Checking that the on-site settings comply with the specifications in the installation and configuration instructions
- Input test of the data points sent on site
- Output test of the output data points
- Trial operation of the operating states that can be switched by the MCE/BACS
- Documentation of the device settings and service work in a service report. The service report must be signed by your company as the client or by an authorised representative of your company
- Invoicing is based on a flat rate, derived from the number of devices and distance
Instruction in operation and maintenance
- One-time instruction for the operation of the decentralised ventilation units consisting of:
- Description of the device functions on the device, already in operation
- Description of the room control panel and the room conditions that can be influenced by it
- Description of the maintenance work
- Invoicing on a flat-rate basis, carried out by the responsible sales representative
