FlaktWoods STRA-14 Installation And Maintenance Manual Download

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STRA-14 Room controller. Installation and maintenance manual.

Fläkt Woods

8710 GB 2016.09.08

2 (12)

Specifications are subject of alteration without further notice.

Installation instructions

Ensure that the installation complies with local safety regulations. Information about commissioning of the product can

be found in the manual ”STRA Manual”, which is available for download from www.flaktwoods.com.

Summary of Contents for STRA-14

Page 1: ...or no parity Communication speed 9600 bps not changeable Built in temperature sensor NTC type measuring range 0 50 C accuracy 0 5 C at 15 30 C Material casing Polycarbonate PC Weight 110 g This produ...

Page 2: ...ecifications are subject of alteration without further notice Installation instructions Ensure that the installation complies with local safety regulations Information about commissioning of the produ...

Page 3: ...cooling setpoints is done automatically in the controller depending on the heating and cooling requirement Display handling The display has the following indications Function button By pressing the Fu...

Page 4: ...lve actuator max 5 mA The valve actuator s 0 10 V control signal terminal is connected to terminal 23 and its supply terminals to terminals 10 and 11 Make sure that the reference pole G0 is connected...

Page 5: ...e is 22 C and the cooling setpoint value is 24 C the controller will allow the temperature in the room to be between 19 C and 27 C Local adjustment of setpoint value via the display on STRA 14 The bac...

Page 6: ...ed operating mode to attain energy efficiency Control states The controllers can be configured for different control states control sequences Parameter 11 FI 4 Heating Cooling with VAV control with fo...

Page 7: ...s air cooling and 51 100 is water cooling This is adjusted by changing the parameter 309 309 0 Free cooling off Water cooling 0 50 and 51 100 air cooling 309 1 Free cooling on Air cooling 0 50 and 51...

Page 8: ...prevents the temperature from dropping below 8 C Return to normal fan speed and control occurs automatically when the room temperature exceeds 8 C Control the light with an occupancy sensor It s possi...

Page 9: ...ng 1 2 3 4 5 6 STELLA 0 23 40 59 75 100 WEGA Standard 0 21 38 56 73 100 WEGA Power 0 23 23 23 23 100 NOVA 0 21 38 56 73 100 Nozzle selection for air flow in Energy Saving Mode and Boost Mode is adjust...

Page 10: ...10v 1 2 10v 2 10 2v 3 10 0v 0 29 Heating Modulating Actuator Control 0 0 10v 1 2 10v 2 10 2v 3 10 0v 0 30 Cooling Modulating Actuator Control 0 0 10v 1 2 10v 2 10 2v 3 10 0v 0 31 Heating Thermal Actu...

Page 11: ...or 1 For N O actuator 0 74 HMI Displacement View 0 The offset 1 The active setpoint offset 2 The heating setpoint offset 3 The cooling setpoint offset 4 Occupied Heating Setpoint Offset 5 Occupied Coo...

Page 12: ...28 Branch Version 129 Revision 300 Voltage x 10 for nozzle 2 21 301 Voltage x 10 for nozzle 3 38 302 Voltage x 10 for nozzle 4 56 303 Voltage x 10 for nozzle 5 73 304 Max air level at 100 cooling 5 30...