flakt woods STRA-04 Installation & Maintenance Manual Download Page 2 | Manualshive

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STRA-04 Room controller. Installation and maintenance manual.

Fläkt Woods

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Specifications are subject of alteration without further notice.

STRA-04 for Optivent

Installation instructions

Follow local safety regulations when installing the product. For information on putting the product into operation, see

the manual "STRA Manual", which can be downloaded from www.flaktwoods.com.

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Dimensions

Dimensions given in mm

8790 GB 2016.03

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Summary of Contents for STRA-04

Page 1: ...ations are subject of alteration without further notice Contents STRA 04 for Optivent Installation instructions 2 Controller 3 Display handling 3 Technical data 4 Configuration 4 Operating modes 6 Control 7 Condensation detector Window contact Frost protection 8 Parameter settings 9 Function key 11 ...

Page 2: ...thout further notice STRA 04 for Optivent Installation instructions Follow local safety regulations when installing the product For information on putting the product into operation see the manual STRA Manual which can be downloaded from www flaktwoods com 1 2 3 or 4 5 Dimensions Dimensions given in mm 8790 GB 2016 03 ...

Page 3: ... press down to the minimum limit FS 3 Switching between heating and cooling setpoints is done automatically in the controller depending on the heating and cooling requirement Function button If the Function button is pressed briefly less than 5 seconds when the controller STRA 04 is in the Preset operating mode Parameter 45 FS 3 Occupied the controller switches to the Bypass operating mode If the ...

Page 4: ...al room sensor PT1000 sensor 0 50 C A suitable sensor is Fläkt Woods STRZ 05 Occupancy detector Closing potential free contact A suitable occupancy detector is Fläkt Woods STRZ 09 CO 2 sensor STRZ 18 1 1 CO 2 sensor 0 10V Outputs Forced ventilation 24 V AC actuator max 0 5 A Valve actuator thermal actuator or Optivent 2 outputs Valve actuator 0 10 V DC max 5 mA Thermal actuator 24 V AC max 2 0 A C...

Page 5: ...cted to terminals 10 and 11 Make sure that the reference pole G0 is connected to the correct terminal on the actuator alternatively For 24 V AC thermal actuator max 2 0 A The thermal actuator is connected between terminals 24 and 20 GDO 30 Al1 For external room sensor PT1000 Measuring range 0 50 C Connect sensor between terminal 30 and 41 AGnd 31 AI2 For 0 10V CO 2 sensor input signal 32 DI1 Occup...

Page 6: ... For further information see Occupancy Control section Occupied The Occupied operating mode means that the room is in use and is adjusted according to Comfort mode The controller adjusts the room temperature around a heating setpoint and a cooling setpoint Parameters 1 and 2 FS heating setpoint 22 C cooling setpoint 24 C The setpoint values can also be locally adjusted 3 C via the display on the u...

Page 7: ... the function illustrated in the picture above where the activated occupancy detector shifts to the Occupied operating mode When the occupancy sensor is deactivated the controller returns to the Unoccupied operating mode to save energy Control STRA 04 can be configured for different control states control sequences Parameter 11 FS 4 Heating Cooling with VAV control and forced supply air function H...

Page 8: ...ions can vary dramatically and incorrectly set parameters can impair the controller s and application s function For this reason make sure you set the parameters that are critical to your particular application If in doubt contact Fläkt Woods TSS Controls Parameter menu In STRA 04 various parameter values can be set in a parameter menu This parameter menu is accessed by simultaneously pressing the...

Page 9: ...igital 2 Forced Vent 3 Step Analog 3 None 4 Ordinary Analog output 5 None 6 Control of EC fan 1 24 UO3 output in manual mode N A 0 28 Actuator type for UO3 0 0 10v 1 2 10v 2 10 2v 3 10 0v 1 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 Actuator Time N A Seconds 60 32 Cooling Therm...

Page 10: ...Cooling 0 Not Available 1 Available 0 76 Forced Ventilation control mode 0 No Action 1 Forced on Heat Cool output at 100 2 Forced on Cool output at 100 2 77 P I R Activated Operation Mode 3 Occupied 4 Bypass 3 78 The Controller PLA Address Used in EXOline Set by Production 79 The Controller ELA Address Used in EXOline Set by Production 80 Cool output 0 For N C actuator 1 For N O actuator 0 81 AI2 ...

Page 11: ...100 cooling N A 305 Max air level at 100 CO2 N A 306 Air level at Off Unoccupied Standby N A N A 307 Air level at Occupied mode N A N A 308 Air level Boost mode Button only N A N A 309 Free Cooling 0 Not Available 1 Available See 75 322 Type of STRA 0 STRA 04 1 STRA 14 Set by production 323 The floor the STRA is placed at 9999 Not Used in IPSUM 0 324 The room the STRA is placed 9999 Not Used in IP...

Page 12: ...he function key toggles between forced supply air and normal operation Forced supply air is indicated by this symbol 2 A long pressure over 5 seconds on the function key shuts the controller off i e it goes into sleep mode The background lighting on the screen is shut down 3 A new brief pressure re starts the controller and it goes initially to forced supply air 8790 GB 2016 03 ...

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