1. BEFORE STARTING BEFORE STARTING The following symbols in the manual serve for better guidance. The following table describes the symbols and their meaning. Symbol Meaning Warning or Caution ATTENTION! PLEASE NOTE! Important instructions YOU WILL NEED Practical tips and information TECHNICAL INFORMATION Detailed technical information Reference to a different part of the...
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3. MAIN PART Outlet grill with Straw system Main power switch Outside fresh air duct with spring loaded damper usscheidung Outside exhaust air duct with DX / CO spring loaded damper Operational diagram Funktionsschema Inlet grill with Straw system Condensate drain Fan / Ventilator Heat exchanger /...
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A [mm] B [mm] C [mm] D [mm] E [mm] F [mm] G [mm] H [mm] I [mm] J [mm] K [mm] L [mm] Susurro 400 1806 1408 1835 Susurro 700 2078 1098 1649 2105 1006 Susurro 1000 2406 1262...
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B) Preparing the attachment to the ceiling 2) Drill the holes 1) Measure carefully the position of the holes for the threaded rods (not included) 3) Install threaded rods of the appropriate length Susurro 400 110 mm Susurro 700 168 mm Susurro 1000...
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6. INSTALLATION Hang the unit from the rods and secure the holes in the Install protection grilles on the outside of the wall to pre- • • wall appropriately. vent the ingress of water and bigger objects. (not included) Control the fixing •...
6. INSTALLATION CONNECTING THE CONDENSATE DRAIN Sink (SK-AKS3) (non included) PLEASE NOTE! The sink must be well connected to the unit • and sealed. We recommend to submerge the sink in water check its in- • tegrity. ATTENTION! If the sink is not well connected, the unit may be flooded and dam- aged.
UNIT SETTINGS Weekly mode Display settings Language settings Date and time Ventilation rate settings Required temperature settings Touch a day to set ventilation modes Unit's service settings Back Ventilation rate settings Display required air flow Reduce or increase the Display current unit's air flow air flow Touch to set ventilation time modes...
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MENU 12 - FLOW OFFSET MENU 14 - OCCUPANCY The FIRE FLOW and OCCUPANCY modes can not be used simultaneously 10 - Supply Duct Limits 11 - Bypass Temperature 12 - Flow Offset 13 - Fire Flow 14 - Occupancy 12 - Flow Offset 13 - Fire Flow 14 - Occupancy...
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MENU 23 - USER LOCK 20 - Modbus RTU 21 - Network 23 - User lock 50 - Factory reset 01 - Mode The MODBUS menu is used to set the Modbus communication. MENU 21 - NETWORK 18 - HW test 20 - Modbus RTU 21 - Network 23 - User lock...
8. MAINTENANCE Clean the unit with a vacuum cleaner, a small brush, cloth and soapy water, especially the exchanger. Do not use the follow- ing product to clean the unit: Sharp objects, corrosive chemi- cals, solvents, abrasive cleaners, pressurized water, pressur- ized air or steam.
9. TROUBLESHOOTING The unit error is indicated with a red exclamation mark in the middle of the control display. Pressing the exclamation mark shows the information on the error, see table below. Reports on the display Unit's behavior Likely problem SOLUTION Check that the air is flowing freely through the unit, that the 1 –...
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Disassembling the engine Release the bracket from the set – square bit no. 2 Release the engine from the bracket – Allen bit no. 4 Printed circuit Open boards with a flat screwdriver Removing the boards from the plastic frame – pliers for precision mechanics Releasing the printed circuit –...
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