Susurr 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! Important instructions PLEASE NOTE! YOU WILL NEED Practical tips and information TECHNICAL INFORMATION Detailed technical information Reference to a different part of the manual Before installing the unit, read carefully the section on the safe operation of the heat recovery unit.
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Susurr diagram hema MAIN PART Exhaust grid with Straw system Main power switch Connection for air intake with spring-loaded flap Connection for exhaust air with spring-loaded flap rmetauscher Suction grid with Straw system ulation Kondensatausscheidung izeinrichtung / DX / CO Condensate drain Operational diagram s Klappe...
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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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Susurr INSTALLATION Hang the unit from the rods and secure the holes in the wall Install protection grilles on the outside of the wall to prevent the • • ingress of water and bigger objects. (not included) appropriately. Control the fixing •...
Susurr 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 • integrity. ATTENTION! If the sink is not well connected, the unit may be flooded and damaged.
Susurr Weekly mode UNIT SETTINGS Language settings Display settings Date and time Ventilation rate settings Required Unit's time temperature switch settings Unit's service settings Back Touch a day to set ventilation modes Ventilation rate settings Display required air flow Reduce or increase the Display unit's air flow...
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Susurr MENU 07-EXCHANGERS MENU 02 - HW SETTING 50 - Factory reset 06 - Filter timer 08 - AQS Sensor You can choose the contact to switch the PIR sensor or the FIRE contact Digital input (15-16) You can choose fire input the logic of the RUN contact...
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Susurr MENU 18 - HW TEST 16 - Freecooling 17 - PID parameters 18 - HW test 20 - Modbus RTU 21 - Network The MODBUS menu is used to set the Modbus communication. MENU 21 - NETWORK 18 - HW test 20 - Modbus RTU 21 - Network 23 - User lock...
1) Remove 12 screws on the lower side CAUTION: The lid is only held by the hinges. After removing the screws keep on holding the door to prevent its opening. Number Description Susurro 400 Susurro 700 Susurro 1000 G4 filter...
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Susurr TROUBLE SHOOTING REPAIRING OVERHEATED ELECTRIC PREHEATING AND REHEATING CAUTION! The service of internal components must be done only by a professional. Always disconnect the unit before servicing. Firstly, remove the cause of the overheated electric preheating and reheating. • The thermostat can be returned to the ON state pressing a button.