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Susurr
TM
Instruction Manual
Mechanical Ventilation with Heat Recovery

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Table of Contents
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Summary of Contents for Airflow Susurro 400

  • Page 1 Susurr Instruction Manual Mechanical Ventilation with Heat Recovery...
  • Page 2: Before Starting

    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.
  • Page 3: Unpacking The Unit

    All the packing material is environmentally friendly and can be reused or recycled. Please, contribute actively to the protection of the environment and procure the regular disposal or recycling of packing materials. © Airflow - All rights reserved...
  • Page 4 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...
  • Page 5: Spare Parts

    Bypass actuator 60000410 60000410 60000410 Motor (outdoor 60000408 60000408 60000409 air) Pressure sensor 60000411 60000411 60000411 Pre-heater 60000412 60000413 60000414 The part numbers of the spare filters can be found in “Maintenance”, replacing filters © Airflow - All rights reserved...
  • Page 6 Condesate exhaust / Kondensatausscheidung Afterheater / Nachheizeinrichtung / DX / CO By-pass ap / By-pass Klappe Preheater / Vorwärmer The values in the table are in millimeters (mm) Susurro 400 1806 1408 1835 Susurro 700 2076 1098 1648 1006 2105...
  • Page 7 PŘIPOJENÍ PRO VODU - 1/2" 2141 The values in the table are in millimeters (mm) Susurro 400 1870 1408 1835 Susurro 700 2141 1116 1648 1039 2105 Susurro 1000 2470 1281 1920 1235 2435 © Airflow - All rights reserved...
  • Page 8: Technical Parameters

    Susurro 400 1 / 230 / 2.7 / 340 1 / 230 / 9.22 / 1840 1 / 230 / 9.22 / 1840 1 / 230 / 2.7 / 340 1 / 230 / 15.74 / 3340 1 / 230 / 9.22/ 1840 Susurro 700 1 / 230 / 2.7/ 340 1 / 230 / 11.4 / 2340 1 / 230 / 12.48 / 2590 1 / 230 / 2.7 / 340 3 / 400 / 9.78 / 4590 1 / 230 / 11.4 / 2340...
  • Page 9 Access relates mainly to opening the revision lid. 200 mm 200 mm © Airflow - All rights reserved - The unit is fixed using suspension holders located on both - Das Gerät wird mit Anhängehaltern an beiden Seiten des sidewalls of the unit.
  • Page 10 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...
  • Page 11 The design version may require to remove the side covers. You will need a no. 3 Allen wrench. Move the cover upwards to remove it. It is secured by auxiliary brackets (see following picture). © Airflow - All rights reserved...
  • Page 12 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 •...
  • Page 13 Terminals for the power supply (L) and the output of the auxiliary power supply (12V, 24V) Terminals to connect N and PE cables Auxiliary power supply (12V, 24V) Engine fuse Main power switch Safety Contactor (units with electric heater) © Airflow - All rights reserved...
  • Page 14: Connecting The Condensate Drain

    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.
  • Page 15: Electric Installation And Wiring

    • ph = Phase • av = Air output • I = Total current • P = Output Serial number • m = weight • IP = IP cover • ver = designation for producer © Airflow - All rights reserved...
  • Page 16 UNIT DX MIX POINT vanne MAIN ELECTRIC SUPPLY alimentation générale 74 73 72 71 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 70 69 J1/J2 3 62 61 60 59 58 57 56 55 54 53 52 51 PRESENCE ALARM COOL/HEAT...
  • Page 17: Initial Commissioning

    Values of the connected air quality sensor Activate boost mode • Ventilation rate settings Required temperature settings Detailed information on ventilation status Unit’s settings (Service menu) Back Information on Password lock Unit's time switch the type of unit © Airflow - All rights reserved...
  • Page 18: Unit Settings

    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...
  • Page 19: Service Menu

    MANUAL: The unit ventilates according to the selected rate DCV: The unit ventilates according to the requirements of the air quality sensor, e.g.: CO , RH (0-10V control signal) © Airflow - All rights reserved...
  • Page 20 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...
  • Page 21 You can choose quality sensor the output temperature sensor to control the unit. Supply duct: Temperature sensor at the fresh air intake Extract duct: Temperature sensor at the exhaust air Room: Room temperature sensor (optional) © Airflow - All rights reserved...
  • Page 22 Susurr MENU 10 - SUPPLY DUCT LIMITS MENU 12 - FLOW OFFSET 10 - Supply Duct Limits 08 - AQS Sensor 09 - Temperature sensor 11 - Bypass Temperature 10 - Supply Duct Limits 12 - Flow Offset 11 - Bypass Temperature 13 - Fire Flow 12 - Flow Offset 14 - Occupancy...
  • Page 23 Boost can be activated with the button connected to the input 13/14, or with the Boost button (Fig. Boost) on the Set control features. If the control is unsteady or variable, this main screen configuration can be done only after consulting the manufacturer. © Airflow - All rights reserved...
  • Page 24 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...
  • Page 25: Maintenance

    It is forbidden to operate the unit without filters. It may damage the unit. MENU 50 - FACTORY RESET 21 - Network 23 - User lock 50 - Factory reset 01 - Mode 15 - Modbus RTU © Airflow - All rights reserved...
  • Page 26: Error Messages

    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...
  • Page 27: Troubleshooting

    Check the flow of the pipes and whether the position of the unit allows runoff. The unit ventilates insufficiently or Unit is working Clogged filter or ductwork. Check the filters and whether the ductwork is not clogged is noisy © Airflow - All rights reserved...
  • Page 28 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.
  • Page 29 That manual includes examples of possible problems and recommended solutions. In case of any requests or inquiries, contact our sales or technical department. © Airflow - All rights reserved...
  • Page 30 80000749 - Issue 3 02/18 Airflow Developments Limited E-mail: info@airflow.com © Airflow Developments Limited. Airflow Aidelle House, Lancaster Road, Telephone: +44 (0) 1494 525252 Developments Limited reserve the right, in the interests of continuous development, to alter Cressex Business Park, specifications without prior notice.

This manual is also suitable for:

Susurro 700Susurro 1000

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