Safety instructions which must be followed. maintenance of the ComfoAir 160, 200, 350 and Operating devices available for the unit. ComfoAir Standard 300, 375. In this document it The meaning of the information displayed will be referred to as “the unit”.
Table of Contents Foreword ..................................2 Introduction and safety ..............................4 Operation ..................................6 2.1 Available operating devices ............................ 6 2.2 Reading the display on the unit ..........................7 2.3 Reading and setting the comfort temperature ......................8 2.4 Switching the supply fan on and off ........................9 2.5 Setting a overrun timer for the RFZ..........................
1 Introduction and safety A balanced ventilation system consists of: The unit (A); The unit is a balanced ventilation system with heat Duct system for the supply of outdoor air (B); recovery in order to create energy-efficient ventilation Duct system for the exhaust of indoor air (C); in houses.
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Safety instructions Use of the unit Always follow the safety regulations, ■ The unit may only be used once it has warnings, comments and instructions been properly installed according to given in this document. Personal the instructions and guidelines given injury or damage to the unit can arise in the installer manual of the unit;...
2 Operation How to use and read the operating devices of the unit is mentioned in the document of the operating device. How to use and read the display on the unit is mentioned in this document. 2.1 Available operating devices One or more of the following operating devices can be present to operate the unit: Appearance Name...
2.2 Reading the display on the unit Appearance Description What to do All lights are off. Turn on the power of the unit. The power of the unit is turned off. One number is displayed in the middle of the display. No action required.
Appearance Description What to do Three numbers with a point after the second number are No action required. displayed in the display. The current setting of the comfort temperature is displayed. The light above the icon with one arrow is lit. Do not forget to turn on the The supply fan is turned off.
2.4 Switching the supply fan on and off 2.5 Setting a overrun timer for the RFZ When required, the supply fan of the unit can be The ventilation setting can be increased for a set turned off manually. This may be desired to keep time using one button on the RFZ.
2.6 Setting an overrun timer for the SA 1-3V, 2.7 Setting an overrun timer for the second SA 0-3V or SAI Flash SA 1-3V, SA 0-3V or SAI Flash (bathroom The ventilation setting can be increased for a set switch) time.
2.8 Setting a delay timer for the second SA 2.9 Setting the delay timer for the filter alert How fast the filters of the unit needs cleaning 1-3V, SA 0-3V or SAI Flash (bathroom or replacing depends on the air quality of the switch) environment.
2.10 P menus for the user A summary of all the accessible P-menus is given Menu P9 > Status of additional programmes below. Status Menu P1 > Status of time programmes Submenu Description Activated Status Open fire programme active? Yes (1) / No (0) Submenu Description Activated...
3 CE certification and warranty Liability Warranty conditions The unit has been designed and manufactured for The unit is covered by a manufacturer’s warranty for use in balanced ventilation systems incorporating a period of 24 months after fitting up to a maximum Zehnder heat recovery systems.
4 Maintenance 4.1 Cleaning or replacing the filters Replace the filters (at least) every six Failure to carry out (periodic) maintenance on the unit ultimately compromises the performance months and clean the filters every 2 of the ventilation system. or 3 months. The unit should be inspected and cleaned every 2 When indicated on the display you must clean or years by a specialist.
4 seconds until the filter warning disappears. 4 seconds Disconnect the power from the unit. Remove the handles (A) from the unit. ComfoAir 160 ComfoAir 200 ComfoAir Standard 300 ComfoAir 350 ComfoAir Standard 375 Remove the dirty filters (B) from the unit.
4.1.2 Cleaning the internal filters 4.4 Maintenance by the installer or Vacuum the filters (B) with a vacuum cleaner instead maintenance mechanic of replacing them with new filters. Not all neccesary maintenance can be done by the user. When using the unit for the first time, it is recommended to clean the filters (and valves) first.
Installation/test report Date Address Work instruction Town/city Commissioning Project type party Residence Installed by type Gemeten door Unit type Return Room Position Required Tested [m3/h] Type valve Settings valve Settings unit Kitchen Bathroom Toilet … … … Total: Supply Room Position Required Tested [m3/h]...
Maintenance log 2 or 3 months after installation: Activity Clean the filters 6 months after installation: Activity Replace the filters Clean the valves 9 months after installation: Activity Clean the filters 12 months after installation: Activity Replace the filters Clean the valves Inspect and clean the condensation drain Inspect and clean the air ducts Inspect and clean the casing of the unit...
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2 or 3 months after installation: Activity Clean the filters 6 months after installation: Activity Replace the filters Clean the valves 9 months after installation: Activity Clean the filters 12 months after installation: Activity Replace the filters Clean the valves Inspect and clean the condensation drain Inspect and clean the air ducts Inspect and clean the casing of the unit...
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Zehnder Group Sales International Almweg 34 • 77933 Lahr • Germany T +49 78 21 586-392 • F +49 78 21 586-406 sales.international@zehndergroup.com • www.international.zehnder-systems.com...
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