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Foreword and introduction 

 

Notes on the user manual 

 

 

This translation of the original user manual contains basic instructions that must be followed during the installation and 
operation of the ComfoAir 70 ventilation unit. 

 

Read the instructions in full before installing and commissioning the ventilation unit. This will help you avoid hazards 
and errors. 

 

Provide the manual to the operator after the final assembly. 

 

The user manual forms a part of the product. Keep the manual for future reference. 

 

WARNING

 

Be sure to observe all safety notes, warnings and information on precautionary measures. 
Read chapter “2 Introduction and safety” carefully.

 

 Validity 

This document applies to: 

  Unit type ComfoAir 70 series 

The unit type series are hereinafter designated with the common product name, ComfoAir 70.  
The subject of this user manual is the ComfoAir 70 in series production. Accessories are only described to the extent 
necessary for appropriate operation of the unit. Please refer to the respective instructions for further information on 
accessory parts.

 

 Target 

groups 

This manual is for users and qualified personnel. The activities are only allowed to be carried out by appropriately trained 
personnel who are sufficiently qualified for the respective work involved. 

 Qualification 

of target group 

1.3.1.1 Users 

Users must be instructed by qualified personnel as follows: 

 

Instruction in hazards when handling electrical devices. 

 

Instructions on the operation of the ComfoAir 70. 

 

Instruction in the maintenance of the ComfoAir 70. 

 

Knowledge of and compliance with this manual, including all safety instructions. 

1.3.1.2 Qualified personnel 

Qualified personnel must have the following qualifications: 

 

Training in dealing with hazards and risks when installing and operating electrical devices 

 

Training for the installation and commissioning of electrical devices 

 

Knowledge of and compliance with the locally applicable building, safety and installation regulations of the relevant 
local authorities or municipalities, the regulations of the water and electric utilities, and other official regulations and 
guidelines 

 

Knowledge of and compliance with this document, including all safety instructions.  

 

WARNING

 

Unless otherwise specified in this user manual, only a qualified person is authorised to install and commission the 
ventilation unit and to carry out servicing. 

 Conformity 

The ComfoAir 70 series ventilation units from the manufacturer 

PAUL Wärmerückgewinnung GmbH 
August-Horch-Straße 7 
08141 Reinsdorf 
Germany 
Chemnitz commercial register 21371 

comply with the directives and standards of the EU and EAC Declaration of Conformity. 
 

Содержание ComfoAir 70

Страница 1: ...Decorative Radiators Comfortable indoor ventilation Heating and cooling ceiling systems Clean air solutions User manual on operation and installation for operators and installers Zehnder ComfoAir 70...

Страница 2: ...the property of Zehnder Group Publication as a whole or in parts requires the written approval of Zehnder Group In house duplication designated for the evaluation of the product or for proper use is p...

Страница 3: ...ng functions and signals 7 Options for ventilation operation 10 External control panel 10 Operation via networking 10 Automatic operation via sensor module 10 Maintenance by the user 11 Filter mainten...

Страница 4: ...ciently qualified for the respective work involved Qualification of target group 1 3 1 1 Users Users must be instructed by qualified personnel as follows Instruction in hazards when handling electrica...

Страница 5: ...supply unless instructions to the contrary are listed in the manual Following installation all parts that could lead to personal injury are protected by the housing The unit cannot be opened without...

Страница 6: ...acade finish Intended use also includes observing all instructions in the user manual In the event of improper use the Zehnder Group accepts no liability for any damage that may occur and no warranty...

Страница 7: ...esigned for permanent operation and is only to be taken out of operation for maintenance and repair work With the appropriate optional sensor technology in the unit fully automatic demand controlled v...

Страница 8: ...e Operating and display elements of the control panel The control panel has touch sensitive buttons and LED status indicators NOTE The ventilation unit can be operated at the same time with the intern...

Страница 9: ...unit runs at the lowest ventilation level 15 m h This fan speed can be selected when away and for the purpose of moisture protection NOTE A cyclically limited reduced ventilation can be set with the A...

Страница 10: ...rarily activated fan speed 4 can only be activated with a configured DIP switch setting After the boost ventilation time has elapsed the unit will be transferred to the most recently selected fan spee...

Страница 11: ...ing of most recently active fan speed when supply air fan is switched off Display of LED1 3 as example Frost protection mode From an outside air temperature of 4 C the frost protection function is aut...

Страница 12: ...l unit are possible Automatic operation via sensor module The application of the Automatic function follows the logic of a demand controlled system for optimizing the indoor air quality Consequently a...

Страница 13: ...separately if needed in accordance with the humidity or air quality control The HUMIDITY sensor technology is primarily supposed to be installed in units for the ventilation of rooms with an increase...

Страница 14: ...with the relevant filter maintenance LED signal 1 Put the unit into the Standby operating mode 2 Remove the upper design cover by pulling it out of the guides in an upwards direction 3 Use your finge...

Страница 15: ...of the ventilation unit and the operating surface of the control panel which should be wiped down from time to time using a soft damp cloth never just wipe dry WARNING Risk due to electric shock Disco...

Страница 16: ...mediately Included in the scope of delivery are ComfoAir 70 including installation kit Facade finish including installation set Mounting template as imprint on the inside of the lid of the box User ma...

Страница 17: ...r supply a mains cable recommended type NYM J 3x1 5 for stationary units with disconnection with a contact opening width corresponding to the conditions of overvoltage category III for full disconnect...

Страница 18: ...g piece must protrude so far out of the wall so that the connector with the attached sealing tape is inserted in the EPP housing section 4 2 3 2 Side connection of the ventilation tube If the ventilat...

Страница 19: ...wer supply before carrying out installation and maintenance work Proceed as follows for the installation of the unit NOTE Remove the transport lock attached to protect the lid mechanism Follow the ins...

Страница 20: ...the wall bracket 6 Screw the wall bracket to the inner wall and take care to ensure that the mains supply line and if present the cable for the external control panel are located in the area of the ca...

Страница 21: ...sertion of the ventilation unit it is recommended to wet the wall mounting pipe using silicone spray 10 Pivot the lower design cover against the EPP housing In the process press the lower design cover...

Страница 22: ...the mains supply line and the power supply unit s primary side power cable into the connection socket DANGER Danger due to electric shock The wires for the mains supply line and the wires for the prim...

Страница 23: ...the complete EPP housing of the ventilation unit into the wall mounting tube up to a distance of approx 15 cm from the wall bracket so that the control board is still freely accessible 6 Connect the...

Страница 24: ...the exterior wall panel as a facade finish WARNING Danger due to falling exterior wall panel The exterior wall panel is to be fixed using the supplied mounting accessories or with mounting material s...

Страница 25: ...ar contour of the airflow openings on the bottom cover NOTE To protect against water ingress apply a thick bead of suitable sealant e g weather resistant acrylic to the bottom cover depending on the s...

Страница 26: ...d out at two yearly maintenance intervals NOTE Instructions for proper disinfection can be found at www core life In doing so proceed as follows 1 Disconnect the ComfoAir 70 from the supply voltage 2...

Страница 27: ...esidual water can drain out of the openings 7 Following the inspection install all parts in the reverse order NOTE If necessary dismantled ventilation tubes must be reconnected in an air tight manner...

Страница 28: ...ess min 275 mm to max 600 mm to 900 mm with extension set Mounting position In wall casing with supply and exhaust air openings at the top Operation data Fan speed Volume flow m h Thermal efficiency H...

Страница 29: ...27 Dimensions with optional radio module 440 442 145 795 50 SUPPLY AIR EXTRACT AIR OUTDOOR AIR EXHAUST AIR 380 660 EXTRACT AIR SUPPLY AIR 376 Optional air tube connections on the back...

Страница 30: ...28 Terminal scheme...

Страница 31: ...ehnder Group Deutschland GmbH Almweg 34 77933 Lahr Deutschland T 49 7821 586 392 F 49 7821 586 406 sales international zehndergroup com www international zehnder systems com PDE Manual_CA70_V1 9_V0621...

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